265 files changed, 3372 insertions, 11751 deletions

diff --git a/Documentation/powerpc/booting-without-of.txt b/Documentation/powerpc/booting-without-of.txt
index ee551c6ea235..217e51768b87 100644
--- a/Documentation/powerpc/booting-without-of.txt
+++ b/Documentation/powerpc/booting-without-of.txt
@@ -719,6 +719,11 @@ address which can extend beyond that limit.
     - model : this is your board name/model
     - #address-cells : address representation for "root" devices
     - #size-cells: the size representation for "root" devices
+    - device_type : This property shouldn't be necessary. However, if
+      you decide to create a device_type for your root node, make sure it
+      is _not_ "chrp" unless your platform is a pSeries or PAPR compliant
+      one for 64-bit, or a CHRP-type machine for 32-bit as this will
+      matched by the kernel this way.
 
   Additionally, some recommended properties are:
 
diff --git a/arch/powerpc/Kconfig b/arch/powerpc/Kconfig
index a433b7126d33..2cdc35ce8045 100644
--- a/arch/powerpc/Kconfig
+++ b/arch/powerpc/Kconfig
@@ -491,7 +491,7 @@ config PPC601_SYNC_FIX
           If in doubt, say Y here.
 
 config TAU
-        bool "Thermal Management Support"
+        bool "On-chip CPU temperature sensor support"
         depends on 6xx
         help
           G3 and G4 processors have an on-chip temperature sensor called the
@@ -500,7 +500,7 @@ config TAU
           on-die temperature in /proc/cpuinfo if the cpu supports it.
 
           Unfortunately, on some chip revisions, this sensor is very inaccurate
-          and in some cases, does not work at all, so don't assume the cpu
+          and in many cases, does not work at all, so don't assume the cpu
           temp is actually what /proc/cpuinfo says it is.
 
 config TAU_INT
diff --git a/arch/powerpc/Kconfig.debug b/arch/powerpc/Kconfig.debug
index 9254806f7032..8d48e9e7162a 100644
--- a/arch/powerpc/Kconfig.debug
+++ b/arch/powerpc/Kconfig.debug
@@ -110,11 +110,6 @@ config SERIAL_TEXT_DEBUG
         depends on 4xx || LOPEC || MV64X60 || PPLUS || PRPMC800 || \
                 PPC_GEN550 || PPC_MPC52xx
 
-config PPC_OCP
-        bool
-        depends on IBM_OCP || XILINX_OCP
-        default y
-
 choice
         prompt "Early debugging (dangerous)"
         bool
diff --git a/arch/powerpc/Makefile b/arch/powerpc/Makefile
index 829e017b8a54..6ec84d37a337 100644
--- a/arch/powerpc/Makefile
+++ b/arch/powerpc/Makefile
@@ -129,13 +129,8 @@ core-y				+= arch/powerpc/kernel/ \
                                    arch/powerpc/lib/ \
                                    arch/powerpc/sysdev/ \
                                    arch/powerpc/platforms/
-core-$(CONFIG_PPC32)            += arch/ppc/kernel/
-core-$(CONFIG_MATH_EMULATION)   += arch/ppc/math-emu/
+core-$(CONFIG_MATH_EMULATION)   += arch/powerpc/math-emu/
 core-$(CONFIG_XMON)             += arch/powerpc/xmon/
-core-$(CONFIG_APUS)             += arch/ppc/amiga/
-drivers-$(CONFIG_8xx)           += arch/ppc/8xx_io/
-drivers-$(CONFIG_4xx)           += arch/ppc/4xx_io/
-drivers-$(CONFIG_CPM2)          += arch/ppc/8260_io/
 
 drivers-$(CONFIG_OPROFILE)      += arch/powerpc/oprofile/
 
diff --git a/arch/powerpc/configs/cell_defconfig b/arch/powerpc/configs/cell_defconfig
index 3c2acab63736..fe22e54ab2b0 100644
--- a/arch/powerpc/configs/cell_defconfig
+++ b/arch/powerpc/configs/cell_defconfig
@@ -1,7 +1,7 @@
 #
 # Automatically generated make config: don't edit
-# Linux kernel version: 2.6.16-rc6
-# Wed Mar 15 16:19:48 2006
+# Linux kernel version: 2.6.16
+# Thu Mar 23 20:48:09 2006
 #
 CONFIG_PPC64=y
 CONFIG_64BIT=y
@@ -30,6 +30,7 @@ CONFIG_POWER4=y
 CONFIG_PPC_FPU=y
 CONFIG_ALTIVEC=y
 CONFIG_PPC_STD_MMU=y
+CONFIG_VIRT_CPU_ACCOUNTING=y
 CONFIG_SMP=y
 CONFIG_NR_CPUS=4
 
@@ -51,7 +52,8 @@ CONFIG_SYSVIPC=y
 # CONFIG_BSD_PROCESS_ACCT is not set
 CONFIG_SYSCTL=y
 # CONFIG_AUDIT is not set
-# CONFIG_IKCONFIG is not set
+CONFIG_IKCONFIG=y
+CONFIG_IKCONFIG_PROC=y
 # CONFIG_CPUSETS is not set
 CONFIG_INITRAMFS_SOURCE=""
 CONFIG_CC_OPTIMIZE_FOR_SIZE=y
@@ -85,7 +87,7 @@ CONFIG_MODULE_UNLOAD=y
 CONFIG_OBSOLETE_MODPARM=y
 # CONFIG_MODVERSIONS is not set
 # CONFIG_MODULE_SRCVERSION_ALL is not set
-# CONFIG_KMOD is not set
+CONFIG_KMOD=y
 CONFIG_STOP_MACHINE=y
 
 #
@@ -130,7 +132,8 @@ CONFIG_CELL_IIC=y
 #
 # Cell Broadband Engine options
 #
-CONFIG_SPU_FS=y
+CONFIG_SPU_FS=m
+CONFIG_SPUFS_MMAP=y
 
 #
 # Kernel options
@@ -144,7 +147,7 @@ CONFIG_PREEMPT_NONE=y
 # CONFIG_PREEMPT is not set
 CONFIG_PREEMPT_BKL=y
 CONFIG_BINFMT_ELF=y
-# CONFIG_BINFMT_MISC is not set
+CONFIG_BINFMT_MISC=m
 CONFIG_FORCE_MAX_ZONEORDER=13
 # CONFIG_IOMMU_VMERGE is not set
 CONFIG_KEXEC=y
@@ -155,13 +158,16 @@ CONFIG_ARCH_SELECT_MEMORY_MODEL=y
 CONFIG_ARCH_FLATMEM_ENABLE=y
 CONFIG_ARCH_SPARSEMEM_ENABLE=y
 CONFIG_SELECT_MEMORY_MODEL=y
-CONFIG_FLATMEM_MANUAL=y
+# CONFIG_FLATMEM_MANUAL is not set
 # CONFIG_DISCONTIGMEM_MANUAL is not set
-# CONFIG_SPARSEMEM_MANUAL is not set
-CONFIG_FLATMEM=y
-CONFIG_FLAT_NODE_MEM_MAP=y
+CONFIG_SPARSEMEM_MANUAL=y
+CONFIG_SPARSEMEM=y
+CONFIG_HAVE_MEMORY_PRESENT=y
 # CONFIG_SPARSEMEM_STATIC is not set
+CONFIG_SPARSEMEM_EXTREME=y
+# CONFIG_MEMORY_HOTPLUG is not set
 CONFIG_SPLIT_PTLOCK_CPUS=4
+CONFIG_MIGRATION=y
 # CONFIG_PPC_64K_PAGES is not set
 CONFIG_SCHED_SMT=y
 CONFIG_PROC_DEVICETREE=y
@@ -232,6 +238,7 @@ CONFIG_TCP_CONG_BIC=y
 # CONFIG_IP_VS is not set
 CONFIG_IPV6=y
 # CONFIG_IPV6_PRIVACY is not set
+# CONFIG_IPV6_ROUTER_PREF is not set
 CONFIG_INET6_AH=m
 CONFIG_INET6_ESP=m
 CONFIG_INET6_IPCOMP=m
@@ -244,25 +251,7 @@ CONFIG_NETFILTER=y
 # Core Netfilter Configuration
 #
 # CONFIG_NETFILTER_NETLINK is not set
-CONFIG_NETFILTER_XTABLES=m
-CONFIG_NETFILTER_XT_TARGET_CLASSIFY=m
-CONFIG_NETFILTER_XT_TARGET_MARK=m
-CONFIG_NETFILTER_XT_TARGET_NFQUEUE=m
-CONFIG_NETFILTER_XT_TARGET_NOTRACK=m
-CONFIG_NETFILTER_XT_MATCH_COMMENT=m
-CONFIG_NETFILTER_XT_MATCH_CONNTRACK=m
-# CONFIG_NETFILTER_XT_MATCH_DCCP is not set
-CONFIG_NETFILTER_XT_MATCH_HELPER=m
-CONFIG_NETFILTER_XT_MATCH_LENGTH=m
-CONFIG_NETFILTER_XT_MATCH_LIMIT=m
-CONFIG_NETFILTER_XT_MATCH_MAC=m
-CONFIG_NETFILTER_XT_MATCH_MARK=m
-CONFIG_NETFILTER_XT_MATCH_PKTTYPE=m
-CONFIG_NETFILTER_XT_MATCH_REALM=m
-CONFIG_NETFILTER_XT_MATCH_SCTP=m
-CONFIG_NETFILTER_XT_MATCH_STATE=m
-CONFIG_NETFILTER_XT_MATCH_STRING=m
-CONFIG_NETFILTER_XT_MATCH_TCPMSS=m
+# CONFIG_NETFILTER_XTABLES is not set
 
 #
 # IP: Netfilter Configuration
@@ -278,51 +267,13 @@ CONFIG_IP_NF_IRC=m
 CONFIG_IP_NF_TFTP=m
 CONFIG_IP_NF_AMANDA=m
 # CONFIG_IP_NF_PPTP is not set
+# CONFIG_IP_NF_H323 is not set
 CONFIG_IP_NF_QUEUE=m
-CONFIG_IP_NF_IPTABLES=m
-CONFIG_IP_NF_MATCH_IPRANGE=m
-CONFIG_IP_NF_MATCH_MULTIPORT=m
-CONFIG_IP_NF_MATCH_TOS=m
-CONFIG_IP_NF_MATCH_RECENT=m
-CONFIG_IP_NF_MATCH_ECN=m
-CONFIG_IP_NF_MATCH_DSCP=m
-CONFIG_IP_NF_MATCH_AH_ESP=m
-CONFIG_IP_NF_MATCH_TTL=m
-CONFIG_IP_NF_MATCH_OWNER=m
-CONFIG_IP_NF_MATCH_ADDRTYPE=m
-CONFIG_IP_NF_MATCH_HASHLIMIT=m
-CONFIG_IP_NF_MATCH_POLICY=m
-CONFIG_IP_NF_FILTER=m
-CONFIG_IP_NF_TARGET_REJECT=m
-CONFIG_IP_NF_TARGET_LOG=m
-CONFIG_IP_NF_TARGET_ULOG=m
-CONFIG_IP_NF_TARGET_TCPMSS=m
-CONFIG_IP_NF_NAT=m
-CONFIG_IP_NF_NAT_NEEDED=y
-CONFIG_IP_NF_TARGET_MASQUERADE=m
-CONFIG_IP_NF_TARGET_REDIRECT=m
-CONFIG_IP_NF_TARGET_NETMAP=m
-CONFIG_IP_NF_TARGET_SAME=m
-CONFIG_IP_NF_NAT_SNMP_BASIC=m
-CONFIG_IP_NF_NAT_IRC=m
-CONFIG_IP_NF_NAT_FTP=m
-CONFIG_IP_NF_NAT_TFTP=m
-CONFIG_IP_NF_NAT_AMANDA=m
-CONFIG_IP_NF_MANGLE=m
-CONFIG_IP_NF_TARGET_TOS=m
-CONFIG_IP_NF_TARGET_ECN=m
-CONFIG_IP_NF_TARGET_DSCP=m
-CONFIG_IP_NF_TARGET_TTL=m
-CONFIG_IP_NF_RAW=m
-CONFIG_IP_NF_ARPTABLES=m
-CONFIG_IP_NF_ARPFILTER=m
-CONFIG_IP_NF_ARP_MANGLE=m
 
 #
 # IPv6: Netfilter Configuration (EXPERIMENTAL)
 #
 # CONFIG_IP6_NF_QUEUE is not set
-# CONFIG_IP6_NF_IPTABLES is not set
 
 #
 # DCCP Configuration (EXPERIMENTAL)
@@ -355,7 +306,6 @@ CONFIG_IP_NF_ARP_MANGLE=m
 # QoS and/or fair queueing
 #
 # CONFIG_NET_SCHED is not set
-CONFIG_NET_CLS_ROUTE=y
 
 #
 # Network testing
@@ -408,7 +358,7 @@ CONFIG_FW_LOADER=y
 # CONFIG_BLK_DEV_COW_COMMON is not set
 CONFIG_BLK_DEV_LOOP=y
 # CONFIG_BLK_DEV_CRYPTOLOOP is not set
-CONFIG_BLK_DEV_NBD=y
+# CONFIG_BLK_DEV_NBD is not set
 # CONFIG_BLK_DEV_SX8 is not set
 CONFIG_BLK_DEV_RAM=y
 CONFIG_BLK_DEV_RAM_COUNT=16
@@ -484,7 +434,23 @@ CONFIG_IDEDMA_AUTO=y
 #
 # Multi-device support (RAID and LVM)
 #
-# CONFIG_MD is not set
+CONFIG_MD=y
+CONFIG_BLK_DEV_MD=m
+CONFIG_MD_LINEAR=m
+CONFIG_MD_RAID0=m
+CONFIG_MD_RAID1=m
+# CONFIG_MD_RAID10 is not set
+# CONFIG_MD_RAID5 is not set
+# CONFIG_MD_RAID6 is not set
+# CONFIG_MD_MULTIPATH is not set
+# CONFIG_MD_FAULTY is not set
+CONFIG_BLK_DEV_DM=m
+CONFIG_DM_CRYPT=m
+CONFIG_DM_SNAPSHOT=m
+CONFIG_DM_MIRROR=m
+CONFIG_DM_ZERO=m
+CONFIG_DM_MULTIPATH=m
+# CONFIG_DM_MULTIPATH_EMC is not set
 
 #
 # Fusion MPT device support
@@ -548,7 +514,7 @@ CONFIG_MII=y
 # CONFIG_ACENIC is not set
 # CONFIG_DL2K is not set
 CONFIG_E1000=m
-# CONFIG_E1000_NAPI is not set
+CONFIG_E1000_NAPI=y
 # CONFIG_E1000_DISABLE_PACKET_SPLIT is not set
 # CONFIG_NS83820 is not set
 # CONFIG_HAMACHI is not set
@@ -560,7 +526,7 @@ CONFIG_SKGE=m
 # CONFIG_SK98LIN is not set
 # CONFIG_TIGON3 is not set
 # CONFIG_BNX2 is not set
-CONFIG_SPIDER_NET=y
+CONFIG_SPIDER_NET=m
 # CONFIG_MV643XX_ETH is not set
 
 #
@@ -678,6 +644,8 @@ CONFIG_SERIAL_CORE_CONSOLE=y
 # CONFIG_SERIAL_JSM is not set
 CONFIG_UNIX98_PTYS=y
 # CONFIG_LEGACY_PTYS is not set
+CONFIG_HVC_DRIVER=y
+CONFIG_HVC_RTAS=y
 
 #
 # IPMI
@@ -694,14 +662,13 @@ CONFIG_WATCHDOG=y
 # Watchdog Device Drivers
 #
 # CONFIG_SOFT_WATCHDOG is not set
-# CONFIG_WATCHDOG_RTAS is not set
+CONFIG_WATCHDOG_RTAS=y
 
 #
 # PCI-based Watchdog Cards
 #
 # CONFIG_PCIPCWATCHDOG is not set
 # CONFIG_WDTPCI is not set
-# CONFIG_RTC is not set
 CONFIG_GEN_RTC=y
 # CONFIG_GEN_RTC_X is not set
 # CONFIG_DTLK is not set
@@ -833,6 +800,7 @@ CONFIG_DUMMY_CONSOLE=y
 #
 CONFIG_USB_ARCH_HAS_HCD=y
 CONFIG_USB_ARCH_HAS_OHCI=y
+CONFIG_USB_ARCH_HAS_EHCI=y
 # CONFIG_USB is not set
 
 #
@@ -852,7 +820,14 @@ CONFIG_USB_ARCH_HAS_OHCI=y
 #
 # InfiniBand support
 #
-# CONFIG_INFINIBAND is not set
+CONFIG_INFINIBAND=y
+CONFIG_INFINIBAND_USER_MAD=m
+CONFIG_INFINIBAND_USER_ACCESS=m
+CONFIG_INFINIBAND_MTHCA=m
+CONFIG_INFINIBAND_MTHCA_DEBUG=y
+CONFIG_INFINIBAND_IPOIB=m
+CONFIG_INFINIBAND_IPOIB_DEBUG=y
+CONFIG_INFINIBAND_IPOIB_DEBUG_DATA=y
 
 #
 # EDAC - error detection and reporting (RAS) (EXPERIMENTAL)
@@ -1037,10 +1012,6 @@ CONFIG_CRC32=y
 # CONFIG_LIBCRC32C is not set
 CONFIG_ZLIB_INFLATE=m
 CONFIG_ZLIB_DEFLATE=m
-CONFIG_TEXTSEARCH=y
-CONFIG_TEXTSEARCH_KMP=m
-CONFIG_TEXTSEARCH_BM=m
-CONFIG_TEXTSEARCH_FSM=m
 
 #
 # Instrumentation Support
@@ -1058,7 +1029,7 @@ CONFIG_LOG_BUF_SHIFT=15
 CONFIG_DETECT_SOFTLOCKUP=y
 # CONFIG_SCHEDSTATS is not set
 # CONFIG_DEBUG_SLAB is not set
-# CONFIG_DEBUG_MUTEXES is not set
+CONFIG_DEBUG_MUTEXES=y
 # CONFIG_DEBUG_SPINLOCK is not set
 CONFIG_DEBUG_SPINLOCK_SLEEP=y
 # CONFIG_DEBUG_KOBJECT is not set
diff --git a/arch/powerpc/configs/mpc8540_ads_defconfig b/arch/powerpc/configs/mpc8540_ads_defconfig
index 2a8290ee15c6..7f0780f1aa39 100644
--- a/arch/powerpc/configs/mpc8540_ads_defconfig
+++ b/arch/powerpc/configs/mpc8540_ads_defconfig
@@ -1,7 +1,7 @@
 #
 # Automatically generated make config: don't edit
-# Linux kernel version: 
-# Sat Jan 14 15:57:54 2006
+# Linux kernel version: 2.6.16
+# Mon Mar 27 23:37:36 2006
 #
 # CONFIG_PPC64 is not set
 CONFIG_PPC32=y
@@ -9,6 +9,7 @@ CONFIG_PPC_MERGE=y
 CONFIG_MMU=y
 CONFIG_GENERIC_HARDIRQS=y
 CONFIG_RWSEM_XCHGADD_ALGORITHM=y
+CONFIG_GENERIC_HWEIGHT=y
 CONFIG_GENERIC_CALIBRATE_DELAY=y
 CONFIG_PPC=y
 CONFIG_EARLY_PRINTK=y
@@ -18,6 +19,7 @@ CONFIG_ARCH_MAY_HAVE_PC_FDC=y
 CONFIG_PPC_OF=y
 CONFIG_PPC_UDBG_16550=y
 # CONFIG_GENERIC_TBSYNC is not set
+CONFIG_DEFAULT_UIMAGE=y
 
 #
 # Processor support
@@ -42,7 +44,6 @@ CONFIG_SPE=y
 # Code maturity level options
 #
 CONFIG_EXPERIMENTAL=y
-CONFIG_CLEAN_COMPILE=y
 CONFIG_BROKEN_ON_SMP=y
 CONFIG_INIT_ENV_ARG_LIMIT=32
 
@@ -58,6 +59,7 @@ CONFIG_SYSVIPC=y
 CONFIG_SYSCTL=y
 # CONFIG_AUDIT is not set
 # CONFIG_IKCONFIG is not set
+# CONFIG_RELAY is not set
 CONFIG_INITRAMFS_SOURCE=""
 # CONFIG_CC_OPTIMIZE_FOR_SIZE is not set
 CONFIG_EMBEDDED=y
@@ -72,10 +74,6 @@ CONFIG_BASE_FULL=y
 CONFIG_FUTEX=y
 CONFIG_EPOLL=y
 CONFIG_SHMEM=y
-CONFIG_CC_ALIGN_FUNCTIONS=0
-CONFIG_CC_ALIGN_LABELS=0
-CONFIG_CC_ALIGN_LOOPS=0
-CONFIG_CC_ALIGN_JUMPS=0
 CONFIG_SLAB=y
 # CONFIG_TINY_SHMEM is not set
 CONFIG_BASE_SMALL=0
@@ -90,6 +88,8 @@ CONFIG_BASE_SMALL=0
 # Block layer
 #
 # CONFIG_LBD is not set
+# CONFIG_BLK_DEV_IO_TRACE is not set
+# CONFIG_LSF is not set
 
 #
 # IO Schedulers
@@ -183,6 +183,7 @@ CONFIG_NET=y
 #
 # Networking options
 #
+# CONFIG_NETDEBUG is not set
 CONFIG_PACKET=y
 # CONFIG_PACKET_MMAP is not set
 CONFIG_UNIX=y
@@ -220,6 +221,11 @@ CONFIG_TCP_CONG_BIC=y
 # SCTP Configuration (EXPERIMENTAL)
 #
 # CONFIG_IP_SCTP is not set
+
+#
+# TIPC Configuration (EXPERIMENTAL)
+#
+# CONFIG_TIPC is not set
 # CONFIG_ATM is not set
 # CONFIG_BRIDGE is not set
 # CONFIG_VLAN_8021Q is not set
@@ -229,11 +235,6 @@ CONFIG_TCP_CONG_BIC=y
 # CONFIG_ATALK is not set
 # CONFIG_X25 is not set
 # CONFIG_LAPB is not set
-
-#
-# TIPC Configuration (EXPERIMENTAL)
-#
-# CONFIG_TIPC is not set
 # CONFIG_NET_DIVERT is not set
 # CONFIG_ECONET is not set
 # CONFIG_WAN_ROUTER is not set
@@ -487,6 +488,12 @@ CONFIG_GEN_RTC=y
 # CONFIG_I2C is not set
 
 #
+# SPI support
+#
+# CONFIG_SPI is not set
+# CONFIG_SPI_MASTER is not set
+
+#
 # Dallas's 1-wire bus
 #
 # CONFIG_W1 is not set
@@ -496,6 +503,7 @@ CONFIG_GEN_RTC=y
 #
 CONFIG_HWMON=y
 # CONFIG_HWMON_VID is not set
+# CONFIG_SENSORS_F71805F is not set
 # CONFIG_HWMON_DEBUG_CHIP is not set
 
 #
@@ -503,10 +511,6 @@ CONFIG_HWMON=y
 #
 
 #
-# Multimedia Capabilities Port drivers
-#
-
-#
 # Multimedia devices
 #
 # CONFIG_VIDEO_DEV is not set
@@ -531,6 +535,7 @@ CONFIG_HWMON=y
 #
 # CONFIG_USB_ARCH_HAS_HCD is not set
 # CONFIG_USB_ARCH_HAS_OHCI is not set
+# CONFIG_USB_ARCH_HAS_EHCI is not set
 
 #
 # NOTE: USB_STORAGE enables SCSI, and 'SCSI disk support'
@@ -551,7 +556,7 @@ CONFIG_HWMON=y
 #
 
 #
-# SN Devices
+# EDAC - error detection and reporting (RAS) (EXPERIMENTAL)
 #
 
 #
@@ -603,7 +608,6 @@ CONFIG_SYSFS=y
 CONFIG_TMPFS=y
 # CONFIG_HUGETLB_PAGE is not set
 CONFIG_RAMFS=y
-# CONFIG_RELAYFS_FS is not set
 # CONFIG_CONFIGFS_FS is not set
 
 #
@@ -658,6 +662,7 @@ CONFIG_PARTITION_ADVANCED=y
 # CONFIG_SGI_PARTITION is not set
 # CONFIG_ULTRIX_PARTITION is not set
 # CONFIG_SUN_PARTITION is not set
+# CONFIG_KARMA_PARTITION is not set
 # CONFIG_EFI_PARTITION is not set
 
 #
@@ -695,6 +700,8 @@ CONFIG_DEBUG_MUTEXES=y
 # CONFIG_DEBUG_INFO is not set
 # CONFIG_DEBUG_FS is not set
 # CONFIG_DEBUG_VM is not set
+# CONFIG_UNWIND_INFO is not set
+CONFIG_FORCED_INLINING=y
 # CONFIG_RCU_TORTURE_TEST is not set
 # CONFIG_DEBUGGER is not set
 # CONFIG_BDI_SWITCH is not set
diff --git a/arch/powerpc/kernel/Makefile b/arch/powerpc/kernel/Makefile
index 80e9fe2632b8..0cc0995b81b0 100644
--- a/arch/powerpc/kernel/Makefile
+++ b/arch/powerpc/kernel/Makefile
@@ -12,12 +12,12 @@ endif
 
 obj-y                           := semaphore.o cputable.o ptrace.o syscalls.o \
                                    irq.o align.o signal_32.o pmc.o vdso.o \
-                                   init_task.o process.o systbl.o
+                                   init_task.o process.o systbl.o idle.o
 obj-y                           += vdso32/
 obj-$(CONFIG_PPC64)             += setup_64.o binfmt_elf32.o sys_ppc32.o \
                                    signal_64.o ptrace32.o \
                                    paca.o cpu_setup_power4.o \
-                                   firmware.o sysfs.o idle_64.o
+                                   firmware.o sysfs.o
 obj-$(CONFIG_PPC64)             += vdso64/
 obj-$(CONFIG_ALTIVEC)           += vecemu.o vector.o
 obj-$(CONFIG_POWER4)            += idle_power4.o
@@ -34,6 +34,11 @@ obj-$(CONFIG_IBMEBUS)           += ibmebus.o
 obj-$(CONFIG_GENERIC_TBSYNC)    += smp-tbsync.o
 obj64-$(CONFIG_PPC_MULTIPLATFORM) += nvram_64.o
 obj-$(CONFIG_CRASH_DUMP)        += crash_dump.o
+obj-$(CONFIG_6xx)               += idle_6xx.o l2cr_6xx.o cpu_setup_6xx.o
+obj-$(CONFIG_TAU)               += tau_6xx.o
+obj32-$(CONFIG_SOFTWARE_SUSPEND) += swsusp_32.o
+obj32-$(CONFIG_MODULES)         += module_32.o
+obj-$(CONFIG_E500)              += perfmon_fsl_booke.o
 
 ifeq ($(CONFIG_PPC_MERGE),y)
 
@@ -51,7 +56,6 @@ obj-$(CONFIG_PPC64)		+= misc_64.o dma_64.o iommu.o
 obj-$(CONFIG_PPC_MULTIPLATFORM) += prom_init.o
 obj-$(CONFIG_MODULES)           += ppc_ksyms.o
 obj-$(CONFIG_BOOTX_TEXT)        += btext.o
-obj-$(CONFIG_6xx)               += idle_6xx.o
 obj-$(CONFIG_SMP)               += smp.o
 obj-$(CONFIG_KPROBES)           += kprobes.o
 obj-$(CONFIG_PPC_UDBG_16550)    += legacy_serial.o udbg_16550.o
@@ -77,6 +81,7 @@ smpobj-$(CONFIG_SMP)		+= smp.o
 
 endif
 
+obj-$(CONFIG_PPC32)             += $(obj32-y)
 obj-$(CONFIG_PPC64)             += $(obj64-y)
 
 extra-$(CONFIG_PPC_FPU)         += fpu.o
diff --git a/arch/powerpc/kernel/asm-offsets.c b/arch/powerpc/kernel/asm-offsets.c
index 882889b15926..54b48f330051 100644
--- a/arch/powerpc/kernel/asm-offsets.c
+++ b/arch/powerpc/kernel/asm-offsets.c
@@ -105,8 +105,6 @@ int main(void)
         DEFINE(ICACHEL1LINESIZE, offsetof(struct ppc64_caches, iline_size));
         DEFINE(ICACHEL1LOGLINESIZE, offsetof(struct ppc64_caches, log_iline_size));
         DEFINE(ICACHEL1LINESPERPAGE, offsetof(struct ppc64_caches, ilines_per_page));
-        DEFINE(PLATFORM_LPAR, PLATFORM_LPAR);
-
         /* paca */
         DEFINE(PACA_SIZE, sizeof(struct paca_struct));
         DEFINE(PACAPACAINDEX, offsetof(struct paca_struct, paca_index));
diff --git a/arch/ppc/kernel/cpu_setup_6xx.S b/arch/powerpc/kernel/cpu_setup_6xx.S
index 55ed7716636f..55ed7716636f 100644
--- a/arch/ppc/kernel/cpu_setup_6xx.S
+++ b/arch/powerpc/kernel/cpu_setup_6xx.S
diff --git a/arch/powerpc/kernel/entry_32.S b/arch/powerpc/kernel/entry_32.S
index 4827ca1ec89b..b3a979467225 100644
--- a/arch/powerpc/kernel/entry_32.S
+++ b/arch/powerpc/kernel/entry_32.S
@@ -135,10 +135,10 @@ transfer_to_handler:
         mfspr   r11,SPRN_HID0
         mtcr    r11
 BEGIN_FTR_SECTION
-        bt-     8,power_save_6xx_restore        /* Check DOZE */
+        bt-     8,4f                    /* Check DOZE */
 END_FTR_SECTION_IFSET(CPU_FTR_CAN_DOZE)
 BEGIN_FTR_SECTION
-        bt-     9,power_save_6xx_restore        /* Check NAP */
+        bt-     9,4f                    /* Check NAP */
 END_FTR_SECTION_IFSET(CPU_FTR_CAN_NAP)
 #endif /* CONFIG_6xx */
         .globl transfer_to_handler_cont
@@ -157,6 +157,10 @@ transfer_to_handler_cont:
         SYNC
         RFI                             /* jump to handler, enable MMU */
 
+#ifdef CONFIG_6xx       
+4:      b       power_save_6xx_restore
+#endif
+
 /*
  * On kernel stack overflow, load up an initial stack pointer
  * and call StackOverflow(regs), which should not return.
diff --git a/arch/powerpc/kernel/entry_64.S b/arch/powerpc/kernel/entry_64.S
index 1060155d84c3..19ad5c6b1818 100644
--- a/arch/powerpc/kernel/entry_64.S
+++ b/arch/powerpc/kernel/entry_64.S
@@ -617,6 +617,12 @@ _GLOBAL(enter_rtas)
         mfsrr1  r10
         std     r10,_SRR1(r1)
 
+        /* Temporary workaround to clear CR until RTAS can be modified to
+         * ignore all bits.
+         */
+        li      r0,0
+        mtcr    r0
+
         /* There is no way it is acceptable to get here with interrupts enabled,
          * check it with the asm equivalent of WARN_ON
          */
diff --git a/arch/powerpc/kernel/firmware.c b/arch/powerpc/kernel/firmware.c
index 4d37a3cb80f6..0bfe9061720a 100644
--- a/arch/powerpc/kernel/firmware.c
+++ b/arch/powerpc/kernel/firmware.c
@@ -14,7 +14,9 @@
  */
 
 #include <linux/config.h>
+#include <linux/module.h>
 
 #include <asm/firmware.h>
 
-unsigned long ppc64_firmware_features;
+unsigned long powerpc_firmware_features;
+EXPORT_SYMBOL_GPL(powerpc_firmware_features);
diff --git a/arch/powerpc/kernel/head_64.S b/arch/powerpc/kernel/head_64.S
index 35084f3a841b..a5ae04a57c78 100644
--- a/arch/powerpc/kernel/head_64.S
+++ b/arch/powerpc/kernel/head_64.S
@@ -1544,7 +1544,11 @@ _STATIC(__boot_from_prom)
         mr      r28,r6
         mr      r27,r7
 
-        /* Align the stack to 16-byte boundary for broken yaboot */
+        /*
+         * Align the stack to 16-byte boundary
+         * Depending on the size and layout of the ELF sections in the initial
+         * boot binary, the stack pointer will be unalignet on PowerMac
+         */
         rldicr  r1,r1,0,59
 
         /* Make sure we are running in 64 bits mode */
@@ -1847,21 +1851,6 @@ _STATIC(start_here_multiplatform)
         bl      .__save_cpu_setup
         sync
 
-        /* Setup a valid physical PACA pointer in SPRG3 for early_setup
-         * note that boot_cpuid can always be 0 nowadays since there is
-         * nowhere it can be initialized differently before we reach this
-         * code
-         */
-        LOAD_REG_IMMEDIATE(r27, boot_cpuid)
-        add     r27,r27,r26
-        lwz     r27,0(r27)
-
-        LOAD_REG_IMMEDIATE(r24, paca)   /* Get base vaddr of paca array  */
-        mulli   r13,r27,PACA_SIZE       /* Calculate vaddr of right paca */
-        add     r13,r13,r24             /* for this processor.           */
-        add     r13,r13,r26             /* convert to physical addr      */
-        mtspr   SPRN_SPRG3,r13
-        
         /* Do very early kernel initializations, including initial hash table,
          * stab and slb setup before we turn on relocation.     */
 
@@ -1930,6 +1919,17 @@ _STATIC(start_here_common)
         /* Not reached */
         BUG_OPCODE
 
+/* Put the paca pointer into r13 and SPRG3 */
+_GLOBAL(setup_boot_paca)
+        LOAD_REG_IMMEDIATE(r3, boot_cpuid)
+        lwz     r3,0(r3)
+        LOAD_REG_IMMEDIATE(r4, paca)    /* Get base vaddr of paca array  */
+        mulli   r3,r3,PACA_SIZE         /* Calculate vaddr of right paca */
+        add     r13,r3,r4               /* for this processor.           */
+        mtspr   SPRN_SPRG3,r13
+
+        blr
+
 /*
  * We put a few things here that have to be page-aligned.
  * This stuff goes at the beginning of the bss, which is page-aligned.
diff --git a/arch/powerpc/kernel/idle_64.c b/arch/powerpc/kernel/idle.c
index b879d3057ef8..e9f321d74d85 100644
--- a/arch/powerpc/kernel/idle_64.c
+++ b/arch/powerpc/kernel/idle.c
@@ -2,13 +2,17 @@
  * Idle daemon for PowerPC.  Idle daemon will handle any action
  * that needs to be taken when the system becomes idle.
  *
- * Originally Written by Cort Dougan (cort@cs.nmt.edu)
+ * Originally written by Cort Dougan (cort@cs.nmt.edu).
+ * Subsequent 32-bit hacking by Tom Rini, Armin Kuster,
+ * Paul Mackerras and others.
  *
  * iSeries supported added by Mike Corrigan <mikejc@us.ibm.com>
  *
  * Additional shared processor, SMT, and firmware support
  *    Copyright (c) 2003 Dave Engebretsen <engebret@us.ibm.com>
  *
+ * 32-bit and 64-bit versions merged by Paul Mackerras <paulus@samba.org>
+ *
  * This program is free software; you can redistribute it and/or
  * modify it under the terms of the GNU General Public License
  * as published by the Free Software Foundation; either version
@@ -29,18 +33,43 @@
 #include <asm/machdep.h>
 #include <asm/smp.h>
 
-extern void power4_idle(void);
+#ifdef CONFIG_HOTPLUG_CPU
+#define cpu_should_die()        (cpu_is_offline(smp_processor_id()) && \
+                                 system_state == SYSTEM_RUNNING)
+#else
+#define cpu_should_die()        0
+#endif
 
-void default_idle(void)
+/*
+ * The body of the idle task.
+ */
+void cpu_idle(void)
 {
-        unsigned int cpu = smp_processor_id();
-        set_thread_flag(TIF_POLLING_NRFLAG);
+        if (ppc_md.idle_loop)
+                ppc_md.idle_loop();     /* doesn't return */
 
+        set_thread_flag(TIF_POLLING_NRFLAG);
         while (1) {
-                if (!need_resched()) {
-                        while (!need_resched() && !cpu_is_offline(cpu)) {
-                                ppc64_runlatch_off();
+                ppc64_runlatch_off();
 
+                while (!need_resched() && !cpu_should_die()) {
+                        if (ppc_md.power_save) {
+                                clear_thread_flag(TIF_POLLING_NRFLAG);
+                                /*
+                                 * smp_mb is so clearing of TIF_POLLING_NRFLAG
+                                 * is ordered w.r.t. need_resched() test.
+                                 */
+                                smp_mb();
+                                local_irq_disable();
+
+                                /* check again after disabling irqs */
+                                if (!need_resched() && !cpu_should_die())
+                                        ppc_md.power_save();
+
+                                local_irq_enable();
+                                set_thread_flag(TIF_POLLING_NRFLAG);
+
+                        } else {
                                 /*
                                  * Go into low thread priority and possibly
                                  * low power mode.
@@ -48,46 +77,18 @@ void default_idle(void)
                                 HMT_low();
                                 HMT_very_low();
                         }
-
-                        HMT_medium();
                 }
 
+                HMT_medium();
                 ppc64_runlatch_on();
+                if (cpu_should_die())
+                        cpu_die();
                 preempt_enable_no_resched();
                 schedule();
                 preempt_disable();
-                if (cpu_is_offline(cpu) && system_state == SYSTEM_RUNNING)
-                        cpu_die();
         }
 }
 
-void native_idle(void)
-{
-        while (1) {
-                ppc64_runlatch_off();
-
-                if (!need_resched())
-                        power4_idle();
-
-                if (need_resched()) {
-                        ppc64_runlatch_on();
-                        preempt_enable_no_resched();
-                        schedule();
-                        preempt_disable();
-                }
-
-                if (cpu_is_offline(smp_processor_id()) &&
-                    system_state == SYSTEM_RUNNING)
-                        cpu_die();
-        }
-}
-
-void cpu_idle(void)
-{
-        BUG_ON(NULL == ppc_md.idle_loop);
-        ppc_md.idle_loop();
-}
-
 int powersave_nap;
 
 #ifdef CONFIG_SYSCTL
diff --git a/arch/powerpc/kernel/idle_6xx.S b/arch/powerpc/kernel/idle_6xx.S
index 444fdcc769f1..12a4efbaa08f 100644
--- a/arch/powerpc/kernel/idle_6xx.S
+++ b/arch/powerpc/kernel/idle_6xx.S
@@ -87,19 +87,6 @@ END_FTR_SECTION_IFSET(CPU_FTR_CAN_NAP)
         cmpwi   0,r3,0
         beqlr
 
-        /* Clear MSR:EE */
-        mfmsr   r7
-        rlwinm  r0,r7,0,17,15
-        mtmsr   r0
-
-        /* Check current_thread_info()->flags */
-        rlwinm  r4,r1,0,0,18
-        lwz     r4,TI_FLAGS(r4)
-        andi.   r0,r4,_TIF_NEED_RESCHED
-        beq     1f
-        mtmsr   r7      /* out of line this ? */
-        blr
-1:      
         /* Some pre-nap cleanups needed on some CPUs */
         andis.  r0,r3,HID0_NAP@h
         beq     2f
@@ -157,7 +144,8 @@ BEGIN_FTR_SECTION
         DSSALL
         sync
 END_FTR_SECTION_IFSET(CPU_FTR_ALTIVEC)
-        ori     r7,r7,MSR_EE /* Could be ommited (already set) */
+        mfmsr   r7
+        ori     r7,r7,MSR_EE
         oris    r7,r7,MSR_POW@h
         sync
         isync
@@ -220,8 +208,6 @@ _GLOBAL(nap_save_msscr0)
 _GLOBAL(nap_save_hid1)
         .space  4*NR_CPUS
 
-_GLOBAL(powersave_nap)
-        .long   0
 _GLOBAL(powersave_lowspeed)
         .long   0
 
diff --git a/arch/powerpc/kernel/idle_power4.S b/arch/powerpc/kernel/idle_power4.S
index c16b4afab582..6dad1c02496e 100644
--- a/arch/powerpc/kernel/idle_power4.S
+++ b/arch/powerpc/kernel/idle_power4.S
@@ -1,11 +1,5 @@
 /*
- *  This file contains the power_save function for 6xx & 7xxx CPUs
- *  rewritten in assembler
- *
- *  Warning ! This code assumes that if your machine has a 750fx
- *  it will have PLL 1 set to low speed mode (used during NAP/DOZE).
- *  if this is not the case some additional changes will have to
- *  be done to check a runtime var (a bit like powersave-nap)
+ *  This file contains the power_save function for 970-family CPUs.
  *
  *  This program is free software; you can redistribute it and/or
  *  modify it under the terms of the GNU General Public License
@@ -26,49 +20,23 @@
 
         .text
 
-/*
- * Here is the power_save_6xx function. This could eventually be
- * split into several functions & changing the function pointer
- * depending on the various features.
- */
 _GLOBAL(power4_idle)
 BEGIN_FTR_SECTION
         blr
 END_FTR_SECTION_IFCLR(CPU_FTR_CAN_NAP)
-        /* We must dynamically check for the NAP feature as it
-         * can be cleared by CPU init after the fixups are done
-         */
-        LOAD_REG_ADDRBASE(r3,cur_cpu_spec)
-        ld      r4,ADDROFF(cur_cpu_spec)(r3)
-        ld      r4,CPU_SPEC_FEATURES(r4)
-        andi.   r0,r4,CPU_FTR_CAN_NAP
-        beqlr
         /* Now check if user or arch enabled NAP mode */
         LOAD_REG_ADDRBASE(r3,powersave_nap)
         lwz     r4,ADDROFF(powersave_nap)(r3)
         cmpwi   0,r4,0
         beqlr
 
-        /* Clear MSR:EE */
-        mfmsr   r7
-        li      r4,0
-        ori     r4,r4,MSR_EE
-        andc    r0,r7,r4
-        mtmsrd  r0
-
-        /* Check current_thread_info()->flags */
-        clrrdi  r4,r1,THREAD_SHIFT
-        ld      r4,TI_FLAGS(r4)
-        andi.   r0,r4,_TIF_NEED_RESCHED
-        beq     1f
-        mtmsrd  r7      /* out of line this ? */
-        blr
-1:
         /* Go to NAP now */
 BEGIN_FTR_SECTION
         DSSALL
         sync
 END_FTR_SECTION_IFSET(CPU_FTR_ALTIVEC)
+        mfmsr   r7
+        ori     r7,r7,MSR_EE
         oris    r7,r7,MSR_POW@h
         sync
         isync
diff --git a/arch/powerpc/kernel/irq.c b/arch/powerpc/kernel/irq.c
index 771a59cbd213..bb5c9501234c 100644
--- a/arch/powerpc/kernel/irq.c
+++ b/arch/powerpc/kernel/irq.c
@@ -379,7 +379,7 @@ void irq_ctx_init(void)
         struct thread_info *tp;
         int i;
 
-        for_each_cpu(i) {
+        for_each_possible_cpu(i) {
                 memset((void *)softirq_ctx[i], 0, THREAD_SIZE);
                 tp = softirq_ctx[i];
                 tp->cpu = i;
diff --git a/arch/ppc/kernel/l2cr.S b/arch/powerpc/kernel/l2cr_6xx.S
index d7f4e982b539..d7f4e982b539 100644
--- a/arch/ppc/kernel/l2cr.S
+++ b/arch/powerpc/kernel/l2cr_6xx.S
diff --git a/arch/powerpc/kernel/legacy_serial.c b/arch/powerpc/kernel/legacy_serial.c
index c7a799a09516..6e67b5b49ba1 100644
--- a/arch/powerpc/kernel/legacy_serial.c
+++ b/arch/powerpc/kernel/legacy_serial.c
@@ -37,7 +37,7 @@ static int legacy_serial_console = -1;
 static int __init add_legacy_port(struct device_node *np, int want_index,
                                   int iotype, phys_addr_t base,
                                   phys_addr_t taddr, unsigned long irq,
-                                  unsigned int flags)
+                                  upf_t flags)
 {
         u32 *clk, *spd, clock = BASE_BAUD * 16;
         int index;
@@ -113,7 +113,7 @@ static int __init add_legacy_soc_port(struct device_node *np,
 {
         phys_addr_t addr;
         u32 *addrp;
-        unsigned int flags = UPF_BOOT_AUTOCONF | UPF_SKIP_TEST | UPF_SHARE_IRQ;
+        upf_t flags = UPF_BOOT_AUTOCONF | UPF_SKIP_TEST | UPF_SHARE_IRQ;
 
         /* We only support ports that have a clock frequency properly
          * encoded in the device-tree.
@@ -236,6 +236,23 @@ static int __init add_legacy_pci_port(struct device_node *np,
 }
 #endif
 
+static void __init setup_legacy_serial_console(int console)
+{
+        struct legacy_serial_info *info =
+                &legacy_serial_infos[console];
+        void __iomem *addr;
+
+        if (info->taddr == 0)
+                return;
+        addr = ioremap(info->taddr, 0x1000);
+        if (addr == NULL)
+                return;
+        if (info->speed == 0)
+                info->speed = udbg_probe_uart_speed(addr, info->clock);
+        DBG("default console speed = %d\n", info->speed);
+        udbg_init_uart(addr, info->speed, info->clock);
+}
+
 /*
  * This is called very early, as part of setup_system() or eventually
  * setup_arch(), basically before anything else in this file. This function
@@ -318,25 +335,8 @@ void __init find_legacy_serial_ports(void)
 #endif
 
         DBG("legacy_serial_console = %d\n", legacy_serial_console);
-
-        /* udbg is 64 bits only for now, that will change soon though ... */
-        while (legacy_serial_console >= 0) {
-                struct legacy_serial_info *info =
-                        &legacy_serial_infos[legacy_serial_console];
-                void __iomem *addr;
-
-                if (info->taddr == 0)
-                        break;
-                addr = ioremap(info->taddr, 0x1000);
-                if (addr == NULL)
-                        break;
-                if (info->speed == 0)
-                        info->speed = udbg_probe_uart_speed(addr, info->clock);
-                DBG("default console speed = %d\n", info->speed);
-                udbg_init_uart(addr, info->speed, info->clock);
-                break;
-        }
-
+        if (legacy_serial_console >= 0)
+                setup_legacy_serial_console(legacy_serial_console);
         DBG(" <- find_legacy_serial_port()\n");
 }
 
diff --git a/arch/powerpc/kernel/lparcfg.c b/arch/powerpc/kernel/lparcfg.c
index e789fef4eb8a..1b73508ecb2b 100644
--- a/arch/powerpc/kernel/lparcfg.c
+++ b/arch/powerpc/kernel/lparcfg.c
@@ -56,7 +56,7 @@ static unsigned long get_purr(void)
         unsigned long sum_purr = 0;
         int cpu;
 
-        for_each_cpu(cpu) {
+        for_each_possible_cpu(cpu) {
                 sum_purr += lppaca[cpu].emulated_time_base;
 
 #ifdef PURR_DEBUG
@@ -222,7 +222,7 @@ static unsigned long get_purr(void)
         int cpu;
         struct cpu_usage *cu;
 
-        for_each_cpu(cpu) {
+        for_each_possible_cpu(cpu) {
                 cu = &per_cpu(cpu_usage_array, cpu);
                 sum_purr += cu->current_tb;
         }
diff --git a/arch/ppc/kernel/module.c b/arch/powerpc/kernel/module_32.c
index 92f4e5f64f02..92f4e5f64f02 100644
--- a/arch/ppc/kernel/module.c
+++ b/arch/powerpc/kernel/module_32.c
diff --git a/arch/powerpc/kernel/nvram_64.c b/arch/powerpc/kernel/nvram_64.c
index fd7db8d542db..ada50aa5b600 100644
--- a/arch/powerpc/kernel/nvram_64.c
+++ b/arch/powerpc/kernel/nvram_64.c
@@ -160,7 +160,7 @@ static int dev_nvram_ioctl(struct inode *inode, struct file *file,
         case IOC_NVRAM_GET_OFFSET: {
                 int part, offset;
 
-                if (_machine != PLATFORM_POWERMAC)
+                if (!machine_is(powermac))
                         return -EINVAL;
                 if (copy_from_user(&part, (void __user*)arg, sizeof(part)) != 0)
                         return -EFAULT;
@@ -174,8 +174,9 @@ static int dev_nvram_ioctl(struct inode *inode, struct file *file,
                 return 0;
         }
 #endif /* CONFIG_PPC_PMAC */
+        default:
+                return -EINVAL;
         }
-        return -EINVAL;
 }
 
 struct file_operations nvram_fops = {
@@ -443,7 +444,7 @@ static int nvram_setup_partition(void)
          * in our nvram, as Apple defined partitions use pretty much
          * all of the space
          */
-        if (_machine == PLATFORM_POWERMAC)
+        if (machine_is(powermac))
                 return -ENOSPC;
 
         /* see if we have an OS partition that meets our needs.
diff --git a/arch/powerpc/kernel/paca.c b/arch/powerpc/kernel/paca.c
index 5d1b708086bd..f505a8827e3e 100644
--- a/arch/powerpc/kernel/paca.c
+++ b/arch/powerpc/kernel/paca.c
@@ -56,14 +56,11 @@ struct lppaca lppaca[] = {
  * processors.  The processor VPD array needs one entry per physical
  * processor (not thread).
  */
-#define PACA_INIT_COMMON(number, start, asrr, asrv)                         \
+#define PACA_INIT_COMMON(number)                                            \
         .lppaca_ptr = &lppaca[number],                                      \
         .lock_token = 0x8000,                                               \
         .paca_index = (number),         /* Paca Index */                    \
         .kernel_toc = (unsigned long)(&__toc_start) + 0x8000UL,             \
-        .stab_real = (asrr),            /* Real pointer to segment table */ \
-        .stab_addr = (asrv),            /* Virt pointer to segment table */ \
-        .cpu_start = (start),           /* Processor start */               \
         .hw_cpu_id = 0xffff,
 
 #ifdef CONFIG_PPC_ISERIES
@@ -72,30 +69,20 @@ struct lppaca lppaca[] = {
 
 #define PACA_INIT(number)                                                   \
 {                                                                           \
-        PACA_INIT_COMMON(number, 0, 0, 0)                                   \
-        PACA_INIT_ISERIES(number)                                           \
-}
-
-#define BOOTCPU_PACA_INIT(number)                                           \
-{                                                                           \
-        PACA_INIT_COMMON(number, 1, 0, (u64)&initial_stab)                  \
+        PACA_INIT_COMMON(number)                                            \
         PACA_INIT_ISERIES(number)                                           \
 }
 
 #else
 #define PACA_INIT(number)                                                   \
 {                                                                           \
-        PACA_INIT_COMMON(number, 0, 0, 0)                                   \
+        PACA_INIT_COMMON(number)                                            \
 }
 
-#define BOOTCPU_PACA_INIT(number)                                           \
-{                                                                           \
-        PACA_INIT_COMMON(number, 1, STAB0_PHYS_ADDR, (u64)&initial_stab)    \
-}
 #endif
 
 struct paca_struct paca[] = {
-        BOOTCPU_PACA_INIT(0),
+        PACA_INIT(0),
 #if NR_CPUS > 1
         PACA_INIT(  1), PACA_INIT(  2), PACA_INIT(  3),
 #if NR_CPUS > 4
diff --git a/arch/powerpc/kernel/pci_32.c b/arch/powerpc/kernel/pci_32.c
index 704c846b2b0f..b129d2e4b759 100644
--- a/arch/powerpc/kernel/pci_32.c
+++ b/arch/powerpc/kernel/pci_32.c
@@ -787,7 +787,7 @@ pci_busdev_to_OF_node(struct pci_bus *bus, int devfn)
          * fix has to be done by making the remapping per-host and always
          * filling the pci_to_OF map. --BenH
          */
-        if (_machine == _MACH_Pmac && busnr >= 0xf0)
+        if (machine_is(powermac) && busnr >= 0xf0)
                 busnr -= 0xf0;
         else
 #endif
@@ -1728,7 +1728,7 @@ long sys_pciconfig_iobase(long which, unsigned long bus, unsigned long devfn)
          * (bus 0 is HT root), we return the AGP one instead.
          */
 #ifdef CONFIG_PPC_PMAC
-        if (_machine == _MACH_Pmac && machine_is_compatible("MacRISC4"))
+        if (machine_is(powermac) && machine_is_compatible("MacRISC4"))
                 if (bus == 0)
                         bus = 0xf0;
 #endif /* CONFIG_PPC_PMAC */
diff --git a/arch/powerpc/kernel/pci_64.c b/arch/powerpc/kernel/pci_64.c
index ba92bab7cc2c..4c4449be81ce 100644
--- a/arch/powerpc/kernel/pci_64.c
+++ b/arch/powerpc/kernel/pci_64.c
@@ -78,6 +78,7 @@ int global_phb_number;		/* Global phb counter */
 
 /* Cached ISA bridge dev. */
 struct pci_dev *ppc64_isabridge_dev = NULL;
+EXPORT_SYMBOL_GPL(ppc64_isabridge_dev);
 
 static void fixup_broken_pcnet32(struct pci_dev* dev)
 {
diff --git a/arch/ppc/kernel/perfmon_fsl_booke.c b/arch/powerpc/kernel/perfmon_fsl_booke.c
index 32455dfcc36b..32455dfcc36b 100644
--- a/arch/ppc/kernel/perfmon_fsl_booke.c
+++ b/arch/powerpc/kernel/perfmon_fsl_booke.c
diff --git a/arch/powerpc/kernel/proc_ppc64.c b/arch/powerpc/kernel/proc_ppc64.c
index 7ba42a405f41..3c2cf661f6d9 100644
--- a/arch/powerpc/kernel/proc_ppc64.c
+++ b/arch/powerpc/kernel/proc_ppc64.c
@@ -23,6 +23,7 @@
 #include <linux/slab.h>
 #include <linux/kernel.h>
 
+#include <asm/machdep.h>
 #include <asm/vdso_datapage.h>
 #include <asm/rtas.h>
 #include <asm/uaccess.h>
@@ -51,7 +52,7 @@ static int __init proc_ppc64_create(void)
         if (!root)
                 return 1;
 
-        if (!(platform_is_pseries() || _machine == PLATFORM_CELL))
+        if (!machine_is(pseries) && !machine_is(cell))
                 return 0;
 
         if (!proc_mkdir("rtas", root))
diff --git a/arch/powerpc/kernel/process.c b/arch/powerpc/kernel/process.c
index f698aa77127e..706090c99f47 100644
--- a/arch/powerpc/kernel/process.c
+++ b/arch/powerpc/kernel/process.c
@@ -45,6 +45,7 @@
 #include <asm/prom.h>
 #include <asm/machdep.h>
 #include <asm/time.h>
+#include <asm/syscalls.h>
 #ifdef CONFIG_PPC64
 #include <asm/firmware.h>
 #endif
@@ -362,7 +363,11 @@ static void show_instructions(struct pt_regs *regs)
                 if (!(i % 8))
                         printk("\n");
 
-                if (BAD_PC(pc) || __get_user(instr, (unsigned int *)pc)) {
+                /* We use __get_user here *only* to avoid an OOPS on a
+                 * bad address because the pc *should* only be a
+                 * kernel address.
+                 */
+                if (BAD_PC(pc) || __get_user(instr, (unsigned int __user *)pc)) {
                         printk("XXXXXXXX ");
                 } else {
                         if (regs->nip == pc)
@@ -765,7 +770,7 @@ out:
         return error;
 }
 
-static int validate_sp(unsigned long sp, struct task_struct *p,
+int validate_sp(unsigned long sp, struct task_struct *p,
                        unsigned long nbytes)
 {
         unsigned long stack_page = (unsigned long)task_stack_page(p);
@@ -803,6 +808,8 @@ static int validate_sp(unsigned long sp, struct task_struct *p,
 #define FRAME_MARKER    2
 #endif
 
+EXPORT_SYMBOL(validate_sp);
+
 unsigned long get_wchan(struct task_struct *p)
 {
         unsigned long ip, sp;
diff --git a/arch/powerpc/kernel/prom.c b/arch/powerpc/kernel/prom.c
index d63cd562d9d5..4336390bcf34 100644
--- a/arch/powerpc/kernel/prom.c
+++ b/arch/powerpc/kernel/prom.c
@@ -383,14 +383,14 @@ static int __devinit finish_node_interrupts(struct device_node *np,
                         /* Apple uses bits in there in a different way, let's
                          * only keep the real sense bit on macs
                          */
-                        if (_machine == PLATFORM_POWERMAC)
+                        if (machine_is(powermac))
                                 sense &= 0x1;
                         np->intrs[intrcount].sense = map_mpic_senses[sense];
                 }
 
 #ifdef CONFIG_PPC64
                 /* We offset irq numbers for the u3 MPIC by 128 in PowerMac */
-                if (_machine == PLATFORM_POWERMAC && ic && ic->parent) {
+                if (machine_is(powermac) && ic && ic->parent) {
                         char *name = get_property(ic->parent, "name", NULL);
                         if (name && !strcmp(name, "u3"))
                                 np->intrs[intrcount].line += 128;
@@ -570,6 +570,18 @@ int __init of_scan_flat_dt(int (*it)(unsigned long node,
         return rc;
 }
 
+unsigned long __init of_get_flat_dt_root(void)
+{
+        unsigned long p = ((unsigned long)initial_boot_params) +
+                initial_boot_params->off_dt_struct;
+
+        while(*((u32 *)p) == OF_DT_NOP)
+                p += 4;
+        BUG_ON (*((u32 *)p) != OF_DT_BEGIN_NODE);
+        p += 4;
+        return _ALIGN(p + strlen((char *)p) + 1, 4);
+}
+
 /**
  * This  function can be used within scan_flattened_dt callback to get
  * access to properties
@@ -612,6 +624,25 @@ void* __init of_get_flat_dt_prop(unsigned long node, const char *name,
         } while(1);
 }
 
+int __init of_flat_dt_is_compatible(unsigned long node, const char *compat)
+{
+        const char* cp;
+        unsigned long cplen, l;
+
+        cp = of_get_flat_dt_prop(node, "compatible", &cplen);
+        if (cp == NULL)
+                return 0;
+        while (cplen > 0) {
+                if (strncasecmp(cp, compat, strlen(compat)) == 0)
+                        return 1;
+                l = strlen(cp) + 1;
+                cp += l;
+                cplen -= l;
+        }
+
+        return 0;
+}
+
 static void *__init unflatten_dt_alloc(unsigned long *mem, unsigned long size,
                                        unsigned long align)
 {
@@ -686,7 +717,7 @@ static unsigned long __init unflatten_dt_node(unsigned long mem,
 #ifdef DEBUG
                                 if ((strlen(p) + l + 1) != allocl) {
                                         DBG("%s: p: %d, l: %d, a: %d\n",
-                                            pathp, strlen(p), l, allocl);
+                                            pathp, (int)strlen(p), l, allocl);
                                 }
 #endif
                                 p += strlen(p);
@@ -854,35 +885,73 @@ void __init unflatten_device_tree(void)
         DBG(" <- unflatten_device_tree()\n");
 }
 
-
 static int __init early_init_dt_scan_cpus(unsigned long node,
-                                          const char *uname, int depth, void *data)
+                                          const char *uname, int depth,
+                                          void *data)
 {
+        static int logical_cpuid = 0;
+        char *type = of_get_flat_dt_prop(node, "device_type", NULL);
+#ifdef CONFIG_ALTIVEC
         u32 *prop;
-        unsigned long size;
-        char *type = of_get_flat_dt_prop(node, "device_type", &size);
+#endif
+        u32 *intserv;
+        int i, nthreads;
+        unsigned long len;
+        int found = 0;
 
         /* We are scanning "cpu" nodes only */
         if (type == NULL || strcmp(type, "cpu") != 0)
                 return 0;
 
-        boot_cpuid = 0;
-        boot_cpuid_phys = 0;
-        if (initial_boot_params && initial_boot_params->version >= 2) {
-                /* version 2 of the kexec param format adds the phys cpuid
-                 * of booted proc.
-                 */
-                boot_cpuid_phys = initial_boot_params->boot_cpuid_phys;
+        /* Get physical cpuid */
+        intserv = of_get_flat_dt_prop(node, "ibm,ppc-interrupt-server#s", &len);
+        if (intserv) {
+                nthreads = len / sizeof(int);
         } else {
-                /* Check if it's the boot-cpu, set it's hw index now */
-                if (of_get_flat_dt_prop(node,
+                intserv = of_get_flat_dt_prop(node, "reg", NULL);
+                nthreads = 1;
+        }
+
+        /*
+         * Now see if any of these threads match our boot cpu.
+         * NOTE: This must match the parsing done in smp_setup_cpu_maps.
+         */
+        for (i = 0; i < nthreads; i++) {
+                /*
+                 * version 2 of the kexec param format adds the phys cpuid of
+                 * booted proc.
+                 */
+                if (initial_boot_params && initial_boot_params->version >= 2) {
+                        if (intserv[i] ==
+                                        initial_boot_params->boot_cpuid_phys) {
+                                found = 1;
+                                break;
+                        }
+                } else {
+                        /*
+                         * Check if it's the boot-cpu, set it's hw index now,
+                         * unfortunately this format did not support booting
+                         * off secondary threads.
+                         */
+                        if (of_get_flat_dt_prop(node,
                                         "linux,boot-cpu", NULL) != NULL) {
-                        prop = of_get_flat_dt_prop(node, "reg", NULL);
-                        if (prop != NULL)
-                                boot_cpuid_phys = *prop;
+                                found = 1;
+                                break;
+                        }
                 }
+
+#ifdef CONFIG_SMP
+                /* logical cpu id is always 0 on UP kernels */
+                logical_cpuid++;
+#endif
+        }
+
+        if (found) {
+                DBG("boot cpu: logical %d physical %d\n", logical_cpuid,
+                        intserv[i]);
+                boot_cpuid = logical_cpuid;
+                set_hard_smp_processor_id(boot_cpuid, intserv[i]);
         }
-        set_hard_smp_processor_id(0, boot_cpuid_phys);
 
 #ifdef CONFIG_ALTIVEC
         /* Check if we have a VMX and eventually update CPU features */
@@ -901,16 +970,10 @@ static int __init early_init_dt_scan_cpus(unsigned long node,
 #endif /* CONFIG_ALTIVEC */
 
 #ifdef CONFIG_PPC_PSERIES
-        /*
-         * Check for an SMT capable CPU and set the CPU feature. We do
-         * this by looking at the size of the ibm,ppc-interrupt-server#s
-         * property
-         */
-        prop = (u32 *)of_get_flat_dt_prop(node, "ibm,ppc-interrupt-server#s",
-                                       &size);
-        cur_cpu_spec->cpu_features &= ~CPU_FTR_SMT;
-        if (prop && ((size / sizeof(u32)) > 1))
+        if (nthreads > 1)
                 cur_cpu_spec->cpu_features |= CPU_FTR_SMT;
+        else
+                cur_cpu_spec->cpu_features &= ~CPU_FTR_SMT;
 #endif
 
         return 0;
@@ -919,7 +982,6 @@ static int __init early_init_dt_scan_cpus(unsigned long node,
 static int __init early_init_dt_scan_chosen(unsigned long node,
                                             const char *uname, int depth, void *data)
 {
-        u32 *prop;
         unsigned long *lprop;
         unsigned long l;
         char *p;
@@ -930,14 +992,6 @@ static int __init early_init_dt_scan_chosen(unsigned long node,
             (strcmp(uname, "chosen") != 0 && strcmp(uname, "chosen@0") != 0))
                 return 0;
 
-        /* get platform type */
-        prop = (u32 *)of_get_flat_dt_prop(node, "linux,platform", NULL);
-        if (prop == NULL)
-                return 0;
-#ifdef CONFIG_PPC_MULTIPLATFORM
-        _machine = *prop;
-#endif
-
 #ifdef CONFIG_PPC64
         /* check if iommu is forced on or off */
         if (of_get_flat_dt_prop(node, "linux,iommu-off", NULL) != NULL)
@@ -964,15 +1018,15 @@ static int __init early_init_dt_scan_chosen(unsigned long node,
          * set of RTAS infos now if available
          */
         {
-                u64 *basep, *entryp;
+                u64 *basep, *entryp, *sizep;
 
                 basep = of_get_flat_dt_prop(node, "linux,rtas-base", NULL);
                 entryp = of_get_flat_dt_prop(node, "linux,rtas-entry", NULL);
-                prop = of_get_flat_dt_prop(node, "linux,rtas-size", NULL);
-                if (basep && entryp && prop) {
+                sizep = of_get_flat_dt_prop(node, "linux,rtas-size", NULL);
+                if (basep && entryp && sizep) {
                         rtas.base = *basep;
                         rtas.entry = *entryp;
-                        rtas.size = *prop;
+                        rtas.size = *sizep;
                 }
         }
 #endif /* CONFIG_PPC_RTAS */
@@ -1001,25 +1055,13 @@ static int __init early_init_dt_scan_chosen(unsigned long node,
 
         if (strstr(cmd_line, "mem=")) {
                 char *p, *q;
-                unsigned long maxmem = 0;
 
                 for (q = cmd_line; (p = strstr(q, "mem=")) != 0; ) {
                         q = p + 4;
                         if (p > cmd_line && p[-1] != ' ')
                                 continue;
-                        maxmem = simple_strtoul(q, &q, 0);
-                        if (*q == 'k' || *q == 'K') {
-                                maxmem <<= 10;
-                                ++q;
-                        } else if (*q == 'm' || *q == 'M') {
-                                maxmem <<= 20;
-                                ++q;
-                        } else if (*q == 'g' || *q == 'G') {
-                                maxmem <<= 30;
-                                ++q;
-                        }
+                        memory_limit = memparse(q, &q);
                 }
-                memory_limit = maxmem;
         }
 
         /* break now */
@@ -1755,7 +1797,7 @@ static int of_finish_dynamic_node(struct device_node *node)
         /* We don't support that function on PowerMac, at least
          * not yet
          */
-        if (_machine == PLATFORM_POWERMAC)
+        if (machine_is(powermac))
                 return -ENODEV;
 
         /* fix up new node's linux_phandle field */
diff --git a/arch/powerpc/kernel/prom_init.c b/arch/powerpc/kernel/prom_init.c
index 813c2cd194c2..d66c5e77fcff 100644
--- a/arch/powerpc/kernel/prom_init.c
+++ b/arch/powerpc/kernel/prom_init.c
@@ -180,6 +180,16 @@ static unsigned long __initdata prom_tce_alloc_start;
 static unsigned long __initdata prom_tce_alloc_end;
 #endif
 
+/* Platforms codes are now obsolete in the kernel. Now only used within this
+ * file and ultimately gone too. Feel free to change them if you need, they
+ * are not shared with anything outside of this file anymore
+ */
+#define PLATFORM_PSERIES        0x0100
+#define PLATFORM_PSERIES_LPAR   0x0101
+#define PLATFORM_LPAR           0x0001
+#define PLATFORM_POWERMAC       0x0400
+#define PLATFORM_GENERIC        0x0500
+
 static int __initdata of_platform;
 
 static char __initdata prom_cmd_line[COMMAND_LINE_SIZE];
@@ -397,6 +407,11 @@ static void __init __attribute__((noreturn)) prom_panic(const char *reason)
         reason = PTRRELOC(reason);
 #endif
         prom_print(reason);
+        /* Do not call exit because it clears the screen on pmac
+         * it also causes some sort of double-fault on early pmacs */
+        if (RELOC(of_platform) == PLATFORM_POWERMAC)
+                asm("trap\n");
+
         /* ToDo: should put up an SRC here on p/iSeries */
         call_prom("exit", 0, 0);
 
@@ -1487,7 +1502,10 @@ static int __init prom_find_machine_type(void)
         int len, i = 0;
 #ifdef CONFIG_PPC64
         phandle rtas;
+        int x;
 #endif
+
+        /* Look for a PowerMac */
         len = prom_getprop(_prom->root, "compatible",
                            compat, sizeof(compat)-1);
         if (len > 0) {
@@ -1500,28 +1518,36 @@ static int __init prom_find_machine_type(void)
                         if (strstr(p, RELOC("Power Macintosh")) ||
                             strstr(p, RELOC("MacRISC")))
                                 return PLATFORM_POWERMAC;
-#ifdef CONFIG_PPC64
-                        if (strstr(p, RELOC("Momentum,Maple")))
-                                return PLATFORM_MAPLE;
-                        if (strstr(p, RELOC("IBM,CPB")))
-                                return PLATFORM_CELL;
-#endif
                         i += sl + 1;
                 }
         }
 #ifdef CONFIG_PPC64
+        /* If not a mac, try to figure out if it's an IBM pSeries or any other
+         * PAPR compliant platform. We assume it is if :
+         *  - /device_type is "chrp" (please, do NOT use that for future
+         *    non-IBM designs !
+         *  - it has /rtas
+         */
+        len = prom_getprop(_prom->root, "model",
+                           compat, sizeof(compat)-1);
+        if (len <= 0)
+                return PLATFORM_GENERIC;
+        compat[len] = 0;
+        if (strcmp(compat, "chrp"))
+                return PLATFORM_GENERIC;
+
         /* Default to pSeries. We need to know if we are running LPAR */
         rtas = call_prom("finddevice", 1, 1, ADDR("/rtas"));
-        if (PHANDLE_VALID(rtas)) {
-                int x = prom_getproplen(rtas, "ibm,hypertas-functions");
-                if (x != PROM_ERROR) {
-                        prom_printf("Hypertas detected, assuming LPAR !\n");
-                        return PLATFORM_PSERIES_LPAR;
-                }
+        if (!PHANDLE_VALID(rtas))
+                return PLATFORM_GENERIC;
+        x = prom_getproplen(rtas, "ibm,hypertas-functions");
+        if (x != PROM_ERROR) {
+                prom_printf("Hypertas detected, assuming LPAR !\n");
+                return PLATFORM_PSERIES_LPAR;
         }
         return PLATFORM_PSERIES;
 #else
-        return PLATFORM_CHRP;
+        return PLATFORM_GENERIC;
 #endif
 }
 
@@ -2029,7 +2055,6 @@ unsigned long __init prom_init(unsigned long r3, unsigned long r4,
 {       
         struct prom_t *_prom;
         unsigned long hdr;
-        u32 getprop_rval;
         unsigned long offset = reloc_offset();
 
 #ifdef CONFIG_PPC32
@@ -2060,6 +2085,12 @@ unsigned long __init prom_init(unsigned long r3, unsigned long r4,
          */
         prom_init_stdout();
 
+        /*
+         * Get default machine type. At this point, we do not differentiate
+         * between pSeries SMP and pSeries LPAR
+         */
+        RELOC(of_platform) = prom_find_machine_type();
+
         /* Bail if this is a kdump kernel. */
         if (PHYSICAL_START > 0)
                 prom_panic("Error: You can't boot a kdump kernel from OF!\n");
@@ -2069,15 +2100,6 @@ unsigned long __init prom_init(unsigned long r3, unsigned long r4,
          */
         prom_check_initrd(r3, r4);
 
-        /*
-         * Get default machine type. At this point, we do not differentiate
-         * between pSeries SMP and pSeries LPAR
-         */
-        RELOC(of_platform) = prom_find_machine_type();
-        getprop_rval = RELOC(of_platform);
-        prom_setprop(_prom->chosen, "/chosen", "linux,platform",
-                     &getprop_rval, sizeof(getprop_rval));
-
 #ifdef CONFIG_PPC_PSERIES
         /*
          * On pSeries, inform the firmware about our capabilities
diff --git a/arch/powerpc/kernel/rtas-proc.c b/arch/powerpc/kernel/rtas-proc.c
index 1f03fb28cc0a..456286cf1d14 100644
--- a/arch/powerpc/kernel/rtas-proc.c
+++ b/arch/powerpc/kernel/rtas-proc.c
@@ -257,7 +257,7 @@ static int __init proc_rtas_init(void)
 {
         struct proc_dir_entry *entry;
 
-        if (_machine != PLATFORM_PSERIES && _machine != PLATFORM_PSERIES_LPAR)
+        if (!machine_is(pseries))
                 return 1;
 
         rtas_node = of_find_node_by_name(NULL, "rtas");
diff --git a/arch/powerpc/kernel/rtas.c b/arch/powerpc/kernel/rtas.c
index b5b2add7ad1e..06636c927a7e 100644
--- a/arch/powerpc/kernel/rtas.c
+++ b/arch/powerpc/kernel/rtas.c
@@ -25,6 +25,7 @@
 #include <asm/hvcall.h>
 #include <asm/semaphore.h>
 #include <asm/machdep.h>
+#include <asm/firmware.h>
 #include <asm/page.h>
 #include <asm/param.h>
 #include <asm/system.h>
@@ -32,6 +33,7 @@
 #include <asm/uaccess.h>
 #include <asm/lmb.h>
 #include <asm/udbg.h>
+#include <asm/syscalls.h>
 
 struct rtas_t rtas = {
         .lock = SPIN_LOCK_UNLOCKED
@@ -591,7 +593,7 @@ static void rtas_percpu_suspend_me(void *info)
                 data->waiting = 0;
                 data->args->args[data->args->nargs] =
                         rtas_call(ibm_suspend_me_token, 0, 1, NULL);
-                for_each_cpu(i)
+                for_each_possible_cpu(i)
                         plpar_hcall_norets(H_PROD,i);
         } else {
                 data->waiting = -EBUSY;
@@ -624,7 +626,7 @@ static int rtas_ibm_suspend_me(struct rtas_args *args)
         /* Prod each CPU.  This won't hurt, and will wake
          * anyone we successfully put to sleep with H_Join
          */
-        for_each_cpu(i)
+        for_each_possible_cpu(i)
                 plpar_hcall_norets(H_PROD, i);
 
         return data.waiting;
@@ -767,7 +769,7 @@ void __init rtas_initialize(void)
          * the stop-self token if any
          */
 #ifdef CONFIG_PPC64
-        if (_machine == PLATFORM_PSERIES_LPAR) {
+        if (machine_is(pseries) && firmware_has_feature(FW_FEATURE_LPAR)) {
                 rtas_region = min(lmb.rmo_size, RTAS_INSTANTIATE_MAX);
                 ibm_suspend_me_token = rtas_token("ibm,suspend-me");
         }
diff --git a/arch/powerpc/kernel/setup-common.c b/arch/powerpc/kernel/setup-common.c
index c1d62bf11f29..c607f3b9ca17 100644
--- a/arch/powerpc/kernel/setup-common.c
+++ b/arch/powerpc/kernel/setup-common.c
@@ -9,6 +9,9 @@
  *      as published by the Free Software Foundation; either version
  *      2 of the License, or (at your option) any later version.
  */
+
+#undef DEBUG
+
 #include <linux/config.h>
 #include <linux/module.h>
 #include <linux/string.h>
@@ -41,6 +44,7 @@
 #include <asm/time.h>
 #include <asm/cputable.h>
 #include <asm/sections.h>
+#include <asm/firmware.h>
 #include <asm/btext.h>
 #include <asm/nvram.h>
 #include <asm/setup.h>
@@ -56,8 +60,6 @@
 
 #include "setup.h"
 
-#undef DEBUG
-
 #ifdef DEBUG
 #include <asm/udbg.h>
 #define DBG(fmt...) udbg_printf(fmt)
@@ -65,10 +67,12 @@
 #define DBG(fmt...)
 #endif
 
-#ifdef CONFIG_PPC_MULTIPLATFORM
-int _machine = 0;
-EXPORT_SYMBOL(_machine);
-#endif
+/* The main machine-dep calls structure
+ */
+struct machdep_calls ppc_md;
+EXPORT_SYMBOL(ppc_md);
+struct machdep_calls *machine_id;
+EXPORT_SYMBOL(machine_id);
 
 unsigned long klimit = (unsigned long) _end;
 
@@ -168,7 +172,8 @@ static int show_cpuinfo(struct seq_file *m, void *v)
                            bogosum/(500000/HZ), bogosum/(5000/HZ) % 100);
 #endif /* CONFIG_SMP && CONFIG_PPC32 */
                 seq_printf(m, "timebase\t: %lu\n", ppc_tb_freq);
-
+                if (ppc_md.name)
+                        seq_printf(m, "platform\t: %s\n", ppc_md.name);
                 if (ppc_md.show_cpuinfo != NULL)
                         ppc_md.show_cpuinfo(m);
 
@@ -352,12 +357,13 @@ void __init check_for_initrd(void)
  * must be called before using this.
  *
  * While we're here, we may as well set the "physical" cpu ids in the paca.
+ *
+ * NOTE: This must match the parsing done in early_init_dt_scan_cpus.
  */
 void __init smp_setup_cpu_maps(void)
 {
         struct device_node *dn = NULL;
         int cpu = 0;
-        int swap_cpuid = 0;
 
         while ((dn = of_find_node_by_type(dn, "cpu")) && cpu < NR_CPUS) {
                 int *intserv;
@@ -376,30 +382,17 @@ void __init smp_setup_cpu_maps(void)
                 for (j = 0; j < nthreads && cpu < NR_CPUS; j++) {
                         cpu_set(cpu, cpu_present_map);
                         set_hard_smp_processor_id(cpu, intserv[j]);
-
-                        if (intserv[j] == boot_cpuid_phys)
-                                swap_cpuid = cpu;
                         cpu_set(cpu, cpu_possible_map);
                         cpu++;
                 }
         }
 
-        /* Swap CPU id 0 with boot_cpuid_phys, so we can always assume that
-         * boot cpu is logical 0.
-         */
-        if (boot_cpuid_phys != get_hard_smp_processor_id(0)) {
-                u32 tmp;
-                tmp = get_hard_smp_processor_id(0);
-                set_hard_smp_processor_id(0, boot_cpuid_phys);
-                set_hard_smp_processor_id(swap_cpuid, tmp);
-        }
-
 #ifdef CONFIG_PPC64
         /*
          * On pSeries LPAR, we need to know how many cpus
          * could possibly be added to this partition.
          */
-        if (_machine == PLATFORM_PSERIES_LPAR &&
+        if (machine_is(pseries) && firmware_has_feature(FW_FEATURE_LPAR) &&
             (dn = of_find_node_by_path("/rtas"))) {
                 int num_addr_cell, num_size_cell, maxcpus;
                 unsigned int *ireg;
@@ -438,7 +431,7 @@ void __init smp_setup_cpu_maps(void)
         /*
          * Do the sibling map; assume only two threads per processor.
          */
-        for_each_cpu(cpu) {
+        for_each_possible_cpu(cpu) {
                 cpu_set(cpu, cpu_sibling_map[cpu]);
                 if (cpu_has_feature(CPU_FTR_SMT))
                         cpu_set(cpu ^ 0x1, cpu_sibling_map[cpu]);
@@ -468,3 +461,34 @@ static int __init early_xmon(char *p)
 }
 early_param("xmon", early_xmon);
 #endif
+
+void probe_machine(void)
+{
+        extern struct machdep_calls __machine_desc_start;
+        extern struct machdep_calls __machine_desc_end;
+
+        /*
+         * Iterate all ppc_md structures until we find the proper
+         * one for the current machine type
+         */
+        DBG("Probing machine type ...\n");
+
+        for (machine_id = &__machine_desc_start;
+             machine_id < &__machine_desc_end;
+             machine_id++) {
+                DBG("  %s ...", machine_id->name);
+                memcpy(&ppc_md, machine_id, sizeof(struct machdep_calls));
+                if (ppc_md.probe()) {
+                        DBG(" match !\n");
+                        break;
+                }
+                DBG("\n");
+        }
+        /* What can we do if we didn't find ? */
+        if (machine_id >= &__machine_desc_end) {
+                DBG("No suitable machine found !\n");
+                for (;;);
+        }
+
+        printk(KERN_INFO "Using %s machine description\n", ppc_md.name);
+}
diff --git a/arch/powerpc/kernel/setup_32.c b/arch/powerpc/kernel/setup_32.c
index dc2770df25b3..a72bf5dceeee 100644
--- a/arch/powerpc/kernel/setup_32.c
+++ b/arch/powerpc/kernel/setup_32.c
@@ -53,9 +53,6 @@
 extern void platform_init(void);
 extern void bootx_init(unsigned long r4, unsigned long phys);
 
-extern void ppc6xx_idle(void);
-extern void power4_idle(void);
-
 boot_infos_t *boot_infos;
 struct ide_machdep_calls ppc_ide_md;
 
@@ -70,10 +67,6 @@ unsigned int DMA_MODE_WRITE;
 int have_of = 1;
 
 #ifdef CONFIG_PPC_MULTIPLATFORM
-extern void prep_init(void);
-extern void pmac_init(void);
-extern void chrp_init(void);
-
 dev_t boot_dev;
 #endif /* CONFIG_PPC_MULTIPLATFORM */
 
@@ -85,9 +78,6 @@ unsigned long SYSRQ_KEY = 0x54;
 unsigned long vgacon_remap_base;
 #endif
 
-struct machdep_calls ppc_md;
-EXPORT_SYMBOL(ppc_md);
-
 /*
  * These are used in binfmt_elf.c to put aux entries on the stack
  * for each elf executable being started.
@@ -111,7 +101,7 @@ unsigned long __init early_init(unsigned long dt_ptr)
 
         /* First zero the BSS -- use memset_io, some platforms don't have
          * caches on yet */
-        memset_io(PTRRELOC(&__bss_start), 0, _end - __bss_start);
+        memset_io((void __iomem *)PTRRELOC(&__bss_start), 0, _end - __bss_start);
 
         /*
          * Identify the CPU type and fix up code sections
@@ -123,48 +113,6 @@ unsigned long __init early_init(unsigned long dt_ptr)
         return KERNELBASE + offset;
 }
 
-#ifdef CONFIG_PPC_MULTIPLATFORM
-/*
- * The PPC_MULTIPLATFORM version of platform_init...
- */
-void __init platform_init(void)
-{
-        /* if we didn't get any bootinfo telling us what we are... */
-        if (_machine == 0) {
-                /* prep boot loader tells us if we're prep or not */
-                if ( *(unsigned long *)(KERNELBASE) == (0xdeadc0de) )
-                        _machine = _MACH_prep;
-        }
-
-#ifdef CONFIG_PPC_PREP
-        /* not much more to do here, if prep */
-        if (_machine == _MACH_prep) {
-                prep_init();
-                return;
-        }
-#endif
-
-#ifdef CONFIG_ADB
-        if (strstr(cmd_line, "adb_sync")) {
-                extern int __adb_probe_sync;
-                __adb_probe_sync = 1;
-        }
-#endif /* CONFIG_ADB */
-
-        switch (_machine) {
-#ifdef CONFIG_PPC_PMAC
-        case _MACH_Pmac:
-                pmac_init();
-                break;
-#endif
-#ifdef CONFIG_PPC_CHRP
-        case _MACH_chrp:
-                chrp_init();
-                break;
-#endif
-        }
-}
-#endif
 
 /*
  * Find out what kind of machine we're on and save any data we need
@@ -190,11 +138,17 @@ void __init machine_init(unsigned long dt_ptr, unsigned long phys)
                 strlcpy(cmd_line, CONFIG_CMDLINE, sizeof(cmd_line));
 #endif /* CONFIG_CMDLINE */
 
-        /* Base init based on machine type */
+#ifdef CONFIG_PPC_MULTIPLATFORM
+        probe_machine();
+#else
+        /* Base init based on machine type. Obsoloete, please kill ! */
         platform_init();
+#endif
 
 #ifdef CONFIG_6xx
-        ppc_md.power_save = ppc6xx_idle;
+        if (cpu_has_feature(CPU_FTR_CAN_DOZE) ||
+            cpu_has_feature(CPU_FTR_CAN_NAP))
+                ppc_md.power_save = ppc6xx_idle;
 #endif
 
         if (ppc_md.progress)
@@ -272,7 +226,7 @@ int __init ppc_init(void)
         if ( ppc_md.progress ) ppc_md.progress("             ", 0xffff);
 
         /* register CPU devices */
-        for_each_cpu(i)
+        for_each_possible_cpu(i)
                 register_cpu(&cpu_devices[i], i, NULL);
 
         /* call platform init */
@@ -352,12 +306,6 @@ void __init setup_arch(char **cmdline_p)
         do_init_bootmem();
         if ( ppc_md.progress ) ppc_md.progress("setup_arch: bootmem", 0x3eab);
 
-#ifdef CONFIG_PPC_OCP
-        /* Initialize OCP device list */
-        ocp_early_init();
-        if ( ppc_md.progress ) ppc_md.progress("ocp: exit", 0x3eab);
-#endif
-
 #ifdef CONFIG_DUMMY_CONSOLE
         conswitchp = &dummy_con;
 #endif
@@ -366,7 +314,4 @@ void __init setup_arch(char **cmdline_p)
         if ( ppc_md.progress ) ppc_md.progress("arch: exit", 0x3eab);
 
         paging_init();
-
-        /* this is for modules since _machine can be a define -- Cort */
-        ppc_md.ppc_machine = _machine;
 }
diff --git a/arch/powerpc/kernel/setup_64.c b/arch/powerpc/kernel/setup_64.c
index e20c1fae3423..59aa92cd6fa4 100644
--- a/arch/powerpc/kernel/setup_64.c
+++ b/arch/powerpc/kernel/setup_64.c
@@ -73,7 +73,6 @@
 
 int have_of = 1;
 int boot_cpuid = 0;
-int boot_cpuid_phys = 0;
 dev_t boot_dev;
 u64 ppc64_pft_size;
 
@@ -96,11 +95,6 @@ int dcache_bsize;
 int icache_bsize;
 int ucache_bsize;
 
-/* The main machine-dep calls structure
- */
-struct machdep_calls ppc_md;
-EXPORT_SYMBOL(ppc_md);
-
 #ifdef CONFIG_MAGIC_SYSRQ
 unsigned long SYSRQ_KEY;
 #endif /* CONFIG_MAGIC_SYSRQ */
@@ -161,32 +155,6 @@ early_param("smt-enabled", early_smt_enabled);
 #define check_smt_enabled()
 #endif /* CONFIG_SMP */
 
-extern struct machdep_calls pSeries_md;
-extern struct machdep_calls pmac_md;
-extern struct machdep_calls maple_md;
-extern struct machdep_calls cell_md;
-extern struct machdep_calls iseries_md;
-
-/* Ultimately, stuff them in an elf section like initcalls... */
-static struct machdep_calls __initdata *machines[] = {
-#ifdef CONFIG_PPC_PSERIES
-        &pSeries_md,
-#endif /* CONFIG_PPC_PSERIES */
-#ifdef CONFIG_PPC_PMAC
-        &pmac_md,
-#endif /* CONFIG_PPC_PMAC */
-#ifdef CONFIG_PPC_MAPLE
-        &maple_md,
-#endif /* CONFIG_PPC_MAPLE */
-#ifdef CONFIG_PPC_CELL
-        &cell_md,
-#endif
-#ifdef CONFIG_PPC_ISERIES
-        &iseries_md,
-#endif
-        NULL
-};
-
 /*
  * Early initialization entry point. This is called by head.S
  * with MMU translation disabled. We rely on the "feature" of
@@ -208,13 +176,10 @@ static struct machdep_calls __initdata *machines[] = {
 
 void __init early_setup(unsigned long dt_ptr)
 {
-        struct paca_struct *lpaca = get_paca();
-        static struct machdep_calls **mach;
-
         /* Enable early debugging if any specified (see udbg.h) */
         udbg_early_init();
 
-        DBG(" -> early_setup()\n");
+        DBG(" -> early_setup(), dt_ptr: 0x%lx\n", dt_ptr);
 
         /*
          * Do early initializations using the flattened device
@@ -223,22 +188,16 @@ void __init early_setup(unsigned long dt_ptr)
          */
         early_init_devtree(__va(dt_ptr));
 
-        /*
-         * Iterate all ppc_md structures until we find the proper
-         * one for the current machine type
-         */
-        DBG("Probing machine type for platform %x...\n", _machine);
+        /* Now we know the logical id of our boot cpu, setup the paca. */
+        setup_boot_paca();
 
-        for (mach = machines; *mach; mach++) {
-                if ((*mach)->probe(_machine))
-                        break;
-        }
-        /* What can we do if we didn't find ? */
-        if (*mach == NULL) {
-                DBG("No suitable machine found !\n");
-                for (;;);
-        }
-        ppc_md = **mach;
+        /* Fix up paca fields required for the boot cpu */
+        get_paca()->cpu_start = 1;
+        get_paca()->stab_real = __pa((u64)&initial_stab);
+        get_paca()->stab_addr = (u64)&initial_stab;
+
+        /* Probe the machine type */
+        probe_machine();
 
 #ifdef CONFIG_CRASH_DUMP
         kdump_setup();
@@ -260,7 +219,7 @@ void __init early_setup(unsigned long dt_ptr)
                 if (cpu_has_feature(CPU_FTR_SLB))
                         slb_initialize();
                 else
-                        stab_initialize(lpaca->stab_real);
+                        stab_initialize(get_paca()->stab_real);
         }
 
         DBG(" <- early_setup()\n");
@@ -340,7 +299,7 @@ static void __init initialize_cache_info(void)
                         const char *dc, *ic;
 
                         /* Then read cache informations */
-                        if (_machine == PLATFORM_POWERMAC) {
+                        if (machine_is(powermac)) {
                                 dc = "d-cache-block-size";
                                 ic = "i-cache-block-size";
                         } else {
@@ -484,7 +443,6 @@ void __init setup_system(void)
         printk("ppc64_pft_size                = 0x%lx\n", ppc64_pft_size);
         printk("ppc64_interrupt_controller    = 0x%ld\n",
                ppc64_interrupt_controller);
-        printk("platform                      = 0x%x\n", _machine);
         printk("physicalMemorySize            = 0x%lx\n", lmb_phys_mem_size());
         printk("ppc64_caches.dcache_line_size = 0x%x\n",
                ppc64_caches.dline_size);
@@ -516,7 +474,7 @@ static void __init irqstack_early_init(void)
          * interrupt stacks must be under 256MB, we cannot afford to take
          * SLB misses on them.
          */
-        for_each_cpu(i) {
+        for_each_possible_cpu(i) {
                 softirq_ctx[i] = (struct thread_info *)
                         __va(lmb_alloc_base(THREAD_SIZE,
                                             THREAD_SIZE, 0x10000000));
@@ -549,7 +507,7 @@ static void __init emergency_stack_init(void)
          */
         limit = min(0x10000000UL, lmb.rmo_size);
 
-        for_each_cpu(i)
+        for_each_possible_cpu(i)
                 paca[i].emergency_sp =
                 __va(lmb_alloc_base(HW_PAGE_SIZE, 128, limit)) + HW_PAGE_SIZE;
 }
@@ -602,12 +560,6 @@ void __init setup_arch(char **cmdline_p)
 
         ppc_md.setup_arch();
 
-        /* Use the default idle loop if the platform hasn't provided one. */
-        if (NULL == ppc_md.idle_loop) {
-                ppc_md.idle_loop = default_idle;
-                printk(KERN_INFO "Using default idle loop\n");
-        }
-
         paging_init();
         ppc64_boot_msg(0x15, "Setup Done");
 }
@@ -672,7 +624,7 @@ void __init setup_per_cpu_areas(void)
                 size = PERCPU_ENOUGH_ROOM;
 #endif
 
-        for_each_cpu(i) {
+        for_each_possible_cpu(i) {
                 ptr = alloc_bootmem_node(NODE_DATA(cpu_to_node(i)), size);
                 if (!ptr)
                         panic("Cannot allocate cpu data for CPU %d\n", i);
diff --git a/arch/powerpc/kernel/signal_32.c b/arch/powerpc/kernel/signal_32.c
index d7a4e814974d..01e3c08cb550 100644
--- a/arch/powerpc/kernel/signal_32.c
+++ b/arch/powerpc/kernel/signal_32.c
@@ -42,6 +42,7 @@
 
 #include <asm/uaccess.h>
 #include <asm/cacheflush.h>
+#include <asm/syscalls.h>
 #include <asm/sigcontext.h>
 #include <asm/vdso.h>
 #ifdef CONFIG_PPC64
diff --git a/arch/powerpc/kernel/signal_64.c b/arch/powerpc/kernel/signal_64.c
index 47f910380a6a..27f65b95184d 100644
--- a/arch/powerpc/kernel/signal_64.c
+++ b/arch/powerpc/kernel/signal_64.c
@@ -33,6 +33,7 @@
 #include <asm/pgtable.h>
 #include <asm/unistd.h>
 #include <asm/cacheflush.h>
+#include <asm/syscalls.h>
 #include <asm/vdso.h>
 
 #define DEBUG_SIG 0
@@ -211,7 +212,7 @@ static inline void __user * get_sigframe(struct k_sigaction *ka, struct pt_regs
         /* Default to using normal stack */
         newsp = regs->gpr[1];
 
-        if (ka->sa.sa_flags & SA_ONSTACK) {
+        if ((ka->sa.sa_flags & SA_ONSTACK) && current->sas_ss_size) {
                 if (! on_sig_stack(regs->gpr[1]))
                         newsp = (current->sas_ss_sp + current->sas_ss_size);
         }
diff --git a/arch/powerpc/kernel/smp.c b/arch/powerpc/kernel/smp.c
index 805eaedbc308..530f7dba0bd2 100644
--- a/arch/powerpc/kernel/smp.c
+++ b/arch/powerpc/kernel/smp.c
@@ -362,7 +362,7 @@ void __init smp_prepare_cpus(unsigned int max_cpus)
  
         smp_space_timers(max_cpus);
 
-        for_each_cpu(cpu)
+        for_each_possible_cpu(cpu)
                 if (cpu != boot_cpuid)
                         smp_create_idle(cpu);
 }
diff --git a/arch/ppc/kernel/swsusp.S b/arch/powerpc/kernel/swsusp_32.S
index 69773cc1a85f..69773cc1a85f 100644
--- a/arch/ppc/kernel/swsusp.S
+++ b/arch/powerpc/kernel/swsusp_32.S
diff --git a/arch/powerpc/kernel/syscalls.c b/arch/powerpc/kernel/syscalls.c
index ad895c99813b..9b69d99a9103 100644
--- a/arch/powerpc/kernel/syscalls.c
+++ b/arch/powerpc/kernel/syscalls.c
@@ -40,6 +40,7 @@
 #include <asm/uaccess.h>
 #include <asm/ipc.h>
 #include <asm/semaphore.h>
+#include <asm/syscalls.h>
 #include <asm/time.h>
 #include <asm/unistd.h>
 
diff --git a/arch/powerpc/kernel/sysfs.c b/arch/powerpc/kernel/sysfs.c
index 0f0c3a9ae2e5..73560ef6f802 100644
--- a/arch/powerpc/kernel/sysfs.c
+++ b/arch/powerpc/kernel/sysfs.c
@@ -65,20 +65,20 @@ static int __init smt_setup(void)
         unsigned int cpu;
 
         if (!cpu_has_feature(CPU_FTR_SMT))
-                return 1;
+                return -ENODEV;
 
         options = find_path_device("/options");
         if (!options)
-                return 1;
+                return -ENODEV;
 
         val = (unsigned int *)get_property(options, "ibm,smt-snooze-delay",
                                            NULL);
         if (!smt_snooze_cmdline && val) {
-                for_each_cpu(cpu)
+                for_each_possible_cpu(cpu)
                         per_cpu(smt_snooze_delay, cpu) = *val;
         }
 
-        return 1;
+        return 0;
 }
 __initcall(smt_setup);
 
@@ -93,7 +93,7 @@ static int __init setup_smt_snooze_delay(char *str)
         smt_snooze_cmdline = 1;
 
         if (get_option(&str, &snooze)) {
-                for_each_cpu(cpu)
+                for_each_possible_cpu(cpu)
                         per_cpu(smt_snooze_delay, cpu) = snooze;
         }
 
@@ -347,7 +347,7 @@ static int __init topology_init(void)
 
         register_cpu_notifier(&sysfs_cpu_nb);
 
-        for_each_cpu(cpu) {
+        for_each_possible_cpu(cpu) {
                 struct cpu *c = &per_cpu(cpu_devices, cpu);
 
 #ifdef CONFIG_NUMA
diff --git a/arch/ppc/kernel/temp.c b/arch/powerpc/kernel/tau_6xx.c
index 26bd8ea35a4e..26bd8ea35a4e 100644
--- a/arch/ppc/kernel/temp.c
+++ b/arch/powerpc/kernel/tau_6xx.c
diff --git a/arch/powerpc/kernel/time.c b/arch/powerpc/kernel/time.c
index 4a27218a086c..24e3ad756de0 100644
--- a/arch/powerpc/kernel/time.c
+++ b/arch/powerpc/kernel/time.c
@@ -261,7 +261,7 @@ void snapshot_timebases(void)
 
         if (!cpu_has_feature(CPU_FTR_PURR))
                 return;
-        for_each_cpu(cpu)
+        for_each_possible_cpu(cpu)
                 spin_lock_init(&per_cpu(cpu_purr_data, cpu).lock);
         on_each_cpu(snapshot_tb_and_purr, NULL, 0, 1);
 }
@@ -751,7 +751,7 @@ void __init smp_space_timers(unsigned int max_cpus)
          * systems works better if the two threads' timebase interrupts
          * are staggered by half a jiffy with respect to each other.
          */
-        for_each_cpu(i) {
+        for_each_possible_cpu(i) {
                 if (i == boot_cpuid)
                         continue;
                 if (i == (boot_cpuid ^ 1))
diff --git a/arch/powerpc/kernel/traps.c b/arch/powerpc/kernel/traps.c
index 9763faab6739..4cbde211eb69 100644
--- a/arch/powerpc/kernel/traps.c
+++ b/arch/powerpc/kernel/traps.c
@@ -97,7 +97,6 @@ static DEFINE_SPINLOCK(die_lock);
 int die(const char *str, struct pt_regs *regs, long err)
 {
         static int die_counter, crash_dump_start = 0;
-        int nl = 0;
 
         if (debugger(regs))
                 return 1;
@@ -106,7 +105,7 @@ int die(const char *str, struct pt_regs *regs, long err)
         spin_lock_irq(&die_lock);
         bust_spinlocks(1);
 #ifdef CONFIG_PMAC_BACKLIGHT
-        if (_machine == _MACH_Pmac) {
+        if (machine_is(powermac)) {
                 set_backlight_enable(1);
                 set_backlight_level(BACKLIGHT_MAX);
         }
@@ -114,46 +113,18 @@ int die(const char *str, struct pt_regs *regs, long err)
         printk("Oops: %s, sig: %ld [#%d]\n", str, err, ++die_counter);
 #ifdef CONFIG_PREEMPT
         printk("PREEMPT ");
-        nl = 1;
 #endif
 #ifdef CONFIG_SMP
         printk("SMP NR_CPUS=%d ", NR_CPUS);
-        nl = 1;
 #endif
 #ifdef CONFIG_DEBUG_PAGEALLOC
         printk("DEBUG_PAGEALLOC ");
-        nl = 1;
 #endif
 #ifdef CONFIG_NUMA
         printk("NUMA ");
-        nl = 1;
 #endif
-#ifdef CONFIG_PPC64
-        switch (_machine) {
-        case PLATFORM_PSERIES:
-                printk("PSERIES ");
-                nl = 1;
-                break;
-        case PLATFORM_PSERIES_LPAR:
-                printk("PSERIES LPAR ");
-                nl = 1;
-                break;
-        case PLATFORM_ISERIES_LPAR:
-                printk("ISERIES LPAR ");
-                nl = 1;
-                break;
-        case PLATFORM_POWERMAC:
-                printk("POWERMAC ");
-                nl = 1;
-                break;
-        case PLATFORM_CELL:
-                printk("CELL ");
-                nl = 1;
-                break;
-        }
-#endif
-        if (nl)
-                printk("\n");
+        printk("%s\n", ppc_md.name ? "" : ppc_md.name);
+
         print_modules();
         show_regs(regs);
         bust_spinlocks(0);
diff --git a/arch/powerpc/kernel/vdso.c b/arch/powerpc/kernel/vdso.c
index ec8370368423..573afb68d69e 100644
--- a/arch/powerpc/kernel/vdso.c
+++ b/arch/powerpc/kernel/vdso.c
@@ -33,6 +33,7 @@
 #include <asm/machdep.h>
 #include <asm/cputable.h>
 #include <asm/sections.h>
+#include <asm/firmware.h>
 #include <asm/vdso.h>
 #include <asm/vdso_datapage.h>
 
@@ -667,7 +668,13 @@ void __init vdso_init(void)
         vdso_data->version.major = SYSTEMCFG_MAJOR;
         vdso_data->version.minor = SYSTEMCFG_MINOR;
         vdso_data->processor = mfspr(SPRN_PVR);
-        vdso_data->platform = _machine;
+        /*
+         * Fake the old platform number for pSeries and iSeries and add
+         * in LPAR bit if necessary
+         */
+        vdso_data->platform = machine_is(iseries) ? 0x200 : 0x100;
+        if (firmware_has_feature(FW_FEATURE_LPAR))
+                vdso_data->platform |= 1;
         vdso_data->physicalMemorySize = lmb_phys_mem_size();
         vdso_data->dcache_size = ppc64_caches.dsize;
         vdso_data->dcache_line_size = ppc64_caches.dline_size;
diff --git a/arch/powerpc/kernel/vmlinux.lds.S b/arch/powerpc/kernel/vmlinux.lds.S
index 7fa7b15fd8e6..fe79c2584cb0 100644
--- a/arch/powerpc/kernel/vmlinux.lds.S
+++ b/arch/powerpc/kernel/vmlinux.lds.S
@@ -1,9 +1,11 @@
 #include <linux/config.h>
 #ifdef CONFIG_PPC64
 #include <asm/page.h>
+#define PROVIDE32(x)    PROVIDE(__unused__##x)
 #else
 #define PAGE_SIZE       4096
 #define KERNELBASE      CONFIG_KERNEL_START
+#define PROVIDE32(x)    PROVIDE(x)
 #endif
 #include <asm-generic/vmlinux.lds.h>
 
@@ -18,43 +20,42 @@ jiffies = jiffies_64 + 4;
 #endif
 SECTIONS
 {
-  /* Sections to be discarded. */
-  /DISCARD/ : {
-    *(.exitcall.exit)
-    *(.exit.data)
-  }
-
-  . = KERNELBASE;
-
-  /* Read-only sections, merged into text segment: */
-  .text : {
-    *(.text .text.*)
-    SCHED_TEXT
-    LOCK_TEXT
-    KPROBES_TEXT
-    *(.fixup)
-#ifdef CONFIG_PPC32
-    *(.got1)
-    __got2_start = .;
-    *(.got2)
-    __got2_end = .;
-#else
-    . = ALIGN(PAGE_SIZE);
-    _etext = .;
-#endif
-  }
-#ifdef CONFIG_PPC32
-  _etext = .;
-  PROVIDE (etext = .);
+        /* Sections to be discarded. */
+        /DISCARD/ : {
+        *(.exitcall.exit)
+        *(.exit.data)
+        }
 
-  RODATA
-  .fini      : { *(.fini)    } =0
-  .ctors     : { *(.ctors)   }
-  .dtors     : { *(.dtors)   }
+        . = KERNELBASE;
 
-  .fixup   : { *(.fixup) }
-#endif
+/*
+ * Text, read only data and other permanent read-only sections
+ */
+
+        /* Text and gots */
+        .text : {
+                *(.text .text.*)
+                SCHED_TEXT
+                LOCK_TEXT
+                KPROBES_TEXT
+                *(.fixup)
 
+#ifdef CONFIG_PPC32
+                *(.got1)
+                __got2_start = .;
+                *(.got2)
+                __got2_end = .;
+#endif /* CONFIG_PPC32 */
+
+                . = ALIGN(PAGE_SIZE);
+                _etext = .;
+                PROVIDE32 (etext = .);
+        }
+
+        /* Read-only data */
+        RODATA
+
+        /* Exception & bug tables */
         __ex_table : {
                 __start___ex_table = .;
                 *(__ex_table)
@@ -67,192 +68,172 @@ SECTIONS
                 __stop___bug_table = .;
         }
 
-#ifdef CONFIG_PPC64
+/*
+ * Init sections discarded at runtime
+ */
+        . = ALIGN(PAGE_SIZE);
+        __init_begin = .;
+
+        .init.text : {
+                _sinittext = .;
+                *(.init.text)
+                _einittext = .;
+        }
+
+        /* .exit.text is discarded at runtime, not link time,
+         * to deal with references from __bug_table
+         */
+        .exit.text : { *(.exit.text) }
+
+        .init.data : {
+                *(.init.data);
+                __vtop_table_begin = .;
+                *(.vtop_fixup);
+                __vtop_table_end = .;
+                __ptov_table_begin = .;
+                *(.ptov_fixup);
+                __ptov_table_end = .;
+        }
+
+        . = ALIGN(16);
+        .init.setup : {
+                __setup_start = .;
+                *(.init.setup)
+                __setup_end = .;
+        }
+
+        .initcall.init : {
+                __initcall_start = .;
+                *(.initcall1.init)
+                *(.initcall2.init)
+                *(.initcall3.init)
+                *(.initcall4.init)
+                *(.initcall5.init)
+                *(.initcall6.init)
+                *(.initcall7.init)
+                __initcall_end = .;
+                }
+
+        .con_initcall.init : {
+                __con_initcall_start = .;
+                *(.con_initcall.init)
+                __con_initcall_end = .;
+        }
+
+        SECURITY_INIT
+
+        . = ALIGN(8);
         __ftr_fixup : {
                 __start___ftr_fixup = .;
                 *(__ftr_fixup)
                 __stop___ftr_fixup = .;
         }
 
-  RODATA
-#endif
+        . = ALIGN(PAGE_SIZE);
+        .init.ramfs : {
+                __initramfs_start = .;
+                *(.init.ramfs)
+                __initramfs_end = .;
+        }
 
 #ifdef CONFIG_PPC32
-  /* Read-write section, merged into data segment: */
-  . = ALIGN(PAGE_SIZE);
-  _sdata = .;
-  .data    :
-  {
-    *(.data)
-    *(.data1)
-    *(.sdata)
-    *(.sdata2)
-    *(.got.plt) *(.got)
-    *(.dynamic)
-    CONSTRUCTORS
-  }
-
-  . = ALIGN(PAGE_SIZE);
-  __nosave_begin = .;
-  .data_nosave : { *(.data.nosave) }
-  . = ALIGN(PAGE_SIZE);
-  __nosave_end = .;
-
-  . = ALIGN(32);
-  .data.cacheline_aligned : { *(.data.cacheline_aligned) }
-
-  _edata  =  .;
-  PROVIDE (edata = .);
-
-  . = ALIGN(8192);
-  .data.init_task : { *(.data.init_task) }
+        . = ALIGN(32);
+#else
+        . = ALIGN(128);
 #endif
+        .data.percpu : {
+                __per_cpu_start = .;
+                *(.data.percpu)
+                __per_cpu_end = .;
+        }
 
-  /* will be freed after init */
-  . = ALIGN(PAGE_SIZE);
-  __init_begin = .;
-  .init.text : {
-        _sinittext = .;
-        *(.init.text)
-        _einittext = .;
-  }
-#ifdef CONFIG_PPC32
-  /* .exit.text is discarded at runtime, not link time,
-     to deal with references from __bug_table */
-  .exit.text : { *(.exit.text) }
-#endif
-  .init.data : {
-    *(.init.data);
-    __vtop_table_begin = .;
-    *(.vtop_fixup);
-    __vtop_table_end = .;
-    __ptov_table_begin = .;
-    *(.ptov_fixup);
-    __ptov_table_end = .;
-  }
-
-  . = ALIGN(16);
-  .init.setup : {
-    __setup_start = .;
-    *(.init.setup)
-    __setup_end = .;
-  }
-
-  .initcall.init : {
-        __initcall_start = .;
-        *(.initcall1.init)
-        *(.initcall2.init)
-        *(.initcall3.init)
-        *(.initcall4.init)
-        *(.initcall5.init)
-        *(.initcall6.init)
-        *(.initcall7.init)
-        __initcall_end = .;
-  }
-
-  .con_initcall.init : {
-    __con_initcall_start = .;
-    *(.con_initcall.init)
-    __con_initcall_end = .;
-  }
-
-  SECURITY_INIT
+        . = ALIGN(8);
+        .machine.desc : {
+                __machine_desc_start = . ;
+                *(.machine.desc)
+                __machine_desc_end = . ;
+        }
+
+        /* freed after init ends here */
+        . = ALIGN(PAGE_SIZE);
+        __init_end = .;
+
+/*
+ * And now the various read/write data
+ */
+
+        . = ALIGN(PAGE_SIZE);
+        _sdata = .;
 
 #ifdef CONFIG_PPC32
-  __start___ftr_fixup = .;
-  __ftr_fixup : { *(__ftr_fixup) }
-  __stop___ftr_fixup = .;
+        .data    :
+        {
+                *(.data)
+                *(.sdata)
+                *(.got.plt) *(.got)
+        }
 #else
-  . = ALIGN(PAGE_SIZE);
-  .init.ramfs : {
-    __initramfs_start = .;
-    *(.init.ramfs)
-    __initramfs_end = .;
-  }
-#endif
+        .data : {
+                *(.data .data.rel* .toc1)
+                *(.branch_lt)
+        }
 
-#ifdef CONFIG_PPC32
-  . = ALIGN(32);
+        .opd : {
+                *(.opd)
+        }
+
+        .got : {
+                __toc_start = .;
+                *(.got)
+                *(.toc)
+        }
 #endif
-  .data.percpu : {
-    __per_cpu_start = .;
-    *(.data.percpu)
-    __per_cpu_end = .;
-  }
 
- . = ALIGN(PAGE_SIZE);
-#ifdef CONFIG_PPC64
- . = ALIGN(16384);
- __init_end = .;
- /* freed after init ends here */
-
- /* Read/write sections */
- . = ALIGN(PAGE_SIZE);
- . = ALIGN(16384);
- _sdata = .;
- /* The initial task and kernel stack */
- .data.init_task : {
-      *(.data.init_task)
-      }
-
- . = ALIGN(PAGE_SIZE);
- .data.page_aligned : {
-      *(.data.page_aligned)
-      }
-
- .data.cacheline_aligned : {
-      *(.data.cacheline_aligned)
-      }
-
- .data : {
-      *(.data .data.rel* .toc1)
-      *(.branch_lt)
-      }
-
- .opd : {
-      *(.opd)
-      }
-
- .got : {
-      __toc_start = .;
-      *(.got)
-      *(.toc)
-      . = ALIGN(PAGE_SIZE);
-      _edata = .;
-      }
-
-  . = ALIGN(PAGE_SIZE);
+        . = ALIGN(PAGE_SIZE);
+        _edata  =  .;
+        PROVIDE32 (edata = .);
+
+        /* The initial task and kernel stack */
+#ifdef CONFIG_PPC32
+        . = ALIGN(8192);
 #else
-  __initramfs_start = .;
-  .init.ramfs : {
-    *(.init.ramfs)
-  }
-  __initramfs_end = .;
+        . = ALIGN(16384);
+#endif
+        .data.init_task : {
+                *(.data.init_task)
+        }
 
-  . = ALIGN(4096);
-  __init_end = .;
+        . = ALIGN(PAGE_SIZE);
+        .data.page_aligned : {
+                *(.data.page_aligned)
+        }
 
-  . = ALIGN(4096);
-  _sextratext = .;
-  _eextratext = .;
+        .data.cacheline_aligned : {
+                *(.data.cacheline_aligned)
+        }
 
-  __bss_start = .;
-#endif
+        . = ALIGN(PAGE_SIZE);
+        __data_nosave : {
+                __nosave_begin = .;
+                *(.data.nosave)
+                . = ALIGN(PAGE_SIZE);
+                __nosave_end = .;
+        }
 
-  .bss : {
-    __bss_start = .;
-   *(.sbss) *(.scommon)
-   *(.dynbss)
-   *(.bss)
-   *(COMMON)
-  __bss_stop = .;
-  }
+/*
+ * And finally the bss
+ */
+
+        .bss : {
+                __bss_start = .;
+                *(.sbss) *(.scommon)
+                *(.dynbss)
+                *(.bss)
+                *(COMMON)
+                __bss_stop = .;
+        }
 
-#ifdef CONFIG_PPC64
-  . = ALIGN(PAGE_SIZE);
-#endif
-  _end = . ;
-#ifdef CONFIG_PPC32
-  PROVIDE (end = .);
-#endif
+        . = ALIGN(PAGE_SIZE);
+        _end = . ;
+        PROVIDE32 (end = .);
 }
diff --git a/arch/powerpc/lib/sstep.c b/arch/powerpc/lib/sstep.c
index 666c2aa55016..c251d9936612 100644
--- a/arch/powerpc/lib/sstep.c
+++ b/arch/powerpc/lib/sstep.c
@@ -18,7 +18,7 @@ extern char system_call_common[];
 
 #ifdef CONFIG_PPC64
 /* Bits in SRR1 that are copied from MSR */
-#define MSR_MASK        0xffffffff87c0ffff
+#define MSR_MASK        0xffffffff87c0ffffUL
 #else
 #define MSR_MASK        0x87c0ffff
 #endif
diff --git a/arch/ppc/math-emu/Makefile b/arch/powerpc/math-emu/Makefile
index 754143e8936b..754143e8936b 100644
--- a/arch/ppc/math-emu/Makefile
+++ b/arch/powerpc/math-emu/Makefile
diff --git a/arch/ppc/math-emu/double.h b/arch/powerpc/math-emu/double.h
index ffba8b67f059..ffba8b67f059 100644
--- a/arch/ppc/math-emu/double.h
+++ b/arch/powerpc/math-emu/double.h
diff --git a/arch/ppc/math-emu/fabs.c b/arch/powerpc/math-emu/fabs.c
index 41f0617f3d3a..41f0617f3d3a 100644
--- a/arch/ppc/math-emu/fabs.c
+++ b/arch/powerpc/math-emu/fabs.c
diff --git a/arch/ppc/math-emu/fadd.c b/arch/powerpc/math-emu/fadd.c
index fc8836488b64..fc8836488b64 100644
--- a/arch/ppc/math-emu/fadd.c
+++ b/arch/powerpc/math-emu/fadd.c
diff --git a/arch/ppc/math-emu/fadds.c b/arch/powerpc/math-emu/fadds.c
index 93025b6c8f3c..93025b6c8f3c 100644
--- a/arch/ppc/math-emu/fadds.c
+++ b/arch/powerpc/math-emu/fadds.c
diff --git a/arch/ppc/math-emu/fcmpo.c b/arch/powerpc/math-emu/fcmpo.c
index 4efac394b4cb..4efac394b4cb 100644
--- a/arch/ppc/math-emu/fcmpo.c
+++ b/arch/powerpc/math-emu/fcmpo.c
diff --git a/arch/ppc/math-emu/fcmpu.c b/arch/powerpc/math-emu/fcmpu.c
index b7e33176e618..b7e33176e618 100644
--- a/arch/ppc/math-emu/fcmpu.c
+++ b/arch/powerpc/math-emu/fcmpu.c
diff --git a/arch/ppc/math-emu/fctiw.c b/arch/powerpc/math-emu/fctiw.c
index 3b3c98b840cf..3b3c98b840cf 100644
--- a/arch/ppc/math-emu/fctiw.c
+++ b/arch/powerpc/math-emu/fctiw.c
diff --git a/arch/ppc/math-emu/fctiwz.c b/arch/powerpc/math-emu/fctiwz.c
index 7717eb6fcfb6..7717eb6fcfb6 100644
--- a/arch/ppc/math-emu/fctiwz.c
+++ b/arch/powerpc/math-emu/fctiwz.c
diff --git a/arch/ppc/math-emu/fdiv.c b/arch/powerpc/math-emu/fdiv.c
index f2fba825b2d0..f2fba825b2d0 100644
--- a/arch/ppc/math-emu/fdiv.c
+++ b/arch/powerpc/math-emu/fdiv.c
diff --git a/arch/ppc/math-emu/fdivs.c b/arch/powerpc/math-emu/fdivs.c
index b971196e3175..b971196e3175 100644
--- a/arch/ppc/math-emu/fdivs.c
+++ b/arch/powerpc/math-emu/fdivs.c
diff --git a/arch/ppc/math-emu/fmadd.c b/arch/powerpc/math-emu/fmadd.c
index 0a1dbce793e9..0a1dbce793e9 100644
--- a/arch/ppc/math-emu/fmadd.c
+++ b/arch/powerpc/math-emu/fmadd.c
diff --git a/arch/ppc/math-emu/fmadds.c b/arch/powerpc/math-emu/fmadds.c
index 0f70bba9445e..0f70bba9445e 100644
--- a/arch/ppc/math-emu/fmadds.c
+++ b/arch/powerpc/math-emu/fmadds.c
diff --git a/arch/ppc/math-emu/fmr.c b/arch/powerpc/math-emu/fmr.c
index 28df700c0c7e..28df700c0c7e 100644
--- a/arch/ppc/math-emu/fmr.c
+++ b/arch/powerpc/math-emu/fmr.c
diff --git a/arch/ppc/math-emu/fmsub.c b/arch/powerpc/math-emu/fmsub.c
index 203fd48a6fec..203fd48a6fec 100644
--- a/arch/ppc/math-emu/fmsub.c
+++ b/arch/powerpc/math-emu/fmsub.c
diff --git a/arch/ppc/math-emu/fmsubs.c b/arch/powerpc/math-emu/fmsubs.c
index 8ce68624c189..8ce68624c189 100644
--- a/arch/ppc/math-emu/fmsubs.c
+++ b/arch/powerpc/math-emu/fmsubs.c
diff --git a/arch/ppc/math-emu/fmul.c b/arch/powerpc/math-emu/fmul.c
index 66c7e79aae2e..66c7e79aae2e 100644
--- a/arch/ppc/math-emu/fmul.c
+++ b/arch/powerpc/math-emu/fmul.c
diff --git a/arch/ppc/math-emu/fmuls.c b/arch/powerpc/math-emu/fmuls.c
index 26bc4278271c..26bc4278271c 100644
--- a/arch/ppc/math-emu/fmuls.c
+++ b/arch/powerpc/math-emu/fmuls.c
diff --git a/arch/ppc/math-emu/fnabs.c b/arch/powerpc/math-emu/fnabs.c
index c6b913d179e0..c6b913d179e0 100644
--- a/arch/ppc/math-emu/fnabs.c
+++ b/arch/powerpc/math-emu/fnabs.c
diff --git a/arch/ppc/math-emu/fneg.c b/arch/powerpc/math-emu/fneg.c
index fe9a98deff69..fe9a98deff69 100644
--- a/arch/ppc/math-emu/fneg.c
+++ b/arch/powerpc/math-emu/fneg.c
diff --git a/arch/ppc/math-emu/fnmadd.c b/arch/powerpc/math-emu/fnmadd.c
index 7f312276d920..7f312276d920 100644
--- a/arch/ppc/math-emu/fnmadd.c
+++ b/arch/powerpc/math-emu/fnmadd.c
diff --git a/arch/ppc/math-emu/fnmadds.c b/arch/powerpc/math-emu/fnmadds.c
index 65454c9c70bc..65454c9c70bc 100644
--- a/arch/ppc/math-emu/fnmadds.c
+++ b/arch/powerpc/math-emu/fnmadds.c
diff --git a/arch/ppc/math-emu/fnmsub.c b/arch/powerpc/math-emu/fnmsub.c
index f1ca7482b5f0..f1ca7482b5f0 100644
--- a/arch/ppc/math-emu/fnmsub.c
+++ b/arch/powerpc/math-emu/fnmsub.c
diff --git a/arch/ppc/math-emu/fnmsubs.c b/arch/powerpc/math-emu/fnmsubs.c
index 5c9a09a87dc7..5c9a09a87dc7 100644
--- a/arch/ppc/math-emu/fnmsubs.c
+++ b/arch/powerpc/math-emu/fnmsubs.c
diff --git a/arch/ppc/math-emu/fres.c b/arch/powerpc/math-emu/fres.c
index ec11e46d20af..ec11e46d20af 100644
--- a/arch/ppc/math-emu/fres.c
+++ b/arch/powerpc/math-emu/fres.c
diff --git a/arch/ppc/math-emu/frsp.c b/arch/powerpc/math-emu/frsp.c
index d879b2a3d0c9..d879b2a3d0c9 100644
--- a/arch/ppc/math-emu/frsp.c
+++ b/arch/powerpc/math-emu/frsp.c
diff --git a/arch/ppc/math-emu/frsqrte.c b/arch/powerpc/math-emu/frsqrte.c
index a11ae1829850..a11ae1829850 100644
--- a/arch/ppc/math-emu/frsqrte.c
+++ b/arch/powerpc/math-emu/frsqrte.c
diff --git a/arch/ppc/math-emu/fsel.c b/arch/powerpc/math-emu/fsel.c
index e36e6e72819a..e36e6e72819a 100644
--- a/arch/ppc/math-emu/fsel.c
+++ b/arch/powerpc/math-emu/fsel.c
diff --git a/arch/ppc/math-emu/fsqrt.c b/arch/powerpc/math-emu/fsqrt.c
index 6f8319f64a8a..6f8319f64a8a 100644
--- a/arch/ppc/math-emu/fsqrt.c
+++ b/arch/powerpc/math-emu/fsqrt.c
diff --git a/arch/ppc/math-emu/fsqrts.c b/arch/powerpc/math-emu/fsqrts.c
index 3b2b1cf55c12..3b2b1cf55c12 100644
--- a/arch/ppc/math-emu/fsqrts.c
+++ b/arch/powerpc/math-emu/fsqrts.c
diff --git a/arch/ppc/math-emu/fsub.c b/arch/powerpc/math-emu/fsub.c
index 956679042bb2..956679042bb2 100644
--- a/arch/ppc/math-emu/fsub.c
+++ b/arch/powerpc/math-emu/fsub.c
diff --git a/arch/ppc/math-emu/fsubs.c b/arch/powerpc/math-emu/fsubs.c
index 3428117dfe8c..3428117dfe8c 100644
--- a/arch/ppc/math-emu/fsubs.c
+++ b/arch/powerpc/math-emu/fsubs.c
diff --git a/arch/ppc/math-emu/lfd.c b/arch/powerpc/math-emu/lfd.c
index 7d38101c329b..7d38101c329b 100644
--- a/arch/ppc/math-emu/lfd.c
+++ b/arch/powerpc/math-emu/lfd.c
diff --git a/arch/ppc/math-emu/lfs.c b/arch/powerpc/math-emu/lfs.c
index c86dee3d7655..c86dee3d7655 100644
--- a/arch/ppc/math-emu/lfs.c
+++ b/arch/powerpc/math-emu/lfs.c
diff --git a/arch/ppc/math-emu/math.c b/arch/powerpc/math-emu/math.c
index 589153472761..589153472761 100644
--- a/arch/ppc/math-emu/math.c
+++ b/arch/powerpc/math-emu/math.c
diff --git a/arch/ppc/math-emu/mcrfs.c b/arch/powerpc/math-emu/mcrfs.c
index 106dd912914b..106dd912914b 100644
--- a/arch/ppc/math-emu/mcrfs.c
+++ b/arch/powerpc/math-emu/mcrfs.c
diff --git a/arch/ppc/math-emu/mffs.c b/arch/powerpc/math-emu/mffs.c
index f477c9170e75..f477c9170e75 100644
--- a/arch/ppc/math-emu/mffs.c
+++ b/arch/powerpc/math-emu/mffs.c
diff --git a/arch/ppc/math-emu/mtfsb0.c b/arch/powerpc/math-emu/mtfsb0.c
index 99bfd80f4af3..99bfd80f4af3 100644
--- a/arch/ppc/math-emu/mtfsb0.c
+++ b/arch/powerpc/math-emu/mtfsb0.c
diff --git a/arch/ppc/math-emu/mtfsb1.c b/arch/powerpc/math-emu/mtfsb1.c
index 3d9e7ed92d2b..3d9e7ed92d2b 100644
--- a/arch/ppc/math-emu/mtfsb1.c
+++ b/arch/powerpc/math-emu/mtfsb1.c
diff --git a/arch/ppc/math-emu/mtfsf.c b/arch/powerpc/math-emu/mtfsf.c
index d70cf714994c..d70cf714994c 100644
--- a/arch/ppc/math-emu/mtfsf.c
+++ b/arch/powerpc/math-emu/mtfsf.c
diff --git a/arch/ppc/math-emu/mtfsfi.c b/arch/powerpc/math-emu/mtfsfi.c
index 71df854baa7e..71df854baa7e 100644
--- a/arch/ppc/math-emu/mtfsfi.c
+++ b/arch/powerpc/math-emu/mtfsfi.c
diff --git a/arch/ppc/math-emu/op-1.h b/arch/powerpc/math-emu/op-1.h
index c92fa95f562e..c92fa95f562e 100644
--- a/arch/ppc/math-emu/op-1.h
+++ b/arch/powerpc/math-emu/op-1.h
diff --git a/arch/ppc/math-emu/op-2.h b/arch/powerpc/math-emu/op-2.h
index b9b06b4c6ea1..b9b06b4c6ea1 100644
--- a/arch/ppc/math-emu/op-2.h
+++ b/arch/powerpc/math-emu/op-2.h
diff --git a/arch/ppc/math-emu/op-4.h b/arch/powerpc/math-emu/op-4.h
index fcdd6d064c54..fcdd6d064c54 100644
--- a/arch/ppc/math-emu/op-4.h
+++ b/arch/powerpc/math-emu/op-4.h
diff --git a/arch/ppc/math-emu/op-common.h b/arch/powerpc/math-emu/op-common.h
index afb82b6498ce..afb82b6498ce 100644
--- a/arch/ppc/math-emu/op-common.h
+++ b/arch/powerpc/math-emu/op-common.h
diff --git a/arch/ppc/math-emu/sfp-machine.h b/arch/powerpc/math-emu/sfp-machine.h
index 4b17d83cfcdd..4b17d83cfcdd 100644
--- a/arch/ppc/math-emu/sfp-machine.h
+++ b/arch/powerpc/math-emu/sfp-machine.h
diff --git a/arch/ppc/math-emu/single.h b/arch/powerpc/math-emu/single.h
index f19d99451815..f19d99451815 100644
--- a/arch/ppc/math-emu/single.h
+++ b/arch/powerpc/math-emu/single.h
diff --git a/arch/ppc/math-emu/soft-fp.h b/arch/powerpc/math-emu/soft-fp.h
index cca39598f873..cca39598f873 100644
--- a/arch/ppc/math-emu/soft-fp.h
+++ b/arch/powerpc/math-emu/soft-fp.h
diff --git a/arch/ppc/math-emu/stfd.c b/arch/powerpc/math-emu/stfd.c
index 3f8c2558a9e8..3f8c2558a9e8 100644
--- a/arch/ppc/math-emu/stfd.c
+++ b/arch/powerpc/math-emu/stfd.c
diff --git a/arch/ppc/math-emu/stfiwx.c b/arch/powerpc/math-emu/stfiwx.c
index 95caaeec6a08..95caaeec6a08 100644
--- a/arch/ppc/math-emu/stfiwx.c
+++ b/arch/powerpc/math-emu/stfiwx.c
diff --git a/arch/ppc/math-emu/stfs.c b/arch/powerpc/math-emu/stfs.c
index e87ca23c6dc3..e87ca23c6dc3 100644
--- a/arch/ppc/math-emu/stfs.c
+++ b/arch/powerpc/math-emu/stfs.c
diff --git a/arch/ppc/math-emu/types.c b/arch/powerpc/math-emu/types.c
index e1ed15d829db..e1ed15d829db 100644
--- a/arch/ppc/math-emu/types.c
+++ b/arch/powerpc/math-emu/types.c
diff --git a/arch/ppc/math-emu/udivmodti4.c b/arch/powerpc/math-emu/udivmodti4.c
index 7e112dc1e2f2..7e112dc1e2f2 100644
--- a/arch/ppc/math-emu/udivmodti4.c
+++ b/arch/powerpc/math-emu/udivmodti4.c
diff --git a/arch/powerpc/mm/fault.c b/arch/powerpc/mm/fault.c
index ec4adcb4bc28..5aea0909a5ec 100644
--- a/arch/powerpc/mm/fault.c
+++ b/arch/powerpc/mm/fault.c
@@ -267,25 +267,29 @@ good_area:
 #endif
 #if defined(CONFIG_4xx) || defined(CONFIG_BOOKE)
                 pte_t *ptep;
+                pmd_t *pmdp;
 
                 /* Since 4xx/Book-E supports per-page execute permission,
                  * we lazily flush dcache to icache. */
                 ptep = NULL;
-                if (get_pteptr(mm, address, &ptep) && pte_present(*ptep)) {
-                        struct page *page = pte_page(*ptep);
-
-                        if (! test_bit(PG_arch_1, &page->flags)) {
-                                flush_dcache_icache_page(page);
-                                set_bit(PG_arch_1, &page->flags);
+                if (get_pteptr(mm, address, &ptep, &pmdp)) {
+                        spinlock_t *ptl = pte_lockptr(mm, pmdp);
+                        spin_lock(ptl);
+                        if (pte_present(*ptep)) {
+                                struct page *page = pte_page(*ptep);
+
+                                if (!test_bit(PG_arch_1, &page->flags)) {
+                                        flush_dcache_icache_page(page);
+                                        set_bit(PG_arch_1, &page->flags);
+                                }
+                                pte_update(ptep, 0, _PAGE_HWEXEC);
+                                _tlbie(address);
+                                pte_unmap_unlock(ptep, ptl);
+                                up_read(&mm->mmap_sem);
+                                return 0;
                         }
-                        pte_update(ptep, 0, _PAGE_HWEXEC);
-                        _tlbie(address);
-                        pte_unmap(ptep);
-                        up_read(&mm->mmap_sem);
-                        return 0;
+                        pte_unmap_unlock(ptep, ptl);
                 }
-                if (ptep != NULL)
-                        pte_unmap(ptep);
 #endif
         /* a write */
         } else if (is_write) {
diff --git a/arch/powerpc/mm/hash_utils_64.c b/arch/powerpc/mm/hash_utils_64.c
index 89b35c181314..c006d9039633 100644
--- a/arch/powerpc/mm/hash_utils_64.c
+++ b/arch/powerpc/mm/hash_utils_64.c
@@ -167,7 +167,7 @@ int htab_bolt_mapping(unsigned long vstart, unsigned long vend,
                  * normal insert callback here.
                  */
 #ifdef CONFIG_PPC_ISERIES
-                if (_machine == PLATFORM_ISERIES_LPAR)
+                if (machine_is(iseries))
                         ret = iSeries_hpte_insert(hpteg, va,
                                                   paddr,
                                                   tmp_mode,
@@ -176,7 +176,7 @@ int htab_bolt_mapping(unsigned long vstart, unsigned long vend,
                 else
 #endif
 #ifdef CONFIG_PPC_PSERIES
-                if (_machine & PLATFORM_LPAR)
+                if (machine_is(pseries) && firmware_has_feature(FW_FEATURE_LPAR))
                         ret = pSeries_lpar_hpte_insert(hpteg, va,
                                                        paddr,
                                                        tmp_mode,
@@ -295,8 +295,7 @@ static void __init htab_init_page_sizes(void)
          * Not in the device-tree, let's fallback on known size
          * list for 16M capable GP & GR
          */
-        if ((_machine != PLATFORM_ISERIES_LPAR) &&
-            cpu_has_feature(CPU_FTR_16M_PAGE))
+        if (cpu_has_feature(CPU_FTR_16M_PAGE) && !machine_is(iseries))
                 memcpy(mmu_psize_defs, mmu_psize_defaults_gp,
                        sizeof(mmu_psize_defaults_gp));
  found:
diff --git a/arch/powerpc/mm/mem.c b/arch/powerpc/mm/mem.c
index 5e435a9c3431..741dd8802d49 100644
--- a/arch/powerpc/mm/mem.c
+++ b/arch/powerpc/mm/mem.c
@@ -342,7 +342,7 @@ void __init mem_init(void)
 #ifdef CONFIG_NEED_MULTIPLE_NODES
         for_each_online_node(nid) {
                 if (NODE_DATA(nid)->node_spanned_pages != 0) {
-                        printk("freeing bootmem node %x\n", nid);
+                        printk("freeing bootmem node %d\n", nid);
                         totalram_pages +=
                                 free_all_bootmem_node(NODE_DATA(nid));
                 }
diff --git a/arch/powerpc/mm/numa.c b/arch/powerpc/mm/numa.c
index e89b22aa539e..0a335f34974c 100644
--- a/arch/powerpc/mm/numa.c
+++ b/arch/powerpc/mm/numa.c
@@ -756,6 +756,7 @@ int hot_add_scn_to_nid(unsigned long scn_addr)
         struct device_node *memory = NULL;
         nodemask_t nodes;
         int default_nid = any_online_node(NODE_MASK_ALL);
+        int nid;
 
         if (!numa_enabled || (min_common_depth < 0))
                 return default_nid;
@@ -790,6 +791,7 @@ ha_new_range:
                         goto ha_new_range;
         }
         BUG();  /* section address should be found above */
+        return 0;
 
         /* Temporary code to ensure that returned node is not empty */
 got_nid:
diff --git a/arch/powerpc/mm/pgtable_32.c b/arch/powerpc/mm/pgtable_32.c
index d296eb6b4545..90628601fac7 100644
--- a/arch/powerpc/mm/pgtable_32.c
+++ b/arch/powerpc/mm/pgtable_32.c
@@ -372,7 +372,7 @@ void __init io_block_mapping(unsigned long virt, phys_addr_t phys,
  * the PTE pointer is unmodified if PTE is not found.
  */
 int
-get_pteptr(struct mm_struct *mm, unsigned long addr, pte_t **ptep)
+get_pteptr(struct mm_struct *mm, unsigned long addr, pte_t **ptep, pmd_t **pmdp)
 {
         pgd_t   *pgd;
         pmd_t   *pmd;
@@ -387,6 +387,8 @@ get_pteptr(struct mm_struct *mm, unsigned long addr, pte_t **ptep)
                         if (pte) {
                                 retval = 1;
                                 *ptep = pte;
+                                if (pmdp)
+                                        *pmdp = pmd;
                                 /* XXX caller needs to do pte_unmap, yuck */
                         }
                 }
@@ -424,7 +426,7 @@ unsigned long iopa(unsigned long addr)
                 mm = &init_mm;
 
         pa = 0;
-        if (get_pteptr(mm, addr, &pte)) {
+        if (get_pteptr(mm, addr, &pte, NULL)) {
                 pa = (pte_val(*pte) & PAGE_MASK) | (addr & ~PAGE_MASK);
                 pte_unmap(pte);
         }
diff --git a/arch/powerpc/mm/stab.c b/arch/powerpc/mm/stab.c
index 91d25fb27f89..4a9291d9fef8 100644
--- a/arch/powerpc/mm/stab.c
+++ b/arch/powerpc/mm/stab.c
@@ -239,7 +239,7 @@ void stabs_alloc(void)
         if (cpu_has_feature(CPU_FTR_SLB))
                 return;
 
-        for_each_cpu(cpu) {
+        for_each_possible_cpu(cpu) {
                 unsigned long newstab;
 
                 if (cpu == 0)
diff --git a/arch/powerpc/oprofile/Makefile b/arch/powerpc/oprofile/Makefile
index 554cd7c75321..f5f9859a8338 100644
--- a/arch/powerpc/oprofile/Makefile
+++ b/arch/powerpc/oprofile/Makefile
@@ -6,7 +6,7 @@ DRIVER_OBJS := $(addprefix ../../../drivers/oprofile/, \
                 oprofilefs.o oprofile_stats.o \
                 timer_int.o )
 
-oprofile-y := $(DRIVER_OBJS) common.o
+oprofile-y := $(DRIVER_OBJS) common.o backtrace.o
 oprofile-$(CONFIG_PPC64) += op_model_rs64.o op_model_power4.o
 oprofile-$(CONFIG_FSL_BOOKE) += op_model_fsl_booke.o
 oprofile-$(CONFIG_PPC32) += op_model_7450.o
diff --git a/arch/powerpc/oprofile/backtrace.c b/arch/powerpc/oprofile/backtrace.c
new file mode 100644
index 000000000000..75f57bc96b40
--- /dev/null
+++ b/arch/powerpc/oprofile/backtrace.c
@@ -0,0 +1,126 @@
+/**
+ * Copyright (C) 2005 Brian Rogan <bcr6@cornell.edu>, IBM
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License
+ * as published by the Free Software Foundation; either version
+ * 2 of the License, or (at your option) any later version.
+**/
+
+#include <linux/oprofile.h>
+#include <linux/sched.h>
+#include <asm/processor.h>
+#include <asm/uaccess.h>
+
+#define STACK_SP(STACK)         *(STACK)
+
+#define STACK_LR64(STACK)       *((unsigned long *)(STACK) + 2)
+#define STACK_LR32(STACK)       *((unsigned int *)(STACK) + 1)
+
+#ifdef CONFIG_PPC64
+#define STACK_LR(STACK)         STACK_LR64(STACK)
+#else
+#define STACK_LR(STACK)         STACK_LR32(STACK)
+#endif
+
+static unsigned int user_getsp32(unsigned int sp, int is_first)
+{
+        unsigned int stack_frame[2];
+
+        if (!access_ok(VERIFY_READ, sp, sizeof(stack_frame)))
+                return 0;
+
+        /*
+         * The most likely reason for this is that we returned -EFAULT,
+         * which means that we've done all that we can do from
+         * interrupt context.
+         */
+        if (__copy_from_user_inatomic(stack_frame, (void *)(long)sp,
+                                        sizeof(stack_frame)))
+                return 0;
+
+        if (!is_first)
+                oprofile_add_trace(STACK_LR32(stack_frame));
+
+        /*
+         * We do not enforce increasing stack addresses here because
+         * we may transition to a different stack, eg a signal handler.
+         */
+        return STACK_SP(stack_frame);
+}
+
+#ifdef CONFIG_PPC64
+static unsigned long user_getsp64(unsigned long sp, int is_first)
+{
+        unsigned long stack_frame[3];
+
+        if (!access_ok(VERIFY_READ, sp, sizeof(stack_frame)))
+                return 0;
+
+        if (__copy_from_user_inatomic(stack_frame, (void *)sp,
+                                        sizeof(stack_frame)))
+                return 0;
+
+        if (!is_first)
+                oprofile_add_trace(STACK_LR64(stack_frame));
+
+        return STACK_SP(stack_frame);
+}
+#endif
+
+static unsigned long kernel_getsp(unsigned long sp, int is_first)
+{
+        unsigned long *stack_frame = (unsigned long *)sp;
+
+        if (!validate_sp(sp, current, STACK_FRAME_OVERHEAD))
+                return 0;
+
+        if (!is_first)
+                oprofile_add_trace(STACK_LR(stack_frame));
+
+        /*
+         * We do not enforce increasing stack addresses here because
+         * we might be transitioning from an interrupt stack to a kernel
+         * stack. validate_sp() is designed to understand this, so just
+         * use it.
+         */
+        return STACK_SP(stack_frame);
+}
+
+void op_powerpc_backtrace(struct pt_regs * const regs, unsigned int depth)
+{
+        unsigned long sp = regs->gpr[1];
+        int first_frame = 1;
+
+        /* We ditch the top stackframe so need to loop through an extra time */
+        depth += 1;
+
+        if (!user_mode(regs)) {
+                while (depth--) {
+                        sp = kernel_getsp(sp, first_frame);
+                        if (!sp)
+                                break;
+                        first_frame = 0;
+                }
+        } else {
+#ifdef CONFIG_PPC64
+                if (!test_thread_flag(TIF_32BIT)) {
+                        while (depth--) {
+                                sp = user_getsp64(sp, first_frame);
+                                if (!sp)
+                                        break;
+                                first_frame = 0;
+                        }
+
+                        return;
+                }
+#endif
+
+                while (depth--) {
+                        sp = user_getsp32(sp, first_frame);
+                        if (!sp)
+                                break;
+                        first_frame = 0;
+                }
+        }
+}
diff --git a/arch/powerpc/oprofile/common.c b/arch/powerpc/oprofile/common.c
index cc2535be3a73..5b1de7e8041e 100644
--- a/arch/powerpc/oprofile/common.c
+++ b/arch/powerpc/oprofile/common.c
@@ -117,18 +117,10 @@ static int op_powerpc_create_files(struct super_block *sb, struct dentry *root)
 
         oprofilefs_create_ulong(sb, root, "enable_kernel", &sys.enable_kernel);
         oprofilefs_create_ulong(sb, root, "enable_user", &sys.enable_user);
-#ifdef CONFIG_PPC64
-        oprofilefs_create_ulong(sb, root, "backtrace_spinlocks",
-                                &sys.backtrace_spinlocks);
-#endif
 
         /* Default to tracing both kernel and user */
         sys.enable_kernel = 1;
         sys.enable_user = 1;
-#ifdef CONFIG_PPC64
-        /* Turn on backtracing through spinlocks by default */
-        sys.backtrace_spinlocks = 1;
-#endif
 
         return 0;
 }
@@ -168,6 +160,7 @@ int __init oprofile_arch_init(struct oprofile_operations *ops)
         ops->shutdown = op_powerpc_shutdown;
         ops->start = op_powerpc_start;
         ops->stop = op_powerpc_stop;
+        ops->backtrace = op_powerpc_backtrace;
 
         printk(KERN_INFO "oprofile: using %s performance monitoring.\n",
                ops->cpu_type);
diff --git a/arch/powerpc/oprofile/op_model_7450.c b/arch/powerpc/oprofile/op_model_7450.c
index 32abfdbb0eb1..e0491c3c71f1 100644
--- a/arch/powerpc/oprofile/op_model_7450.c
+++ b/arch/powerpc/oprofile/op_model_7450.c
@@ -176,13 +176,13 @@ static void fsl7450_handle_interrupt(struct pt_regs *regs,
         mtmsr(mfmsr() | MSR_PMM);
 
         pc = mfspr(SPRN_SIAR);
-        is_kernel = (pc >= KERNELBASE);
+        is_kernel = is_kernel_addr(pc);
 
         for (i = 0; i < NUM_CTRS; ++i) {
                 val = ctr_read(i);
                 if (val < 0) {
                         if (oprofile_running && ctr[i].enabled) {
-                                oprofile_add_pc(pc, is_kernel, i);
+                                oprofile_add_ext_sample(pc, regs, i, is_kernel);
                                 ctr_write(i, reset_value[i]);
                         } else {
                                 ctr_write(i, 0);
diff --git a/arch/powerpc/oprofile/op_model_fsl_booke.c b/arch/powerpc/oprofile/op_model_fsl_booke.c
index 26539cda6023..93d63e62662f 100644
--- a/arch/powerpc/oprofile/op_model_fsl_booke.c
+++ b/arch/powerpc/oprofile/op_model_fsl_booke.c
@@ -154,13 +154,13 @@ static void fsl_booke_handle_interrupt(struct pt_regs *regs,
         mtmsr(mfmsr() | MSR_PMM);
 
         pc = regs->nip;
-        is_kernel = (pc >= KERNELBASE);
+        is_kernel = is_kernel_addr(pc);
 
         for (i = 0; i < num_counters; ++i) {
                 val = ctr_read(i);
                 if (val < 0) {
                         if (oprofile_running && ctr[i].enabled) {
-                                oprofile_add_pc(pc, is_kernel, i);
+                                oprofile_add_ext_sample(pc, regs, i, is_kernel);
                                 ctr_write(i, reset_value[i]);
                         } else {
                                 ctr_write(i, 0);
diff --git a/arch/powerpc/oprofile/op_model_power4.c b/arch/powerpc/oprofile/op_model_power4.c
index 4b06e53eb9b4..4c2beab1fdc1 100644
--- a/arch/powerpc/oprofile/op_model_power4.c
+++ b/arch/powerpc/oprofile/op_model_power4.c
@@ -25,18 +25,14 @@ static unsigned long reset_value[OP_MAX_COUNTER];
 
 static int oprofile_running;
 static int mmcra_has_sihv;
+/* Unfortunately these bits vary between CPUs */
+static unsigned long mmcra_sihv = MMCRA_SIHV;
+static unsigned long mmcra_sipr = MMCRA_SIPR;
 
 /* mmcr values are set in power4_reg_setup, used in power4_cpu_setup */
 static u32 mmcr0_val;
 static u64 mmcr1_val;
-static u32 mmcra_val;
-
-/*
- * Since we do not have an NMI, backtracing through spinlocks is
- * only a best guess. In light of this, allow it to be disabled at
- * runtime.
- */
-static int backtrace_spinlocks;
+static u64 mmcra_val;
 
 static void power4_reg_setup(struct op_counter_config *ctr,
                              struct op_system_config *sys,
@@ -63,8 +59,6 @@ static void power4_reg_setup(struct op_counter_config *ctr,
         mmcr1_val = sys->mmcr1;
         mmcra_val = sys->mmcra;
 
-        backtrace_spinlocks = sys->backtrace_spinlocks;
-
         for (i = 0; i < cur_cpu_spec->num_pmcs; ++i)
                 reset_value[i] = 0x80000000UL - ctr[i].count;
 
@@ -197,25 +191,6 @@ static void __attribute_used__ kernel_unknown_bucket(void)
 {
 }
 
-static unsigned long check_spinlock_pc(struct pt_regs *regs,
-                                       unsigned long profile_pc)
-{
-        unsigned long pc = instruction_pointer(regs);
-
-        /*
-         * If both the SIAR (sampled instruction) and the perfmon exception
-         * occurred in a spinlock region then we account the sample to the
-         * calling function. This isnt 100% correct, we really need soft
-         * IRQ disable so we always get the perfmon exception at the
-         * point at which the SIAR is set.
-         */
-        if (backtrace_spinlocks && in_lock_functions(pc) &&
-                        in_lock_functions(profile_pc))
-                return regs->link;
-        else
-                return profile_pc;
-}
-
 /*
  * On GQ and newer the MMCRA stores the HV and PR bits at the time
  * the SIAR was sampled. We use that to work out if the SIAR was sampled in
@@ -228,17 +203,17 @@ static unsigned long get_pc(struct pt_regs *regs)
 
         /* Cant do much about it */
         if (!mmcra_has_sihv)
-                return check_spinlock_pc(regs, pc);
+                return pc;
 
         mmcra = mfspr(SPRN_MMCRA);
 
         /* Were we in the hypervisor? */
-        if (firmware_has_feature(FW_FEATURE_LPAR) && (mmcra & MMCRA_SIHV))
+        if (firmware_has_feature(FW_FEATURE_LPAR) && (mmcra & mmcra_sihv))
                 /* function descriptor madness */
                 return *((unsigned long *)hypervisor_bucket);
 
         /* We were in userspace, nothing to do */
-        if (mmcra & MMCRA_SIPR)
+        if (mmcra & mmcra_sipr)
                 return pc;
 
 #ifdef CONFIG_PPC_RTAS
@@ -257,7 +232,7 @@ static unsigned long get_pc(struct pt_regs *regs)
                 /* function descriptor madness */
                 return *((unsigned long *)kernel_unknown_bucket);
 
-        return check_spinlock_pc(regs, pc);
+        return pc;
 }
 
 static int get_kernel(unsigned long pc)
@@ -268,7 +243,7 @@ static int get_kernel(unsigned long pc)
                 is_kernel = is_kernel_addr(pc);
         } else {
                 unsigned long mmcra = mfspr(SPRN_MMCRA);
-                is_kernel = ((mmcra & MMCRA_SIPR) == 0);
+                is_kernel = ((mmcra & mmcra_sipr) == 0);
         }
 
         return is_kernel;
@@ -293,7 +268,7 @@ static void power4_handle_interrupt(struct pt_regs *regs,
                 val = ctr_read(i);
                 if (val < 0) {
                         if (oprofile_running && ctr[i].enabled) {
-                                oprofile_add_pc(pc, is_kernel, i);
+                                oprofile_add_ext_sample(pc, regs, i, is_kernel);
                                 ctr_write(i, reset_value[i]);
                         } else {
                                 ctr_write(i, 0);
diff --git a/arch/powerpc/oprofile/op_model_rs64.c b/arch/powerpc/oprofile/op_model_rs64.c
index 5c909ee609fe..042f8f4867ad 100644
--- a/arch/powerpc/oprofile/op_model_rs64.c
+++ b/arch/powerpc/oprofile/op_model_rs64.c
@@ -175,10 +175,13 @@ static void rs64_handle_interrupt(struct pt_regs *regs,
                                   struct op_counter_config *ctr)
 {
         unsigned int mmcr0;
+        int is_kernel;
         int val;
         int i;
         unsigned long pc = mfspr(SPRN_SIAR);
 
+        is_kernel = is_kernel_addr(pc);
+
         /* set the PMM bit (see comment below) */
         mtmsrd(mfmsr() | MSR_PMM);
 
@@ -186,7 +189,7 @@ static void rs64_handle_interrupt(struct pt_regs *regs,
                 val = ctr_read(i);
                 if (val < 0) {
                         if (ctr[i].enabled) {
-                                oprofile_add_pc(pc, is_kernel_addr(pc), i);
+                                oprofile_add_ext_sample(pc, regs, i, is_kernel);
                                 ctr_write(i, reset_value[i]);
                         } else {
                                 ctr_write(i, 0);
diff --git a/arch/powerpc/platforms/85xx/Kconfig b/arch/powerpc/platforms/85xx/Kconfig
index d3d0ff745e84..06e371282f57 100644
--- a/arch/powerpc/platforms/85xx/Kconfig
+++ b/arch/powerpc/platforms/85xx/Kconfig
@@ -7,6 +7,7 @@ choice
 
 config MPC8540_ADS
         bool "Freescale MPC8540 ADS"
+        select DEFAULT_UIMAGE
         help
           This option enables support for the MPC 8540 ADS board
 
diff --git a/arch/powerpc/platforms/cell/Kconfig b/arch/powerpc/platforms/cell/Kconfig
index 3157071e241c..c2a3db8edb0c 100644
--- a/arch/powerpc/platforms/cell/Kconfig
+++ b/arch/powerpc/platforms/cell/Kconfig
@@ -10,4 +10,9 @@ config SPU_FS
           Units on machines implementing the Broadband Processor
           Architecture.
 
+config SPUFS_MMAP
+        bool
+        depends on SPU_FS && SPARSEMEM && !PPC_64K_PAGES
+        default y
+
 endmenu
diff --git a/arch/powerpc/platforms/cell/Makefile b/arch/powerpc/platforms/cell/Makefile
index 3b998a393e3f..e570bad06394 100644
--- a/arch/powerpc/platforms/cell/Makefile
+++ b/arch/powerpc/platforms/cell/Makefile
@@ -6,5 +6,11 @@ obj-$(CONFIG_SPU_FS)	+= spu-base.o spufs/
 
 spu-base-y              += spu_base.o spu_priv1.o
 
-builtin-spufs-$(CONFIG_SPU_FS)  += spu_syscalls.o
-obj-y                   += $(builtin-spufs-m)
+# needed only when building loadable spufs.ko
+spufs-modular-$(CONFIG_SPU_FS) += spu_syscalls.o
+obj-y                   += $(spufs-modular-m)
+
+# always needed in kernel
+spufs-builtin-$(CONFIG_SPU_FS) += spu_callbacks.o
+obj-y                   += $(spufs-builtin-y) $(spufs-builtin-m)
+
diff --git a/arch/powerpc/platforms/cell/interrupt.c b/arch/powerpc/platforms/cell/interrupt.c
index 63aa52acf441..978be1c30c1b 100644
--- a/arch/powerpc/platforms/cell/interrupt.c
+++ b/arch/powerpc/platforms/cell/interrupt.c
@@ -63,7 +63,24 @@ static DEFINE_PER_CPU(struct iic, iic);
 
 void iic_local_enable(void)
 {
-        out_be64(&__get_cpu_var(iic).regs->prio, 0xff);
+        struct iic *iic = &__get_cpu_var(iic);
+        u64 tmp;
+
+        /*
+         * There seems to be a bug that is present in DD2.x CPUs
+         * and still only partially fixed in DD3.1.
+         * This bug causes a value written to the priority register
+         * not to make it there, resulting in a system hang unless we
+         * write it again.
+         * Masking with 0xf0 is done because the Cell BE does not
+         * implement the lower four bits of the interrupt priority,
+         * they always read back as zeroes, although future CPUs
+         * might implement different bits.
+         */
+        do {
+                out_be64(&iic->regs->prio, 0xff);
+                tmp = in_be64(&iic->regs->prio);
+        } while ((tmp & 0xf0) != 0xf0);
 }
 
 void iic_local_disable(void)
@@ -123,7 +140,7 @@ static int iic_external_get_irq(struct iic_pending_bits pending)
                     pending.class != 2)
                         break;
                 irq = IIC_EXT_OFFSET
-                        + spider_get_irq(pending.prio + node * IIC_NODE_STRIDE)
+                        + spider_get_irq(node)
                         + node * IIC_NODE_STRIDE;
                 break;
         case 0x01 ... 0x04:
@@ -174,38 +191,98 @@ int iic_get_irq(struct pt_regs *regs)
         return irq;
 }
 
-static int setup_iic(int cpu, struct iic *iic)
+/* hardcoded part to be compatible with older firmware */
+
+static int setup_iic_hardcoded(void)
 {
         struct device_node *np;
-        int nodeid = cpu / 2;
+        int nodeid, cpu;
         unsigned long regs;
+        struct iic *iic;
 
-        for (np = of_find_node_by_type(NULL, "cpu");
-             np;
-             np = of_find_node_by_type(np, "cpu")) {
-                if (nodeid == *(int *)get_property(np, "node-id", NULL))
-                        break;
+        for_each_cpu(cpu) {
+                iic = &per_cpu(iic, cpu);
+                nodeid = cpu/2;
+
+                for (np = of_find_node_by_type(NULL, "cpu");
+                     np;
+                     np = of_find_node_by_type(np, "cpu")) {
+                        if (nodeid == *(int *)get_property(np, "node-id", NULL))
+                                break;
+                        }
+
+                if (!np) {
+                        printk(KERN_WARNING "IIC: CPU %d not found\n", cpu);
+                        iic->regs = NULL;
+                        iic->target_id = 0xff;
+                        return -ENODEV;
+                        }
+
+                regs = *(long *)get_property(np, "iic", NULL);
+
+                /* hack until we have decided on the devtree info */
+                regs += 0x400;
+                if (cpu & 1)
+                        regs += 0x20;
+
+                printk(KERN_INFO "IIC for CPU %d at %lx\n", cpu, regs);
+                iic->regs = ioremap(regs, sizeof(struct iic_regs));
+                iic->target_id = (nodeid << 4) + ((cpu & 1) ? 0xf : 0xe);
         }
 
-        if (!np) {
-                printk(KERN_WARNING "IIC: CPU %d not found\n", cpu);
-                iic->regs = NULL;
-                iic->target_id = 0xff;
-                return -ENODEV;
-        }
+        return 0;
+}
 
-        regs = *(long *)get_property(np, "iic", NULL);
+static int setup_iic(void)
+{
+        struct device_node *dn;
+        unsigned long *regs;
+        char *compatible;
+        unsigned *np, found = 0;
+        struct iic *iic = NULL;
+
+        for (dn = NULL; (dn = of_find_node_by_name(dn, "interrupt-controller"));) {
+                compatible = (char *)get_property(dn, "compatible", NULL);
+
+                if (!compatible) {
+                        printk(KERN_WARNING "no compatible property found !\n");
+                        continue;
+                }
 
-        /* hack until we have decided on the devtree info */
-        regs += 0x400;
-        if (cpu & 1)
-                regs += 0x20;
+                if (strstr(compatible, "IBM,CBEA-Internal-Interrupt-Controller"))
+                        regs = (unsigned long *)get_property(dn,"reg", NULL);
+                else
+                        continue;
 
-        printk(KERN_DEBUG "IIC for CPU %d at %lx\n", cpu, regs);
-        iic->regs = __ioremap(regs, sizeof(struct iic_regs),
-                                         _PAGE_NO_CACHE);
-        iic->target_id = (nodeid << 4) + ((cpu & 1) ? 0xf : 0xe);
-        return 0;
+                if (!regs)
+                        printk(KERN_WARNING "IIC: no reg property\n");
+
+                np = (unsigned int *)get_property(dn, "ibm,interrupt-server-ranges", NULL);
+
+                if (!np) {
+                        printk(KERN_WARNING "IIC: CPU association not found\n");
+                        iic->regs = NULL;
+                        iic->target_id = 0xff;
+                        return -ENODEV;
+                }
+
+                iic = &per_cpu(iic, np[0]);
+                iic->regs = ioremap(regs[0], sizeof(struct iic_regs));
+                iic->target_id = ((np[0] & 2) << 3) + ((np[0] & 1) ? 0xf : 0xe);
+                printk("IIC for CPU %d at %lx mapped to %p\n", np[0], regs[0], iic->regs);
+
+                iic = &per_cpu(iic, np[1]);
+                iic->regs = ioremap(regs[2], sizeof(struct iic_regs));
+                iic->target_id = ((np[1] & 2) << 3) + ((np[1] & 1) ? 0xf : 0xe);
+                printk("IIC for CPU %d at %lx mapped to %p\n", np[1], regs[2], iic->regs);
+
+                found++;
+        }
+
+        if (found)
+                return 0;
+        else
+                return -ENODEV;
 }
 
 #ifdef CONFIG_SMP
@@ -283,10 +360,12 @@ void iic_init_IRQ(void)
         int cpu, irq_offset;
         struct iic *iic;
 
+        if (setup_iic() < 0)
+                setup_iic_hardcoded();
+
         irq_offset = 0;
-        for_each_cpu(cpu) {
+        for_each_possible_cpu(cpu) {
                 iic = &per_cpu(iic, cpu);
-                setup_iic(cpu, iic);
                 if (iic->regs)
                         out_be64(&iic->regs->prio, 0xff);
         }
diff --git a/arch/powerpc/platforms/cell/interrupt.h b/arch/powerpc/platforms/cell/interrupt.h
index a14bd38791c0..799f77d98f96 100644
--- a/arch/powerpc/platforms/cell/interrupt.h
+++ b/arch/powerpc/platforms/cell/interrupt.h
@@ -57,7 +57,7 @@ extern void iic_local_disable(void);
 extern u8 iic_get_target_id(int cpu);
 
 extern void spider_init_IRQ(void);
-extern int spider_get_irq(unsigned long int_pending);
+extern int spider_get_irq(int node);
 
 #endif
 #endif /* ASM_CELL_PIC_H */
diff --git a/arch/powerpc/platforms/cell/iommu.c b/arch/powerpc/platforms/cell/iommu.c
index 46e7cb9c3e64..a49ceb799a8e 100644
--- a/arch/powerpc/platforms/cell/iommu.c
+++ b/arch/powerpc/platforms/cell/iommu.c
@@ -289,7 +289,7 @@ static void cell_do_map_iommu(struct cell_iommu *iommu,
         ioc_base = iommu->mapped_base;
         ioc_mmio_base = iommu->mapped_mmio_base;
 
-        for (real_address = 0, io_address = 0;
+        for (real_address = 0, io_address = map_start;
              io_address <= map_start + map_size;
              real_address += io_page_size, io_address += io_page_size) {
                 ioste = get_iost_entry(fake_iopt, io_address, io_page_size);
@@ -302,7 +302,7 @@ static void cell_do_map_iommu(struct cell_iommu *iommu,
                 set_iopt_cache(ioc_mmio_base,
                         get_ioc_hash_1way(ioste, io_address),
                         get_ioc_tag(ioste, io_address),
-                        get_iopt_entry(real_address-map_start, ioid, IOPT_PROT_RW));
+                        get_iopt_entry(real_address, ioid, IOPT_PROT_RW));
         }
 }
 
@@ -344,8 +344,8 @@ static int cell_map_iommu_hardcoded(int num_nodes)
 
         /* node 0 */
         iommu = &cell_iommus[0];
-        iommu->mapped_base = __ioremap(0x20000511000, 0x1000, _PAGE_NO_CACHE);
-        iommu->mapped_mmio_base = __ioremap(0x20000510000, 0x1000, _PAGE_NO_CACHE);
+        iommu->mapped_base = ioremap(0x20000511000, 0x1000);
+        iommu->mapped_mmio_base = ioremap(0x20000510000, 0x1000);
 
         enable_mapping(iommu->mapped_base, iommu->mapped_mmio_base);
 
@@ -357,8 +357,8 @@ static int cell_map_iommu_hardcoded(int num_nodes)
 
         /* node 1 */
         iommu = &cell_iommus[1];
-        iommu->mapped_base = __ioremap(0x30000511000, 0x1000, _PAGE_NO_CACHE);
-        iommu->mapped_mmio_base = __ioremap(0x30000510000, 0x1000, _PAGE_NO_CACHE);
+        iommu->mapped_base = ioremap(0x30000511000, 0x1000);
+        iommu->mapped_mmio_base = ioremap(0x30000510000, 0x1000);
 
         enable_mapping(iommu->mapped_base, iommu->mapped_mmio_base);
 
@@ -407,8 +407,8 @@ static int cell_map_iommu(void)
                 iommu->base = *base;
                 iommu->mmio_base = *mmio_base;
 
-                iommu->mapped_base = __ioremap(*base, 0x1000, _PAGE_NO_CACHE);
-                iommu->mapped_mmio_base = __ioremap(*mmio_base, 0x1000, _PAGE_NO_CACHE);
+                iommu->mapped_base = ioremap(*base, 0x1000);
+                iommu->mapped_mmio_base = ioremap(*mmio_base, 0x1000);
 
                 enable_mapping(iommu->mapped_base,
                                iommu->mapped_mmio_base);
diff --git a/arch/powerpc/platforms/cell/pervasive.c b/arch/powerpc/platforms/cell/pervasive.c
index e0e051c675dd..7eed8c624517 100644
--- a/arch/powerpc/platforms/cell/pervasive.c
+++ b/arch/powerpc/platforms/cell/pervasive.c
@@ -203,7 +203,7 @@ found:
 
         pr_debug("pervasive area for CPU %d at %lx, size %x\n",
                         cpu, real_address, size);
-        p->regs = __ioremap(real_address, size, _PAGE_NO_CACHE);
+        p->regs = ioremap(real_address, size);
         p->thread = thread;
         return 0;
 }
@@ -217,7 +217,7 @@ void __init cell_pervasive_init(void)
         if (!cpu_has_feature(CPU_FTR_PAUSE_ZERO))
                 return;
 
-        for_each_cpu(cpu) {
+        for_each_possible_cpu(cpu) {
                 p = &cbe_pervasive[cpu];
                 ret = cbe_find_pmd_mmio(cpu, p);
                 if (ret)
diff --git a/arch/powerpc/platforms/cell/setup.c b/arch/powerpc/platforms/cell/setup.c
index fec8e65b36ea..dac5d0365fde 100644
--- a/arch/powerpc/platforms/cell/setup.c
+++ b/arch/powerpc/platforms/cell/setup.c
@@ -195,9 +195,13 @@ static void __init cell_init_early(void)
 }
 
 
-static int __init cell_probe(int platform)
+static int __init cell_probe(void)
 {
-        if (platform != PLATFORM_CELL)
+        /* XXX This is temporary, the Cell maintainer will come up with
+         * more appropriate detection logic
+         */
+        unsigned long root = of_get_flat_dt_root();
+        if (!of_flat_dt_is_compatible(root, "IBM,CPBW-1.0"))
                 return 0;
 
         return 1;
@@ -212,7 +216,8 @@ static int cell_check_legacy_ioport(unsigned int baseport)
         return -ENODEV;
 }
 
-struct machdep_calls __initdata cell_md = {
+define_machine(cell) {
+        .name                   = "Cell",
         .probe                  = cell_probe,
         .setup_arch             = cell_setup_arch,
         .init_early             = cell_init_early,
diff --git a/arch/powerpc/platforms/cell/spider-pic.c b/arch/powerpc/platforms/cell/spider-pic.c
index e74132188bdf..55cbdd77a62d 100644
--- a/arch/powerpc/platforms/cell/spider-pic.c
+++ b/arch/powerpc/platforms/cell/spider-pic.c
@@ -84,10 +84,11 @@ static void __iomem *spider_get_irq_config(int irq)
 
 static void spider_enable_irq(unsigned int irq)
 {
+        int nodeid = (irq / IIC_NODE_STRIDE) * 0x10;
         void __iomem *cfg = spider_get_irq_config(irq);
         irq = spider_get_nr(irq);
 
-        out_be32(cfg, in_be32(cfg) | 0x3107000eu);
+        out_be32(cfg, (in_be32(cfg) & ~0xf0)| 0x3107000eu | nodeid);
         out_be32(cfg + 4, in_be32(cfg + 4) | 0x00020000u | irq);
 }
 
@@ -131,61 +132,108 @@ static struct hw_interrupt_type spider_pic = {
         .end = spider_end_irq,
 };
 
-
-int spider_get_irq(unsigned long int_pending)
+int spider_get_irq(int node)
 {
-        void __iomem *regs = spider_get_pic(int_pending);
         unsigned long cs;
-        int irq;
-
-        cs = in_be32(regs + TIR_CS);
+        void __iomem *regs = spider_pics[node];
 
-        irq = cs >> 24;
-        if (irq != 63)
-                return irq;
+        cs = in_be32(regs + TIR_CS) >> 24;
 
-        return -1;
+        if (cs == 63)
+                return -1;
+        else
+                return cs;
 }
- 
-void spider_init_IRQ(void)
+
+/* hardcoded part to be compatible with older firmware */
+
+void spider_init_IRQ_hardcoded(void)
 {
         int node;
-        struct device_node *dn;
-        unsigned int *property;
         long spiderpic;
+        long pics[] = { 0x24000008000, 0x34000008000 };
         int n;
 
-/* FIXME: detect multiple PICs as soon as the device tree has them */
-        for (node = 0; node < 1; node++) {
-                dn = of_find_node_by_path("/");
-                n = prom_n_addr_cells(dn);
-                property = (unsigned int *) get_property(dn,
-                                "platform-spider-pic", NULL);
+        pr_debug("%s(%d): Using hardcoded defaults\n", __FUNCTION__, __LINE__);
 
-                if (!property)
-                        continue;
-                for (spiderpic = 0; n > 0; --n)
-                        spiderpic = (spiderpic << 32) + *property++;
+        for (node = 0; node < num_present_cpus()/2; node++) {
+                spiderpic = pics[node];
                 printk(KERN_DEBUG "SPIDER addr: %lx\n", spiderpic);
-                spider_pics[node] = __ioremap(spiderpic, 0x800, _PAGE_NO_CACHE);
+                spider_pics[node] = ioremap(spiderpic, 0x800);
                 for (n = 0; n < IIC_NUM_EXT; n++) {
                         int irq = n + IIC_EXT_OFFSET + node * IIC_NODE_STRIDE;
                         get_irq_desc(irq)->handler = &spider_pic;
+                }
 
                 /* do not mask any interrupts because of level */
                 out_be32(spider_pics[node] + TIR_MSK, 0x0);
-                
+
                 /* disable edge detection clear */
                 /* out_be32(spider_pics[node] + TIR_EDC, 0x0); */
-                
+
                 /* enable interrupt packets to be output */
                 out_be32(spider_pics[node] + TIR_PIEN,
                         in_be32(spider_pics[node] + TIR_PIEN) | 0x1);
-                
+
                 /* Enable the interrupt detection enable bit. Do this last! */
                 out_be32(spider_pics[node] + TIR_DEN,
-                        in_be32(spider_pics[node] +TIR_DEN) | 0x1);
+                        in_be32(spider_pics[node] + TIR_DEN) | 0x1);
+        }
+}
+
+void spider_init_IRQ(void)
+{
+        long spider_reg;
+        struct device_node *dn;
+        char *compatible;
+        int n, node = 0;
+
+        for (dn = NULL; (dn = of_find_node_by_name(dn, "interrupt-controller"));) {
+                compatible = (char *)get_property(dn, "compatible", NULL);
 
+                if (!compatible)
+                        continue;
+
+                if (strstr(compatible, "CBEA,platform-spider-pic"))
+                        spider_reg = *(long *)get_property(dn,"reg", NULL);
+                else if (strstr(compatible, "sti,platform-spider-pic")) {
+                        spider_init_IRQ_hardcoded();
+                        return;
+                } else
+                        continue;
+
+                if (!spider_reg)
+                        printk("interrupt controller does not have reg property !\n");
+
+                n = prom_n_addr_cells(dn);
+
+                if ( n != 2)
+                        printk("reg property with invalid number of elements \n");
+
+                spider_pics[node] = ioremap(spider_reg, 0x800);
+
+                printk("SPIDER addr: %lx with %i addr_cells mapped to %p\n",
+                       spider_reg, n, spider_pics[node]);
+
+                for (n = 0; n < IIC_NUM_EXT; n++) {
+                        int irq = n + IIC_EXT_OFFSET + node * IIC_NODE_STRIDE;
+                        get_irq_desc(irq)->handler = &spider_pic;
                 }
+
+                /* do not mask any interrupts because of level */
+                out_be32(spider_pics[node] + TIR_MSK, 0x0);
+
+                /* disable edge detection clear */
+                /* out_be32(spider_pics[node] + TIR_EDC, 0x0); */
+
+                /* enable interrupt packets to be output */
+                out_be32(spider_pics[node] + TIR_PIEN,
+                        in_be32(spider_pics[node] + TIR_PIEN) | 0x1);
+
+                /* Enable the interrupt detection enable bit. Do this last! */
+                out_be32(spider_pics[node] + TIR_DEN,
+                        in_be32(spider_pics[node] + TIR_DEN) | 0x1);
+
+                node++;
         }
 }
diff --git a/arch/powerpc/platforms/cell/spu_base.c b/arch/powerpc/platforms/cell/spu_base.c
index a8fa1eeeb174..269dda4fd0b4 100644
--- a/arch/powerpc/platforms/cell/spu_base.c
+++ b/arch/powerpc/platforms/cell/spu_base.c
@@ -111,7 +111,7 @@ static int __spu_trap_data_seg(struct spu *spu, unsigned long ea)
 extern int hash_page(unsigned long ea, unsigned long access, unsigned long trap); //XXX
 static int __spu_trap_data_map(struct spu *spu, unsigned long ea, u64 dsisr)
 {
-        pr_debug("%s\n", __FUNCTION__);
+        pr_debug("%s, %lx, %lx\n", __FUNCTION__, dsisr, ea);
 
         /* Handle kernel space hash faults immediately.
            User hash faults need to be deferred to process context. */
@@ -168,7 +168,7 @@ static int __spu_trap_halt(struct spu *spu)
 static int __spu_trap_tag_group(struct spu *spu)
 {
         pr_debug("%s\n", __FUNCTION__);
-        /* wake_up(&spu->dma_wq); */
+        spu->mfc_callback(spu);
         return 0;
 }
 
@@ -242,6 +242,8 @@ spu_irq_class_1(int irq, void *data, struct pt_regs *regs)
                 spu_mfc_dsisr_set(spu, 0ul);
         spu_int_stat_clear(spu, 1, stat);
         spin_unlock(&spu->register_lock);
+        pr_debug("%s: %lx %lx %lx %lx\n", __FUNCTION__, mask, stat,
+                        dar, dsisr);
 
         if (stat & 1) /* segment fault */
                 __spu_trap_data_seg(spu, dar);
@@ -484,14 +486,13 @@ int spu_irq_class_1_bottom(struct spu *spu)
 
         ea = spu->dar;
         dsisr = spu->dsisr;
-        if (dsisr & MFC_DSISR_PTE_NOT_FOUND) {
+        if (dsisr & (MFC_DSISR_PTE_NOT_FOUND | MFC_DSISR_ACCESS_DENIED)) {
                 access = (_PAGE_PRESENT | _PAGE_USER);
                 access |= (dsisr & MFC_DSISR_ACCESS_PUT) ? _PAGE_RW : 0UL;
                 if (hash_page(ea, access, 0x300) != 0)
                         error |= CLASS1_ENABLE_STORAGE_FAULT_INTR;
         }
-        if ((error & CLASS1_ENABLE_STORAGE_FAULT_INTR) ||
-            (dsisr & MFC_DSISR_ACCESS_DENIED)) {
+        if (error & CLASS1_ENABLE_STORAGE_FAULT_INTR) {
                 if ((ret = spu_handle_mm_fault(spu)) != 0)
                         error |= CLASS1_ENABLE_STORAGE_FAULT_INTR;
                 else
@@ -568,6 +569,11 @@ static int __init spu_map_device(struct spu *spu, struct device_node *spe)
         if (!spu->local_store)
                 goto out;
 
+        prop = get_property(spe, "problem", NULL);
+        if (!prop)
+                goto out_unmap;
+        spu->problem_phys = *(unsigned long *)prop;
+
         spu->problem= map_spe_prop(spe, "problem");
         if (!spu->problem)
                 goto out_unmap;
@@ -632,6 +638,7 @@ static int __init create_spu(struct device_node *spe)
         spu->ibox_callback = NULL;
         spu->wbox_callback = NULL;
         spu->stop_callback = NULL;
+        spu->mfc_callback = NULL;
 
         mutex_lock(&spu_mutex);
         spu->number = number++;
diff --git a/arch/powerpc/platforms/cell/spu_callbacks.c b/arch/powerpc/platforms/cell/spu_callbacks.c
new file mode 100644
index 000000000000..3a4245c926ad
--- /dev/null
+++ b/arch/powerpc/platforms/cell/spu_callbacks.c
@@ -0,0 +1,345 @@
+/*
+ * System call callback functions for SPUs
+ */
+
+#define DEBUG
+
+#include <linux/kallsyms.h>
+#include <linux/module.h>
+#include <linux/syscalls.h>
+
+#include <asm/spu.h>
+#include <asm/syscalls.h>
+#include <asm/unistd.h>
+
+/*
+ * This table defines the system calls that an SPU can call.
+ * It is currently a subset of the 64 bit powerpc system calls,
+ * with the exact semantics.
+ *
+ * The reasons for disabling some of the system calls are:
+ * 1. They interact with the way SPU syscalls are handled
+ *    and we can't let them execute ever:
+ *      restart_syscall, exit, for, execve, ptrace, ...
+ * 2. They are deprecated and replaced by other means:
+ *      uselib, pciconfig_*, sysfs, ...
+ * 3. They are somewhat interacting with the system in a way
+ *    we don't want an SPU to:
+ *      reboot, init_module, mount, kexec_load
+ * 4. They are optional and we can't rely on them being
+ *    linked into the kernel. Unfortunately, the cond_syscall
+ *    helper does not work here as it does not add the necessary
+ *    opd symbols:
+ *      mbind, mq_open, ipc, ...
+ */
+
+void *spu_syscall_table[] = {
+        [__NR_restart_syscall]          sys_ni_syscall, /* sys_restart_syscall */
+        [__NR_exit]                     sys_ni_syscall, /* sys_exit */
+        [__NR_fork]                     sys_ni_syscall, /* ppc_fork */
+        [__NR_read]                     sys_read,
+        [__NR_write]                    sys_write,
+        [__NR_open]                     sys_open,
+        [__NR_close]                    sys_close,
+        [__NR_waitpid]                  sys_waitpid,
+        [__NR_creat]                    sys_creat,
+        [__NR_link]                     sys_link,
+        [__NR_unlink]                   sys_unlink,
+        [__NR_execve]                   sys_ni_syscall, /* sys_execve */
+        [__NR_chdir]                    sys_chdir,
+        [__NR_time]                     sys_time,
+        [__NR_mknod]                    sys_mknod,
+        [__NR_chmod]                    sys_chmod,
+        [__NR_lchown]                   sys_lchown,
+        [__NR_break]                    sys_ni_syscall,
+        [__NR_oldstat]                  sys_ni_syscall,
+        [__NR_lseek]                    sys_lseek,
+        [__NR_getpid]                   sys_getpid,
+        [__NR_mount]                    sys_ni_syscall, /* sys_mount */
+        [__NR_umount]                   sys_ni_syscall,
+        [__NR_setuid]                   sys_setuid,
+        [__NR_getuid]                   sys_getuid,
+        [__NR_stime]                    sys_stime,
+        [__NR_ptrace]                   sys_ni_syscall, /* sys_ptrace */
+        [__NR_alarm]                    sys_alarm,
+        [__NR_oldfstat]                 sys_ni_syscall,
+        [__NR_pause]                    sys_ni_syscall, /* sys_pause */
+        [__NR_utime]                    sys_ni_syscall, /* sys_utime */
+        [__NR_stty]                     sys_ni_syscall,
+        [__NR_gtty]                     sys_ni_syscall,
+        [__NR_access]                   sys_access,
+        [__NR_nice]                     sys_nice,
+        [__NR_ftime]                    sys_ni_syscall,
+        [__NR_sync]                     sys_sync,
+        [__NR_kill]                     sys_kill,
+        [__NR_rename]                   sys_rename,
+        [__NR_mkdir]                    sys_mkdir,
+        [__NR_rmdir]                    sys_rmdir,
+        [__NR_dup]                      sys_dup,
+        [__NR_pipe]                     sys_pipe,
+        [__NR_times]                    sys_times,
+        [__NR_prof]                     sys_ni_syscall,
+        [__NR_brk]                      sys_brk,
+        [__NR_setgid]                   sys_setgid,
+        [__NR_getgid]                   sys_getgid,
+        [__NR_signal]                   sys_ni_syscall, /* sys_signal */
+        [__NR_geteuid]                  sys_geteuid,
+        [__NR_getegid]                  sys_getegid,
+        [__NR_acct]                     sys_ni_syscall, /* sys_acct */
+        [__NR_umount2]                  sys_ni_syscall, /* sys_umount */
+        [__NR_lock]                     sys_ni_syscall,
+        [__NR_ioctl]                    sys_ioctl,
+        [__NR_fcntl]                    sys_fcntl,
+        [__NR_mpx]                      sys_ni_syscall,
+        [__NR_setpgid]                  sys_setpgid,
+        [__NR_ulimit]                   sys_ni_syscall,
+        [__NR_oldolduname]              sys_ni_syscall,
+        [__NR_umask]                    sys_umask,
+        [__NR_chroot]                   sys_chroot,
+        [__NR_ustat]                    sys_ni_syscall, /* sys_ustat */
+        [__NR_dup2]                     sys_dup2,
+        [__NR_getppid]                  sys_getppid,
+        [__NR_getpgrp]                  sys_getpgrp,
+        [__NR_setsid]                   sys_setsid,
+        [__NR_sigaction]                sys_ni_syscall,
+        [__NR_sgetmask]                 sys_sgetmask,
+        [__NR_ssetmask]                 sys_ssetmask,
+        [__NR_setreuid]                 sys_setreuid,
+        [__NR_setregid]                 sys_setregid,
+        [__NR_sigsuspend]               sys_ni_syscall,
+        [__NR_sigpending]               sys_ni_syscall,
+        [__NR_sethostname]              sys_sethostname,
+        [__NR_setrlimit]                sys_setrlimit,
+        [__NR_getrlimit]                sys_ni_syscall,
+        [__NR_getrusage]                sys_getrusage,
+        [__NR_gettimeofday]             sys_gettimeofday,
+        [__NR_settimeofday]             sys_settimeofday,
+        [__NR_getgroups]                sys_getgroups,
+        [__NR_setgroups]                sys_setgroups,
+        [__NR_select]                   sys_ni_syscall,
+        [__NR_symlink]                  sys_symlink,
+        [__NR_oldlstat]                 sys_ni_syscall,
+        [__NR_readlink]                 sys_readlink,
+        [__NR_uselib]                   sys_ni_syscall, /* sys_uselib */
+        [__NR_swapon]                   sys_ni_syscall, /* sys_swapon */
+        [__NR_reboot]                   sys_ni_syscall, /* sys_reboot */
+        [__NR_readdir]                  sys_ni_syscall,
+        [__NR_mmap]                     sys_mmap,
+        [__NR_munmap]                   sys_munmap,
+        [__NR_truncate]                 sys_truncate,
+        [__NR_ftruncate]                sys_ftruncate,
+        [__NR_fchmod]                   sys_fchmod,
+        [__NR_fchown]                   sys_fchown,
+        [__NR_getpriority]              sys_getpriority,
+        [__NR_setpriority]              sys_setpriority,
+        [__NR_profil]                   sys_ni_syscall,
+        [__NR_statfs]                   sys_ni_syscall, /* sys_statfs */
+        [__NR_fstatfs]                  sys_ni_syscall, /* sys_fstatfs */
+        [__NR_ioperm]                   sys_ni_syscall,
+        [__NR_socketcall]               sys_socketcall,
+        [__NR_syslog]                   sys_syslog,
+        [__NR_setitimer]                sys_setitimer,
+        [__NR_getitimer]                sys_getitimer,
+        [__NR_stat]                     sys_newstat,
+        [__NR_lstat]                    sys_newlstat,
+        [__NR_fstat]                    sys_newfstat,
+        [__NR_olduname]                 sys_ni_syscall,
+        [__NR_iopl]                     sys_ni_syscall,
+        [__NR_vhangup]                  sys_vhangup,
+        [__NR_idle]                     sys_ni_syscall,
+        [__NR_vm86]                     sys_ni_syscall,
+        [__NR_wait4]                    sys_wait4,
+        [__NR_swapoff]                  sys_ni_syscall, /* sys_swapoff */
+        [__NR_sysinfo]                  sys_sysinfo,
+        [__NR_ipc]                      sys_ni_syscall, /* sys_ipc */
+        [__NR_fsync]                    sys_fsync,
+        [__NR_sigreturn]                sys_ni_syscall,
+        [__NR_clone]                    sys_ni_syscall, /* ppc_clone */
+        [__NR_setdomainname]            sys_setdomainname,
+        [__NR_uname]                    ppc_newuname,
+        [__NR_modify_ldt]               sys_ni_syscall,
+        [__NR_adjtimex]                 sys_adjtimex,
+        [__NR_mprotect]                 sys_mprotect,
+        [__NR_sigprocmask]              sys_ni_syscall,
+        [__NR_create_module]            sys_ni_syscall,
+        [__NR_init_module]              sys_ni_syscall, /* sys_init_module */
+        [__NR_delete_module]            sys_ni_syscall, /* sys_delete_module */
+        [__NR_get_kernel_syms]          sys_ni_syscall,
+        [__NR_quotactl]                 sys_ni_syscall, /* sys_quotactl */
+        [__NR_getpgid]                  sys_getpgid,
+        [__NR_fchdir]                   sys_fchdir,
+        [__NR_bdflush]                  sys_bdflush,
+        [__NR_sysfs]                    sys_ni_syscall, /* sys_sysfs */
+        [__NR_personality]              ppc64_personality,
+        [__NR_afs_syscall]              sys_ni_syscall,
+        [__NR_setfsuid]                 sys_setfsuid,
+        [__NR_setfsgid]                 sys_setfsgid,
+        [__NR__llseek]                  sys_llseek,
+        [__NR_getdents]                 sys_getdents,
+        [__NR__newselect]               sys_select,
+        [__NR_flock]                    sys_flock,
+        [__NR_msync]                    sys_msync,
+        [__NR_readv]                    sys_readv,
+        [__NR_writev]                   sys_writev,
+        [__NR_getsid]                   sys_getsid,
+        [__NR_fdatasync]                sys_fdatasync,
+        [__NR__sysctl]                  sys_ni_syscall, /* sys_sysctl */
+        [__NR_mlock]                    sys_mlock,
+        [__NR_munlock]                  sys_munlock,
+        [__NR_mlockall]                 sys_mlockall,
+        [__NR_munlockall]               sys_munlockall,
+        [__NR_sched_setparam]           sys_sched_setparam,
+        [__NR_sched_getparam]           sys_sched_getparam,
+        [__NR_sched_setscheduler]       sys_sched_setscheduler,
+        [__NR_sched_getscheduler]       sys_sched_getscheduler,
+        [__NR_sched_yield]              sys_sched_yield,
+        [__NR_sched_get_priority_max]   sys_sched_get_priority_max,
+        [__NR_sched_get_priority_min]   sys_sched_get_priority_min,
+        [__NR_sched_rr_get_interval]    sys_sched_rr_get_interval,
+        [__NR_nanosleep]                sys_nanosleep,
+        [__NR_mremap]                   sys_mremap,
+        [__NR_setresuid]                sys_setresuid,
+        [__NR_getresuid]                sys_getresuid,
+        [__NR_query_module]             sys_ni_syscall,
+        [__NR_poll]                     sys_poll,
+        [__NR_nfsservctl]               sys_ni_syscall, /* sys_nfsservctl */
+        [__NR_setresgid]                sys_setresgid,
+        [__NR_getresgid]                sys_getresgid,
+        [__NR_prctl]                    sys_prctl,
+        [__NR_rt_sigreturn]             sys_ni_syscall, /* ppc64_rt_sigreturn */
+        [__NR_rt_sigaction]             sys_ni_syscall, /* sys_rt_sigaction */
+        [__NR_rt_sigprocmask]           sys_ni_syscall, /* sys_rt_sigprocmask */
+        [__NR_rt_sigpending]            sys_ni_syscall, /* sys_rt_sigpending */
+        [__NR_rt_sigtimedwait]          sys_ni_syscall, /* sys_rt_sigtimedwait */
+        [__NR_rt_sigqueueinfo]          sys_ni_syscall, /* sys_rt_sigqueueinfo */
+        [__NR_rt_sigsuspend]            sys_ni_syscall, /* sys_rt_sigsuspend */
+        [__NR_pread64]                  sys_pread64,
+        [__NR_pwrite64]                 sys_pwrite64,
+        [__NR_chown]                    sys_chown,
+        [__NR_getcwd]                   sys_getcwd,
+        [__NR_capget]                   sys_capget,
+        [__NR_capset]                   sys_capset,
+        [__NR_sigaltstack]              sys_ni_syscall, /* sys_sigaltstack */
+        [__NR_sendfile]                 sys_sendfile64,
+        [__NR_getpmsg]                  sys_ni_syscall,
+        [__NR_putpmsg]                  sys_ni_syscall,
+        [__NR_vfork]                    sys_ni_syscall, /* ppc_vfork */
+        [__NR_ugetrlimit]               sys_getrlimit,
+        [__NR_readahead]                sys_readahead,
+        [192]                           sys_ni_syscall,
+        [193]                           sys_ni_syscall,
+        [194]                           sys_ni_syscall,
+        [195]                           sys_ni_syscall,
+        [196]                           sys_ni_syscall,
+        [197]                           sys_ni_syscall,
+        [__NR_pciconfig_read]           sys_ni_syscall, /* sys_pciconfig_read */
+        [__NR_pciconfig_write]          sys_ni_syscall, /* sys_pciconfig_write */
+        [__NR_pciconfig_iobase]         sys_ni_syscall, /* sys_pciconfig_iobase */
+        [__NR_multiplexer]              sys_ni_syscall,
+        [__NR_getdents64]               sys_getdents64,
+        [__NR_pivot_root]               sys_pivot_root,
+        [204]                           sys_ni_syscall,
+        [__NR_madvise]                  sys_madvise,
+        [__NR_mincore]                  sys_mincore,
+        [__NR_gettid]                   sys_gettid,
+        [__NR_tkill]                    sys_tkill,
+        [__NR_setxattr]                 sys_setxattr,
+        [__NR_lsetxattr]                sys_lsetxattr,
+        [__NR_fsetxattr]                sys_fsetxattr,
+        [__NR_getxattr]                 sys_getxattr,
+        [__NR_lgetxattr]                sys_lgetxattr,
+        [__NR_fgetxattr]                sys_fgetxattr,
+        [__NR_listxattr]                sys_listxattr,
+        [__NR_llistxattr]               sys_llistxattr,
+        [__NR_flistxattr]               sys_flistxattr,
+        [__NR_removexattr]              sys_removexattr,
+        [__NR_lremovexattr]             sys_lremovexattr,
+        [__NR_fremovexattr]             sys_fremovexattr,
+        [__NR_futex]                    sys_futex,
+        [__NR_sched_setaffinity]        sys_sched_setaffinity,
+        [__NR_sched_getaffinity]        sys_sched_getaffinity,
+        [__NR_tuxcall]                  sys_ni_syscall,
+        [226]                           sys_ni_syscall,
+        [__NR_io_setup]                 sys_io_setup,
+        [__NR_io_destroy]               sys_io_destroy,
+        [__NR_io_getevents]             sys_io_getevents,
+        [__NR_io_submit]                sys_io_submit,
+        [__NR_io_cancel]                sys_io_cancel,
+        [__NR_set_tid_address]          sys_ni_syscall, /* sys_set_tid_address */
+        [__NR_fadvise64]                sys_fadvise64,
+        [__NR_exit_group]               sys_ni_syscall, /* sys_exit_group */
+        [__NR_lookup_dcookie]           sys_ni_syscall, /* sys_lookup_dcookie */
+        [__NR_epoll_create]             sys_epoll_create,
+        [__NR_epoll_ctl]                sys_epoll_ctl,
+        [__NR_epoll_wait]               sys_epoll_wait,
+        [__NR_remap_file_pages]         sys_remap_file_pages,
+        [__NR_timer_create]             sys_timer_create,
+        [__NR_timer_settime]            sys_timer_settime,
+        [__NR_timer_gettime]            sys_timer_gettime,
+        [__NR_timer_getoverrun]         sys_timer_getoverrun,
+        [__NR_timer_delete]             sys_timer_delete,
+        [__NR_clock_settime]            sys_clock_settime,
+        [__NR_clock_gettime]            sys_clock_gettime,
+        [__NR_clock_getres]             sys_clock_getres,
+        [__NR_clock_nanosleep]          sys_clock_nanosleep,
+        [__NR_swapcontext]              sys_ni_syscall, /* ppc64_swapcontext */
+        [__NR_tgkill]                   sys_tgkill,
+        [__NR_utimes]                   sys_utimes,
+        [__NR_statfs64]                 sys_statfs64,
+        [__NR_fstatfs64]                sys_fstatfs64,
+        [254]                           sys_ni_syscall,
+        [__NR_rtas]                     ppc_rtas,
+        [256]                           sys_ni_syscall,
+        [257]                           sys_ni_syscall,
+        [258]                           sys_ni_syscall,
+        [__NR_mbind]                    sys_ni_syscall, /* sys_mbind */
+        [__NR_get_mempolicy]            sys_ni_syscall, /* sys_get_mempolicy */
+        [__NR_set_mempolicy]            sys_ni_syscall, /* sys_set_mempolicy */
+        [__NR_mq_open]                  sys_ni_syscall, /* sys_mq_open */
+        [__NR_mq_unlink]                sys_ni_syscall, /* sys_mq_unlink */
+        [__NR_mq_timedsend]             sys_ni_syscall, /* sys_mq_timedsend */
+        [__NR_mq_timedreceive]          sys_ni_syscall, /* sys_mq_timedreceive */
+        [__NR_mq_notify]                sys_ni_syscall, /* sys_mq_notify */
+        [__NR_mq_getsetattr]            sys_ni_syscall, /* sys_mq_getsetattr */
+        [__NR_kexec_load]               sys_ni_syscall, /* sys_kexec_load */
+        [__NR_add_key]                  sys_ni_syscall, /* sys_add_key */
+        [__NR_request_key]              sys_ni_syscall, /* sys_request_key */
+        [__NR_keyctl]                   sys_ni_syscall, /* sys_keyctl */
+        [__NR_waitid]                   sys_ni_syscall, /* sys_waitid */
+        [__NR_ioprio_set]               sys_ni_syscall, /* sys_ioprio_set */
+        [__NR_ioprio_get]               sys_ni_syscall, /* sys_ioprio_get */
+        [__NR_inotify_init]             sys_ni_syscall, /* sys_inotify_init */
+        [__NR_inotify_add_watch]        sys_ni_syscall, /* sys_inotify_add_watch */
+        [__NR_inotify_rm_watch]         sys_ni_syscall, /* sys_inotify_rm_watch */
+        [__NR_spu_run]                  sys_ni_syscall, /* sys_spu_run */
+        [__NR_spu_create]               sys_ni_syscall, /* sys_spu_create */
+        [__NR_pselect6]                 sys_ni_syscall, /* sys_pselect */
+        [__NR_ppoll]                    sys_ni_syscall, /* sys_ppoll */
+        [__NR_unshare]                  sys_unshare,
+};
+
+long spu_sys_callback(struct spu_syscall_block *s)
+{
+        long (*syscall)(u64 a1, u64 a2, u64 a3, u64 a4, u64 a5, u64 a6);
+
+        BUILD_BUG_ON(ARRAY_SIZE(spu_syscall_table) != __NR_syscalls);
+
+        syscall = spu_syscall_table[s->nr_ret];
+
+        if (s->nr_ret >= __NR_syscalls) {
+                pr_debug("%s: invalid syscall #%ld", __FUNCTION__, s->nr_ret);
+                return -ENOSYS;
+        }
+
+#ifdef DEBUG
+        print_symbol(KERN_DEBUG "SPU-syscall %s:", (unsigned long)syscall);
+        printk("syscall%ld(%lx, %lx, %lx, %lx, %lx, %lx)\n",
+                        s->nr_ret,
+                        s->parm[0], s->parm[1], s->parm[2],
+                        s->parm[3], s->parm[4], s->parm[5]);
+#endif
+
+        return syscall(s->parm[0], s->parm[1], s->parm[2],
+                       s->parm[3], s->parm[4], s->parm[5]);
+}
+EXPORT_SYMBOL_GPL(spu_sys_callback);
diff --git a/arch/powerpc/platforms/cell/spufs/backing_ops.c b/arch/powerpc/platforms/cell/spufs/backing_ops.c
index a5c489a53c61..f1d35ddc9df3 100644
--- a/arch/powerpc/platforms/cell/spufs/backing_ops.c
+++ b/arch/powerpc/platforms/cell/spufs/backing_ops.c
@@ -285,6 +285,49 @@ static void spu_backing_runcntl_stop(struct spu_context *ctx)
         spu_backing_runcntl_write(ctx, SPU_RUNCNTL_STOP);
 }
 
+static int spu_backing_set_mfc_query(struct spu_context * ctx, u32 mask,
+                                        u32 mode)
+{
+        struct spu_problem_collapsed *prob = &ctx->csa.prob;
+        int ret;
+
+        spin_lock(&ctx->csa.register_lock);
+        ret = -EAGAIN;
+        if (prob->dma_querytype_RW)
+                goto out;
+        ret = 0;
+        /* FIXME: what are the side-effects of this? */
+        prob->dma_querymask_RW = mask;
+        prob->dma_querytype_RW = mode;
+out:
+        spin_unlock(&ctx->csa.register_lock);
+
+        return ret;
+}
+
+static u32 spu_backing_read_mfc_tagstatus(struct spu_context * ctx)
+{
+        return ctx->csa.prob.dma_tagstatus_R;
+}
+
+static u32 spu_backing_get_mfc_free_elements(struct spu_context *ctx)
+{
+        return ctx->csa.prob.dma_qstatus_R;
+}
+
+static int spu_backing_send_mfc_command(struct spu_context *ctx,
+                                        struct mfc_dma_command *cmd)
+{
+        int ret;
+
+        spin_lock(&ctx->csa.register_lock);
+        ret = -EAGAIN;
+        /* FIXME: set up priv2->puq */
+        spin_unlock(&ctx->csa.register_lock);
+
+        return ret;
+}
+
 struct spu_context_ops spu_backing_ops = {
         .mbox_read = spu_backing_mbox_read,
         .mbox_stat_read = spu_backing_mbox_stat_read,
@@ -305,4 +348,8 @@ struct spu_context_ops spu_backing_ops = {
         .get_ls = spu_backing_get_ls,
         .runcntl_write = spu_backing_runcntl_write,
         .runcntl_stop = spu_backing_runcntl_stop,
+        .set_mfc_query = spu_backing_set_mfc_query,
+        .read_mfc_tagstatus = spu_backing_read_mfc_tagstatus,
+        .get_mfc_free_elements = spu_backing_get_mfc_free_elements,
+        .send_mfc_command = spu_backing_send_mfc_command,
 };
diff --git a/arch/powerpc/platforms/cell/spufs/context.c b/arch/powerpc/platforms/cell/spufs/context.c
index 336f238102fd..8bb33abfad17 100644
--- a/arch/powerpc/platforms/cell/spufs/context.c
+++ b/arch/powerpc/platforms/cell/spufs/context.c
@@ -27,7 +27,7 @@
 #include <asm/spu_csa.h>
 #include "spufs.h"
 
-struct spu_context *alloc_spu_context(struct address_space *local_store)
+struct spu_context *alloc_spu_context(void)
 {
         struct spu_context *ctx;
         ctx = kmalloc(sizeof *ctx, GFP_KERNEL);
@@ -47,10 +47,17 @@ struct spu_context *alloc_spu_context(struct address_space *local_store)
         init_waitqueue_head(&ctx->ibox_wq);
         init_waitqueue_head(&ctx->wbox_wq);
         init_waitqueue_head(&ctx->stop_wq);
+        init_waitqueue_head(&ctx->mfc_wq);
         ctx->ibox_fasync = NULL;
         ctx->wbox_fasync = NULL;
+        ctx->mfc_fasync = NULL;
+        ctx->mfc = NULL;
+        ctx->tagwait = 0;
         ctx->state = SPU_STATE_SAVED;
-        ctx->local_store = local_store;
+        ctx->local_store = NULL;
+        ctx->cntl = NULL;
+        ctx->signal1 = NULL;
+        ctx->signal2 = NULL;
         ctx->spu = NULL;
         ctx->ops = &spu_backing_ops;
         ctx->owner = get_task_mm(current);
@@ -68,8 +75,6 @@ void destroy_spu_context(struct kref *kref)
         ctx = container_of(kref, struct spu_context, kref);
         down_write(&ctx->state_sema);
         spu_deactivate(ctx);
-        ctx->ibox_fasync = NULL;
-        ctx->wbox_fasync = NULL;
         up_write(&ctx->state_sema);
         spu_fini_csa(&ctx->csa);
         kfree(ctx);
@@ -109,7 +114,16 @@ void spu_release(struct spu_context *ctx)
 
 void spu_unmap_mappings(struct spu_context *ctx)
 {
-        unmap_mapping_range(ctx->local_store, 0, LS_SIZE, 1);
+        if (ctx->local_store)
+                unmap_mapping_range(ctx->local_store, 0, LS_SIZE, 1);
+        if (ctx->mfc)
+                unmap_mapping_range(ctx->mfc, 0, 0x4000, 1);
+        if (ctx->cntl)
+                unmap_mapping_range(ctx->cntl, 0, 0x4000, 1);
+        if (ctx->signal1)
+                unmap_mapping_range(ctx->signal1, 0, 0x4000, 1);
+        if (ctx->signal2)
+                unmap_mapping_range(ctx->signal2, 0, 0x4000, 1);
 }
 
 int spu_acquire_runnable(struct spu_context *ctx)
diff --git a/arch/powerpc/platforms/cell/spufs/file.c b/arch/powerpc/platforms/cell/spufs/file.c
index dfa649c9b956..366185e92667 100644
--- a/arch/powerpc/platforms/cell/spufs/file.c
+++ b/arch/powerpc/platforms/cell/spufs/file.c
@@ -20,6 +20,8 @@
  * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
  */
 
+#undef DEBUG
+
 #include <linux/fs.h>
 #include <linux/ioctl.h>
 #include <linux/module.h>
@@ -39,8 +41,10 @@ static int
 spufs_mem_open(struct inode *inode, struct file *file)
 {
         struct spufs_inode_info *i = SPUFS_I(inode);
-        file->private_data = i->i_ctx;
-        file->f_mapping = i->i_ctx->local_store;
+        struct spu_context *ctx = i->i_ctx;
+        file->private_data = ctx;
+        file->f_mapping = inode->i_mapping;
+        ctx->local_store = inode->i_mapping;
         return 0;
 }
 
@@ -84,7 +88,7 @@ spufs_mem_write(struct file *file, const char __user *buffer,
         return ret;
 }
 
-#ifdef CONFIG_SPARSEMEM
+#ifdef CONFIG_SPUFS_MMAP
 static struct page *
 spufs_mem_mmap_nopage(struct vm_area_struct *vma,
                       unsigned long address, int *type)
@@ -136,11 +140,113 @@ static struct file_operations spufs_mem_fops = {
         .read    = spufs_mem_read,
         .write   = spufs_mem_write,
         .llseek  = generic_file_llseek,
-#ifdef CONFIG_SPARSEMEM
+#ifdef CONFIG_SPUFS_MMAP
         .mmap    = spufs_mem_mmap,
 #endif
 };
 
+#ifdef CONFIG_SPUFS_MMAP
+static struct page *spufs_ps_nopage(struct vm_area_struct *vma,
+                                    unsigned long address,
+                                    int *type, unsigned long ps_offs)
+{
+        struct page *page = NOPAGE_SIGBUS;
+        int fault_type = VM_FAULT_SIGBUS;
+        struct spu_context *ctx = vma->vm_file->private_data;
+        unsigned long offset = address - vma->vm_start;
+        unsigned long area;
+        int ret;
+
+        offset += vma->vm_pgoff << PAGE_SHIFT;
+        if (offset >= 0x4000)
+                goto out;
+
+        ret = spu_acquire_runnable(ctx);
+        if (ret)
+                goto out;
+
+        area = ctx->spu->problem_phys + ps_offs;
+        page = pfn_to_page((area + offset) >> PAGE_SHIFT);
+        fault_type = VM_FAULT_MINOR;
+        page_cache_get(page);
+
+        spu_release(ctx);
+
+      out:
+        if (type)
+                *type = fault_type;
+
+        return page;
+}
+
+static struct page *spufs_cntl_mmap_nopage(struct vm_area_struct *vma,
+                                           unsigned long address, int *type)
+{
+        return spufs_ps_nopage(vma, address, type, 0x4000);
+}
+
+static struct vm_operations_struct spufs_cntl_mmap_vmops = {
+        .nopage = spufs_cntl_mmap_nopage,
+};
+
+/*
+ * mmap support for problem state control area [0x4000 - 0x4fff].
+ * Mapping this area requires that the application have CAP_SYS_RAWIO,
+ * as these registers require special care when read/writing.
+ */
+static int spufs_cntl_mmap(struct file *file, struct vm_area_struct *vma)
+{
+        if (!(vma->vm_flags & VM_SHARED))
+                return -EINVAL;
+
+        if (!capable(CAP_SYS_RAWIO))
+                return -EPERM;
+
+        vma->vm_flags |= VM_RESERVED;
+        vma->vm_page_prot = __pgprot(pgprot_val(vma->vm_page_prot)
+                                     | _PAGE_NO_CACHE);
+
+        vma->vm_ops = &spufs_cntl_mmap_vmops;
+        return 0;
+}
+#endif
+
+static int spufs_cntl_open(struct inode *inode, struct file *file)
+{
+        struct spufs_inode_info *i = SPUFS_I(inode);
+        struct spu_context *ctx = i->i_ctx;
+
+        file->private_data = ctx;
+        file->f_mapping = inode->i_mapping;
+        ctx->cntl = inode->i_mapping;
+        return 0;
+}
+
+static ssize_t
+spufs_cntl_read(struct file *file, char __user *buffer,
+                size_t size, loff_t *pos)
+{
+        /* FIXME: read from spu status */
+        return -EINVAL;
+}
+
+static ssize_t
+spufs_cntl_write(struct file *file, const char __user *buffer,
+                 size_t size, loff_t *pos)
+{
+        /* FIXME: write to runctl bit */
+        return -EINVAL;
+}
+
+static struct file_operations spufs_cntl_fops = {
+        .open = spufs_cntl_open,
+        .read = spufs_cntl_read,
+        .write = spufs_cntl_write,
+#ifdef CONFIG_SPUFS_MMAP
+        .mmap = spufs_cntl_mmap,
+#endif
+};
+
 static int
 spufs_regs_open(struct inode *inode, struct file *file)
 {
@@ -501,6 +607,16 @@ static struct file_operations spufs_wbox_stat_fops = {
         .read   = spufs_wbox_stat_read,
 };
 
+static int spufs_signal1_open(struct inode *inode, struct file *file)
+{
+        struct spufs_inode_info *i = SPUFS_I(inode);
+        struct spu_context *ctx = i->i_ctx;
+        file->private_data = ctx;
+        file->f_mapping = inode->i_mapping;
+        ctx->signal1 = inode->i_mapping;
+        return nonseekable_open(inode, file);
+}
+
 static ssize_t spufs_signal1_read(struct file *file, char __user *buf,
                         size_t len, loff_t *pos)
 {
@@ -541,12 +657,50 @@ static ssize_t spufs_signal1_write(struct file *file, const char __user *buf,
         return 4;
 }
 
+#ifdef CONFIG_SPUFS_MMAP
+static struct page *spufs_signal1_mmap_nopage(struct vm_area_struct *vma,
+                                              unsigned long address, int *type)
+{
+        return spufs_ps_nopage(vma, address, type, 0x14000);
+}
+
+static struct vm_operations_struct spufs_signal1_mmap_vmops = {
+        .nopage = spufs_signal1_mmap_nopage,
+};
+
+static int spufs_signal1_mmap(struct file *file, struct vm_area_struct *vma)
+{
+        if (!(vma->vm_flags & VM_SHARED))
+                return -EINVAL;
+
+        vma->vm_flags |= VM_RESERVED;
+        vma->vm_page_prot = __pgprot(pgprot_val(vma->vm_page_prot)
+                                     | _PAGE_NO_CACHE);
+
+        vma->vm_ops = &spufs_signal1_mmap_vmops;
+        return 0;
+}
+#endif
+
 static struct file_operations spufs_signal1_fops = {
-        .open = spufs_pipe_open,
+        .open = spufs_signal1_open,
         .read = spufs_signal1_read,
         .write = spufs_signal1_write,
+#ifdef CONFIG_SPUFS_MMAP
+        .mmap = spufs_signal1_mmap,
+#endif
 };
 
+static int spufs_signal2_open(struct inode *inode, struct file *file)
+{
+        struct spufs_inode_info *i = SPUFS_I(inode);
+        struct spu_context *ctx = i->i_ctx;
+        file->private_data = ctx;
+        file->f_mapping = inode->i_mapping;
+        ctx->signal2 = inode->i_mapping;
+        return nonseekable_open(inode, file);
+}
+
 static ssize_t spufs_signal2_read(struct file *file, char __user *buf,
                         size_t len, loff_t *pos)
 {
@@ -589,10 +743,39 @@ static ssize_t spufs_signal2_write(struct file *file, const char __user *buf,
         return 4;
 }
 
+#ifdef CONFIG_SPUFS_MMAP
+static struct page *spufs_signal2_mmap_nopage(struct vm_area_struct *vma,
+                                              unsigned long address, int *type)
+{
+        return spufs_ps_nopage(vma, address, type, 0x1c000);
+}
+
+static struct vm_operations_struct spufs_signal2_mmap_vmops = {
+        .nopage = spufs_signal2_mmap_nopage,
+};
+
+static int spufs_signal2_mmap(struct file *file, struct vm_area_struct *vma)
+{
+        if (!(vma->vm_flags & VM_SHARED))
+                return -EINVAL;
+
+        /* FIXME: */
+        vma->vm_flags |= VM_RESERVED;
+        vma->vm_page_prot = __pgprot(pgprot_val(vma->vm_page_prot)
+                                     | _PAGE_NO_CACHE);
+
+        vma->vm_ops = &spufs_signal2_mmap_vmops;
+        return 0;
+}
+#endif
+
 static struct file_operations spufs_signal2_fops = {
-        .open = spufs_pipe_open,
+        .open = spufs_signal2_open,
         .read = spufs_signal2_read,
         .write = spufs_signal2_write,
+#ifdef CONFIG_SPUFS_MMAP
+        .mmap = spufs_signal2_mmap,
+#endif
 };
 
 static void spufs_signal1_type_set(void *data, u64 val)
@@ -641,6 +824,332 @@ static u64 spufs_signal2_type_get(void *data)
 DEFINE_SIMPLE_ATTRIBUTE(spufs_signal2_type, spufs_signal2_type_get,
                                         spufs_signal2_type_set, "%llu");
 
+#ifdef CONFIG_SPUFS_MMAP
+static struct page *spufs_mfc_mmap_nopage(struct vm_area_struct *vma,
+                                           unsigned long address, int *type)
+{
+        return spufs_ps_nopage(vma, address, type, 0x3000);
+}
+
+static struct vm_operations_struct spufs_mfc_mmap_vmops = {
+        .nopage = spufs_mfc_mmap_nopage,
+};
+
+/*
+ * mmap support for problem state MFC DMA area [0x0000 - 0x0fff].
+ * Mapping this area requires that the application have CAP_SYS_RAWIO,
+ * as these registers require special care when read/writing.
+ */
+static int spufs_mfc_mmap(struct file *file, struct vm_area_struct *vma)
+{
+        if (!(vma->vm_flags & VM_SHARED))
+                return -EINVAL;
+
+        if (!capable(CAP_SYS_RAWIO))
+                return -EPERM;
+
+        vma->vm_flags |= VM_RESERVED;
+        vma->vm_page_prot = __pgprot(pgprot_val(vma->vm_page_prot)
+                                     | _PAGE_NO_CACHE);
+
+        vma->vm_ops = &spufs_mfc_mmap_vmops;
+        return 0;
+}
+#endif
+
+static int spufs_mfc_open(struct inode *inode, struct file *file)
+{
+        struct spufs_inode_info *i = SPUFS_I(inode);
+        struct spu_context *ctx = i->i_ctx;
+
+        /* we don't want to deal with DMA into other processes */
+        if (ctx->owner != current->mm)
+                return -EINVAL;
+
+        if (atomic_read(&inode->i_count) != 1)
+                return -EBUSY;
+
+        file->private_data = ctx;
+        return nonseekable_open(inode, file);
+}
+
+/* interrupt-level mfc callback function. */
+void spufs_mfc_callback(struct spu *spu)
+{
+        struct spu_context *ctx = spu->ctx;
+
+        wake_up_all(&ctx->mfc_wq);
+
+        pr_debug("%s %s\n", __FUNCTION__, spu->name);
+        if (ctx->mfc_fasync) {
+                u32 free_elements, tagstatus;
+                unsigned int mask;
+
+                /* no need for spu_acquire in interrupt context */
+                free_elements = ctx->ops->get_mfc_free_elements(ctx);
+                tagstatus = ctx->ops->read_mfc_tagstatus(ctx);
+
+                mask = 0;
+                if (free_elements & 0xffff)
+                        mask |= POLLOUT;
+                if (tagstatus & ctx->tagwait)
+                        mask |= POLLIN;
+
+                kill_fasync(&ctx->mfc_fasync, SIGIO, mask);
+        }
+}
+
+static int spufs_read_mfc_tagstatus(struct spu_context *ctx, u32 *status)
+{
+        /* See if there is one tag group is complete */
+        /* FIXME we need locking around tagwait */
+        *status = ctx->ops->read_mfc_tagstatus(ctx) & ctx->tagwait;
+        ctx->tagwait &= ~*status;
+        if (*status)
+                return 1;
+
+        /* enable interrupt waiting for any tag group,
+           may silently fail if interrupts are already enabled */
+        ctx->ops->set_mfc_query(ctx, ctx->tagwait, 1);
+        return 0;
+}
+
+static ssize_t spufs_mfc_read(struct file *file, char __user *buffer,
+                        size_t size, loff_t *pos)
+{
+        struct spu_context *ctx = file->private_data;
+        int ret = -EINVAL;
+        u32 status;
+
+        if (size != 4)
+                goto out;
+
+        spu_acquire(ctx);
+        if (file->f_flags & O_NONBLOCK) {
+                status = ctx->ops->read_mfc_tagstatus(ctx);
+                if (!(status & ctx->tagwait))
+                        ret = -EAGAIN;
+                else
+                        ctx->tagwait &= ~status;
+        } else {
+                ret = spufs_wait(ctx->mfc_wq,
+                           spufs_read_mfc_tagstatus(ctx, &status));
+        }
+        spu_release(ctx);
+
+        if (ret)
+                goto out;
+
+        ret = 4;
+        if (copy_to_user(buffer, &status, 4))
+                ret = -EFAULT;
+
+out:
+        return ret;
+}
+
+static int spufs_check_valid_dma(struct mfc_dma_command *cmd)
+{
+        pr_debug("queueing DMA %x %lx %x %x %x\n", cmd->lsa,
+                 cmd->ea, cmd->size, cmd->tag, cmd->cmd);
+
+        switch (cmd->cmd) {
+        case MFC_PUT_CMD:
+        case MFC_PUTF_CMD:
+        case MFC_PUTB_CMD:
+        case MFC_GET_CMD:
+        case MFC_GETF_CMD:
+        case MFC_GETB_CMD:
+                break;
+        default:
+                pr_debug("invalid DMA opcode %x\n", cmd->cmd);
+                return -EIO;
+        }
+
+        if ((cmd->lsa & 0xf) != (cmd->ea &0xf)) {
+                pr_debug("invalid DMA alignment, ea %lx lsa %x\n",
+                                cmd->ea, cmd->lsa);
+                return -EIO;
+        }
+
+        switch (cmd->size & 0xf) {
+        case 1:
+                break;
+        case 2:
+                if (cmd->lsa & 1)
+                        goto error;
+                break;
+        case 4:
+                if (cmd->lsa & 3)
+                        goto error;
+                break;
+        case 8:
+                if (cmd->lsa & 7)
+                        goto error;
+                break;
+        case 0:
+                if (cmd->lsa & 15)
+                        goto error;
+                break;
+        error:
+        default:
+                pr_debug("invalid DMA alignment %x for size %x\n",
+                        cmd->lsa & 0xf, cmd->size);
+                return -EIO;
+        }
+
+        if (cmd->size > 16 * 1024) {
+                pr_debug("invalid DMA size %x\n", cmd->size);
+                return -EIO;
+        }
+
+        if (cmd->tag & 0xfff0) {
+                /* we reserve the higher tag numbers for kernel use */
+                pr_debug("invalid DMA tag\n");
+                return -EIO;
+        }
+
+        if (cmd->class) {
+                /* not supported in this version */
+                pr_debug("invalid DMA class\n");
+                return -EIO;
+        }
+
+        return 0;
+}
+
+static int spu_send_mfc_command(struct spu_context *ctx,
+                                struct mfc_dma_command cmd,
+                                int *error)
+{
+        *error = ctx->ops->send_mfc_command(ctx, &cmd);
+        if (*error == -EAGAIN) {
+                /* wait for any tag group to complete
+                   so we have space for the new command */
+                ctx->ops->set_mfc_query(ctx, ctx->tagwait, 1);
+                /* try again, because the queue might be
+                   empty again */
+                *error = ctx->ops->send_mfc_command(ctx, &cmd);
+                if (*error == -EAGAIN)
+                        return 0;
+        }
+        return 1;
+}
+
+static ssize_t spufs_mfc_write(struct file *file, const char __user *buffer,
+                        size_t size, loff_t *pos)
+{
+        struct spu_context *ctx = file->private_data;
+        struct mfc_dma_command cmd;
+        int ret = -EINVAL;
+
+        if (size != sizeof cmd)
+                goto out;
+
+        ret = -EFAULT;
+        if (copy_from_user(&cmd, buffer, sizeof cmd))
+                goto out;
+
+        ret = spufs_check_valid_dma(&cmd);
+        if (ret)
+                goto out;
+
+        spu_acquire_runnable(ctx);
+        if (file->f_flags & O_NONBLOCK) {
+                ret = ctx->ops->send_mfc_command(ctx, &cmd);
+        } else {
+                int status;
+                ret = spufs_wait(ctx->mfc_wq,
+                                 spu_send_mfc_command(ctx, cmd, &status));
+                if (status)
+                        ret = status;
+        }
+        spu_release(ctx);
+
+        if (ret)
+                goto out;
+
+        ctx->tagwait |= 1 << cmd.tag;
+
+out:
+        return ret;
+}
+
+static unsigned int spufs_mfc_poll(struct file *file,poll_table *wait)
+{
+        struct spu_context *ctx = file->private_data;
+        u32 free_elements, tagstatus;
+        unsigned int mask;
+
+        spu_acquire(ctx);
+        ctx->ops->set_mfc_query(ctx, ctx->tagwait, 2);
+        free_elements = ctx->ops->get_mfc_free_elements(ctx);
+        tagstatus = ctx->ops->read_mfc_tagstatus(ctx);
+        spu_release(ctx);
+
+        poll_wait(file, &ctx->mfc_wq, wait);
+
+        mask = 0;
+        if (free_elements & 0xffff)
+                mask |= POLLOUT | POLLWRNORM;
+        if (tagstatus & ctx->tagwait)
+                mask |= POLLIN | POLLRDNORM;
+
+        pr_debug("%s: free %d tagstatus %d tagwait %d\n", __FUNCTION__,
+                free_elements, tagstatus, ctx->tagwait);
+
+        return mask;
+}
+
+static int spufs_mfc_flush(struct file *file)
+{
+        struct spu_context *ctx = file->private_data;
+        int ret;
+
+        spu_acquire(ctx);
+#if 0
+/* this currently hangs */
+        ret = spufs_wait(ctx->mfc_wq,
+                         ctx->ops->set_mfc_query(ctx, ctx->tagwait, 2));
+        if (ret)
+                goto out;
+        ret = spufs_wait(ctx->mfc_wq,
+                         ctx->ops->read_mfc_tagstatus(ctx) == ctx->tagwait);
+out:
+#else
+        ret = 0;
+#endif
+        spu_release(ctx);
+
+        return ret;
+}
+
+static int spufs_mfc_fsync(struct file *file, struct dentry *dentry,
+                           int datasync)
+{
+        return spufs_mfc_flush(file);
+}
+
+static int spufs_mfc_fasync(int fd, struct file *file, int on)
+{
+        struct spu_context *ctx = file->private_data;
+
+        return fasync_helper(fd, file, on, &ctx->mfc_fasync);
+}
+
+static struct file_operations spufs_mfc_fops = {
+        .open    = spufs_mfc_open,
+        .read    = spufs_mfc_read,
+        .write   = spufs_mfc_write,
+        .poll    = spufs_mfc_poll,
+        .flush   = spufs_mfc_flush,
+        .fsync   = spufs_mfc_fsync,
+        .fasync  = spufs_mfc_fasync,
+#ifdef CONFIG_SPUFS_MMAP
+        .mmap    = spufs_mfc_mmap,
+#endif
+};
+
 static void spufs_npc_set(void *data, u64 val)
 {
         struct spu_context *ctx = data;
@@ -783,6 +1292,8 @@ struct tree_descr spufs_dir_contents[] = {
         { "signal2", &spufs_signal2_fops, 0666, },
         { "signal1_type", &spufs_signal1_type, 0666, },
         { "signal2_type", &spufs_signal2_type, 0666, },
+        { "mfc", &spufs_mfc_fops, 0666, },
+        { "cntl", &spufs_cntl_fops,  0666, },
         { "npc", &spufs_npc_ops, 0666, },
         { "fpcr", &spufs_fpcr_fops, 0666, },
         { "decr", &spufs_decr_ops, 0666, },
diff --git a/arch/powerpc/platforms/cell/spufs/hw_ops.c b/arch/powerpc/platforms/cell/spufs/hw_ops.c
index 5445719bff79..a13a8b5a014d 100644
--- a/arch/powerpc/platforms/cell/spufs/hw_ops.c
+++ b/arch/powerpc/platforms/cell/spufs/hw_ops.c
@@ -232,6 +232,59 @@ static void spu_hw_runcntl_stop(struct spu_context *ctx)
         spin_unlock_irq(&ctx->spu->register_lock);
 }
 
+static int spu_hw_set_mfc_query(struct spu_context * ctx, u32 mask, u32 mode)
+{
+        struct spu_problem *prob = ctx->spu->problem;
+        int ret;
+
+        spin_lock_irq(&ctx->spu->register_lock);
+        ret = -EAGAIN;
+        if (in_be32(&prob->dma_querytype_RW))
+                goto out;
+        ret = 0;
+        out_be32(&prob->dma_querymask_RW, mask);
+        out_be32(&prob->dma_querytype_RW, mode);
+out:
+        spin_unlock_irq(&ctx->spu->register_lock);
+        return ret;
+}
+
+static u32 spu_hw_read_mfc_tagstatus(struct spu_context * ctx)
+{
+        return in_be32(&ctx->spu->problem->dma_tagstatus_R);
+}
+
+static u32 spu_hw_get_mfc_free_elements(struct spu_context *ctx)
+{
+        return in_be32(&ctx->spu->problem->dma_qstatus_R);
+}
+
+static int spu_hw_send_mfc_command(struct spu_context *ctx,
+                                        struct mfc_dma_command *cmd)
+{
+        u32 status;
+        struct spu_problem *prob = ctx->spu->problem;
+
+        spin_lock_irq(&ctx->spu->register_lock);
+        out_be32(&prob->mfc_lsa_W, cmd->lsa);
+        out_be64(&prob->mfc_ea_W, cmd->ea);
+        out_be32(&prob->mfc_union_W.by32.mfc_size_tag32,
+                                cmd->size << 16 | cmd->tag);
+        out_be32(&prob->mfc_union_W.by32.mfc_class_cmd32,
+                                cmd->class << 16 | cmd->cmd);
+        status = in_be32(&prob->mfc_union_W.by32.mfc_class_cmd32);
+        spin_unlock_irq(&ctx->spu->register_lock);
+
+        switch (status & 0xffff) {
+        case 0:
+                return 0;
+        case 2:
+                return -EAGAIN;
+        default:
+                return -EINVAL;
+        }
+}
+
 struct spu_context_ops spu_hw_ops = {
         .mbox_read = spu_hw_mbox_read,
         .mbox_stat_read = spu_hw_mbox_stat_read,
@@ -252,4 +305,8 @@ struct spu_context_ops spu_hw_ops = {
         .get_ls = spu_hw_get_ls,
         .runcntl_write = spu_hw_runcntl_write,
         .runcntl_stop = spu_hw_runcntl_stop,
+        .set_mfc_query = spu_hw_set_mfc_query,
+        .read_mfc_tagstatus = spu_hw_read_mfc_tagstatus,
+        .get_mfc_free_elements = spu_hw_get_mfc_free_elements,
+        .send_mfc_command = spu_hw_send_mfc_command,
 };
diff --git a/arch/powerpc/platforms/cell/spufs/inode.c b/arch/powerpc/platforms/cell/spufs/inode.c
index 5be40aa483fd..d9554199afa7 100644
--- a/arch/powerpc/platforms/cell/spufs/inode.c
+++ b/arch/powerpc/platforms/cell/spufs/inode.c
@@ -241,7 +241,7 @@ spufs_mkdir(struct inode *dir, struct dentry *dentry, int mode)
                 inode->i_gid = dir->i_gid;
                 inode->i_mode &= S_ISGID;
         }
-        ctx = alloc_spu_context(inode->i_mapping);
+        ctx = alloc_spu_context();
         SPUFS_I(inode)->i_ctx = ctx;
         if (!ctx)
                 goto out_iput;
@@ -442,7 +442,7 @@ static struct file_system_type spufs_type = {
         .kill_sb = kill_litter_super,
 };
 
-static int spufs_init(void)
+static int __init spufs_init(void)
 {
         int ret;
         ret = -ENOMEM;
@@ -472,7 +472,7 @@ out:
 }
 module_init(spufs_init);
 
-static void spufs_exit(void)
+static void __exit spufs_exit(void)
 {
         spu_sched_exit();
         unregister_spu_syscalls(&spufs_calls);
diff --git a/arch/powerpc/platforms/cell/spufs/run.c b/arch/powerpc/platforms/cell/spufs/run.c
index 18ea8866c61a..c04e078c0fe5 100644
--- a/arch/powerpc/platforms/cell/spufs/run.c
+++ b/arch/powerpc/platforms/cell/spufs/run.c
@@ -76,6 +76,90 @@ static inline int spu_reacquire_runnable(struct spu_context *ctx, u32 *npc,
         return 0;
 }
 
+/*
+ * SPU syscall restarting is tricky because we violate the basic
+ * assumption that the signal handler is running on the interrupted
+ * thread. Here instead, the handler runs on PowerPC user space code,
+ * while the syscall was called from the SPU.
+ * This means we can only do a very rough approximation of POSIX
+ * signal semantics.
+ */
+int spu_handle_restartsys(struct spu_context *ctx, long *spu_ret,
+                          unsigned int *npc)
+{
+        int ret;
+
+        switch (*spu_ret) {
+        case -ERESTARTSYS:
+        case -ERESTARTNOINTR:
+                /*
+                 * Enter the regular syscall restarting for
+                 * sys_spu_run, then restart the SPU syscall
+                 * callback.
+                 */
+                *npc -= 8;
+                ret = -ERESTARTSYS;
+                break;
+        case -ERESTARTNOHAND:
+        case -ERESTART_RESTARTBLOCK:
+                /*
+                 * Restart block is too hard for now, just return -EINTR
+                 * to the SPU.
+                 * ERESTARTNOHAND comes from sys_pause, we also return
+                 * -EINTR from there.
+                 * Assume that we need to be restarted ourselves though.
+                 */
+                *spu_ret = -EINTR;
+                ret = -ERESTARTSYS;
+                break;
+        default:
+                printk(KERN_WARNING "%s: unexpected return code %ld\n",
+                        __FUNCTION__, *spu_ret);
+                ret = 0;
+        }
+        return ret;
+}
+
+int spu_process_callback(struct spu_context *ctx)
+{
+        struct spu_syscall_block s;
+        u32 ls_pointer, npc;
+        char *ls;
+        long spu_ret;
+        int ret;
+
+        /* get syscall block from local store */
+        npc = ctx->ops->npc_read(ctx);
+        ls = ctx->ops->get_ls(ctx);
+        ls_pointer = *(u32*)(ls + npc);
+        if (ls_pointer > (LS_SIZE - sizeof(s)))
+                return -EFAULT;
+        memcpy(&s, ls + ls_pointer, sizeof (s));
+
+        /* do actual syscall without pinning the spu */
+        ret = 0;
+        spu_ret = -ENOSYS;
+        npc += 4;
+
+        if (s.nr_ret < __NR_syscalls) {
+                spu_release(ctx);
+                /* do actual system call from here */
+                spu_ret = spu_sys_callback(&s);
+                if (spu_ret <= -ERESTARTSYS) {
+                        ret = spu_handle_restartsys(ctx, &spu_ret, &npc);
+                }
+                spu_acquire(ctx);
+                if (ret == -ERESTARTSYS)
+                        return ret;
+        }
+
+        /* write result, jump over indirect pointer */
+        memcpy(ls + ls_pointer, &spu_ret, sizeof (spu_ret));
+        ctx->ops->npc_write(ctx, npc);
+        ctx->ops->runcntl_write(ctx, SPU_RUNCNTL_RUNNABLE);
+        return ret;
+}
+
 static inline int spu_process_events(struct spu_context *ctx)
 {
         struct spu *spu = ctx->spu;
@@ -107,6 +191,13 @@ long spufs_run_spu(struct file *file, struct spu_context *ctx,
                 ret = spufs_wait(ctx->stop_wq, spu_stopped(ctx, status));
                 if (unlikely(ret))
                         break;
+                if ((*status & SPU_STATUS_STOPPED_BY_STOP) &&
+                    (*status >> SPU_STOP_STATUS_SHIFT == 0x2104)) {
+                        ret = spu_process_callback(ctx);
+                        if (ret)
+                                break;
+                        *status &= ~SPU_STATUS_STOPPED_BY_STOP;
+                }
                 if (unlikely(ctx->state != SPU_STATE_RUNNABLE)) {
                         ret = spu_reacquire_runnable(ctx, npc, status);
                         if (ret)
diff --git a/arch/powerpc/platforms/cell/spufs/sched.c b/arch/powerpc/platforms/cell/spufs/sched.c
index 963182fbd1aa..bf652cd77000 100644
--- a/arch/powerpc/platforms/cell/spufs/sched.c
+++ b/arch/powerpc/platforms/cell/spufs/sched.c
@@ -180,6 +180,7 @@ static inline void bind_context(struct spu *spu, struct spu_context *ctx)
         spu->ibox_callback = spufs_ibox_callback;
         spu->wbox_callback = spufs_wbox_callback;
         spu->stop_callback = spufs_stop_callback;
+        spu->mfc_callback = spufs_mfc_callback;
         mb();
         spu_unmap_mappings(ctx);
         spu_restore(&ctx->csa, spu);
@@ -197,6 +198,7 @@ static inline void unbind_context(struct spu *spu, struct spu_context *ctx)
         spu->ibox_callback = NULL;
         spu->wbox_callback = NULL;
         spu->stop_callback = NULL;
+        spu->mfc_callback = NULL;
         spu->mm = NULL;
         spu->pid = 0;
         spu->prio = MAX_PRIO;
diff --git a/arch/powerpc/platforms/cell/spufs/spufs.h b/arch/powerpc/platforms/cell/spufs/spufs.h
index db2601f0abd5..4485738e2102 100644
--- a/arch/powerpc/platforms/cell/spufs/spufs.h
+++ b/arch/powerpc/platforms/cell/spufs/spufs.h
@@ -43,7 +43,11 @@ struct spu_context {
         struct spu *spu;                  /* pointer to a physical SPU */
         struct spu_state csa;             /* SPU context save area. */
         spinlock_t mmio_lock;             /* protects mmio access */
-        struct address_space *local_store;/* local store backing store */
+        struct address_space *local_store; /* local store mapping.  */
+        struct address_space *mfc;         /* 'mfc' area mappings. */
+        struct address_space *cntl;        /* 'control' area mappings. */
+        struct address_space *signal1;     /* 'signal1' area mappings. */
+        struct address_space *signal2;     /* 'signal2' area mappings. */
 
         enum { SPU_STATE_RUNNABLE, SPU_STATE_SAVED } state;
         struct rw_semaphore state_sema;
@@ -55,13 +59,27 @@ struct spu_context {
         wait_queue_head_t ibox_wq;
         wait_queue_head_t wbox_wq;
         wait_queue_head_t stop_wq;
+        wait_queue_head_t mfc_wq;
         struct fasync_struct *ibox_fasync;
         struct fasync_struct *wbox_fasync;
+        struct fasync_struct *mfc_fasync;
+        u32 tagwait;
         struct spu_context_ops *ops;
         struct work_struct reap_work;
         u64 flags;
 };
 
+struct mfc_dma_command {
+        int32_t pad;    /* reserved */
+        uint32_t lsa;   /* local storage address */
+        uint64_t ea;    /* effective address */
+        uint16_t size;  /* transfer size */
+        uint16_t tag;   /* command tag */
+        uint16_t class; /* class ID */
+        uint16_t cmd;   /* command opcode */
+};
+
+
 /* SPU context query/set operations. */
 struct spu_context_ops {
         int (*mbox_read) (struct spu_context * ctx, u32 * data);
@@ -84,6 +102,11 @@ struct spu_context_ops {
         char*(*get_ls) (struct spu_context * ctx);
         void (*runcntl_write) (struct spu_context * ctx, u32 data);
         void (*runcntl_stop) (struct spu_context * ctx);
+        int (*set_mfc_query)(struct spu_context * ctx, u32 mask, u32 mode);
+        u32 (*read_mfc_tagstatus)(struct spu_context * ctx);
+        u32 (*get_mfc_free_elements)(struct spu_context *ctx);
+        int (*send_mfc_command)(struct spu_context *ctx,
+                                        struct mfc_dma_command *cmd);
 };
 
 extern struct spu_context_ops spu_hw_ops;
@@ -106,7 +129,7 @@ long spufs_create_thread(struct nameidata *nd,
 extern struct file_operations spufs_context_fops;
 
 /* context management */
-struct spu_context * alloc_spu_context(struct address_space *local_store);
+struct spu_context * alloc_spu_context(void);
 void destroy_spu_context(struct kref *kref);
 struct spu_context * get_spu_context(struct spu_context *ctx);
 int put_spu_context(struct spu_context *ctx);
@@ -159,5 +182,6 @@ size_t spu_ibox_read(struct spu_context *ctx, u32 *data);
 void spufs_ibox_callback(struct spu *spu);
 void spufs_wbox_callback(struct spu *spu);
 void spufs_stop_callback(struct spu *spu);
+void spufs_mfc_callback(struct spu *spu);
 
 #endif
diff --git a/arch/powerpc/platforms/cell/spufs/switch.c b/arch/powerpc/platforms/cell/spufs/switch.c
index 212db28531fa..97898d5d34e5 100644
--- a/arch/powerpc/platforms/cell/spufs/switch.c
+++ b/arch/powerpc/platforms/cell/spufs/switch.c
@@ -2145,7 +2145,8 @@ static void init_priv1(struct spu_state *csa)
         csa->priv1.int_mask_class1_RW = CLASS1_ENABLE_SEGMENT_FAULT_INTR |
             CLASS1_ENABLE_STORAGE_FAULT_INTR;
         csa->priv1.int_mask_class2_RW = CLASS2_ENABLE_SPU_STOP_INTR |
-            CLASS2_ENABLE_SPU_HALT_INTR;
+            CLASS2_ENABLE_SPU_HALT_INTR |
+            CLASS2_ENABLE_SPU_DMA_TAG_GROUP_COMPLETE_INTR;
 }
 
 static void init_priv2(struct spu_state *csa)
diff --git a/arch/powerpc/platforms/chrp/chrp.h b/arch/powerpc/platforms/chrp/chrp.h
index 814f54742e0f..63f0aee4c158 100644
--- a/arch/powerpc/platforms/chrp/chrp.h
+++ b/arch/powerpc/platforms/chrp/chrp.h
@@ -8,4 +8,4 @@ extern int chrp_set_rtc_time(struct rtc_time *);
 extern long chrp_time_init(void);
 
 extern void chrp_find_bridges(void);
-extern void chrp_event_scan(void);
+extern void chrp_event_scan(unsigned long);
diff --git a/arch/powerpc/platforms/chrp/setup.c b/arch/powerpc/platforms/chrp/setup.c
index 8bf4307e323d..23a201718704 100644
--- a/arch/powerpc/platforms/chrp/setup.c
+++ b/arch/powerpc/platforms/chrp/setup.c
@@ -35,6 +35,7 @@
 #include <linux/root_dev.h>
 #include <linux/initrd.h>
 #include <linux/module.h>
+#include <linux/timer.h>
 
 #include <asm/io.h>
 #include <asm/pgtable.h>
@@ -61,6 +62,10 @@ EXPORT_SYMBOL(_chrp_type);
 
 struct mpic *chrp_mpic;
 
+/* Used for doing CHRP event-scans */
+DEFINE_PER_CPU(struct timer_list, heartbeat_timer);
+unsigned long event_scan_interval;
+
 /*
  * XXX this should be in xmon.h, but putting it there means xmon.h
  * has to include <linux/interrupt.h> (to get irqreturn_t), which
@@ -229,8 +234,6 @@ void __init chrp_setup_arch(void)
 {
         struct device_node *root = find_path_device ("/");
         char *machine = NULL;
-        struct device_node *device;
-        unsigned int *p = NULL;
 
         /* init to some ~sane value until calibrate_delay() runs */
         loops_per_jiffy = 50000000/HZ;
@@ -287,23 +290,12 @@ void __init chrp_setup_arch(void)
          */
         sio_init();
 
-        /* Get the event scan rate for the rtas so we know how
-         * often it expects a heartbeat. -- Cort
-         */
-        device = find_devices("rtas");
-        if (device)
-                p = (unsigned int *) get_property
-                        (device, "rtas-event-scan-rate", NULL);
-        if (p && *p) {
-                ppc_md.heartbeat = chrp_event_scan;
-                ppc_md.heartbeat_reset = HZ / (*p * 30) - 1;
-                ppc_md.heartbeat_count = 1;
-                printk("RTAS Event Scan Rate: %u (%lu jiffies)\n",
-                       *p, ppc_md.heartbeat_reset);
-        }
-
         pci_create_OF_bus_map();
 
+#ifdef CONFIG_SMP
+        smp_ops = &chrp_smp_ops;
+#endif /* CONFIG_SMP */
+
         /*
          * Print the banner, then scroll down so boot progress
          * can be printed.  -- Cort
@@ -312,7 +304,7 @@ void __init chrp_setup_arch(void)
 }
 
 void
-chrp_event_scan(void)
+chrp_event_scan(unsigned long unused)
 {
         unsigned char log[1024];
         int ret = 0;
@@ -320,7 +312,8 @@ chrp_event_scan(void)
         /* XXX: we should loop until the hardware says no more error logs -- Cort */
         rtas_call(rtas_token("event-scan"), 4, 1, &ret, 0xffffffff, 0,
                   __pa(log), 1024);
-        ppc_md.heartbeat_count = ppc_md.heartbeat_reset;
+        mod_timer(&__get_cpu_var(heartbeat_timer),
+                  jiffies + event_scan_interval);
 }
 
 /*
@@ -465,6 +458,9 @@ void __init chrp_init_IRQ(void)
 void __init
 chrp_init2(void)
 {
+        struct device_node *device;
+        unsigned int *p = NULL;
+
 #ifdef CONFIG_NVRAM
         chrp_nvram_init();
 #endif
@@ -476,12 +472,53 @@ chrp_init2(void)
         request_region(0x80,0x10,"dma page reg");
         request_region(0xc0,0x20,"dma2");
 
+        /* Get the event scan rate for the rtas so we know how
+         * often it expects a heartbeat. -- Cort
+         */
+        device = find_devices("rtas");
+        if (device)
+                p = (unsigned int *) get_property
+                        (device, "rtas-event-scan-rate", NULL);
+        if (p && *p) {
+                /*
+                 * Arrange to call chrp_event_scan at least *p times
+                 * per minute.  We use 59 rather than 60 here so that
+                 * the rate will be slightly higher than the minimum.
+                 * This all assumes we don't do hotplug CPU on any
+                 * machine that needs the event scans done.
+                 */
+                unsigned long interval, offset;
+                int cpu, ncpus;
+                struct timer_list *timer;
+
+                interval = HZ * 59 / *p;
+                offset = HZ;
+                ncpus = num_online_cpus();
+                event_scan_interval = ncpus * interval;
+                for (cpu = 0; cpu < ncpus; ++cpu) {
+                        timer = &per_cpu(heartbeat_timer, cpu);
+                        setup_timer(timer, chrp_event_scan, 0);
+                        timer->expires = jiffies + offset;
+                        add_timer_on(timer, cpu);
+                        offset += interval;
+                }
+                printk("RTAS Event Scan Rate: %u (%lu jiffies)\n",
+                       *p, interval);
+        }
+
         if (ppc_md.progress)
                 ppc_md.progress("  Have fun!    ", 0x7777);
 }
 
-void __init chrp_init(void)
+static int __init chrp_probe(void)
 {
+        char *dtype = of_get_flat_dt_prop(of_get_flat_dt_root(),
+                                          "device_type", NULL);
+        if (dtype == NULL)
+                return 0;
+        if (strcmp(dtype, "chrp"))
+                return 0;
+
         ISA_DMA_THRESHOLD = ~0L;
         DMA_MODE_READ = 0x44;
         DMA_MODE_WRITE = 0x48;
diff --git a/arch/powerpc/platforms/iseries/setup.c b/arch/powerpc/platforms/iseries/setup.c
index fa4550611c11..6ce8a404ba6b 100644
--- a/arch/powerpc/platforms/iseries/setup.c
+++ b/arch/powerpc/platforms/iseries/setup.c
@@ -675,18 +675,20 @@ static void iseries_dedicated_idle(void)
 void __init iSeries_init_IRQ(void) { }
 #endif
 
-static int __init iseries_probe(int platform)
+static int __init iseries_probe(void)
 {
-        if (PLATFORM_ISERIES_LPAR != platform)
+        unsigned long root = of_get_flat_dt_root();
+        if (!of_flat_dt_is_compatible(root, "IBM,iSeries"))
                 return 0;
 
-        ppc64_firmware_features |= FW_FEATURE_ISERIES;
-        ppc64_firmware_features |= FW_FEATURE_LPAR;
+        powerpc_firmware_features |= FW_FEATURE_ISERIES;
+        powerpc_firmware_features |= FW_FEATURE_LPAR;
 
         return 1;
 }
 
-struct machdep_calls __initdata iseries_md = {
+define_machine(iseries) {
+        .name           = "iSeries",
         .setup_arch     = iSeries_setup_arch,
         .show_cpuinfo   = iSeries_show_cpuinfo,
         .init_IRQ       = iSeries_init_IRQ,
@@ -930,7 +932,6 @@ void build_flat_dt(struct iseries_flat_dt *dt, unsigned long phys_mem_size)
 
         /* /chosen */
         dt_start_node(dt, "chosen");
-        dt_prop_u32(dt, "linux,platform", PLATFORM_ISERIES_LPAR);
         dt_prop_str(dt, "bootargs", cmd_line);
         if (cmd_mem_limit)
                 dt_prop_u64(dt, "linux,memory-limit", cmd_mem_limit);
diff --git a/arch/powerpc/platforms/maple/setup.c b/arch/powerpc/platforms/maple/setup.c
index ec5c1e10c407..24c0aef4ea39 100644
--- a/arch/powerpc/platforms/maple/setup.c
+++ b/arch/powerpc/platforms/maple/setup.c
@@ -259,9 +259,10 @@ static void __init maple_progress(char *s, unsigned short hex)
 /*
  * Called very early, MMU is off, device-tree isn't unflattened
  */
-static int __init maple_probe(int platform)
+static int __init maple_probe(void)
 {
-        if (platform != PLATFORM_MAPLE)
+        unsigned long root = of_get_flat_dt_root();
+        if (!of_flat_dt_is_compatible(root, "Momentum,Maple"))
                 return 0;
         /*
          * On U3, the DART (iommu) must be allocated now since it
@@ -274,7 +275,8 @@ static int __init maple_probe(int platform)
         return 1;
 }
 
-struct machdep_calls __initdata maple_md = {
+define_machine(maple_md) {
+        .name                   = "Maple",
         .probe                  = maple_probe,
         .setup_arch             = maple_setup_arch,
         .init_early             = maple_init_early,
@@ -290,7 +292,7 @@ struct machdep_calls __initdata maple_md = {
         .get_rtc_time           = maple_get_rtc_time,
         .calibrate_decr         = generic_calibrate_decr,
         .progress               = maple_progress,
-        .idle_loop              = native_idle,
+        .power_save             = power4_idle,
 #ifdef CONFIG_KEXEC
         .machine_kexec          = default_machine_kexec,
         .machine_kexec_prepare  = default_machine_kexec_prepare,
diff --git a/arch/powerpc/platforms/powermac/bootx_init.c b/arch/powerpc/platforms/powermac/bootx_init.c
index fa8b4d7b5ded..eacbfd9beabc 100644
--- a/arch/powerpc/platforms/powermac/bootx_init.c
+++ b/arch/powerpc/platforms/powermac/bootx_init.c
@@ -161,9 +161,7 @@ static void __init bootx_dt_add_prop(char *name, void *data, int size,
 static void __init bootx_add_chosen_props(unsigned long base,
                                           unsigned long *mem_end)
 {
-        u32 val = _MACH_Pmac;
-
-        bootx_dt_add_prop("linux,platform", &val, 4, mem_end);
+        u32 val;
 
         if (bootx_info->kernelParamsOffset) {
                 char *args = (char *)((unsigned long)bootx_info) +
@@ -493,7 +491,7 @@ void __init bootx_init(unsigned long r3, unsigned long r4)
                     && (strcmp(model, "iMac,1") == 0
                         || strcmp(model, "PowerMac1,1") == 0)) {
                         bootx_printf("iMac,1 detected, shutting down USB \n");
-                        out_le32((unsigned *)0x80880008, 1);    /* XXX */
+                        out_le32((unsigned __iomem *)0x80880008, 1);    /* XXX */
                 }
         }
 
diff --git a/arch/powerpc/platforms/powermac/feature.c b/arch/powerpc/platforms/powermac/feature.c
index e49eddd5042d..a5063cd675c5 100644
--- a/arch/powerpc/platforms/powermac/feature.c
+++ b/arch/powerpc/platforms/powermac/feature.c
@@ -2951,7 +2951,7 @@ static void *pmac_early_vresume_data;
 
 void pmac_set_early_video_resume(void (*proc)(void *data), void *data)
 {
-        if (_machine != _MACH_Pmac)
+        if (!machine_is(powermac))
                 return;
         preempt_disable();
         pmac_early_vresume_proc = proc;
diff --git a/arch/powerpc/platforms/powermac/low_i2c.c b/arch/powerpc/platforms/powermac/low_i2c.c
index 87eb6bb7f0e7..e14f9ac55cf4 100644
--- a/arch/powerpc/platforms/powermac/low_i2c.c
+++ b/arch/powerpc/platforms/powermac/low_i2c.c
@@ -1457,6 +1457,9 @@ int __init pmac_i2c_init(void)
                 return 0;
         i2c_inited = 1;
 
+        if (!machine_is(powermac))
+                return 0;
+
         /* Probe keywest-i2c busses */
         kw_i2c_probe();
 
diff --git a/arch/powerpc/platforms/powermac/nvram.c b/arch/powerpc/platforms/powermac/nvram.c
index 5fd28995c74c..262f967b880a 100644
--- a/arch/powerpc/platforms/powermac/nvram.c
+++ b/arch/powerpc/platforms/powermac/nvram.c
@@ -74,7 +74,7 @@ struct core99_header {
  * Read and write the non-volatile RAM on PowerMacs and CHRP machines.
  */
 static int nvram_naddrs;
-static volatile unsigned char *nvram_data;
+static volatile unsigned char __iomem *nvram_data;
 static int is_core_99;
 static int core99_bank = 0;
 static int nvram_partitions[3];
@@ -148,7 +148,7 @@ static ssize_t core99_nvram_size(void)
 }
 
 #ifdef CONFIG_PPC32
-static volatile unsigned char *nvram_addr;
+static volatile unsigned char __iomem *nvram_addr;
 static int nvram_mult;
 
 static unsigned char direct_nvram_read_byte(int addr)
@@ -285,7 +285,7 @@ static int sm_erase_bank(int bank)
         int stat, i;
         unsigned long timeout;
 
-        u8* base = (u8 *)nvram_data + core99_bank*NVRAM_SIZE;
+        u8 __iomem *base = (u8 __iomem *)nvram_data + core99_bank*NVRAM_SIZE;
 
         DBG("nvram: Sharp/Micron Erasing bank %d...\n", bank);
 
@@ -317,7 +317,7 @@ static int sm_write_bank(int bank, u8* datas)
         int i, stat = 0;
         unsigned long timeout;
 
-        u8* base = (u8 *)nvram_data + core99_bank*NVRAM_SIZE;
+        u8 __iomem *base = (u8 __iomem *)nvram_data + core99_bank*NVRAM_SIZE;
 
         DBG("nvram: Sharp/Micron Writing bank %d...\n", bank);
 
@@ -352,7 +352,7 @@ static int amd_erase_bank(int bank)
         int i, stat = 0;
         unsigned long timeout;
 
-        u8* base = (u8 *)nvram_data + core99_bank*NVRAM_SIZE;
+        u8 __iomem *base = (u8 __iomem *)nvram_data + core99_bank*NVRAM_SIZE;
 
         DBG("nvram: AMD Erasing bank %d...\n", bank);
 
@@ -399,7 +399,7 @@ static int amd_write_bank(int bank, u8* datas)
         int i, stat = 0;
         unsigned long timeout;
 
-        u8* base = (u8 *)nvram_data + core99_bank*NVRAM_SIZE;
+        u8 __iomem *base = (u8 __iomem *)nvram_data + core99_bank*NVRAM_SIZE;
 
         DBG("nvram: AMD Writing bank %d...\n", bank);
 
@@ -597,7 +597,7 @@ int __init pmac_nvram_init(void)
         }
 
 #ifdef CONFIG_PPC32
-        if (_machine == _MACH_chrp && nvram_naddrs == 1) {
+        if (machine_is(chrp) && nvram_naddrs == 1) {
                 nvram_data = ioremap(r1.start, s1);
                 nvram_mult = 1;
                 ppc_md.nvram_read_val   = direct_nvram_read_byte;
diff --git a/arch/powerpc/platforms/powermac/pci.c b/arch/powerpc/platforms/powermac/pci.c
index de3f30e6b333..f5d8d15d74fa 100644
--- a/arch/powerpc/platforms/powermac/pci.c
+++ b/arch/powerpc/platforms/powermac/pci.c
@@ -1201,7 +1201,7 @@ void __init pmac_pcibios_after_init(void)
 #ifdef CONFIG_PPC32
 void pmac_pci_fixup_cardbus(struct pci_dev* dev)
 {
-        if (_machine != _MACH_Pmac)
+        if (!machine_is(powermac))
                 return;
         /*
          * Fix the interrupt routing on the various cardbus bridges
@@ -1244,8 +1244,9 @@ void pmac_pci_fixup_pciata(struct pci_dev* dev)
         * On PowerMacs, we try to switch any PCI ATA controller to
         * fully native mode
         */
-        if (_machine != _MACH_Pmac)
+        if (!machine_is(powermac))
                 return;
+
         /* Some controllers don't have the class IDE */
         if (dev->vendor == PCI_VENDOR_ID_PROMISE)
                 switch(dev->device) {
diff --git a/arch/powerpc/platforms/powermac/pfunc_base.c b/arch/powerpc/platforms/powermac/pfunc_base.c
index 9b7150f10414..a3bd3e728fa3 100644
--- a/arch/powerpc/platforms/powermac/pfunc_base.c
+++ b/arch/powerpc/platforms/powermac/pfunc_base.c
@@ -336,6 +336,8 @@ int __init pmac_pfunc_base_install(void)
                 return 0;
         pfbase_inited = 1;
 
+        if (!machine_is(powermac))
+                return 0;
 
         DBG("Installing base platform functions...\n");
 
diff --git a/arch/powerpc/platforms/powermac/setup.c b/arch/powerpc/platforms/powermac/setup.c
index 385aab90c4d2..4d15e396655c 100644
--- a/arch/powerpc/platforms/powermac/setup.c
+++ b/arch/powerpc/platforms/powermac/setup.c
@@ -350,6 +350,13 @@ static void __init pmac_setup_arch(void)
                 smp_ops = &psurge_smp_ops;
 #endif
 #endif /* CONFIG_SMP */
+
+#ifdef CONFIG_ADB
+        if (strstr(cmd_line, "adb_sync")) {
+                extern int __adb_probe_sync;
+                __adb_probe_sync = 1;
+        }
+#endif /* CONFIG_ADB */
 }
 
 char *bootpath;
@@ -576,30 +583,6 @@ pmac_halt(void)
         pmac_power_off();
 }
 
-#ifdef CONFIG_PPC32
-void __init pmac_init(void)
-{
-        /* isa_io_base gets set in pmac_pci_init */
-        isa_mem_base = PMAC_ISA_MEM_BASE;
-        pci_dram_offset = PMAC_PCI_DRAM_OFFSET;
-        ISA_DMA_THRESHOLD = ~0L;
-        DMA_MODE_READ = 1;
-        DMA_MODE_WRITE = 2;
-
-        ppc_md = pmac_md;
-
-#if defined(CONFIG_BLK_DEV_IDE) || defined(CONFIG_BLK_DEV_IDE_MODULE)
-#ifdef CONFIG_BLK_DEV_IDE_PMAC
-        ppc_ide_md.ide_init_hwif        = pmac_ide_init_hwif_ports;
-        ppc_ide_md.default_io_base      = pmac_ide_get_base;
-#endif /* CONFIG_BLK_DEV_IDE_PMAC */
-#endif /* defined(CONFIG_BLK_DEV_IDE) || defined(CONFIG_BLK_DEV_IDE_MODULE) */
-
-        if (ppc_md.progress) ppc_md.progress("pmac_init(): exit", 0);
-
-}
-#endif
-
 /* 
  * Early initialization.
  */
@@ -646,6 +629,12 @@ static int __init pmac_declare_of_platform_devices(void)
 {
         struct device_node *np;
 
+        if (machine_is(chrp))
+                return -1;
+
+        if (!machine_is(powermac))
+                return 0;
+
         np = of_find_node_by_name(NULL, "valkyrie");
         if (np)
                 of_platform_device_create(np, "valkyrie", NULL);
@@ -666,12 +655,15 @@ device_initcall(pmac_declare_of_platform_devices);
 /*
  * Called very early, MMU is off, device-tree isn't unflattened
  */
-static int __init pmac_probe(int platform)
+static int __init pmac_probe(void)
 {
-#ifdef CONFIG_PPC64
-        if (platform != PLATFORM_POWERMAC)
+        unsigned long root = of_get_flat_dt_root();
+
+        if (!of_flat_dt_is_compatible(root, "Power Macintosh") &&
+            !of_flat_dt_is_compatible(root, "MacRISC"))
                 return 0;
 
+#ifdef CONFIG_PPC64
         /*
          * On U3, the DART (iommu) must be allocated now since it
          * has an impact on htab_initialize (due to the large page it
@@ -681,6 +673,23 @@ static int __init pmac_probe(int platform)
         alloc_dart_table();
 #endif
 
+#ifdef CONFIG_PPC32
+        /* isa_io_base gets set in pmac_pci_init */
+        isa_mem_base = PMAC_ISA_MEM_BASE;
+        pci_dram_offset = PMAC_PCI_DRAM_OFFSET;
+        ISA_DMA_THRESHOLD = ~0L;
+        DMA_MODE_READ = 1;
+        DMA_MODE_WRITE = 2;
+
+#if defined(CONFIG_BLK_DEV_IDE) || defined(CONFIG_BLK_DEV_IDE_MODULE)
+#ifdef CONFIG_BLK_DEV_IDE_PMAC
+        ppc_ide_md.ide_init_hwif        = pmac_ide_init_hwif_ports;
+        ppc_ide_md.default_io_base      = pmac_ide_get_base;
+#endif /* CONFIG_BLK_DEV_IDE_PMAC */
+#endif /* defined(CONFIG_BLK_DEV_IDE) || defined(CONFIG_BLK_DEV_IDE_MODULE) */
+
+#endif /* CONFIG_PPC32 */
+
 #ifdef CONFIG_PMAC_SMU
         /*
          * SMU based G5s need some memory below 2Gb, at least the current
@@ -709,10 +718,8 @@ static int pmac_pci_probe_mode(struct pci_bus *bus)
 }
 #endif
 
-struct machdep_calls __initdata pmac_md = {
-#if defined(CONFIG_HOTPLUG_CPU) && defined(CONFIG_PPC64)
-        .cpu_die                = generic_mach_cpu_die,
-#endif
+define_machine(powermac) {
+        .name                   = "PowerMac",
         .probe                  = pmac_probe,
         .setup_arch             = pmac_setup_arch,
         .init_early             = pmac_init_early,
@@ -733,7 +740,7 @@ struct machdep_calls __initdata pmac_md = {
         .progress               = udbg_progress,
 #ifdef CONFIG_PPC64
         .pci_probe_mode         = pmac_pci_probe_mode,
-        .idle_loop              = native_idle,
+        .power_save             = power4_idle,
         .enable_pmcs            = power4_enable_pmcs,
 #ifdef CONFIG_KEXEC
         .machine_kexec          = default_machine_kexec,
@@ -746,4 +753,7 @@ struct machdep_calls __initdata pmac_md = {
         .pcibios_after_init     = pmac_pcibios_after_init,
         .phys_mem_access_prot   = pci_phys_mem_access_prot,
 #endif
+#if defined(CONFIG_HOTPLUG_CPU) && defined(CONFIG_PPC64)
+        .cpu_die                = generic_mach_cpu_die,
+#endif
 };
diff --git a/arch/powerpc/platforms/powermac/time.c b/arch/powerpc/platforms/powermac/time.c
index 5d9afa1fa02d..890758aa9667 100644
--- a/arch/powerpc/platforms/powermac/time.c
+++ b/arch/powerpc/platforms/powermac/time.c
@@ -336,10 +336,10 @@ static struct pmu_sleep_notifier time_sleep_notifier = {
  */
 void __init pmac_calibrate_decr(void)
 {
-#ifdef CONFIG_PM
+#if defined(CONFIG_PM) && defined(CONFIG_ADB_PMU)
         /* XXX why here? */
         pmu_register_sleep_notifier(&time_sleep_notifier);
-#endif /* CONFIG_PM */
+#endif
 
         generic_calibrate_decr();
 
diff --git a/arch/powerpc/platforms/powermac/udbg_scc.c b/arch/powerpc/platforms/powermac/udbg_scc.c
index c4352a8db644..b4fa9f03b461 100644
--- a/arch/powerpc/platforms/powermac/udbg_scc.c
+++ b/arch/powerpc/platforms/powermac/udbg_scc.c
@@ -116,7 +116,7 @@ void udbg_scc_init(int force_scc)
         /* Setup for 57600 8N1 */
         if (ch == ch_a)
                 addr += 0x20;
-        sccc = (volatile u8 * __iomem) ioremap(addr & PAGE_MASK, PAGE_SIZE) ;
+        sccc = ioremap(addr & PAGE_MASK, PAGE_SIZE) ;
         sccc += addr & ~PAGE_MASK;
         sccd = sccc + 0x10;
 
diff --git a/arch/powerpc/platforms/pseries/eeh.c b/arch/powerpc/platforms/pseries/eeh.c
index 2ab9dcdfb415..9b2b1cb117b3 100644
--- a/arch/powerpc/platforms/pseries/eeh.c
+++ b/arch/powerpc/platforms/pseries/eeh.c
@@ -1018,7 +1018,7 @@ static int __init eeh_init_proc(void)
 {
         struct proc_dir_entry *e;
 
-        if (platform_is_pseries()) {
+        if (machine_is(pseries)) {
                 e = create_proc_entry("ppc64/eeh", 0, NULL);
                 if (e)
                         e->proc_fops = &proc_eeh_operations;
diff --git a/arch/powerpc/platforms/pseries/eeh_driver.c b/arch/powerpc/platforms/pseries/eeh_driver.c
index b811d5ff92fe..cc2495a0cdd5 100644
--- a/arch/powerpc/platforms/pseries/eeh_driver.c
+++ b/arch/powerpc/platforms/pseries/eeh_driver.c
@@ -257,6 +257,7 @@ void handle_eeh_events (struct eeh_event *event)
         struct pci_bus *frozen_bus;
         int rc = 0;
         enum pci_ers_result result = PCI_ERS_RESULT_NONE;
+        const char *pci_str, *drv_str;
 
         frozen_dn = find_device_pe(event->dn);
         frozen_bus = pcibios_find_pci_bus(frozen_dn);
@@ -291,6 +292,13 @@ void handle_eeh_events (struct eeh_event *event)
 
         frozen_pdn = PCI_DN(frozen_dn);
         frozen_pdn->eeh_freeze_count++;
+
+        pci_str = pci_name (frozen_pdn->pcidev);
+        drv_str = pcid_name (frozen_pdn->pcidev);
+        if (!pci_str) {
+                pci_str = pci_name (event->dev);
+                drv_str = pcid_name (event->dev);
+        }
         
         if (frozen_pdn->eeh_freeze_count > EEH_MAX_ALLOWED_FREEZES)
                 goto hard_fail;
@@ -306,9 +314,7 @@ void handle_eeh_events (struct eeh_event *event)
         eeh_slot_error_detail(frozen_pdn, 1 /* Temporary Error */);
         printk(KERN_WARNING
            "EEH: This PCI device has failed %d times since last reboot: %s - %s\n",
-                frozen_pdn->eeh_freeze_count,
-                pci_name (frozen_pdn->pcidev), 
-                pcid_name(frozen_pdn->pcidev));
+                frozen_pdn->eeh_freeze_count, drv_str, pci_str);
 
         /* Walk the various device drivers attached to this slot through
          * a reset sequence, giving each an opportunity to do what it needs
@@ -360,9 +366,7 @@ hard_fail:
            "EEH: PCI device %s - %s has failed %d times \n"
            "and has been permanently disabled.  Please try reseating\n"
            "this device or replacing it.\n",
-                pci_name (frozen_pdn->pcidev), 
-                pcid_name(frozen_pdn->pcidev), 
-                frozen_pdn->eeh_freeze_count);
+                drv_str, pci_str, frozen_pdn->eeh_freeze_count);
 
         eeh_slot_error_detail(frozen_pdn, 2 /* Permanent Error */);
 
diff --git a/arch/powerpc/platforms/pseries/firmware.c b/arch/powerpc/platforms/pseries/firmware.c
index 989f4bc136cb..c01d8f0cbe6d 100644
--- a/arch/powerpc/platforms/pseries/firmware.c
+++ b/arch/powerpc/platforms/pseries/firmware.c
@@ -91,7 +91,7 @@ void __init fw_feature_init(void)
                                 continue;
 
                         /* we have a match */
-                        ppc64_firmware_features |=
+                        powerpc_firmware_features |=
                                 firmware_features_table[i].val;
                         break;
                 }
diff --git a/arch/powerpc/platforms/pseries/hvconsole.c b/arch/powerpc/platforms/pseries/hvconsole.c
index 138e128a3886..ba6befd96636 100644
--- a/arch/powerpc/platforms/pseries/hvconsole.c
+++ b/arch/powerpc/platforms/pseries/hvconsole.c
@@ -62,6 +62,11 @@ int hvc_put_chars(uint32_t vtermno, const char *buf, int count)
         unsigned long *lbuf = (unsigned long *) buf;
         long ret;
 
+
+        /* hcall will ret H_PARAMETER if 'count' exceeds firmware max.*/
+        if (count > MAX_VIO_PUT_CHARS)
+                count = MAX_VIO_PUT_CHARS;
+
         ret = plpar_hcall_norets(H_PUT_TERM_CHAR, vtermno, count, lbuf[0],
                                  lbuf[1]);
         if (ret == H_Success)
diff --git a/arch/powerpc/platforms/pseries/pci.c b/arch/powerpc/platforms/pseries/pci.c
index 946ad59e3352..e97e67f5e079 100644
--- a/arch/powerpc/platforms/pseries/pci.c
+++ b/arch/powerpc/platforms/pseries/pci.c
@@ -120,7 +120,7 @@ static void fixup_winbond_82c105(struct pci_dev* dev)
         int i;
         unsigned int reg;
 
-        if (!platform_is_pseries())
+        if (!machine_is(pseries))
                 return;
 
         printk("Using INTC for W82c105 IDE controller.\n");
diff --git a/arch/powerpc/platforms/pseries/pci_dlpar.c b/arch/powerpc/platforms/pseries/pci_dlpar.c
index 44abdeb9ca03..6bfacc217085 100644
--- a/arch/powerpc/platforms/pseries/pci_dlpar.c
+++ b/arch/powerpc/platforms/pseries/pci_dlpar.c
@@ -28,6 +28,7 @@
 #include <linux/pci.h>
 #include <asm/pci-bridge.h>
 #include <asm/ppc-pci.h>
+#include <asm/firmware.h>
 
 static struct pci_bus *
 find_bus_among_children(struct pci_bus *bus,
@@ -152,20 +153,24 @@ pcibios_pci_config_bridge(struct pci_dev *dev)
 void
 pcibios_add_pci_devices(struct pci_bus * bus)
 {
-        int slotno, num;
+        int slotno, num, mode;
         struct pci_dev *dev;
         struct device_node *dn = pci_bus_to_OF_node(bus);
 
         eeh_add_device_tree_early(dn);
 
-        if (_machine == PLATFORM_PSERIES_LPAR) {
+        mode = PCI_PROBE_NORMAL;
+        if (ppc_md.pci_probe_mode)
+                mode = ppc_md.pci_probe_mode(bus);
+
+        if (mode == PCI_PROBE_DEVTREE) {
                 /* use ofdt-based probe */
                 of_scan_bus(dn, bus);
                 if (!list_empty(&bus->devices)) {
                         pcibios_fixup_new_pci_devices(bus, 0);
                         pci_bus_add_devices(bus);
                 }
-        } else {
+        } else if (mode == PCI_PROBE_NORMAL) {
                 /* use legacy probe */
                 slotno = PCI_SLOT(PCI_DN(dn->child)->devfn);
                 num = pci_scan_slot(bus, PCI_DEVFN(slotno, 0));
diff --git a/arch/powerpc/platforms/pseries/ras.c b/arch/powerpc/platforms/pseries/ras.c
index b046bcf7443d..9639c66b453d 100644
--- a/arch/powerpc/platforms/pseries/ras.c
+++ b/arch/powerpc/platforms/pseries/ras.c
@@ -132,7 +132,7 @@ static int __init init_ras_IRQ(void)
                 of_node_put(np);
         }
 
-        return 1;
+        return 0;
 }
 __initcall(init_ras_IRQ);
 
diff --git a/arch/powerpc/platforms/pseries/reconfig.c b/arch/powerpc/platforms/pseries/reconfig.c
index 5ad90676567a..1773103354be 100644
--- a/arch/powerpc/platforms/pseries/reconfig.c
+++ b/arch/powerpc/platforms/pseries/reconfig.c
@@ -17,8 +17,9 @@
 #include <linux/proc_fs.h>
 
 #include <asm/prom.h>
-#include <asm/pSeries_reconfig.h>
+#include <asm/machdep.h>
 #include <asm/uaccess.h>
+#include <asm/pSeries_reconfig.h>
 
 
 
@@ -508,7 +509,7 @@ static int proc_ppc64_create_ofdt(void)
 {
         struct proc_dir_entry *ent;
 
-        if (!platform_is_pseries())
+        if (!machine_is(pseries))
                 return 0;
 
         ent = create_proc_entry("ppc64/ofdt", S_IWUSR, NULL);
diff --git a/arch/powerpc/platforms/pseries/rtasd.c b/arch/powerpc/platforms/pseries/rtasd.c
index a6f628d4c9dc..fcc4d561a236 100644
--- a/arch/powerpc/platforms/pseries/rtasd.c
+++ b/arch/powerpc/platforms/pseries/rtasd.c
@@ -27,6 +27,7 @@
 #include <asm/prom.h>
 #include <asm/nvram.h>
 #include <asm/atomic.h>
+#include <asm/machdep.h>
 
 #if 0
 #define DEBUG(A...)     printk(KERN_ERR A)
@@ -481,7 +482,7 @@ static int __init rtas_init(void)
 {
         struct proc_dir_entry *entry;
 
-        if (!platform_is_pseries())
+        if (!machine_is(pseries))
                 return 0;
 
         /* No RTAS */
diff --git a/arch/powerpc/platforms/pseries/setup.c b/arch/powerpc/platforms/pseries/setup.c
index 44d5c7fdcd97..b2fbf8ba8fbb 100644
--- a/arch/powerpc/platforms/pseries/setup.c
+++ b/arch/powerpc/platforms/pseries/setup.c
@@ -81,8 +81,8 @@ extern void find_udbg_vterm(void);
 
 int fwnmi_active;  /* TRUE if an FWNMI handler is present */
 
-static void pseries_shared_idle(void);
-static void pseries_dedicated_idle(void);
+static void pseries_shared_idle_sleep(void);
+static void pseries_dedicated_idle_sleep(void);
 
 struct mpic *pSeries_mpic;
 
@@ -236,14 +236,13 @@ static void __init pSeries_setup_arch(void)
                 vpa_init(boot_cpuid);
                 if (get_lppaca()->shared_proc) {
                         printk(KERN_INFO "Using shared processor idle loop\n");
-                        ppc_md.idle_loop = pseries_shared_idle;
+                        ppc_md.power_save = pseries_shared_idle_sleep;
                 } else {
                         printk(KERN_INFO "Using dedicated idle loop\n");
-                        ppc_md.idle_loop = pseries_dedicated_idle;
+                        ppc_md.power_save = pseries_dedicated_idle_sleep;
                 }
         } else {
                 printk(KERN_INFO "Using default idle loop\n");
-                ppc_md.idle_loop = default_idle;
         }
 
         if (firmware_has_feature(FW_FEATURE_LPAR))
@@ -373,156 +372,123 @@ static int pSeries_check_legacy_ioport(unsigned int baseport)
 /*
  * Called very early, MMU is off, device-tree isn't unflattened
  */
-extern struct machdep_calls pSeries_md;
 
-static int __init pSeries_probe(int platform)
+static int __init pSeries_probe_hypertas(unsigned long node,
+                                         const char *uname, int depth,
+                                         void *data)
 {
-        if (platform != PLATFORM_PSERIES &&
-            platform != PLATFORM_PSERIES_LPAR)
-                return 0;
-
-        /* if we have some ppc_md fixups for LPAR to do, do
-         * it here ...
-         */
+        if (depth != 1 ||
+            (strcmp(uname, "rtas") != 0 && strcmp(uname, "rtas@0") != 0))
+                return 0;
 
-        if (platform == PLATFORM_PSERIES_LPAR)
-                ppc64_firmware_features |= FW_FEATURE_LPAR;
+        if (of_get_flat_dt_prop(node, "ibm,hypertas-functions", NULL) != NULL)
+                powerpc_firmware_features |= FW_FEATURE_LPAR;
 
-        return 1;
+        return 1;
 }
 
-DECLARE_PER_CPU(unsigned long, smt_snooze_delay);
-
-static inline void dedicated_idle_sleep(unsigned int cpu)
+static int __init pSeries_probe(void)
 {
-        struct lppaca *plppaca = &lppaca[cpu ^ 1];
+        char *dtype = of_get_flat_dt_prop(of_get_flat_dt_root(),
+                                          "device_type", NULL);
+        if (dtype == NULL)
+                return 0;
+        if (strcmp(dtype, "chrp"))
+                return 0;
 
-        /* Only sleep if the other thread is not idle */
-        if (!(plppaca->idle)) {
-                local_irq_disable();
+        DBG("pSeries detected, looking for LPAR capability...\n");
 
-                /*
-                 * We are about to sleep the thread and so wont be polling any
-                 * more.
-                 */
-                clear_thread_flag(TIF_POLLING_NRFLAG);
-                smp_mb__after_clear_bit();
-
-                /*
-                 * SMT dynamic mode. Cede will result in this thread going
-                 * dormant, if the partner thread is still doing work.  Thread
-                 * wakes up if partner goes idle, an interrupt is presented, or
-                 * a prod occurs.  Returning from the cede enables external
-                 * interrupts.
-                 */
-                if (!need_resched())
-                        cede_processor();
-                else
-                        local_irq_enable();
-                set_thread_flag(TIF_POLLING_NRFLAG);
-        } else {
-                /*
-                 * Give the HV an opportunity at the processor, since we are
-                 * not doing any work.
-                 */
-                poll_pending();
-        }
+        /* Now try to figure out if we are running on LPAR */
+        of_scan_flat_dt(pSeries_probe_hypertas, NULL);
+
+        DBG("Machine is%s LPAR !\n",
+            (powerpc_firmware_features & FW_FEATURE_LPAR) ? "" : " not");
+
+        return 1;
 }
 
-static void pseries_dedicated_idle(void)
+
+DECLARE_PER_CPU(unsigned long, smt_snooze_delay);
+
+static void pseries_dedicated_idle_sleep(void)
 { 
         unsigned int cpu = smp_processor_id();
         unsigned long start_snooze;
         unsigned long *smt_snooze_delay = &__get_cpu_var(smt_snooze_delay);
-        set_thread_flag(TIF_POLLING_NRFLAG);
-
-        while (1) {
-                /*
-                 * Indicate to the HV that we are idle. Now would be
-                 * a good time to find other work to dispatch.
-                 */
-                get_lppaca()->idle = 1;
-
-                if (!need_resched()) {
-                        start_snooze = get_tb() +
-                                *smt_snooze_delay * tb_ticks_per_usec;
-
-                        while (!need_resched() && !cpu_is_offline(cpu)) {
-                                ppc64_runlatch_off();
-
-                                /*
-                                 * Go into low thread priority and possibly
-                                 * low power mode.
-                                 */
-                                HMT_low();
-                                HMT_very_low();
-
-                                if (*smt_snooze_delay != 0 &&
-                                    get_tb() > start_snooze) {
-                                        HMT_medium();
-                                        dedicated_idle_sleep(cpu);
-                                }
-
-                        }
-
-                        HMT_medium();
-                }
-
-                get_lppaca()->idle = 0;
-                ppc64_runlatch_on();
 
-                preempt_enable_no_resched();
-                schedule();
-                preempt_disable();
+        /*
+         * Indicate to the HV that we are idle. Now would be
+         * a good time to find other work to dispatch.
+         */
+        get_lppaca()->idle = 1;
 
-                if (cpu_is_offline(cpu) && system_state == SYSTEM_RUNNING)
-                        cpu_die();
-        }
-}
+        /*
+         * We come in with interrupts disabled, and need_resched()
+         * has been checked recently.  If we should poll for a little
+         * while, do so.
+         */
+        if (*smt_snooze_delay) {
+                start_snooze = get_tb() +
+                        *smt_snooze_delay * tb_ticks_per_usec;
+                local_irq_enable();
+                set_thread_flag(TIF_POLLING_NRFLAG);
 
-static void pseries_shared_idle(void)
-{
-        unsigned int cpu = smp_processor_id();
+                while (get_tb() < start_snooze) {
+                        if (need_resched() || cpu_is_offline(cpu))
+                                goto out;
+                        ppc64_runlatch_off();
+                        HMT_low();
+                        HMT_very_low();
+                }
 
-        while (1) {
-                /*
-                 * Indicate to the HV that we are idle. Now would be
-                 * a good time to find other work to dispatch.
-                 */
-                get_lppaca()->idle = 1;
+                HMT_medium();
+                clear_thread_flag(TIF_POLLING_NRFLAG);
+                smp_mb();
+                local_irq_disable();
+                if (need_resched() || cpu_is_offline(cpu))
+                        goto out;
+        }
 
-                while (!need_resched() && !cpu_is_offline(cpu)) {
-                        local_irq_disable();
-                        ppc64_runlatch_off();
+        /*
+         * Cede if the other thread is not idle, so that it can
+         * go single-threaded.  If the other thread is idle,
+         * we ask the hypervisor if it has pending work it
+         * wants to do and cede if it does.  Otherwise we keep
+         * polling in order to reduce interrupt latency.
+         *
+         * Doing the cede when the other thread is active will
+         * result in this thread going dormant, meaning the other
+         * thread gets to run in single-threaded (ST) mode, which
+         * is slightly faster than SMT mode with this thread at
+         * very low priority.  The cede enables interrupts, which
+         * doesn't matter here.
+         */
+        if (!lppaca[cpu ^ 1].idle || poll_pending() == H_Pending)
+                cede_processor();
 
-                        /*
-                         * Yield the processor to the hypervisor.  We return if
-                         * an external interrupt occurs (which are driven prior
-                         * to returning here) or if a prod occurs from another
-                         * processor. When returning here, external interrupts
-                         * are enabled.
-                         *
-                         * Check need_resched() again with interrupts disabled
-                         * to avoid a race.
-                         */
-                        if (!need_resched())
-                                cede_processor();
-                        else
-                                local_irq_enable();
-
-                        HMT_medium();
-                }
+out:
+        HMT_medium();
+        get_lppaca()->idle = 0;
+}
 
-                get_lppaca()->idle = 0;
-                ppc64_runlatch_on();
+static void pseries_shared_idle_sleep(void)
+{
+        /*
+         * Indicate to the HV that we are idle. Now would be
+         * a good time to find other work to dispatch.
+         */
+        get_lppaca()->idle = 1;
 
-                preempt_enable_no_resched();
-                schedule();
-                preempt_disable();
+        /*
+         * Yield the processor to the hypervisor.  We return if
+         * an external interrupt occurs (which are driven prior
+         * to returning here) or if a prod occurs from another
+         * processor. When returning here, external interrupts
+         * are enabled.
+         */
+        cede_processor();
 
-                if (cpu_is_offline(cpu) && system_state == SYSTEM_RUNNING)
-                        cpu_die();
-        }
+        get_lppaca()->idle = 0;
 }
 
 static int pSeries_pci_probe_mode(struct pci_bus *bus)
@@ -553,7 +519,8 @@ static void pseries_kexec_cpu_down(int crash_shutdown, int secondary)
 }
 #endif
 
-struct machdep_calls __initdata pSeries_md = {
+define_machine(pseries) {
+        .name                   = "pSeries",
         .probe                  = pSeries_probe,
         .setup_arch             = pSeries_setup_arch,
         .init_early             = pSeries_init_early,
diff --git a/arch/powerpc/platforms/pseries/xics.c b/arch/powerpc/platforms/pseries/xics.c
index eb86cdb9b802..4864cb32be25 100644
--- a/arch/powerpc/platforms/pseries/xics.c
+++ b/arch/powerpc/platforms/pseries/xics.c
@@ -500,7 +500,7 @@ nextnode:
              np;
              np = of_find_node_by_type(np, "cpu")) {
                 ireg = (uint *)get_property(np, "reg", &ilen);
-                if (ireg && ireg[0] == boot_cpuid_phys) {
+                if (ireg && ireg[0] == get_hard_smp_processor_id(boot_cpuid)) {
                         ireg = (uint *)get_property(np, "ibm,ppc-interrupt-gserver#s",
                                                     &ilen);
                         i = ilen / sizeof(int);
@@ -541,7 +541,7 @@ nextnode:
                 ops = &pSeriesLP_ops;
         else {
 #ifdef CONFIG_SMP
-                for_each_cpu(i) {
+                for_each_possible_cpu(i) {
                         int hard_id;
 
                         /* FIXME: Do this dynamically! --RR */
diff --git a/arch/ppc/Kconfig b/arch/ppc/Kconfig
index 3a3e302b4ea2..e9a8f5d1dfcd 100644
--- a/arch/ppc/Kconfig
+++ b/arch/ppc/Kconfig
@@ -61,15 +61,15 @@ config 6xx
         select PPC_FPU
         help
           There are four types of PowerPC chips supported.  The more common
-          types (601, 603, 604, 740, 750, 7400), the Motorola embedded
-          versions (821, 823, 850, 855, 860, 52xx, 82xx, 83xx), the IBM
-          embedded versions (403 and 405) and the POWER3 processor.
-          (For support for more recent 64-bit processors, set ARCH=powerpc.)
+          types (601, 603, 604, 740, 750, 7400), the older Freescale
+          (formerly Motorola) embedded versions (821, 823, 850, 855, 860,
+          52xx, 82xx, 83xx), the IBM embedded versions (403 and 405) and
+          the Book E embedded processors from IBM (44x) and Freescale (85xx).
+          For support for 64-bit processors, set ARCH=powerpc.
           Unless you are building a kernel for one of the embedded processor
-          systems or a POWER3-based IBM RS/6000, choose 6xx.
-          Note that the kernel runs in 32-bit mode even on 64-bit chips.
-          Also note that because the 52xx, 82xx, & 83xx family has a 603e core,
-          specific support for that chipset is asked later on.
+          systems, choose 6xx.
+          Also note that because the 52xx, 82xx, & 83xx family have a 603e
+          core, specific support for that chipset is asked later on.
 
 config 40x
         bool "40x"
@@ -77,10 +77,6 @@ config 40x
 config 44x
         bool "44x"
 
-config POWER3
-        select PPC_FPU
-        bool "POWER3"
-
 config 8xx
         bool "8xx"
 
@@ -252,14 +248,9 @@ config PPC601_SYNC_FIX
 source arch/ppc/platforms/4xx/Kconfig
 source arch/ppc/platforms/85xx/Kconfig
 
-config PPC64BRIDGE
-        bool
-        depends on POWER3
-        default y
-
 config PPC_STD_MMU
         bool
-        depends on 6xx || POWER3
+        depends on 6xx
         default y
 
 config NOT_COHERENT_CACHE
@@ -534,8 +525,8 @@ endmenu
 
 choice
         prompt "Machine Type"
-        depends on 6xx || POWER3
-        default PPC_MULTIPLATFORM
+        depends on 6xx
+        default PPC_PREP
         ---help---
           Linux currently supports several different kinds of PowerPC-based
           machines: Apple Power Macintoshes and clones (such as the Motorola
@@ -545,15 +536,14 @@ choice
           Platform) machines (including all of the recent IBM RS/6000 and
           pSeries machines), and several embedded PowerPC systems containing
           4xx, 6xx, 7xx, 8xx, 74xx, and 82xx processors.  Currently, the
-          default option is to build a kernel which works on PReP and CHRP.
+          default option is to build a kernel which works on PReP.
 
-          Note that support for Apple machines is now only available with
-          ARCH=powerpc, and has been removed from this menu.  If you wish
-          to build a kernel for an Apple machine, exit this configuration
-          process and re-run it with ARCH=powerpc.
+          Note that support for Apple and CHRP machines is now only available
+          with ARCH=powerpc, and has been removed from this menu.  If you
+          wish to build a kernel for an Apple or CHRP machine, exit this
+          configuration process and re-run it with ARCH=powerpc.
 
-          Select CHRP/PReP if configuring for an IBM RS/6000 or
-          pSeries machine, or a PReP machine.
+          Select PReP if configuring for a PReP machine.
 
           Select Gemini if configuring for a Synergy Microsystems' Gemini
           series Single Board Computer.  More information is available at:
@@ -562,8 +552,8 @@ choice
           Select APUS if configuring for a PowerUP Amiga.  More information is
           available at: <http://linux-apus.sourceforge.net/>.
 
-config PPC_MULTIPLATFORM
-        bool "CHRP/PReP"
+config PPC_PREP
+        bool "PReP"
 
 config APUS
         bool "Amiga-APUS"
@@ -715,6 +705,13 @@ config LITE5200
           much but it's only been tested on this board version. I think this
           board is also known as IceCube.
 
+config LITE5200B
+        bool "Freescale LITE5200B"
+        depends LITE5200
+        help
+          Support for the LITE5200B dev board for the MPC5200 from Freescale.
+          This is the new board with 2 PCI slots.
+
 config MPC834x_SYS
         bool "Freescale MPC834x SYS"
         help
@@ -800,25 +797,6 @@ config CPM2
           you wish to build a kernel for a machine with a CPM2 coprocessor
           on it (826x, 827x, 8560).
 
-config PPC_CHRP
-        bool "Support for CHRP (Common Hardware Reference Platform) machines"
-        depends on PPC_MULTIPLATFORM
-        select PPC_I8259
-        select PPC_INDIRECT_PCI
-        default y
-
-config PPC_PREP
-        bool "Support for PReP (PowerPC Reference Platform) machines"
-        depends on PPC_MULTIPLATFORM
-        select PPC_I8259
-        select PPC_INDIRECT_PCI
-        default y
-
-config PPC_OF
-        bool
-        depends on PPC_CHRP
-        default y
-
 config PPC_GEN550
         bool
         depends on SANDPOINT || SPRUCE || PPLUS || \
@@ -977,14 +955,6 @@ source "mm/Kconfig"
 
 source "fs/Kconfig.binfmt"
 
-config PROC_DEVICETREE
-        bool "Support for Open Firmware device tree in /proc"
-        depends on PPC_OF && PROC_FS
-        help
-          This option adds a device-tree directory under /proc which contains
-          an image of the device tree that the kernel copies from Open
-          Firmware. If unsure, say Y here.
-
 config PREP_RESIDUAL
         bool "Support for PReP Residual Data"
         depends on PPC_PREP
@@ -1177,8 +1147,7 @@ menu "Bus options"
 
 config ISA
         bool "Support for ISA-bus hardware"
-        depends on PPC_PREP || PPC_CHRP
-        select PPC_I8259
+        depends on PPC_PREP
         help
           Find out whether you have ISA slots on your motherboard.  ISA is the
           name of a bus system, i.e. the way the CPU talks to the other stuff
@@ -1188,18 +1157,18 @@ config ISA
 
 config GENERIC_ISA_DMA
         bool
-        depends on POWER3 || 6xx && !CPM2
+        depends on 6xx && !CPM2
         default y
 
 config PPC_I8259
         bool
-        default y if 85xx
+        default y if 85xx || PPC_PREP
         default n
 
 config PPC_INDIRECT_PCI
         bool
         depends on PCI
-        default y if 40x || 44x || 85xx || 83xx
+        default y if 40x || 44x || 85xx || 83xx || PPC_PREP
         default n
 
 config EISA
@@ -1390,7 +1359,7 @@ config CONSISTENT_SIZE
 
 config BOOT_LOAD_BOOL
         bool "Set the boot link/load address"
-        depends on ADVANCED_OPTIONS && !PPC_MULTIPLATFORM
+        depends on ADVANCED_OPTIONS && !PPC_PREP
         help
           This option allows you to set the initial load address of the zImage
           or zImage.initrd file.  This can be useful if you are on a board
diff --git a/arch/ppc/Kconfig.debug b/arch/ppc/Kconfig.debug
index 8cc75abf3d83..f94b87740973 100644
--- a/arch/ppc/Kconfig.debug
+++ b/arch/ppc/Kconfig.debug
@@ -53,13 +53,6 @@ config BDI_SWITCH
           Unless you are intending to debug the kernel with one of these
           machines, say N here.
 
-config BOOTX_TEXT
-        bool "Support for early boot text console (BootX or OpenFirmware only)"
-        depends PPC_OF
-        help
-          Say Y here to see progress messages from the boot firmware in text
-          mode. Requires either BootX or Open Firmware.
-
 config SERIAL_TEXT_DEBUG
         bool "Support for early boot texts over serial port"
         depends on 4xx || LOPEC || MV64X60 || PPLUS || PRPMC800 || \
diff --git a/arch/ppc/Makefile b/arch/ppc/Makefile
index 9fbdf54ba2be..0db66dcf0723 100644
--- a/arch/ppc/Makefile
+++ b/arch/ppc/Makefile
@@ -40,10 +40,8 @@ ifndef CONFIG_FSL_BOOKE
 CFLAGS          += -mstring
 endif
 
-cpu-as-$(CONFIG_PPC64BRIDGE)    += -Wa,-mppc64bridge
 cpu-as-$(CONFIG_4xx)            += -Wa,-m405
 cpu-as-$(CONFIG_6xx)            += -Wa,-maltivec
-cpu-as-$(CONFIG_POWER4)         += -Wa,-maltivec
 cpu-as-$(CONFIG_E500)           += -Wa,-me500
 cpu-as-$(CONFIG_E200)           += -Wa,-me200
 
@@ -59,8 +57,6 @@ head-$(CONFIG_4xx)		:= arch/ppc/kernel/head_4xx.o
 head-$(CONFIG_44x)              := arch/ppc/kernel/head_44x.o
 head-$(CONFIG_FSL_BOOKE)        := arch/ppc/kernel/head_fsl_booke.o
 
-head-$(CONFIG_6xx)              += arch/ppc/kernel/idle_6xx.o
-head-$(CONFIG_POWER4)           += arch/ppc/kernel/idle_power4.o
 head-$(CONFIG_PPC_FPU)          += arch/powerpc/kernel/fpu.o
 
 core-y                          += arch/ppc/kernel/ arch/powerpc/kernel/ \
@@ -71,7 +67,7 @@ core-y				+= arch/ppc/kernel/ arch/powerpc/kernel/ \
 core-$(CONFIG_4xx)              += arch/ppc/platforms/4xx/
 core-$(CONFIG_83xx)             += arch/ppc/platforms/83xx/
 core-$(CONFIG_85xx)             += arch/ppc/platforms/85xx/
-core-$(CONFIG_MATH_EMULATION)   += arch/ppc/math-emu/
+core-$(CONFIG_MATH_EMULATION)   += arch/powerpc/math-emu/
 core-$(CONFIG_XMON)             += arch/ppc/xmon/
 core-$(CONFIG_APUS)             += arch/ppc/amiga/
 drivers-$(CONFIG_8xx)           += arch/ppc/8xx_io/
diff --git a/arch/ppc/boot/Makefile b/arch/ppc/boot/Makefile
index 84eec0bef93c..b739e25d4728 100644
--- a/arch/ppc/boot/Makefile
+++ b/arch/ppc/boot/Makefile
@@ -19,14 +19,13 @@ HOSTCFLAGS	+= -Iarch/$(ARCH)/boot/include
 BOOT_TARGETS    = zImage zImage.initrd znetboot znetboot.initrd
 
 bootdir-y                       := simple
-bootdir-$(CONFIG_PPC_OF)        += openfirmware
 subdir-y                        := lib common images
-subdir-$(CONFIG_PPC_MULTIPLATFORM)      += of1275
+subdir-$(CONFIG_PPC_PREP)       += of1275
 
 # for cleaning
-subdir-                         += simple openfirmware
+subdir-                         += simple
 
-hostprogs-y := $(addprefix utils/, addnote mknote hack-coff mkprep mkbugboot mktree)
+hostprogs-y := $(addprefix utils/, mkprep mkbugboot mktree)
 
 PHONY += $(BOOT_TARGETS) $(bootdir-y)
 
diff --git a/arch/ppc/boot/openfirmware/Makefile b/arch/ppc/boot/openfirmware/Makefile
deleted file mode 100644
index 66b739743759..000000000000
--- a/arch/ppc/boot/openfirmware/Makefile
+++ /dev/null
@@ -1,109 +0,0 @@
-# Makefile for making bootable images on various OpenFirmware machines.
-#
-# This file is included by the global makefile so that you can add your own
-# architecture-specific flags and dependencies.
-#
-# Paul Mackerras        January 1997
-#       XCOFF bootable images for PowerMacs
-# Geert Uytterhoeven    September 1997
-#       ELF bootable iamges for CHRP machines.
-# Tom Rini              January 2001
-#       Cleaned up, moved into arch/ppc/boot/pmac
-# Tom Rini              July/August 2002
-#       Merged 'chrp' and 'pmac' into 'openfirmware', and cleaned up the
-#       rules.
-
-zImage.initrd znetboot.initrd: del-ramdisk-sec  := -R .ramdisk
-zImage.initrd znetboot.initrd: initrd           := .initrd
-
-
-boot    := arch/ppc/boot
-common  := $(boot)/common
-utils   := $(boot)/utils
-bootlib := $(boot)/lib
-of1275  := $(boot)/of1275
-images  := $(boot)/images
-
-CHRP_LD_ARGS    := -T $(srctree)/$(boot)/ld.script -e _start -Ttext 0x00800000
-
-COMMONOBJS      := start.o misc.o common.o
-CHRPOBJS        := crt0.o     $(COMMONOBJS) chrpmain.o
-
-targets         := $(CHRPOBJS) dummy.o
-CHRPOBJS        := $(addprefix $(obj)/, $(CHRPOBJS))
-
-LIBS            := lib/lib.a $(bootlib)/lib.a $(of1275)/lib.a $(common)/lib.a
-
-ifdef CONFIG_SMP
-END := .smp
-endif
-ifdef CONFIG_PPC64BRIDGE
-END += .64
-endif
-
-
-$(images)/ramdisk.image.gz:
-        @echo '  MISSING $@'
-        @echo '          RAM disk image must be provided separately'
-        @/bin/false
-
-quiet_cmd_genimage = GEN     $@
-      cmd_genimage = $(OBJCOPY) -R .comment       \
-        --add-section=.image=$(images)/vmlinux.gz \
-        --set-section-flags=.image=contents,alloc,load,readonly,data $< $@
-
-targets += image.o
-$(obj)/image.o: $(obj)/dummy.o $(images)/vmlinux.gz FORCE
-        $(call if_changed,genimage)
-
-# Place the ramdisk in the initrd image.
-quiet_cmd_genimage-initrd = GEN     $@
-      cmd_genimage-initrd = $(OBJCOPY) $< $@ \
-        --add-section=.ramdisk=$(images)/ramdisk.image.gz \
-        --set-section-flags=.ramdisk=contents,alloc,load,readonly,data
-targets += image.initrd.o
-$(obj)/image.initrd.o: $(obj)/image.o $(images)/ramdisk.image.gz FORCE
-        $(call if_changed,genimage-initrd)
-
-
-targets += crt0.o
-$(obj)/crt0.o: $(common)/crt0.S FORCE
-        $(call if_changed_dep,as_o_S)
-
-quiet_cmd_gen-chrp = CHRP    $@
-      cmd_gen-chrp = $(LD) $(CHRP_LD_ARGS) -o $@ $(CHRPOBJS) $< $(LIBS) && \
-                        $(OBJCOPY) $@ $@ -R .comment $(del-ramdisk-sec)
-
-$(images)/zImage.chrp: $(obj)/image.o $(CHRPOBJS) $(LIBS) \
-                                   $(srctree)/$(boot)/ld.script
-        $(call cmd,gen-chrp)
-$(images)/zImage.initrd.chrp: $(obj)/image.initrd.o $(CHRPOBJS) $(LIBS) \
-                                   $(srctree)/$(boot)/ld.script
-        $(call cmd,gen-chrp)
-
-quiet_cmd_addnote = ADDNOTE $@
-      cmd_addnote = cat $< > $@ && $(utils)/addnote $@
-$(images)/zImage.chrp-rs6k $(images)/zImage.initrd.chrp-rs6k: \
-        %-rs6k: %
-        $(call cmd,addnote)
-
-# The targets used on the make command-line
-
-PHONY += zImage zImage.initrd
-zImage:          $(images)/zImage.chrp          \
-                 $(images)/zImage.chrp-rs6k
-        @echo '  kernel: $@ is ready ($<)'
-zImage.initrd:   $(images)/zImage.initrd.chrp           \
-                 $(images)/zImage.initrd.chrp-rs6k
-        @echo '  kernel: $@ is ready ($<)'
-
-TFTPIMAGE       := /tftpboot/zImage
-
-PHONY += znetboot znetboot.initrd
-znetboot:       $(images)/zImage.chrp
-        cp $(images)/zImage.chrp      $(TFTPIMAGE).chrp$(END)
-        @echo '  kernel: $@ is ready ($<)'
-znetboot.initrd:$(images)/zImage.initrd.chrp
-        cp $(images)/zImage.initrd.chrp      $(TFTPIMAGE).chrp$(END)
-        @echo '  kernel: $@ is ready ($<)'
-
diff --git a/arch/ppc/boot/openfirmware/chrpmain.c b/arch/ppc/boot/openfirmware/chrpmain.c
deleted file mode 100644
index 245dbd9fc120..000000000000
--- a/arch/ppc/boot/openfirmware/chrpmain.c
+++ /dev/null
@@ -1,101 +0,0 @@
-/*
- * Copyright (C) Paul Mackerras 1997.
- *
- * This program is free software; you can redistribute it and/or
- * modify it under the terms of the GNU General Public License
- * as published by the Free Software Foundation; either version
- * 2 of the License, or (at your option) any later version.
- */
-#include <linux/string.h>
-#include "nonstdio.h"
-#include "of1275.h"
-#include <asm/processor.h>
-#include <asm/page.h>
-
-/* Passed from the linker */
-extern char __image_begin, __image_end;
-extern char __ramdisk_begin, __ramdisk_end;
-extern char _start, _end;
-
-extern unsigned int heap_max;
-extern void flush_cache(void *, unsigned long);
-extern void gunzip(void *, int, unsigned char *, int *);
-extern void make_bi_recs(unsigned long addr, char *name, unsigned int mach,
-                unsigned int progend);
-
-char *avail_ram;
-char *begin_avail, *end_avail;
-char *avail_high;
-
-#define RAM_START       0x00000000
-#define RAM_END         (64<<20)
-
-#define BOOT_START      ((unsigned long)_start)
-#define BOOT_END        ((unsigned long)(_end + 0xFFF) & ~0xFFF)
-
-#define RAM_FREE        ((unsigned long)(_end+0x1000)&~0xFFF)
-#define PROG_START      0x00010000
-#define PROG_SIZE       0x007f0000 /* 8MB */
-
-#define SCRATCH_SIZE    (128 << 10)
-
-static char scratch[SCRATCH_SIZE];      /* 128k of scratch space for gunzip */
-
-typedef void (*kernel_start_t)(int, int, void *, unsigned int, unsigned int);
-
-void
-boot(int a1, int a2, void *prom)
-{
-    unsigned sa, len;
-    void *dst;
-    unsigned char *im;
-    unsigned int initrd_size, initrd_start;
-
-    printf("chrpboot starting: loaded at 0x%p\n\r", &_start);
-
-    initrd_size = &__ramdisk_end - &__ramdisk_begin;
-    if (initrd_size) {
-        initrd_start = (RAM_END - initrd_size) & ~0xFFF;
-        a1 = initrd_start;
-        a2 = initrd_size;
-        claim(initrd_start, RAM_END - initrd_start, 0);
-        printf("initial ramdisk moving 0x%x <- 0x%p (%x bytes)\n\r",
-               initrd_start, &__ramdisk_begin, initrd_size);
-        memcpy((char *)initrd_start, &__ramdisk_begin, initrd_size);
-    } else {
-        initrd_start = 0;
-        initrd_size = 0;
-        a2 = 0xdeadbeef;
-    }
-
-    im = &__image_begin;
-    len = &__image_end - &__image_begin;
-    /* claim 4MB starting at PROG_START */
-    claim(PROG_START, PROG_SIZE - PROG_START, 0);
-    dst = (void *) PROG_START;
-    if (im[0] == 0x1f && im[1] == 0x8b) {
-        avail_ram = scratch;
-        begin_avail = avail_high = avail_ram;
-        end_avail = scratch + sizeof(scratch);
-        printf("gunzipping (0x%p <- 0x%p:0x%p)...", dst, im, im+len);
-        gunzip(dst, PROG_SIZE - PROG_START, im, &len);
-        printf("done %u bytes\n\r", len);
-        printf("%u bytes of heap consumed, max in use %u\n\r",
-               avail_high - begin_avail, heap_max);
-    } else {
-        memmove(dst, im, len);
-    }
-
-    flush_cache(dst, len);
-    make_bi_recs(((unsigned long) dst + len), "chrpboot", _MACH_chrp,
-                    (PROG_START + PROG_SIZE));
-
-    sa = PROG_START;
-    printf("start address = 0x%x\n\r", sa);
-
-    (*(kernel_start_t)sa)(a1, a2, prom, initrd_start, initrd_size);
-
-    printf("returned?\n\r");
-
-    pause();
-}
diff --git a/arch/ppc/boot/openfirmware/common.c b/arch/ppc/boot/openfirmware/common.c
deleted file mode 100644
index 0f46756a903e..000000000000
--- a/arch/ppc/boot/openfirmware/common.c
+++ /dev/null
@@ -1,146 +0,0 @@
-/*
- * Copyright (C) Paul Mackerras 1997.
- *
- * This program is free software; you can redistribute it and/or
- * modify it under the terms of the GNU General Public License
- * as published by the Free Software Foundation; either version
- * 2 of the License, or (at your option) any later version.
- */
-
-#include "nonstdio.h"
-#include "of1275.h"
-#include <linux/string.h>
-#include <linux/zlib.h>
-#include <asm/bootinfo.h>
-#include <asm/page.h>
-
-/* Information from the linker */
-
-extern int strcmp(const char *s1, const char *s2);
-extern char *avail_ram, *avail_high;
-extern char *end_avail;
-
-unsigned int heap_use, heap_max;
-
-struct memchunk {
-    unsigned int size;
-    struct memchunk *next;
-};
-
-static struct memchunk *freechunks;
-
-static void *zalloc(unsigned size)
-{
-    void *p;
-    struct memchunk **mpp, *mp;
-
-    size = (size + 7) & -8;
-    heap_use += size;
-    if (heap_use > heap_max)
-        heap_max = heap_use;
-    for (mpp = &freechunks; (mp = *mpp) != 0; mpp = &mp->next) {
-        if (mp->size == size) {
-            *mpp = mp->next;
-            return mp;
-        }
-    }
-    p = avail_ram;
-    avail_ram += size;
-    if (avail_ram > avail_high)
-        avail_high = avail_ram;
-    if (avail_ram > end_avail) {
-        printf("oops... out of memory\n\r");
-        pause();
-    }
-    return p;
-}
-
-#define HEAD_CRC        2
-#define EXTRA_FIELD     4
-#define ORIG_NAME       8
-#define COMMENT         0x10
-#define RESERVED        0xe0
-
-void gunzip(void *dst, int dstlen, unsigned char *src, int *lenp)
-{
-        z_stream s;
-        int r, i, flags;
-
-        /* skip header */
-        i = 10;
-        flags = src[3];
-        if (src[2] != Z_DEFLATED || (flags & RESERVED) != 0) {
-                printf("bad gzipped data\n\r");
-                exit();
-        }
-        if ((flags & EXTRA_FIELD) != 0)
-                i = 12 + src[10] + (src[11] << 8);
-        if ((flags & ORIG_NAME) != 0)
-                while (src[i++] != 0)
-                        ;
-        if ((flags & COMMENT) != 0)
-                while (src[i++] != 0)
-                        ;
-        if ((flags & HEAD_CRC) != 0)
-                i += 2;
-        if (i >= *lenp) {
-                printf("gunzip: ran out of data in header\n\r");
-                exit();
-        }
-
-        /* Initialize ourself. */
-        s.workspace = zalloc(zlib_inflate_workspacesize());
-        r = zlib_inflateInit2(&s, -MAX_WBITS);
-        if (r != Z_OK) {
-                printf("zlib_inflateInit2 returned %d\n\r", r);
-                exit();
-        }
-        s.next_in = src + i;
-        s.avail_in = *lenp - i;
-        s.next_out = dst;
-        s.avail_out = dstlen;
-        r = zlib_inflate(&s, Z_FINISH);
-        if (r != Z_OK && r != Z_STREAM_END) {
-                printf("inflate returned %d msg: %s\n\r", r, s.msg);
-                exit();
-        }
-        *lenp = s.next_out - (unsigned char *) dst;
-        zlib_inflateEnd(&s);
-}
-
-/* Make a bi_rec in OF.  We need to be passed a name for BI_BOOTLOADER_ID,
- * a machine type for BI_MACHTYPE, and the location where the end of the
- * bootloader is (PROG_START + PROG_SIZE)
- */
-void make_bi_recs(unsigned long addr, char *name, unsigned int mach,
-                unsigned long progend)
-{
-        struct bi_record *rec;
-
-
-        /* leave a 1MB gap then align to the next 1MB boundary */
-        addr = _ALIGN(addr+ (1<<20) - 1, (1<<20));
-        /* oldworld machine seem very unhappy about this. -- Tom */
-        if (addr >= progend)
-                claim(addr, 0x1000, 0);
-
-        rec = (struct bi_record *)addr;
-        rec->tag = BI_FIRST;
-        rec->size = sizeof(struct bi_record);
-        rec = (struct bi_record *)((unsigned long)rec + rec->size);
-
-        rec->tag = BI_BOOTLOADER_ID;
-        sprintf( (char *)rec->data, name);
-        rec->size = sizeof(struct bi_record) + strlen(name) + 1;
-        rec = (struct bi_record *)((unsigned long)rec + rec->size);
-
-        rec->tag = BI_MACHTYPE;
-        rec->data[0] = mach;
-        rec->data[1] = 1;
-        rec->size = sizeof(struct bi_record) + 2 * sizeof(unsigned long);
-        rec = (struct bi_record *)((unsigned long)rec + rec->size);
-
-        rec->tag = BI_LAST;
-        rec->size = sizeof(struct bi_record);
-        rec = (struct bi_record *)((unsigned long)rec + rec->size);
-}
diff --git a/arch/ppc/boot/openfirmware/dummy.c b/arch/ppc/boot/openfirmware/dummy.c
deleted file mode 100644
index 31dbf45bf99c..000000000000
--- a/arch/ppc/boot/openfirmware/dummy.c
+++ /dev/null
@@ -1,4 +0,0 @@
-int main(void)
-{
-        return 0;
-}
diff --git a/arch/ppc/boot/openfirmware/misc.S b/arch/ppc/boot/openfirmware/misc.S
deleted file mode 100644
index ab9e897cadd0..000000000000
--- a/arch/ppc/boot/openfirmware/misc.S
+++ /dev/null
@@ -1,67 +0,0 @@
-/*
- * Copyright (C) Paul Mackerras 1997.
- *
- * This program is free software; you can redistribute it and/or
- * modify it under the terms of the GNU General Public License
- * as published by the Free Software Foundation; either version
- * 2 of the License, or (at your option) any later version.
- */
-        .text
-
-/*
- * Use the BAT2 & 3 registers to map the 1st 16MB of RAM to
- * the address given as the 1st argument.
- */
-        .globl  setup_bats
-setup_bats:
-        mfpvr   5
-        rlwinm  5,5,16,16,31            /* r3 = 1 for 601, 4 for 604 */
-        cmpwi   0,5,1
-        li      0,0
-        bne     4f
-        mtibatl 3,0                     /* invalidate BAT first */
-        ori     3,3,4                   /* set up BAT registers for 601 */
-        li      4,0x7f
-        mtibatu 2,3
-        mtibatl 2,4
-        oris    3,3,0x80
-        oris    4,4,0x80
-        mtibatu 3,3
-        mtibatl 3,4
-        b       5f
-4:      mtdbatu 3,0                     /* invalidate BATs first */
-        mtibatu 3,0
-        ori     3,3,0xff                /* set up BAT registers for 604 */
-        li      4,2
-        mtdbatl 2,4
-        mtdbatu 2,3
-        mtibatl 2,4
-        mtibatu 2,3
-        oris    3,3,0x80
-        oris    4,4,0x80
-        mtdbatl 3,4
-        mtdbatu 3,3
-        mtibatl 3,4
-        mtibatu 3,3
-5:      sync
-        isync
-        blr
-
-/*
- * Flush the dcache and invalidate the icache for a range of addresses.
- *
- * flush_cache(addr, len)
- */
-        .global flush_cache
-flush_cache:
-        addi    4,4,0x1f        /* len = (len + 0x1f) / 0x20 */
-        rlwinm. 4,4,27,5,31
-        mtctr   4
-        beqlr
-1:      dcbf    0,3
-        icbi    0,3
-        addi    3,3,0x20
-        bdnz    1b
-        sync
-        isync
-        blr
diff --git a/arch/ppc/boot/openfirmware/start.c b/arch/ppc/boot/openfirmware/start.c
deleted file mode 100644
index 1617a26956bf..000000000000
--- a/arch/ppc/boot/openfirmware/start.c
+++ /dev/null
@@ -1,172 +0,0 @@
-/*
- * Copyright (C) Paul Mackerras 1997.
- *
- * This program is free software; you can redistribute it and/or
- * modify it under the terms of the GNU General Public License
- * as published by the Free Software Foundation; either version
- * 2 of the License, or (at your option) any later version.
- */
-#include <stdarg.h>
-#include "of1275.h"
-
-extern int strlen(const char *s);
-extern void boot(int a1, int a2, void *prom);
-
-phandle stdin;
-phandle stdout;
-phandle stderr;
-
-void printk(char *fmt, ...);
-
-void
-start(int a1, int a2, void *promptr)
-{
-    ofinit(promptr);
-    if (ofstdio(&stdin, &stdout, &stderr))
-        exit();
-
-    boot(a1, a2, promptr);
-    for (;;)
-        exit();
-}
-
-int writestring(void *f, char *ptr, int nb)
-{
-        int w = 0, i;
-        char *ret = "\r";
-
-        for (i = 0; i < nb; ++i) {
-                if (ptr[i] == '\n') {
-                        if (i > w) {
-                                write(f, ptr + w, i - w);
-                                w = i;
-                        }
-                        write(f, ret, 1);
-                }
-        }
-        if (w < nb)
-                write(f, ptr + w, nb - w);
-        return nb;
-}
-
-int
-putc(int c, void *f)
-{
-    char ch = c;
-
-    return writestring(f, &ch, 1) == 1? c: -1;
-}
-
-int
-putchar(int c)
-{
-    return putc(c, stdout);
-}
-
-int
-fputs(char *str, void *f)
-{
-    int n = strlen(str);
-
-    return writestring(f, str, n) == n? 0: -1;
-}
-
-int
-readchar(void)
-{
-    char ch;
-
-    for (;;) {
-        switch (read(stdin, &ch, 1)) {
-        case 1:
-            return ch;
-        case -1:
-            printk("read(stdin) returned -1\n");
-            return -1;
-        }
-    }
-}
-
-static char line[256];
-static char *lineptr;
-static int lineleft;
-
-int
-getchar(void)
-{
-    int c;
-
-    if (lineleft == 0) {
-        lineptr = line;
-        for (;;) {
-            c = readchar();
-            if (c == -1 || c == 4)
-                break;
-            if (c == '\r' || c == '\n') {
-                *lineptr++ = '\n';
-                putchar('\n');
-                break;
-            }
-            switch (c) {
-            case 0177:
-            case '\b':
-                if (lineptr > line) {
-                    putchar('\b');
-                    putchar(' ');
-                    putchar('\b');
-                    --lineptr;
-                }
-                break;
-            case 'U' & 0x1F:
-                while (lineptr > line) {
-                    putchar('\b');
-                    putchar(' ');
-                    putchar('\b');
-                    --lineptr;
-                }
-                break;
-            default:
-                if (lineptr >= &line[sizeof(line) - 1])
-                    putchar('\a');
-                else {
-                    putchar(c);
-                    *lineptr++ = c;
-                }
-            }
-        }
-        lineleft = lineptr - line;
-        lineptr = line;
-    }
-    if (lineleft == 0)
-        return -1;
-    --lineleft;
-    return *lineptr++;
-}
-
-extern int vsprintf(char *buf, const char *fmt, va_list args);
-static char sprint_buf[1024];
-
-void
-printk(char *fmt, ...)
-{
-        va_list args;
-        int n;
-
-        va_start(args, fmt);
-        n = vsprintf(sprint_buf, fmt, args);
-        va_end(args);
-        writestring(stdout, sprint_buf, n);
-}
-
-int
-printf(char *fmt, ...)
-{
-        va_list args;
-        int n;
-
-        va_start(args, fmt);
-        n = vsprintf(sprint_buf, fmt, args);
-        va_end(args);
-        writestring(stdout, sprint_buf, n);
-        return n;
-}
diff --git a/arch/ppc/boot/simple/mpc10x_memory.c b/arch/ppc/boot/simple/mpc10x_memory.c
index c24290823f7f..8da8f576031d 100644
--- a/arch/ppc/boot/simple/mpc10x_memory.c
+++ b/arch/ppc/boot/simple/mpc10x_memory.c
@@ -50,10 +50,10 @@ MPC10X_PCI_OP(read, dword, u32 *, in_le32, 0)
  * the system.  This assumes that the firmware has correctly set up the memory
  * controller registers.  On CONFIG_PPC_PREP, we know we are being called
  * under a PReP memory map. On all other machines, we assume we are under
- * a CHRP memory map.  Further, on CONFIG_PPC_MULTIPLATFORM we must rename
+ * a CHRP memory map.  Further, on CONFIG_PPC_PREP we must rename
  * this function.
  */
-#ifdef CONFIG_PPC_MULTIPLATFORM
+#ifdef CONFIG_PPC_PREP
 #define get_mem_size mpc10x_get_mem_size
 #endif
 unsigned long
diff --git a/arch/ppc/boot/simple/relocate.S b/arch/ppc/boot/simple/relocate.S
index 7efddc507564..2533113c1cc5 100644
--- a/arch/ppc/boot/simple/relocate.S
+++ b/arch/ppc/boot/simple/relocate.S
@@ -194,7 +194,7 @@ start_ldr:
         /*
          * Start at the begining.
          */
-#ifdef CONFIG_PPC_MULTIPLATFORM
+#ifdef CONFIG_PPC_PREP
         li      r9,0xc
         mtlr    r9
         /* tell kernel we're prep, by putting 0xdeadc0de at KERNELLOAD,
diff --git a/arch/ppc/boot/utils/addnote.c b/arch/ppc/boot/utils/addnote.c
deleted file mode 100644
index 6c52b18f2d04..000000000000
--- a/arch/ppc/boot/utils/addnote.c
+++ /dev/null
@@ -1,175 +0,0 @@
-/*
- * Program to hack in a PT_NOTE program header entry in an ELF file.
- * This is needed for OF on RS/6000s to load an image correctly.
- * Note that OF needs a program header entry for the note, not an
- * ELF section.
- *
- * Copyright 2000 Paul Mackerras.
- *
- * This program is free software; you can redistribute it and/or
- * modify it under the terms of the GNU General Public License
- * as published by the Free Software Foundation; either version
- * 2 of the License, or (at your option) any later version.
- *
- * Usage: addnote zImage
- */
-#include <stdio.h>
-#include <stdlib.h>
-#include <fcntl.h>
-#include <unistd.h>
-#include <string.h>
-
-char arch[] = "PowerPC";
-
-#define N_DESCR 6
-unsigned int descr[N_DESCR] = {
-#if 1
-        /* values for IBM RS/6000 machines */
-        0xffffffff,             /* real-mode = true */
-        0x00c00000,             /* real-base, i.e. where we expect OF to be */
-        0xffffffff,             /* real-size */
-        0xffffffff,             /* virt-base */
-        0xffffffff,             /* virt-size */
-        0x4000,                 /* load-base */
-#else
-        /* values for longtrail CHRP */
-        0,                      /* real-mode = false */
-        0xffffffff,             /* real-base */
-        0xffffffff,             /* real-size */
-        0xffffffff,             /* virt-base */
-        0xffffffff,             /* virt-size */
-        0x00600000,             /* load-base */
-#endif
-};
-
-unsigned char buf[512];
-
-#define GET_16BE(off)   ((buf[off] << 8) + (buf[(off)+1]))
-#define GET_32BE(off)   ((GET_16BE(off) << 16) + GET_16BE((off)+2))
-
-#define PUT_16BE(off, v)        (buf[off] = ((v) >> 8) & 0xff, \
-                                 buf[(off) + 1] = (v) & 0xff)
-#define PUT_32BE(off, v)        (PUT_16BE((off), (v) >> 16), \
-                                 PUT_16BE((off) + 2, (v)))
-
-/* Structure of an ELF file */
-#define E_IDENT         0       /* ELF header */
-#define E_PHOFF         28
-#define E_PHENTSIZE     42
-#define E_PHNUM         44
-#define E_HSIZE         52      /* size of ELF header */
-
-#define EI_MAGIC        0       /* offsets in E_IDENT area */
-#define EI_CLASS        4
-#define EI_DATA         5
-
-#define PH_TYPE         0       /* ELF program header */
-#define PH_OFFSET       4
-#define PH_FILESZ       16
-#define PH_HSIZE        32      /* size of program header */
-
-#define PT_NOTE         4       /* Program header type = note */
-
-#define ELFCLASS32      1
-#define ELFDATA2MSB     2
-
-unsigned char elf_magic[4] = { 0x7f, 'E', 'L', 'F' };
-
-int main(int ac, char **av)
-{
-        int fd, n, i;
-        int ph, ps, np;
-        int nnote, ns;
-
-        if (ac != 2) {
-                fprintf(stderr, "Usage: %s elf-file\n", av[0]);
-                exit(1);
-        }
-        fd = open(av[1], O_RDWR);
-        if (fd < 0) {
-                perror(av[1]);
-                exit(1);
-        }
-
-        nnote = strlen(arch) + 1 + (N_DESCR + 3) * 4;
-
-        n = read(fd, buf, sizeof(buf));
-        if (n < 0) {
-                perror("read");
-                exit(1);
-        }
-
-        if (n < E_HSIZE || memcmp(&buf[E_IDENT+EI_MAGIC], elf_magic, 4) != 0)
-                goto notelf;
-
-        if (buf[E_IDENT+EI_CLASS] != ELFCLASS32
-            || buf[E_IDENT+EI_DATA] != ELFDATA2MSB) {
-                fprintf(stderr, "%s is not a big-endian 32-bit ELF image\n",
-                        av[1]);
-                exit(1);
-        }
-
-        ph = GET_32BE(E_PHOFF);
-        ps = GET_16BE(E_PHENTSIZE);
-        np = GET_16BE(E_PHNUM);
-        if (ph < E_HSIZE || ps < PH_HSIZE || np < 1)
-                goto notelf;
-        if (ph + (np + 1) * ps + nnote > n)
-                goto nospace;
-
-        for (i = 0; i < np; ++i) {
-                if (GET_32BE(ph + PH_TYPE) == PT_NOTE) {
-                        fprintf(stderr, "%s already has a note entry\n",
-                                av[1]);
-                        exit(0);
-                }
-                ph += ps;
-        }
-
-        /* XXX check that the area we want to use is all zeroes */
-        for (i = 0; i < ps + nnote; ++i)
-                if (buf[ph + i] != 0)
-                        goto nospace;
-
-        /* fill in the program header entry */
-        ns = ph + ps;
-        PUT_32BE(ph + PH_TYPE, PT_NOTE);
-        PUT_32BE(ph + PH_OFFSET, ns);
-        PUT_32BE(ph + PH_FILESZ, nnote);
-
-        /* fill in the note area we point to */
-        /* XXX we should probably make this a proper section */
-        PUT_32BE(ns, strlen(arch) + 1);
-        PUT_32BE(ns + 4, N_DESCR * 4);
-        PUT_32BE(ns + 8, 0x1275);
-        strcpy(&buf[ns + 12], arch);
-        ns += 12 + strlen(arch) + 1;
-        for (i = 0; i < N_DESCR; ++i)
-                PUT_32BE(ns + i * 4, descr[i]);
-
-        /* Update the number of program headers */
-        PUT_16BE(E_PHNUM, np + 1);
-
-        /* write back */
-        lseek(fd, (long) 0, SEEK_SET);
-        i = write(fd, buf, n);
-        if (i < 0) {
-                perror("write");
-                exit(1);
-        }
-        if (i < n) {
-                fprintf(stderr, "%s: write truncated\n", av[1]);
-                exit(1);
-        }
-
-        exit(0);
-
- notelf:
-        fprintf(stderr, "%s does not appear to be an ELF file\n", av[0]);
-        exit(1);
-
- nospace:
-        fprintf(stderr, "sorry, I can't find space in %s to put the note\n",
-                av[0]);
-        exit(1);
-}
diff --git a/arch/ppc/boot/utils/hack-coff.c b/arch/ppc/boot/utils/hack-coff.c
deleted file mode 100644
index 5e5a6573a1ef..000000000000
--- a/arch/ppc/boot/utils/hack-coff.c
+++ /dev/null
@@ -1,84 +0,0 @@
-/*
- * hack-coff.c - hack the header of an xcoff file to fill in
- * a few fields needed by the Open Firmware xcoff loader on
- * Power Macs but not initialized by objcopy.
- *
- * Copyright (C) Paul Mackerras 1997.
- *
- * This program is free software; you can redistribute it and/or
- * modify it under the terms of the GNU General Public License
- * as published by the Free Software Foundation; either version
- * 2 of the License, or (at your option) any later version.
- */
-#include <stdio.h>
-#include <stdlib.h>
-#include <unistd.h>
-#include <fcntl.h>
-#include <string.h>
-#include "rs6000.h"
-
-#define AOUT_MAGIC      0x010b
-
-#define get_16be(x)     ((((unsigned char *)(x))[0] << 8) \
-                         + ((unsigned char *)(x))[1])
-#define put_16be(x, v)  (((unsigned char *)(x))[0] = (v) >> 8, \
-                         ((unsigned char *)(x))[1] = (v) & 0xff)
-#define get_32be(x)     ((((unsigned char *)(x))[0] << 24) \
-                         + (((unsigned char *)(x))[1] << 16) \
-                         + (((unsigned char *)(x))[2] << 8) \
-                         + ((unsigned char *)(x))[3])
-
-int
-main(int ac, char **av)
-{
-    int fd;
-    int i, nsect;
-    int aoutsz;
-    struct external_filehdr fhdr;
-    AOUTHDR aout;
-    struct external_scnhdr shdr;
-
-    if (ac != 2) {
-        fprintf(stderr, "Usage: hack-coff coff-file\n");
-        exit(1);
-    }
-    if ((fd = open(av[1], 2)) == -1) {
-        perror(av[2]);
-        exit(1);
-    }
-    if (read(fd, &fhdr, sizeof(fhdr)) != sizeof(fhdr))
-        goto readerr;
-    i = get_16be(fhdr.f_magic);
-    if (i != U802TOCMAGIC && i != U802WRMAGIC && i != U802ROMAGIC) {
-        fprintf(stderr, "%s: not an xcoff file\n", av[1]);
-        exit(1);
-    }
-    aoutsz = get_16be(fhdr.f_opthdr);
-    if (read(fd, &aout, aoutsz) != aoutsz)
-        goto readerr;
-    nsect = get_16be(fhdr.f_nscns);
-    for (i = 0; i < nsect; ++i) {
-        if (read(fd, &shdr, sizeof(shdr)) != sizeof(shdr))
-            goto readerr;
-        if (strcmp(shdr.s_name, ".text") == 0) {
-            put_16be(aout.o_snentry, i+1);
-            put_16be(aout.o_sntext, i+1);
-        } else if (strcmp(shdr.s_name, ".data") == 0) {
-            put_16be(aout.o_sndata, i+1);
-        } else if (strcmp(shdr.s_name, ".bss") == 0) {
-            put_16be(aout.o_snbss, i+1);
-        }
-    }
-    put_16be(aout.magic, AOUT_MAGIC);
-    if (lseek(fd, (long) sizeof(struct external_filehdr), 0) == -1
-        || write(fd, &aout, aoutsz) != aoutsz) {
-        fprintf(stderr, "%s: write error\n", av[1]);
-        exit(1);
-    }
-    close(fd);
-    exit(0);
-
-readerr:
-    fprintf(stderr, "%s: read error or file too short\n", av[1]);
-    exit(1);
-}
diff --git a/arch/ppc/boot/utils/mknote.c b/arch/ppc/boot/utils/mknote.c
deleted file mode 100644
index b9fbb2cbfc8f..000000000000
--- a/arch/ppc/boot/utils/mknote.c
+++ /dev/null
@@ -1,44 +0,0 @@
-/*
- * Copyright (C) Cort Dougan 1999.
- *
- * This program is free software; you can redistribute it and/or
- * modify it under the terms of the GNU General Public License
- * as published by the Free Software Foundation; either version
- * 2 of the License, or (at your option) any later version.
- *
- * Generate a note section as per the CHRP specification.
- *
- */
-
-#include <stdio.h>
-#include <string.h>
-
-#define PL(x) printf("%c%c%c%c", ((x)>>24)&0xff, ((x)>>16)&0xff, ((x)>>8)&0xff, (x)&0xff );
-
-int main(void)
-{
-/* header */
-        /* namesz */
-        PL(strlen("PowerPC")+1);
-        /* descrsz */
-        PL(6*4);
-        /* type */
-        PL(0x1275);
-        /* name */
-        printf("PowerPC"); printf("%c", 0);
-        
-/* descriptor */
-        /* real-mode */
-        PL(0xffffffff);
-        /* real-base */
-        PL(0x00c00000);
-        /* real-size */
-        PL(0xffffffff);
-        /* virt-base */
-        PL(0xffffffff);
-        /* virt-size */
-        PL(0xffffffff);
-        /* load-base */
-        PL(0x4000);
-        return 0;
-}
diff --git a/arch/ppc/configs/ibmchrp_defconfig b/arch/ppc/configs/ibmchrp_defconfig
deleted file mode 100644
index 27f3e69c1f96..000000000000
--- a/arch/ppc/configs/ibmchrp_defconfig
+++ /dev/null
@@ -1,875 +0,0 @@
-#
-# Automatically generated make config: don't edit
-#
-CONFIG_MMU=y
-CONFIG_RWSEM_XCHGADD_ALGORITHM=y
-CONFIG_HAVE_DEC_LOCK=y
-CONFIG_PPC=y
-CONFIG_PPC32=y
-CONFIG_GENERIC_NVRAM=y
-
-#
-# Code maturity level options
-#
-CONFIG_EXPERIMENTAL=y
-CONFIG_CLEAN_COMPILE=y
-# CONFIG_STANDALONE is not set
-CONFIG_BROKEN_ON_SMP=y
-
-#
-# General setup
-#
-CONFIG_SWAP=y
-CONFIG_SYSVIPC=y
-CONFIG_POSIX_MQUEUE=y
-# CONFIG_BSD_PROCESS_ACCT is not set
-CONFIG_SYSCTL=y
-# CONFIG_AUDIT is not set
-CONFIG_LOG_BUF_SHIFT=14
-# CONFIG_HOTPLUG is not set
-CONFIG_IKCONFIG=y
-CONFIG_IKCONFIG_PROC=y
-# CONFIG_EMBEDDED is not set
-CONFIG_KALLSYMS=y
-CONFIG_FUTEX=y
-CONFIG_EPOLL=y
-CONFIG_IOSCHED_NOOP=y
-CONFIG_IOSCHED_AS=y
-CONFIG_IOSCHED_DEADLINE=y
-CONFIG_IOSCHED_CFQ=y
-# CONFIG_CC_OPTIMIZE_FOR_SIZE is not set
-
-#
-# Loadable module support
-#
-CONFIG_MODULES=y
-CONFIG_MODULE_UNLOAD=y
-CONFIG_MODULE_FORCE_UNLOAD=y
-CONFIG_OBSOLETE_MODPARM=y
-# CONFIG_MODVERSIONS is not set
-CONFIG_KMOD=y
-
-#
-# Processor
-#
-CONFIG_6xx=y
-# CONFIG_40x is not set
-# CONFIG_44x is not set
-# CONFIG_POWER3 is not set
-# CONFIG_POWER4 is not set
-# CONFIG_8xx is not set
-# CONFIG_ALTIVEC is not set
-# CONFIG_TAU is not set
-# CONFIG_CPU_FREQ is not set
-# CONFIG_PPC601_SYNC_FIX is not set
-CONFIG_PPC_STD_MMU=y
-
-#
-# Platform options
-#
-CONFIG_PPC_MULTIPLATFORM=y
-# CONFIG_APUS is not set
-# CONFIG_WILLOW is not set
-# CONFIG_PCORE is not set
-# CONFIG_POWERPMC250 is not set
-# CONFIG_EV64260 is not set
-# CONFIG_SPRUCE is not set
-# CONFIG_LOPEC is not set
-# CONFIG_MCPN765 is not set
-# CONFIG_MVME5100 is not set
-# CONFIG_PPLUS is not set
-# CONFIG_PRPMC750 is not set
-# CONFIG_PRPMC800 is not set
-# CONFIG_SANDPOINT is not set
-# CONFIG_ADIR is not set
-# CONFIG_K2 is not set
-# CONFIG_PAL4 is not set
-# CONFIG_GEMINI is not set
-# CONFIG_EST8260 is not set
-# CONFIG_SBS8260 is not set
-# CONFIG_RPX6 is not set
-# CONFIG_TQM8260 is not set
-CONFIG_PPC_CHRP=y
-CONFIG_PPC_PMAC=y
-CONFIG_PPC_PREP=y
-CONFIG_PPC_OF=y
-CONFIG_PPCBUG_NVRAM=y
-# CONFIG_SMP is not set
-# CONFIG_PREEMPT is not set
-CONFIG_HIGHMEM=y
-CONFIG_KERNEL_ELF=y
-CONFIG_BINFMT_ELF=y
-CONFIG_BINFMT_MISC=y
-CONFIG_PROC_DEVICETREE=y
-CONFIG_PPC_RTAS=y
-# CONFIG_PREP_RESIDUAL is not set
-# CONFIG_CMDLINE_BOOL is not set
-
-#
-# Bus options
-#
-CONFIG_ISA=y
-CONFIG_GENERIC_ISA_DMA=y
-CONFIG_PCI=y
-CONFIG_PCI_DOMAINS=y
-CONFIG_PCI_LEGACY_PROC=y
-CONFIG_PCI_NAMES=y
-
-#
-# Advanced setup
-#
-# CONFIG_ADVANCED_OPTIONS is not set
-
-#
-# Default settings for advanced configuration options are used
-#
-CONFIG_HIGHMEM_START=0xfe000000
-CONFIG_LOWMEM_SIZE=0x30000000
-CONFIG_KERNEL_START=0xc0000000
-CONFIG_TASK_SIZE=0x80000000
-CONFIG_BOOT_LOAD=0x00800000
-
-#
-# Device Drivers
-#
-
-#
-# Generic Driver Options
-#
-
-#
-# Memory Technology Devices (MTD)
-#
-# CONFIG_MTD is not set
-
-#
-# Parallel port support
-#
-# CONFIG_PARPORT is not set
-
-#
-# Plug and Play support
-#
-# CONFIG_PNP is not set
-
-#
-# Block devices
-#
-CONFIG_BLK_DEV_FD=y
-# CONFIG_BLK_DEV_XD is not set
-# CONFIG_BLK_CPQ_DA is not set
-# CONFIG_BLK_CPQ_CISS_DA is not set
-# CONFIG_BLK_DEV_DAC960 is not set
-# CONFIG_BLK_DEV_UMEM is not set
-CONFIG_BLK_DEV_LOOP=y
-# CONFIG_BLK_DEV_CRYPTOLOOP is not set
-# CONFIG_BLK_DEV_NBD is not set
-# CONFIG_BLK_DEV_CARMEL is not set
-CONFIG_BLK_DEV_RAM=y
-CONFIG_BLK_DEV_RAM_SIZE=4096
-CONFIG_BLK_DEV_INITRD=y
-CONFIG_LBD=y
-
-#
-# ATA/ATAPI/MFM/RLL support
-#
-# CONFIG_IDE is not set
-
-#
-# SCSI device support
-#
-CONFIG_SCSI=y
-CONFIG_SCSI_PROC_FS=y
-
-#
-# SCSI support type (disk, tape, CD-ROM)
-#
-CONFIG_BLK_DEV_SD=y
-CONFIG_CHR_DEV_ST=y
-# CONFIG_CHR_DEV_OSST is not set
-CONFIG_BLK_DEV_SR=y
-CONFIG_BLK_DEV_SR_VENDOR=y
-CONFIG_CHR_DEV_SG=y
-
-#
-# Some SCSI devices (e.g. CD jukebox) support multiple LUNs
-#
-# CONFIG_SCSI_MULTI_LUN is not set
-# CONFIG_SCSI_REPORT_LUNS is not set
-CONFIG_SCSI_CONSTANTS=y
-# CONFIG_SCSI_LOGGING is not set
-
-#
-# SCSI Transport Attributes
-#
-CONFIG_SCSI_SPI_ATTRS=y
-# CONFIG_SCSI_FC_ATTRS is not set
-
-#
-# SCSI low-level drivers
-#
-# CONFIG_BLK_DEV_3W_XXXX_RAID is not set
-# CONFIG_SCSI_7000FASST is not set
-# CONFIG_SCSI_ACARD is not set
-# CONFIG_SCSI_AHA152X is not set
-# CONFIG_SCSI_AHA1542 is not set
-# CONFIG_SCSI_AACRAID is not set
-# CONFIG_SCSI_AIC7XXX is not set
-# CONFIG_SCSI_AIC7XXX_OLD is not set
-# CONFIG_SCSI_AIC79XX is not set
-# CONFIG_SCSI_ADVANSYS is not set
-# CONFIG_SCSI_IN2000 is not set
-# CONFIG_SCSI_MEGARAID is not set
-# CONFIG_SCSI_SATA is not set
-# CONFIG_SCSI_BUSLOGIC is not set
-# CONFIG_SCSI_CPQFCTS is not set
-# CONFIG_SCSI_DMX3191D is not set
-# CONFIG_SCSI_DTC3280 is not set
-# CONFIG_SCSI_EATA is not set
-# CONFIG_SCSI_EATA_PIO is not set
-# CONFIG_SCSI_FUTURE_DOMAIN is not set
-# CONFIG_SCSI_GDTH is not set
-# CONFIG_SCSI_GENERIC_NCR5380 is not set
-# CONFIG_SCSI_GENERIC_NCR5380_MMIO is not set
-# CONFIG_SCSI_IPS is not set
-# CONFIG_SCSI_INIA100 is not set
-# CONFIG_SCSI_NCR53C406A is not set
-CONFIG_SCSI_SYM53C8XX_2=y
-CONFIG_SCSI_SYM53C8XX_DMA_ADDRESSING_MODE=0
-CONFIG_SCSI_SYM53C8XX_DEFAULT_TAGS=16
-CONFIG_SCSI_SYM53C8XX_MAX_TAGS=64
-# CONFIG_SCSI_SYM53C8XX_IOMAPPED is not set
-# CONFIG_SCSI_IPR is not set
-# CONFIG_SCSI_PAS16 is not set
-# CONFIG_SCSI_PSI240I is not set
-# CONFIG_SCSI_QLOGIC_FAS is not set
-# CONFIG_SCSI_QLOGIC_ISP is not set
-# CONFIG_SCSI_QLOGIC_FC is not set
-# CONFIG_SCSI_QLOGIC_1280 is not set
-CONFIG_SCSI_QLA2XXX=y
-# CONFIG_SCSI_QLA21XX is not set
-# CONFIG_SCSI_QLA22XX is not set
-# CONFIG_SCSI_QLA2300 is not set
-# CONFIG_SCSI_QLA2322 is not set
-# CONFIG_SCSI_QLA6312 is not set
-# CONFIG_SCSI_QLA6322 is not set
-# CONFIG_SCSI_SYM53C416 is not set
-# CONFIG_SCSI_DC395x is not set
-# CONFIG_SCSI_DC390T is not set
-# CONFIG_SCSI_T128 is not set
-# CONFIG_SCSI_U14_34F is not set
-# CONFIG_SCSI_NSP32 is not set
-# CONFIG_SCSI_DEBUG is not set
-# CONFIG_SCSI_MESH is not set
-# CONFIG_SCSI_MAC53C94 is not set
-
-#
-# Old CD-ROM drivers (not SCSI, not IDE)
-#
-# CONFIG_CD_NO_IDESCSI is not set
-
-#
-# Multi-device support (RAID and LVM)
-#
-# CONFIG_MD is not set
-
-#
-# Fusion MPT device support
-#
-# CONFIG_FUSION is not set
-
-#
-# IEEE 1394 (FireWire) support
-#
-# CONFIG_IEEE1394 is not set
-
-#
-# I2O device support
-#
-# CONFIG_I2O is not set
-
-#
-# Macintosh device drivers
-#
-# CONFIG_ADB is not set
-# CONFIG_ADB_CUDA is not set
-# CONFIG_ADB_PMU is not set
-# CONFIG_MAC_FLOPPY is not set
-# CONFIG_MAC_SERIAL is not set
-
-#
-# Networking support
-#
-CONFIG_NET=y
-
-#
-# Networking options
-#
-CONFIG_PACKET=y
-# CONFIG_PACKET_MMAP is not set
-# CONFIG_NETLINK_DEV is not set
-CONFIG_UNIX=y
-# CONFIG_NET_KEY is not set
-CONFIG_INET=y
-CONFIG_IP_MULTICAST=y
-# CONFIG_IP_ADVANCED_ROUTER is not set
-# CONFIG_IP_PNP is not set
-# CONFIG_NET_IPIP is not set
-# CONFIG_NET_IPGRE is not set
-# CONFIG_IP_MROUTE is not set
-# CONFIG_ARPD is not set
-CONFIG_SYN_COOKIES=y
-# CONFIG_INET_AH is not set
-# CONFIG_INET_ESP is not set
-# CONFIG_INET_IPCOMP is not set
-
-#
-# IP: Virtual Server Configuration
-#
-# CONFIG_IP_VS is not set
-# CONFIG_IPV6 is not set
-CONFIG_NETFILTER=y
-# CONFIG_NETFILTER_DEBUG is not set
-
-#
-# IP: Netfilter Configuration
-#
-CONFIG_IP_NF_CONNTRACK=m
-CONFIG_IP_NF_FTP=m
-CONFIG_IP_NF_IRC=m
-CONFIG_IP_NF_TFTP=m
-CONFIG_IP_NF_AMANDA=m
-# CONFIG_IP_NF_QUEUE is not set
-CONFIG_IP_NF_IPTABLES=m
-CONFIG_IP_NF_MATCH_LIMIT=m
-CONFIG_IP_NF_MATCH_IPRANGE=m
-CONFIG_IP_NF_MATCH_MAC=m
-# CONFIG_IP_NF_MATCH_PKTTYPE is not set
-CONFIG_IP_NF_MATCH_MARK=m
-CONFIG_IP_NF_MATCH_MULTIPORT=m
-CONFIG_IP_NF_MATCH_TOS=m
-CONFIG_IP_NF_MATCH_RECENT=m
-CONFIG_IP_NF_MATCH_ECN=m
-CONFIG_IP_NF_MATCH_DSCP=m
-CONFIG_IP_NF_MATCH_AH_ESP=m
-CONFIG_IP_NF_MATCH_LENGTH=m
-CONFIG_IP_NF_MATCH_TTL=m
-CONFIG_IP_NF_MATCH_TCPMSS=m
-CONFIG_IP_NF_MATCH_HELPER=m
-CONFIG_IP_NF_MATCH_STATE=m
-CONFIG_IP_NF_MATCH_CONNTRACK=m
-CONFIG_IP_NF_MATCH_OWNER=m
-CONFIG_IP_NF_FILTER=m
-CONFIG_IP_NF_TARGET_REJECT=m
-CONFIG_IP_NF_NAT=m
-CONFIG_IP_NF_NAT_NEEDED=y
-CONFIG_IP_NF_TARGET_MASQUERADE=m
-CONFIG_IP_NF_TARGET_REDIRECT=m
-CONFIG_IP_NF_TARGET_NETMAP=m
-CONFIG_IP_NF_TARGET_SAME=m
-CONFIG_IP_NF_NAT_SNMP_BASIC=m
-CONFIG_IP_NF_NAT_IRC=m
-CONFIG_IP_NF_NAT_FTP=m
-CONFIG_IP_NF_NAT_TFTP=m
-CONFIG_IP_NF_NAT_AMANDA=m
-# CONFIG_IP_NF_MANGLE is not set
-# CONFIG_IP_NF_TARGET_LOG is not set
-CONFIG_IP_NF_TARGET_ULOG=m
-CONFIG_IP_NF_TARGET_TCPMSS=m
-CONFIG_IP_NF_ARPTABLES=m
-CONFIG_IP_NF_ARPFILTER=m
-CONFIG_IP_NF_ARP_MANGLE=m
-CONFIG_IP_NF_COMPAT_IPCHAINS=m
-# CONFIG_IP_NF_COMPAT_IPFWADM is not set
-CONFIG_IP_NF_TARGET_NOTRACK=m
-CONFIG_IP_NF_RAW=m
-
-#
-# SCTP Configuration (EXPERIMENTAL)
-#
-# CONFIG_IP_SCTP is not set
-# CONFIG_ATM is not set
-# CONFIG_BRIDGE is not set
-# CONFIG_VLAN_8021Q is not set
-# CONFIG_DECNET is not set
-# CONFIG_LLC2 is not set
-# CONFIG_IPX is not set
-# CONFIG_ATALK is not set
-# CONFIG_X25 is not set
-# CONFIG_LAPB is not set
-# CONFIG_NET_DIVERT is not set
-# CONFIG_ECONET is not set
-# CONFIG_WAN_ROUTER is not set
-# CONFIG_NET_HW_FLOWCONTROL is not set
-
-#
-# QoS and/or fair queueing
-#
-# CONFIG_NET_SCHED is not set
-
-#
-# Network testing
-#
-# CONFIG_NET_PKTGEN is not set
-# CONFIG_NETPOLL is not set
-# CONFIG_NET_POLL_CONTROLLER is not set
-# CONFIG_HAMRADIO is not set
-# CONFIG_IRDA is not set
-# CONFIG_BT is not set
-CONFIG_NETDEVICES=y
-# CONFIG_DUMMY is not set
-# CONFIG_BONDING is not set
-# CONFIG_EQUALIZER is not set
-# CONFIG_TUN is not set
-
-#
-# ARCnet devices
-#
-# CONFIG_ARCNET is not set
-
-#
-# Ethernet (10 or 100Mbit)
-#
-CONFIG_NET_ETHERNET=y
-CONFIG_MII=y
-# CONFIG_MACE is not set
-# CONFIG_BMAC is not set
-# CONFIG_OAKNET is not set
-# CONFIG_HAPPYMEAL is not set
-# CONFIG_SUNGEM is not set
-# CONFIG_NET_VENDOR_3COM is not set
-# CONFIG_LANCE is not set
-# CONFIG_NET_VENDOR_SMC is not set
-# CONFIG_NET_VENDOR_RACAL is not set
-
-#
-# Tulip family network device support
-#
-# CONFIG_NET_TULIP is not set
-# CONFIG_AT1700 is not set
-# CONFIG_DEPCA is not set
-# CONFIG_HP100 is not set
-# CONFIG_NET_ISA is not set
-CONFIG_NET_PCI=y
-CONFIG_PCNET32=y
-# CONFIG_AMD8111_ETH is not set
-# CONFIG_ADAPTEC_STARFIRE is not set
-# CONFIG_AC3200 is not set
-# CONFIG_APRICOT is not set
-# CONFIG_B44 is not set
-# CONFIG_FORCEDETH is not set
-# CONFIG_CS89x0 is not set
-# CONFIG_DGRS is not set
-# CONFIG_EEPRO100 is not set
-# CONFIG_E100 is not set
-# CONFIG_FEALNX is not set
-# CONFIG_NATSEMI is not set
-# CONFIG_NE2K_PCI is not set
-# CONFIG_8139CP is not set
-# CONFIG_8139TOO is not set
-# CONFIG_SIS900 is not set
-# CONFIG_EPIC100 is not set
-# CONFIG_SUNDANCE is not set
-# CONFIG_TLAN is not set
-# CONFIG_VIA_RHINE is not set
-# CONFIG_NET_POCKET is not set
-
-#
-# Ethernet (1000 Mbit)
-#
-# CONFIG_ACENIC is not set
-# CONFIG_DL2K is not set
-# CONFIG_E1000 is not set
-# CONFIG_NS83820 is not set
-# CONFIG_HAMACHI is not set
-# CONFIG_YELLOWFIN is not set
-# CONFIG_R8169 is not set
-# CONFIG_SK98LIN is not set
-# CONFIG_TIGON3 is not set
-
-#
-# Ethernet (10000 Mbit)
-#
-# CONFIG_IXGB is not set
-# CONFIG_S2IO is not set
-
-#
-# Token Ring devices
-#
-# CONFIG_TR is not set
-
-#
-# Wireless LAN (non-hamradio)
-#
-# CONFIG_NET_RADIO is not set
-
-#
-# Wan interfaces
-#
-# CONFIG_WAN is not set
-# CONFIG_FDDI is not set
-# CONFIG_HIPPI is not set
-# CONFIG_PPP is not set
-# CONFIG_SLIP is not set
-# CONFIG_NET_FC is not set
-# CONFIG_RCPCI is not set
-# CONFIG_SHAPER is not set
-# CONFIG_NETCONSOLE is not set
-
-#
-# ISDN subsystem
-#
-# CONFIG_ISDN is not set
-
-#
-# Telephony Support
-#
-# CONFIG_PHONE is not set
-
-#
-# Input device support
-#
-CONFIG_INPUT=y
-
-#
-# Userland interfaces
-#
-CONFIG_INPUT_MOUSEDEV=y
-CONFIG_INPUT_MOUSEDEV_PSAUX=y
-CONFIG_INPUT_MOUSEDEV_SCREEN_X=1024
-CONFIG_INPUT_MOUSEDEV_SCREEN_Y=768
-# CONFIG_INPUT_JOYDEV is not set
-# CONFIG_INPUT_TSDEV is not set
-CONFIG_INPUT_EVDEV=y
-# CONFIG_INPUT_EVBUG is not set
-
-#
-# Input I/O drivers
-#
-# CONFIG_GAMEPORT is not set
-CONFIG_SOUND_GAMEPORT=y
-CONFIG_SERIO=y
-CONFIG_SERIO_I8042=y
-CONFIG_SERIO_SERPORT=y
-# CONFIG_SERIO_CT82C710 is not set
-# CONFIG_SERIO_PCIPS2 is not set
-
-#
-# Input Device Drivers
-#
-CONFIG_INPUT_KEYBOARD=y
-CONFIG_KEYBOARD_ATKBD=y
-# CONFIG_KEYBOARD_SUNKBD is not set
-# CONFIG_KEYBOARD_LKKBD is not set
-# CONFIG_KEYBOARD_XTKBD is not set
-# CONFIG_KEYBOARD_NEWTON is not set
-CONFIG_INPUT_MOUSE=y
-CONFIG_MOUSE_PS2=y
-# CONFIG_MOUSE_SERIAL is not set
-# CONFIG_MOUSE_INPORT is not set
-# CONFIG_MOUSE_LOGIBM is not set
-# CONFIG_MOUSE_PC110PAD is not set
-# CONFIG_MOUSE_VSXXXAA is not set
-# CONFIG_INPUT_JOYSTICK is not set
-# CONFIG_INPUT_TOUCHSCREEN is not set
-CONFIG_INPUT_MISC=y
-CONFIG_INPUT_UINPUT=y
-
-#
-# Character devices
-#
-CONFIG_VT=y
-CONFIG_VT_CONSOLE=y
-CONFIG_HW_CONSOLE=y
-# CONFIG_SERIAL_NONSTANDARD is not set
-
-#
-# Serial drivers
-#
-CONFIG_SERIAL_8250=y
-# CONFIG_SERIAL_8250_CONSOLE is not set
-CONFIG_SERIAL_8250_NR_UARTS=4
-# CONFIG_SERIAL_8250_EXTENDED is not set
-
-#
-# Non-8250 serial port support
-#
-CONFIG_SERIAL_CORE=y
-# CONFIG_SERIAL_PMACZILOG is not set
-CONFIG_UNIX98_PTYS=y
-CONFIG_LEGACY_PTYS=y
-CONFIG_LEGACY_PTY_COUNT=256
-# CONFIG_QIC02_TAPE is not set
-
-#
-# IPMI
-#
-# CONFIG_IPMI_HANDLER is not set
-
-#
-# Watchdog Cards
-#
-# CONFIG_WATCHDOG is not set
-CONFIG_NVRAM=y
-CONFIG_GEN_RTC=y
-# CONFIG_GEN_RTC_X is not set
-# CONFIG_DTLK is not set
-# CONFIG_R3964 is not set
-# CONFIG_APPLICOM is not set
-
-#
-# Ftape, the floppy tape device driver
-#
-# CONFIG_FTAPE is not set
-# CONFIG_AGP is not set
-# CONFIG_DRM is not set
-# CONFIG_RAW_DRIVER is not set
-
-#
-# I2C support
-#
-# CONFIG_I2C is not set
-
-#
-# Misc devices
-#
-
-#
-# Multimedia devices
-#
-# CONFIG_VIDEO_DEV is not set
-
-#
-# Digital Video Broadcasting Devices
-#
-# CONFIG_DVB is not set
-
-#
-# Graphics support
-#
-CONFIG_FB=y
-# CONFIG_FB_PM2 is not set
-# CONFIG_FB_CYBER2000 is not set
-CONFIG_FB_OF=y
-# CONFIG_FB_CONTROL is not set
-# CONFIG_FB_PLATINUM is not set
-# CONFIG_FB_VALKYRIE is not set
-# CONFIG_FB_CT65550 is not set
-# CONFIG_FB_IMSTT is not set
-# CONFIG_FB_S3TRIO is not set
-# CONFIG_FB_VGA16 is not set
-# CONFIG_FB_RIVA is not set
-CONFIG_FB_MATROX=y
-CONFIG_FB_MATROX_MILLENIUM=y
-CONFIG_FB_MATROX_MYSTIQUE=y
-# CONFIG_FB_MATROX_G450 is not set
-CONFIG_FB_MATROX_G100A=y
-CONFIG_FB_MATROX_G100=y
-# CONFIG_FB_MATROX_MULTIHEAD is not set
-# CONFIG_FB_RADEON_OLD is not set
-# CONFIG_FB_RADEON is not set
-# CONFIG_FB_ATY128 is not set
-# CONFIG_FB_ATY is not set
-# CONFIG_FB_SIS is not set
-# CONFIG_FB_NEOMAGIC is not set
-# CONFIG_FB_KYRO is not set
-CONFIG_FB_3DFX=y
-# CONFIG_FB_VOODOO1 is not set
-# CONFIG_FB_TRIDENT is not set
-# CONFIG_FB_VIRTUAL is not set
-
-#
-# Console display driver support
-#
-CONFIG_VGA_CONSOLE=y
-# CONFIG_MDA_CONSOLE is not set
-CONFIG_DUMMY_CONSOLE=y
-CONFIG_FRAMEBUFFER_CONSOLE=y
-CONFIG_PCI_CONSOLE=y
-# CONFIG_FONTS is not set
-CONFIG_FONT_8x8=y
-CONFIG_FONT_8x16=y
-
-#
-# Logo configuration
-#
-CONFIG_LOGO=y
-CONFIG_LOGO_LINUX_MONO=y
-CONFIG_LOGO_LINUX_VGA16=y
-CONFIG_LOGO_LINUX_CLUT224=y
-
-#
-# Sound
-#
-# CONFIG_SOUND is not set
-
-#
-# USB support
-#
-# CONFIG_USB is not set
-
-#
-# USB Gadget Support
-#
-# CONFIG_USB_GADGET is not set
-
-#
-# File systems
-#
-CONFIG_EXT2_FS=y
-# CONFIG_EXT2_FS_XATTR is not set
-# CONFIG_EXT3_FS is not set
-# CONFIG_JBD is not set
-# CONFIG_REISERFS_FS is not set
-# CONFIG_JFS_FS is not set
-# CONFIG_XFS_FS is not set
-# CONFIG_MINIX_FS is not set
-# CONFIG_ROMFS_FS is not set
-# CONFIG_QUOTA is not set
-# CONFIG_AUTOFS_FS is not set
-# CONFIG_AUTOFS4_FS is not set
-
-#
-# CD-ROM/DVD Filesystems
-#
-CONFIG_ISO9660_FS=y
-# CONFIG_JOLIET is not set
-# CONFIG_ZISOFS is not set
-# CONFIG_UDF_FS is not set
-
-#
-# DOS/FAT/NT Filesystems
-#
-CONFIG_FAT_FS=m
-CONFIG_MSDOS_FS=m
-CONFIG_VFAT_FS=m
-# CONFIG_NTFS_FS is not set
-
-#
-# Pseudo filesystems
-#
-CONFIG_PROC_FS=y
-CONFIG_PROC_KCORE=y
-CONFIG_SYSFS=y
-CONFIG_DEVFS_FS=y
-# CONFIG_DEVFS_MOUNT is not set
-# CONFIG_DEVFS_DEBUG is not set
-# CONFIG_DEVPTS_FS_XATTR is not set
-CONFIG_TMPFS=y
-# CONFIG_HUGETLB_PAGE is not set
-CONFIG_RAMFS=y
-
-#
-# Miscellaneous filesystems
-#
-# CONFIG_ADFS_FS is not set
-# CONFIG_AFFS_FS is not set
-# CONFIG_HFS_FS is not set
-# CONFIG_HFSPLUS_FS is not set
-# CONFIG_BEFS_FS is not set
-# CONFIG_BFS_FS is not set
-# CONFIG_EFS_FS is not set
-# CONFIG_CRAMFS is not set
-# CONFIG_VXFS_FS is not set
-# CONFIG_HPFS_FS is not set
-# CONFIG_QNX4FS_FS is not set
-# CONFIG_SYSV_FS is not set
-# CONFIG_UFS_FS is not set
-
-#
-# Network File Systems
-#
-# CONFIG_NFS_FS is not set
-# CONFIG_NFSD is not set
-# CONFIG_EXPORTFS is not set
-# CONFIG_SMB_FS is not set
-# CONFIG_CIFS is not set
-# CONFIG_NCP_FS is not set
-# CONFIG_CODA_FS is not set
-# CONFIG_AFS_FS is not set
-
-#
-# Partition Types
-#
-CONFIG_PARTITION_ADVANCED=y
-# CONFIG_ACORN_PARTITION is not set
-# CONFIG_OSF_PARTITION is not set
-# CONFIG_AMIGA_PARTITION is not set
-# CONFIG_ATARI_PARTITION is not set
-CONFIG_MAC_PARTITION=y
-CONFIG_MSDOS_PARTITION=y
-# CONFIG_BSD_DISKLABEL is not set
-# CONFIG_MINIX_SUBPARTITION is not set
-# CONFIG_SOLARIS_X86_PARTITION is not set
-# CONFIG_UNIXWARE_DISKLABEL is not set
-# CONFIG_LDM_PARTITION is not set
-# CONFIG_NEC98_PARTITION is not set
-# CONFIG_SGI_PARTITION is not set
-# CONFIG_ULTRIX_PARTITION is not set
-# CONFIG_SUN_PARTITION is not set
-# CONFIG_EFI_PARTITION is not set
-
-#
-# Native Language Support
-#
-CONFIG_NLS=y
-CONFIG_NLS_DEFAULT="iso8859-1"
-# CONFIG_NLS_CODEPAGE_437 is not set
-# CONFIG_NLS_CODEPAGE_737 is not set
-# CONFIG_NLS_CODEPAGE_775 is not set
-# CONFIG_NLS_CODEPAGE_850 is not set
-# CONFIG_NLS_CODEPAGE_852 is not set
-# CONFIG_NLS_CODEPAGE_855 is not set
-# CONFIG_NLS_CODEPAGE_857 is not set
-# CONFIG_NLS_CODEPAGE_860 is not set
-# CONFIG_NLS_CODEPAGE_861 is not set
-# CONFIG_NLS_CODEPAGE_862 is not set
-# CONFIG_NLS_CODEPAGE_863 is not set
-# CONFIG_NLS_CODEPAGE_864 is not set
-# CONFIG_NLS_CODEPAGE_865 is not set
-# CONFIG_NLS_CODEPAGE_866 is not set
-# CONFIG_NLS_CODEPAGE_869 is not set
-# CONFIG_NLS_CODEPAGE_936 is not set
-# CONFIG_NLS_CODEPAGE_950 is not set
-# CONFIG_NLS_CODEPAGE_932 is not set
-# CONFIG_NLS_CODEPAGE_949 is not set
-# CONFIG_NLS_CODEPAGE_874 is not set
-# CONFIG_NLS_ISO8859_8 is not set
-# CONFIG_NLS_CODEPAGE_1250 is not set
-# CONFIG_NLS_CODEPAGE_1251 is not set
-CONFIG_NLS_ISO8859_1=m
-# CONFIG_NLS_ISO8859_2 is not set
-# CONFIG_NLS_ISO8859_3 is not set
-# CONFIG_NLS_ISO8859_4 is not set
-# CONFIG_NLS_ISO8859_5 is not set
-# CONFIG_NLS_ISO8859_6 is not set
-# CONFIG_NLS_ISO8859_7 is not set
-# CONFIG_NLS_ISO8859_9 is not set
-# CONFIG_NLS_ISO8859_13 is not set
-# CONFIG_NLS_ISO8859_14 is not set
-# CONFIG_NLS_ISO8859_15 is not set
-# CONFIG_NLS_KOI8_R is not set
-# CONFIG_NLS_KOI8_U is not set
-# CONFIG_NLS_UTF8 is not set
-
-#
-# Library routines
-#
-CONFIG_CRC32=y
-# CONFIG_LIBCRC32C is not set
-
-#
-# Kernel hacking
-#
-# CONFIG_DEBUG_KERNEL is not set
-# CONFIG_BOOTX_TEXT is not set
-
-#
-# Security options
-#
-# CONFIG_SECURITY is not set
-
-#
-# Cryptographic options
-#
-# CONFIG_CRYPTO is not set
diff --git a/arch/ppc/configs/pmac_defconfig b/arch/ppc/configs/pmac_defconfig
deleted file mode 100644
index a2db8b541c9b..000000000000
--- a/arch/ppc/configs/pmac_defconfig
+++ /dev/null
@@ -1,1591 +0,0 @@
-#
-# Automatically generated make config: don't edit
-# Linux kernel version: 2.6.13-rc3
-# Wed Jul 13 14:13:13 2005
-#
-CONFIG_MMU=y
-CONFIG_GENERIC_HARDIRQS=y
-CONFIG_RWSEM_XCHGADD_ALGORITHM=y
-CONFIG_GENERIC_CALIBRATE_DELAY=y
-CONFIG_HAVE_DEC_LOCK=y
-CONFIG_PPC=y
-CONFIG_PPC32=y
-CONFIG_GENERIC_NVRAM=y
-CONFIG_SCHED_NO_NO_OMIT_FRAME_POINTER=y
-
-#
-# Code maturity level options
-#
-CONFIG_EXPERIMENTAL=y
-CONFIG_CLEAN_COMPILE=y
-CONFIG_BROKEN_ON_SMP=y
-CONFIG_INIT_ENV_ARG_LIMIT=32
-
-#
-# General setup
-#
-CONFIG_LOCALVERSION=""
-CONFIG_SWAP=y
-CONFIG_SYSVIPC=y
-CONFIG_POSIX_MQUEUE=y
-# CONFIG_BSD_PROCESS_ACCT is not set
-CONFIG_SYSCTL=y
-# CONFIG_AUDIT is not set
-CONFIG_HOTPLUG=y
-CONFIG_KOBJECT_UEVENT=y
-CONFIG_IKCONFIG=y
-CONFIG_IKCONFIG_PROC=y
-# CONFIG_EMBEDDED is not set
-CONFIG_KALLSYMS=y
-# CONFIG_KALLSYMS_ALL is not set
-# CONFIG_KALLSYMS_EXTRA_PASS is not set
-CONFIG_PRINTK=y
-CONFIG_BUG=y
-CONFIG_BASE_FULL=y
-CONFIG_FUTEX=y
-CONFIG_EPOLL=y
-CONFIG_SHMEM=y
-CONFIG_CC_ALIGN_FUNCTIONS=0
-CONFIG_CC_ALIGN_LABELS=0
-CONFIG_CC_ALIGN_LOOPS=0
-CONFIG_CC_ALIGN_JUMPS=0
-# CONFIG_TINY_SHMEM is not set
-CONFIG_BASE_SMALL=0
-
-#
-# Loadable module support
-#
-CONFIG_MODULES=y
-CONFIG_MODULE_UNLOAD=y
-# CONFIG_MODULE_FORCE_UNLOAD is not set
-CONFIG_OBSOLETE_MODPARM=y
-CONFIG_MODVERSIONS=y
-CONFIG_MODULE_SRCVERSION_ALL=y
-CONFIG_KMOD=y
-
-#
-# Processor
-#
-CONFIG_6xx=y
-# CONFIG_40x is not set
-# CONFIG_44x is not set
-# CONFIG_POWER3 is not set
-# CONFIG_POWER4 is not set
-# CONFIG_8xx is not set
-# CONFIG_E200 is not set
-# CONFIG_E500 is not set
-CONFIG_PPC_FPU=y
-CONFIG_ALTIVEC=y
-CONFIG_TAU=y
-# CONFIG_TAU_INT is not set
-# CONFIG_TAU_AVERAGE is not set
-# CONFIG_KEXEC is not set
-CONFIG_CPU_FREQ=y
-CONFIG_CPU_FREQ_TABLE=y
-# CONFIG_CPU_FREQ_DEBUG is not set
-CONFIG_CPU_FREQ_STAT=m
-CONFIG_CPU_FREQ_STAT_DETAILS=y
-CONFIG_CPU_FREQ_DEFAULT_GOV_PERFORMANCE=y
-# CONFIG_CPU_FREQ_DEFAULT_GOV_USERSPACE is not set
-CONFIG_CPU_FREQ_GOV_PERFORMANCE=y
-CONFIG_CPU_FREQ_GOV_POWERSAVE=m
-CONFIG_CPU_FREQ_GOV_USERSPACE=m
-CONFIG_CPU_FREQ_GOV_ONDEMAND=m
-CONFIG_CPU_FREQ_GOV_CONSERVATIVE=m
-CONFIG_CPU_FREQ_PMAC=y
-CONFIG_PPC601_SYNC_FIX=y
-CONFIG_PM=y
-CONFIG_PPC_STD_MMU=y
-
-#
-# Platform options
-#
-CONFIG_PPC_MULTIPLATFORM=y
-# CONFIG_APUS is not set
-# CONFIG_KATANA is not set
-# CONFIG_WILLOW is not set
-# CONFIG_CPCI690 is not set
-# CONFIG_PCORE is not set
-# CONFIG_POWERPMC250 is not set
-# CONFIG_CHESTNUT is not set
-# CONFIG_SPRUCE is not set
-# CONFIG_HDPU is not set
-# CONFIG_EV64260 is not set
-# CONFIG_LOPEC is not set
-# CONFIG_MCPN765 is not set
-# CONFIG_MVME5100 is not set
-# CONFIG_PPLUS is not set
-# CONFIG_PRPMC750 is not set
-# CONFIG_PRPMC800 is not set
-# CONFIG_SANDPOINT is not set
-# CONFIG_RADSTONE_PPC7D is not set
-# CONFIG_ADIR is not set
-# CONFIG_K2 is not set
-# CONFIG_PAL4 is not set
-# CONFIG_GEMINI is not set
-# CONFIG_EST8260 is not set
-# CONFIG_SBC82xx is not set
-# CONFIG_SBS8260 is not set
-# CONFIG_RPX8260 is not set
-# CONFIG_TQM8260 is not set
-# CONFIG_ADS8272 is not set
-# CONFIG_PQ2FADS is not set
-# CONFIG_LITE5200 is not set
-# CONFIG_MPC834x_SYS is not set
-CONFIG_PPC_CHRP=y
-CONFIG_PPC_PMAC=y
-CONFIG_PPC_PREP=y
-CONFIG_PPC_OF=y
-CONFIG_PPCBUG_NVRAM=y
-# CONFIG_SMP is not set
-# CONFIG_HIGHMEM is not set
-# CONFIG_HZ_100 is not set
-CONFIG_HZ_250=y
-# CONFIG_HZ_1000 is not set
-CONFIG_HZ=250
-CONFIG_PREEMPT_NONE=y
-# CONFIG_PREEMPT_VOLUNTARY is not set
-# CONFIG_PREEMPT is not set
-CONFIG_SELECT_MEMORY_MODEL=y
-CONFIG_FLATMEM_MANUAL=y
-# CONFIG_DISCONTIGMEM_MANUAL is not set
-# CONFIG_SPARSEMEM_MANUAL is not set
-CONFIG_FLATMEM=y
-CONFIG_FLAT_NODE_MEM_MAP=y
-CONFIG_BINFMT_ELF=y
-CONFIG_BINFMT_MISC=m
-CONFIG_PROC_DEVICETREE=y
-# CONFIG_PREP_RESIDUAL is not set
-# CONFIG_CMDLINE_BOOL is not set
-# CONFIG_PM_DEBUG is not set
-CONFIG_SOFTWARE_SUSPEND=y
-CONFIG_PM_STD_PARTITION=""
-# CONFIG_SECCOMP is not set
-CONFIG_ISA_DMA_API=y
-
-#
-# Bus options
-#
-# CONFIG_ISA is not set
-CONFIG_GENERIC_ISA_DMA=y
-CONFIG_PCI=y
-CONFIG_PCI_DOMAINS=y
-CONFIG_PCI_LEGACY_PROC=y
-CONFIG_PCI_NAMES=y
-# CONFIG_PCI_DEBUG is not set
-
-#
-# PCCARD (PCMCIA/CardBus) support
-#
-CONFIG_PCCARD=m
-# CONFIG_PCMCIA_DEBUG is not set
-CONFIG_PCMCIA=m
-# CONFIG_PCMCIA_LOAD_CIS is not set
-# CONFIG_PCMCIA_IOCTL is not set
-CONFIG_CARDBUS=y
-
-#
-# PC-card bridges
-#
-CONFIG_YENTA=m
-# CONFIG_PD6729 is not set
-# CONFIG_I82092 is not set
-# CONFIG_TCIC is not set
-CONFIG_PCCARD_NONSTATIC=m
-
-#
-# Advanced setup
-#
-CONFIG_ADVANCED_OPTIONS=y
-CONFIG_HIGHMEM_START=0xfe000000
-# CONFIG_LOWMEM_SIZE_BOOL is not set
-CONFIG_LOWMEM_SIZE=0x30000000
-# CONFIG_KERNEL_START_BOOL is not set
-CONFIG_KERNEL_START=0xc0000000
-CONFIG_TASK_SIZE_BOOL=y
-CONFIG_TASK_SIZE=0xc0000000
-CONFIG_BOOT_LOAD=0x00800000
-
-#
-# Networking
-#
-CONFIG_NET=y
-
-#
-# Networking options
-#
-CONFIG_PACKET=y
-# CONFIG_PACKET_MMAP is not set
-CONFIG_UNIX=y
-# CONFIG_NET_KEY is not set
-CONFIG_INET=y
-CONFIG_IP_MULTICAST=y
-# CONFIG_IP_ADVANCED_ROUTER is not set
-CONFIG_IP_FIB_HASH=y
-# CONFIG_IP_PNP is not set
-# CONFIG_NET_IPIP is not set
-# CONFIG_NET_IPGRE is not set
-# CONFIG_IP_MROUTE is not set
-# CONFIG_ARPD is not set
-CONFIG_SYN_COOKIES=y
-# CONFIG_INET_AH is not set
-# CONFIG_INET_ESP is not set
-# CONFIG_INET_IPCOMP is not set
-# CONFIG_INET_TUNNEL is not set
-CONFIG_IP_TCPDIAG=y
-# CONFIG_IP_TCPDIAG_IPV6 is not set
-# CONFIG_TCP_CONG_ADVANCED is not set
-CONFIG_TCP_CONG_BIC=y
-
-#
-# IP: Virtual Server Configuration
-#
-# CONFIG_IP_VS is not set
-# CONFIG_IPV6 is not set
-CONFIG_NETFILTER=y
-# CONFIG_NETFILTER_DEBUG is not set
-
-#
-# IP: Netfilter Configuration
-#
-CONFIG_IP_NF_CONNTRACK=m
-CONFIG_IP_NF_CT_ACCT=y
-CONFIG_IP_NF_CONNTRACK_MARK=y
-CONFIG_IP_NF_CT_PROTO_SCTP=m
-CONFIG_IP_NF_FTP=m
-CONFIG_IP_NF_IRC=m
-CONFIG_IP_NF_TFTP=m
-CONFIG_IP_NF_AMANDA=m
-CONFIG_IP_NF_QUEUE=m
-CONFIG_IP_NF_IPTABLES=m
-CONFIG_IP_NF_MATCH_LIMIT=m
-CONFIG_IP_NF_MATCH_IPRANGE=m
-CONFIG_IP_NF_MATCH_MAC=m
-CONFIG_IP_NF_MATCH_PKTTYPE=m
-CONFIG_IP_NF_MATCH_MARK=m
-CONFIG_IP_NF_MATCH_MULTIPORT=m
-CONFIG_IP_NF_MATCH_TOS=m
-CONFIG_IP_NF_MATCH_RECENT=m
-CONFIG_IP_NF_MATCH_ECN=m
-CONFIG_IP_NF_MATCH_DSCP=m
-CONFIG_IP_NF_MATCH_AH_ESP=m
-CONFIG_IP_NF_MATCH_LENGTH=m
-CONFIG_IP_NF_MATCH_TTL=m
-CONFIG_IP_NF_MATCH_TCPMSS=m
-CONFIG_IP_NF_MATCH_HELPER=m
-CONFIG_IP_NF_MATCH_STATE=m
-CONFIG_IP_NF_MATCH_CONNTRACK=m
-CONFIG_IP_NF_MATCH_OWNER=m
-CONFIG_IP_NF_MATCH_ADDRTYPE=m
-CONFIG_IP_NF_MATCH_REALM=m
-CONFIG_IP_NF_MATCH_SCTP=m
-CONFIG_IP_NF_MATCH_COMMENT=m
-CONFIG_IP_NF_MATCH_CONNMARK=m
-CONFIG_IP_NF_MATCH_HASHLIMIT=m
-CONFIG_IP_NF_FILTER=m
-CONFIG_IP_NF_TARGET_REJECT=m
-CONFIG_IP_NF_TARGET_LOG=m
-CONFIG_IP_NF_TARGET_ULOG=m
-CONFIG_IP_NF_TARGET_TCPMSS=m
-CONFIG_IP_NF_NAT=m
-CONFIG_IP_NF_NAT_NEEDED=y
-CONFIG_IP_NF_TARGET_MASQUERADE=m
-CONFIG_IP_NF_TARGET_REDIRECT=m
-CONFIG_IP_NF_TARGET_NETMAP=m
-CONFIG_IP_NF_TARGET_SAME=m
-CONFIG_IP_NF_NAT_SNMP_BASIC=m
-CONFIG_IP_NF_NAT_IRC=m
-CONFIG_IP_NF_NAT_FTP=m
-CONFIG_IP_NF_NAT_TFTP=m
-CONFIG_IP_NF_NAT_AMANDA=m
-CONFIG_IP_NF_MANGLE=m
-CONFIG_IP_NF_TARGET_TOS=m
-CONFIG_IP_NF_TARGET_ECN=m
-CONFIG_IP_NF_TARGET_DSCP=m
-CONFIG_IP_NF_TARGET_MARK=m
-CONFIG_IP_NF_TARGET_CLASSIFY=m
-CONFIG_IP_NF_TARGET_CONNMARK=m
-CONFIG_IP_NF_TARGET_CLUSTERIP=m
-CONFIG_IP_NF_RAW=m
-CONFIG_IP_NF_TARGET_NOTRACK=m
-CONFIG_IP_NF_ARPTABLES=m
-CONFIG_IP_NF_ARPFILTER=m
-CONFIG_IP_NF_ARP_MANGLE=m
-
-#
-# SCTP Configuration (EXPERIMENTAL)
-#
-# CONFIG_IP_SCTP is not set
-# CONFIG_ATM is not set
-# CONFIG_BRIDGE is not set
-# CONFIG_VLAN_8021Q is not set
-# CONFIG_DECNET is not set
-# CONFIG_LLC2 is not set
-# CONFIG_IPX is not set
-# CONFIG_ATALK is not set
-# CONFIG_X25 is not set
-# CONFIG_LAPB is not set
-# CONFIG_NET_DIVERT is not set
-# CONFIG_ECONET is not set
-# CONFIG_WAN_ROUTER is not set
-# CONFIG_NET_SCHED is not set
-CONFIG_NET_CLS_ROUTE=y
-
-#
-# Network testing
-#
-# CONFIG_NET_PKTGEN is not set
-CONFIG_NETPOLL=y
-# CONFIG_NETPOLL_RX is not set
-# CONFIG_NETPOLL_TRAP is not set
-CONFIG_NET_POLL_CONTROLLER=y
-# CONFIG_HAMRADIO is not set
-CONFIG_IRDA=m
-
-#
-# IrDA protocols
-#
-CONFIG_IRLAN=m
-CONFIG_IRNET=m
-CONFIG_IRCOMM=m
-# CONFIG_IRDA_ULTRA is not set
-
-#
-# IrDA options
-#
-CONFIG_IRDA_CACHE_LAST_LSAP=y
-CONFIG_IRDA_FAST_RR=y
-# CONFIG_IRDA_DEBUG is not set
-
-#
-# Infrared-port device drivers
-#
-
-#
-# SIR device drivers
-#
-CONFIG_IRTTY_SIR=m
-
-#
-# Dongle support
-#
-# CONFIG_DONGLE is not set
-
-#
-# Old SIR device drivers
-#
-# CONFIG_IRPORT_SIR is not set
-
-#
-# Old Serial dongle support
-#
-
-#
-# FIR device drivers
-#
-# CONFIG_USB_IRDA is not set
-# CONFIG_SIGMATEL_FIR is not set
-# CONFIG_NSC_FIR is not set
-# CONFIG_WINBOND_FIR is not set
-# CONFIG_TOSHIBA_FIR is not set
-# CONFIG_SMC_IRCC_FIR is not set
-# CONFIG_ALI_FIR is not set
-# CONFIG_VLSI_FIR is not set
-# CONFIG_VIA_FIR is not set
-# CONFIG_BT is not set
-
-#
-# Device Drivers
-#
-
-#
-# Generic Driver Options
-#
-# CONFIG_STANDALONE is not set
-CONFIG_PREVENT_FIRMWARE_BUILD=y
-CONFIG_FW_LOADER=m
-# CONFIG_DEBUG_DRIVER is not set
-
-#
-# Memory Technology Devices (MTD)
-#
-# CONFIG_MTD is not set
-
-#
-# Parallel port support
-#
-# CONFIG_PARPORT is not set
-
-#
-# Plug and Play support
-#
-
-#
-# Block devices
-#
-# CONFIG_BLK_DEV_FD is not set
-CONFIG_MAC_FLOPPY=m
-# CONFIG_BLK_CPQ_DA is not set
-# CONFIG_BLK_CPQ_CISS_DA is not set
-# CONFIG_BLK_DEV_DAC960 is not set
-# CONFIG_BLK_DEV_UMEM is not set
-# CONFIG_BLK_DEV_COW_COMMON is not set
-CONFIG_BLK_DEV_LOOP=y
-# CONFIG_BLK_DEV_CRYPTOLOOP is not set
-# CONFIG_BLK_DEV_NBD is not set
-# CONFIG_BLK_DEV_SX8 is not set
-# CONFIG_BLK_DEV_UB is not set
-CONFIG_BLK_DEV_RAM=y
-CONFIG_BLK_DEV_RAM_COUNT=16
-CONFIG_BLK_DEV_RAM_SIZE=4096
-CONFIG_BLK_DEV_INITRD=y
-CONFIG_INITRAMFS_SOURCE=""
-CONFIG_LBD=y
-CONFIG_CDROM_PKTCDVD=m
-CONFIG_CDROM_PKTCDVD_BUFFERS=8
-# CONFIG_CDROM_PKTCDVD_WCACHE is not set
-
-#
-# IO Schedulers
-#
-CONFIG_IOSCHED_NOOP=y
-CONFIG_IOSCHED_AS=y
-CONFIG_IOSCHED_DEADLINE=y
-CONFIG_IOSCHED_CFQ=y
-# CONFIG_ATA_OVER_ETH is not set
-
-#
-# ATA/ATAPI/MFM/RLL support
-#
-CONFIG_IDE=y
-CONFIG_BLK_DEV_IDE=y
-
-#
-# Please see Documentation/ide.txt for help/info on IDE drives
-#
-# CONFIG_BLK_DEV_IDE_SATA is not set
-CONFIG_BLK_DEV_IDEDISK=y
-# CONFIG_IDEDISK_MULTI_MODE is not set
-# CONFIG_BLK_DEV_IDECS is not set
-CONFIG_BLK_DEV_IDECD=y
-# CONFIG_BLK_DEV_IDETAPE is not set
-CONFIG_BLK_DEV_IDEFLOPPY=y
-CONFIG_BLK_DEV_IDESCSI=y
-# CONFIG_IDE_TASK_IOCTL is not set
-
-#
-# IDE chipset support/bugfixes
-#
-# CONFIG_IDE_GENERIC is not set
-CONFIG_BLK_DEV_IDEPCI=y
-CONFIG_IDEPCI_SHARE_IRQ=y
-# CONFIG_BLK_DEV_OFFBOARD is not set
-CONFIG_BLK_DEV_GENERIC=y
-# CONFIG_BLK_DEV_OPTI621 is not set
-# CONFIG_BLK_DEV_SL82C105 is not set
-CONFIG_BLK_DEV_IDEDMA_PCI=y
-# CONFIG_BLK_DEV_IDEDMA_FORCED is not set
-CONFIG_IDEDMA_PCI_AUTO=y
-# CONFIG_IDEDMA_ONLYDISK is not set
-# CONFIG_BLK_DEV_AEC62XX is not set
-# CONFIG_BLK_DEV_ALI15X3 is not set
-# CONFIG_BLK_DEV_AMD74XX is not set
-CONFIG_BLK_DEV_CMD64X=y
-# CONFIG_BLK_DEV_TRIFLEX is not set
-# CONFIG_BLK_DEV_CY82C693 is not set
-# CONFIG_BLK_DEV_CS5520 is not set
-# CONFIG_BLK_DEV_CS5530 is not set
-# CONFIG_BLK_DEV_HPT34X is not set
-# CONFIG_BLK_DEV_HPT366 is not set
-# CONFIG_BLK_DEV_SC1200 is not set
-# CONFIG_BLK_DEV_PIIX is not set
-# CONFIG_BLK_DEV_IT821X is not set
-# CONFIG_BLK_DEV_NS87415 is not set
-# CONFIG_BLK_DEV_PDC202XX_OLD is not set
-CONFIG_BLK_DEV_PDC202XX_NEW=y
-# CONFIG_PDC202XX_FORCE is not set
-# CONFIG_BLK_DEV_SVWKS is not set
-# CONFIG_BLK_DEV_SIIMAGE is not set
-# CONFIG_BLK_DEV_SLC90E66 is not set
-# CONFIG_BLK_DEV_TRM290 is not set
-# CONFIG_BLK_DEV_VIA82CXXX is not set
-CONFIG_BLK_DEV_IDE_PMAC=y
-CONFIG_BLK_DEV_IDE_PMAC_ATA100FIRST=y
-CONFIG_BLK_DEV_IDEDMA_PMAC=y
-CONFIG_BLK_DEV_IDE_PMAC_BLINK=y
-# CONFIG_IDE_ARM is not set
-CONFIG_BLK_DEV_IDEDMA=y
-# CONFIG_IDEDMA_IVB is not set
-CONFIG_IDEDMA_AUTO=y
-# CONFIG_BLK_DEV_HD is not set
-
-#
-# SCSI device support
-#
-CONFIG_SCSI=y
-CONFIG_SCSI_PROC_FS=y
-
-#
-# SCSI support type (disk, tape, CD-ROM)
-#
-CONFIG_BLK_DEV_SD=y
-CONFIG_CHR_DEV_ST=y
-# CONFIG_CHR_DEV_OSST is not set
-CONFIG_BLK_DEV_SR=y
-CONFIG_BLK_DEV_SR_VENDOR=y
-CONFIG_CHR_DEV_SG=y
-# CONFIG_CHR_DEV_SCH is not set
-
-#
-# Some SCSI devices (e.g. CD jukebox) support multiple LUNs
-#
-# CONFIG_SCSI_MULTI_LUN is not set
-CONFIG_SCSI_CONSTANTS=y
-# CONFIG_SCSI_LOGGING is not set
-
-#
-# SCSI Transport Attributes
-#
-CONFIG_SCSI_SPI_ATTRS=y
-# CONFIG_SCSI_FC_ATTRS is not set
-# CONFIG_SCSI_ISCSI_ATTRS is not set
-
-#
-# SCSI low-level drivers
-#
-# CONFIG_BLK_DEV_3W_XXXX_RAID is not set
-# CONFIG_SCSI_3W_9XXX is not set
-# CONFIG_SCSI_ACARD is not set
-# CONFIG_SCSI_AACRAID is not set
-CONFIG_SCSI_AIC7XXX=m
-CONFIG_AIC7XXX_CMDS_PER_DEVICE=253
-CONFIG_AIC7XXX_RESET_DELAY_MS=15000
-CONFIG_AIC7XXX_DEBUG_ENABLE=y
-CONFIG_AIC7XXX_DEBUG_MASK=0
-CONFIG_AIC7XXX_REG_PRETTY_PRINT=y
-CONFIG_SCSI_AIC7XXX_OLD=m
-# CONFIG_SCSI_AIC79XX is not set
-# CONFIG_SCSI_DPT_I2O is not set
-# CONFIG_MEGARAID_NEWGEN is not set
-# CONFIG_MEGARAID_LEGACY is not set
-# CONFIG_SCSI_SATA is not set
-# CONFIG_SCSI_BUSLOGIC is not set
-# CONFIG_SCSI_DMX3191D is not set
-# CONFIG_SCSI_EATA is not set
-# CONFIG_SCSI_FUTURE_DOMAIN is not set
-# CONFIG_SCSI_GDTH is not set
-# CONFIG_SCSI_IPS is not set
-# CONFIG_SCSI_INITIO is not set
-# CONFIG_SCSI_INIA100 is not set
-CONFIG_SCSI_SYM53C8XX_2=y
-CONFIG_SCSI_SYM53C8XX_DMA_ADDRESSING_MODE=0
-CONFIG_SCSI_SYM53C8XX_DEFAULT_TAGS=16
-CONFIG_SCSI_SYM53C8XX_MAX_TAGS=64
-# CONFIG_SCSI_SYM53C8XX_IOMAPPED is not set
-# CONFIG_SCSI_IPR is not set
-# CONFIG_SCSI_QLOGIC_FC is not set
-# CONFIG_SCSI_QLOGIC_1280 is not set
-CONFIG_SCSI_QLA2XXX=y
-# CONFIG_SCSI_QLA21XX is not set
-# CONFIG_SCSI_QLA22XX is not set
-# CONFIG_SCSI_QLA2300 is not set
-# CONFIG_SCSI_QLA2322 is not set
-# CONFIG_SCSI_QLA6312 is not set
-# CONFIG_SCSI_LPFC is not set
-# CONFIG_SCSI_DC395x is not set
-# CONFIG_SCSI_DC390T is not set
-# CONFIG_SCSI_NSP32 is not set
-# CONFIG_SCSI_DEBUG is not set
-CONFIG_SCSI_MESH=y
-CONFIG_SCSI_MESH_SYNC_RATE=5
-CONFIG_SCSI_MESH_RESET_DELAY_MS=1000
-CONFIG_SCSI_MAC53C94=y
-
-#
-# PCMCIA SCSI adapter support
-#
-# CONFIG_PCMCIA_AHA152X is not set
-# CONFIG_PCMCIA_FDOMAIN is not set
-# CONFIG_PCMCIA_NINJA_SCSI is not set
-# CONFIG_PCMCIA_QLOGIC is not set
-# CONFIG_PCMCIA_SYM53C500 is not set
-
-#
-# Multi-device support (RAID and LVM)
-#
-# CONFIG_MD is not set
-
-#
-# Fusion MPT device support
-#
-# CONFIG_FUSION is not set
-# CONFIG_FUSION_SPI is not set
-# CONFIG_FUSION_FC is not set
-
-#
-# IEEE 1394 (FireWire) support
-#
-CONFIG_IEEE1394=m
-
-#
-# Subsystem Options
-#
-# CONFIG_IEEE1394_VERBOSEDEBUG is not set
-# CONFIG_IEEE1394_OUI_DB is not set
-CONFIG_IEEE1394_EXTRA_CONFIG_ROMS=y
-CONFIG_IEEE1394_CONFIG_ROM_IP1394=y
-# CONFIG_IEEE1394_EXPORT_FULL_API is not set
-
-#
-# Device Drivers
-#
-# CONFIG_IEEE1394_PCILYNX is not set
-CONFIG_IEEE1394_OHCI1394=m
-
-#
-# Protocol Drivers
-#
-CONFIG_IEEE1394_VIDEO1394=m
-CONFIG_IEEE1394_SBP2=m
-# CONFIG_IEEE1394_SBP2_PHYS_DMA is not set
-CONFIG_IEEE1394_ETH1394=m
-CONFIG_IEEE1394_DV1394=m
-CONFIG_IEEE1394_RAWIO=m
-CONFIG_IEEE1394_CMP=m
-CONFIG_IEEE1394_AMDTP=m
-
-#
-# I2O device support
-#
-# CONFIG_I2O is not set
-
-#
-# Macintosh device drivers
-#
-CONFIG_ADB=y
-CONFIG_ADB_CUDA=y
-CONFIG_ADB_PMU=y
-CONFIG_PMAC_APM_EMU=y
-CONFIG_PMAC_MEDIABAY=y
-CONFIG_PMAC_BACKLIGHT=y
-CONFIG_ADB_MACIO=y
-CONFIG_INPUT_ADBHID=y
-CONFIG_MAC_EMUMOUSEBTN=y
-CONFIG_THERM_WINDTUNNEL=m
-CONFIG_THERM_ADT746X=m
-# CONFIG_ANSLCD is not set
-
-#
-# Network device support
-#
-CONFIG_NETDEVICES=y
-# CONFIG_DUMMY is not set
-# CONFIG_BONDING is not set
-# CONFIG_EQUALIZER is not set
-CONFIG_TUN=m
-
-#
-# ARCnet devices
-#
-# CONFIG_ARCNET is not set
-
-#
-# Ethernet (10 or 100Mbit)
-#
-CONFIG_NET_ETHERNET=y
-CONFIG_MII=y
-CONFIG_MACE=y
-# CONFIG_MACE_AAUI_PORT is not set
-CONFIG_BMAC=y
-# CONFIG_HAPPYMEAL is not set
-CONFIG_SUNGEM=y
-# CONFIG_NET_VENDOR_3COM is not set
-
-#
-# Tulip family network device support
-#
-# CONFIG_NET_TULIP is not set
-# CONFIG_HP100 is not set
-CONFIG_NET_PCI=y
-CONFIG_PCNET32=y
-# CONFIG_AMD8111_ETH is not set
-# CONFIG_ADAPTEC_STARFIRE is not set
-# CONFIG_B44 is not set
-# CONFIG_FORCEDETH is not set
-# CONFIG_DGRS is not set
-# CONFIG_EEPRO100 is not set
-# CONFIG_E100 is not set
-# CONFIG_FEALNX is not set
-# CONFIG_NATSEMI is not set
-# CONFIG_NE2K_PCI is not set
-# CONFIG_8139CP is not set
-# CONFIG_8139TOO is not set
-# CONFIG_SIS900 is not set
-# CONFIG_EPIC100 is not set
-# CONFIG_SUNDANCE is not set
-# CONFIG_TLAN is not set
-# CONFIG_VIA_RHINE is not set
-
-#
-# Ethernet (1000 Mbit)
-#
-# CONFIG_ACENIC is not set
-# CONFIG_DL2K is not set
-# CONFIG_E1000 is not set
-# CONFIG_NS83820 is not set
-# CONFIG_HAMACHI is not set
-# CONFIG_YELLOWFIN is not set
-# CONFIG_R8169 is not set
-# CONFIG_SKGE is not set
-# CONFIG_SK98LIN is not set
-# CONFIG_VIA_VELOCITY is not set
-# CONFIG_TIGON3 is not set
-# CONFIG_BNX2 is not set
-# CONFIG_MV643XX_ETH is not set
-
-#
-# Ethernet (10000 Mbit)
-#
-# CONFIG_IXGB is not set
-# CONFIG_S2IO is not set
-
-#
-# Token Ring devices
-#
-# CONFIG_TR is not set
-
-#
-# Wireless LAN (non-hamradio)
-#
-CONFIG_NET_RADIO=y
-
-#
-# Obsolete Wireless cards support (pre-802.11)
-#
-# CONFIG_STRIP is not set
-# CONFIG_PCMCIA_WAVELAN is not set
-# CONFIG_PCMCIA_NETWAVE is not set
-
-#
-# Wireless 802.11 Frequency Hopping cards support
-#
-# CONFIG_PCMCIA_RAYCS is not set
-
-#
-# Wireless 802.11b ISA/PCI cards support
-#
-CONFIG_HERMES=m
-CONFIG_APPLE_AIRPORT=m
-# CONFIG_PLX_HERMES is not set
-# CONFIG_TMD_HERMES is not set
-# CONFIG_PCI_HERMES is not set
-# CONFIG_ATMEL is not set
-
-#
-# Wireless 802.11b Pcmcia/Cardbus cards support
-#
-CONFIG_PCMCIA_HERMES=m
-# CONFIG_AIRO_CS is not set
-# CONFIG_PCMCIA_WL3501 is not set
-
-#
-# Prism GT/Duette 802.11(a/b/g) PCI/Cardbus support
-#
-# CONFIG_PRISM54 is not set
-CONFIG_NET_WIRELESS=y
-
-#
-# PCMCIA network device support
-#
-# CONFIG_NET_PCMCIA is not set
-
-#
-# Wan interfaces
-#
-# CONFIG_WAN is not set
-# CONFIG_FDDI is not set
-# CONFIG_HIPPI is not set
-CONFIG_PPP=y
-CONFIG_PPP_MULTILINK=y
-# CONFIG_PPP_FILTER is not set
-CONFIG_PPP_ASYNC=y
-CONFIG_PPP_SYNC_TTY=m
-CONFIG_PPP_DEFLATE=y
-CONFIG_PPP_BSDCOMP=m
-CONFIG_PPPOE=m
-# CONFIG_SLIP is not set
-# CONFIG_NET_FC is not set
-# CONFIG_SHAPER is not set
-CONFIG_NETCONSOLE=m
-
-#
-# ISDN subsystem
-#
-# CONFIG_ISDN is not set
-
-#
-# Telephony Support
-#
-# CONFIG_PHONE is not set
-
-#
-# Input device support
-#
-CONFIG_INPUT=y
-
-#
-# Userland interfaces
-#
-CONFIG_INPUT_MOUSEDEV=y
-# CONFIG_INPUT_MOUSEDEV_PSAUX is not set
-CONFIG_INPUT_MOUSEDEV_SCREEN_X=1024
-CONFIG_INPUT_MOUSEDEV_SCREEN_Y=768
-# CONFIG_INPUT_JOYDEV is not set
-# CONFIG_INPUT_TSDEV is not set
-CONFIG_INPUT_EVDEV=y
-# CONFIG_INPUT_EVBUG is not set
-
-#
-# Input Device Drivers
-#
-CONFIG_INPUT_KEYBOARD=y
-# CONFIG_KEYBOARD_ATKBD is not set
-# CONFIG_KEYBOARD_SUNKBD is not set
-# CONFIG_KEYBOARD_LKKBD is not set
-# CONFIG_KEYBOARD_XTKBD is not set
-# CONFIG_KEYBOARD_NEWTON is not set
-CONFIG_INPUT_MOUSE=y
-# CONFIG_MOUSE_PS2 is not set
-# CONFIG_MOUSE_SERIAL is not set
-# CONFIG_MOUSE_VSXXXAA is not set
-# CONFIG_INPUT_JOYSTICK is not set
-# CONFIG_INPUT_TOUCHSCREEN is not set
-# CONFIG_INPUT_MISC is not set
-
-#
-# Hardware I/O ports
-#
-# CONFIG_SERIO is not set
-# CONFIG_GAMEPORT is not set
-
-#
-# Character devices
-#
-CONFIG_VT=y
-CONFIG_VT_CONSOLE=y
-CONFIG_HW_CONSOLE=y
-# CONFIG_SERIAL_NONSTANDARD is not set
-
-#
-# Serial drivers
-#
-CONFIG_SERIAL_8250=m
-CONFIG_SERIAL_8250_CS=m
-CONFIG_SERIAL_8250_NR_UARTS=4
-# CONFIG_SERIAL_8250_EXTENDED is not set
-
-#
-# Non-8250 serial port support
-#
-CONFIG_SERIAL_CORE=y
-CONFIG_SERIAL_CORE_CONSOLE=y
-CONFIG_SERIAL_PMACZILOG=y
-CONFIG_SERIAL_PMACZILOG_CONSOLE=y
-# CONFIG_SERIAL_JSM is not set
-CONFIG_UNIX98_PTYS=y
-CONFIG_LEGACY_PTYS=y
-CONFIG_LEGACY_PTY_COUNT=256
-
-#
-# IPMI
-#
-# CONFIG_IPMI_HANDLER is not set
-
-#
-# Watchdog Cards
-#
-# CONFIG_WATCHDOG is not set
-CONFIG_NVRAM=y
-CONFIG_GEN_RTC=y
-# CONFIG_GEN_RTC_X is not set
-# CONFIG_DTLK is not set
-# CONFIG_R3964 is not set
-# CONFIG_APPLICOM is not set
-
-#
-# Ftape, the floppy tape device driver
-#
-CONFIG_AGP=m
-CONFIG_AGP_UNINORTH=m
-CONFIG_DRM=m
-# CONFIG_DRM_TDFX is not set
-CONFIG_DRM_R128=m
-CONFIG_DRM_RADEON=m
-# CONFIG_DRM_MGA is not set
-# CONFIG_DRM_SIS is not set
-# CONFIG_DRM_VIA is not set
-
-#
-# PCMCIA character devices
-#
-# CONFIG_SYNCLINK_CS is not set
-# CONFIG_RAW_DRIVER is not set
-
-#
-# TPM devices
-#
-# CONFIG_TCG_TPM is not set
-
-#
-# I2C support
-#
-CONFIG_I2C=y
-CONFIG_I2C_CHARDEV=m
-
-#
-# I2C Algorithms
-#
-CONFIG_I2C_ALGOBIT=y
-# CONFIG_I2C_ALGOPCF is not set
-# CONFIG_I2C_ALGOPCA is not set
-
-#
-# I2C Hardware Bus support
-#
-# CONFIG_I2C_ALI1535 is not set
-# CONFIG_I2C_ALI1563 is not set
-# CONFIG_I2C_ALI15X3 is not set
-# CONFIG_I2C_AMD756 is not set
-# CONFIG_I2C_AMD8111 is not set
-# CONFIG_I2C_HYDRA is not set
-# CONFIG_I2C_I801 is not set
-# CONFIG_I2C_I810 is not set
-# CONFIG_I2C_PIIX4 is not set
-# CONFIG_I2C_ISA is not set
-CONFIG_I2C_KEYWEST=m
-# CONFIG_I2C_MPC is not set
-# CONFIG_I2C_NFORCE2 is not set
-# CONFIG_I2C_PARPORT_LIGHT is not set
-# CONFIG_I2C_PROSAVAGE is not set
-# CONFIG_I2C_SAVAGE4 is not set
-# CONFIG_SCx200_ACB is not set
-# CONFIG_I2C_SIS5595 is not set
-# CONFIG_I2C_SIS630 is not set
-# CONFIG_I2C_SIS96X is not set
-# CONFIG_I2C_STUB is not set
-# CONFIG_I2C_VIA is not set
-# CONFIG_I2C_VIAPRO is not set
-# CONFIG_I2C_VOODOO3 is not set
-# CONFIG_I2C_PCA_ISA is not set
-# CONFIG_I2C_SENSOR is not set
-
-#
-# Miscellaneous I2C Chip support
-#
-# CONFIG_SENSORS_DS1337 is not set
-# CONFIG_SENSORS_DS1374 is not set
-# CONFIG_SENSORS_EEPROM is not set
-# CONFIG_SENSORS_PCF8574 is not set
-# CONFIG_SENSORS_PCA9539 is not set
-# CONFIG_SENSORS_PCF8591 is not set
-# CONFIG_SENSORS_RTC8564 is not set
-# CONFIG_SENSORS_M41T00 is not set
-# CONFIG_SENSORS_MAX6875 is not set
-# CONFIG_I2C_DEBUG_CORE is not set
-# CONFIG_I2C_DEBUG_ALGO is not set
-# CONFIG_I2C_DEBUG_BUS is not set
-# CONFIG_I2C_DEBUG_CHIP is not set
-
-#
-# Dallas's 1-wire bus
-#
-# CONFIG_W1 is not set
-
-#
-# Hardware Monitoring support
-#
-# CONFIG_HWMON is not set
-
-#
-# Misc devices
-#
-
-#
-# Multimedia devices
-#
-# CONFIG_VIDEO_DEV is not set
-
-#
-# Digital Video Broadcasting Devices
-#
-# CONFIG_DVB is not set
-
-#
-# Graphics support
-#
-CONFIG_FB=y
-CONFIG_FB_CFB_FILLRECT=y
-CONFIG_FB_CFB_COPYAREA=y
-CONFIG_FB_CFB_IMAGEBLIT=y
-CONFIG_FB_SOFT_CURSOR=y
-CONFIG_FB_MACMODES=y
-CONFIG_FB_MODE_HELPERS=y
-CONFIG_FB_TILEBLITTING=y
-# CONFIG_FB_CIRRUS is not set
-# CONFIG_FB_PM2 is not set
-# CONFIG_FB_CYBER2000 is not set
-CONFIG_FB_OF=y
-CONFIG_FB_CONTROL=y
-CONFIG_FB_PLATINUM=y
-CONFIG_FB_VALKYRIE=y
-CONFIG_FB_CT65550=y
-# CONFIG_FB_ASILIANT is not set
-CONFIG_FB_IMSTT=y
-# CONFIG_FB_VGA16 is not set
-# CONFIG_FB_NVIDIA is not set
-# CONFIG_FB_RIVA is not set
-CONFIG_FB_MATROX=y
-CONFIG_FB_MATROX_MILLENIUM=y
-CONFIG_FB_MATROX_MYSTIQUE=y
-CONFIG_FB_MATROX_G=y
-# CONFIG_FB_MATROX_I2C is not set
-# CONFIG_FB_MATROX_MULTIHEAD is not set
-# CONFIG_FB_RADEON_OLD is not set
-CONFIG_FB_RADEON=y
-CONFIG_FB_RADEON_I2C=y
-# CONFIG_FB_RADEON_DEBUG is not set
-CONFIG_FB_ATY128=y
-CONFIG_FB_ATY=y
-CONFIG_FB_ATY_CT=y
-CONFIG_FB_ATY_GENERIC_LCD=y
-# CONFIG_FB_ATY_XL_INIT is not set
-CONFIG_FB_ATY_GX=y
-# CONFIG_FB_SAVAGE is not set
-# CONFIG_FB_SIS is not set
-# CONFIG_FB_NEOMAGIC is not set
-# CONFIG_FB_KYRO is not set
-CONFIG_FB_3DFX=y
-CONFIG_FB_3DFX_ACCEL=y
-# CONFIG_FB_VOODOO1 is not set
-# CONFIG_FB_TRIDENT is not set
-# CONFIG_FB_S1D13XXX is not set
-# CONFIG_FB_VIRTUAL is not set
-
-#
-# Console display driver support
-#
-# CONFIG_VGA_CONSOLE is not set
-CONFIG_DUMMY_CONSOLE=y
-CONFIG_FRAMEBUFFER_CONSOLE=y
-# CONFIG_FONTS is not set
-CONFIG_FONT_8x8=y
-CONFIG_FONT_8x16=y
-
-#
-# Logo configuration
-#
-CONFIG_LOGO=y
-CONFIG_LOGO_LINUX_MONO=y
-CONFIG_LOGO_LINUX_VGA16=y
-CONFIG_LOGO_LINUX_CLUT224=y
-CONFIG_BACKLIGHT_LCD_SUPPORT=y
-CONFIG_BACKLIGHT_CLASS_DEVICE=y
-CONFIG_BACKLIGHT_DEVICE=y
-CONFIG_LCD_CLASS_DEVICE=y
-CONFIG_LCD_DEVICE=y
-
-#
-# Sound
-#
-CONFIG_SOUND=m
-CONFIG_DMASOUND_PMAC=m
-CONFIG_DMASOUND=m
-
-#
-# Advanced Linux Sound Architecture
-#
-CONFIG_SND=m
-CONFIG_SND_TIMER=m
-CONFIG_SND_PCM=m
-CONFIG_SND_HWDEP=m
-CONFIG_SND_RAWMIDI=m
-CONFIG_SND_SEQUENCER=m
-CONFIG_SND_SEQ_DUMMY=m
-CONFIG_SND_OSSEMUL=y
-CONFIG_SND_MIXER_OSS=m
-CONFIG_SND_PCM_OSS=m
-CONFIG_SND_SEQUENCER_OSS=y
-# CONFIG_SND_VERBOSE_PRINTK is not set
-# CONFIG_SND_DEBUG is not set
-
-#
-# Generic devices
-#
-CONFIG_SND_DUMMY=m
-# CONFIG_SND_VIRMIDI is not set
-# CONFIG_SND_MTPAV is not set
-# CONFIG_SND_SERIAL_U16550 is not set
-# CONFIG_SND_MPU401 is not set
-
-#
-# PCI devices
-#
-# CONFIG_SND_ALI5451 is not set
-# CONFIG_SND_ATIIXP is not set
-# CONFIG_SND_ATIIXP_MODEM is not set
-# CONFIG_SND_AU8810 is not set
-# CONFIG_SND_AU8820 is not set
-# CONFIG_SND_AU8830 is not set
-# CONFIG_SND_AZT3328 is not set
-# CONFIG_SND_BT87X is not set
-# CONFIG_SND_CS46XX is not set
-# CONFIG_SND_CS4281 is not set
-# CONFIG_SND_EMU10K1 is not set
-# CONFIG_SND_EMU10K1X is not set
-# CONFIG_SND_CA0106 is not set
-# CONFIG_SND_KORG1212 is not set
-# CONFIG_SND_MIXART is not set
-# CONFIG_SND_NM256 is not set
-# CONFIG_SND_RME32 is not set
-# CONFIG_SND_RME96 is not set
-# CONFIG_SND_RME9652 is not set
-# CONFIG_SND_HDSP is not set
-# CONFIG_SND_HDSPM is not set
-# CONFIG_SND_TRIDENT is not set
-# CONFIG_SND_YMFPCI is not set
-# CONFIG_SND_ALS4000 is not set
-# CONFIG_SND_CMIPCI is not set
-# CONFIG_SND_ENS1370 is not set
-# CONFIG_SND_ENS1371 is not set
-# CONFIG_SND_ES1938 is not set
-# CONFIG_SND_ES1968 is not set
-# CONFIG_SND_MAESTRO3 is not set
-# CONFIG_SND_FM801 is not set
-# CONFIG_SND_ICE1712 is not set
-# CONFIG_SND_ICE1724 is not set
-# CONFIG_SND_INTEL8X0 is not set
-# CONFIG_SND_INTEL8X0M is not set
-# CONFIG_SND_SONICVIBES is not set
-# CONFIG_SND_VIA82XX is not set
-# CONFIG_SND_VIA82XX_MODEM is not set
-# CONFIG_SND_VX222 is not set
-# CONFIG_SND_HDA_INTEL is not set
-
-#
-# ALSA PowerMac devices
-#
-CONFIG_SND_POWERMAC=m
-
-#
-# USB devices
-#
-CONFIG_SND_USB_AUDIO=m
-CONFIG_SND_USB_USX2Y=m
-
-#
-# PCMCIA devices
-#
-
-#
-# Open Sound System
-#
-# CONFIG_SOUND_PRIME is not set
-
-#
-# USB support
-#
-CONFIG_USB_ARCH_HAS_HCD=y
-CONFIG_USB_ARCH_HAS_OHCI=y
-CONFIG_USB=y
-# CONFIG_USB_DEBUG is not set
-
-#
-# Miscellaneous USB options
-#
-CONFIG_USB_DEVICEFS=y
-# CONFIG_USB_BANDWIDTH is not set
-CONFIG_USB_DYNAMIC_MINORS=y
-CONFIG_USB_SUSPEND=y
-# CONFIG_USB_OTG is not set
-
-#
-# USB Host Controller Drivers
-#
-# CONFIG_USB_EHCI_HCD is not set
-# CONFIG_USB_ISP116X_HCD is not set
-CONFIG_USB_OHCI_HCD=y
-# CONFIG_USB_OHCI_BIG_ENDIAN is not set
-CONFIG_USB_OHCI_LITTLE_ENDIAN=y
-# CONFIG_USB_UHCI_HCD is not set
-# CONFIG_USB_SL811_HCD is not set
-
-#
-# USB Device Class drivers
-#
-# CONFIG_USB_AUDIO is not set
-# CONFIG_USB_BLUETOOTH_TTY is not set
-# CONFIG_USB_MIDI is not set
-CONFIG_USB_ACM=m
-CONFIG_USB_PRINTER=m
-
-#
-# NOTE: USB_STORAGE enables SCSI, and 'SCSI disk support' may also be needed; see USB_STORAGE Help for more information
-#
-# CONFIG_USB_STORAGE is not set
-
-#
-# USB Input Devices
-#
-CONFIG_USB_HID=y
-CONFIG_USB_HIDINPUT=y
-# CONFIG_HID_FF is not set
-CONFIG_USB_HIDDEV=y
-# CONFIG_USB_AIPTEK is not set
-# CONFIG_USB_WACOM is not set
-# CONFIG_USB_ACECAD is not set
-# CONFIG_USB_KBTAB is not set
-# CONFIG_USB_POWERMATE is not set
-# CONFIG_USB_MTOUCH is not set
-# CONFIG_USB_ITMTOUCH is not set
-# CONFIG_USB_EGALAX is not set
-# CONFIG_USB_XPAD is not set
-# CONFIG_USB_ATI_REMOTE is not set
-# CONFIG_USB_KEYSPAN_REMOTE is not set
-
-#
-# USB Imaging devices
-#
-# CONFIG_USB_MDC800 is not set
-# CONFIG_USB_MICROTEK is not set
-
-#
-# USB Multimedia devices
-#
-# CONFIG_USB_DABUSB is not set
-
-#
-# Video4Linux support is needed for USB Multimedia device support
-#
-
-#
-# USB Network Adapters
-#
-# CONFIG_USB_CATC is not set
-# CONFIG_USB_KAWETH is not set
-CONFIG_USB_PEGASUS=m
-# CONFIG_USB_RTL8150 is not set
-# CONFIG_USB_USBNET is not set
-# CONFIG_USB_ZD1201 is not set
-# CONFIG_USB_MON is not set
-
-#
-# USB port drivers
-#
-
-#
-# USB Serial Converter support
-#
-CONFIG_USB_SERIAL=m
-# CONFIG_USB_SERIAL_GENERIC is not set
-# CONFIG_USB_SERIAL_AIRPRIME is not set
-# CONFIG_USB_SERIAL_BELKIN is not set
-# CONFIG_USB_SERIAL_WHITEHEAT is not set
-# CONFIG_USB_SERIAL_DIGI_ACCELEPORT is not set
-# CONFIG_USB_SERIAL_CP2101 is not set
-# CONFIG_USB_SERIAL_CYPRESS_M8 is not set
-# CONFIG_USB_SERIAL_EMPEG is not set
-# CONFIG_USB_SERIAL_FTDI_SIO is not set
-CONFIG_USB_SERIAL_VISOR=m
-# CONFIG_USB_SERIAL_IPAQ is not set
-# CONFIG_USB_SERIAL_IR is not set
-# CONFIG_USB_SERIAL_EDGEPORT is not set
-# CONFIG_USB_SERIAL_EDGEPORT_TI is not set
-# CONFIG_USB_SERIAL_GARMIN is not set
-# CONFIG_USB_SERIAL_IPW is not set
-# CONFIG_USB_SERIAL_KEYSPAN_PDA is not set
-CONFIG_USB_SERIAL_KEYSPAN=m
-CONFIG_USB_SERIAL_KEYSPAN_MPR=y
-CONFIG_USB_SERIAL_KEYSPAN_USA28=y
-CONFIG_USB_SERIAL_KEYSPAN_USA28X=y
-CONFIG_USB_SERIAL_KEYSPAN_USA28XA=y
-CONFIG_USB_SERIAL_KEYSPAN_USA28XB=y
-CONFIG_USB_SERIAL_KEYSPAN_USA19=y
-CONFIG_USB_SERIAL_KEYSPAN_USA18X=y
-CONFIG_USB_SERIAL_KEYSPAN_USA19W=y
-CONFIG_USB_SERIAL_KEYSPAN_USA19QW=y
-CONFIG_USB_SERIAL_KEYSPAN_USA19QI=y
-CONFIG_USB_SERIAL_KEYSPAN_USA49W=y
-CONFIG_USB_SERIAL_KEYSPAN_USA49WLC=y
-# CONFIG_USB_SERIAL_KLSI is not set
-# CONFIG_USB_SERIAL_KOBIL_SCT is not set
-# CONFIG_USB_SERIAL_MCT_U232 is not set
-# CONFIG_USB_SERIAL_PL2303 is not set
-# CONFIG_USB_SERIAL_HP4X is not set
-# CONFIG_USB_SERIAL_SAFE is not set
-# CONFIG_USB_SERIAL_TI is not set
-# CONFIG_USB_SERIAL_CYBERJACK is not set
-# CONFIG_USB_SERIAL_XIRCOM is not set
-# CONFIG_USB_SERIAL_OPTION is not set
-# CONFIG_USB_SERIAL_OMNINET is not set
-CONFIG_USB_EZUSB=y
-
-#
-# USB Miscellaneous drivers
-#
-# CONFIG_USB_EMI62 is not set
-# CONFIG_USB_EMI26 is not set
-# CONFIG_USB_AUERSWALD is not set
-# CONFIG_USB_RIO500 is not set
-# CONFIG_USB_LEGOTOWER is not set
-# CONFIG_USB_LCD is not set
-# CONFIG_USB_LED is not set
-# CONFIG_USB_CYTHERM is not set
-# CONFIG_USB_PHIDGETKIT is not set
-# CONFIG_USB_PHIDGETSERVO is not set
-# CONFIG_USB_IDMOUSE is not set
-# CONFIG_USB_LD is not set
-# CONFIG_USB_TEST is not set
-
-#
-# USB DSL modem support
-#
-
-#
-# USB Gadget Support
-#
-# CONFIG_USB_GADGET is not set
-
-#
-# MMC/SD Card support
-#
-# CONFIG_MMC is not set
-
-#
-# InfiniBand support
-#
-# CONFIG_INFINIBAND is not set
-
-#
-# SN Devices
-#
-
-#
-# File systems
-#
-CONFIG_EXT2_FS=y
-CONFIG_EXT2_FS_XATTR=y
-# CONFIG_EXT2_FS_POSIX_ACL is not set
-# CONFIG_EXT2_FS_SECURITY is not set
-# CONFIG_EXT2_FS_XIP is not set
-CONFIG_EXT3_FS=y
-CONFIG_EXT3_FS_XATTR=y
-# CONFIG_EXT3_FS_POSIX_ACL is not set
-# CONFIG_EXT3_FS_SECURITY is not set
-CONFIG_JBD=y
-# CONFIG_JBD_DEBUG is not set
-CONFIG_FS_MBCACHE=y
-# CONFIG_REISERFS_FS is not set
-# CONFIG_JFS_FS is not set
-CONFIG_FS_POSIX_ACL=y
-
-#
-# XFS support
-#
-# CONFIG_XFS_FS is not set
-# CONFIG_MINIX_FS is not set
-# CONFIG_ROMFS_FS is not set
-CONFIG_INOTIFY=y
-# CONFIG_QUOTA is not set
-CONFIG_DNOTIFY=y
-# CONFIG_AUTOFS_FS is not set
-# CONFIG_AUTOFS4_FS is not set
-
-#
-# CD-ROM/DVD Filesystems
-#
-CONFIG_ISO9660_FS=y
-# CONFIG_JOLIET is not set
-# CONFIG_ZISOFS is not set
-CONFIG_UDF_FS=m
-CONFIG_UDF_NLS=y
-
-#
-# DOS/FAT/NT Filesystems
-#
-CONFIG_FAT_FS=m
-CONFIG_MSDOS_FS=m
-CONFIG_VFAT_FS=m
-CONFIG_FAT_DEFAULT_CODEPAGE=437
-CONFIG_FAT_DEFAULT_IOCHARSET="iso8859-1"
-# CONFIG_NTFS_FS is not set
-
-#
-# Pseudo filesystems
-#
-CONFIG_PROC_FS=y
-CONFIG_PROC_KCORE=y
-CONFIG_SYSFS=y
-CONFIG_DEVPTS_FS_XATTR=y
-CONFIG_DEVPTS_FS_SECURITY=y
-CONFIG_TMPFS=y
-CONFIG_TMPFS_XATTR=y
-CONFIG_TMPFS_SECURITY=y
-# CONFIG_HUGETLB_PAGE is not set
-CONFIG_RAMFS=y
-
-#
-# Miscellaneous filesystems
-#
-# CONFIG_ADFS_FS is not set
-# CONFIG_AFFS_FS is not set
-CONFIG_HFS_FS=m
-CONFIG_HFSPLUS_FS=m
-# CONFIG_BEFS_FS is not set
-# CONFIG_BFS_FS is not set
-# CONFIG_EFS_FS is not set
-CONFIG_CRAMFS=m
-# CONFIG_VXFS_FS is not set
-# CONFIG_HPFS_FS is not set
-# CONFIG_QNX4FS_FS is not set
-# CONFIG_SYSV_FS is not set
-# CONFIG_UFS_FS is not set
-
-#
-# Network File Systems
-#
-CONFIG_NFS_FS=y
-CONFIG_NFS_V3=y
-CONFIG_NFS_V3_ACL=y
-# CONFIG_NFS_V4 is not set
-# CONFIG_NFS_DIRECTIO is not set
-CONFIG_NFSD=y
-CONFIG_NFSD_V2_ACL=y
-CONFIG_NFSD_V3=y
-CONFIG_NFSD_V3_ACL=y
-# CONFIG_NFSD_V4 is not set
-CONFIG_NFSD_TCP=y
-CONFIG_LOCKD=y
-CONFIG_LOCKD_V4=y
-CONFIG_EXPORTFS=y
-CONFIG_NFS_ACL_SUPPORT=y
-CONFIG_NFS_COMMON=y
-CONFIG_SUNRPC=y
-# CONFIG_RPCSEC_GSS_KRB5 is not set
-# CONFIG_RPCSEC_GSS_SPKM3 is not set
-CONFIG_SMB_FS=m
-# CONFIG_SMB_NLS_DEFAULT is not set
-# CONFIG_CIFS is not set
-# CONFIG_NCP_FS is not set
-# CONFIG_CODA_FS is not set
-# CONFIG_AFS_FS is not set
-
-#
-# Partition Types
-#
-CONFIG_PARTITION_ADVANCED=y
-# CONFIG_ACORN_PARTITION is not set
-# CONFIG_OSF_PARTITION is not set
-# CONFIG_AMIGA_PARTITION is not set
-# CONFIG_ATARI_PARTITION is not set
-CONFIG_MAC_PARTITION=y
-CONFIG_MSDOS_PARTITION=y
-# CONFIG_BSD_DISKLABEL is not set
-# CONFIG_MINIX_SUBPARTITION is not set
-# CONFIG_SOLARIS_X86_PARTITION is not set
-# CONFIG_UNIXWARE_DISKLABEL is not set
-# CONFIG_LDM_PARTITION is not set
-# CONFIG_SGI_PARTITION is not set
-# CONFIG_ULTRIX_PARTITION is not set
-# CONFIG_SUN_PARTITION is not set
-# CONFIG_EFI_PARTITION is not set
-
-#
-# Native Language Support
-#
-CONFIG_NLS=y
-CONFIG_NLS_DEFAULT="iso8859-1"
-# CONFIG_NLS_CODEPAGE_437 is not set
-# CONFIG_NLS_CODEPAGE_737 is not set
-# CONFIG_NLS_CODEPAGE_775 is not set
-# CONFIG_NLS_CODEPAGE_850 is not set
-# CONFIG_NLS_CODEPAGE_852 is not set
-# CONFIG_NLS_CODEPAGE_855 is not set
-# CONFIG_NLS_CODEPAGE_857 is not set
-# CONFIG_NLS_CODEPAGE_860 is not set
-# CONFIG_NLS_CODEPAGE_861 is not set
-# CONFIG_NLS_CODEPAGE_862 is not set
-# CONFIG_NLS_CODEPAGE_863 is not set
-# CONFIG_NLS_CODEPAGE_864 is not set
-# CONFIG_NLS_CODEPAGE_865 is not set
-# CONFIG_NLS_CODEPAGE_866 is not set
-# CONFIG_NLS_CODEPAGE_869 is not set
-# CONFIG_NLS_CODEPAGE_936 is not set
-# CONFIG_NLS_CODEPAGE_950 is not set
-# CONFIG_NLS_CODEPAGE_932 is not set
-# CONFIG_NLS_CODEPAGE_949 is not set
-# CONFIG_NLS_CODEPAGE_874 is not set
-# CONFIG_NLS_ISO8859_8 is not set
-CONFIG_NLS_CODEPAGE_1250=m
-CONFIG_NLS_CODEPAGE_1251=m
-CONFIG_NLS_ASCII=m
-CONFIG_NLS_ISO8859_1=m
-# CONFIG_NLS_ISO8859_2 is not set
-# CONFIG_NLS_ISO8859_3 is not set
-# CONFIG_NLS_ISO8859_4 is not set
-# CONFIG_NLS_ISO8859_5 is not set
-# CONFIG_NLS_ISO8859_6 is not set
-# CONFIG_NLS_ISO8859_7 is not set
-# CONFIG_NLS_ISO8859_9 is not set
-# CONFIG_NLS_ISO8859_13 is not set
-# CONFIG_NLS_ISO8859_14 is not set
-CONFIG_NLS_ISO8859_15=m
-# CONFIG_NLS_KOI8_R is not set
-# CONFIG_NLS_KOI8_U is not set
-CONFIG_NLS_UTF8=m
-
-#
-# Library routines
-#
-CONFIG_CRC_CCITT=y
-CONFIG_CRC32=y
-# CONFIG_LIBCRC32C is not set
-CONFIG_ZLIB_INFLATE=y
-CONFIG_ZLIB_DEFLATE=y
-
-#
-# Profiling support
-#
-# CONFIG_PROFILING is not set
-
-#
-# Kernel hacking
-#
-# CONFIG_PRINTK_TIME is not set
-CONFIG_DEBUG_KERNEL=y
-CONFIG_MAGIC_SYSRQ=y
-CONFIG_LOG_BUF_SHIFT=16
-# CONFIG_SCHEDSTATS is not set
-# CONFIG_DEBUG_SLAB is not set
-# CONFIG_DEBUG_SPINLOCK is not set
-# CONFIG_DEBUG_SPINLOCK_SLEEP is not set
-# CONFIG_DEBUG_KOBJECT is not set
-# CONFIG_DEBUG_INFO is not set
-# CONFIG_DEBUG_FS is not set
-# CONFIG_XMON is not set
-# CONFIG_BDI_SWITCH is not set
-CONFIG_BOOTX_TEXT=y
-
-#
-# Security options
-#
-# CONFIG_KEYS is not set
-# CONFIG_SECURITY is not set
-
-#
-# Cryptographic options
-#
-# CONFIG_CRYPTO is not set
-
-#
-# Hardware crypto devices
-#
diff --git a/arch/ppc/configs/power3_defconfig b/arch/ppc/configs/power3_defconfig
deleted file mode 100644
index a1ef929bca59..000000000000
--- a/arch/ppc/configs/power3_defconfig
+++ /dev/null
@@ -1,1035 +0,0 @@
-#
-# Automatically generated make config: don't edit
-#
-CONFIG_MMU=y
-CONFIG_RWSEM_XCHGADD_ALGORITHM=y
-CONFIG_HAVE_DEC_LOCK=y
-CONFIG_PPC=y
-CONFIG_PPC32=y
-CONFIG_GENERIC_NVRAM=y
-
-#
-# Code maturity level options
-#
-CONFIG_EXPERIMENTAL=y
-CONFIG_CLEAN_COMPILE=y
-# CONFIG_STANDALONE is not set
-
-#
-# General setup
-#
-CONFIG_SWAP=y
-CONFIG_SYSVIPC=y
-CONFIG_POSIX_MQUEUE=y
-# CONFIG_BSD_PROCESS_ACCT is not set
-CONFIG_SYSCTL=y
-# CONFIG_AUDIT is not set
-CONFIG_LOG_BUF_SHIFT=15
-# CONFIG_HOTPLUG is not set
-CONFIG_IKCONFIG=y
-CONFIG_IKCONFIG_PROC=y
-# CONFIG_EMBEDDED is not set
-CONFIG_KALLSYMS=y
-CONFIG_FUTEX=y
-CONFIG_EPOLL=y
-CONFIG_IOSCHED_NOOP=y
-CONFIG_IOSCHED_AS=y
-CONFIG_IOSCHED_DEADLINE=y
-CONFIG_IOSCHED_CFQ=y
-# CONFIG_CC_OPTIMIZE_FOR_SIZE is not set
-
-#
-# Loadable module support
-#
-CONFIG_MODULES=y
-CONFIG_MODULE_UNLOAD=y
-CONFIG_MODULE_FORCE_UNLOAD=y
-CONFIG_OBSOLETE_MODPARM=y
-# CONFIG_MODVERSIONS is not set
-CONFIG_KMOD=y
-CONFIG_STOP_MACHINE=y
-
-#
-# Processor
-#
-# CONFIG_6xx is not set
-# CONFIG_40x is not set
-# CONFIG_44x is not set
-CONFIG_POWER3=y
-# CONFIG_POWER4 is not set
-# CONFIG_8xx is not set
-# CONFIG_CPU_FREQ is not set
-CONFIG_PPC64BRIDGE=y
-CONFIG_PPC_STD_MMU=y
-
-#
-# Platform options
-#
-CONFIG_PPC_MULTIPLATFORM=y
-# CONFIG_APUS is not set
-# CONFIG_WILLOW is not set
-# CONFIG_PCORE is not set
-# CONFIG_POWERPMC250 is not set
-# CONFIG_EV64260 is not set
-# CONFIG_SPRUCE is not set
-# CONFIG_LOPEC is not set
-# CONFIG_MCPN765 is not set
-# CONFIG_MVME5100 is not set
-# CONFIG_PPLUS is not set
-# CONFIG_PRPMC750 is not set
-# CONFIG_PRPMC800 is not set
-# CONFIG_SANDPOINT is not set
-# CONFIG_ADIR is not set
-# CONFIG_K2 is not set
-# CONFIG_PAL4 is not set
-# CONFIG_GEMINI is not set
-# CONFIG_EST8260 is not set
-# CONFIG_SBS8260 is not set
-# CONFIG_RPX6 is not set
-# CONFIG_TQM8260 is not set
-CONFIG_PPC_CHRP=y
-CONFIG_PPC_PMAC=y
-CONFIG_PPC_PREP=y
-CONFIG_PPC_OF=y
-CONFIG_PPCBUG_NVRAM=y
-CONFIG_SMP=y
-# CONFIG_IRQ_ALL_CPUS is not set
-CONFIG_NR_CPUS=32
-# CONFIG_PREEMPT is not set
-CONFIG_HIGHMEM=y
-CONFIG_KERNEL_ELF=y
-CONFIG_BINFMT_ELF=y
-CONFIG_BINFMT_MISC=y
-CONFIG_PROC_DEVICETREE=y
-CONFIG_PPC_RTAS=y
-# CONFIG_PREP_RESIDUAL is not set
-# CONFIG_CMDLINE_BOOL is not set
-
-#
-# Bus options
-#
-CONFIG_ISA=y
-CONFIG_GENERIC_ISA_DMA=y
-CONFIG_PCI=y
-CONFIG_PCI_DOMAINS=y
-CONFIG_PCI_LEGACY_PROC=y
-CONFIG_PCI_NAMES=y
-
-#
-# Advanced setup
-#
-CONFIG_ADVANCED_OPTIONS=y
-# CONFIG_HIGHMEM_START_BOOL is not set
-CONFIG_HIGHMEM_START=0xfe000000
-# CONFIG_LOWMEM_SIZE_BOOL is not set
-CONFIG_LOWMEM_SIZE=0x30000000
-# CONFIG_KERNEL_START_BOOL is not set
-CONFIG_KERNEL_START=0xc0000000
-CONFIG_TASK_SIZE_BOOL=y
-CONFIG_TASK_SIZE=0xc0000000
-CONFIG_BOOT_LOAD=0x00800000
-
-#
-# Device Drivers
-#
-
-#
-# Generic Driver Options
-#
-
-#
-# Memory Technology Devices (MTD)
-#
-# CONFIG_MTD is not set
-
-#
-# Parallel port support
-#
-CONFIG_PARPORT=m
-CONFIG_PARPORT_PC=m
-CONFIG_PARPORT_PC_CML1=m
-# CONFIG_PARPORT_SERIAL is not set
-CONFIG_PARPORT_PC_FIFO=y
-# CONFIG_PARPORT_PC_SUPERIO is not set
-# CONFIG_PARPORT_OTHER is not set
-# CONFIG_PARPORT_1284 is not set
-
-#
-# Plug and Play support
-#
-# CONFIG_PNP is not set
-
-#
-# Block devices
-#
-CONFIG_BLK_DEV_FD=y
-# CONFIG_BLK_DEV_XD is not set
-# CONFIG_PARIDE is not set
-# CONFIG_BLK_CPQ_DA is not set
-# CONFIG_BLK_CPQ_CISS_DA is not set
-# CONFIG_BLK_DEV_DAC960 is not set
-# CONFIG_BLK_DEV_UMEM is not set
-CONFIG_BLK_DEV_LOOP=y
-# CONFIG_BLK_DEV_CRYPTOLOOP is not set
-# CONFIG_BLK_DEV_NBD is not set
-# CONFIG_BLK_DEV_CARMEL is not set
-CONFIG_BLK_DEV_RAM=y
-CONFIG_BLK_DEV_RAM_SIZE=4096
-CONFIG_BLK_DEV_INITRD=y
-CONFIG_LBD=y
-
-#
-# ATA/ATAPI/MFM/RLL support
-#
-# CONFIG_IDE is not set
-
-#
-# SCSI device support
-#
-CONFIG_SCSI=y
-CONFIG_SCSI_PROC_FS=y
-
-#
-# SCSI support type (disk, tape, CD-ROM)
-#
-CONFIG_BLK_DEV_SD=y
-CONFIG_CHR_DEV_ST=y
-# CONFIG_CHR_DEV_OSST is not set
-CONFIG_BLK_DEV_SR=y
-CONFIG_BLK_DEV_SR_VENDOR=y
-CONFIG_CHR_DEV_SG=y
-
-#
-# Some SCSI devices (e.g. CD jukebox) support multiple LUNs
-#
-# CONFIG_SCSI_MULTI_LUN is not set
-# CONFIG_SCSI_REPORT_LUNS is not set
-CONFIG_SCSI_CONSTANTS=y
-CONFIG_SCSI_LOGGING=y
-
-#
-# SCSI Transport Attributes
-#
-CONFIG_SCSI_SPI_ATTRS=y
-# CONFIG_SCSI_FC_ATTRS is not set
-
-#
-# SCSI low-level drivers
-#
-# CONFIG_BLK_DEV_3W_XXXX_RAID is not set
-# CONFIG_SCSI_7000FASST is not set
-# CONFIG_SCSI_ACARD is not set
-# CONFIG_SCSI_AHA152X is not set
-# CONFIG_SCSI_AHA1542 is not set
-# CONFIG_SCSI_AACRAID is not set
-# CONFIG_SCSI_AIC7XXX is not set
-# CONFIG_SCSI_AIC7XXX_OLD is not set
-# CONFIG_SCSI_AIC79XX is not set
-# CONFIG_SCSI_ADVANSYS is not set
-# CONFIG_SCSI_IN2000 is not set
-# CONFIG_SCSI_MEGARAID is not set
-# CONFIG_SCSI_SATA is not set
-# CONFIG_SCSI_BUSLOGIC is not set
-# CONFIG_SCSI_CPQFCTS is not set
-# CONFIG_SCSI_DMX3191D is not set
-# CONFIG_SCSI_DTC3280 is not set
-# CONFIG_SCSI_EATA is not set
-# CONFIG_SCSI_EATA_PIO is not set
-# CONFIG_SCSI_FUTURE_DOMAIN is not set
-# CONFIG_SCSI_GDTH is not set
-# CONFIG_SCSI_GENERIC_NCR5380 is not set
-# CONFIG_SCSI_GENERIC_NCR5380_MMIO is not set
-# CONFIG_SCSI_IPS is not set
-# CONFIG_SCSI_INIA100 is not set
-# CONFIG_SCSI_PPA is not set
-# CONFIG_SCSI_IMM is not set
-# CONFIG_SCSI_NCR53C406A is not set
-CONFIG_SCSI_SYM53C8XX_2=y
-CONFIG_SCSI_SYM53C8XX_DMA_ADDRESSING_MODE=1
-CONFIG_SCSI_SYM53C8XX_DEFAULT_TAGS=16
-CONFIG_SCSI_SYM53C8XX_MAX_TAGS=64
-# CONFIG_SCSI_SYM53C8XX_IOMAPPED is not set
-# CONFIG_SCSI_IPR is not set
-# CONFIG_SCSI_PAS16 is not set
-# CONFIG_SCSI_PSI240I is not set
-# CONFIG_SCSI_QLOGIC_FAS is not set
-# CONFIG_SCSI_QLOGIC_ISP is not set
-# CONFIG_SCSI_QLOGIC_FC is not set
-# CONFIG_SCSI_QLOGIC_1280 is not set
-CONFIG_SCSI_QLA2XXX=y
-# CONFIG_SCSI_QLA21XX is not set
-# CONFIG_SCSI_QLA22XX is not set
-# CONFIG_SCSI_QLA2300 is not set
-# CONFIG_SCSI_QLA2322 is not set
-# CONFIG_SCSI_QLA6312 is not set
-# CONFIG_SCSI_QLA6322 is not set
-# CONFIG_SCSI_SYM53C416 is not set
-# CONFIG_SCSI_DC395x is not set
-# CONFIG_SCSI_DC390T is not set
-# CONFIG_SCSI_T128 is not set
-# CONFIG_SCSI_U14_34F is not set
-# CONFIG_SCSI_NSP32 is not set
-# CONFIG_SCSI_DEBUG is not set
-# CONFIG_SCSI_MESH is not set
-# CONFIG_SCSI_MAC53C94 is not set
-
-#
-# Old CD-ROM drivers (not SCSI, not IDE)
-#
-# CONFIG_CD_NO_IDESCSI is not set
-
-#
-# Multi-device support (RAID and LVM)
-#
-CONFIG_MD=y
-CONFIG_BLK_DEV_MD=y
-CONFIG_MD_LINEAR=y
-CONFIG_MD_RAID0=y
-CONFIG_MD_RAID1=y
-CONFIG_MD_RAID5=y
-CONFIG_MD_RAID6=y
-# CONFIG_MD_MULTIPATH is not set
-CONFIG_BLK_DEV_DM=y
-CONFIG_DM_CRYPT=y
-
-#
-# Fusion MPT device support
-#
-# CONFIG_FUSION is not set
-
-#
-# IEEE 1394 (FireWire) support
-#
-# CONFIG_IEEE1394 is not set
-
-#
-# I2O device support
-#
-# CONFIG_I2O is not set
-
-#
-# Macintosh device drivers
-#
-# CONFIG_ADB is not set
-# CONFIG_ADB_CUDA is not set
-# CONFIG_ADB_PMU is not set
-# CONFIG_MAC_FLOPPY is not set
-# CONFIG_MAC_SERIAL is not set
-
-#
-# Networking support
-#
-CONFIG_NET=y
-
-#
-# Networking options
-#
-CONFIG_PACKET=y
-# CONFIG_PACKET_MMAP is not set
-# CONFIG_NETLINK_DEV is not set
-CONFIG_UNIX=y
-# CONFIG_NET_KEY is not set
-CONFIG_INET=y
-CONFIG_IP_MULTICAST=y
-# CONFIG_IP_ADVANCED_ROUTER is not set
-# CONFIG_IP_PNP is not set
-# CONFIG_NET_IPIP is not set
-# CONFIG_NET_IPGRE is not set
-# CONFIG_IP_MROUTE is not set
-# CONFIG_ARPD is not set
-CONFIG_SYN_COOKIES=y
-# CONFIG_INET_AH is not set
-# CONFIG_INET_ESP is not set
-# CONFIG_INET_IPCOMP is not set
-# CONFIG_IPV6 is not set
-# CONFIG_NETFILTER is not set
-
-#
-# SCTP Configuration (EXPERIMENTAL)
-#
-# CONFIG_IP_SCTP is not set
-# CONFIG_ATM is not set
-# CONFIG_BRIDGE is not set
-# CONFIG_VLAN_8021Q is not set
-# CONFIG_DECNET is not set
-# CONFIG_LLC2 is not set
-# CONFIG_IPX is not set
-# CONFIG_ATALK is not set
-# CONFIG_X25 is not set
-# CONFIG_LAPB is not set
-# CONFIG_NET_DIVERT is not set
-# CONFIG_ECONET is not set
-# CONFIG_WAN_ROUTER is not set
-# CONFIG_NET_HW_FLOWCONTROL is not set
-
-#
-# QoS and/or fair queueing
-#
-# CONFIG_NET_SCHED is not set
-
-#
-# Network testing
-#
-# CONFIG_NET_PKTGEN is not set
-# CONFIG_NETPOLL is not set
-# CONFIG_NET_POLL_CONTROLLER is not set
-# CONFIG_HAMRADIO is not set
-# CONFIG_IRDA is not set
-# CONFIG_BT is not set
-CONFIG_NETDEVICES=y
-# CONFIG_DUMMY is not set
-# CONFIG_BONDING is not set
-# CONFIG_EQUALIZER is not set
-# CONFIG_TUN is not set
-
-#
-# ARCnet devices
-#
-# CONFIG_ARCNET is not set
-
-#
-# Ethernet (10 or 100Mbit)
-#
-CONFIG_NET_ETHERNET=y
-CONFIG_MII=y
-# CONFIG_MACE is not set
-# CONFIG_BMAC is not set
-# CONFIG_OAKNET is not set
-# CONFIG_HAPPYMEAL is not set
-# CONFIG_SUNGEM is not set
-# CONFIG_NET_VENDOR_3COM is not set
-# CONFIG_LANCE is not set
-# CONFIG_NET_VENDOR_SMC is not set
-# CONFIG_NET_VENDOR_RACAL is not set
-
-#
-# Tulip family network device support
-#
-# CONFIG_NET_TULIP is not set
-# CONFIG_AT1700 is not set
-# CONFIG_DEPCA is not set
-# CONFIG_HP100 is not set
-# CONFIG_NET_ISA is not set
-CONFIG_NET_PCI=y
-CONFIG_PCNET32=y
-# CONFIG_AMD8111_ETH is not set
-# CONFIG_ADAPTEC_STARFIRE is not set
-# CONFIG_AC3200 is not set
-# CONFIG_APRICOT is not set
-# CONFIG_B44 is not set
-# CONFIG_FORCEDETH is not set
-# CONFIG_CS89x0 is not set
-# CONFIG_DGRS is not set
-# CONFIG_EEPRO100 is not set
-CONFIG_E100=y
-# CONFIG_E100_NAPI is not set
-# CONFIG_FEALNX is not set
-# CONFIG_NATSEMI is not set
-# CONFIG_NE2K_PCI is not set
-# CONFIG_8139CP is not set
-# CONFIG_8139TOO is not set
-# CONFIG_SIS900 is not set
-# CONFIG_EPIC100 is not set
-# CONFIG_SUNDANCE is not set
-# CONFIG_TLAN is not set
-# CONFIG_VIA_RHINE is not set
-# CONFIG_NET_POCKET is not set
-
-#
-# Ethernet (1000 Mbit)
-#
-# CONFIG_ACENIC is not set
-# CONFIG_DL2K is not set
-CONFIG_E1000=y
-# CONFIG_E1000_NAPI is not set
-# CONFIG_E1000_DISABLE_PACKET_SPLIT is not set
-# CONFIG_NS83820 is not set
-# CONFIG_HAMACHI is not set
-# CONFIG_YELLOWFIN is not set
-# CONFIG_R8169 is not set
-# CONFIG_SK98LIN is not set
-# CONFIG_TIGON3 is not set
-
-#
-# Ethernet (10000 Mbit)
-#
-# CONFIG_IXGB is not set
-# CONFIG_S2IO is not set
-
-#
-# Token Ring devices
-#
-# CONFIG_TR is not set
-
-#
-# Wireless LAN (non-hamradio)
-#
-# CONFIG_NET_RADIO is not set
-
-#
-# Wan interfaces
-#
-# CONFIG_WAN is not set
-# CONFIG_FDDI is not set
-# CONFIG_HIPPI is not set
-# CONFIG_PLIP is not set
-# CONFIG_PPP is not set
-# CONFIG_SLIP is not set
-# CONFIG_NET_FC is not set
-# CONFIG_RCPCI is not set
-# CONFIG_SHAPER is not set
-# CONFIG_NETCONSOLE is not set
-
-#
-# ISDN subsystem
-#
-# CONFIG_ISDN is not set
-
-#
-# Telephony Support
-#
-# CONFIG_PHONE is not set
-
-#
-# Input device support
-#
-CONFIG_INPUT=y
-
-#
-# Userland interfaces
-#
-CONFIG_INPUT_MOUSEDEV=y
-CONFIG_INPUT_MOUSEDEV_PSAUX=y
-CONFIG_INPUT_MOUSEDEV_SCREEN_X=1024
-CONFIG_INPUT_MOUSEDEV_SCREEN_Y=768
-# CONFIG_INPUT_JOYDEV is not set
-# CONFIG_INPUT_TSDEV is not set
-CONFIG_INPUT_EVDEV=y
-# CONFIG_INPUT_EVBUG is not set
-
-#
-# Input I/O drivers
-#
-CONFIG_GAMEPORT=m
-CONFIG_SOUND_GAMEPORT=m
-# CONFIG_GAMEPORT_NS558 is not set
-# CONFIG_GAMEPORT_L4 is not set
-# CONFIG_GAMEPORT_EMU10K1 is not set
-# CONFIG_GAMEPORT_VORTEX is not set
-# CONFIG_GAMEPORT_FM801 is not set
-# CONFIG_GAMEPORT_CS461x is not set
-CONFIG_SERIO=y
-CONFIG_SERIO_I8042=y
-CONFIG_SERIO_SERPORT=y
-# CONFIG_SERIO_CT82C710 is not set
-# CONFIG_SERIO_PARKBD is not set
-# CONFIG_SERIO_PCIPS2 is not set
-
-#
-# Input Device Drivers
-#
-CONFIG_INPUT_KEYBOARD=y
-CONFIG_KEYBOARD_ATKBD=y
-# CONFIG_KEYBOARD_SUNKBD is not set
-# CONFIG_KEYBOARD_LKKBD is not set
-# CONFIG_KEYBOARD_XTKBD is not set
-# CONFIG_KEYBOARD_NEWTON is not set
-CONFIG_INPUT_MOUSE=y
-CONFIG_MOUSE_PS2=y
-# CONFIG_MOUSE_SERIAL is not set
-# CONFIG_MOUSE_INPORT is not set
-# CONFIG_MOUSE_LOGIBM is not set
-# CONFIG_MOUSE_PC110PAD is not set
-# CONFIG_MOUSE_VSXXXAA is not set
-# CONFIG_INPUT_JOYSTICK is not set
-# CONFIG_INPUT_TOUCHSCREEN is not set
-CONFIG_INPUT_MISC=y
-CONFIG_INPUT_UINPUT=y
-
-#
-# Character devices
-#
-CONFIG_VT=y
-CONFIG_VT_CONSOLE=y
-CONFIG_HW_CONSOLE=y
-# CONFIG_SERIAL_NONSTANDARD is not set
-
-#
-# Serial drivers
-#
-CONFIG_SERIAL_8250=y
-CONFIG_SERIAL_8250_CONSOLE=y
-CONFIG_SERIAL_8250_NR_UARTS=4
-# CONFIG_SERIAL_8250_EXTENDED is not set
-
-#
-# Non-8250 serial port support
-#
-CONFIG_SERIAL_CORE=y
-CONFIG_SERIAL_CORE_CONSOLE=y
-# CONFIG_SERIAL_PMACZILOG is not set
-CONFIG_UNIX98_PTYS=y
-CONFIG_LEGACY_PTYS=y
-CONFIG_LEGACY_PTY_COUNT=256
-CONFIG_PRINTER=m
-# CONFIG_LP_CONSOLE is not set
-# CONFIG_PPDEV is not set
-# CONFIG_TIPAR is not set
-# CONFIG_QIC02_TAPE is not set
-
-#
-# IPMI
-#
-# CONFIG_IPMI_HANDLER is not set
-
-#
-# Watchdog Cards
-#
-# CONFIG_WATCHDOG is not set
-CONFIG_NVRAM=y
-CONFIG_GEN_RTC=y
-# CONFIG_GEN_RTC_X is not set
-# CONFIG_DTLK is not set
-# CONFIG_R3964 is not set
-# CONFIG_APPLICOM is not set
-
-#
-# Ftape, the floppy tape device driver
-#
-# CONFIG_AGP is not set
-# CONFIG_DRM is not set
-# CONFIG_RAW_DRIVER is not set
-
-#
-# I2C support
-#
-CONFIG_I2C=y
-CONFIG_I2C_CHARDEV=y
-
-#
-# I2C Algorithms
-#
-CONFIG_I2C_ALGOBIT=y
-CONFIG_I2C_ALGOPCF=y
-
-#
-# I2C Hardware Bus support
-#
-# CONFIG_I2C_ALI1535 is not set
-# CONFIG_I2C_ALI1563 is not set
-# CONFIG_I2C_ALI15X3 is not set
-# CONFIG_I2C_AMD756 is not set
-# CONFIG_I2C_AMD8111 is not set
-# CONFIG_I2C_HYDRA is not set
-# CONFIG_I2C_I801 is not set
-# CONFIG_I2C_I810 is not set
-# CONFIG_I2C_ISA is not set
-# CONFIG_I2C_KEYWEST is not set
-# CONFIG_I2C_NFORCE2 is not set
-# CONFIG_I2C_PARPORT is not set
-# CONFIG_I2C_PARPORT_LIGHT is not set
-# CONFIG_I2C_PIIX4 is not set
-# CONFIG_I2C_PROSAVAGE is not set
-# CONFIG_I2C_SAVAGE4 is not set
-# CONFIG_SCx200_ACB is not set
-# CONFIG_I2C_SIS5595 is not set
-# CONFIG_I2C_SIS630 is not set
-# CONFIG_I2C_SIS96X is not set
-# CONFIG_I2C_VIA is not set
-# CONFIG_I2C_VIAPRO is not set
-# CONFIG_I2C_VOODOO3 is not set
-
-#
-# Hardware Sensors Chip support
-#
-# CONFIG_I2C_SENSOR is not set
-# CONFIG_SENSORS_ADM1021 is not set
-# CONFIG_SENSORS_ASB100 is not set
-# CONFIG_SENSORS_DS1621 is not set
-# CONFIG_SENSORS_FSCHER is not set
-# CONFIG_SENSORS_GL518SM is not set
-# CONFIG_SENSORS_IT87 is not set
-# CONFIG_SENSORS_LM75 is not set
-# CONFIG_SENSORS_LM78 is not set
-# CONFIG_SENSORS_LM80 is not set
-# CONFIG_SENSORS_LM83 is not set
-# CONFIG_SENSORS_LM85 is not set
-# CONFIG_SENSORS_LM90 is not set
-# CONFIG_SENSORS_VIA686A is not set
-# CONFIG_SENSORS_W83781D is not set
-# CONFIG_SENSORS_W83L785TS is not set
-# CONFIG_SENSORS_W83627HF is not set
-
-#
-# Other I2C Chip support
-#
-# CONFIG_SENSORS_EEPROM is not set
-# CONFIG_SENSORS_PCF8574 is not set
-# CONFIG_SENSORS_PCF8591 is not set
-# CONFIG_I2C_DEBUG_CORE is not set
-# CONFIG_I2C_DEBUG_ALGO is not set
-# CONFIG_I2C_DEBUG_BUS is not set
-# CONFIG_I2C_DEBUG_CHIP is not set
-
-#
-# Misc devices
-#
-
-#
-# Multimedia devices
-#
-# CONFIG_VIDEO_DEV is not set
-
-#
-# Digital Video Broadcasting Devices
-#
-# CONFIG_DVB is not set
-
-#
-# Graphics support
-#
-CONFIG_FB=y
-# CONFIG_FB_PM2 is not set
-# CONFIG_FB_CYBER2000 is not set
-CONFIG_FB_OF=y
-# CONFIG_FB_CONTROL is not set
-# CONFIG_FB_PLATINUM is not set
-# CONFIG_FB_VALKYRIE is not set
-# CONFIG_FB_CT65550 is not set
-# CONFIG_FB_IMSTT is not set
-# CONFIG_FB_S3TRIO is not set
-# CONFIG_FB_VGA16 is not set
-# CONFIG_FB_RIVA is not set
-CONFIG_FB_MATROX=y
-CONFIG_FB_MATROX_MILLENIUM=y
-CONFIG_FB_MATROX_MYSTIQUE=y
-# CONFIG_FB_MATROX_G450 is not set
-CONFIG_FB_MATROX_G100A=y
-CONFIG_FB_MATROX_G100=y
-CONFIG_FB_MATROX_I2C=y
-# CONFIG_FB_MATROX_MAVEN is not set
-CONFIG_FB_MATROX_MULTIHEAD=y
-# CONFIG_FB_RADEON_OLD is not set
-# CONFIG_FB_RADEON is not set
-# CONFIG_FB_ATY128 is not set
-# CONFIG_FB_ATY is not set
-# CONFIG_FB_SIS is not set
-# CONFIG_FB_NEOMAGIC is not set
-# CONFIG_FB_KYRO is not set
-# CONFIG_FB_3DFX is not set
-# CONFIG_FB_VOODOO1 is not set
-# CONFIG_FB_TRIDENT is not set
-# CONFIG_FB_VIRTUAL is not set
-
-#
-# Console display driver support
-#
-# CONFIG_VGA_CONSOLE is not set
-# CONFIG_MDA_CONSOLE is not set
-CONFIG_DUMMY_CONSOLE=y
-CONFIG_FRAMEBUFFER_CONSOLE=y
-CONFIG_PCI_CONSOLE=y
-# CONFIG_FONTS is not set
-CONFIG_FONT_8x8=y
-CONFIG_FONT_8x16=y
-
-#
-# Logo configuration
-#
-CONFIG_LOGO=y
-CONFIG_LOGO_LINUX_MONO=y
-CONFIG_LOGO_LINUX_VGA16=y
-CONFIG_LOGO_LINUX_CLUT224=y
-
-#
-# Sound
-#
-CONFIG_SOUND=y
-# CONFIG_DMASOUND_PMAC is not set
-
-#
-# Advanced Linux Sound Architecture
-#
-CONFIG_SND=m
-CONFIG_SND_TIMER=m
-CONFIG_SND_PCM=m
-CONFIG_SND_HWDEP=m
-CONFIG_SND_RAWMIDI=m
-CONFIG_SND_SEQUENCER=m
-CONFIG_SND_SEQ_DUMMY=m
-CONFIG_SND_OSSEMUL=y
-CONFIG_SND_MIXER_OSS=m
-CONFIG_SND_PCM_OSS=m
-CONFIG_SND_SEQUENCER_OSS=y
-# CONFIG_SND_VERBOSE_PRINTK is not set
-# CONFIG_SND_DEBUG is not set
-
-#
-# Generic devices
-#
-CONFIG_SND_MPU401_UART=m
-CONFIG_SND_OPL3_LIB=m
-CONFIG_SND_DUMMY=m
-# CONFIG_SND_VIRMIDI is not set
-# CONFIG_SND_MTPAV is not set
-# CONFIG_SND_SERIAL_U16550 is not set
-# CONFIG_SND_MPU401 is not set
-
-#
-# ISA devices
-#
-# CONFIG_SND_AD1848 is not set
-# CONFIG_SND_CS4231 is not set
-CONFIG_SND_CS4232=m
-# CONFIG_SND_CS4236 is not set
-# CONFIG_SND_ES1688 is not set
-# CONFIG_SND_ES18XX is not set
-# CONFIG_SND_GUSCLASSIC is not set
-# CONFIG_SND_GUSEXTREME is not set
-# CONFIG_SND_GUSMAX is not set
-# CONFIG_SND_INTERWAVE is not set
-# CONFIG_SND_INTERWAVE_STB is not set
-# CONFIG_SND_OPTI92X_AD1848 is not set
-# CONFIG_SND_OPTI92X_CS4231 is not set
-# CONFIG_SND_OPTI93X is not set
-# CONFIG_SND_SB8 is not set
-# CONFIG_SND_SB16 is not set
-# CONFIG_SND_SBAWE is not set
-# CONFIG_SND_WAVEFRONT is not set
-# CONFIG_SND_CMI8330 is not set
-# CONFIG_SND_OPL3SA2 is not set
-# CONFIG_SND_SGALAXY is not set
-# CONFIG_SND_SSCAPE is not set
-
-#
-# PCI devices
-#
-CONFIG_SND_AC97_CODEC=m
-# CONFIG_SND_ALI5451 is not set
-# CONFIG_SND_ATIIXP is not set
-# CONFIG_SND_AU8810 is not set
-# CONFIG_SND_AU8820 is not set
-# CONFIG_SND_AU8830 is not set
-# CONFIG_SND_AZT3328 is not set
-# CONFIG_SND_BT87X is not set
-CONFIG_SND_CS46XX=m
-# CONFIG_SND_CS46XX_NEW_DSP is not set
-CONFIG_SND_CS4281=m
-# CONFIG_SND_EMU10K1 is not set
-# CONFIG_SND_KORG1212 is not set
-# CONFIG_SND_MIXART is not set
-# CONFIG_SND_NM256 is not set
-# CONFIG_SND_RME32 is not set
-# CONFIG_SND_RME96 is not set
-# CONFIG_SND_RME9652 is not set
-# CONFIG_SND_HDSP is not set
-# CONFIG_SND_TRIDENT is not set
-# CONFIG_SND_YMFPCI is not set
-# CONFIG_SND_ALS4000 is not set
-# CONFIG_SND_CMIPCI is not set
-# CONFIG_SND_ENS1370 is not set
-# CONFIG_SND_ENS1371 is not set
-# CONFIG_SND_ES1938 is not set
-# CONFIG_SND_ES1968 is not set
-# CONFIG_SND_MAESTRO3 is not set
-# CONFIG_SND_FM801 is not set
-# CONFIG_SND_ICE1712 is not set
-# CONFIG_SND_ICE1724 is not set
-# CONFIG_SND_INTEL8X0 is not set
-# CONFIG_SND_INTEL8X0M is not set
-# CONFIG_SND_SONICVIBES is not set
-# CONFIG_SND_VIA82XX is not set
-# CONFIG_SND_VX222 is not set
-
-#
-# ALSA PowerMac devices
-#
-# CONFIG_SND_POWERMAC is not set
-
-#
-# Open Sound System
-#
-# CONFIG_SOUND_PRIME is not set
-
-#
-# USB support
-#
-# CONFIG_USB is not set
-
-#
-# USB Gadget Support
-#
-# CONFIG_USB_GADGET is not set
-
-#
-# File systems
-#
-CONFIG_EXT2_FS=y
-# CONFIG_EXT2_FS_XATTR is not set
-# CONFIG_EXT3_FS is not set
-# CONFIG_JBD is not set
-# CONFIG_REISERFS_FS is not set
-# CONFIG_JFS_FS is not set
-# CONFIG_XFS_FS is not set
-# CONFIG_MINIX_FS is not set
-# CONFIG_ROMFS_FS is not set
-# CONFIG_QUOTA is not set
-# CONFIG_AUTOFS_FS is not set
-# CONFIG_AUTOFS4_FS is not set
-
-#
-# CD-ROM/DVD Filesystems
-#
-CONFIG_ISO9660_FS=y
-CONFIG_JOLIET=y
-# CONFIG_ZISOFS is not set
-# CONFIG_UDF_FS is not set
-
-#
-# DOS/FAT/NT Filesystems
-#
-CONFIG_FAT_FS=y
-CONFIG_MSDOS_FS=y
-CONFIG_VFAT_FS=y
-# CONFIG_NTFS_FS is not set
-
-#
-# Pseudo filesystems
-#
-CONFIG_PROC_FS=y
-CONFIG_PROC_KCORE=y
-CONFIG_SYSFS=y
-# CONFIG_DEVFS_FS is not set
-# CONFIG_DEVPTS_FS_XATTR is not set
-CONFIG_TMPFS=y
-# CONFIG_HUGETLB_PAGE is not set
-CONFIG_RAMFS=y
-
-#
-# Miscellaneous filesystems
-#
-# CONFIG_ADFS_FS is not set
-# CONFIG_AFFS_FS is not set
-# CONFIG_HFS_FS is not set
-# CONFIG_HFSPLUS_FS is not set
-# CONFIG_BEFS_FS is not set
-# CONFIG_BFS_FS is not set
-# CONFIG_EFS_FS is not set
-# CONFIG_CRAMFS is not set
-# CONFIG_VXFS_FS is not set
-# CONFIG_HPFS_FS is not set
-# CONFIG_QNX4FS_FS is not set
-# CONFIG_SYSV_FS is not set
-# CONFIG_UFS_FS is not set
-
-#
-# Network File Systems
-#
-CONFIG_NFS_FS=y
-# CONFIG_NFS_V3 is not set
-# CONFIG_NFS_V4 is not set
-# CONFIG_NFS_DIRECTIO is not set
-CONFIG_NFSD=y
-# CONFIG_NFSD_V3 is not set
-# CONFIG_NFSD_TCP is not set
-CONFIG_LOCKD=y
-CONFIG_EXPORTFS=y
-CONFIG_SUNRPC=y
-# CONFIG_RPCSEC_GSS_KRB5 is not set
-# CONFIG_SMB_FS is not set
-# CONFIG_CIFS is not set
-# CONFIG_NCP_FS is not set
-# CONFIG_CODA_FS is not set
-# CONFIG_AFS_FS is not set
-
-#
-# Partition Types
-#
-# CONFIG_PARTITION_ADVANCED is not set
-CONFIG_MSDOS_PARTITION=y
-
-#
-# Native Language Support
-#
-CONFIG_NLS=y
-CONFIG_NLS_DEFAULT="iso8859-1"
-CONFIG_NLS_CODEPAGE_437=y
-# CONFIG_NLS_CODEPAGE_737 is not set
-# CONFIG_NLS_CODEPAGE_775 is not set
-# CONFIG_NLS_CODEPAGE_850 is not set
-# CONFIG_NLS_CODEPAGE_852 is not set
-# CONFIG_NLS_CODEPAGE_855 is not set
-# CONFIG_NLS_CODEPAGE_857 is not set
-# CONFIG_NLS_CODEPAGE_860 is not set
-# CONFIG_NLS_CODEPAGE_861 is not set
-# CONFIG_NLS_CODEPAGE_862 is not set
-# CONFIG_NLS_CODEPAGE_863 is not set
-# CONFIG_NLS_CODEPAGE_864 is not set
-# CONFIG_NLS_CODEPAGE_865 is not set
-# CONFIG_NLS_CODEPAGE_866 is not set
-# CONFIG_NLS_CODEPAGE_869 is not set
-# CONFIG_NLS_CODEPAGE_936 is not set
-# CONFIG_NLS_CODEPAGE_950 is not set
-# CONFIG_NLS_CODEPAGE_932 is not set
-# CONFIG_NLS_CODEPAGE_949 is not set
-# CONFIG_NLS_CODEPAGE_874 is not set
-# CONFIG_NLS_ISO8859_8 is not set
-# CONFIG_NLS_CODEPAGE_1250 is not set
-# CONFIG_NLS_CODEPAGE_1251 is not set
-CONFIG_NLS_ISO8859_1=y
-# CONFIG_NLS_ISO8859_2 is not set
-# CONFIG_NLS_ISO8859_3 is not set
-# CONFIG_NLS_ISO8859_4 is not set
-# CONFIG_NLS_ISO8859_5 is not set
-# CONFIG_NLS_ISO8859_6 is not set
-# CONFIG_NLS_ISO8859_7 is not set
-# CONFIG_NLS_ISO8859_9 is not set
-# CONFIG_NLS_ISO8859_13 is not set
-# CONFIG_NLS_ISO8859_14 is not set
-# CONFIG_NLS_ISO8859_15 is not set
-# CONFIG_NLS_KOI8_R is not set
-# CONFIG_NLS_KOI8_U is not set
-# CONFIG_NLS_UTF8 is not set
-
-#
-# Library routines
-#
-CONFIG_CRC32=y
-# CONFIG_LIBCRC32C is not set
-CONFIG_ZLIB_INFLATE=m
-CONFIG_ZLIB_DEFLATE=m
-
-#
-# Kernel hacking
-#
-# CONFIG_DEBUG_KERNEL is not set
-CONFIG_BOOTX_TEXT=y
-
-#
-# Security options
-#
-# CONFIG_SECURITY is not set
-
-#
-# Cryptographic options
-#
-CONFIG_CRYPTO=y
-CONFIG_CRYPTO_HMAC=y
-CONFIG_CRYPTO_NULL=y
-CONFIG_CRYPTO_MD4=m
-CONFIG_CRYPTO_MD5=m
-CONFIG_CRYPTO_SHA1=m
-CONFIG_CRYPTO_SHA256=m
-CONFIG_CRYPTO_SHA512=m
-CONFIG_CRYPTO_DES=m
-CONFIG_CRYPTO_BLOWFISH=m
-CONFIG_CRYPTO_TWOFISH=m
-# CONFIG_CRYPTO_SERPENT is not set
-CONFIG_CRYPTO_AES=m
-CONFIG_CRYPTO_CAST5=m
-CONFIG_CRYPTO_CAST6=m
-CONFIG_CRYPTO_ARC4=m
-CONFIG_CRYPTO_DEFLATE=m
-CONFIG_CRYPTO_MICHAEL_MIC=m
-# CONFIG_CRYPTO_CRC32C is not set
-# CONFIG_CRYPTO_TEST is not set
diff --git a/arch/ppc/configs/common_defconfig b/arch/ppc/configs/prep_defconfig
index 4d33bee23a89..4d33bee23a89 100644
--- a/arch/ppc/configs/common_defconfig
+++ b/arch/ppc/configs/prep_defconfig
diff --git a/arch/ppc/kernel/Makefile b/arch/ppc/kernel/Makefile
index e399bbb969a4..466437f4bcbb 100644
--- a/arch/ppc/kernel/Makefile
+++ b/arch/ppc/kernel/Makefile
@@ -1,48 +1,24 @@
 #
 # Makefile for the linux kernel.
 #
-ifneq ($(CONFIG_PPC_MERGE),y)
-
 extra-$(CONFIG_PPC_STD_MMU)     := head.o
 extra-$(CONFIG_40x)             := head_4xx.o
 extra-$(CONFIG_44x)             := head_44x.o
 extra-$(CONFIG_FSL_BOOKE)       := head_fsl_booke.o
 extra-$(CONFIG_8xx)             := head_8xx.o
-extra-$(CONFIG_6xx)             += idle_6xx.o
 extra-y                         += vmlinux.lds
 
-obj-y                           := entry.o traps.o idle.o time.o misc.o \
+obj-y                           := entry.o traps.o time.o misc.o \
                                         setup.o \
                                         ppc_htab.o
-obj-$(CONFIG_6xx)               += l2cr.o cpu_setup_6xx.o
-obj-$(CONFIG_SOFTWARE_SUSPEND)  += swsusp.o
-obj-$(CONFIG_MODULES)           += module.o ppc_ksyms.o
+obj-$(CONFIG_MODULES)           += ppc_ksyms.o
 obj-$(CONFIG_NOT_COHERENT_CACHE)        += dma-mapping.o
 obj-$(CONFIG_PCI)               += pci.o
 obj-$(CONFIG_RAPIDIO)           += rio.o
 obj-$(CONFIG_KGDB)              += ppc-stub.o
 obj-$(CONFIG_SMP)               += smp.o smp-tbsync.o
-obj-$(CONFIG_TAU)               += temp.o
-ifndef CONFIG_E200
-obj-$(CONFIG_FSL_BOOKE)         += perfmon_fsl_booke.o
-endif
 obj-$(CONFIG_KEXEC)             += machine_kexec.o relocate_kernel.o
 
 ifndef CONFIG_MATH_EMULATION
 obj-$(CONFIG_8xx)               += softemu8xx.o
 endif
-
-# These are here while we do the architecture merge
-
-else
-obj-y                           := idle.o
-obj-$(CONFIG_6xx)               += l2cr.o cpu_setup_6xx.o
-obj-$(CONFIG_SOFTWARE_SUSPEND)  += swsusp.o
-obj-$(CONFIG_MODULES)           += module.o
-obj-$(CONFIG_NOT_COHERENT_CACHE)        += dma-mapping.o
-obj-$(CONFIG_KGDB)              += ppc-stub.o
-obj-$(CONFIG_TAU)               += temp.o
-ifndef CONFIG_E200
-obj-$(CONFIG_FSL_BOOKE)         += perfmon_fsl_booke.o
-endif
-endif
diff --git a/arch/ppc/kernel/entry.S b/arch/ppc/kernel/entry.S
index 3a2815978488..5891ecbdc703 100644
--- a/arch/ppc/kernel/entry.S
+++ b/arch/ppc/kernel/entry.S
@@ -135,10 +135,10 @@ transfer_to_handler:
         mfspr   r11,SPRN_HID0
         mtcr    r11
 BEGIN_FTR_SECTION
-        bt-     8,power_save_6xx_restore        /* Check DOZE */
+        bt-     8,4f                    /* Check DOZE */
 END_FTR_SECTION_IFSET(CPU_FTR_CAN_DOZE)
 BEGIN_FTR_SECTION
-        bt-     9,power_save_6xx_restore        /* Check NAP */
+        bt-     9,4f                    /* Check NAP */
 END_FTR_SECTION_IFSET(CPU_FTR_CAN_NAP)
 #endif /* CONFIG_6xx */
         .globl transfer_to_handler_cont
@@ -157,6 +157,10 @@ transfer_to_handler_cont:
         SYNC
         RFI                             /* jump to handler, enable MMU */
 
+#ifdef CONFIG_6xx
+4:      b       power_save_6xx_restore
+#endif
+
 /*
  * On kernel stack overflow, load up an initial stack pointer
  * and call StackOverflow(regs), which should not return.
@@ -926,55 +930,3 @@ END_FTR_SECTION_IFSET(CPU_FTR_601)
         b       4b
 
         .comm   ee_restarts,4
-
-/*
- * PROM code for specific machines follows.  Put it
- * here so it's easy to add arch-specific sections later.
- * -- Cort
- */
-#ifdef CONFIG_PPC_OF
-/*
- * On CHRP, the Run-Time Abstraction Services (RTAS) have to be
- * called with the MMU off.
- */
-_GLOBAL(enter_rtas)
-        stwu    r1,-INT_FRAME_SIZE(r1)
-        mflr    r0
-        stw     r0,INT_FRAME_SIZE+4(r1)
-        lis     r4,rtas_data@ha
-        lwz     r4,rtas_data@l(r4)
-        lis     r6,1f@ha        /* physical return address for rtas */
-        addi    r6,r6,1f@l
-        tophys(r6,r6)
-        tophys(r7,r1)
-        lis     r8,rtas_entry@ha
-        lwz     r8,rtas_entry@l(r8)
-        mfmsr   r9
-        stw     r9,8(r1)
-        LOAD_MSR_KERNEL(r0,MSR_KERNEL)
-        SYNC                    /* disable interrupts so SRR0/1 */
-        MTMSRD(r0)              /* don't get trashed */
-        li      r9,MSR_KERNEL & ~(MSR_IR|MSR_DR)
-        mtlr    r6
-        CLR_TOP32(r7)
-        mtspr   SPRN_SPRG2,r7
-        mtspr   SPRN_SRR0,r8
-        mtspr   SPRN_SRR1,r9
-        RFI
-1:      tophys(r9,r1)
-        lwz     r8,INT_FRAME_SIZE+4(r9) /* get return address */
-        lwz     r9,8(r9)        /* original msr value */
-        FIX_SRR1(r9,r0)
-        addi    r1,r1,INT_FRAME_SIZE
-        li      r0,0
-        mtspr   SPRN_SPRG2,r0
-        mtspr   SPRN_SRR0,r8
-        mtspr   SPRN_SRR1,r9
-        RFI                     /* return to caller */
-
-        .globl  machine_check_in_rtas
-machine_check_in_rtas:
-        twi     31,0,0
-        /* XXX load up BATs and panic */
-
-#endif /* CONFIG_PPC_OF */
diff --git a/arch/ppc/kernel/head.S b/arch/ppc/kernel/head.S
index 53ea845fb911..01303efeddad 100644
--- a/arch/ppc/kernel/head.S
+++ b/arch/ppc/kernel/head.S
@@ -37,19 +37,6 @@
 #include <asm/amigappc.h>
 #endif
 
-#ifdef CONFIG_PPC64BRIDGE
-#define LOAD_BAT(n, reg, RA, RB)        \
-        ld      RA,(n*32)+0(reg);       \
-        ld      RB,(n*32)+8(reg);       \
-        mtspr   SPRN_IBAT##n##U,RA;     \
-        mtspr   SPRN_IBAT##n##L,RB;     \
-        ld      RA,(n*32)+16(reg);      \
-        ld      RB,(n*32)+24(reg);      \
-        mtspr   SPRN_DBAT##n##U,RA;     \
-        mtspr   SPRN_DBAT##n##L,RB;     \
-
-#else /* CONFIG_PPC64BRIDGE */
-
 /* 601 only have IBAT; cr0.eq is set on 601 when using this macro */
 #define LOAD_BAT(n, reg, RA, RB)        \
         /* see the comment for clear_bats() -- Cort */ \
@@ -66,7 +53,6 @@
         mtspr   SPRN_DBAT##n##U,RA;     \
         mtspr   SPRN_DBAT##n##L,RB;     \
 1:
-#endif /* CONFIG_PPC64BRIDGE */
 
         .text
         .stabs  "arch/ppc/kernel/",N_SO,0,0,0f
@@ -129,11 +115,6 @@ _start:
 
         .globl  __start
 __start:
-/*
- * We have to do any OF calls before we map ourselves to KERNELBASE,
- * because OF may have I/O devices mapped into that area
- * (particularly on CHRP).
- */
         mr      r31,r3                  /* save parameters */
         mr      r30,r4
         mr      r29,r5
@@ -148,14 +129,6 @@ __start:
  */
         bl      early_init
 
-/*
- * On POWER4, we first need to tweak some CPU configuration registers
- * like real mode cache inhibit or exception base
- */
-#ifdef CONFIG_POWER4
-        bl      __970_cpu_preinit
-#endif /* CONFIG_POWER4 */
-
 #ifdef CONFIG_APUS
 /* On APUS the __va/__pa constants need to be set to the correct
  * values before continuing.
@@ -169,7 +142,6 @@ __start:
  */
         bl      mmu_off
 __after_mmu_off:
-#ifndef CONFIG_POWER4
         bl      clear_bats
         bl      flush_tlbs
 
@@ -177,10 +149,6 @@ __after_mmu_off:
 #if !defined(CONFIG_APUS) && defined(CONFIG_BOOTX_TEXT)
         bl      setup_disp_bat
 #endif
-#else /* CONFIG_POWER4 */
-        bl      reloc_offset
-        bl      initial_mm_power4
-#endif /* CONFIG_POWER4 */
 
 /*
  * Call setup_cpu for CPU 0 and initialize 6xx Idle
@@ -192,18 +160,11 @@ __after_mmu_off:
         bl      reloc_offset
         bl      init_idle_6xx
 #endif /* CONFIG_6xx */
-#ifdef CONFIG_POWER4
-        bl      reloc_offset
-        bl      init_idle_power4
-#endif /* CONFIG_POWER4 */
 
 
 #ifndef CONFIG_APUS
 /*
  * We need to run with _start at physical address 0.
- * On CHRP, we are loaded at 0x10000 since OF on CHRP uses
- * the exception vectors at 0 (and therefore this copy
- * overwrites OF's exception vectors with our own).
  * If the MMU is already turned on, we copy stuff to KERNELBASE,
  * otherwise we copy it to 0.
  */
@@ -358,51 +319,19 @@ i##n:								\
 #endif
 
 /* Machine check */
-/*
- * On CHRP, this is complicated by the fact that we could get a
- * machine check inside RTAS, and we have no guarantee that certain
- * critical registers will have the values we expect.  The set of
- * registers that might have bad values includes all the GPRs
- * and all the BATs.  We indicate that we are in RTAS by putting
- * a non-zero value, the address of the exception frame to use,
- * in SPRG2.  The machine check handler checks SPRG2 and uses its
- * value if it is non-zero.  If we ever needed to free up SPRG2,
- * we could use a field in the thread_info or thread_struct instead.
- * (Other exception handlers assume that r1 is a valid kernel stack
- * pointer when we take an exception from supervisor mode.)
- *      -- paulus.
- */
         . = 0x200
         mtspr   SPRN_SPRG0,r10
         mtspr   SPRN_SPRG1,r11
         mfcr    r10
-#ifdef CONFIG_PPC_CHRP
-        mfspr   r11,SPRN_SPRG2
-        cmpwi   0,r11,0
-        bne     7f
-#endif /* CONFIG_PPC_CHRP */
         EXCEPTION_PROLOG_1
 7:      EXCEPTION_PROLOG_2
         addi    r3,r1,STACK_FRAME_OVERHEAD
-#ifdef CONFIG_PPC_CHRP
-        mfspr   r4,SPRN_SPRG2
-        cmpwi   cr1,r4,0
-        bne     cr1,1f
-#endif
         EXC_XFER_STD(0x200, machine_check_exception)
-#ifdef CONFIG_PPC_CHRP
-1:      b       machine_check_in_rtas
-#endif
 
 /* Data access exception. */
         . = 0x300
-#ifdef CONFIG_PPC64BRIDGE
-        b       DataAccess
-DataAccessCont:
-#else
 DataAccess:
         EXCEPTION_PROLOG
-#endif /* CONFIG_PPC64BRIDGE */
         mfspr   r10,SPRN_DSISR
         andis.  r0,r10,0xa470           /* weird error? */
         bne     1f                      /* if not, try to put a PTE */
@@ -414,21 +343,10 @@ DataAccess:
         mfspr   r4,SPRN_DAR
         EXC_XFER_EE_LITE(0x300, handle_page_fault)
 
-#ifdef CONFIG_PPC64BRIDGE
-/* SLB fault on data access. */
-        . = 0x380
-        b       DataSegment
-#endif /* CONFIG_PPC64BRIDGE */
-
 /* Instruction access exception. */
         . = 0x400
-#ifdef CONFIG_PPC64BRIDGE
-        b       InstructionAccess
-InstructionAccessCont:
-#else
 InstructionAccess:
         EXCEPTION_PROLOG
-#endif /* CONFIG_PPC64BRIDGE */
         andis.  r0,r9,0x4000            /* no pte found? */
         beq     1f                      /* if so, try to put a PTE */
         li      r3,0                    /* into the hash table */
@@ -438,12 +356,6 @@ InstructionAccess:
         mr      r5,r9
         EXC_XFER_EE_LITE(0x400, handle_page_fault)
 
-#ifdef CONFIG_PPC64BRIDGE
-/* SLB fault on instruction access. */
-        . = 0x480
-        b       InstructionSegment
-#endif /* CONFIG_PPC64BRIDGE */
-
 /* External interrupt */
         EXCEPTION(0x500, HardwareInterrupt, do_IRQ, EXC_XFER_LITE)
 
@@ -708,15 +620,9 @@ DataStoreTLBMiss:
         EXCEPTION(0x1300, Trap_13, instruction_breakpoint_exception, EXC_XFER_EE)
         EXCEPTION(0x1400, SMI, SMIException, EXC_XFER_EE)
         EXCEPTION(0x1500, Trap_15, unknown_exception, EXC_XFER_EE)
-#ifdef CONFIG_POWER4
-        EXCEPTION(0x1600, Trap_16, unknown_exception, EXC_XFER_EE)
-        EXCEPTION(0x1700, Trap_17, altivec_assist_exception, EXC_XFER_EE)
-        EXCEPTION(0x1800, Trap_18, TAUException, EXC_XFER_STD)
-#else /* !CONFIG_POWER4 */
         EXCEPTION(0x1600, Trap_16, altivec_assist_exception, EXC_XFER_EE)
         EXCEPTION(0x1700, Trap_17, TAUException, EXC_XFER_STD)
         EXCEPTION(0x1800, Trap_18, unknown_exception, EXC_XFER_EE)
-#endif /* CONFIG_POWER4 */
         EXCEPTION(0x1900, Trap_19, unknown_exception, EXC_XFER_EE)
         EXCEPTION(0x1a00, Trap_1a, unknown_exception, EXC_XFER_EE)
         EXCEPTION(0x1b00, Trap_1b, unknown_exception, EXC_XFER_EE)
@@ -754,28 +660,6 @@ AltiVecUnavailable:
         addi    r3,r1,STACK_FRAME_OVERHEAD
         EXC_XFER_EE_LITE(0xf20, altivec_unavailable_exception)
 
-#ifdef CONFIG_PPC64BRIDGE
-DataAccess:
-        EXCEPTION_PROLOG
-        b       DataAccessCont
-
-InstructionAccess:
-        EXCEPTION_PROLOG
-        b       InstructionAccessCont
-
-DataSegment:
-        EXCEPTION_PROLOG
-        addi    r3,r1,STACK_FRAME_OVERHEAD
-        mfspr   r4,SPRN_DAR
-        stw     r4,_DAR(r11)
-        EXC_XFER_STD(0x380, unknown_exception)
-
-InstructionSegment:
-        EXCEPTION_PROLOG
-        addi    r3,r1,STACK_FRAME_OVERHEAD
-        EXC_XFER_STD(0x480, unknown_exception)
-#endif /* CONFIG_PPC64BRIDGE */
-
 #ifdef CONFIG_ALTIVEC
 /* Note that the AltiVec support is closely modeled after the FP
  * support.  Changes to one are likely to be applicable to the
@@ -1048,13 +932,6 @@ __secondary_start_pmac_0:
 
         .globl  __secondary_start
 __secondary_start:
-#ifdef CONFIG_PPC64BRIDGE
-        mfmsr   r0
-        clrldi  r0,r0,1                 /* make sure it's in 32-bit mode */
-        SYNC
-        MTMSRD(r0)
-        isync
-#endif
         /* Copy some CPU settings from CPU 0 */
         bl      __restore_cpu_setup
 
@@ -1065,10 +942,6 @@ __secondary_start:
         lis     r3,-KERNELBASE@h
         bl      init_idle_6xx
 #endif /* CONFIG_6xx */
-#ifdef CONFIG_POWER4
-        lis     r3,-KERNELBASE@h
-        bl      init_idle_power4
-#endif /* CONFIG_POWER4 */
 
         /* get current_thread_info and current */
         lis     r1,secondary_ti@ha
@@ -1109,12 +982,12 @@ __secondary_start:
  * Those generic dummy functions are kept for CPUs not
  * included in CONFIG_6xx
  */
-#if !defined(CONFIG_6xx) && !defined(CONFIG_POWER4)
+#if !defined(CONFIG_6xx)
 _GLOBAL(__save_cpu_setup)
         blr
 _GLOBAL(__restore_cpu_setup)
         blr
-#endif /* !defined(CONFIG_6xx) && !defined(CONFIG_POWER4) */
+#endif /* !defined(CONFIG_6xx) */
 
 
 /*
@@ -1132,11 +1005,6 @@ load_up_mmu:
         tophys(r6,r6)
         lwz     r6,_SDR1@l(r6)
         mtspr   SPRN_SDR1,r6
-#ifdef CONFIG_PPC64BRIDGE
-        /* clear the ASR so we only use the pseudo-segment registers. */
-        li      r6,0
-        mtasr   r6
-#endif /* CONFIG_PPC64BRIDGE */
         li      r0,16           /* load up segment register values */
         mtctr   r0              /* for context 0 */
         lis     r3,0x2000       /* Ku = 1, VSID = 0 */
@@ -1145,7 +1013,7 @@ load_up_mmu:
         addi    r3,r3,0x111     /* increment VSID */
         addis   r4,r4,0x1000    /* address of next segment */
         bdnz    3b
-#ifndef CONFIG_POWER4
+
 /* Load the BAT registers with the values set up by MMU_init.
    MMU_init takes care of whether we're on a 601 or not. */
         mfpvr   r3
@@ -1158,7 +1026,7 @@ load_up_mmu:
         LOAD_BAT(1,r3,r4,r5)
         LOAD_BAT(2,r3,r4,r5)
         LOAD_BAT(3,r3,r4,r5)
-#endif /* CONFIG_POWER4 */
+
         blr
 
 /*
@@ -1269,9 +1137,6 @@ _GLOBAL(set_context)
         li      r4,0
         isync
 3:
-#ifdef CONFIG_PPC64BRIDGE
-        slbie   r4
-#endif /* CONFIG_PPC64BRIDGE */
         mtsrin  r3,r4
         addi    r3,r3,0x111     /* next VSID */
         rlwinm  r3,r3,0,8,3     /* clear out any overflow from VSID field */
@@ -1358,7 +1223,6 @@ mmu_off:
         sync
         RFI
 
-#ifndef CONFIG_POWER4
 /*
  * Use the first pair of BAT registers to map the 1st 16MB
  * of RAM to KERNELBASE.  From this point on we can't safely
@@ -1366,7 +1230,6 @@ mmu_off:
  */
 initial_bats:
         lis     r11,KERNELBASE@h
-#ifndef CONFIG_PPC64BRIDGE
         mfspr   r9,SPRN_PVR
         rlwinm  r9,r9,16,16,31          /* r9 = 1 for 601, 4 for 604 */
         cmpwi   0,r9,1
@@ -1381,7 +1244,6 @@ initial_bats:
         mtspr   SPRN_IBAT1L,r10
         isync
         blr
-#endif /* CONFIG_PPC64BRIDGE */
 
 4:      tophys(r8,r11)
 #ifdef CONFIG_SMP
@@ -1395,11 +1257,6 @@ initial_bats:
         ori     r11,r11,BL_256M<<2|0x2  /* set up BAT registers for 604 */
 #endif /* CONFIG_APUS */
 
-#ifdef CONFIG_PPC64BRIDGE
-        /* clear out the high 32 bits in the BAT */
-        clrldi  r11,r11,32
-        clrldi  r8,r8,32
-#endif /* CONFIG_PPC64BRIDGE */
         mtspr   SPRN_DBAT0L,r8          /* N.B. 6xx (not 601) have valid */
         mtspr   SPRN_DBAT0U,r11         /* bit in upper BAT register */
         mtspr   SPRN_IBAT0L,r8
@@ -1432,38 +1289,6 @@ setup_disp_bat:
 
 #endif /* !defined(CONFIG_APUS) && defined(CONFIG_BOOTX_TEXT) */
 
-#else /* CONFIG_POWER4 */
-/*
- * Load up the SDR1 and segment register values now
- * since we don't have the BATs.
- * Also make sure we are running in 32-bit mode.
- */
-
-initial_mm_power4:
-        addis   r14,r3,_SDR1@ha         /* get the value from _SDR1 */
-        lwz     r14,_SDR1@l(r14)        /* assume hash table below 4GB */
-        mtspr   SPRN_SDR1,r14
-        slbia
-        lis     r4,0x2000               /* set pseudo-segment reg 12 */
-        ori     r5,r4,0x0ccc
-        mtsr    12,r5
-#if 0
-        ori     r5,r4,0x0888            /* set pseudo-segment reg 8 */
-        mtsr    8,r5                    /* (for access to serial port) */
-#endif
-#ifdef CONFIG_BOOTX_TEXT
-        ori     r5,r4,0x0999            /* set pseudo-segment reg 9 */
-        mtsr    9,r5                    /* (for access to screen) */
-#endif
-        mfmsr   r0
-        clrldi  r0,r0,1
-        sync
-        mtmsr   r0
-        isync
-        blr
-
-#endif /* CONFIG_POWER4 */
-
 #ifdef CONFIG_8260
 /* Jump into the system reset for the rom.
  * We first disable the MMU, and then jump to the ROM reset address.
diff --git a/arch/ppc/kernel/idle.c b/arch/ppc/kernel/idle.c
deleted file mode 100644
index 1be3ca5bae40..000000000000
--- a/arch/ppc/kernel/idle.c
+++ /dev/null
@@ -1,112 +0,0 @@
-/*
- * Idle daemon for PowerPC.  Idle daemon will handle any action
- * that needs to be taken when the system becomes idle.
- *
- * Written by Cort Dougan (cort@cs.nmt.edu).  Subsequently hacked
- * on by Tom Rini, Armin Kuster, Paul Mackerras and others.
- *
- * This program is free software; you can redistribute it and/or
- * modify it under the terms of the GNU General Public License
- * as published by the Free Software Foundation; either version
- * 2 of the License, or (at your option) any later version.
- */
-#include <linux/config.h>
-#include <linux/errno.h>
-#include <linux/sched.h>
-#include <linux/kernel.h>
-#include <linux/mm.h>
-#include <linux/smp.h>
-#include <linux/smp_lock.h>
-#include <linux/stddef.h>
-#include <linux/unistd.h>
-#include <linux/ptrace.h>
-#include <linux/slab.h>
-#include <linux/sysctl.h>
-#include <linux/cpu.h>
-
-#include <asm/pgtable.h>
-#include <asm/uaccess.h>
-#include <asm/system.h>
-#include <asm/io.h>
-#include <asm/mmu.h>
-#include <asm/cache.h>
-#include <asm/cputable.h>
-#include <asm/machdep.h>
-#include <asm/smp.h>
-
-void default_idle(void)
-{
-        void (*powersave)(void);
-
-        powersave = ppc_md.power_save;
-
-        if (!need_resched()) {
-                if (powersave != NULL)
-                        powersave();
-#ifdef CONFIG_SMP
-                else {
-                        set_thread_flag(TIF_POLLING_NRFLAG);
-                        while (!need_resched() &&
-                                        !cpu_is_offline(smp_processor_id()))
-                                barrier();
-                        clear_thread_flag(TIF_POLLING_NRFLAG);
-                }
-#endif
-        }
-}
-
-/*
- * The body of the idle task.
- */
-void cpu_idle(void)
-{
-        int cpu = smp_processor_id();
-
-        for (;;) {
-                while (!need_resched()) {
-                        if (ppc_md.idle != NULL)
-                                ppc_md.idle();
-                        else
-                                default_idle();
-                }
-
-                if (cpu_is_offline(cpu) && system_state == SYSTEM_RUNNING)
-                        cpu_die();
-                preempt_enable_no_resched();
-                schedule();
-                preempt_disable();
-        }
-}
-
-#if defined(CONFIG_SYSCTL) && defined(CONFIG_6xx)
-/*
- * Register the sysctl to set/clear powersave_nap.
- */
-extern int powersave_nap;
-
-static ctl_table powersave_nap_ctl_table[]={
-        {
-                .ctl_name       = KERN_PPC_POWERSAVE_NAP,
-                .procname       = "powersave-nap",
-                .data           = &powersave_nap,
-                .maxlen         = sizeof(int),
-                .mode           = 0644,
-                .proc_handler   = &proc_dointvec,
-        },
-        { 0, },
-};
-static ctl_table powersave_nap_sysctl_root[] = {
-        { 1, "kernel", NULL, 0, 0755, powersave_nap_ctl_table, },
-        { 0,},
-};
-
-static int __init
-register_powersave_nap_sysctl(void)
-{
-        register_sysctl_table(powersave_nap_sysctl_root, 0);
-
-        return 0;
-}
-
-__initcall(register_powersave_nap_sysctl);
-#endif
diff --git a/arch/ppc/kernel/idle_6xx.S b/arch/ppc/kernel/idle_6xx.S
deleted file mode 100644
index 1a2194cf6828..000000000000
--- a/arch/ppc/kernel/idle_6xx.S
+++ /dev/null
@@ -1,233 +0,0 @@
-/*
- *  This file contains the power_save function for 6xx & 7xxx CPUs
- *  rewritten in assembler
- *
- *  Warning ! This code assumes that if your machine has a 750fx
- *  it will have PLL 1 set to low speed mode (used during NAP/DOZE).
- *  if this is not the case some additional changes will have to
- *  be done to check a runtime var (a bit like powersave-nap)
- *
- *  This program is free software; you can redistribute it and/or
- *  modify it under the terms of the GNU General Public License
- *  as published by the Free Software Foundation; either version
- *  2 of the License, or (at your option) any later version.
- */
-
-#include <linux/config.h>
-#include <linux/threads.h>
-#include <asm/processor.h>
-#include <asm/page.h>
-#include <asm/cputable.h>
-#include <asm/thread_info.h>
-#include <asm/ppc_asm.h>
-#include <asm/asm-offsets.h>
-
-#undef DEBUG
-
-        .text
-
-/*
- * Init idle, called at early CPU setup time from head.S for each CPU
- * Make sure no rest of NAP mode remains in HID0, save default
- * values for some CPU specific registers. Called with r24
- * containing CPU number and r3 reloc offset
- */
-_GLOBAL(init_idle_6xx)
-BEGIN_FTR_SECTION
-        mfspr   r4,SPRN_HID0
-        rlwinm  r4,r4,0,10,8    /* Clear NAP */
-        mtspr   SPRN_HID0, r4
-        b       1f
-END_FTR_SECTION_IFSET(CPU_FTR_CAN_NAP)
-        blr
-1:
-        slwi    r5,r24,2
-        add     r5,r5,r3
-BEGIN_FTR_SECTION
-        mfspr   r4,SPRN_MSSCR0
-        addis   r6,r5, nap_save_msscr0@ha
-        stw     r4,nap_save_msscr0@l(r6)
-END_FTR_SECTION_IFSET(CPU_FTR_NAP_DISABLE_L2_PR)
-BEGIN_FTR_SECTION
-        mfspr   r4,SPRN_HID1
-        addis   r6,r5,nap_save_hid1@ha
-        stw     r4,nap_save_hid1@l(r6)
-END_FTR_SECTION_IFSET(CPU_FTR_DUAL_PLL_750FX)
-        blr
-
-/*
- * Here is the power_save_6xx function. This could eventually be
- * split into several functions & changing the function pointer
- * depending on the various features.
- */
-_GLOBAL(ppc6xx_idle)
-        /* Check if we can nap or doze, put HID0 mask in r3
-         */
-        lis     r3, 0
-BEGIN_FTR_SECTION
-        lis     r3,HID0_DOZE@h
-END_FTR_SECTION_IFSET(CPU_FTR_CAN_DOZE)
-BEGIN_FTR_SECTION
-        /* We must dynamically check for the NAP feature as it
-         * can be cleared by CPU init after the fixups are done
-         */
-        lis     r4,cur_cpu_spec@ha
-        lwz     r4,cur_cpu_spec@l(r4)
-        lwz     r4,CPU_SPEC_FEATURES(r4)
-        andi.   r0,r4,CPU_FTR_CAN_NAP
-        beq     1f
-        /* Now check if user or arch enabled NAP mode */
-        lis     r4,powersave_nap@ha
-        lwz     r4,powersave_nap@l(r4)
-        cmpwi   0,r4,0
-        beq     1f
-        lis     r3,HID0_NAP@h
-1:      
-END_FTR_SECTION_IFSET(CPU_FTR_CAN_NAP)
-        cmpwi   0,r3,0
-        beqlr
-
-        /* Clear MSR:EE */
-        mfmsr   r7
-        rlwinm  r0,r7,0,17,15
-        mtmsr   r0
-
-        /* Check current_thread_info()->flags */
-        rlwinm  r4,r1,0,0,18
-        lwz     r4,TI_FLAGS(r4)
-        andi.   r0,r4,_TIF_NEED_RESCHED
-        beq     1f
-        mtmsr   r7      /* out of line this ? */
-        blr
-1:      
-        /* Some pre-nap cleanups needed on some CPUs */
-        andis.  r0,r3,HID0_NAP@h
-        beq     2f
-BEGIN_FTR_SECTION
-        /* Disable L2 prefetch on some 745x and try to ensure
-         * L2 prefetch engines are idle. As explained by errata
-         * text, we can't be sure they are, we just hope very hard
-         * that well be enough (sic !). At least I noticed Apple
-         * doesn't even bother doing the dcbf's here...
-         */
-        mfspr   r4,SPRN_MSSCR0
-        rlwinm  r4,r4,0,0,29
-        sync
-        mtspr   SPRN_MSSCR0,r4
-        sync
-        isync
-        lis     r4,KERNELBASE@h
-        dcbf    0,r4
-        dcbf    0,r4
-        dcbf    0,r4
-        dcbf    0,r4
-END_FTR_SECTION_IFSET(CPU_FTR_NAP_DISABLE_L2_PR)
-#ifdef DEBUG
-        lis     r6,nap_enter_count@ha
-        lwz     r4,nap_enter_count@l(r6)
-        addi    r4,r4,1
-        stw     r4,nap_enter_count@l(r6)
-#endif  
-2:
-BEGIN_FTR_SECTION
-        /* Go to low speed mode on some 750FX */
-        lis     r4,powersave_lowspeed@ha
-        lwz     r4,powersave_lowspeed@l(r4)
-        cmpwi   0,r4,0
-        beq     1f
-        mfspr   r4,SPRN_HID1
-        oris    r4,r4,0x0001
-        mtspr   SPRN_HID1,r4
-1:      
-END_FTR_SECTION_IFSET(CPU_FTR_DUAL_PLL_750FX)
-
-        /* Go to NAP or DOZE now */     
-        mfspr   r4,SPRN_HID0
-        lis     r5,(HID0_NAP|HID0_SLEEP)@h
-BEGIN_FTR_SECTION
-        oris    r5,r5,HID0_DOZE@h
-END_FTR_SECTION_IFSET(CPU_FTR_CAN_DOZE)
-        andc    r4,r4,r5
-        or      r4,r4,r3
-BEGIN_FTR_SECTION
-        oris    r4,r4,HID0_DPM@h        /* that should be done once for all  */
-END_FTR_SECTION_IFCLR(CPU_FTR_NO_DPM)
-        mtspr   SPRN_HID0,r4
-BEGIN_FTR_SECTION
-        DSSALL
-        sync
-END_FTR_SECTION_IFSET(CPU_FTR_ALTIVEC)
-        ori     r7,r7,MSR_EE /* Could be ommited (already set) */
-        oris    r7,r7,MSR_POW@h
-        sync
-        isync
-        mtmsr   r7
-        isync
-        sync
-        blr
-        
-/*
- * Return from NAP/DOZE mode, restore some CPU specific registers,
- * we are called with DR/IR still off and r2 containing physical
- * address of current.
- */
-_GLOBAL(power_save_6xx_restore)
-        mfspr   r11,SPRN_HID0
-        rlwinm. r11,r11,0,10,8  /* Clear NAP & copy NAP bit !state to cr1 EQ */
-        cror    4*cr1+eq,4*cr0+eq,4*cr0+eq
-BEGIN_FTR_SECTION
-        rlwinm  r11,r11,0,9,7   /* Clear DOZE */
-END_FTR_SECTION_IFSET(CPU_FTR_CAN_DOZE)
-        mtspr   SPRN_HID0, r11
-
-#ifdef DEBUG
-        beq     cr1,1f
-        lis     r11,(nap_return_count-KERNELBASE)@ha
-        lwz     r9,nap_return_count@l(r11)
-        addi    r9,r9,1
-        stw     r9,nap_return_count@l(r11)
-1:
-#endif
-        
-        rlwinm  r9,r1,0,0,18
-        tophys(r9,r9)
-        lwz     r11,TI_CPU(r9)
-        slwi    r11,r11,2
-        /* Todo make sure all these are in the same page
-         * and load r22 (@ha part + CPU offset) only once
-         */
-BEGIN_FTR_SECTION
-        beq     cr1,1f
-        addis   r9,r11,(nap_save_msscr0-KERNELBASE)@ha
-        lwz     r9,nap_save_msscr0@l(r9)
-        mtspr   SPRN_MSSCR0, r9
-        sync
-        isync
-1:
-END_FTR_SECTION_IFSET(CPU_FTR_NAP_DISABLE_L2_PR)
-BEGIN_FTR_SECTION
-        addis   r9,r11,(nap_save_hid1-KERNELBASE)@ha
-        lwz     r9,nap_save_hid1@l(r9)
-        mtspr   SPRN_HID1, r9
-END_FTR_SECTION_IFSET(CPU_FTR_DUAL_PLL_750FX)
-        b       transfer_to_handler_cont
-
-        .data
-
-_GLOBAL(nap_save_msscr0)
-        .space  4*NR_CPUS
-
-_GLOBAL(nap_save_hid1)
-        .space  4*NR_CPUS
-
-_GLOBAL(powersave_nap)
-        .long   0
-_GLOBAL(powersave_lowspeed)
-        .long   0
-
-#ifdef DEBUG
-_GLOBAL(nap_enter_count)
-        .space  4
-_GLOBAL(nap_return_count)
-        .space  4
-#endif
diff --git a/arch/ppc/kernel/idle_power4.S b/arch/ppc/kernel/idle_power4.S
deleted file mode 100644
index cc0d535365cd..000000000000
--- a/arch/ppc/kernel/idle_power4.S
+++ /dev/null
@@ -1,91 +0,0 @@
-/*
- *  This file contains the power_save function for 6xx & 7xxx CPUs
- *  rewritten in assembler
- *
- *  Warning ! This code assumes that if your machine has a 750fx
- *  it will have PLL 1 set to low speed mode (used during NAP/DOZE).
- *  if this is not the case some additional changes will have to
- *  be done to check a runtime var (a bit like powersave-nap)
- *
- *  This program is free software; you can redistribute it and/or
- *  modify it under the terms of the GNU General Public License
- *  as published by the Free Software Foundation; either version
- *  2 of the License, or (at your option) any later version.
- */
-
-#include <linux/config.h>
-#include <linux/threads.h>
-#include <asm/processor.h>
-#include <asm/page.h>
-#include <asm/cputable.h>
-#include <asm/thread_info.h>
-#include <asm/ppc_asm.h>
-#include <asm/asm-offsets.h>
-
-#undef DEBUG
-
-        .text
-
-/*
- * Init idle, called at early CPU setup time from head.S for each CPU
- * So nothing for now. Called with r24 containing CPU number and r3
- * reloc offset
- */
-        .globl  init_idle_power4
-init_idle_power4:
-        blr
-
-/*
- * Here is the power_save_6xx function. This could eventually be
- * split into several functions & changing the function pointer
- * depending on the various features.
- */
-        .globl  power4_idle
-power4_idle:
-BEGIN_FTR_SECTION
-        blr
-END_FTR_SECTION_IFCLR(CPU_FTR_CAN_NAP)
-        /* We must dynamically check for the NAP feature as it
-         * can be cleared by CPU init after the fixups are done
-         */
-        lis     r4,cur_cpu_spec@ha
-        lwz     r4,cur_cpu_spec@l(r4)
-        lwz     r4,CPU_SPEC_FEATURES(r4)
-        andi.   r0,r4,CPU_FTR_CAN_NAP
-        beqlr
-        /* Now check if user or arch enabled NAP mode */
-        lis     r4,powersave_nap@ha
-        lwz     r4,powersave_nap@l(r4)
-        cmpwi   0,r4,0
-        beqlr
-
-        /* Clear MSR:EE */
-        mfmsr   r7
-        rlwinm  r0,r7,0,17,15
-        mtmsr   r0
-
-        /* Check current_thread_info()->flags */
-        rlwinm  r4,r1,0,0,18
-        lwz     r4,TI_FLAGS(r4)
-        andi.   r0,r4,_TIF_NEED_RESCHED
-        beq     1f
-        mtmsr   r7      /* out of line this ? */
-        blr
-1:      
-        /* Go to NAP now */     
-BEGIN_FTR_SECTION
-        DSSALL
-        sync
-END_FTR_SECTION_IFSET(CPU_FTR_ALTIVEC)
-        ori     r7,r7,MSR_EE /* Could be ommited (already set) */
-        oris    r7,r7,MSR_POW@h
-        sync
-        isync
-        mtmsr   r7
-        isync
-        sync
-        blr
-        
-        .globl powersave_nap
-powersave_nap:
-        .long   0
diff --git a/arch/ppc/kernel/pci.c b/arch/ppc/kernel/pci.c
index 04d04c5bfdd0..809673a36f7a 100644
--- a/arch/ppc/kernel/pci.c
+++ b/arch/ppc/kernel/pci.c
@@ -46,9 +46,6 @@ static void pcibios_fixup_resources(struct pci_dev* dev);
 static void fixup_broken_pcnet32(struct pci_dev* dev);
 static int reparent_resources(struct resource *parent, struct resource *res);
 static void fixup_cpc710_pci64(struct pci_dev* dev);
-#ifdef CONFIG_PPC_OF
-static u8* pci_to_OF_bus_map;
-#endif
 
 /* By default, we don't re-assign bus numbers.
  */
@@ -625,406 +622,13 @@ pcibios_alloc_controller(void)
         return hose;
 }
 
-#ifdef CONFIG_PPC_OF
-/*
- * Functions below are used on OpenFirmware machines.
- */
-static void
-make_one_node_map(struct device_node* node, u8 pci_bus)
-{
-        int *bus_range;
-        int len;
-
-        if (pci_bus >= pci_bus_count)
-                return;
-        bus_range = (int *) get_property(node, "bus-range", &len);
-        if (bus_range == NULL || len < 2 * sizeof(int)) {
-                printk(KERN_WARNING "Can't get bus-range for %s, "
-                       "assuming it starts at 0\n", node->full_name);
-                pci_to_OF_bus_map[pci_bus] = 0;
-        } else
-                pci_to_OF_bus_map[pci_bus] = bus_range[0];
-
-        for (node=node->child; node != 0;node = node->sibling) {
-                struct pci_dev* dev;
-                unsigned int *class_code, *reg;
-        
-                class_code = (unsigned int *) get_property(node, "class-code", NULL);
-                if (!class_code || ((*class_code >> 8) != PCI_CLASS_BRIDGE_PCI &&
-                        (*class_code >> 8) != PCI_CLASS_BRIDGE_CARDBUS))
-                        continue;
-                reg = (unsigned int *)get_property(node, "reg", NULL);
-                if (!reg)
-                        continue;
-                dev = pci_find_slot(pci_bus, ((reg[0] >> 8) & 0xff));
-                if (!dev || !dev->subordinate)
-                        continue;
-                make_one_node_map(node, dev->subordinate->number);
-        }
-}
-        
-void
-pcibios_make_OF_bus_map(void)
-{
-        int i;
-        struct pci_controller* hose;
-        u8* of_prop_map;
-
-        pci_to_OF_bus_map = (u8*)kmalloc(pci_bus_count, GFP_KERNEL);
-        if (!pci_to_OF_bus_map) {
-                printk(KERN_ERR "Can't allocate OF bus map !\n");
-                return;
-        }
-
-        /* We fill the bus map with invalid values, that helps
-         * debugging.
-         */
-        for (i=0; i<pci_bus_count; i++)
-                pci_to_OF_bus_map[i] = 0xff;
-
-        /* For each hose, we begin searching bridges */
-        for(hose=hose_head; hose; hose=hose->next) {
-                struct device_node* node;       
-                node = (struct device_node *)hose->arch_data;
-                if (!node)
-                        continue;
-                make_one_node_map(node, hose->first_busno);
-        }
-        of_prop_map = get_property(find_path_device("/"), "pci-OF-bus-map", NULL);
-        if (of_prop_map)
-                memcpy(of_prop_map, pci_to_OF_bus_map, pci_bus_count);
-#ifdef DEBUG
-        printk("PCI->OF bus map:\n");
-        for (i=0; i<pci_bus_count; i++) {
-                if (pci_to_OF_bus_map[i] == 0xff)
-                        continue;
-                printk("%d -> %d\n", i, pci_to_OF_bus_map[i]);
-        }
-#endif
-}
-
-typedef int (*pci_OF_scan_iterator)(struct device_node* node, void* data);
-
-static struct device_node*
-scan_OF_pci_childs(struct device_node* node, pci_OF_scan_iterator filter, void* data)
-{
-        struct device_node* sub_node;
-
-        for (; node != 0;node = node->sibling) {
-                unsigned int *class_code;
-        
-                if (filter(node, data))
-                        return node;
-
-                /* For PCI<->PCI bridges or CardBus bridges, we go down
-                 * Note: some OFs create a parent node "multifunc-device" as
-                 * a fake root for all functions of a multi-function device,
-                 * we go down them as well.
-                 */
-                class_code = (unsigned int *) get_property(node, "class-code", NULL);
-                if ((!class_code || ((*class_code >> 8) != PCI_CLASS_BRIDGE_PCI &&
-                        (*class_code >> 8) != PCI_CLASS_BRIDGE_CARDBUS)) &&
-                        strcmp(node->name, "multifunc-device"))
-                        continue;
-                sub_node = scan_OF_pci_childs(node->child, filter, data);
-                if (sub_node)
-                        return sub_node;
-        }
-        return NULL;
-}
-
-static int
-scan_OF_pci_childs_iterator(struct device_node* node, void* data)
-{
-        unsigned int *reg;
-        u8* fdata = (u8*)data;
-        
-        reg = (unsigned int *) get_property(node, "reg", NULL);
-        if (reg && ((reg[0] >> 8) & 0xff) == fdata[1]
-                && ((reg[0] >> 16) & 0xff) == fdata[0])
-                return 1;
-        return 0;
-}
-
-static struct device_node*
-scan_OF_childs_for_device(struct device_node* node, u8 bus, u8 dev_fn)
-{
-        u8 filter_data[2] = {bus, dev_fn};
-
-        return scan_OF_pci_childs(node, scan_OF_pci_childs_iterator, filter_data);
-}
-
-/*
- * Scans the OF tree for a device node matching a PCI device
- */
-struct device_node *
-pci_busdev_to_OF_node(struct pci_bus *bus, int devfn)
-{
-        struct pci_controller *hose;
-        struct device_node *node;
-        int busnr;
-
-        if (!have_of)
-                return NULL;
-        
-        /* Lookup the hose */
-        busnr = bus->number;
-        hose = pci_bus_to_hose(busnr);
-        if (!hose)
-                return NULL;
-
-        /* Check it has an OF node associated */
-        node = (struct device_node *) hose->arch_data;
-        if (!node)
-                return NULL;
-
-        /* Fixup bus number according to what OF think it is. */
-        if (pci_to_OF_bus_map)
-                busnr = pci_to_OF_bus_map[busnr];
-        if (busnr == 0xff)
-                return NULL;
-        
-        /* Now, lookup childs of the hose */
-        return scan_OF_childs_for_device(node->child, busnr, devfn);
-}
-EXPORT_SYMBOL(pci_busdev_to_OF_node);
-
-struct device_node*
-pci_device_to_OF_node(struct pci_dev *dev)
-{
-        return pci_busdev_to_OF_node(dev->bus, dev->devfn);
-}
-EXPORT_SYMBOL(pci_device_to_OF_node);
-
-/* This routine is meant to be used early during boot, when the
- * PCI bus numbers have not yet been assigned, and you need to
- * issue PCI config cycles to an OF device.
- * It could also be used to "fix" RTAS config cycles if you want
- * to set pci_assign_all_buses to 1 and still use RTAS for PCI
- * config cycles.
- */
-struct pci_controller* pci_find_hose_for_OF_device(struct device_node* node)
-{
-        if (!have_of)
-                return NULL;
-        while(node) {
-                struct pci_controller* hose;
-                for (hose=hose_head;hose;hose=hose->next)
-                        if (hose->arch_data == node)
-                                return hose;
-                node=node->parent;
-        }
-        return NULL;
-}
-
-static int
-find_OF_pci_device_filter(struct device_node* node, void* data)
-{
-        return ((void *)node == data);
-}
-
-/*
- * Returns the PCI device matching a given OF node
- */
-int
-pci_device_from_OF_node(struct device_node* node, u8* bus, u8* devfn)
-{
-        unsigned int *reg;
-        struct pci_controller* hose;
-        struct pci_dev* dev = NULL;
-        
-        if (!have_of)
-                return -ENODEV;
-        /* Make sure it's really a PCI device */
-        hose = pci_find_hose_for_OF_device(node);
-        if (!hose || !hose->arch_data)
-                return -ENODEV;
-        if (!scan_OF_pci_childs(((struct device_node*)hose->arch_data)->child,
-                        find_OF_pci_device_filter, (void *)node))
-                return -ENODEV;
-        reg = (unsigned int *) get_property(node, "reg", NULL);
-        if (!reg)
-                return -ENODEV;
-        *bus = (reg[0] >> 16) & 0xff;
-        *devfn = ((reg[0] >> 8) & 0xff);
-
-        /* Ok, here we need some tweak. If we have already renumbered
-         * all busses, we can't rely on the OF bus number any more.
-         * the pci_to_OF_bus_map is not enough as several PCI busses
-         * may match the same OF bus number.
-         */
-        if (!pci_to_OF_bus_map)
-                return 0;
-
-        for_each_pci_dev(dev)
-                if (pci_to_OF_bus_map[dev->bus->number] == *bus &&
-                                dev->devfn == *devfn) {
-                        *bus = dev->bus->number;
-                        pci_dev_put(dev);
-                        return 0;
-                }
-
-        return -ENODEV;
-}
-EXPORT_SYMBOL(pci_device_from_OF_node);
-
-void __init
-pci_process_bridge_OF_ranges(struct pci_controller *hose,
-                           struct device_node *dev, int primary)
-{
-        static unsigned int static_lc_ranges[256] __initdata;
-        unsigned int *dt_ranges, *lc_ranges, *ranges, *prev;
-        unsigned int size;
-        int rlen = 0, orig_rlen;
-        int memno = 0;
-        struct resource *res;
-        int np, na = prom_n_addr_cells(dev);
-        np = na + 5;
-
-        /* First we try to merge ranges to fix a problem with some pmacs
-         * that can have more than 3 ranges, fortunately using contiguous
-         * addresses -- BenH
-         */
-        dt_ranges = (unsigned int *) get_property(dev, "ranges", &rlen);
-        if (!dt_ranges)
-                return;
-        /* Sanity check, though hopefully that never happens */
-        if (rlen > sizeof(static_lc_ranges)) {
-                printk(KERN_WARNING "OF ranges property too large !\n");
-                rlen = sizeof(static_lc_ranges);
-        }
-        lc_ranges = static_lc_ranges;
-        memcpy(lc_ranges, dt_ranges, rlen);
-        orig_rlen = rlen;
-
-        /* Let's work on a copy of the "ranges" property instead of damaging
-         * the device-tree image in memory
-         */
-        ranges = lc_ranges;
-        prev = NULL;
-        while ((rlen -= np * sizeof(unsigned int)) >= 0) {
-                if (prev) {
-                        if (prev[0] == ranges[0] && prev[1] == ranges[1] &&
-                                (prev[2] + prev[na+4]) == ranges[2] &&
-                                (prev[na+2] + prev[na+4]) == ranges[na+2]) {
-                                prev[na+4] += ranges[na+4];
-                                ranges[0] = 0;
-                                ranges += np;
-                                continue;
-                        }
-                }
-                prev = ranges;
-                ranges += np;
-        }
-
-        /*
-         * The ranges property is laid out as an array of elements,
-         * each of which comprises:
-         *   cells 0 - 2:       a PCI address
-         *   cells 3 or 3+4:    a CPU physical address
-         *                      (size depending on dev->n_addr_cells)
-         *   cells 4+5 or 5+6:  the size of the range
-         */
-        ranges = lc_ranges;
-        rlen = orig_rlen;
-        while (ranges && (rlen -= np * sizeof(unsigned int)) >= 0) {
-                res = NULL;
-                size = ranges[na+4];
-                switch ((ranges[0] >> 24) & 0x3) {
-                case 1:         /* I/O space */
-                        if (ranges[2] != 0)
-                                break;
-                        hose->io_base_phys = ranges[na+2];
-                        /* limit I/O space to 16MB */
-                        if (size > 0x01000000)
-                                size = 0x01000000;
-                        hose->io_base_virt = ioremap(ranges[na+2], size);
-                        if (primary)
-                                isa_io_base = (unsigned long) hose->io_base_virt;
-                        res = &hose->io_resource;
-                        res->flags = IORESOURCE_IO;
-                        res->start = ranges[2];
-                        DBG("PCI: IO 0x%lx -> 0x%lx\n",
-                                    res->start, res->start + size - 1);
-                        break;
-                case 2:         /* memory space */
-                        memno = 0;
-                        if (ranges[1] == 0 && ranges[2] == 0
-                            && ranges[na+4] <= (16 << 20)) {
-                                /* 1st 16MB, i.e. ISA memory area */
-                                if (primary)
-                                        isa_mem_base = ranges[na+2];
-                                memno = 1;
-                        }
-                        while (memno < 3 && hose->mem_resources[memno].flags)
-                                ++memno;
-                        if (memno == 0)
-                                hose->pci_mem_offset = ranges[na+2] - ranges[2];
-                        if (memno < 3) {
-                                res = &hose->mem_resources[memno];
-                                res->flags = IORESOURCE_MEM;
-                                if(ranges[0] & 0x40000000)
-                                        res->flags |= IORESOURCE_PREFETCH;
-                                res->start = ranges[na+2];
-                                DBG("PCI: MEM[%d] 0x%lx -> 0x%lx\n", memno,
-                                            res->start, res->start + size - 1);
-                        }
-                        break;
-                }
-                if (res != NULL) {
-                        res->name = dev->full_name;
-                        res->end = res->start + size - 1;
-                        res->parent = NULL;
-                        res->sibling = NULL;
-                        res->child = NULL;
-                }
-                ranges += np;
-        }
-}
-
-/* We create the "pci-OF-bus-map" property now so it appears in the
- * /proc device tree
- */
-void __init
-pci_create_OF_bus_map(void)
-{
-        struct property* of_prop;
-        
-        of_prop = (struct property*) alloc_bootmem(sizeof(struct property) + 256);
-        if (of_prop && find_path_device("/")) {
-                memset(of_prop, -1, sizeof(struct property) + 256);
-                of_prop->name = "pci-OF-bus-map";
-                of_prop->length = 256;
-                of_prop->value = (unsigned char *)&of_prop[1];
-                prom_add_property(find_path_device("/"), of_prop);
-        }
-}
-
-static ssize_t pci_show_devspec(struct device *dev, struct device_attribute *attr, char *buf)
-{
-        struct pci_dev *pdev;
-        struct device_node *np;
-
-        pdev = to_pci_dev (dev);
-        np = pci_device_to_OF_node(pdev);
-        if (np == NULL || np->full_name == NULL)
-                return 0;
-        return sprintf(buf, "%s", np->full_name);
-}
-static DEVICE_ATTR(devspec, S_IRUGO, pci_show_devspec, NULL);
-
-#else /* CONFIG_PPC_OF */
 void pcibios_make_OF_bus_map(void)
 {
 }
-#endif /* CONFIG_PPC_OF */
 
 /* Add sysfs properties */
 void pcibios_add_platform_entries(struct pci_dev *pdev)
 {
-#ifdef CONFIG_PPC_OF
-        device_create_file(&pdev->dev, &dev_attr_devspec);
-#endif /* CONFIG_PPC_OF */
 }
 
 
diff --git a/arch/ppc/kernel/ppc_htab.c b/arch/ppc/kernel/ppc_htab.c
index 9b84bffdefce..75c645043746 100644
--- a/arch/ppc/kernel/ppc_htab.c
+++ b/arch/ppc/kernel/ppc_htab.c
@@ -104,7 +104,7 @@ static char *pmc2_lookup(unsigned long mmcr0)
 static int ppc_htab_show(struct seq_file *m, void *v)
 {
         unsigned long mmcr0 = 0, pmc1 = 0, pmc2 = 0;
-#if defined(CONFIG_PPC_STD_MMU) && !defined(CONFIG_PPC64BRIDGE)
+#if defined(CONFIG_PPC_STD_MMU)
         unsigned int kptes = 0, uptes = 0;
         PTE *ptr;
 #endif /* CONFIG_PPC_STD_MMU */
@@ -133,7 +133,6 @@ static int ppc_htab_show(struct seq_file *m, void *v)
                 return 0;
         }
 
-#ifndef CONFIG_PPC64BRIDGE
         for (ptr = Hash; ptr < Hash_end; ptr++) {
                 unsigned int mctx, vsid;
 
@@ -147,7 +146,6 @@ static int ppc_htab_show(struct seq_file *m, void *v)
                 else
                         uptes++;
         }
-#endif
 
         seq_printf(m,
                       "PTE Hash Table Information\n"
@@ -155,20 +153,16 @@ static int ppc_htab_show(struct seq_file *m, void *v)
                       "Buckets\t\t: %lu\n"
                       "Address\t\t: %08lx\n"
                       "Entries\t\t: %lu\n"
-#ifndef CONFIG_PPC64BRIDGE
                       "User ptes\t: %u\n"
                       "Kernel ptes\t: %u\n"
                       "Percent full\t: %lu%%\n"
-#endif
                       , (unsigned long)(Hash_size>>10),
                       (Hash_size/(sizeof(PTE)*8)),
                       (unsigned long)Hash,
                       Hash_size/sizeof(PTE)
-#ifndef CONFIG_PPC64BRIDGE
                       , uptes,
                       kptes,
                       ((kptes+uptes)*100) / (Hash_size/sizeof(PTE))
-#endif
                 );
 
         seq_printf(m,
diff --git a/arch/ppc/kernel/ppc_ksyms.c b/arch/ppc/kernel/ppc_ksyms.c
index 82adb4601348..865ba74991a9 100644
--- a/arch/ppc/kernel/ppc_ksyms.c
+++ b/arch/ppc/kernel/ppc_ksyms.c
@@ -18,7 +18,6 @@
 #include <linux/bitops.h>
 
 #include <asm/page.h>
-#include <asm/semaphore.h>
 #include <asm/processor.h>
 #include <asm/uaccess.h>
 #include <asm/io.h>
@@ -30,7 +29,6 @@
 #include <linux/adb.h>
 #include <linux/cuda.h>
 #include <linux/pmu.h>
-#include <asm/prom.h>
 #include <asm/system.h>
 #include <asm/pci-bridge.h>
 #include <asm/irq.h>
@@ -208,27 +206,6 @@ EXPORT_SYMBOL(adb_try_handler_change);
 EXPORT_SYMBOL(cuda_request);
 EXPORT_SYMBOL(cuda_poll);
 #endif /* CONFIG_ADB_CUDA */
-#ifdef CONFIG_PPC_OF
-EXPORT_SYMBOL(find_devices);
-EXPORT_SYMBOL(find_type_devices);
-EXPORT_SYMBOL(find_compatible_devices);
-EXPORT_SYMBOL(find_path_device);
-EXPORT_SYMBOL(device_is_compatible);
-EXPORT_SYMBOL(machine_is_compatible);
-EXPORT_SYMBOL(find_all_nodes);
-EXPORT_SYMBOL(get_property);
-EXPORT_SYMBOL(request_OF_resource);
-EXPORT_SYMBOL(release_OF_resource);
-EXPORT_SYMBOL(of_find_node_by_name);
-EXPORT_SYMBOL(of_find_node_by_type);
-EXPORT_SYMBOL(of_find_compatible_node);
-EXPORT_SYMBOL(of_find_node_by_path);
-EXPORT_SYMBOL(of_find_all_nodes);
-EXPORT_SYMBOL(of_get_parent);
-EXPORT_SYMBOL(of_get_next_child);
-EXPORT_SYMBOL(of_node_get);
-EXPORT_SYMBOL(of_node_put);
-#endif /* CONFIG_PPC_OF */
 #if defined(CONFIG_BOOTX_TEXT)
 EXPORT_SYMBOL(btext_update_display);
 #endif
@@ -262,9 +239,6 @@ EXPORT_SYMBOL(console_drivers);
 EXPORT_SYMBOL(xmon);
 EXPORT_SYMBOL(xmon_printf);
 #endif
-EXPORT_SYMBOL(__up);
-EXPORT_SYMBOL(__down);
-EXPORT_SYMBOL(__down_interruptible);
 
 #if defined(CONFIG_KGDB) || defined(CONFIG_XMON)
 extern void (*debugger)(struct pt_regs *regs);
diff --git a/arch/ppc/kernel/setup.c b/arch/ppc/kernel/setup.c
index 53e9deacee82..1f79e84ab464 100644
--- a/arch/ppc/kernel/setup.c
+++ b/arch/ppc/kernel/setup.c
@@ -1,5 +1,5 @@
 /*
- * Common prep/chrp boot and setup code.
+ * Common prep boot and setup code.
  */
 
 #include <linux/config.h>
@@ -72,17 +72,12 @@ unsigned long ISA_DMA_THRESHOLD;
 unsigned int DMA_MODE_READ;
 unsigned int DMA_MODE_WRITE;
 
-#ifdef CONFIG_PPC_MULTIPLATFORM
-int _machine = 0;
-EXPORT_SYMBOL(_machine);
-
+#ifdef CONFIG_PPC_PREP
 extern void prep_init(unsigned long r3, unsigned long r4,
                 unsigned long r5, unsigned long r6, unsigned long r7);
-extern void chrp_init(unsigned long r3, unsigned long r4,
-                unsigned long r5, unsigned long r6, unsigned long r7);
 
 dev_t boot_dev;
-#endif /* CONFIG_PPC_MULTIPLATFORM */
+#endif /* CONFIG_PPC_PREP */
 
 int have_of;
 EXPORT_SYMBOL(have_of);
@@ -319,72 +314,12 @@ early_init(int r3, int r4, int r5)
         identify_cpu(offset, 0);
         do_cpu_ftr_fixups(offset);
 
-#if defined(CONFIG_PPC_OF)
-        reloc_got2(offset);
-
-        /*
-         * don't do anything on prep
-         * for now, don't use bootinfo because it breaks yaboot 0.5
-         * and assume that if we didn't find a magic number, we have OF
-         */
-        if (*(unsigned long *)(0) != 0xdeadc0de)
-                phys = prom_init(r3, r4, (prom_entry)r5);
-
-        reloc_got2(-offset);
-#endif
-
         return phys;
 }
 
-#ifdef CONFIG_PPC_OF
-/*
- * Assume here that all clock rates are the same in a
- * smp system.  -- Cort
- */
-int
-of_show_percpuinfo(struct seq_file *m, int i)
-{
-        struct device_node *cpu_node;
-        u32 *fp;
-        int s;
-        
-        cpu_node = find_type_devices("cpu");
-        if (!cpu_node)
-                return 0;
-        for (s = 0; s < i && cpu_node->next; s++)
-                cpu_node = cpu_node->next;
-        fp = (u32 *)get_property(cpu_node, "clock-frequency", NULL);
-        if (fp)
-                seq_printf(m, "clock\t\t: %dMHz\n", *fp / 1000000);
-        return 0;
-}
-
-void __init
-intuit_machine_type(void)
-{
-        char *model;
-        struct device_node *root;
-        
-        /* ask the OF info if we're a chrp or pmac */
-        root = find_path_device("/");
-        if (root != 0) {
-                /* assume pmac unless proven to be chrp -- Cort */
-                _machine = _MACH_Pmac;
-                model = get_property(root, "device_type", NULL);
-                if (model && !strncmp("chrp", model, 4))
-                        _machine = _MACH_chrp;
-                else {
-                        model = get_property(root, "model", NULL);
-                        if (model && !strncmp(model, "IBM", 3))
-                                _machine = _MACH_chrp;
-                }
-        }
-}
-#endif
-
-#ifdef CONFIG_PPC_MULTIPLATFORM
+#ifdef CONFIG_PPC_PREP
 /*
- * The PPC_MULTIPLATFORM version of platform_init...
+ * The PPC_PREP version of platform_init...
  */
 void __init
 platform_init(unsigned long r3, unsigned long r4, unsigned long r5,
@@ -399,161 +334,9 @@ platform_init(unsigned long r3, unsigned long r4, unsigned long r5,
 
         parse_bootinfo(find_bootinfo());
 
-        /* if we didn't get any bootinfo telling us what we are... */
-        if (_machine == 0) {
-                /* prep boot loader tells us if we're prep or not */
-                if ( *(unsigned long *)(KERNELBASE) == (0xdeadc0de) )
-                        _machine = _MACH_prep;
-        }
-
-#ifdef CONFIG_PPC_PREP
-        /* not much more to do here, if prep */
-        if (_machine == _MACH_prep) {
-                prep_init(r3, r4, r5, r6, r7);
-                return;
-        }
-#endif
-
-#ifdef CONFIG_PPC_OF
-        have_of = 1;
-
-        /* prom_init has already been called from __start */
-        if (boot_infos)
-                relocate_nodes();
-
-        /* If we aren't PReP, we can find out if we're Pmac
-         * or CHRP with this. */
-        if (_machine == 0)
-                intuit_machine_type();
-
-        /* finish_device_tree may need _machine defined. */
-        finish_device_tree();
-
-        /*
-         * If we were booted via quik, r3 points to the physical
-         * address of the command-line parameters.
-         * If we were booted from an xcoff image (i.e. netbooted or
-         * booted from floppy), we get the command line from the
-         * bootargs property of the /chosen node.
-         * If an initial ramdisk is present, r3 and r4
-         * are used for initrd_start and initrd_size,
-         * otherwise they contain 0xdeadbeef.
-         */
-        if (r3 >= 0x4000 && r3 < 0x800000 && r4 == 0) {
-                strlcpy(cmd_line, (char *)r3 + KERNELBASE,
-                        sizeof(cmd_line));
-        } else if (boot_infos != 0) {
-                /* booted by BootX - check for ramdisk */
-                if (boot_infos->kernelParamsOffset != 0)
-                        strlcpy(cmd_line, (char *) boot_infos
-                                + boot_infos->kernelParamsOffset,
-                                sizeof(cmd_line));
-#ifdef CONFIG_BLK_DEV_INITRD
-                if (boot_infos->ramDisk) {
-                        initrd_start = (unsigned long) boot_infos
-                                + boot_infos->ramDisk;
-                        initrd_end = initrd_start + boot_infos->ramDiskSize;
-                        initrd_below_start_ok = 1;
-                }
-#endif
-        } else {
-                struct device_node *chosen;
-                char *p;
-        
-#ifdef CONFIG_BLK_DEV_INITRD
-                if (r3 && r4 && r4 != 0xdeadbeef) {
-                        if (r3 < KERNELBASE)
-                                r3 += KERNELBASE;
-                        initrd_start = r3;
-                        initrd_end = r3 + r4;
-                        ROOT_DEV = Root_RAM0;
-                        initrd_below_start_ok = 1;
-                }
-#endif
-                chosen = find_devices("chosen");
-                if (chosen != NULL) {
-                        p = get_property(chosen, "bootargs", NULL);
-                        if (p && *p) {
-                                strlcpy(cmd_line, p, sizeof(cmd_line));
-                        }
-                }
-        }
-#ifdef CONFIG_ADB
-        if (strstr(cmd_line, "adb_sync")) {
-                extern int __adb_probe_sync;
-                __adb_probe_sync = 1;
-        }
-#endif /* CONFIG_ADB */
-
-        switch (_machine) {
-#ifdef CONFIG_PPC_CHRP
-        case _MACH_chrp:
-                chrp_init(r3, r4, r5, r6, r7);
-                break;
-#endif
-        }
-#endif /* CONFIG_PPC_OF */
+        prep_init(r3, r4, r5, r6, r7);
 }
-#endif /* CONFIG_PPC_MULTIPLATFORM */
-
-#ifdef CONFIG_PPC_OF
-#ifdef CONFIG_SERIAL_CORE_CONSOLE
-extern char *of_stdout_device;
-
-static int __init set_preferred_console(void)
-{
-        struct device_node *prom_stdout;
-        char *name;
-        int offset = 0;
-
-        if (of_stdout_device == NULL)
-                return -ENODEV;
-
-        /* The user has requested a console so this is already set up. */
-        if (strstr(saved_command_line, "console="))
-                return -EBUSY;
-
-        prom_stdout = find_path_device(of_stdout_device);
-        if (!prom_stdout)
-                return -ENODEV;
-
-        name = (char *)get_property(prom_stdout, "name", NULL);
-        if (!name)
-                return -ENODEV;
-
-        if (strcmp(name, "serial") == 0) {
-                int i;
-                u32 *reg = (u32 *)get_property(prom_stdout, "reg", &i);
-                if (i > 8) {
-                        switch (reg[1]) {
-                                case 0x3f8:
-                                        offset = 0;
-                                        break;
-                                case 0x2f8:
-                                        offset = 1;
-                                        break;
-                                case 0x898:
-                                        offset = 2;
-                                        break;
-                                case 0x890:
-                                        offset = 3;
-                                        break;
-                                default:
-                                        /* We dont recognise the serial port */
-                                        return -ENODEV;
-                        }
-                }
-        } else if (strcmp(name, "ch-a") == 0)
-                offset = 0;
-        else if (strcmp(name, "ch-b") == 0)
-                offset = 1;
-        else
-                return -ENODEV;
-        return add_preferred_console("ttyS", offset, NULL);
-}
-console_initcall(set_preferred_console);
-#endif /* CONFIG_SERIAL_CORE_CONSOLE */
-#endif /* CONFIG_PPC_OF */
+#endif /* CONFIG_PPC_PREP */
 
 struct bi_record *find_bootinfo(void)
 {
@@ -589,23 +372,6 @@ void parse_bootinfo(struct bi_record *rec)
                         initrd_end = data[0] + data[1] + KERNELBASE;
                         break;
 #endif /* CONFIG_BLK_DEV_INITRD */
-#ifdef CONFIG_PPC_MULTIPLATFORM
-                case BI_MACHTYPE:
-                        /* Machine types changed with the merge. Since the
-                         * bootinfo are now deprecated, we can just hard code
-                         * the appropriate conversion here for when we are
-                         * called with yaboot which passes us a machine type
-                         * this way.
-                         */
-                        switch(data[0]) {
-                        case 1: _machine = _MACH_prep; break;
-                        case 2: _machine = _MACH_Pmac; break;
-                        case 4: _machine = _MACH_chrp; break;
-                        default:
-                                _machine = data[0];
-                        }
-                        break;
-#endif
                 case BI_MEMSIZE:
                         boot_mem_size = data[0];
                         break;
@@ -631,9 +397,6 @@ machine_init(unsigned long r3, unsigned long r4, unsigned long r5,
 #ifdef CONFIG_6xx
         ppc_md.power_save = ppc6xx_idle;
 #endif
-#ifdef CONFIG_POWER4
-        ppc_md.power_save = power4_idle;
-#endif
 
         platform_init(r3, r4, r5, r6, r7);
 
@@ -711,7 +474,7 @@ int __init ppc_init(void)
         if ( ppc_md.progress ) ppc_md.progress("             ", 0xffff);
 
         /* register CPU devices */
-        for_each_cpu(i)
+        for_each_possible_cpu(i)
                 register_cpu(&cpu_devices[i], i, NULL);
 
         /* call platform init */
@@ -799,7 +562,4 @@ void __init setup_arch(char **cmdline_p)
         if ( ppc_md.progress ) ppc_md.progress("arch: exit", 0x3eab);
 
         paging_init();
-
-        /* this is for modules since _machine can be a define -- Cort */
-        ppc_md.ppc_machine = _machine;
 }
diff --git a/arch/ppc/kernel/smp.c b/arch/ppc/kernel/smp.c
index e55cdda6149a..f77795a64dae 100644
--- a/arch/ppc/kernel/smp.c
+++ b/arch/ppc/kernel/smp.c
@@ -311,7 +311,7 @@ void __init smp_prepare_cpus(unsigned int max_cpus)
         /* Backup CPU 0 state */
         __save_cpu_setup();
 
-        for_each_cpu(cpu) {
+        for_each_possible_cpu(cpu) {
                 if (cpu == smp_processor_id())
                         continue;
                 /* create a process for the processor */
diff --git a/arch/ppc/lib/strcase.c b/arch/ppc/lib/strcase.c
index 36b521091bbc..3b0094cc2b52 100644
--- a/arch/ppc/lib/strcase.c
+++ b/arch/ppc/lib/strcase.c
@@ -1,4 +1,5 @@
 #include <linux/ctype.h>
+#include <linux/types.h>
 
 int strcasecmp(const char *s1, const char *s2)
 {
@@ -11,7 +12,7 @@ int strcasecmp(const char *s1, const char *s2)
         return c1 - c2;
 }
 
-int strncasecmp(const char *s1, const char *s2, int n)
+int strncasecmp(const char *s1, const char *s2, size_t n)
 {
         int c1, c2;
 
diff --git a/arch/ppc/mm/fault.c b/arch/ppc/mm/fault.c
index 0217188ef465..8e08ca32531a 100644
--- a/arch/ppc/mm/fault.c
+++ b/arch/ppc/mm/fault.c
@@ -202,6 +202,7 @@ good_area:
         /* an exec  - 4xx/Book-E allows for per-page execute permission */
         } else if (TRAP(regs) == 0x400) {
                 pte_t *ptep;
+                pmd_t *pmdp;
 
 #if 0
                 /* It would be nice to actually enforce the VM execute
@@ -215,21 +216,24 @@ good_area:
                 /* Since 4xx/Book-E supports per-page execute permission,
                  * we lazily flush dcache to icache. */
                 ptep = NULL;
-                if (get_pteptr(mm, address, &ptep) && pte_present(*ptep)) {
-                        struct page *page = pte_page(*ptep);
-
-                        if (! test_bit(PG_arch_1, &page->flags)) {
-                                flush_dcache_icache_page(page);
-                                set_bit(PG_arch_1, &page->flags);
+                if (get_pteptr(mm, address, &ptep, &pmdp)) {
+                        spinlock_t *ptl = pte_lockptr(mm, pmdp);
+                        spin_lock(ptl);
+                        if (pte_present(*ptep)) {
+                                struct page *page = pte_page(*ptep);
+
+                                if (!test_bit(PG_arch_1, &page->flags)) {
+                                        flush_dcache_icache_page(page);
+                                        set_bit(PG_arch_1, &page->flags);
+                                }
+                                pte_update(ptep, 0, _PAGE_HWEXEC);
+                                _tlbie(address);
+                                pte_unmap_unlock(ptep, ptl);
+                                up_read(&mm->mmap_sem);
+                                return 0;
                         }
-                        pte_update(ptep, 0, _PAGE_HWEXEC);
-                        _tlbie(address);
-                        pte_unmap(ptep);
-                        up_read(&mm->mmap_sem);
-                        return 0;
+                        pte_unmap_unlock(ptep, ptl);
                 }
-                if (ptep != NULL)
-                        pte_unmap(ptep);
 #endif
         /* a read */
         } else {
diff --git a/arch/ppc/mm/hashtable.S b/arch/ppc/mm/hashtable.S
index f09fa88db35a..31d0a924317c 100644
--- a/arch/ppc/mm/hashtable.S
+++ b/arch/ppc/mm/hashtable.S
@@ -74,12 +74,6 @@ _GLOBAL(hash_page_sync)
  */
         .text
 _GLOBAL(hash_page)
-#ifdef CONFIG_PPC64BRIDGE
-        mfmsr   r0
-        clrldi  r0,r0,1         /* make sure it's in 32-bit mode */
-        MTMSRD(r0)
-        isync
-#endif
         tophys(r7,0)                    /* gets -KERNELBASE into r7 */
 #ifdef CONFIG_SMP
         addis   r8,r7,mmu_hash_lock@h
@@ -303,7 +297,6 @@ Hash_base = 0xc0180000
 Hash_bits = 12                          /* e.g. 256kB hash table */
 Hash_msk = (((1 << Hash_bits) - 1) * 64)
 
-#ifndef CONFIG_PPC64BRIDGE
 /* defines for the PTE format for 32-bit PPCs */
 #define PTE_SIZE        8
 #define PTEG_SIZE       64
@@ -317,21 +310,6 @@ Hash_msk = (((1 << Hash_bits) - 1) * 64)
 #define SET_V(r)        oris r,r,PTE_V@h
 #define CLR_V(r,t)      rlwinm r,r,0,1,31
 
-#else
-/* defines for the PTE format for 64-bit PPCs */
-#define PTE_SIZE        16
-#define PTEG_SIZE       128
-#define LG_PTEG_SIZE    7
-#define LDPTEu          ldu
-#define STPTE           std
-#define CMPPTE          cmpd
-#define PTE_H           2
-#define PTE_V           1
-#define TST_V(r)        andi. r,r,PTE_V
-#define SET_V(r)        ori r,r,PTE_V
-#define CLR_V(r,t)      li t,PTE_V; andc r,r,t
-#endif /* CONFIG_PPC64BRIDGE */
-
 #define HASH_LEFT       31-(LG_PTEG_SIZE+Hash_bits-1)
 #define HASH_RIGHT      31-LG_PTEG_SIZE
 
@@ -349,14 +327,8 @@ BEGIN_FTR_SECTION
 END_FTR_SECTION_IFSET(CPU_FTR_NEED_COHERENT)
 
         /* Construct the high word of the PPC-style PTE (r5) */
-#ifndef CONFIG_PPC64BRIDGE
         rlwinm  r5,r3,7,1,24            /* put VSID in 0x7fffff80 bits */
         rlwimi  r5,r4,10,26,31          /* put in API (abbrev page index) */
-#else /* CONFIG_PPC64BRIDGE */
-        clrlwi  r3,r3,8                 /* reduce vsid to 24 bits */
-        sldi    r5,r3,12                /* shift vsid into position */
-        rlwimi  r5,r4,16,20,24          /* put in API (abbrev page index) */
-#endif /* CONFIG_PPC64BRIDGE */
         SET_V(r5)                       /* set V (valid) bit */
 
         /* Get the address of the primary PTE group in the hash table (r3) */
@@ -540,14 +512,8 @@ _GLOBAL(flush_hash_pages)
         add     r3,r3,r0                /* note code below trims to 24 bits */
 
         /* Construct the high word of the PPC-style PTE (r11) */
-#ifndef CONFIG_PPC64BRIDGE
         rlwinm  r11,r3,7,1,24           /* put VSID in 0x7fffff80 bits */
         rlwimi  r11,r4,10,26,31         /* put in API (abbrev page index) */
-#else /* CONFIG_PPC64BRIDGE */
-        clrlwi  r3,r3,8                 /* reduce vsid to 24 bits */
-        sldi    r11,r3,12               /* shift vsid into position */
-        rlwimi  r11,r4,16,20,24         /* put in API (abbrev page index) */
-#endif /* CONFIG_PPC64BRIDGE */
         SET_V(r11)                      /* set V (valid) bit */
 
 #ifdef CONFIG_SMP
diff --git a/arch/ppc/mm/init.c b/arch/ppc/mm/init.c
index cb1c294fb932..386e000bcb73 100644
--- a/arch/ppc/mm/init.c
+++ b/arch/ppc/mm/init.c
@@ -412,14 +412,6 @@ void __init mem_init(void)
         }
 #endif /* CONFIG_BLK_DEV_INITRD */
 
-#ifdef CONFIG_PPC_OF
-        /* mark the RTAS pages as reserved */
-        if ( rtas_data )
-                for (addr = (ulong)__va(rtas_data);
-                     addr < PAGE_ALIGN((ulong)__va(rtas_data)+rtas_size) ;
-                     addr += PAGE_SIZE)
-                        SetPageReserved(virt_to_page(addr));
-#endif
         for (addr = PAGE_OFFSET; addr < (unsigned long)high_memory;
              addr += PAGE_SIZE) {
                 if (!PageReserved(virt_to_page(addr)))
@@ -494,11 +486,6 @@ set_phys_avail(unsigned long total_memory)
                                   initrd_end - initrd_start, 1);
         }
 #endif /* CONFIG_BLK_DEV_INITRD */
-#ifdef CONFIG_PPC_OF
-        /* remove the RTAS pages from the available memory */
-        if (rtas_data)
-                mem_pieces_remove(&phys_avail, rtas_data, rtas_size, 1);
-#endif
 }
 
 /* Mark some memory as reserved by removing it from phys_avail. */
diff --git a/arch/ppc/mm/mmu_context.c b/arch/ppc/mm/mmu_context.c
index a8816e0f6a86..b4a4b3f02a1c 100644
--- a/arch/ppc/mm/mmu_context.c
+++ b/arch/ppc/mm/mmu_context.c
@@ -2,7 +2,7 @@
  * This file contains the routines for handling the MMU on those
  * PowerPC implementations where the MMU substantially follows the
  * architecture specification.  This includes the 6xx, 7xx, 7xxx,
- * 8260, and POWER3 implementations but excludes the 8xx and 4xx.
+ * 8260, and 83xx implementations but excludes the 8xx and 4xx.
  *  -- paulus
  *
  *  Derived from arch/ppc/mm/init.c:
diff --git a/arch/ppc/mm/pgtable.c b/arch/ppc/mm/pgtable.c
index 6ea9185fd120..706bca8eb144 100644
--- a/arch/ppc/mm/pgtable.c
+++ b/arch/ppc/mm/pgtable.c
@@ -39,7 +39,7 @@ unsigned long ioremap_base;
 unsigned long ioremap_bot;
 int io_bat_index;
 
-#if defined(CONFIG_6xx) || defined(CONFIG_POWER3)
+#if defined(CONFIG_6xx)
 #define HAVE_BATS       1
 #endif
 
@@ -368,7 +368,7 @@ void __init io_block_mapping(unsigned long virt, phys_addr_t phys,
  * the PTE pointer is unmodified if PTE is not found.
  */
 int
-get_pteptr(struct mm_struct *mm, unsigned long addr, pte_t **ptep)
+get_pteptr(struct mm_struct *mm, unsigned long addr, pte_t **ptep, pmd_t **pmdp)
 {
         pgd_t   *pgd;
         pmd_t   *pmd;
@@ -383,6 +383,8 @@ get_pteptr(struct mm_struct *mm, unsigned long addr, pte_t **ptep)
                         if (pte) {
                                 retval = 1;
                                 *ptep = pte;
+                                if (pmdp)
+                                        *pmdp = pmd;
                                 /* XXX caller needs to do pte_unmap, yuck */
                         }
                 }
@@ -420,7 +422,7 @@ unsigned long iopa(unsigned long addr)
                 mm = &init_mm;
 
         pa = 0;
-        if (get_pteptr(mm, addr, &pte)) {
+        if (get_pteptr(mm, addr, &pte, NULL)) {
                 pa = (pte_val(*pte) & PAGE_MASK) | (addr & ~PAGE_MASK);
                 pte_unmap(pte);
         }
diff --git a/arch/ppc/mm/ppc_mmu.c b/arch/ppc/mm/ppc_mmu.c
index 9a381ed5eb21..25bb6f3347c1 100644
--- a/arch/ppc/mm/ppc_mmu.c
+++ b/arch/ppc/mm/ppc_mmu.c
@@ -2,7 +2,7 @@
  * This file contains the routines for handling the MMU on those
  * PowerPC implementations where the MMU substantially follows the
  * architecture specification.  This includes the 6xx, 7xx, 7xxx,
- * 8260, and POWER3 implementations but excludes the 8xx and 4xx.
+ * 8260, and 83xx implementations but excludes the 8xx and 4xx.
  *  -- paulus
  *
  *  Derived from arch/ppc/mm/init.c:
@@ -42,11 +42,7 @@ unsigned long _SDR1;
 
 union ubat {                    /* BAT register values to be loaded */
         BAT     bat;
-#ifdef CONFIG_PPC64BRIDGE
-        u64     word[2];
-#else
         u32     word[2];
-#endif
 } BATS[4][2];                   /* 4 pairs of IBAT, DBAT */
 
 struct batrange {               /* stores address ranges mapped by BATs */
@@ -83,9 +79,6 @@ unsigned long p_mapped_by_bats(unsigned long pa)
 
 unsigned long __init mmu_mapin_ram(void)
 {
-#ifdef CONFIG_POWER4
-        return 0;
-#else
         unsigned long tot, bl, done;
         unsigned long max_size = (256<<20);
         unsigned long align;
@@ -122,7 +115,6 @@ unsigned long __init mmu_mapin_ram(void)
         }
 
         return done;
-#endif
 }
 
 /*
@@ -205,27 +197,10 @@ void __init MMU_init_hw(void)
 
         if ( ppc_md.progress ) ppc_md.progress("hash:enter", 0x105);
 
-#ifdef CONFIG_PPC64BRIDGE
-#define LG_HPTEG_SIZE   7               /* 128 bytes per HPTEG */
-#define SDR1_LOW_BITS   (lg_n_hpteg - 11)
-#define MIN_N_HPTEG     2048            /* min 256kB hash table */
-#else
 #define LG_HPTEG_SIZE   6               /* 64 bytes per HPTEG */
 #define SDR1_LOW_BITS   ((n_hpteg - 1) >> 10)
 #define MIN_N_HPTEG     1024            /* min 64kB hash table */
-#endif
-
-#ifdef CONFIG_POWER4
-        /* The hash table has already been allocated and initialized
-           in prom.c */
-        n_hpteg = Hash_size >> LG_HPTEG_SIZE;
-        lg_n_hpteg = __ilog2(n_hpteg);
-
-        /* Remove the hash table from the available memory */
-        if (Hash)
-                reserve_phys_mem(__pa(Hash), Hash_size);
 
-#else /* CONFIG_POWER4 */
         /*
          * Allow 1 HPTE (1/8 HPTEG) for each page of memory.
          * This is less than the recommended amount, but then
@@ -248,7 +223,6 @@ void __init MMU_init_hw(void)
         Hash = mem_pieces_find(Hash_size, Hash_size);
         cacheable_memzero(Hash, Hash_size);
         _SDR1 = __pa(Hash) | SDR1_LOW_BITS;
-#endif /* CONFIG_POWER4 */
 
         Hash_end = (PTE *) ((unsigned long)Hash + Hash_size);
 
diff --git a/arch/ppc/platforms/Makefile b/arch/ppc/platforms/Makefile
index e8b91a33ce91..90c622294423 100644
--- a/arch/ppc/platforms/Makefile
+++ b/arch/ppc/platforms/Makefile
@@ -2,18 +2,10 @@
 # Makefile for the linux kernel.
 #
 
-# Extra CFLAGS so we don't have to do relative includes
-CFLAGS_chrp_setup.o     += -Iarch/$(ARCH)/mm
-
 obj-$(CONFIG_APUS)              += apus_setup.o
 ifeq ($(CONFIG_APUS),y)
 obj-$(CONFIG_PCI)               += apus_pci.o
 endif
-obj-$(CONFIG_PPC_CHRP)          += chrp_setup.o chrp_time.o chrp_pci.o \
-                                        chrp_pegasos_eth.o
-ifeq ($(CONFIG_PPC_CHRP),y)
-obj-$(CONFIG_NVRAM)             += chrp_nvram.o
-endif
 obj-$(CONFIG_PPC_PREP)          += prep_pci.o prep_setup.o
 obj-$(CONFIG_PREP_RESIDUAL)     += residual.o
 obj-$(CONFIG_PQ2ADS)            += pq2ads.o
@@ -40,7 +32,3 @@ obj-$(CONFIG_EV64360)		+= ev64360.o
 obj-$(CONFIG_MPC86XADS)         += mpc866ads_setup.o
 obj-$(CONFIG_MPC885ADS)         += mpc885ads_setup.o
 obj-$(CONFIG_ADS8272)           += mpc8272ads_setup.o
-
-ifeq ($(CONFIG_SMP),y)
-obj-$(CONFIG_PPC_CHRP)          += chrp_smp.o
-endif
diff --git a/arch/ppc/platforms/chrp_nvram.c b/arch/ppc/platforms/chrp_nvram.c
deleted file mode 100644
index 465ba9b090ef..000000000000
--- a/arch/ppc/platforms/chrp_nvram.c
+++ /dev/null
@@ -1,83 +0,0 @@
-/*
- *  c 2001 PPC 64 Team, IBM Corp
- *
- *      This program is free software; you can redistribute it and/or
- *      modify it under the terms of the GNU General Public License
- *      as published by the Free Software Foundation; either version
- *      2 of the License, or (at your option) any later version.
- *
- * /dev/nvram driver for PPC
- *
- */
-
-#include <linux/kernel.h>
-#include <linux/init.h>
-#include <linux/slab.h>
-#include <linux/spinlock.h>
-#include <asm/uaccess.h>
-#include <asm/prom.h>
-#include <asm/machdep.h>
-
-static unsigned int nvram_size;
-static unsigned char nvram_buf[4];
-static DEFINE_SPINLOCK(nvram_lock);
-
-static unsigned char chrp_nvram_read(int addr)
-{
-        unsigned long done, flags;
-        unsigned char ret;
-
-        if (addr >= nvram_size) {
-                printk(KERN_DEBUG "%s: read addr %d > nvram_size %u\n",
-                       current->comm, addr, nvram_size);
-                return 0xff;
-        }
-        spin_lock_irqsave(&nvram_lock, flags);
-        if ((call_rtas("nvram-fetch", 3, 2, &done, addr, __pa(nvram_buf), 1) != 0) || 1 != done)
-                ret = 0xff;
-        else
-                ret = nvram_buf[0];
-        spin_unlock_irqrestore(&nvram_lock, flags);
-
-        return ret;
-}
-
-static void chrp_nvram_write(int addr, unsigned char val)
-{
-        unsigned long done, flags;
-
-        if (addr >= nvram_size) {
-                printk(KERN_DEBUG "%s: write addr %d > nvram_size %u\n",
-                       current->comm, addr, nvram_size);
-                return;
-        }
-        spin_lock_irqsave(&nvram_lock, flags);
-        nvram_buf[0] = val;
-        if ((call_rtas("nvram-store", 3, 2, &done, addr, __pa(nvram_buf), 1) != 0) || 1 != done)
-                printk(KERN_DEBUG "rtas IO error storing 0x%02x at %d", val, addr);
-        spin_unlock_irqrestore(&nvram_lock, flags);
-}
-
-void __init chrp_nvram_init(void)
-{
-        struct device_node *nvram;
-        unsigned int *nbytes_p, proplen;
-
-        nvram = of_find_node_by_type(NULL, "nvram");
-        if (nvram == NULL)
-                return;
-
-        nbytes_p = (unsigned int *)get_property(nvram, "#bytes", &proplen);
-        if (nbytes_p == NULL || proplen != sizeof(unsigned int))
-                return;
-
-        nvram_size = *nbytes_p;
-
-        printk(KERN_INFO "CHRP nvram contains %u bytes\n", nvram_size);
-        of_node_put(nvram);
-
-        ppc_md.nvram_read_val = chrp_nvram_read;
-        ppc_md.nvram_write_val = chrp_nvram_write;
-
-        return;
-}
diff --git a/arch/ppc/platforms/chrp_pci.c b/arch/ppc/platforms/chrp_pci.c
deleted file mode 100644
index c7fe6182bb77..000000000000
--- a/arch/ppc/platforms/chrp_pci.c
+++ /dev/null
@@ -1,309 +0,0 @@
-/*
- * CHRP pci routines.
- */
-
-#include <linux/config.h>
-#include <linux/kernel.h>
-#include <linux/pci.h>
-#include <linux/delay.h>
-#include <linux/string.h>
-#include <linux/init.h>
-#include <linux/ide.h>
-
-#include <asm/io.h>
-#include <asm/pgtable.h>
-#include <asm/irq.h>
-#include <asm/hydra.h>
-#include <asm/prom.h>
-#include <asm/gg2.h>
-#include <asm/machdep.h>
-#include <asm/sections.h>
-#include <asm/pci-bridge.h>
-#include <asm/open_pic.h>
-
-/* LongTrail */
-void __iomem *gg2_pci_config_base;
-
-/*
- * The VLSI Golden Gate II has only 512K of PCI configuration space, so we
- * limit the bus number to 3 bits
- */
-
-int gg2_read_config(struct pci_bus *bus, unsigned int devfn, int off,
-                           int len, u32 *val)
-{
-        volatile void __iomem *cfg_data;
-        struct pci_controller *hose = bus->sysdata;
-
-        if (bus->number > 7)
-                return PCIBIOS_DEVICE_NOT_FOUND;
-        /*
-         * Note: the caller has already checked that off is
-         * suitably aligned and that len is 1, 2 or 4.
-         */
-        cfg_data = hose->cfg_data + ((bus->number<<16) | (devfn<<8) | off);
-        switch (len) {
-        case 1:
-                *val =  in_8(cfg_data);
-                break;
-        case 2:
-                *val = in_le16(cfg_data);
-                break;
-        default:
-                *val = in_le32(cfg_data);
-                break;
-        }
-        return PCIBIOS_SUCCESSFUL;
-}
-
-int gg2_write_config(struct pci_bus *bus, unsigned int devfn, int off,
-                            int len, u32 val)
-{
-        volatile void __iomem *cfg_data;
-        struct pci_controller *hose = bus->sysdata;
-
-        if (bus->number > 7)
-                return PCIBIOS_DEVICE_NOT_FOUND;
-        /*
-         * Note: the caller has already checked that off is
-         * suitably aligned and that len is 1, 2 or 4.
-         */
-        cfg_data = hose->cfg_data + ((bus->number<<16) | (devfn<<8) | off);
-        switch (len) {
-        case 1:
-                out_8(cfg_data, val);
-                break;
-        case 2:
-                out_le16(cfg_data, val);
-                break;
-        default:
-                out_le32(cfg_data, val);
-                break;
-        }
-        return PCIBIOS_SUCCESSFUL;
-}
-
-static struct pci_ops gg2_pci_ops =
-{
-        gg2_read_config,
-        gg2_write_config
-};
-
-/*
- * Access functions for PCI config space using RTAS calls.
- */
-int
-rtas_read_config(struct pci_bus *bus, unsigned int devfn, int offset,
-                 int len, u32 *val)
-{
-        struct pci_controller *hose = bus->sysdata;
-        unsigned long addr = (offset & 0xff) | ((devfn & 0xff) << 8)
-                | (((bus->number - hose->first_busno) & 0xff) << 16)
-                | (hose->index << 24);
-        unsigned long ret = ~0UL;
-        int rval;
-
-        rval = call_rtas("read-pci-config", 2, 2, &ret, addr, len);
-        *val = ret;
-        return rval? PCIBIOS_DEVICE_NOT_FOUND: PCIBIOS_SUCCESSFUL;
-}
-
-int
-rtas_write_config(struct pci_bus *bus, unsigned int devfn, int offset,
-                  int len, u32 val)
-{
-        struct pci_controller *hose = bus->sysdata;
-        unsigned long addr = (offset & 0xff) | ((devfn & 0xff) << 8)
-                | (((bus->number - hose->first_busno) & 0xff) << 16)
-                | (hose->index << 24);
-        int rval;
-
-        rval = call_rtas("write-pci-config", 3, 1, NULL, addr, len, val);
-        return rval? PCIBIOS_DEVICE_NOT_FOUND: PCIBIOS_SUCCESSFUL;
-}
-
-static struct pci_ops rtas_pci_ops =
-{
-        rtas_read_config,
-        rtas_write_config
-};
-
-volatile struct Hydra __iomem *Hydra = NULL;
-
-int __init
-hydra_init(void)
-{
-        struct device_node *np;
-
-        np = find_devices("mac-io");
-        if (np == NULL || np->n_addrs == 0)
-                return 0;
-        Hydra = ioremap(np->addrs[0].address, np->addrs[0].size);
-        printk("Hydra Mac I/O at %x\n", np->addrs[0].address);
-        printk("Hydra Feature_Control was %x",
-               in_le32(&Hydra->Feature_Control));
-        out_le32(&Hydra->Feature_Control, (HYDRA_FC_SCC_CELL_EN |
-                                           HYDRA_FC_SCSI_CELL_EN |
-                                           HYDRA_FC_SCCA_ENABLE |
-                                           HYDRA_FC_SCCB_ENABLE |
-                                           HYDRA_FC_ARB_BYPASS |
-                                           HYDRA_FC_MPIC_ENABLE |
-                                           HYDRA_FC_SLOW_SCC_PCLK |
-                                           HYDRA_FC_MPIC_IS_MASTER));
-        printk(", now %x\n", in_le32(&Hydra->Feature_Control));
-        return 1;
-}
-
-void __init
-chrp_pcibios_fixup(void)
-{
-        struct pci_dev *dev = NULL;
-        struct device_node *np;
-
-        /* PCI interrupts are controlled by the OpenPIC */
-        for_each_pci_dev(dev) {
-                np = pci_device_to_OF_node(dev);
-                if ((np != 0) && (np->n_intrs > 0) && (np->intrs[0].line != 0))
-                        dev->irq = np->intrs[0].line;
-                pci_write_config_byte(dev, PCI_INTERRUPT_LINE, dev->irq);
-        }
-}
-
-#define PRG_CL_RESET_VALID 0x00010000
-
-static void __init
-setup_python(struct pci_controller *hose, struct device_node *dev)
-{
-        u32 __iomem *reg;
-        u32 val;
-        unsigned long addr = dev->addrs[0].address;
-
-        setup_indirect_pci(hose, addr + 0xf8000, addr + 0xf8010);
-
-        /* Clear the magic go-slow bit */
-        reg = ioremap(dev->addrs[0].address + 0xf6000, 0x40);
-        val = in_be32(&reg[12]);
-        if (val & PRG_CL_RESET_VALID) {
-                out_be32(&reg[12], val & ~PRG_CL_RESET_VALID);
-                in_be32(&reg[12]);
-        }
-        iounmap(reg);
-}
-
-/* Marvell Discovery II based Pegasos 2 */
-static void __init setup_peg2(struct pci_controller *hose, struct device_node *dev)
-{
-        struct device_node *root = find_path_device("/");
-        struct device_node *rtas;
-
-        rtas = of_find_node_by_name (root, "rtas");
-        if (rtas) {
-                hose->ops = &rtas_pci_ops;
-        } else {
-                printk ("RTAS supporting Pegasos OF not found, please upgrade"
-                        " your firmware\n");
-        }
-        pci_assign_all_buses = 1;
-}
-
-void __init
-chrp_find_bridges(void)
-{
-        struct device_node *dev;
-        int *bus_range;
-        int len, index = -1;
-        struct pci_controller *hose;
-        unsigned int *dma;
-        char *model, *machine;
-        int is_longtrail = 0, is_mot = 0, is_pegasos = 0;
-        struct device_node *root = find_path_device("/");
-
-        /*
-         * The PCI host bridge nodes on some machines don't have
-         * properties to adequately identify them, so we have to
-         * look at what sort of machine this is as well.
-         */
-        machine = get_property(root, "model", NULL);
-        if (machine != NULL) {
-                is_longtrail = strncmp(machine, "IBM,LongTrail", 13) == 0;
-                is_mot = strncmp(machine, "MOT", 3) == 0;
-                if (strncmp(machine, "Pegasos2", 8) == 0)
-                        is_pegasos = 2;
-                else if (strncmp(machine, "Pegasos", 7) == 0)
-                        is_pegasos = 1;
-        }
-        for (dev = root->child; dev != NULL; dev = dev->sibling) {
-                if (dev->type == NULL || strcmp(dev->type, "pci") != 0)
-                        continue;
-                ++index;
-                /* The GG2 bridge on the LongTrail doesn't have an address */
-                if (dev->n_addrs < 1 && !is_longtrail) {
-                        printk(KERN_WARNING "Can't use %s: no address\n",
-                               dev->full_name);
-                        continue;
-                }
-                bus_range = (int *) get_property(dev, "bus-range", &len);
-                if (bus_range == NULL || len < 2 * sizeof(int)) {
-                        printk(KERN_WARNING "Can't get bus-range for %s\n",
-                                dev->full_name);
-                        continue;
-                }
-                if (bus_range[1] == bus_range[0])
-                        printk(KERN_INFO "PCI bus %d", bus_range[0]);
-                else
-                        printk(KERN_INFO "PCI buses %d..%d",
-                               bus_range[0], bus_range[1]);
-                printk(" controlled by %s", dev->type);
-                if (dev->n_addrs > 0)
-                        printk(" at %x", dev->addrs[0].address);
-                printk("\n");
-
-                hose = pcibios_alloc_controller();
-                if (!hose) {
-                        printk("Can't allocate PCI controller structure for %s\n",
-                                dev->full_name);
-                        continue;
-                }
-                hose->arch_data = dev;
-                hose->first_busno = bus_range[0];
-                hose->last_busno = bus_range[1];
-
-                model = get_property(dev, "model", NULL);
-                if (model == NULL)
-                        model = "<none>";
-                if (device_is_compatible(dev, "IBM,python")) {
-                        setup_python(hose, dev);
-                } else if (is_mot
-                           || strncmp(model, "Motorola, Grackle", 17) == 0) {
-                        setup_indirect_pci(hose, 0xfec00000, 0xfee00000);
-                } else if (is_longtrail) {
-                        void __iomem *p = ioremap(GG2_PCI_CONFIG_BASE, 0x80000);
-                        hose->ops = &gg2_pci_ops;
-                        hose->cfg_data = p;
-                        gg2_pci_config_base = p;
-                } else if (is_pegasos == 1) {
-                        setup_indirect_pci(hose, 0xfec00cf8, 0xfee00cfc);
-                } else if (is_pegasos == 2) {
-                        setup_peg2(hose, dev);
-                } else {
-                        printk("No methods for %s (model %s), using RTAS\n",
-                               dev->full_name, model);
-                        hose->ops = &rtas_pci_ops;
-                }
-
-                pci_process_bridge_OF_ranges(hose, dev, index == 0);
-
-                /* check the first bridge for a property that we can
-                   use to set pci_dram_offset */
-                dma = (unsigned int *)
-                        get_property(dev, "ibm,dma-ranges", &len);
-                if (index == 0 && dma != NULL && len >= 6 * sizeof(*dma)) {
-                        pci_dram_offset = dma[2] - dma[3];
-                        printk("pci_dram_offset = %lx\n", pci_dram_offset);
-                }
-        }
-
-        /* Do not fixup interrupts from OF tree on pegasos */
-        if (is_pegasos == 0)
-                ppc_md.pcibios_fixup = chrp_pcibios_fixup;
-}
diff --git a/arch/ppc/platforms/chrp_pegasos_eth.c b/arch/ppc/platforms/chrp_pegasos_eth.c
deleted file mode 100644
index 9305c8aa1373..000000000000
--- a/arch/ppc/platforms/chrp_pegasos_eth.c
+++ /dev/null
@@ -1,211 +0,0 @@
-/*
- *  Copyright (C) 2005 Sven Luther <sl@bplan-gmbh.de>
- *  Thanks to :
- *      Dale Farnsworth <dale@farnsworth.org>
- *      Mark A. Greer <mgreer@mvista.com>
- *      Nicolas DET <nd@bplan-gmbh.de>
- *      Benjamin Herrenschmidt <benh@kernel.crashing.org>
- *  And anyone else who helped me on this.
- */
-
-#include <linux/types.h>
-#include <linux/init.h>
-#include <linux/ioport.h>
-#include <linux/platform_device.h>
-#include <linux/mv643xx.h>
-#include <linux/pci.h>
-
-#define PEGASOS2_MARVELL_REGBASE                (0xf1000000)
-#define PEGASOS2_MARVELL_REGSIZE                (0x00004000)
-#define PEGASOS2_SRAM_BASE                      (0xf2000000)
-#define PEGASOS2_SRAM_SIZE                      (256*1024)
-
-#define PEGASOS2_SRAM_BASE_ETH0                 (PEGASOS2_SRAM_BASE)
-#define PEGASOS2_SRAM_BASE_ETH1                 (PEGASOS2_SRAM_BASE_ETH0 + (PEGASOS2_SRAM_SIZE / 2) )
-
-
-#define PEGASOS2_SRAM_RXRING_SIZE               (PEGASOS2_SRAM_SIZE/4)
-#define PEGASOS2_SRAM_TXRING_SIZE               (PEGASOS2_SRAM_SIZE/4)
-
-#undef BE_VERBOSE
-
-static struct resource mv643xx_eth_shared_resources[] = {
-        [0] = {
-                .name   = "ethernet shared base",
-                .start  = 0xf1000000 + MV643XX_ETH_SHARED_REGS,
-                .end    = 0xf1000000 + MV643XX_ETH_SHARED_REGS +
-                                        MV643XX_ETH_SHARED_REGS_SIZE - 1,
-                .flags  = IORESOURCE_MEM,
-        },
-};
-
-static struct platform_device mv643xx_eth_shared_device = {
-        .name           = MV643XX_ETH_SHARED_NAME,
-        .id             = 0,
-        .num_resources  = ARRAY_SIZE(mv643xx_eth_shared_resources),
-        .resource       = mv643xx_eth_shared_resources,
-};
-
-static struct resource mv643xx_eth0_resources[] = {
-        [0] = {
-                .name   = "eth0 irq",
-                .start  = 9,
-                .end    = 9,
-                .flags  = IORESOURCE_IRQ,
-        },
-};
-
-
-static struct mv643xx_eth_platform_data eth0_pd = {
-        .tx_sram_addr = PEGASOS2_SRAM_BASE_ETH0,
-        .tx_sram_size = PEGASOS2_SRAM_TXRING_SIZE,
-        .tx_queue_size = PEGASOS2_SRAM_TXRING_SIZE/16,
-
-        .rx_sram_addr = PEGASOS2_SRAM_BASE_ETH0 + PEGASOS2_SRAM_TXRING_SIZE,
-        .rx_sram_size = PEGASOS2_SRAM_RXRING_SIZE,
-        .rx_queue_size = PEGASOS2_SRAM_RXRING_SIZE/16,
-};
-
-static struct platform_device eth0_device = {
-        .name           = MV643XX_ETH_NAME,
-        .id             = 0,
-        .num_resources  = ARRAY_SIZE(mv643xx_eth0_resources),
-        .resource       = mv643xx_eth0_resources,
-        .dev = {
-                .platform_data = &eth0_pd,
-        },
-};
-
-static struct resource mv643xx_eth1_resources[] = {
-        [0] = {
-                .name   = "eth1 irq",
-                .start  = 9,
-                .end    = 9,
-                .flags  = IORESOURCE_IRQ,
-        },
-};
-
-static struct mv643xx_eth_platform_data eth1_pd = {
-        .tx_sram_addr = PEGASOS2_SRAM_BASE_ETH1,
-        .tx_sram_size = PEGASOS2_SRAM_TXRING_SIZE,
-        .tx_queue_size = PEGASOS2_SRAM_TXRING_SIZE/16,
-
-        .rx_sram_addr = PEGASOS2_SRAM_BASE_ETH1 + PEGASOS2_SRAM_TXRING_SIZE,
-        .rx_sram_size = PEGASOS2_SRAM_RXRING_SIZE,
-        .rx_queue_size = PEGASOS2_SRAM_RXRING_SIZE/16,
-};
-
-static struct platform_device eth1_device = {
-        .name           = MV643XX_ETH_NAME,
-        .id             = 1,
-        .num_resources  = ARRAY_SIZE(mv643xx_eth1_resources),
-        .resource       = mv643xx_eth1_resources,
-        .dev = {
-                .platform_data = &eth1_pd,
-        },
-};
-
-static struct platform_device *mv643xx_eth_pd_devs[] __initdata = {
-        &mv643xx_eth_shared_device,
-        &eth0_device,
-        &eth1_device,
-};
-
-/***********/
-/***********/
-#define MV_READ(offset,val)     { val = readl(mv643xx_reg_base + offset); }
-#define MV_WRITE(offset,data) writel(data, mv643xx_reg_base + offset)
-
-static void __iomem *mv643xx_reg_base;
-
-static int Enable_SRAM(void)
-{
-        u32 ALong;
-
-        if (mv643xx_reg_base == NULL)
-                mv643xx_reg_base = ioremap(PEGASOS2_MARVELL_REGBASE,
-                                        PEGASOS2_MARVELL_REGSIZE);
-
-        if (mv643xx_reg_base == NULL)
-                return -ENOMEM;
-
-#ifdef BE_VERBOSE
-        printk("Pegasos II/Marvell MV64361: register remapped from %p to %p\n",
-                (void *)PEGASOS2_MARVELL_REGBASE, (void *)mv643xx_reg_base);
-#endif
-
-        MV_WRITE(MV64340_SRAM_CONFIG, 0);
-
-        MV_WRITE(MV64340_INTEGRATED_SRAM_BASE_ADDR, PEGASOS2_SRAM_BASE >> 16);
-
-        MV_READ(MV64340_BASE_ADDR_ENABLE, ALong);
-        ALong &= ~(1 << 19);
-        MV_WRITE(MV64340_BASE_ADDR_ENABLE, ALong);
-
-        ALong = 0x02;
-        ALong |= PEGASOS2_SRAM_BASE & 0xffff0000;
-        MV_WRITE(MV643XX_ETH_BAR_4, ALong);
-
-        MV_WRITE(MV643XX_ETH_SIZE_REG_4, (PEGASOS2_SRAM_SIZE-1) & 0xffff0000);
-
-        MV_READ(MV643XX_ETH_BASE_ADDR_ENABLE_REG, ALong);
-        ALong &= ~(1 << 4);
-        MV_WRITE(MV643XX_ETH_BASE_ADDR_ENABLE_REG, ALong);
-
-#ifdef BE_VERBOSE
-        printk("Pegasos II/Marvell MV64361: register unmapped\n");
-        printk("Pegasos II/Marvell MV64361: SRAM at %p, size=%x\n", (void*) PEGASOS2_SRAM_BASE, PEGASOS2_SRAM_SIZE);
-#endif
-
-        iounmap(mv643xx_reg_base);
-        mv643xx_reg_base = NULL;
-
-        return 1;
-}
-
-
-/***********/
-/***********/
-int mv643xx_eth_add_pds(void)
-{
-        int ret = 0;
-        static struct pci_device_id pci_marvell_mv64360[] = {
-                { PCI_DEVICE(PCI_VENDOR_ID_MARVELL, PCI_DEVICE_ID_MARVELL_MV64360) },
-                { }
-        };
-
-#ifdef BE_VERBOSE
-        printk("Pegasos II/Marvell MV64361: init\n");
-#endif
-
-        if (pci_dev_present(pci_marvell_mv64360)) {
-                ret = platform_add_devices(mv643xx_eth_pd_devs,
-                                ARRAY_SIZE(mv643xx_eth_pd_devs));
-
-                if ( Enable_SRAM() < 0)
-                {
-                        eth0_pd.tx_sram_addr = 0;
-                        eth0_pd.tx_sram_size = 0;
-                        eth0_pd.rx_sram_addr = 0;
-                        eth0_pd.rx_sram_size = 0;
-
-                        eth1_pd.tx_sram_addr = 0;
-                        eth1_pd.tx_sram_size = 0;
-                        eth1_pd.rx_sram_addr = 0;
-                        eth1_pd.rx_sram_size = 0;
-
-#ifdef BE_VERBOSE
-                        printk("Pegasos II/Marvell MV64361: Can't enable the "
-                                "SRAM\n");
-#endif
-                }
-        }
-
-#ifdef BE_VERBOSE
-        printk("Pegasos II/Marvell MV64361: init is over\n");
-#endif
-
-        return ret;
-}
-
-device_initcall(mv643xx_eth_add_pds);
diff --git a/arch/ppc/platforms/chrp_setup.c b/arch/ppc/platforms/chrp_setup.c
deleted file mode 100644
index f9fd3f4f8e2e..000000000000
--- a/arch/ppc/platforms/chrp_setup.c
+++ /dev/null
@@ -1,669 +0,0 @@
-/*
- *  Copyright (C) 1995  Linus Torvalds
- *  Adapted from 'alpha' version by Gary Thomas
- *  Modified by Cort Dougan (cort@cs.nmt.edu)
- */
-
-/*
- * bootup setup stuff..
- */
-
-#include <linux/config.h>
-#include <linux/errno.h>
-#include <linux/sched.h>
-#include <linux/kernel.h>
-#include <linux/mm.h>
-#include <linux/stddef.h>
-#include <linux/unistd.h>
-#include <linux/ptrace.h>
-#include <linux/slab.h>
-#include <linux/user.h>
-#include <linux/a.out.h>
-#include <linux/tty.h>
-#include <linux/major.h>
-#include <linux/interrupt.h>
-#include <linux/reboot.h>
-#include <linux/init.h>
-#include <linux/pci.h>
-#include <linux/version.h>
-#include <linux/adb.h>
-#include <linux/module.h>
-#include <linux/delay.h>
-#include <linux/ide.h>
-#include <linux/console.h>
-#include <linux/seq_file.h>
-#include <linux/root_dev.h>
-#include <linux/initrd.h>
-#include <linux/module.h>
-
-#include <asm/io.h>
-#include <asm/pgtable.h>
-#include <asm/prom.h>
-#include <asm/gg2.h>
-#include <asm/pci-bridge.h>
-#include <asm/dma.h>
-#include <asm/machdep.h>
-#include <asm/irq.h>
-#include <asm/hydra.h>
-#include <asm/sections.h>
-#include <asm/time.h>
-#include <asm/btext.h>
-#include <asm/i8259.h>
-#include <asm/open_pic.h>
-#include <asm/xmon.h>
-#include "mem_pieces.h"
-
-unsigned long chrp_get_rtc_time(void);
-int chrp_set_rtc_time(unsigned long nowtime);
-void chrp_calibrate_decr(void);
-long chrp_time_init(void);
-
-void chrp_find_bridges(void);
-void chrp_event_scan(void);
-void rtas_display_progress(char *, unsigned short);
-void rtas_indicator_progress(char *, unsigned short);
-void btext_progress(char *, unsigned short);
-
-extern int of_show_percpuinfo(struct seq_file *, int);
-
-int _chrp_type;
-EXPORT_SYMBOL(_chrp_type);
-
-/*
- * XXX this should be in xmon.h, but putting it there means xmon.h
- * has to include <linux/interrupt.h> (to get irqreturn_t), which
- * causes all sorts of problems.  -- paulus
- */
-extern irqreturn_t xmon_irq(int, void *, struct pt_regs *);
-
-extern dev_t boot_dev;
-
-extern PTE *Hash, *Hash_end;
-extern unsigned long Hash_size, Hash_mask;
-extern int probingmem;
-extern unsigned long loops_per_jiffy;
-static int max_width;
-
-#ifdef CONFIG_SMP
-extern struct smp_ops_t chrp_smp_ops;
-#endif
-
-static const char *gg2_memtypes[4] = {
-        "FPM", "SDRAM", "EDO", "BEDO"
-};
-static const char *gg2_cachesizes[4] = {
-        "256 KB", "512 KB", "1 MB", "Reserved"
-};
-static const char *gg2_cachetypes[4] = {
-        "Asynchronous", "Reserved", "Flow-Through Synchronous",
-        "Pipelined Synchronous"
-};
-static const char *gg2_cachemodes[4] = {
-        "Disabled", "Write-Through", "Copy-Back", "Transparent Mode"
-};
-
-int
-chrp_show_cpuinfo(struct seq_file *m)
-{
-        int i, sdramen;
-        unsigned int t;
-        struct device_node *root;
-        const char *model = "";
-
-        root = find_path_device("/");
-        if (root)
-                model = get_property(root, "model", NULL);
-        seq_printf(m, "machine\t\t: CHRP %s\n", model);
-
-        /* longtrail (goldengate) stuff */
-        if (!strncmp(model, "IBM,LongTrail", 13)) {
-                /* VLSI VAS96011/12 `Golden Gate 2' */
-                /* Memory banks */
-                sdramen = (in_le32(gg2_pci_config_base + GG2_PCI_DRAM_CTRL)
-                           >>31) & 1;
-                for (i = 0; i < (sdramen ? 4 : 6); i++) {
-                        t = in_le32(gg2_pci_config_base+
-                                                 GG2_PCI_DRAM_BANK0+
-                                                 i*4);
-                        if (!(t & 1))
-                                continue;
-                        switch ((t>>8) & 0x1f) {
-                        case 0x1f:
-                                model = "4 MB";
-                                break;
-                        case 0x1e:
-                                model = "8 MB";
-                                break;
-                        case 0x1c:
-                                model = "16 MB";
-                                break;
-                        case 0x18:
-                                model = "32 MB";
-                                break;
-                        case 0x10:
-                                model = "64 MB";
-                                break;
-                        case 0x00:
-                                model = "128 MB";
-                                break;
-                        default:
-                                model = "Reserved";
-                                break;
-                        }
-                        seq_printf(m, "memory bank %d\t: %s %s\n", i, model,
-                                   gg2_memtypes[sdramen ? 1 : ((t>>1) & 3)]);
-                }
-                /* L2 cache */
-                t = in_le32(gg2_pci_config_base+GG2_PCI_CC_CTRL);
-                seq_printf(m, "board l2\t: %s %s (%s)\n",
-                           gg2_cachesizes[(t>>7) & 3],
-                           gg2_cachetypes[(t>>2) & 3],
-                           gg2_cachemodes[t & 3]);
-        }
-        return 0;
-}
-
-/*
- *  Fixes for the National Semiconductor PC78308VUL SuperI/O
- *
- *  Some versions of Open Firmware incorrectly initialize the IRQ settings
- *  for keyboard and mouse
- */
-static inline void __init sio_write(u8 val, u8 index)
-{
-        outb(index, 0x15c);
-        outb(val, 0x15d);
-}
-
-static inline u8 __init sio_read(u8 index)
-{
-        outb(index, 0x15c);
-        return inb(0x15d);
-}
-
-static void __init sio_fixup_irq(const char *name, u8 device, u8 level,
-                                     u8 type)
-{
-        u8 level0, type0, active;
-
-        /* select logical device */
-        sio_write(device, 0x07);
-        active = sio_read(0x30);
-        level0 = sio_read(0x70);
-        type0 = sio_read(0x71);
-        if (level0 != level || type0 != type || !active) {
-                printk(KERN_WARNING "sio: %s irq level %d, type %d, %sactive: "
-                       "remapping to level %d, type %d, active\n",
-                       name, level0, type0, !active ? "in" : "", level, type);
-                sio_write(0x01, 0x30);
-                sio_write(level, 0x70);
-                sio_write(type, 0x71);
-        }
-}
-
-static void __init sio_init(void)
-{
-        struct device_node *root;
-
-        if ((root = find_path_device("/")) &&
-            !strncmp(get_property(root, "model", NULL), "IBM,LongTrail", 13)) {
-                /* logical device 0 (KBC/Keyboard) */
-                sio_fixup_irq("keyboard", 0, 1, 2);
-                /* select logical device 1 (KBC/Mouse) */
-                sio_fixup_irq("mouse", 1, 12, 2);
-        }
-}
-
-
-static void __init pegasos_set_l2cr(void)
-{
-        struct device_node *np;
-
-        /* On Pegasos, enable the l2 cache if needed, as the OF forgets it */
-        if (_chrp_type != _CHRP_Pegasos)
-                return;
-
-        /* Enable L2 cache if needed */
-        np = find_type_devices("cpu");
-        if (np != NULL) {
-                unsigned int *l2cr = (unsigned int *)
-                        get_property (np, "l2cr", NULL);
-                if (l2cr == NULL) {
-                        printk ("Pegasos l2cr : no cpu l2cr property found\n");
-                        return;
-                }
-                if (!((*l2cr) & 0x80000000)) {
-                        printk ("Pegasos l2cr : L2 cache was not active, "
-                                "activating\n");
-                        _set_L2CR(0);
-                        _set_L2CR((*l2cr) | 0x80000000);
-                }
-        }
-}
-
-void __init chrp_setup_arch(void)
-{
-        struct device_node *device;
-
-        /* init to some ~sane value until calibrate_delay() runs */
-        loops_per_jiffy = 50000000/HZ;
-
-#ifdef CONFIG_BLK_DEV_INITRD
-        /* this is fine for chrp */
-        initrd_below_start_ok = 1;
-
-        if (initrd_start)
-                ROOT_DEV = Root_RAM0;
-        else
-#endif
-                ROOT_DEV = Root_SDA2; /* sda2 (sda1 is for the kernel) */
-
-        /* On pegasos, enable the L2 cache if not already done by OF */
-        pegasos_set_l2cr();
-
-        /* Lookup PCI host bridges */
-        chrp_find_bridges();
-
-#ifndef CONFIG_PPC64BRIDGE
-        /*
-         *  Temporary fixes for PCI devices.
-         *  -- Geert
-         */
-        hydra_init();           /* Mac I/O */
-
-#endif /* CONFIG_PPC64BRIDGE */
-
-        /*
-         *  Fix the Super I/O configuration
-         */
-        sio_init();
-
-        /* Get the event scan rate for the rtas so we know how
-         * often it expects a heartbeat. -- Cort
-         */
-        if ( rtas_data ) {
-                struct property *p;
-                device = find_devices("rtas");
-                for ( p = device->properties;
-                      p && strncmp(p->name, "rtas-event-scan-rate", 20);
-                      p = p->next )
-                        /* nothing */ ;
-                if ( p && *(unsigned long *)p->value ) {
-                        ppc_md.heartbeat = chrp_event_scan;
-                        ppc_md.heartbeat_reset = (HZ/(*(unsigned long *)p->value)*30)-1;
-                        ppc_md.heartbeat_count = 1;
-                        printk("RTAS Event Scan Rate: %lu (%lu jiffies)\n",
-                               *(unsigned long *)p->value, ppc_md.heartbeat_reset );
-                }
-        }
-
-        pci_create_OF_bus_map();
-}
-
-void
-chrp_event_scan(void)
-{
-        unsigned char log[1024];
-        unsigned long ret = 0;
-        /* XXX: we should loop until the hardware says no more error logs -- Cort */
-        call_rtas( "event-scan", 4, 1, &ret, 0xffffffff, 0,
-                   __pa(log), 1024 );
-        ppc_md.heartbeat_count = ppc_md.heartbeat_reset;
-}
-
-void
-chrp_restart(char *cmd)
-{
-        printk("RTAS system-reboot returned %d\n",
-               call_rtas("system-reboot", 0, 1, NULL));
-        for (;;);
-}
-
-void
-chrp_power_off(void)
-{
-        /* allow power on only with power button press */
-        printk("RTAS power-off returned %d\n",
-               call_rtas("power-off", 2, 1, NULL,0xffffffff,0xffffffff));
-        for (;;);
-}
-
-void
-chrp_halt(void)
-{
-        chrp_power_off();
-}
-
-/*
- * Finds the open-pic node and sets OpenPIC_Addr based on its reg property.
- * Then checks if it has an interrupt-ranges property.  If it does then
- * we have a distributed open-pic, so call openpic_set_sources to tell
- * the openpic code where to find the interrupt source registers.
- */
-static void __init chrp_find_openpic(void)
-{
-        struct device_node *np;
-        int len, i;
-        unsigned int *iranges;
-        void __iomem *isu;
-
-        np = find_type_devices("open-pic");
-        if (np == NULL || np->n_addrs == 0)
-                return;
-        printk(KERN_INFO "OpenPIC at %x (size %x)\n",
-               np->addrs[0].address, np->addrs[0].size);
-        OpenPIC_Addr = ioremap(np->addrs[0].address, 0x40000);
-        if (OpenPIC_Addr == NULL) {
-                printk(KERN_ERR "Failed to map OpenPIC!\n");
-                return;
-        }
-
-        iranges = (unsigned int *) get_property(np, "interrupt-ranges", &len);
-        if (iranges == NULL || len < 2 * sizeof(unsigned int))
-                return;         /* not distributed */
-
-        /*
-         * The first pair of cells in interrupt-ranges refers to the
-         * IDU; subsequent pairs refer to the ISUs.
-         */
-        len /= 2 * sizeof(unsigned int);
-        if (np->n_addrs < len) {
-                printk(KERN_ERR "Insufficient addresses for distributed"
-                       " OpenPIC (%d < %d)\n", np->n_addrs, len);
-                return;
-        }
-        if (iranges[1] != 0) {
-                printk(KERN_INFO "OpenPIC irqs %d..%d in IDU\n",
-                       iranges[0], iranges[0] + iranges[1] - 1);
-                openpic_set_sources(iranges[0], iranges[1], NULL);
-        }
-        for (i = 1; i < len; ++i) {
-                iranges += 2;
-                printk(KERN_INFO "OpenPIC irqs %d..%d in ISU at %x (%x)\n",
-                       iranges[0], iranges[0] + iranges[1] - 1,
-                       np->addrs[i].address, np->addrs[i].size);
-                isu = ioremap(np->addrs[i].address, np->addrs[i].size);
-                if (isu != NULL)
-                        openpic_set_sources(iranges[0], iranges[1], isu);
-                else
-                        printk(KERN_ERR "Failed to map OpenPIC ISU at %x!\n",
-                               np->addrs[i].address);
-        }
-}
-
-#if defined(CONFIG_VT) && defined(CONFIG_INPUT_ADBHID) && defined(XMON)
-static struct irqaction xmon_irqaction = {
-        .handler = xmon_irq,
-        .mask = CPU_MASK_NONE,
-        .name = "XMON break",
-};
-#endif
-
-void __init chrp_init_IRQ(void)
-{
-        struct device_node *np;
-        unsigned long chrp_int_ack = 0;
-        unsigned char init_senses[NR_IRQS - NUM_8259_INTERRUPTS];
-#if defined(CONFIG_VT) && defined(CONFIG_INPUT_ADBHID) && defined(XMON)
-        struct device_node *kbd;
-#endif
-
-        for (np = find_devices("pci"); np != NULL; np = np->next) {
-                unsigned int *addrp = (unsigned int *)
-                        get_property(np, "8259-interrupt-acknowledge", NULL);
-
-                if (addrp == NULL)
-                        continue;
-                chrp_int_ack = addrp[prom_n_addr_cells(np)-1];
-                break;
-        }
-        if (np == NULL)
-                printk(KERN_ERR "Cannot find PCI interrupt acknowledge address\n");
-
-        chrp_find_openpic();
-
-        if (OpenPIC_Addr) {
-                prom_get_irq_senses(init_senses, NUM_8259_INTERRUPTS, NR_IRQS);
-                OpenPIC_InitSenses = init_senses;
-                OpenPIC_NumInitSenses = NR_IRQS - NUM_8259_INTERRUPTS;
-
-                openpic_init(NUM_8259_INTERRUPTS);
-                /* We have a cascade on OpenPIC IRQ 0, Linux IRQ 16 */
-                openpic_hookup_cascade(NUM_8259_INTERRUPTS, "82c59 cascade",
-                                       i8259_irq);
-
-        }
-        i8259_init(chrp_int_ack, 0);
-
-#if defined(CONFIG_VT) && defined(CONFIG_INPUT_ADBHID) && defined(XMON)
-        /* see if there is a keyboard in the device tree
-           with a parent of type "adb" */
-        for (kbd = find_devices("keyboard"); kbd; kbd = kbd->next)
-                if (kbd->parent && kbd->parent->type
-                    && strcmp(kbd->parent->type, "adb") == 0)
-                        break;
-        if (kbd)
-                setup_irq(HYDRA_INT_ADB_NMI, &xmon_irqaction);
-#endif
-}
-
-void __init
-chrp_init2(void)
-{
-#ifdef CONFIG_NVRAM
-        chrp_nvram_init();
-#endif
-
-        request_region(0x20,0x20,"pic1");
-        request_region(0xa0,0x20,"pic2");
-        request_region(0x00,0x20,"dma1");
-        request_region(0x40,0x20,"timer");
-        request_region(0x80,0x10,"dma page reg");
-        request_region(0xc0,0x20,"dma2");
-
-        if (ppc_md.progress)
-                ppc_md.progress("  Have fun!    ", 0x7777);
-}
-
-static struct device_node *memory_node;
-
-static int __init get_mem_prop(char *name, struct mem_pieces *mp)
-{
-        struct reg_property *rp;
-        int i, s;
-        unsigned int *ip;
-        int nac = prom_n_addr_cells(memory_node);
-        int nsc = prom_n_size_cells(memory_node);
-
-        ip = (unsigned int *) get_property(memory_node, name, &s);
-        if (ip == NULL) {
-                printk(KERN_ERR "error: couldn't get %s property on /memory\n",
-                       name);
-                return 0;
-        }
-        s /= (nsc + nac) * 4;
-        rp = mp->regions;
-        for (i = 0; i < s; ++i, ip += nac+nsc) {
-                if (nac >= 2 && ip[nac-2] != 0)
-                        continue;
-                rp->address = ip[nac-1];
-                if (nsc >= 2 && ip[nac+nsc-2] != 0)
-                        rp->size = ~0U;
-                else
-                        rp->size = ip[nac+nsc-1];
-                ++rp;
-        }
-        mp->n_regions = rp - mp->regions;
-
-        /* Make sure the pieces are sorted. */
-        mem_pieces_sort(mp);
-        mem_pieces_coalesce(mp);
-        return 1;
-}
-
-static unsigned long __init chrp_find_end_of_memory(void)
-{
-        unsigned long a, total;
-        struct mem_pieces phys_mem;
-
-        /*
-         * Find out where physical memory is, and check that it
-         * starts at 0 and is contiguous.  It seems that RAM is
-         * always physically contiguous on Power Macintoshes.
-         *
-         * Supporting discontiguous physical memory isn't hard,
-         * it just makes the virtual <-> physical mapping functions
-         * more complicated (or else you end up wasting space
-         * in mem_map).
-         */
-        memory_node = find_devices("memory");
-        if (memory_node == NULL || !get_mem_prop("reg", &phys_mem)
-            || phys_mem.n_regions == 0)
-                panic("No RAM??");
-        a = phys_mem.regions[0].address;
-        if (a != 0)
-                panic("RAM doesn't start at physical address 0");
-        total = phys_mem.regions[0].size;
-
-        if (phys_mem.n_regions > 1) {
-                printk("RAM starting at 0x%x is not contiguous\n",
-                       phys_mem.regions[1].address);
-                printk("Using RAM from 0 to 0x%lx\n", total-1);
-        }
-
-        return total;
-}
-
-void __init
-chrp_init(unsigned long r3, unsigned long r4, unsigned long r5,
-          unsigned long r6, unsigned long r7)
-{
-        struct device_node *root = find_path_device ("/");
-        char *machine = NULL;
-
-#ifdef CONFIG_BLK_DEV_INITRD
-        /* take care of initrd if we have one */
-        if ( r6 )
-        {
-                initrd_start = r6 + KERNELBASE;
-                initrd_end = r6 + r7 + KERNELBASE;
-        }
-#endif /* CONFIG_BLK_DEV_INITRD */
-
-        ISA_DMA_THRESHOLD = ~0L;
-        DMA_MODE_READ = 0x44;
-        DMA_MODE_WRITE = 0x48;
-        isa_io_base = CHRP_ISA_IO_BASE;         /* default value */
-        ppc_do_canonicalize_irqs = 1;
-
-        if (root)
-                machine = get_property(root, "model", NULL);
-        if (machine && strncmp(machine, "Pegasos", 7) == 0) {
-                _chrp_type = _CHRP_Pegasos;
-        } else if (machine && strncmp(machine, "IBM", 3) == 0) {
-                _chrp_type = _CHRP_IBM;
-        } else if (machine && strncmp(machine, "MOT", 3) == 0) {
-                _chrp_type = _CHRP_Motorola;
-        } else {
-                /* Let's assume it is an IBM chrp if all else fails */
-                _chrp_type = _CHRP_IBM;
-        }
-
-        ppc_md.setup_arch     = chrp_setup_arch;
-        ppc_md.show_percpuinfo = of_show_percpuinfo;
-        ppc_md.show_cpuinfo   = chrp_show_cpuinfo;
-
-        ppc_md.init_IRQ       = chrp_init_IRQ;
-        if (_chrp_type == _CHRP_Pegasos)
-                ppc_md.get_irq        = i8259_irq;
-        else
-                ppc_md.get_irq        = openpic_get_irq;
-
-        ppc_md.init           = chrp_init2;
-
-        ppc_md.phys_mem_access_prot = pci_phys_mem_access_prot;
-
-        ppc_md.restart        = chrp_restart;
-        ppc_md.power_off      = chrp_power_off;
-        ppc_md.halt           = chrp_halt;
-
-        ppc_md.time_init      = chrp_time_init;
-        ppc_md.set_rtc_time   = chrp_set_rtc_time;
-        ppc_md.get_rtc_time   = chrp_get_rtc_time;
-        ppc_md.calibrate_decr = chrp_calibrate_decr;
-
-        ppc_md.find_end_of_memory = chrp_find_end_of_memory;
-
-        if (rtas_data) {
-                struct device_node *rtas;
-                unsigned int *p;
-
-                rtas = find_devices("rtas");
-                if (rtas != NULL) {
-                        if (get_property(rtas, "display-character", NULL)) {
-                                ppc_md.progress = rtas_display_progress;
-                                p = (unsigned int *) get_property
-                                       (rtas, "ibm,display-line-length", NULL);
-                                if (p)
-                                        max_width = *p;
-                        } else if (get_property(rtas, "set-indicator", NULL))
-                                ppc_md.progress = rtas_indicator_progress;
-                }
-        }
-#ifdef CONFIG_BOOTX_TEXT
-        if (ppc_md.progress == NULL && boot_text_mapped)
-                ppc_md.progress = btext_progress;
-#endif
-
-#ifdef CONFIG_SMP
-        smp_ops = &chrp_smp_ops;
-#endif /* CONFIG_SMP */
-
-        /*
-         * Print the banner, then scroll down so boot progress
-         * can be printed.  -- Cort
-         */
-        if (ppc_md.progress) ppc_md.progress("Linux/PPC "UTS_RELEASE"\n", 0x0);
-}
-
-void
-rtas_display_progress(char *s, unsigned short hex)
-{
-        int width;
-        char *os = s;
-
-        if ( call_rtas( "display-character", 1, 1, NULL, '\r' ) )
-                return;
-
-        width = max_width;
-        while ( *os )
-        {
-                if ( (*os == '\n') || (*os == '\r') )
-                        width = max_width;
-                else
-                        width--;
-                call_rtas( "display-character", 1, 1, NULL, *os++ );
-                /* if we overwrite the screen length */
-                if ( width == 0 )
-                        while ( (*os != 0) && (*os != '\n') && (*os != '\r') )
-                                os++;
-        }
-
-        /*while ( width-- > 0 )*/
-        call_rtas( "display-character", 1, 1, NULL, ' ' );
-}
-
-void
-rtas_indicator_progress(char *s, unsigned short hex)
-{
-        call_rtas("set-indicator", 3, 1, NULL, 6, 0, hex);
-}
-
-#ifdef CONFIG_BOOTX_TEXT
-void
-btext_progress(char *s, unsigned short hex)
-{
-        prom_print(s);
-        prom_print("\n");
-}
-#endif /* CONFIG_BOOTX_TEXT */
diff --git a/arch/ppc/platforms/chrp_smp.c b/arch/ppc/platforms/chrp_smp.c
deleted file mode 100644
index 97e539557ecb..000000000000
--- a/arch/ppc/platforms/chrp_smp.c
+++ /dev/null
@@ -1,99 +0,0 @@
-/*
- * Smp support for CHRP machines.
- *
- * Written by Cort Dougan (cort@cs.nmt.edu) borrowing a great
- * deal of code from the sparc and intel versions.
- *
- * Copyright (C) 1999 Cort Dougan <cort@cs.nmt.edu>
- *
- */
-
-#include <linux/config.h>
-#include <linux/kernel.h>
-#include <linux/sched.h>
-#include <linux/smp.h>
-#include <linux/smp_lock.h>
-#include <linux/interrupt.h>
-#include <linux/kernel_stat.h>
-#include <linux/delay.h>
-#include <linux/init.h>
-#include <linux/spinlock.h>
-
-#include <asm/ptrace.h>
-#include <asm/atomic.h>
-#include <asm/irq.h>
-#include <asm/page.h>
-#include <asm/pgtable.h>
-#include <asm/sections.h>
-#include <asm/io.h>
-#include <asm/prom.h>
-#include <asm/smp.h>
-#include <asm/residual.h>
-#include <asm/time.h>
-#include <asm/open_pic.h>
-#include <asm/machdep.h>
-
-extern unsigned long smp_chrp_cpu_nr;
-
-static int __init
-smp_chrp_probe(void)
-{
-        if (smp_chrp_cpu_nr > 1)
-                openpic_request_IPIs();
-
-        return smp_chrp_cpu_nr;
-}
-
-static void __devinit
-smp_chrp_kick_cpu(int nr)
-{
-        *(unsigned long *)KERNELBASE = nr;
-        asm volatile("dcbf 0,%0"::"r"(KERNELBASE):"memory");
-}
-
-static void __devinit
-smp_chrp_setup_cpu(int cpu_nr)
-{
-        if (OpenPIC_Addr)
-                do_openpic_setup_cpu();
-}
-
-static DEFINE_SPINLOCK(timebase_lock);
-static unsigned int timebase_upper = 0, timebase_lower = 0;
-
-void __devinit
-smp_chrp_give_timebase(void)
-{
-        spin_lock(&timebase_lock);
-        call_rtas("freeze-time-base", 0, 1, NULL);
-        timebase_upper = get_tbu();
-        timebase_lower = get_tbl();
-        spin_unlock(&timebase_lock);
-
-        while (timebase_upper || timebase_lower)
-                barrier();
-        call_rtas("thaw-time-base", 0, 1, NULL);
-}
-
-void __devinit
-smp_chrp_take_timebase(void)
-{
-        while (!(timebase_upper || timebase_lower))
-                barrier();
-        spin_lock(&timebase_lock);
-        set_tb(timebase_upper, timebase_lower);
-        timebase_upper = 0;
-        timebase_lower = 0;
-        spin_unlock(&timebase_lock);
-        printk("CPU %i taken timebase\n", smp_processor_id());
-}
-
-/* CHRP with openpic */
-struct smp_ops_t chrp_smp_ops = {
-        .message_pass = smp_openpic_message_pass,
-        .probe = smp_chrp_probe,
-        .kick_cpu = smp_chrp_kick_cpu,
-        .setup_cpu = smp_chrp_setup_cpu,
-        .give_timebase = smp_chrp_give_timebase,
-        .take_timebase = smp_chrp_take_timebase,
-};
diff --git a/arch/ppc/platforms/chrp_time.c b/arch/ppc/platforms/chrp_time.c
deleted file mode 100644
index 51e06ad66168..000000000000
--- a/arch/ppc/platforms/chrp_time.c
+++ /dev/null
@@ -1,235 +0,0 @@
-/*
- *  Copyright (C) 1991, 1992, 1995  Linus Torvalds
- *
- * Adapted for PowerPC (PReP) by Gary Thomas
- * Modified by Cort Dougan (cort@cs.nmt.edu).
- * Copied and modified from arch/i386/kernel/time.c
- *
- */
-#include <linux/errno.h>
-#include <linux/sched.h>
-#include <linux/kernel.h>
-#include <linux/param.h>
-#include <linux/string.h>
-#include <linux/mm.h>
-#include <linux/interrupt.h>
-#include <linux/time.h>
-#include <linux/timex.h>
-#include <linux/kernel_stat.h>
-#include <linux/mc146818rtc.h>
-#include <linux/init.h>
-#include <linux/bcd.h>
-
-#include <asm/io.h>
-#include <asm/nvram.h>
-#include <asm/prom.h>
-#include <asm/sections.h>
-#include <asm/time.h>
-
-extern spinlock_t rtc_lock;
-
-static int nvram_as1 = NVRAM_AS1;
-static int nvram_as0 = NVRAM_AS0;
-static int nvram_data = NVRAM_DATA;
-
-long __init chrp_time_init(void)
-{
-        struct device_node *rtcs;
-        int base;
-
-        rtcs = find_compatible_devices("rtc", "pnpPNP,b00");
-        if (rtcs == NULL)
-                rtcs = find_compatible_devices("rtc", "ds1385-rtc");
-        if (rtcs == NULL || rtcs->addrs == NULL)
-                return 0;
-        base = rtcs->addrs[0].address;
-        nvram_as1 = 0;
-        nvram_as0 = base;
-        nvram_data = base + 1;
-
-        return 0;
-}
-
-int chrp_cmos_clock_read(int addr)
-{
-        if (nvram_as1 != 0)
-                outb(addr>>8, nvram_as1);
-        outb(addr, nvram_as0);
-        return (inb(nvram_data));
-}
-
-void chrp_cmos_clock_write(unsigned long val, int addr)
-{
-        if (nvram_as1 != 0)
-                outb(addr>>8, nvram_as1);
-        outb(addr, nvram_as0);
-        outb(val, nvram_data);
-        return;
-}
-
-/*
- * Set the hardware clock. -- Cort
- */
-int chrp_set_rtc_time(unsigned long nowtime)
-{
-        unsigned char save_control, save_freq_select;
-        struct rtc_time tm;
-
-        spin_lock(&rtc_lock);
-        to_tm(nowtime, &tm);
-
-        save_control = chrp_cmos_clock_read(RTC_CONTROL); /* tell the clock it's being set */
-
-        chrp_cmos_clock_write((save_control|RTC_SET), RTC_CONTROL);
-
-        save_freq_select = chrp_cmos_clock_read(RTC_FREQ_SELECT); /* stop and reset prescaler */
-
-        chrp_cmos_clock_write((save_freq_select|RTC_DIV_RESET2), RTC_FREQ_SELECT);
-
-        tm.tm_year -= 1900;
-        if (!(save_control & RTC_DM_BINARY) || RTC_ALWAYS_BCD) {
-                BIN_TO_BCD(tm.tm_sec);
-                BIN_TO_BCD(tm.tm_min);
-                BIN_TO_BCD(tm.tm_hour);
-                BIN_TO_BCD(tm.tm_mon);
-                BIN_TO_BCD(tm.tm_mday);
-                BIN_TO_BCD(tm.tm_year);
-        }
-        chrp_cmos_clock_write(tm.tm_sec,RTC_SECONDS);
-        chrp_cmos_clock_write(tm.tm_min,RTC_MINUTES);
-        chrp_cmos_clock_write(tm.tm_hour,RTC_HOURS);
-        chrp_cmos_clock_write(tm.tm_mon,RTC_MONTH);
-        chrp_cmos_clock_write(tm.tm_mday,RTC_DAY_OF_MONTH);
-        chrp_cmos_clock_write(tm.tm_year,RTC_YEAR);
-
-        /* The following flags have to be released exactly in this order,
-         * otherwise the DS12887 (popular MC146818A clone with integrated
-         * battery and quartz) will not reset the oscillator and will not
-         * update precisely 500 ms later. You won't find this mentioned in
-         * the Dallas Semiconductor data sheets, but who believes data
-         * sheets anyway ...                           -- Markus Kuhn
-         */
-        chrp_cmos_clock_write(save_control, RTC_CONTROL);
-        chrp_cmos_clock_write(save_freq_select, RTC_FREQ_SELECT);
-
-        spin_unlock(&rtc_lock);
-        return 0;
-}
-
-unsigned long chrp_get_rtc_time(void)
-{
-        unsigned int year, mon, day, hour, min, sec;
-
-        do {
-                sec = chrp_cmos_clock_read(RTC_SECONDS);
-                min = chrp_cmos_clock_read(RTC_MINUTES);
-                hour = chrp_cmos_clock_read(RTC_HOURS);
-                day = chrp_cmos_clock_read(RTC_DAY_OF_MONTH);
-                mon = chrp_cmos_clock_read(RTC_MONTH);
-                year = chrp_cmos_clock_read(RTC_YEAR);
-        } while (sec != chrp_cmos_clock_read(RTC_SECONDS));
-
-        if (!(chrp_cmos_clock_read(RTC_CONTROL) & RTC_DM_BINARY)
-            || RTC_ALWAYS_BCD) {
-                BCD_TO_BIN(sec);
-                BCD_TO_BIN(min);
-                BCD_TO_BIN(hour);
-                BCD_TO_BIN(day);
-                BCD_TO_BIN(mon);
-                BCD_TO_BIN(year);
-        }
-
-        year += 1900;
-        if (year < 1970)
-                year += 100;
-        return mktime(year, mon, day, hour, min, sec);
-}
-
-/*
- * Calibrate the decrementer frequency with the VIA timer 1.
- */
-#define VIA_TIMER_FREQ_6        4700000 /* time 1 frequency * 6 */
-
-/* VIA registers */
-#define RS              0x200           /* skip between registers */
-#define T1CL            (4*RS)          /* Timer 1 ctr/latch (low 8 bits) */
-#define T1CH            (5*RS)          /* Timer 1 counter (high 8 bits) */
-#define T1LL            (6*RS)          /* Timer 1 latch (low 8 bits) */
-#define T1LH            (7*RS)          /* Timer 1 latch (high 8 bits) */
-#define ACR             (11*RS)         /* Auxiliary control register */
-#define IFR             (13*RS)         /* Interrupt flag register */
-
-/* Bits in ACR */
-#define T1MODE          0xc0            /* Timer 1 mode */
-#define T1MODE_CONT     0x40            /*  continuous interrupts */
-
-/* Bits in IFR and IER */
-#define T1_INT          0x40            /* Timer 1 interrupt */
-
-static int __init chrp_via_calibrate_decr(void)
-{
-        struct device_node *vias;
-        volatile unsigned char __iomem *via;
-        int count = VIA_TIMER_FREQ_6 / 100;
-        unsigned int dstart, dend;
-
-        vias = find_devices("via-cuda");
-        if (vias == 0)
-                vias = find_devices("via");
-        if (vias == 0 || vias->n_addrs == 0)
-                return 0;
-        via = ioremap(vias->addrs[0].address, vias->addrs[0].size);
-
-        /* set timer 1 for continuous interrupts */
-        out_8(&via[ACR], (via[ACR] & ~T1MODE) | T1MODE_CONT);
-        /* set the counter to a small value */
-        out_8(&via[T1CH], 2);
-        /* set the latch to `count' */
-        out_8(&via[T1LL], count);
-        out_8(&via[T1LH], count >> 8);
-        /* wait until it hits 0 */
-        while ((in_8(&via[IFR]) & T1_INT) == 0)
-                ;
-        dstart = get_dec();
-        /* clear the interrupt & wait until it hits 0 again */
-        in_8(&via[T1CL]);
-        while ((in_8(&via[IFR]) & T1_INT) == 0)
-                ;
-        dend = get_dec();
-
-        tb_ticks_per_jiffy = (dstart - dend) / ((6 * HZ)/100);
-        tb_to_us = mulhwu_scale_factor(dstart - dend, 60000);
-
-        printk(KERN_INFO "via_calibrate_decr: ticks per jiffy = %u (%u ticks)\n",
-               tb_ticks_per_jiffy, dstart - dend);
-
-        iounmap(via);
-        
-        return 1;
-}
-
-void __init chrp_calibrate_decr(void)
-{
-        struct device_node *cpu;
-        unsigned int freq, *fp;
-
-        if (chrp_via_calibrate_decr())
-                return;
-
-        /*
-         * The cpu node should have a timebase-frequency property
-         * to tell us the rate at which the decrementer counts.
-         */
-        freq = 16666000;                /* hardcoded default */
-        cpu = find_type_devices("cpu");
-        if (cpu != 0) {
-                fp = (unsigned int *)
-                        get_property(cpu, "timebase-frequency", NULL);
-                if (fp != 0)
-                        freq = *fp;
-        }
-        printk("time_init: decrementer frequency = %u.%.6u MHz\n",
-               freq/1000000, freq%1000000);
-        tb_ticks_per_jiffy = freq / HZ;
-        tb_to_us = mulhwu_scale_factor(freq, 1000000);
-}
diff --git a/arch/ppc/platforms/lite5200.c b/arch/ppc/platforms/lite5200.c
index 5171b53bccb5..fecbe9adc9e0 100644
--- a/arch/ppc/platforms/lite5200.c
+++ b/arch/ppc/platforms/lite5200.c
@@ -34,8 +34,7 @@
 #include <asm/mpc52xx.h>
 #include <asm/ppc_sys.h>
 #include <asm/machdep.h>
-
-#include <syslib/mpc52xx_pci.h>
+#include <asm/pci-bridge.h>
 
 
 extern int powersave_nap;
@@ -68,44 +67,53 @@ lite5200_show_cpuinfo(struct seq_file *m)
 }
 
 #ifdef CONFIG_PCI
+#ifdef CONFIG_LITE5200B
+static int
+lite5200_map_irq(struct pci_dev *dev, unsigned char idsel,
+                    unsigned char pin)
+{
+        static char pci_irq_table[][4] =
+        /*
+         *      PCI IDSEL/INTPIN->INTLINE
+         *        A             B             C             D
+         */
+        {
+                {MPC52xx_IRQ0, MPC52xx_IRQ1, MPC52xx_IRQ2, MPC52xx_IRQ3},
+                {MPC52xx_IRQ1, MPC52xx_IRQ2, MPC52xx_IRQ3, MPC52xx_IRQ0},
+        };
+
+        const long min_idsel = 24, max_idsel = 25, irqs_per_slot = 4;
+        return PCI_IRQ_TABLE_LOOKUP;
+}
+#else /* Original Lite */
 static int
 lite5200_map_irq(struct pci_dev *dev, unsigned char idsel, unsigned char pin)
 {
         return (pin == 1) && (idsel==24) ? MPC52xx_IRQ0 : -1;
 }
 #endif
+#endif
 
 static void __init
 lite5200_setup_cpu(void)
 {
-        struct mpc52xx_cdm  __iomem *cdm;
         struct mpc52xx_gpio __iomem *gpio;
         struct mpc52xx_intr __iomem *intr;
-        struct mpc52xx_xlb  __iomem *xlb;
 
         u32 port_config;
         u32 intr_ctrl;
 
         /* Map zones */
-        cdm  = ioremap(MPC52xx_PA(MPC52xx_CDM_OFFSET), MPC52xx_CDM_SIZE);
         gpio = ioremap(MPC52xx_PA(MPC52xx_GPIO_OFFSET), MPC52xx_GPIO_SIZE);
-        xlb  = ioremap(MPC52xx_PA(MPC52xx_XLB_OFFSET), MPC52xx_XLB_SIZE);
         intr = ioremap(MPC52xx_PA(MPC52xx_INTR_OFFSET), MPC52xx_INTR_SIZE);
 
-        if (!cdm || !gpio || !xlb || !intr) {
-                printk("lite5200.c: Error while mapping CDM/GPIO/XLB/INTR during"
-                                "lite5200_setup_cpu\n");
+        if (!gpio || !intr) {
+                printk(KERN_ERR __FILE__ ": "
+                        "Error while mapping GPIO/INTR during "
+                        "lite5200_setup_cpu\n");
                 goto unmap_regs;
         }
 
-        /* Use internal 48 Mhz */
-        out_8(&cdm->ext_48mhz_en, 0x00);
-        out_8(&cdm->fd_enable, 0x01);
-        if (in_be32(&cdm->rstcfg) & 0x40)       /* Assumes 33Mhz clock */
-                out_be16(&cdm->fd_counters, 0x0001);
-        else
-                out_be16(&cdm->fd_counters, 0x5555);
-
         /* Get port mux config */
         port_config = in_be32(&gpio->port_config);
 
@@ -116,29 +124,29 @@ lite5200_setup_cpu(void)
         port_config &= ~0x00007000;     /* Differential mode - USB1 only */
         port_config |=  0x00001000;
 
+        /* ATA CS is on csb_4/5 */
+        port_config &= ~0x03000000;
+        port_config |=  0x01000000;
+
         /* Commit port config */
         out_be32(&gpio->port_config, port_config);
 
-        /* Configure the XLB Arbiter */
-        out_be32(&xlb->master_pri_enable, 0xff);
-        out_be32(&xlb->master_priority, 0x11111111);
-
-        /* Enable ram snooping for 1GB window */
-        out_be32(&xlb->config, in_be32(&xlb->config) | MPC52xx_XLB_CFG_SNOOP);
-        out_be32(&xlb->snoop_window, MPC52xx_PCI_TARGET_MEM | 0x1d);
-
-        /* IRQ[0-3] setup : IRQ0     - Level Active Low  */
-        /*                  IRQ[1-3] - Level Active High */
+        /* IRQ[0-3] setup */
         intr_ctrl = in_be32(&intr->ctrl);
         intr_ctrl &= ~0x00ff0000;
-        intr_ctrl |=  0x00c00000;
+#ifdef CONFIG_LITE5200B
+        /* IRQ[0-3] Level Active Low */
+        intr_ctrl |=  0x00ff0000;
+#else
+        /* IRQ0 Level Active Low
+         * IRQ[1-3] Level Active High */
+        intr_ctrl |=  0x00c00000;
+#endif
         out_be32(&intr->ctrl, intr_ctrl);
 
         /* Unmap reg zone */
 unmap_regs:
-        if (cdm)  iounmap(cdm);
         if (gpio) iounmap(gpio);
-        if (xlb)  iounmap(xlb);
         if (intr) iounmap(intr);
 }
 
@@ -146,7 +154,8 @@ static void __init
 lite5200_setup_arch(void)
 {
         /* CPU & Port mux setup */
-        lite5200_setup_cpu();
+        mpc52xx_setup_cpu();    /* Generic */
+        lite5200_setup_cpu();   /* Platform specific */
 
 #ifdef CONFIG_PCI
         /* PCI Bridge setup */
diff --git a/arch/ppc/platforms/prep_setup.c b/arch/ppc/platforms/prep_setup.c
index d95c05d9824d..e86f6156d589 100644
--- a/arch/ppc/platforms/prep_setup.c
+++ b/arch/ppc/platforms/prep_setup.c
@@ -1067,15 +1067,13 @@ prep_map_io(void)
 static int __init
 prep_request_io(void)
 {
-        if (_machine == _MACH_prep) {
 #ifdef CONFIG_NVRAM
-                request_region(PREP_NVRAM_AS0, 0x8, "nvram");
+        request_region(PREP_NVRAM_AS0, 0x8, "nvram");
 #endif
-                request_region(0x00,0x20,"dma1");
-                request_region(0x40,0x20,"timer");
-                request_region(0x80,0x10,"dma page reg");
-                request_region(0xc0,0x20,"dma2");
-        }
+        request_region(0x00,0x20,"dma1");
+        request_region(0x40,0x20,"timer");
+        request_region(0x80,0x10,"dma page reg");
+        request_region(0xc0,0x20,"dma2");
 
         return 0;
 }
diff --git a/arch/ppc/syslib/Makefile b/arch/ppc/syslib/Makefile
index 5cb62c6a51c8..490749ca88f9 100644
--- a/arch/ppc/syslib/Makefile
+++ b/arch/ppc/syslib/Makefile
@@ -38,8 +38,6 @@ endif
 obj-$(CONFIG_8xx)               += m8xx_setup.o ppc8xx_pic.o $(wdt-mpc8xx-y) \
                                    ppc_sys.o mpc8xx_devices.o mpc8xx_sys.o
 obj-$(CONFIG_PCI_QSPAN)         += qspan_pci.o
-obj-$(CONFIG_PPC_OF)            += prom_init.o prom.o
-obj-$(CONFIG_PPC_CHRP)          += open_pic.o
 obj-$(CONFIG_PPC_PREP)          += open_pic.o todc_time.o
 obj-$(CONFIG_BAMBOO)            += pci_auto.o todc_time.o
 obj-$(CONFIG_CPCI690)           += todc_time.o pci_auto.o
diff --git a/arch/ppc/syslib/mpc52xx_pci.c b/arch/ppc/syslib/mpc52xx_pci.c
index 9ec525f9fe98..5a5a7a9cd248 100644
--- a/arch/ppc/syslib/mpc52xx_pci.c
+++ b/arch/ppc/syslib/mpc52xx_pci.c
@@ -225,7 +225,8 @@ mpc52xx_pci_fixup_resources(struct pci_dev *dev)
         /* The PCI Host bridge of MPC52xx has a prefetch memory resource
            fixed to 1Gb. Doesn't fit in the resource system so we remove it */
         if ( (dev->vendor == PCI_VENDOR_ID_MOTOROLA) &&
-             (dev->device == PCI_DEVICE_ID_MOTOROLA_MPC5200) ) {
+             (   dev->device == PCI_DEVICE_ID_MOTOROLA_MPC5200
+              || dev->device == PCI_DEVICE_ID_MOTOROLA_MPC5200B) ) {
                 struct resource *res = &dev->resource[1];
                 res->start = res->end = res->flags = 0;
         }
diff --git a/arch/ppc/syslib/mpc52xx_setup.c b/arch/ppc/syslib/mpc52xx_setup.c
index 2ee48ce0a517..ee6379bb415e 100644
--- a/arch/ppc/syslib/mpc52xx_setup.c
+++ b/arch/ppc/syslib/mpc52xx_setup.c
@@ -24,6 +24,8 @@
 #include <asm/pgtable.h>
 #include <asm/ppcboot.h>
 
+#include <syslib/mpc52xx_pci.h>
+
 extern bd_t __res;
 
 static int core_mult[] = {              /* CPU Frequency multiplier, taken    */
@@ -216,6 +218,52 @@ mpc52xx_calibrate_decr(void)
         tb_to_us = mulhwu_scale_factor(xlbfreq / divisor, 1000000);
 }
 
+
+void __init
+mpc52xx_setup_cpu(void)
+{
+        struct mpc52xx_cdm  __iomem *cdm;
+        struct mpc52xx_xlb  __iomem *xlb;
+
+        /* Map zones */
+        cdm  = ioremap(MPC52xx_PA(MPC52xx_CDM_OFFSET), MPC52xx_CDM_SIZE);
+        xlb  = ioremap(MPC52xx_PA(MPC52xx_XLB_OFFSET), MPC52xx_XLB_SIZE);
+
+        if (!cdm || !xlb) {
+                printk(KERN_ERR __FILE__ ": "
+                        "Error while mapping CDM/XLB during "
+                        "mpc52xx_setup_cpu\n");
+                goto unmap_regs;
+        }
+
+        /* Use internal 48 Mhz */
+        out_8(&cdm->ext_48mhz_en, 0x00);
+        out_8(&cdm->fd_enable, 0x01);
+        if (in_be32(&cdm->rstcfg) & 0x40)       /* Assumes 33Mhz clock */
+                out_be16(&cdm->fd_counters, 0x0001);
+        else
+                out_be16(&cdm->fd_counters, 0x5555);
+
+        /* Configure the XLB Arbiter priorities */
+        out_be32(&xlb->master_pri_enable, 0xff);
+        out_be32(&xlb->master_priority, 0x11111111);
+
+        /* Enable ram snooping for 1GB window */
+        out_be32(&xlb->config, in_be32(&xlb->config) | MPC52xx_XLB_CFG_SNOOP);
+        out_be32(&xlb->snoop_window, MPC52xx_PCI_TARGET_MEM | 0x1d);
+
+        /* Disable XLB pipelining */
+        /* (cfr errate 292. We could do this only just before ATA PIO
+            transaction and re-enable it after ...) */
+        out_be32(&xlb->config, in_be32(&xlb->config) | MPC52xx_XLB_CFG_PLDIS);
+
+        /* Unmap reg zone */
+unmap_regs:
+        if (cdm)  iounmap(cdm);
+        if (xlb)  iounmap(xlb);
+}
+
+
 int mpc52xx_match_psc_function(int psc_idx, const char *func)
 {
         struct mpc52xx_psc_func *cf = mpc52xx_psc_functions;
diff --git a/arch/ppc/syslib/open_pic.c b/arch/ppc/syslib/open_pic.c
index 38e5b93fbe41..70456c8f998c 100644
--- a/arch/ppc/syslib/open_pic.c
+++ b/arch/ppc/syslib/open_pic.c
@@ -216,7 +216,7 @@ static void openpic_safe_writefield(volatile u_int __iomem *addr, u_int mask,
 u_int openpic_read_IPI(volatile u_int __iomem * addr)
 {
          u_int val = 0;
-#if defined(OPENPIC_BIG_ENDIAN) || defined(CONFIG_POWER3)
+#if defined(OPENPIC_BIG_ENDIAN)
         val = in_be32(addr);
 #else
         val = in_le32(addr);
diff --git a/arch/ppc/syslib/prom.c b/arch/ppc/syslib/prom.c
deleted file mode 100644
index 482f837fd373..000000000000
--- a/arch/ppc/syslib/prom.c
+++ /dev/null
@@ -1,1429 +0,0 @@
-/*
- * Procedures for interfacing to the Open Firmware PROM on
- * Power Macintosh computers.
- *
- * In particular, we are interested in the device tree
- * and in using some of its services (exit, write to stdout).
- *
- * Paul Mackerras       August 1996.
- * Copyright (C) 1996 Paul Mackerras.
- */
-#include <stdarg.h>
-#include <linux/config.h>
-#include <linux/kernel.h>
-#include <linux/string.h>
-#include <linux/init.h>
-#include <linux/threads.h>
-#include <linux/spinlock.h>
-#include <linux/ioport.h>
-#include <linux/pci.h>
-#include <linux/slab.h>
-#include <linux/bitops.h>
-
-#include <asm/sections.h>
-#include <asm/prom.h>
-#include <asm/page.h>
-#include <asm/processor.h>
-#include <asm/irq.h>
-#include <asm/io.h>
-#include <asm/smp.h>
-#include <asm/bootx.h>
-#include <asm/system.h>
-#include <asm/mmu.h>
-#include <asm/pgtable.h>
-#include <asm/bootinfo.h>
-#include <asm/btext.h>
-#include <asm/pci-bridge.h>
-#include <asm/open_pic.h>
-
-
-struct pci_address {
-        unsigned a_hi;
-        unsigned a_mid;
-        unsigned a_lo;
-};
-
-struct pci_reg_property {
-        struct pci_address addr;
-        unsigned size_hi;
-        unsigned size_lo;
-};
-
-struct isa_reg_property {
-        unsigned space;
-        unsigned address;
-        unsigned size;
-};
-
-typedef unsigned long interpret_func(struct device_node *, unsigned long,
-                                     int, int);
-static interpret_func interpret_pci_props;
-static interpret_func interpret_dbdma_props;
-static interpret_func interpret_isa_props;
-static interpret_func interpret_macio_props;
-static interpret_func interpret_root_props;
-
-extern char *klimit;
-
-/* Set for a newworld or CHRP machine */
-int use_of_interrupt_tree;
-struct device_node *dflt_interrupt_controller;
-int num_interrupt_controllers;
-
-extern unsigned int rtas_entry;  /* physical pointer */
-
-extern struct device_node *allnodes;
-
-static unsigned long finish_node(struct device_node *, unsigned long,
-                                 interpret_func *, int, int);
-static unsigned long finish_node_interrupts(struct device_node *, unsigned long);
-static struct device_node *find_phandle(phandle);
-
-extern void enter_rtas(void *);
-void phys_call_rtas(int, int, int, ...);
-
-extern char cmd_line[512];      /* XXX */
-extern boot_infos_t *boot_infos;
-unsigned long dev_tree_size;
-
-void
-phys_call_rtas(int service, int nargs, int nret, ...)
-{
-        va_list list;
-        union {
-                unsigned long words[16];
-                double align;
-        } u;
-        void (*rtas)(void *, unsigned long);
-        int i;
-
-        u.words[0] = service;
-        u.words[1] = nargs;
-        u.words[2] = nret;
-        va_start(list, nret);
-        for (i = 0; i < nargs; ++i)
-                u.words[i+3] = va_arg(list, unsigned long);
-        va_end(list);
-
-        rtas = (void (*)(void *, unsigned long)) rtas_entry;
-        rtas(&u, rtas_data);
-}
-
-/*
- * finish_device_tree is called once things are running normally
- * (i.e. with text and data mapped to the address they were linked at).
- * It traverses the device tree and fills in the name, type,
- * {n_}addrs and {n_}intrs fields of each node.
- */
-void __init
-finish_device_tree(void)
-{
-        unsigned long mem = (unsigned long) klimit;
-        struct device_node *np;
-
-        /* All CHRPs now use the interrupt tree */
-        for (np = allnodes; np != NULL; np = np->allnext) {
-                if (get_property(np, "interrupt-parent", NULL)) {
-                        use_of_interrupt_tree = 1;
-                        break;
-                }
-        }
-
-        if (use_of_interrupt_tree) {
-                /*
-                 * We want to find out here how many interrupt-controller
-                 * nodes there are, and if we are booted from BootX,
-                 * we need a pointer to the first (and hopefully only)
-                 * such node.  But we can't use find_devices here since
-                 * np->name has not been set yet.  -- paulus
-                 */
-                int n = 0;
-                char *name, *ic;
-                int iclen;
-
-                for (np = allnodes; np != NULL; np = np->allnext) {
-                        ic = get_property(np, "interrupt-controller", &iclen);
-                        name = get_property(np, "name", NULL);
-                        /* checking iclen makes sure we don't get a false
-                           match on /chosen.interrupt_controller */
-                        if ((name != NULL
-                             && strcmp(name, "interrupt-controller") == 0)
-                            || (ic != NULL && iclen == 0 && strcmp(name, "AppleKiwi"))) {
-                                if (n == 0)
-                                        dflt_interrupt_controller = np;
-                                ++n;
-                        }
-                }
-                num_interrupt_controllers = n;
-        }
-
-        mem = finish_node(allnodes, mem, NULL, 1, 1);
-        dev_tree_size = mem - (unsigned long) allnodes;
-        klimit = (char *) mem;
-}
-
-static unsigned long __init
-finish_node(struct device_node *np, unsigned long mem_start,
-            interpret_func *ifunc, int naddrc, int nsizec)
-{
-        struct device_node *child;
-        int *ip;
-
-        np->name = get_property(np, "name", NULL);
-        np->type = get_property(np, "device_type", NULL);
-
-        if (!np->name)
-                np->name = "<NULL>";
-        if (!np->type)
-                np->type = "<NULL>";
-
-        /* get the device addresses and interrupts */
-        if (ifunc != NULL)
-                mem_start = ifunc(np, mem_start, naddrc, nsizec);
-
-        if (use_of_interrupt_tree)
-                mem_start = finish_node_interrupts(np, mem_start);
-
-        /* Look for #address-cells and #size-cells properties. */
-        ip = (int *) get_property(np, "#address-cells", NULL);
-        if (ip != NULL)
-                naddrc = *ip;
-        ip = (int *) get_property(np, "#size-cells", NULL);
-        if (ip != NULL)
-                nsizec = *ip;
-
-        if (np->parent == NULL)
-                ifunc = interpret_root_props;
-        else if (np->type == 0)
-                ifunc = NULL;
-        else if (!strcmp(np->type, "pci") || !strcmp(np->type, "vci"))
-                ifunc = interpret_pci_props;
-        else if (!strcmp(np->type, "dbdma"))
-                ifunc = interpret_dbdma_props;
-        else if (!strcmp(np->type, "mac-io")
-                 || ifunc == interpret_macio_props)
-                ifunc = interpret_macio_props;
-        else if (!strcmp(np->type, "isa"))
-                ifunc = interpret_isa_props;
-        else if (!strcmp(np->name, "uni-n") || !strcmp(np->name, "u3"))
-                ifunc = interpret_root_props;
-        else if (!((ifunc == interpret_dbdma_props
-                    || ifunc == interpret_macio_props)
-                   && (!strcmp(np->type, "escc")
-                       || !strcmp(np->type, "media-bay"))))
-                ifunc = NULL;
-
-        /* if we were booted from BootX, convert the full name */
-        if (boot_infos
-            && strncmp(np->full_name, "Devices:device-tree", 19) == 0) {
-                if (np->full_name[19] == 0) {
-                        strcpy(np->full_name, "/");
-                } else if (np->full_name[19] == ':') {
-                        char *p = np->full_name + 19;
-                        np->full_name = p;
-                        for (; *p; ++p)
-                                if (*p == ':')
-                                        *p = '/';
-                }
-        }
-
-        for (child = np->child; child != NULL; child = child->sibling)
-                mem_start = finish_node(child, mem_start, ifunc,
-                                        naddrc, nsizec);
-
-        return mem_start;
-}
-
-/*
- * Find the interrupt parent of a node.
- */
-static struct device_node * __init
-intr_parent(struct device_node *p)
-{
-        phandle *parp;
-
-        parp = (phandle *) get_property(p, "interrupt-parent", NULL);
-        if (parp == NULL)
-                return p->parent;
-        p = find_phandle(*parp);
-        if (p != NULL)
-                return p;
-        /*
-         * On a powermac booted with BootX, we don't get to know the
-         * phandles for any nodes, so find_phandle will return NULL.
-         * Fortunately these machines only have one interrupt controller
-         * so there isn't in fact any ambiguity.  -- paulus
-         */
-        if (num_interrupt_controllers == 1)
-                p = dflt_interrupt_controller;
-        return p;
-}
-
-/*
- * Find out the size of each entry of the interrupts property
- * for a node.
- */
-static int __init
-prom_n_intr_cells(struct device_node *np)
-{
-        struct device_node *p;
-        unsigned int *icp;
-
-        for (p = np; (p = intr_parent(p)) != NULL; ) {
-                icp = (unsigned int *)
-                        get_property(p, "#interrupt-cells", NULL);
-                if (icp != NULL)
-                        return *icp;
-                if (get_property(p, "interrupt-controller", NULL) != NULL
-                    || get_property(p, "interrupt-map", NULL) != NULL) {
-                        printk("oops, node %s doesn't have #interrupt-cells\n",
-                               p->full_name);
-                        return 1;
-                }
-        }
-        printk("prom_n_intr_cells failed for %s\n", np->full_name);
-        return 1;
-}
-
-/*
- * Map an interrupt from a device up to the platform interrupt
- * descriptor.
- */
-static int __init
-map_interrupt(unsigned int **irq, struct device_node **ictrler,
-              struct device_node *np, unsigned int *ints, int nintrc)
-{
-        struct device_node *p, *ipar;
-        unsigned int *imap, *imask, *ip;
-        int i, imaplen, match;
-        int newintrc = 1, newaddrc = 1;
-        unsigned int *reg;
-        int naddrc;
-
-        reg = (unsigned int *) get_property(np, "reg", NULL);
-        naddrc = prom_n_addr_cells(np);
-        p = intr_parent(np);
-        while (p != NULL) {
-                if (get_property(p, "interrupt-controller", NULL) != NULL)
-                        /* this node is an interrupt controller, stop here */
-                        break;
-                imap = (unsigned int *)
-                        get_property(p, "interrupt-map", &imaplen);
-                if (imap == NULL) {
-                        p = intr_parent(p);
-                        continue;
-                }
-                imask = (unsigned int *)
-                        get_property(p, "interrupt-map-mask", NULL);
-                if (imask == NULL) {
-                        printk("oops, %s has interrupt-map but no mask\n",
-                               p->full_name);
-                        return 0;
-                }
-                imaplen /= sizeof(unsigned int);
-                match = 0;
-                ipar = NULL;
-                while (imaplen > 0 && !match) {
-                        /* check the child-interrupt field */
-                        match = 1;
-                        for (i = 0; i < naddrc && match; ++i)
-                                match = ((reg[i] ^ imap[i]) & imask[i]) == 0;
-                        for (; i < naddrc + nintrc && match; ++i)
-                                match = ((ints[i-naddrc] ^ imap[i]) & imask[i]) == 0;
-                        imap += naddrc + nintrc;
-                        imaplen -= naddrc + nintrc;
-                        /* grab the interrupt parent */
-                        ipar = find_phandle((phandle) *imap++);
-                        --imaplen;
-                        if (ipar == NULL && num_interrupt_controllers == 1)
-                                /* cope with BootX not giving us phandles */
-                                ipar = dflt_interrupt_controller;
-                        if (ipar == NULL) {
-                                printk("oops, no int parent %x in map of %s\n",
-                                       imap[-1], p->full_name);
-                                return 0;
-                        }
-                        /* find the parent's # addr and intr cells */
-                        ip = (unsigned int *)
-                                get_property(ipar, "#interrupt-cells", NULL);
-                        if (ip == NULL) {
-                                printk("oops, no #interrupt-cells on %s\n",
-                                       ipar->full_name);
-                                return 0;
-                        }
-                        newintrc = *ip;
-                        ip = (unsigned int *)
-                                get_property(ipar, "#address-cells", NULL);
-                        newaddrc = (ip == NULL)? 0: *ip;
-                        imap += newaddrc + newintrc;
-                        imaplen -= newaddrc + newintrc;
-                }
-                if (imaplen < 0) {
-                        printk("oops, error decoding int-map on %s, len=%d\n",
-                               p->full_name, imaplen);
-                        return 0;
-                }
-                if (!match) {
-                        printk("oops, no match in %s int-map for %s\n",
-                               p->full_name, np->full_name);
-                        return 0;
-                }
-                p = ipar;
-                naddrc = newaddrc;
-                nintrc = newintrc;
-                ints = imap - nintrc;
-                reg = ints - naddrc;
-        }
-        if (p == NULL)
-                printk("hmmm, int tree for %s doesn't have ctrler\n",
-                       np->full_name);
-        *irq = ints;
-        *ictrler = p;
-        return nintrc;
-}
-
-/*
- * New version of finish_node_interrupts.
- */
-static unsigned long __init
-finish_node_interrupts(struct device_node *np, unsigned long mem_start)
-{
-        unsigned int *ints;
-        int intlen, intrcells;
-        int i, j, n, offset;
-        unsigned int *irq;
-        struct device_node *ic;
-
-        ints = (unsigned int *) get_property(np, "interrupts", &intlen);
-        if (ints == NULL)
-                return mem_start;
-        intrcells = prom_n_intr_cells(np);
-        intlen /= intrcells * sizeof(unsigned int);
-        np->n_intrs = intlen;
-        np->intrs = (struct interrupt_info *) mem_start;
-        mem_start += intlen * sizeof(struct interrupt_info);
-
-        for (i = 0; i < intlen; ++i) {
-                np->intrs[i].line = 0;
-                np->intrs[i].sense = 1;
-                n = map_interrupt(&irq, &ic, np, ints, intrcells);
-                if (n <= 0)
-                        continue;
-                offset = 0;
-                /*
-                 * On a CHRP we have an 8259 which is subordinate to
-                 * the openpic in the interrupt tree, but we want the
-                 * openpic's interrupt numbers offsetted, not the 8259's.
-                 * So we apply the offset if the controller is at the
-                 * root of the interrupt tree, i.e. has no interrupt-parent.
-                 * This doesn't cope with the general case of multiple
-                 * cascaded interrupt controllers, but then neither will
-                 * irq.c at the moment either.  -- paulus
-                 * The G5 triggers that code, I add a machine test. On
-                 * those machines, we want to offset interrupts from the
-                 * second openpic by 128 -- BenH
-                 */
-                if (num_interrupt_controllers > 1
-                    && ic != NULL
-                    && get_property(ic, "interrupt-parent", NULL) == NULL)
-                        offset = 16;
-
-                np->intrs[i].line = irq[0] + offset;
-                if (n > 1)
-                        np->intrs[i].sense = irq[1];
-                if (n > 2) {
-                        printk("hmmm, got %d intr cells for %s:", n,
-                               np->full_name);
-                        for (j = 0; j < n; ++j)
-                                printk(" %d", irq[j]);
-                        printk("\n");
-                }
-                ints += intrcells;
-        }
-
-        return mem_start;
-}
-
-/*
- * When BootX makes a copy of the device tree from the MacOS
- * Name Registry, it is in the format we use but all of the pointers
- * are offsets from the start of the tree.
- * This procedure updates the pointers.
- */
-void __init
-relocate_nodes(void)
-{
-        unsigned long base;
-        struct device_node *np;
-        struct property *pp;
-
-#define ADDBASE(x)      (x = (typeof (x))((x)? ((unsigned long)(x) + base): 0))
-
-        base = (unsigned long) boot_infos + boot_infos->deviceTreeOffset;
-        allnodes = (struct device_node *)(base + 4);
-        for (np = allnodes; np != 0; np = np->allnext) {
-                ADDBASE(np->full_name);
-                ADDBASE(np->properties);
-                ADDBASE(np->parent);
-                ADDBASE(np->child);
-                ADDBASE(np->sibling);
-                ADDBASE(np->allnext);
-                for (pp = np->properties; pp != 0; pp = pp->next) {
-                        ADDBASE(pp->name);
-                        ADDBASE(pp->value);
-                        ADDBASE(pp->next);
-                }
-        }
-}
-
-int
-prom_n_addr_cells(struct device_node* np)
-{
-        int* ip;
-        do {
-                if (np->parent)
-                        np = np->parent;
-                ip = (int *) get_property(np, "#address-cells", NULL);
-                if (ip != NULL)
-                        return *ip;
-        } while (np->parent);
-        /* No #address-cells property for the root node, default to 1 */
-        return 1;
-}
-
-int
-prom_n_size_cells(struct device_node* np)
-{
-        int* ip;
-        do {
-                if (np->parent)
-                        np = np->parent;
-                ip = (int *) get_property(np, "#size-cells", NULL);
-                if (ip != NULL)
-                        return *ip;
-        } while (np->parent);
-        /* No #size-cells property for the root node, default to 1 */
-        return 1;
-}
-
-static unsigned long __init
-map_addr(struct device_node *np, unsigned long space, unsigned long addr)
-{
-        int na;
-        unsigned int *ranges;
-        int rlen = 0;
-        unsigned int type;
-
-        type = (space >> 24) & 3;
-        if (type == 0)
-                return addr;
-
-        while ((np = np->parent) != NULL) {
-                if (strcmp(np->type, "pci") != 0)
-                        continue;
-                /* PCI bridge: map the address through the ranges property */
-                na = prom_n_addr_cells(np);
-                ranges = (unsigned int *) get_property(np, "ranges", &rlen);
-                while ((rlen -= (na + 5) * sizeof(unsigned int)) >= 0) {
-                        if (((ranges[0] >> 24) & 3) == type
-                            && ranges[2] <= addr
-                            && addr - ranges[2] < ranges[na+4]) {
-                                /* ok, this matches, translate it */
-                                addr += ranges[na+2] - ranges[2];
-                                break;
-                        }
-                        ranges += na + 5;
-                }
-        }
-        return addr;
-}
-
-static unsigned long __init
-interpret_pci_props(struct device_node *np, unsigned long mem_start,
-                    int naddrc, int nsizec)
-{
-        struct address_range *adr;
-        struct pci_reg_property *pci_addrs;
-        int i, l, *ip;
-
-        pci_addrs = (struct pci_reg_property *)
-                get_property(np, "assigned-addresses", &l);
-        if (pci_addrs != 0 && l >= sizeof(struct pci_reg_property)) {
-                i = 0;
-                adr = (struct address_range *) mem_start;
-                while ((l -= sizeof(struct pci_reg_property)) >= 0) {
-                        adr[i].space = pci_addrs[i].addr.a_hi;
-                        adr[i].address = map_addr(np, pci_addrs[i].addr.a_hi,
-                                                  pci_addrs[i].addr.a_lo);
-                        adr[i].size = pci_addrs[i].size_lo;
-                        ++i;
-                }
-                np->addrs = adr;
-                np->n_addrs = i;
-                mem_start += i * sizeof(struct address_range);
-        }
-
-        if (use_of_interrupt_tree)
-                return mem_start;
-
-        ip = (int *) get_property(np, "AAPL,interrupts", &l);
-        if (ip == 0 && np->parent)
-                ip = (int *) get_property(np->parent, "AAPL,interrupts", &l);
-        if (ip == 0)
-                ip = (int *) get_property(np, "interrupts", &l);
-        if (ip != 0) {
-                np->intrs = (struct interrupt_info *) mem_start;
-                np->n_intrs = l / sizeof(int);
-                mem_start += np->n_intrs * sizeof(struct interrupt_info);
-                for (i = 0; i < np->n_intrs; ++i) {
-                        np->intrs[i].line = *ip++;
-                        np->intrs[i].sense = 1;
-                }
-        }
-
-        return mem_start;
-}
-
-static unsigned long __init
-interpret_dbdma_props(struct device_node *np, unsigned long mem_start,
-                      int naddrc, int nsizec)
-{
-        struct reg_property *rp;
-        struct address_range *adr;
-        unsigned long base_address;
-        int i, l, *ip;
-        struct device_node *db;
-
-        base_address = 0;
-        for (db = np->parent; db != NULL; db = db->parent) {
-                if (!strcmp(db->type, "dbdma") && db->n_addrs != 0) {
-                        base_address = db->addrs[0].address;
-                        break;
-                }
-        }
-
-        rp = (struct reg_property *) get_property(np, "reg", &l);
-        if (rp != 0 && l >= sizeof(struct reg_property)) {
-                i = 0;
-                adr = (struct address_range *) mem_start;
-                while ((l -= sizeof(struct reg_property)) >= 0) {
-                        adr[i].space = 2;
-                        adr[i].address = rp[i].address + base_address;
-                        adr[i].size = rp[i].size;
-                        ++i;
-                }
-                np->addrs = adr;
-                np->n_addrs = i;
-                mem_start += i * sizeof(struct address_range);
-        }
-
-        if (use_of_interrupt_tree)
-                return mem_start;
-
-        ip = (int *) get_property(np, "AAPL,interrupts", &l);
-        if (ip == 0)
-                ip = (int *) get_property(np, "interrupts", &l);
-        if (ip != 0) {
-                np->intrs = (struct interrupt_info *) mem_start;
-                np->n_intrs = l / sizeof(int);
-                mem_start += np->n_intrs * sizeof(struct interrupt_info);
-                for (i = 0; i < np->n_intrs; ++i) {
-                        np->intrs[i].line = *ip++;
-                        np->intrs[i].sense = 1;
-                }
-        }
-
-        return mem_start;
-}
-
-static unsigned long __init
-interpret_macio_props(struct device_node *np, unsigned long mem_start,
-                      int naddrc, int nsizec)
-{
-        struct reg_property *rp;
-        struct address_range *adr;
-        unsigned long base_address;
-        int i, l, *ip;
-        struct device_node *db;
-
-        base_address = 0;
-        for (db = np->parent; db != NULL; db = db->parent) {
-                if (!strcmp(db->type, "mac-io") && db->n_addrs != 0) {
-                        base_address = db->addrs[0].address;
-                        break;
-                }
-        }
-
-        rp = (struct reg_property *) get_property(np, "reg", &l);
-        if (rp != 0 && l >= sizeof(struct reg_property)) {
-                i = 0;
-                adr = (struct address_range *) mem_start;
-                while ((l -= sizeof(struct reg_property)) >= 0) {
-                        adr[i].space = 2;
-                        adr[i].address = rp[i].address + base_address;
-                        adr[i].size = rp[i].size;
-                        ++i;
-                }
-                np->addrs = adr;
-                np->n_addrs = i;
-                mem_start += i * sizeof(struct address_range);
-        }
-
-        if (use_of_interrupt_tree)
-                return mem_start;
-
-        ip = (int *) get_property(np, "interrupts", &l);
-        if (ip == 0)
-                ip = (int *) get_property(np, "AAPL,interrupts", &l);
-        if (ip != 0) {
-                np->intrs = (struct interrupt_info *) mem_start;
-                np->n_intrs = l / sizeof(int);
-                for (i = 0; i < np->n_intrs; ++i) {
-                        np->intrs[i].line = *ip++;
-                        np->intrs[i].sense = 1;
-                }
-                mem_start += np->n_intrs * sizeof(struct interrupt_info);
-        }
-
-        return mem_start;
-}
-
-static unsigned long __init
-interpret_isa_props(struct device_node *np, unsigned long mem_start,
-                    int naddrc, int nsizec)
-{
-        struct isa_reg_property *rp;
-        struct address_range *adr;
-        int i, l, *ip;
-
-        rp = (struct isa_reg_property *) get_property(np, "reg", &l);
-        if (rp != 0 && l >= sizeof(struct isa_reg_property)) {
-                i = 0;
-                adr = (struct address_range *) mem_start;
-                while ((l -= sizeof(struct reg_property)) >= 0) {
-                        adr[i].space = rp[i].space;
-                        adr[i].address = rp[i].address
-                                + (adr[i].space? 0: _ISA_MEM_BASE);
-                        adr[i].size = rp[i].size;
-                        ++i;
-                }
-                np->addrs = adr;
-                np->n_addrs = i;
-                mem_start += i * sizeof(struct address_range);
-        }
-
-        if (use_of_interrupt_tree)
-                return mem_start;
-
-        ip = (int *) get_property(np, "interrupts", &l);
-        if (ip != 0) {
-                np->intrs = (struct interrupt_info *) mem_start;
-                np->n_intrs = l / (2 * sizeof(int));
-                mem_start += np->n_intrs * sizeof(struct interrupt_info);
-                for (i = 0; i < np->n_intrs; ++i) {
-                        np->intrs[i].line = *ip++;
-                        np->intrs[i].sense = *ip++;
-                }
-        }
-
-        return mem_start;
-}
-
-static unsigned long __init
-interpret_root_props(struct device_node *np, unsigned long mem_start,
-                     int naddrc, int nsizec)
-{
-        struct address_range *adr;
-        int i, l, *ip;
-        unsigned int *rp;
-        int rpsize = (naddrc + nsizec) * sizeof(unsigned int);
-
-        rp = (unsigned int *) get_property(np, "reg", &l);
-        if (rp != 0 && l >= rpsize) {
-                i = 0;
-                adr = (struct address_range *) mem_start;
-                while ((l -= rpsize) >= 0) {
-                        adr[i].space = (naddrc >= 2? rp[naddrc-2]: 2);
-                        adr[i].address = rp[naddrc - 1];
-                        adr[i].size = rp[naddrc + nsizec - 1];
-                        ++i;
-                        rp += naddrc + nsizec;
-                }
-                np->addrs = adr;
-                np->n_addrs = i;
-                mem_start += i * sizeof(struct address_range);
-        }
-
-        if (use_of_interrupt_tree)
-                return mem_start;
-
-        ip = (int *) get_property(np, "AAPL,interrupts", &l);
-        if (ip == 0)
-                ip = (int *) get_property(np, "interrupts", &l);
-        if (ip != 0) {
-                np->intrs = (struct interrupt_info *) mem_start;
-                np->n_intrs = l / sizeof(int);
-                mem_start += np->n_intrs * sizeof(struct interrupt_info);
-                for (i = 0; i < np->n_intrs; ++i) {
-                        np->intrs[i].line = *ip++;
-                        np->intrs[i].sense = 1;
-                }
-        }
-
-        return mem_start;
-}
-
-/*
- * Work out the sense (active-low level / active-high edge)
- * of each interrupt from the device tree.
- */
-void __init
-prom_get_irq_senses(unsigned char *senses, int off, int max)
-{
-        struct device_node *np;
-        int i, j;
-
-        /* default to level-triggered */
-        memset(senses, 1, max - off);
-        if (!use_of_interrupt_tree)
-                return;
-
-        for (np = allnodes; np != 0; np = np->allnext) {
-                for (j = 0; j < np->n_intrs; j++) {
-                        i = np->intrs[j].line;
-                        if (i >= off && i < max) {
-                                if (np->intrs[j].sense == 1)
-                                        senses[i-off] = (IRQ_SENSE_LEVEL
-                                                | IRQ_POLARITY_NEGATIVE);
-                                else
-                                        senses[i-off] = (IRQ_SENSE_EDGE
-                                                | IRQ_POLARITY_POSITIVE);
-                        }
-                }
-        }
-}
-
-/*
- * Construct and return a list of the device_nodes with a given name.
- */
-struct device_node *
-find_devices(const char *name)
-{
-        struct device_node *head, **prevp, *np;
-
-        prevp = &head;
-        for (np = allnodes; np != 0; np = np->allnext) {
-                if (np->name != 0 && strcasecmp(np->name, name) == 0) {
-                        *prevp = np;
-                        prevp = &np->next;
-                }
-        }
-        *prevp = NULL;
-        return head;
-}
-
-/*
- * Construct and return a list of the device_nodes with a given type.
- */
-struct device_node *
-find_type_devices(const char *type)
-{
-        struct device_node *head, **prevp, *np;
-
-        prevp = &head;
-        for (np = allnodes; np != 0; np = np->allnext) {
-                if (np->type != 0 && strcasecmp(np->type, type) == 0) {
-                        *prevp = np;
-                        prevp = &np->next;
-                }
-        }
-        *prevp = NULL;
-        return head;
-}
-
-/*
- * Returns all nodes linked together
- */
-struct device_node *
-find_all_nodes(void)
-{
-        struct device_node *head, **prevp, *np;
-
-        prevp = &head;
-        for (np = allnodes; np != 0; np = np->allnext) {
-                *prevp = np;
-                prevp = &np->next;
-        }
-        *prevp = NULL;
-        return head;
-}
-
-/* Checks if the given "compat" string matches one of the strings in
- * the device's "compatible" property
- */
-int
-device_is_compatible(struct device_node *device, const char *compat)
-{
-        const char* cp;
-        int cplen, l;
-
-        cp = (char *) get_property(device, "compatible", &cplen);
-        if (cp == NULL)
-                return 0;
-        while (cplen > 0) {
-                if (strncasecmp(cp, compat, strlen(compat)) == 0)
-                        return 1;
-                l = strlen(cp) + 1;
-                cp += l;
-                cplen -= l;
-        }
-
-        return 0;
-}
-
-
-/*
- * Indicates whether the root node has a given value in its
- * compatible property.
- */
-int
-machine_is_compatible(const char *compat)
-{
-        struct device_node *root;
-
-        root = find_path_device("/");
-        if (root == 0)
-                return 0;
-        return device_is_compatible(root, compat);
-}
-
-/*
- * Construct and return a list of the device_nodes with a given type
- * and compatible property.
- */
-struct device_node *
-find_compatible_devices(const char *type, const char *compat)
-{
-        struct device_node *head, **prevp, *np;
-
-        prevp = &head;
-        for (np = allnodes; np != 0; np = np->allnext) {
-                if (type != NULL
-                    && !(np->type != 0 && strcasecmp(np->type, type) == 0))
-                        continue;
-                if (device_is_compatible(np, compat)) {
-                        *prevp = np;
-                        prevp = &np->next;
-                }
-        }
-        *prevp = NULL;
-        return head;
-}
-
-/*
- * Find the device_node with a given full_name.
- */
-struct device_node *
-find_path_device(const char *path)
-{
-        struct device_node *np;
-
-        for (np = allnodes; np != 0; np = np->allnext)
-                if (np->full_name != 0 && strcasecmp(np->full_name, path) == 0)
-                        return np;
-        return NULL;
-}
-
-/*******
- *
- * New implementation of the OF "find" APIs, return a refcounted
- * object, call of_node_put() when done. Currently, still lacks
- * locking as old implementation, this is beeing done for ppc64.
- *
- * Note that property management will need some locking as well,
- * this isn't dealt with yet
- *
- *******/
-
-/**
- *      of_find_node_by_name - Find a node by it's "name" property
- *      @from:  The node to start searching from or NULL, the node
- *              you pass will not be searched, only the next one
- *              will; typically, you pass what the previous call
- *              returned. of_node_put() will be called on it
- *      @name:  The name string to match against
- *
- *      Returns a node pointer with refcount incremented, use
- *      of_node_put() on it when done.
- */
-struct device_node *of_find_node_by_name(struct device_node *from,
-        const char *name)
-{
-        struct device_node *np = from ? from->allnext : allnodes;
-
-        for (; np != 0; np = np->allnext)
-                if (np->name != 0 && strcasecmp(np->name, name) == 0)
-                        break;
-        if (from)
-                of_node_put(from);
-        return of_node_get(np);
-}
-
-/**
- *      of_find_node_by_type - Find a node by it's "device_type" property
- *      @from:  The node to start searching from or NULL, the node
- *              you pass will not be searched, only the next one
- *              will; typically, you pass what the previous call
- *              returned. of_node_put() will be called on it
- *      @name:  The type string to match against
- *
- *      Returns a node pointer with refcount incremented, use
- *      of_node_put() on it when done.
- */
-struct device_node *of_find_node_by_type(struct device_node *from,
-        const char *type)
-{
-        struct device_node *np = from ? from->allnext : allnodes;
-
-        for (; np != 0; np = np->allnext)
-                if (np->type != 0 && strcasecmp(np->type, type) == 0)
-                        break;
-        if (from)
-                of_node_put(from);
-        return of_node_get(np);
-}
-
-/**
- *      of_find_compatible_node - Find a node based on type and one of the
- *                                tokens in it's "compatible" property
- *      @from:          The node to start searching from or NULL, the node
- *                      you pass will not be searched, only the next one
- *                      will; typically, you pass what the previous call
- *                      returned. of_node_put() will be called on it
- *      @type:          The type string to match "device_type" or NULL to ignore
- *      @compatible:    The string to match to one of the tokens in the device
- *                      "compatible" list.
- *
- *      Returns a node pointer with refcount incremented, use
- *      of_node_put() on it when done.
- */
-struct device_node *of_find_compatible_node(struct device_node *from,
-        const char *type, const char *compatible)
-{
-        struct device_node *np = from ? from->allnext : allnodes;
-
-        for (; np != 0; np = np->allnext) {
-                if (type != NULL
-                    && !(np->type != 0 && strcasecmp(np->type, type) == 0))
-                        continue;
-                if (device_is_compatible(np, compatible))
-                        break;
-        }
-        if (from)
-                of_node_put(from);
-        return of_node_get(np);
-}
-
-/**
- *      of_find_node_by_path - Find a node matching a full OF path
- *      @path:  The full path to match
- *
- *      Returns a node pointer with refcount incremented, use
- *      of_node_put() on it when done.
- */
-struct device_node *of_find_node_by_path(const char *path)
-{
-        struct device_node *np = allnodes;
-
-        for (; np != 0; np = np->allnext)
-                if (np->full_name != 0 && strcasecmp(np->full_name, path) == 0)
-                        break;
-        return of_node_get(np);
-}
-
-/**
- *      of_find_all_nodes - Get next node in global list
- *      @prev:  Previous node or NULL to start iteration
- *              of_node_put() will be called on it
- *
- *      Returns a node pointer with refcount incremented, use
- *      of_node_put() on it when done.
- */
-struct device_node *of_find_all_nodes(struct device_node *prev)
-{
-        return of_node_get(prev ? prev->allnext : allnodes);
-}
-
-/**
- *      of_get_parent - Get a node's parent if any
- *      @node:  Node to get parent
- *
- *      Returns a node pointer with refcount incremented, use
- *      of_node_put() on it when done.
- */
-struct device_node *of_get_parent(const struct device_node *node)
-{
-        return node ? of_node_get(node->parent) : NULL;
-}
-
-/**
- *      of_get_next_child - Iterate a node childs
- *      @node:  parent node
- *      @prev:  previous child of the parent node, or NULL to get first
- *
- *      Returns a node pointer with refcount incremented, use
- *      of_node_put() on it when done.
- */
-struct device_node *of_get_next_child(const struct device_node *node,
-                                      struct device_node *prev)
-{
-        struct device_node *next = prev ? prev->sibling : node->child;
-
-        for (; next != 0; next = next->sibling)
-                if (of_node_get(next))
-                        break;
-        if (prev)
-                of_node_put(prev);
-        return next;
-}
-
-/**
- *      of_node_get - Increment refcount of a node
- *      @node:  Node to inc refcount, NULL is supported to
- *              simplify writing of callers
- *
- *      Returns the node itself or NULL if gone. Current implementation
- *      does nothing as we don't yet do dynamic node allocation on ppc32
- */
-struct device_node *of_node_get(struct device_node *node)
-{
-        return node;
-}
-
-/**
- *      of_node_put - Decrement refcount of a node
- *      @node:  Node to dec refcount, NULL is supported to
- *              simplify writing of callers
- *
- *      Current implementation does nothing as we don't yet do dynamic node
- *      allocation on ppc32
- */
-void  of_node_put(struct device_node *node)
-{
-}
-
-/*
- * Find the device_node with a given phandle.
- */
-static struct device_node * __init
-find_phandle(phandle ph)
-{
-        struct device_node *np;
-
-        for (np = allnodes; np != 0; np = np->allnext)
-                if (np->node == ph)
-                        return np;
-        return NULL;
-}
-
-/*
- * Find a property with a given name for a given node
- * and return the value.
- */
-unsigned char *
-get_property(struct device_node *np, const char *name, int *lenp)
-{
-        struct property *pp;
-
-        for (pp = np->properties; pp != 0; pp = pp->next)
-                if (pp->name != NULL && strcmp(pp->name, name) == 0) {
-                        if (lenp != 0)
-                                *lenp = pp->length;
-                        return pp->value;
-                }
-        return NULL;
-}
-
-/*
- * Add a property to a node
- */
-int
-prom_add_property(struct device_node* np, struct property* prop)
-{
-        struct property **next = &np->properties;
-
-        prop->next = NULL;
-        while (*next)
-                next = &(*next)->next;
-        *next = prop;
-
-        return 0;
-}
-
-/* I quickly hacked that one, check against spec ! */
-static inline unsigned long
-bus_space_to_resource_flags(unsigned int bus_space)
-{
-        u8 space = (bus_space >> 24) & 0xf;
-        if (space == 0)
-                space = 0x02;
-        if (space == 0x02)
-                return IORESOURCE_MEM;
-        else if (space == 0x01)
-                return IORESOURCE_IO;
-        else {
-                printk(KERN_WARNING "prom.c: bus_space_to_resource_flags(), space: %x\n",
-                        bus_space);
-                return 0;
-        }
-}
-
-static struct resource*
-find_parent_pci_resource(struct pci_dev* pdev, struct address_range *range)
-{
-        unsigned long mask;
-        int i;
-
-        /* Check this one */
-        mask = bus_space_to_resource_flags(range->space);
-        for (i=0; i<DEVICE_COUNT_RESOURCE; i++) {
-                if ((pdev->resource[i].flags & mask) == mask &&
-                        pdev->resource[i].start <= range->address &&
-                        pdev->resource[i].end > range->address) {
-                                if ((range->address + range->size - 1) > pdev->resource[i].end) {
-                                        /* Add better message */
-                                        printk(KERN_WARNING "PCI/OF resource overlap !\n");
-                                        return NULL;
-                                }
-                                break;
-                        }
-        }
-        if (i == DEVICE_COUNT_RESOURCE)
-                return NULL;
-        return &pdev->resource[i];
-}
-
-/*
- * Request an OF device resource. Currently handles child of PCI devices,
- * or other nodes attached to the root node. Ultimately, put some
- * link to resources in the OF node.
- */
-struct resource*
-request_OF_resource(struct device_node* node, int index, const char* name_postfix)
-{
-        struct pci_dev* pcidev;
-        u8 pci_bus, pci_devfn;
-        unsigned long iomask;
-        struct device_node* nd;
-        struct resource* parent;
-        struct resource *res = NULL;
-        int nlen, plen;
-
-        if (index >= node->n_addrs)
-                goto fail;
-
-        /* Sanity check on bus space */
-        iomask = bus_space_to_resource_flags(node->addrs[index].space);
-        if (iomask & IORESOURCE_MEM)
-                parent = &iomem_resource;
-        else if (iomask & IORESOURCE_IO)
-                parent = &ioport_resource;
-        else
-                goto fail;
-
-        /* Find a PCI parent if any */
-        nd = node;
-        pcidev = NULL;
-        while(nd) {
-                if (!pci_device_from_OF_node(nd, &pci_bus, &pci_devfn))
-                        pcidev = pci_find_slot(pci_bus, pci_devfn);
-                if (pcidev) break;
-                nd = nd->parent;
-        }
-        if (pcidev)
-                parent = find_parent_pci_resource(pcidev, &node->addrs[index]);
-        if (!parent) {
-                printk(KERN_WARNING "request_OF_resource(%s), parent not found\n",
-                        node->name);
-                goto fail;
-        }
-
-        res = __request_region(parent, node->addrs[index].address, node->addrs[index].size, NULL);
-        if (!res)
-                goto fail;
-        nlen = strlen(node->name);
-        plen = name_postfix ? strlen(name_postfix) : 0;
-        res->name = (const char *)kmalloc(nlen+plen+1, GFP_KERNEL);
-        if (res->name) {
-                strcpy((char *)res->name, node->name);
-                if (plen)
-                        strcpy((char *)res->name+nlen, name_postfix);
-        }
-        return res;
-fail:
-        return NULL;
-}
-
-int
-release_OF_resource(struct device_node* node, int index)
-{
-        struct pci_dev* pcidev;
-        u8 pci_bus, pci_devfn;
-        unsigned long iomask, start, end;
-        struct device_node* nd;
-        struct resource* parent;
-        struct resource *res = NULL;
-
-        if (index >= node->n_addrs)
-                return -EINVAL;
-
-        /* Sanity check on bus space */
-        iomask = bus_space_to_resource_flags(node->addrs[index].space);
-        if (iomask & IORESOURCE_MEM)
-                parent = &iomem_resource;
-        else if (iomask & IORESOURCE_IO)
-                parent = &ioport_resource;
-        else
-                return -EINVAL;
-
-        /* Find a PCI parent if any */
-        nd = node;
-        pcidev = NULL;
-        while(nd) {
-                if (!pci_device_from_OF_node(nd, &pci_bus, &pci_devfn))
-                        pcidev = pci_find_slot(pci_bus, pci_devfn);
-                if (pcidev) break;
-                nd = nd->parent;
-        }
-        if (pcidev)
-                parent = find_parent_pci_resource(pcidev, &node->addrs[index]);
-        if (!parent) {
-                printk(KERN_WARNING "release_OF_resource(%s), parent not found\n",
-                        node->name);
-                return -ENODEV;
-        }
-
-        /* Find us in the parent and its childs */
-        res = parent->child;
-        start = node->addrs[index].address;
-        end = start + node->addrs[index].size - 1;
-        while (res) {
-                if (res->start == start && res->end == end &&
-                    (res->flags & IORESOURCE_BUSY))
-                        break;
-                if (res->start <= start && res->end >= end)
-                        res = res->child;
-                else
-                        res = res->sibling;
-        }
-        if (!res)
-                return -ENODEV;
-
-        kfree(res->name);
-        res->name = NULL;
-        release_resource(res);
-        kfree(res);
-
-        return 0;
-}
-
-#if 0
-void
-print_properties(struct device_node *np)
-{
-        struct property *pp;
-        char *cp;
-        int i, n;
-
-        for (pp = np->properties; pp != 0; pp = pp->next) {
-                printk(KERN_INFO "%s", pp->name);
-                for (i = strlen(pp->name); i < 16; ++i)
-                        printk(" ");
-                cp = (char *) pp->value;
-                for (i = pp->length; i > 0; --i, ++cp)
-                        if ((i > 1 && (*cp < 0x20 || *cp > 0x7e))
-                            || (i == 1 && *cp != 0))
-                                break;
-                if (i == 0 && pp->length > 1) {
-                        /* looks like a string */
-                        printk(" %s\n", (char *) pp->value);
-                } else {
-                        /* dump it in hex */
-                        n = pp->length;
-                        if (n > 64)
-                                n = 64;
-                        if (pp->length % 4 == 0) {
-                                unsigned int *p = (unsigned int *) pp->value;
-
-                                n /= 4;
-                                for (i = 0; i < n; ++i) {
-                                        if (i != 0 && (i % 4) == 0)
-                                                printk("\n                ");
-                                        printk(" %08x", *p++);
-                                }
-                        } else {
-                                unsigned char *bp = pp->value;
-
-                                for (i = 0; i < n; ++i) {
-                                        if (i != 0 && (i % 16) == 0)
-                                                printk("\n                ");
-                                        printk(" %02x", *bp++);
-                                }
-                        }
-                        printk("\n");
-                        if (pp->length > 64)
-                                printk("                 ... (length = %d)\n",
-                                       pp->length);
-                }
-        }
-}
-#endif
-
-static DEFINE_SPINLOCK(rtas_lock);
-
-/* this can be called after setup -- Cort */
-int
-call_rtas(const char *service, int nargs, int nret,
-          unsigned long *outputs, ...)
-{
-        va_list list;
-        int i;
-        unsigned long s;
-        struct device_node *rtas;
-        int *tokp;
-        union {
-                unsigned long words[16];
-                double align;
-        } u;
-
-        rtas = find_devices("rtas");
-        if (rtas == NULL)
-                return -1;
-        tokp = (int *) get_property(rtas, service, NULL);
-        if (tokp == NULL) {
-                printk(KERN_ERR "No RTAS service called %s\n", service);
-                return -1;
-        }
-        u.words[0] = *tokp;
-        u.words[1] = nargs;
-        u.words[2] = nret;
-        va_start(list, outputs);
-        for (i = 0; i < nargs; ++i)
-                u.words[i+3] = va_arg(list, unsigned long);
-        va_end(list);
-
-        /*
-         * RTAS doesn't use floating point.
-         * Or at least, according to the CHRP spec we enter RTAS
-         * with FP disabled, and it doesn't change the FP registers.
-         *  -- paulus.
-         */
-        spin_lock_irqsave(&rtas_lock, s);
-        enter_rtas((void *)__pa(&u));
-        spin_unlock_irqrestore(&rtas_lock, s);
-
-        if (nret > 1 && outputs != NULL)
-                for (i = 0; i < nret-1; ++i)
-                        outputs[i] = u.words[i+nargs+4];
-        return u.words[nargs+3];
-}
diff --git a/arch/ppc/syslib/prom_init.c b/arch/ppc/syslib/prom_init.c
deleted file mode 100644
index df14422ae1c6..000000000000
--- a/arch/ppc/syslib/prom_init.c
+++ /dev/null
@@ -1,1011 +0,0 @@
-/*
- * Note that prom_init() and anything called from prom_init()
- * may be running at an address that is different from the address
- * that it was linked at.  References to static data items are
- * handled by compiling this file with -mrelocatable-lib.
- */
-
-#include <linux/config.h>
-#include <linux/kernel.h>
-#include <linux/string.h>
-#include <linux/init.h>
-#include <linux/threads.h>
-#include <linux/spinlock.h>
-#include <linux/ioport.h>
-#include <linux/pci.h>
-#include <linux/slab.h>
-#include <linux/bitops.h>
-
-#include <asm/sections.h>
-#include <asm/prom.h>
-#include <asm/page.h>
-#include <asm/irq.h>
-#include <asm/io.h>
-#include <asm/smp.h>
-#include <asm/bootx.h>
-#include <asm/system.h>
-#include <asm/mmu.h>
-#include <asm/pgtable.h>
-#include <asm/bootinfo.h>
-#include <asm/btext.h>
-#include <asm/pci-bridge.h>
-#include <asm/open_pic.h>
-#include <asm/cacheflush.h>
-
-#ifdef CONFIG_LOGO_LINUX_CLUT224
-#include <linux/linux_logo.h>
-extern const struct linux_logo logo_linux_clut224;
-#endif
-
-/*
- * Properties whose value is longer than this get excluded from our
- * copy of the device tree.  This way we don't waste space storing
- * things like "driver,AAPL,MacOS,PowerPC" properties.  But this value
- * does need to be big enough to ensure that we don't lose things
- * like the interrupt-map property on a PCI-PCI bridge.
- */
-#define MAX_PROPERTY_LENGTH     4096
-
-#ifndef FB_MAX                  /* avoid pulling in all of the fb stuff */
-#define FB_MAX  8
-#endif
-
-#define ALIGNUL(x) (((x) + sizeof(unsigned long)-1) & -sizeof(unsigned long))
-
-typedef u32 prom_arg_t;
-
-struct prom_args {
-        const char *service;
-        int nargs;
-        int nret;
-        prom_arg_t args[10];
-};
-
-struct pci_address {
-        unsigned a_hi;
-        unsigned a_mid;
-        unsigned a_lo;
-};
-
-struct pci_reg_property {
-        struct pci_address addr;
-        unsigned size_hi;
-        unsigned size_lo;
-};
-
-struct pci_range {
-        struct pci_address addr;
-        unsigned phys;
-        unsigned size_hi;
-        unsigned size_lo;
-};
-
-struct isa_reg_property {
-        unsigned space;
-        unsigned address;
-        unsigned size;
-};
-
-struct pci_intr_map {
-        struct pci_address addr;
-        unsigned dunno;
-        phandle int_ctrler;
-        unsigned intr;
-};
-
-static void prom_exit(void);
-static int  call_prom(const char *service, int nargs, int nret, ...);
-static int  call_prom_ret(const char *service, int nargs, int nret,
-                          prom_arg_t *rets, ...);
-static void prom_print_hex(unsigned int v);
-static int  prom_set_color(ihandle ih, int i, int r, int g, int b);
-static int  prom_next_node(phandle *nodep);
-static unsigned long check_display(unsigned long mem);
-static void setup_disp_fake_bi(ihandle dp);
-static unsigned long copy_device_tree(unsigned long mem_start,
-                                unsigned long mem_end);
-static unsigned long inspect_node(phandle node, struct device_node *dad,
-                                unsigned long mem_start, unsigned long mem_end,
-                                struct device_node ***allnextpp);
-static void prom_hold_cpus(unsigned long mem);
-static void prom_instantiate_rtas(void);
-static void * early_get_property(unsigned long base, unsigned long node,
-                                char *prop);
-
-prom_entry prom __initdata;
-ihandle prom_chosen __initdata;
-ihandle prom_stdout __initdata;
-
-static char *prom_display_paths[FB_MAX] __initdata;
-static phandle prom_display_nodes[FB_MAX] __initdata;
-static unsigned int prom_num_displays __initdata;
-static ihandle prom_disp_node __initdata;
-char *of_stdout_device __initdata;
-
-unsigned int rtas_data;   /* physical pointer */
-unsigned int rtas_entry;  /* physical pointer */
-unsigned int rtas_size;
-unsigned int old_rtas;
-
-boot_infos_t *boot_infos;
-char *bootpath;
-char *bootdevice;
-struct device_node *allnodes;
-
-extern char *klimit;
-
-static void __init
-prom_exit(void)
-{
-        struct prom_args args;
-
-        args.service = "exit";
-        args.nargs = 0;
-        args.nret = 0;
-        prom(&args);
-        for (;;)                        /* should never get here */
-                ;
-}
-
-static int __init
-call_prom(const char *service, int nargs, int nret, ...)
-{
-        va_list list;
-        int i;
-        struct prom_args prom_args;
-
-        prom_args.service = service;
-        prom_args.nargs = nargs;
-        prom_args.nret = nret;
-        va_start(list, nret);
-        for (i = 0; i < nargs; ++i)
-                prom_args.args[i] = va_arg(list, prom_arg_t);
-        va_end(list);
-        for (i = 0; i < nret; ++i)
-                prom_args.args[i + nargs] = 0;
-        prom(&prom_args);
-        return prom_args.args[nargs];
-}
-
-static int __init
-call_prom_ret(const char *service, int nargs, int nret, prom_arg_t *rets, ...)
-{
-        va_list list;
-        int i;
-        struct prom_args prom_args;
-
-        prom_args.service = service;
-        prom_args.nargs = nargs;
-        prom_args.nret = nret;
-        va_start(list, rets);
-        for (i = 0; i < nargs; ++i)
-                prom_args.args[i] = va_arg(list, int);
-        va_end(list);
-        for (i = 0; i < nret; ++i)
-                prom_args.args[i + nargs] = 0;
-        prom(&prom_args);
-        for (i = 1; i < nret; ++i)
-                rets[i-1] = prom_args.args[nargs + i];
-        return prom_args.args[nargs];
-}
-
-void __init
-prom_print(const char *msg)
-{
-        const char *p, *q;
-
-        if (prom_stdout == 0)
-                return;
-
-        for (p = msg; *p != 0; p = q) {
-                for (q = p; *q != 0 && *q != '\n'; ++q)
-                        ;
-                if (q > p)
-                        call_prom("write", 3, 1, prom_stdout, p, q - p);
-                if (*q != 0) {
-                        ++q;
-                        call_prom("write", 3, 1, prom_stdout, "\r\n", 2);
-                }
-        }
-}
-
-static void __init
-prom_print_hex(unsigned int v)
-{
-        char buf[16];
-        int i, c;
-
-        for (i = 0; i < 8; ++i) {
-                c = (v >> ((7-i)*4)) & 0xf;
-                c += (c >= 10)? ('a' - 10): '0';
-                buf[i] = c;
-        }
-        buf[i] = ' ';
-        buf[i+1] = 0;
-        prom_print(buf);
-}
-
-static int __init
-prom_set_color(ihandle ih, int i, int r, int g, int b)
-{
-        return call_prom("call-method", 6, 1, "color!", ih, i, b, g, r);
-}
-
-static int __init
-prom_next_node(phandle *nodep)
-{
-        phandle node;
-
-        if ((node = *nodep) != 0
-            && (*nodep = call_prom("child", 1, 1, node)) != 0)
-                return 1;
-        if ((*nodep = call_prom("peer", 1, 1, node)) != 0)
-                return 1;
-        for (;;) {
-                if ((node = call_prom("parent", 1, 1, node)) == 0)
-                        return 0;
-                if ((*nodep = call_prom("peer", 1, 1, node)) != 0)
-                        return 1;
-        }
-}
-
-#ifdef CONFIG_POWER4
-/*
- * Set up a hash table with a set of entries in it to map the
- * first 64MB of RAM.  This is used on 64-bit machines since
- * some of them don't have BATs.
- */
-
-static inline void make_pte(unsigned long htab, unsigned int hsize,
-                            unsigned int va, unsigned int pa, int mode)
-{
-        unsigned int *pteg;
-        unsigned int hash, i, vsid;
-
-        vsid = ((va >> 28) * 0x111) << 12;
-        hash = ((va ^ vsid) >> 5) & 0x7fff80;
-        pteg = (unsigned int *)(htab + (hash & (hsize - 1)));
-        for (i = 0; i < 8; ++i, pteg += 4) {
-                if ((pteg[1] & 1) == 0) {
-                        pteg[1] = vsid | ((va >> 16) & 0xf80) | 1;
-                        pteg[3] = pa | mode;
-                        break;
-                }
-        }
-}
-
-extern unsigned long _SDR1;
-extern PTE *Hash;
-extern unsigned long Hash_size;
-
-static void __init
-prom_alloc_htab(void)
-{
-        unsigned int hsize;
-        unsigned long htab;
-        unsigned int addr;
-
-        /*
-         * Because of OF bugs we can't use the "claim" client
-         * interface to allocate memory for the hash table.
-         * This code is only used on 64-bit PPCs, and the only
-         * 64-bit PPCs at the moment are RS/6000s, and their
-         * OF is based at 0xc00000 (the 12M point), so we just
-         * arbitrarily use the 0x800000 - 0xc00000 region for the
-         * hash table.
-         *  -- paulus.
-         */
-        hsize = 4 << 20;        /* POWER4 has no BATs */
-        htab = (8 << 20);
-        call_prom("claim", 3, 1, htab, hsize, 0);
-        Hash = (void *)(htab + KERNELBASE);
-        Hash_size = hsize;
-        _SDR1 = htab + __ilog2(hsize) - 18;
-
-        /*
-         * Put in PTEs for the first 64MB of RAM
-         */
-        memset((void *)htab, 0, hsize);
-        for (addr = 0; addr < 0x4000000; addr += 0x1000)
-                make_pte(htab, hsize, addr + KERNELBASE, addr,
-                         _PAGE_ACCESSED | _PAGE_COHERENT | PP_RWXX);
-#if 0 /* DEBUG stuff mapping the SCC */
-        make_pte(htab, hsize, 0x80013000, 0x80013000,
-                 _PAGE_ACCESSED | _PAGE_NO_CACHE | _PAGE_GUARDED | PP_RWXX);
-#endif
-}
-#endif /* CONFIG_POWER4 */
-
-
-/*
- * If we have a display that we don't know how to drive,
- * we will want to try to execute OF's open method for it
- * later.  However, OF will probably fall over if we do that
- * we've taken over the MMU.
- * So we check whether we will need to open the display,
- * and if so, open it now.
- */
-static unsigned long __init
-check_display(unsigned long mem)
-{
-        phandle node;
-        ihandle ih;
-        int i, j;
-        char type[16], *path;
-        static unsigned char default_colors[] = {
-                0x00, 0x00, 0x00,
-                0x00, 0x00, 0xaa,
-                0x00, 0xaa, 0x00,
-                0x00, 0xaa, 0xaa,
-                0xaa, 0x00, 0x00,
-                0xaa, 0x00, 0xaa,
-                0xaa, 0xaa, 0x00,
-                0xaa, 0xaa, 0xaa,
-                0x55, 0x55, 0x55,
-                0x55, 0x55, 0xff,
-                0x55, 0xff, 0x55,
-                0x55, 0xff, 0xff,
-                0xff, 0x55, 0x55,
-                0xff, 0x55, 0xff,
-                0xff, 0xff, 0x55,
-                0xff, 0xff, 0xff
-        };
-        const unsigned char *clut;
-
-        prom_disp_node = 0;
-
-        for (node = 0; prom_next_node(&node); ) {
-                type[0] = 0;
-                call_prom("getprop", 4, 1, node, "device_type",
-                          type, sizeof(type));
-                if (strcmp(type, "display") != 0)
-                        continue;
-                /* It seems OF doesn't null-terminate the path :-( */
-                path = (char *) mem;
-                memset(path, 0, 256);
-                if (call_prom("package-to-path", 3, 1, node, path, 255) < 0)
-                        continue;
-
-                /*
-                 * If this display is the device that OF is using for stdout,
-                 * move it to the front of the list.
-                 */
-                mem += strlen(path) + 1;
-                i = prom_num_displays++;
-                if (of_stdout_device != 0 && i > 0
-                    && strcmp(of_stdout_device, path) == 0) {
-                        for (; i > 0; --i) {
-                                prom_display_paths[i]
-                                        = prom_display_paths[i-1];
-                                prom_display_nodes[i]
-                                        = prom_display_nodes[i-1];
-                        }
-                }
-                prom_display_paths[i] = path;
-                prom_display_nodes[i] = node;
-                if (i == 0)
-                        prom_disp_node = node;
-                if (prom_num_displays >= FB_MAX)
-                        break;
-        }
-
-        for (j=0; j<prom_num_displays; j++) {
-                path = prom_display_paths[j];
-                node = prom_display_nodes[j];
-                prom_print("opening display ");
-                prom_print(path);
-                ih = call_prom("open", 1, 1, path);
-                if (ih == 0 || ih == (ihandle) -1) {
-                        prom_print("... failed\n");
-                        for (i=j+1; i<prom_num_displays; i++) {
-                                prom_display_paths[i-1] = prom_display_paths[i];
-                                prom_display_nodes[i-1] = prom_display_nodes[i];
-                        }
-                        if (--prom_num_displays > 0) {
-                                prom_disp_node = prom_display_nodes[j];
-                                j--;
-                        } else
-                                prom_disp_node = 0;
-                        continue;
-                } else {
-                        prom_print("... ok\n");
-                        call_prom("setprop", 4, 1, node, "linux,opened", 0, 0);
-
-                        /*
-                         * Setup a usable color table when the appropriate
-                         * method is available.
-                         * Should update this to use set-colors.
-                         */
-                        clut = default_colors;
-                        for (i = 0; i < 32; i++, clut += 3)
-                                if (prom_set_color(ih, i, clut[0], clut[1],
-                                                   clut[2]) != 0)
-                                        break;
-
-#ifdef CONFIG_LOGO_LINUX_CLUT224
-                        clut = PTRRELOC(logo_linux_clut224.clut);
-                        for (i = 0; i < logo_linux_clut224.clutsize;
-                             i++, clut += 3)
-                                if (prom_set_color(ih, i + 32, clut[0],
-                                                   clut[1], clut[2]) != 0)
-                                        break;
-#endif /* CONFIG_LOGO_LINUX_CLUT224 */
-                }
-        }
-        
-        if (prom_stdout) {
-                phandle p;
-                p = call_prom("instance-to-package", 1, 1, prom_stdout);
-                if (p && p != -1) {
-                        type[0] = 0;
-                        call_prom("getprop", 4, 1, p, "device_type",
-                                  type, sizeof(type));
-                        if (strcmp(type, "display") == 0)
-                                call_prom("setprop", 4, 1, p, "linux,boot-display",
-                                          0, 0);
-                }
-        }
-
-        return ALIGNUL(mem);
-}
-
-/* This function will enable the early boot text when doing OF booting. This
- * way, xmon output should work too
- */
-static void __init
-setup_disp_fake_bi(ihandle dp)
-{
-#ifdef CONFIG_BOOTX_TEXT
-        int width = 640, height = 480, depth = 8, pitch;
-        unsigned address;
-        struct pci_reg_property addrs[8];
-        int i, naddrs;
-        char name[32];
-        char *getprop = "getprop";
-
-        prom_print("Initializing fake screen: ");
-
-        memset(name, 0, sizeof(name));
-        call_prom(getprop, 4, 1, dp, "name", name, sizeof(name));
-        name[sizeof(name)-1] = 0;
-        prom_print(name);
-        prom_print("\n");
-        call_prom(getprop, 4, 1, dp, "width", &width, sizeof(width));
-        call_prom(getprop, 4, 1, dp, "height", &height, sizeof(height));
-        call_prom(getprop, 4, 1, dp, "depth", &depth, sizeof(depth));
-        pitch = width * ((depth + 7) / 8);
-        call_prom(getprop, 4, 1, dp, "linebytes",
-                  &pitch, sizeof(pitch));
-        if (pitch == 1)
-                pitch = 0x1000;         /* for strange IBM display */
-        address = 0;
-        call_prom(getprop, 4, 1, dp, "address",
-                  &address, sizeof(address));
-        if (address == 0) {
-                /* look for an assigned address with a size of >= 1MB */
-                naddrs = call_prom(getprop, 4, 1, dp, "assigned-addresses",
-                                   addrs, sizeof(addrs));
-                naddrs /= sizeof(struct pci_reg_property);
-                for (i = 0; i < naddrs; ++i) {
-                        if (addrs[i].size_lo >= (1 << 20)) {
-                                address = addrs[i].addr.a_lo;
-                                /* use the BE aperture if possible */
-                                if (addrs[i].size_lo >= (16 << 20))
-                                        address += (8 << 20);
-                                break;
-                        }
-                }
-                if (address == 0) {
-                        prom_print("Failed to get address\n");
-                        return;
-                }
-        }
-        /* kludge for valkyrie */
-        if (strcmp(name, "valkyrie") == 0)
-                address += 0x1000;
-
-#ifdef CONFIG_POWER4
-#if CONFIG_TASK_SIZE > 0x80000000
-#error CONFIG_TASK_SIZE cannot be above 0x80000000 with BOOTX_TEXT on G5
-#endif
-        {
-                extern boot_infos_t disp_bi;
-                unsigned long va, pa, i, offset;
-                va = 0x90000000;
-                pa = address & 0xfffff000ul;
-                offset = address & 0x00000fff;
-
-                for (i=0; i<0x4000; i++) {  
-                        make_pte((unsigned long)Hash - KERNELBASE, Hash_size, va, pa, 
-                                 _PAGE_ACCESSED | _PAGE_NO_CACHE |
-                                 _PAGE_GUARDED | PP_RWXX);
-                        va += 0x1000;
-                        pa += 0x1000;
-                }
-                btext_setup_display(width, height, depth, pitch, 0x90000000 | offset);
-                disp_bi.dispDeviceBase = (u8 *)address;
-        }
-#else /* CONFIG_POWER4 */
-        btext_setup_display(width, height, depth, pitch, address);
-        btext_prepare_BAT();
-#endif /* CONFIG_POWER4 */
-#endif /* CONFIG_BOOTX_TEXT */
-}
-
-/*
- * Make a copy of the device tree from the PROM.
- */
-static unsigned long __init
-copy_device_tree(unsigned long mem_start, unsigned long mem_end)
-{
-        phandle root;
-        unsigned long new_start;
-        struct device_node **allnextp;
-
-        root = call_prom("peer", 1, 1, (phandle)0);
-        if (root == (phandle)0) {
-                prom_print("couldn't get device tree root\n");
-                prom_exit();
-        }
-        allnextp = &allnodes;
-        mem_start = ALIGNUL(mem_start);
-        new_start = inspect_node(root, NULL, mem_start, mem_end, &allnextp);
-        *allnextp = NULL;
-        return new_start;
-}
-
-static unsigned long __init
-inspect_node(phandle node, struct device_node *dad,
-             unsigned long mem_start, unsigned long mem_end,
-             struct device_node ***allnextpp)
-{
-        int l;
-        phandle child;
-        struct device_node *np;
-        struct property *pp, **prev_propp;
-        char *prev_name, *namep;
-        unsigned char *valp;
-
-        np = (struct device_node *) mem_start;
-        mem_start += sizeof(struct device_node);
-        memset(np, 0, sizeof(*np));
-        np->node = node;
-        **allnextpp = PTRUNRELOC(np);
-        *allnextpp = &np->allnext;
-        if (dad != 0) {
-                np->parent = PTRUNRELOC(dad);
-                /* we temporarily use the `next' field as `last_child'. */
-                if (dad->next == 0)
-                        dad->child = PTRUNRELOC(np);
-                else
-                        dad->next->sibling = PTRUNRELOC(np);
-                dad->next = np;
-        }
-
-        /* get and store all properties */
-        prev_propp = &np->properties;
-        prev_name = "";
-        for (;;) {
-                pp = (struct property *) mem_start;
-                namep = (char *) (pp + 1);
-                pp->name = PTRUNRELOC(namep);
-                if (call_prom("nextprop", 3, 1, node, prev_name, namep) <= 0)
-                        break;
-                mem_start = ALIGNUL((unsigned long)namep + strlen(namep) + 1);
-                prev_name = namep;
-                valp = (unsigned char *) mem_start;
-                pp->value = PTRUNRELOC(valp);
-                pp->length = call_prom("getprop", 4, 1, node, namep,
-                                       valp, mem_end - mem_start);
-                if (pp->length < 0)
-                        continue;
-#ifdef MAX_PROPERTY_LENGTH
-                if (pp->length > MAX_PROPERTY_LENGTH)
-                        continue; /* ignore this property */
-#endif
-                mem_start = ALIGNUL(mem_start + pp->length);
-                *prev_propp = PTRUNRELOC(pp);
-                prev_propp = &pp->next;
-        }
-        if (np->node != 0) {
-                /* Add a "linux,phandle" property" */
-                pp = (struct property *) mem_start;
-                *prev_propp = PTRUNRELOC(pp);
-                prev_propp = &pp->next;
-                namep = (char *) (pp + 1);
-                pp->name = PTRUNRELOC(namep);
-                strcpy(namep, "linux,phandle");
-                mem_start = ALIGNUL((unsigned long)namep + strlen(namep) + 1);
-                pp->value = (unsigned char *) PTRUNRELOC(&np->node);
-                pp->length = sizeof(np->node);
-        }
-        *prev_propp = NULL;
-
-        /* get the node's full name */
-        l = call_prom("package-to-path", 3, 1, node,
-                      mem_start, mem_end - mem_start);
-        if (l >= 0) {
-                char *p, *ep;
-
-                np->full_name = PTRUNRELOC((char *) mem_start);
-                *(char *)(mem_start + l) = 0;
-                /* Fixup an Apple bug where they have bogus \0 chars in the
-                 * middle of the path in some properties
-                 */
-                for (p = (char *)mem_start, ep = p + l; p < ep; p++)
-                        if ((*p) == '\0') {
-                                memmove(p, p+1, ep - p);
-                                ep--;
-                        }
-                mem_start = ALIGNUL(mem_start + l + 1);
-        }
-
-        /* do all our children */
-        child = call_prom("child", 1, 1, node);
-        while (child != 0) {
-                mem_start = inspect_node(child, np, mem_start, mem_end,
-                                         allnextpp);
-                child = call_prom("peer", 1, 1, child);
-        }
-
-        return mem_start;
-}
-
-unsigned long smp_chrp_cpu_nr __initdata = 0;
-
-/*
- * With CHRP SMP we need to use the OF to start the other
- * processors so we can't wait until smp_boot_cpus (the OF is
- * trashed by then) so we have to put the processors into
- * a holding pattern controlled by the kernel (not OF) before
- * we destroy the OF.
- *
- * This uses a chunk of high memory, puts some holding pattern
- * code there and sends the other processors off to there until
- * smp_boot_cpus tells them to do something.  We do that by using
- * physical address 0x0.  The holding pattern checks that address
- * until its cpu # is there, when it is that cpu jumps to
- * __secondary_start().  smp_boot_cpus() takes care of setting those
- * values.
- *
- * We also use physical address 0x4 here to tell when a cpu
- * is in its holding pattern code.
- *
- * -- Cort
- *
- * Note that we have to do this if we have more than one CPU,
- * even if this is a UP kernel.  Otherwise when we trash OF
- * the other CPUs will start executing some random instructions
- * and crash the system.  -- paulus
- */
-static void __init
-prom_hold_cpus(unsigned long mem)
-{
-        extern void __secondary_hold(void);
-        unsigned long i;
-        int cpu;
-        phandle node;
-        char type[16], *path;
-        unsigned int reg;
-
-        /*
-         * XXX: hack to make sure we're chrp, assume that if we're
-         *      chrp we have a device_type property -- Cort
-         */
-        node = call_prom("finddevice", 1, 1, "/");
-        if (call_prom("getprop", 4, 1, node,
-                      "device_type", type, sizeof(type)) <= 0)
-                return;
-
-        /* copy the holding pattern code to someplace safe (0) */
-        /* the holding pattern is now within the first 0x100
-           bytes of the kernel image -- paulus */
-        memcpy((void *)0, _stext, 0x100);
-        flush_icache_range(0, 0x100);
-
-        /* look for cpus */
-        *(unsigned long *)(0x0) = 0;
-        asm volatile("dcbf 0,%0": : "r" (0) : "memory");
-        for (node = 0; prom_next_node(&node); ) {
-                type[0] = 0;
-                call_prom("getprop", 4, 1, node, "device_type",
-                          type, sizeof(type));
-                if (strcmp(type, "cpu") != 0)
-                        continue;
-                path = (char *) mem;
-                memset(path, 0, 256);
-                if (call_prom("package-to-path", 3, 1, node, path, 255) < 0)
-                        continue;
-                reg = -1;
-                call_prom("getprop", 4, 1, node, "reg", &reg, sizeof(reg));
-                cpu = smp_chrp_cpu_nr++;
-#ifdef CONFIG_SMP
-                smp_hw_index[cpu] = reg;
-#endif /* CONFIG_SMP */
-                /* XXX: hack - don't start cpu 0, this cpu -- Cort */
-                if (cpu == 0)
-                        continue;
-                prom_print("starting cpu ");
-                prom_print(path);
-                *(ulong *)(0x4) = 0;
-                call_prom("start-cpu", 3, 0, node,
-                          (char *)__secondary_hold - _stext, cpu);
-                prom_print("...");
-                for ( i = 0 ; (i < 10000) && (*(ulong *)(0x4) == 0); i++ )
-                        ;
-                if (*(ulong *)(0x4) == cpu)
-                        prom_print("ok\n");
-                else {
-                        prom_print("failed: ");
-                        prom_print_hex(*(ulong *)0x4);
-                        prom_print("\n");
-                }
-        }
-}
-
-static void __init
-prom_instantiate_rtas(void)
-{
-        ihandle prom_rtas;
-        prom_arg_t result;
-
-        prom_rtas = call_prom("finddevice", 1, 1, "/rtas");
-        if (prom_rtas == -1)
-                return;
-
-        rtas_size = 0;
-        call_prom("getprop", 4, 1, prom_rtas,
-                  "rtas-size", &rtas_size, sizeof(rtas_size));
-        prom_print("instantiating rtas");
-        if (rtas_size == 0) {
-                rtas_data = 0;
-        } else {
-                /*
-                 * Ask OF for some space for RTAS.
-                 * Actually OF has bugs so we just arbitrarily
-                 * use memory at the 6MB point.
-                 */
-                rtas_data = 6 << 20;
-                prom_print(" at ");
-                prom_print_hex(rtas_data);
-        }
-
-        prom_rtas = call_prom("open", 1, 1, "/rtas");
-        prom_print("...");
-        rtas_entry = 0;
-        if (call_prom_ret("call-method", 3, 2, &result,
-                          "instantiate-rtas", prom_rtas, rtas_data) == 0)
-                rtas_entry = result;
-        if ((rtas_entry == -1) || (rtas_entry == 0))
-                prom_print(" failed\n");
-        else
-                prom_print(" done\n");
-}
-
-/*
- * We enter here early on, when the Open Firmware prom is still
- * handling exceptions and the MMU hash table for us.
- */
-unsigned long __init
-prom_init(int r3, int r4, prom_entry pp)
-{
-        unsigned long mem;
-        ihandle prom_mmu;
-        unsigned long offset = reloc_offset();
-        int i, l;
-        char *p, *d;
-        unsigned long phys;
-        prom_arg_t result[3];
-        char model[32];
-        phandle node;
-        int rc;
-
-        /* Default */
-        phys = (unsigned long) &_stext;
-
-        /* First get a handle for the stdout device */
-        prom = pp;
-        prom_chosen = call_prom("finddevice", 1, 1, "/chosen");
-        if (prom_chosen == -1)
-                prom_exit();
-        if (call_prom("getprop", 4, 1, prom_chosen, "stdout",
-                      &prom_stdout, sizeof(prom_stdout)) <= 0)
-                prom_exit();
-
-        /* Get the full OF pathname of the stdout device */
-        mem = (unsigned long) klimit + offset;
-        p = (char *) mem;
-        memset(p, 0, 256);
-        call_prom("instance-to-path", 3, 1, prom_stdout, p, 255);
-        of_stdout_device = p;
-        mem += strlen(p) + 1;
-
-        /* Get the boot device and translate it to a full OF pathname. */
-        p = (char *) mem;
-        l = call_prom("getprop", 4, 1, prom_chosen, "bootpath", p, 1<<20);
-        if (l > 0) {
-                p[l] = 0;       /* should already be null-terminated */
-                bootpath = PTRUNRELOC(p);
-                mem += l + 1;
-                d = (char *) mem;
-                *d = 0;
-                call_prom("canon", 3, 1, p, d, 1<<20);
-                bootdevice = PTRUNRELOC(d);
-                mem = ALIGNUL(mem + strlen(d) + 1);
-        }
-
-        prom_instantiate_rtas();
-
-#ifdef CONFIG_POWER4
-        /*
-         * Find out how much memory we have and allocate a
-         * suitably-sized hash table.
-         */
-        prom_alloc_htab();
-#endif
-        mem = check_display(mem);
-
-        prom_print("copying OF device tree...");
-        mem = copy_device_tree(mem, mem + (1<<20));
-        prom_print("done\n");
-
-        prom_hold_cpus(mem);
-
-        klimit = (char *) (mem - offset);
-
-        node = call_prom("finddevice", 1, 1, "/");
-        rc = call_prom("getprop", 4, 1, node, "model", model, sizeof(model));
-        if (rc > 0 && !strncmp (model, "Pegasos", 7)
-                && strncmp (model, "Pegasos2", 8)) {
-                /* Pegasos 1 has a broken translate method in the OF,
-                 * and furthermore the BATs are mapped 1:1 so the phys
-                 * address calculated above is correct, so let's use
-                 * it directly.
-                 */
-        } else if (offset == 0) {
-                /* If we are already running at 0xc0000000, we assume we were
-                 * loaded by an OF bootloader which did set a BAT for us.
-                 * This breaks OF translate so we force phys to be 0.
-                 */
-                prom_print("(already at 0xc0000000) phys=0\n");
-                phys = 0;
-        } else if (call_prom("getprop", 4, 1, prom_chosen, "mmu",
-                             &prom_mmu, sizeof(prom_mmu)) <= 0) {
-                prom_print(" no MMU found\n");
-        } else if (call_prom_ret("call-method", 4, 4, result, "translate",
-                                 prom_mmu, &_stext, 1) != 0) {
-                prom_print(" (translate failed)\n");
-        } else {
-                /* We assume the phys. address size is 3 cells */
-                phys = result[2];
-        }
-
-        if (prom_disp_node != 0)
-                setup_disp_fake_bi(prom_disp_node);
-
-        /* Use quiesce call to get OF to shut down any devices it's using */
-        prom_print("Calling quiesce ...\n");
-        call_prom("quiesce", 0, 0);
-
-        /* Relocate various pointers which will be used once the
-           kernel is running at the address it was linked at. */
-        for (i = 0; i < prom_num_displays; ++i)
-                prom_display_paths[i] = PTRUNRELOC(prom_display_paths[i]);
-
-#ifdef CONFIG_SERIAL_CORE_CONSOLE
-        /* Relocate the of stdout for console autodetection */
-        of_stdout_device = PTRUNRELOC(of_stdout_device);
-#endif
-
-        prom_print("returning 0x");
-        prom_print_hex(phys);
-        prom_print("from prom_init\n");
-        prom_stdout = 0;
-
-        return phys;
-}
-
-/*
- * early_get_property is used to access the device tree image prepared
- * by BootX very early on, before the pointers in it have been relocated.
- */
-static void * __init
-early_get_property(unsigned long base, unsigned long node, char *prop)
-{
-        struct device_node *np = (struct device_node *)(base + node);
-        struct property *pp;
-
-        for (pp = np->properties; pp != 0; pp = pp->next) {
-                pp = (struct property *) (base + (unsigned long)pp);
-                if (strcmp((char *)((unsigned long)pp->name + base),
-                           prop) == 0) {
-                        return (void *)((unsigned long)pp->value + base);
-                }
-        }
-        return NULL;
-}
-
-/* Is boot-info compatible ? */
-#define BOOT_INFO_IS_COMPATIBLE(bi)             ((bi)->compatible_version <= BOOT_INFO_VERSION)
-#define BOOT_INFO_IS_V2_COMPATIBLE(bi)  ((bi)->version >= 2)
-#define BOOT_INFO_IS_V4_COMPATIBLE(bi)  ((bi)->version >= 4)
-
-void __init
-bootx_init(unsigned long r4, unsigned long phys)
-{
-        boot_infos_t *bi = (boot_infos_t *) r4;
-        unsigned long space;
-        unsigned long ptr, x;
-        char *model;
-
-        boot_infos = PTRUNRELOC(bi);
-        if (!BOOT_INFO_IS_V2_COMPATIBLE(bi))
-                bi->logicalDisplayBase = NULL;
-
-#ifdef CONFIG_BOOTX_TEXT
-        btext_init(bi);
-
-        /*
-         * Test if boot-info is compatible.  Done only in config
-         * CONFIG_BOOTX_TEXT since there is nothing much we can do
-         * with an incompatible version, except display a message
-         * and eventually hang the processor...
-         *
-         * I'll try to keep enough of boot-info compatible in the
-         * future to always allow display of this message;
-         */
-        if (!BOOT_INFO_IS_COMPATIBLE(bi)) {
-                btext_drawstring(" !!! WARNING - Incompatible version of BootX !!!\n\n\n");
-                btext_flushscreen();
-        }
-#endif  /* CONFIG_BOOTX_TEXT */
-
-        /* New BootX enters kernel with MMU off, i/os are not allowed
-           here. This hack will have been done by the boostrap anyway.
-        */
-        if (bi->version < 4) {
-                /*
-                 * XXX If this is an iMac, turn off the USB controller.
-                 */
-                model = (char *) early_get_property
-                        (r4 + bi->deviceTreeOffset, 4, "model");
-                if (model
-                    && (strcmp(model, "iMac,1") == 0
-                        || strcmp(model, "PowerMac1,1") == 0)) {
-                        out_le32((unsigned *)0x80880008, 1);    /* XXX */
-                }
-        }
-
-        /* Move klimit to enclose device tree, args, ramdisk, etc... */
-        if (bi->version < 5) {
-                space = bi->deviceTreeOffset + bi->deviceTreeSize;
-                if (bi->ramDisk)
-                        space = bi->ramDisk + bi->ramDiskSize;
-        } else
-                space = bi->totalParamsSize;
-        klimit = PTRUNRELOC((char *) bi + space);
-
-        /* New BootX will have flushed all TLBs and enters kernel with
-           MMU switched OFF, so this should not be useful anymore.
-        */
-        if (bi->version < 4) {
-                /*
-                 * Touch each page to make sure the PTEs for them
-                 * are in the hash table - the aim is to try to avoid
-                 * getting DSI exceptions while copying the kernel image.
-                 */
-                for (ptr = ((unsigned long) &_stext) & PAGE_MASK;
-                     ptr < (unsigned long)bi + space; ptr += PAGE_SIZE)
-                        x = *(volatile unsigned long *)ptr;
-        }
-
-#ifdef CONFIG_BOOTX_TEXT
-        /*
-         * Note that after we call btext_prepare_BAT, we can't do
-         * prom_draw*, flushscreen or clearscreen until we turn the MMU
-         * on, since btext_prepare_BAT sets disp_bi.logicalDisplayBase
-         * to a virtual address.
-         */
-        btext_prepare_BAT();
-#endif
-}
diff --git a/arch/ppc/xmon/start.c b/arch/ppc/xmon/start.c
index ff86b2d814cb..cfc2d6ad464d 100644
--- a/arch/ppc/xmon/start.c
+++ b/arch/ppc/xmon/start.c
@@ -58,7 +58,7 @@ static struct sysrq_key_op sysrq_xmon_op =
 void
 xmon_map_scc(void)
 {
-#ifdef CONFIG_PPC_MULTIPLATFORM
+#ifdef CONFIG_PPC_PREP
         volatile unsigned char *base;
 
 #elif defined(CONFIG_GEMINI)
diff --git a/drivers/char/Kconfig b/drivers/char/Kconfig
index 73d30bf01582..889cad07774e 100644
--- a/drivers/char/Kconfig
+++ b/drivers/char/Kconfig
@@ -561,14 +561,31 @@ config TIPAR
 
           If unsure, say N.
 
+config HVC_DRIVER
+        bool
+        help
+          Users of pSeries machines that want to utilize the hvc console front-end
+          module for their backend console driver should select this option.
+          It will automatically be selected if one of the back-end console drivers
+          is selected.
+
+
 config HVC_CONSOLE
         bool "pSeries Hypervisor Virtual Console support"
         depends on PPC_PSERIES
+        select HVC_DRIVER
         help
           pSeries machines when partitioned support a hypervisor virtual
           console. This driver allows each pSeries partition to have a console
           which is accessed via the HMC.
 
+config HVC_RTAS
+        bool "IBM RTAS Console support"
+        depends on PPC_RTAS
+        select HVC_DRIVER
+        help
+          IBM Console device driver which makes use of RTAS
+
 config HVCS
         tristate "IBM Hypervisor Virtual Console Server support"
         depends on PPC_PSERIES
diff --git a/drivers/char/Makefile b/drivers/char/Makefile
index b2a11245fa95..a73cb4956928 100644
--- a/drivers/char/Makefile
+++ b/drivers/char/Makefile
@@ -41,7 +41,9 @@ obj-$(CONFIG_N_HDLC)		+= n_hdlc.o
 obj-$(CONFIG_AMIGA_BUILTIN_SERIAL) += amiserial.o
 obj-$(CONFIG_SX)                += sx.o generic_serial.o
 obj-$(CONFIG_RIO)               += rio/ generic_serial.o
-obj-$(CONFIG_HVC_CONSOLE)       += hvc_console.o hvc_vio.o hvsi.o
+obj-$(CONFIG_HVC_DRIVER)        += hvc_console.o
+obj-$(CONFIG_HVC_CONSOLE)       += hvc_vio.o hvsi.o
+obj-$(CONFIG_HVC_RTAS)          += hvc_rtas.o
 obj-$(CONFIG_RAW_DRIVER)        += raw.o
 obj-$(CONFIG_SGI_SNSC)          += snsc.o snsc_event.o
 obj-$(CONFIG_MMTIMER)           += mmtimer.o
diff --git a/drivers/char/generic_nvram.c b/drivers/char/generic_nvram.c
index 1b5e01e6e129..43ff59816511 100644
--- a/drivers/char/generic_nvram.c
+++ b/drivers/char/generic_nvram.c
@@ -22,6 +22,9 @@
 #include <linux/smp_lock.h>
 #include <asm/uaccess.h>
 #include <asm/nvram.h>
+#ifdef CONFIG_PPC_PMAC
+#include <asm/machdep.h>
+#endif
 
 #define NVRAM_SIZE      8192
 
@@ -92,7 +95,7 @@ static int nvram_ioctl(struct inode *inode, struct file *file,
         case IOC_NVRAM_GET_OFFSET: {
                 int part, offset;
 
-                if (_machine != _MACH_Pmac)
+                if (!machine_is(powermac))
                         return -EINVAL;
                 if (copy_from_user(&part, (void __user*)arg, sizeof(part)) != 0)
                         return -EFAULT;
diff --git a/drivers/char/hvc_console.c b/drivers/char/hvc_console.c
index f65b2e14a485..2b6a56b2bf35 100644
--- a/drivers/char/hvc_console.c
+++ b/drivers/char/hvc_console.c
@@ -39,8 +39,10 @@
 #include <linux/sched.h>
 #include <linux/spinlock.h>
 #include <linux/delay.h>
+
 #include <asm/uaccess.h>
-#include <asm/hvconsole.h>
+
+#include "hvc_console.h"
 
 #define HVC_MAJOR       229
 #define HVC_MINOR       0
@@ -54,17 +56,14 @@
 #define HVC_CLOSE_WAIT (HZ/100) /* 1/10 of a second */
 
 /*
- * The Linux TTY code does not support dynamic addition of tty derived devices
- * so we need to know how many tty devices we might need when space is allocated
- * for the tty device.  Since this driver supports hotplug of vty adapters we
- * need to make sure we have enough allocated.
+ * These sizes are most efficient for vio, because they are the
+ * native transfer size. We could make them selectable in the
+ * future to better deal with backends that want other buffer sizes.
  */
-#define HVC_ALLOC_TTY_ADAPTERS  8
-
 #define N_OUTBUF        16
 #define N_INBUF         16
 
-#define __ALIGNED__     __attribute__((__aligned__(8)))
+#define __ALIGNED__ __attribute__((__aligned__(sizeof(long))))
 
 static struct tty_driver *hvc_driver;
 static struct task_struct *hvc_task;
@@ -154,7 +153,7 @@ static uint32_t vtermnos[MAX_NR_HVC_CONSOLES] =
 
 void hvc_console_print(struct console *co, const char *b, unsigned count)
 {
-        char c[16] __ALIGNED__;
+        char c[N_OUTBUF] __ALIGNED__;
         unsigned i = 0, n = 0;
         int r, donecr = 0, index = co->index;
 
@@ -473,8 +472,10 @@ static void hvc_push(struct hvc_struct *hp)
 
         n = hp->ops->put_chars(hp->vtermno, hp->outbuf, hp->n_outbuf);
         if (n <= 0) {
-                if (n == 0)
+                if (n == 0) {
+                        hp->do_wakeup = 1;
                         return;
+                }
                 /* throw away output on error; this happens when
                    there is no session connected to the vterm. */
                 hp->n_outbuf = 0;
@@ -486,12 +487,19 @@ static void hvc_push(struct hvc_struct *hp)
                 hp->do_wakeup = 1;
 }
 
-static inline int __hvc_write_kernel(struct hvc_struct *hp,
-                                   const unsigned char *buf, int count)
+static int hvc_write(struct tty_struct *tty, const unsigned char *buf, int count)
 {
+        struct hvc_struct *hp = tty->driver_data;
         unsigned long flags;
         int rsize, written = 0;
 
+        /* This write was probably executed during a tty close. */
+        if (!hp)
+                return -EPIPE;
+
+        if (hp->count <= 0)
+                return -EIO;
+
         spin_lock_irqsave(&hp->lock, flags);
 
         /* Push pending writes */
@@ -510,26 +518,8 @@ static inline int __hvc_write_kernel(struct hvc_struct *hp,
         }
         spin_unlock_irqrestore(&hp->lock, flags);
 
-        return written;
-}
-static int hvc_write(struct tty_struct *tty, const unsigned char *buf, int count)
-{
-        struct hvc_struct *hp = tty->driver_data;
-        int written;
-
-        /* This write was probably executed during a tty close. */
-        if (!hp)
-                return -EPIPE;
-
-        if (hp->count <= 0)
-                return -EIO;
-
-        written = __hvc_write_kernel(hp, buf, count);
-
         /*
          * Racy, but harmless, kick thread if there is still pending data.
-         * There really is nothing wrong with kicking the thread, even if there
-         * is no buffered data.
          */
         if (hp->n_outbuf)
                 hvc_kick();
@@ -614,6 +604,13 @@ static int hvc_poll(struct hvc_struct *hp)
                                 spin_unlock_irqrestore(&hp->lock, flags);
                                 tty_hangup(tty);
                                 spin_lock_irqsave(&hp->lock, flags);
+                        } else if ( n == -EAGAIN ) {
+                                /*
+                                 * Some back-ends can only ensure a certain min
+                                 * num of bytes read, which may be > 'count'.
+                                 * Let the tty clear the flip buff to make room.
+                                 */
+                                poll_mask |= HVC_POLL_READ;
                         }
                         break;
                 }
@@ -635,16 +632,7 @@ static int hvc_poll(struct hvc_struct *hp)
                         tty_insert_flip_char(tty, buf[i], 0);
                 }
 
-                /*
-                 * Account for the total amount read in one loop, and if above
-                 * 64 bytes, we do a quick schedule loop to let the tty grok
-                 * the data and eventually throttle us.
-                 */
                 read_total += n;
-                if (read_total >= 64) {
-                        poll_mask |= HVC_POLL_QUICK;
-                        break;
-                }
         }
  throttled:
         /* Wakeup write queue if necessary */
@@ -767,7 +755,8 @@ struct hvc_struct __devinit *hvc_alloc(uint32_t vtermno, int irq,
          * see if this vterm id matches one registered for console.
          */
         for (i=0; i < MAX_NR_HVC_CONSOLES; i++)
-                if (vtermnos[i] == hp->vtermno)
+                if (vtermnos[i] == hp->vtermno &&
+                    cons_ops[i] == hp->ops)
                         break;
 
         /* no matching slot, just use a counter */
@@ -823,34 +812,38 @@ EXPORT_SYMBOL(hvc_remove);
  * interfaces start to become available. */
 int __init hvc_init(void)
 {
+        struct tty_driver *drv;
+
         /* We need more than hvc_count adapters due to hotplug additions. */
-        hvc_driver = alloc_tty_driver(HVC_ALLOC_TTY_ADAPTERS);
-        if (!hvc_driver)
+        drv = alloc_tty_driver(HVC_ALLOC_TTY_ADAPTERS);
+        if (!drv)
                 return -ENOMEM;
 
-        hvc_driver->owner = THIS_MODULE;
-        hvc_driver->devfs_name = "hvc/";
-        hvc_driver->driver_name = "hvc";
-        hvc_driver->name = "hvc";
-        hvc_driver->major = HVC_MAJOR;
-        hvc_driver->minor_start = HVC_MINOR;
-        hvc_driver->type = TTY_DRIVER_TYPE_SYSTEM;
-        hvc_driver->init_termios = tty_std_termios;
-        hvc_driver->flags = TTY_DRIVER_REAL_RAW;
-        tty_set_operations(hvc_driver, &hvc_ops);
+        drv->owner = THIS_MODULE;
+        drv->devfs_name = "hvc/";
+        drv->driver_name = "hvc";
+        drv->name = "hvc";
+        drv->major = HVC_MAJOR;
+        drv->minor_start = HVC_MINOR;
+        drv->type = TTY_DRIVER_TYPE_SYSTEM;
+        drv->init_termios = tty_std_termios;
+        drv->flags = TTY_DRIVER_REAL_RAW;
+        tty_set_operations(drv, &hvc_ops);
 
         /* Always start the kthread because there can be hotplug vty adapters
          * added later. */
         hvc_task = kthread_run(khvcd, NULL, "khvcd");
         if (IS_ERR(hvc_task)) {
                 panic("Couldn't create kthread for console.\n");
-                put_tty_driver(hvc_driver);
+                put_tty_driver(drv);
                 return -EIO;
         }
 
-        if (tty_register_driver(hvc_driver))
+        if (tty_register_driver(drv))
                 panic("Couldn't register hvc console driver\n");
 
+        mb();
+        hvc_driver = drv;
         return 0;
 }
 module_init(hvc_init);
diff --git a/drivers/char/hvc_console.h b/drivers/char/hvc_console.h
new file mode 100644
index 000000000000..96b7401319c1
--- /dev/null
+++ b/drivers/char/hvc_console.h
@@ -0,0 +1,63 @@
+/*
+ * hvc_console.h
+ * Copyright (C) 2005 IBM Corporation
+ *
+ * Author(s):
+ *      Ryan S. Arnold <rsa@us.ibm.com>
+ *
+ * hvc_console header information:
+ *      moved here from include/asm-powerpc/hvconsole.h
+ *      and drivers/char/hvc_console.c
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307 USA
+ */
+
+#ifndef HVC_CONSOLE_H
+#define HVC_CONSOLE_H
+
+/*
+ * This is the max number of console adapters that can/will be found as
+ * console devices on first stage console init.  Any number beyond this range
+ * can't be used as a console device but is still a valid tty device.
+ */
+#define MAX_NR_HVC_CONSOLES     16
+
+/*
+ * The Linux TTY code does not support dynamic addition of tty derived devices
+ * so we need to know how many tty devices we might need when space is allocated
+ * for the tty device.  Since this driver supports hotplug of vty adapters we
+ * need to make sure we have enough allocated.
+ */
+#define HVC_ALLOC_TTY_ADAPTERS  8
+
+
+/* implemented by a low level driver */
+struct hv_ops {
+        int (*get_chars)(uint32_t vtermno, char *buf, int count);
+        int (*put_chars)(uint32_t vtermno, const char *buf, int count);
+};
+
+struct hvc_struct;
+
+/* Register a vterm and a slot index for use as a console (console_init) */
+extern int hvc_instantiate(uint32_t vtermno, int index, struct hv_ops *ops);
+
+/* register a vterm for hvc tty operation (module_init or hotplug add) */
+extern struct hvc_struct * __devinit hvc_alloc(uint32_t vtermno, int irq,
+                                                 struct hv_ops *ops);
+/* remove a vterm from hvc tty operation (modele_exit or hotplug remove) */
+extern int __devexit hvc_remove(struct hvc_struct *hp);
+
+#endif // HVC_CONSOLE_H
diff --git a/drivers/char/hvc_rtas.c b/drivers/char/hvc_rtas.c
new file mode 100644
index 000000000000..83364ea63cba
--- /dev/null
+++ b/drivers/char/hvc_rtas.c
@@ -0,0 +1,138 @@
+/*
+ * IBM RTAS driver interface to hvc_console.c
+ *
+ * (C) Copyright IBM Corporation 2001-2005
+ * (C) Copyright Red Hat, Inc. 2005
+ *
+ * Author(s): Maximino Augilar <IBM STI Design Center>
+ *          : Ryan S. Arnold <rsa@us.ibm.com>
+ *          : Utz Bacher <utz.bacher@de.ibm.com>
+ *          : David Woodhouse <dwmw2@infradead.org>
+ *
+ *    inspired by drivers/char/hvc_console.c
+ *    written by Anton Blanchard and Paul Mackerras
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307 USA
+ */
+
+#include <linux/console.h>
+#include <linux/delay.h>
+#include <linux/err.h>
+#include <linux/init.h>
+#include <linux/moduleparam.h>
+#include <linux/types.h>
+
+#include <asm/irq.h>
+#include <asm/rtas.h>
+#include "hvc_console.h"
+
+#define hvc_rtas_cookie 0x67781e15
+struct hvc_struct *hvc_rtas_dev;
+
+#define RTASCONS_PUT_ATTEMPTS  16
+
+static int rtascons_put_char_token = RTAS_UNKNOWN_SERVICE;
+static int rtascons_get_char_token = RTAS_UNKNOWN_SERVICE;
+static int rtascons_put_delay = 100;
+module_param_named(put_delay, rtascons_put_delay, int, 0644);
+
+static inline int hvc_rtas_write_console(uint32_t vtermno, const char *buf, int count)
+{
+        int done;
+
+        /* if there is more than one character to be displayed, wait a bit */
+        for (done = 0; done < count; done++) {
+                int result;
+                result = rtas_call(rtascons_put_char_token, 1, 1, NULL, buf[done]);
+                if (result)
+                        break;
+        }
+        /* the calling routine expects to receive the number of bytes sent */
+        return done;
+}
+
+static int hvc_rtas_read_console(uint32_t vtermno, char *buf, int count)
+{
+        int i;
+
+        for (i = 0; i < count; i++) {
+                int c, err;
+
+                err = rtas_call(rtascons_get_char_token, 0, 2, &c);
+                if (err)
+                        break;
+
+                buf[i] = c;
+        }
+
+        return i;
+}
+
+static struct hv_ops hvc_rtas_get_put_ops = {
+        .get_chars = hvc_rtas_read_console,
+        .put_chars = hvc_rtas_write_console,
+};
+
+static int hvc_rtas_init(void)
+{
+        struct hvc_struct *hp;
+
+        if (rtascons_put_char_token == RTAS_UNKNOWN_SERVICE)
+                rtascons_put_char_token = rtas_token("put-term-char");
+        if (rtascons_put_char_token == RTAS_UNKNOWN_SERVICE)
+                return -EIO;
+
+        if (rtascons_get_char_token == RTAS_UNKNOWN_SERVICE)
+                rtascons_get_char_token = rtas_token("get-term-char");
+        if (rtascons_get_char_token == RTAS_UNKNOWN_SERVICE)
+                return -EIO;
+
+        BUG_ON(hvc_rtas_dev);
+
+        /* Allocate an hvc_struct for the console device we instantiated
+         * earlier.  Save off hp so that we can return it on exit */
+        hp = hvc_alloc(hvc_rtas_cookie, NO_IRQ, &hvc_rtas_get_put_ops);
+        if (IS_ERR(hp))
+                return PTR_ERR(hp);
+        hvc_rtas_dev = hp;
+        return 0;
+}
+module_init(hvc_rtas_init);
+
+/* This will tear down the tty portion of the driver */
+static void __exit hvc_rtas_exit(void)
+{
+        /* Really the fun isn't over until the worker thread breaks down and the
+         * tty cleans up */
+        if (hvc_rtas_dev)
+                hvc_remove(hvc_rtas_dev);
+}
+module_exit(hvc_rtas_exit);
+
+/* This will happen prior to module init.  There is no tty at this time? */
+static int hvc_rtas_console_init(void)
+{
+        rtascons_put_char_token = rtas_token("put-term-char");
+        if (rtascons_put_char_token == RTAS_UNKNOWN_SERVICE)
+                return -EIO;
+        rtascons_get_char_token = rtas_token("get-term-char");
+        if (rtascons_get_char_token == RTAS_UNKNOWN_SERVICE)
+                return -EIO;
+
+        hvc_instantiate(hvc_rtas_cookie, 0, &hvc_rtas_get_put_ops );
+        add_preferred_console("hvc", 0, NULL);
+        return 0;
+}
+console_initcall(hvc_rtas_console_init);
diff --git a/drivers/char/hvc_vio.c b/drivers/char/hvc_vio.c
index f5212eb2b41d..9add81ceb440 100644
--- a/drivers/char/hvc_vio.c
+++ b/drivers/char/hvc_vio.c
@@ -31,10 +31,13 @@
 
 #include <linux/types.h>
 #include <linux/init.h>
+
 #include <asm/hvconsole.h>
 #include <asm/vio.h>
 #include <asm/prom.h>
 
+#include "hvc_console.h"
+
 char hvc_driver_name[] = "hvc_console";
 
 static struct vio_device_id hvc_driver_table[] __devinitdata = {
@@ -48,6 +51,14 @@ static int filtered_get_chars(uint32_t vtermno, char *buf, int count)
         unsigned long got;
         int i;
 
+        /*
+         * Vio firmware will read up to SIZE_VIO_GET_CHARS at its own discretion
+         * so we play safe and avoid the situation where got > count which could
+         * overload the flip buffer.
+         */
+        if (count < SIZE_VIO_GET_CHARS)
+                return -EAGAIN;
+
         got = hvc_get_chars(vtermno, buf, count);
 
         /*
diff --git a/drivers/char/hvcs.c b/drivers/char/hvcs.c
index f7ac31856572..327b00c3c45e 100644
--- a/drivers/char/hvcs.c
+++ b/drivers/char/hvcs.c
@@ -439,7 +439,6 @@ static int hvcs_io(struct hvcs_struct *hvcsd)
         char buf[HVCS_BUFF_LEN] __ALIGNED__;
         unsigned long flags;
         int got = 0;
-        int i;
 
         spin_lock_irqsave(&hvcsd->lock, flags);
 
diff --git a/drivers/ide/pci/via82cxxx.c b/drivers/ide/pci/via82cxxx.c
index c85b87cb59d1..3e677c4f8c28 100644
--- a/drivers/ide/pci/via82cxxx.c
+++ b/drivers/ide/pci/via82cxxx.c
@@ -440,7 +440,7 @@ static void __devinit init_hwif_via82cxxx(ide_hwif_t *hwif)
 
 
 #if defined(CONFIG_PPC_CHRP) && defined(CONFIG_PPC32)
-        if(_machine == _MACH_chrp && _chrp_type == _CHRP_Pegasos) {
+        if(machine_is(chrp) && _chrp_type == _CHRP_Pegasos) {
                 hwif->irq = hwif->channel ? 15 : 14;
         }
 #endif
diff --git a/drivers/ide/ppc/pmac.c b/drivers/ide/ppc/pmac.c
index 5013b1285e22..78e30f803671 100644
--- a/drivers/ide/ppc/pmac.c
+++ b/drivers/ide/ppc/pmac.c
@@ -1677,7 +1677,7 @@ MODULE_DEVICE_TABLE(pci, pmac_ide_pci_match);
 void __init
 pmac_ide_probe(void)
 {
-        if (_machine != _MACH_Pmac)
+        if (!machine_is(powermac))
                 return;
 
 #ifdef CONFIG_BLK_DEV_IDE_PMAC_ATA100FIRST
diff --git a/drivers/ieee1394/ohci1394.c b/drivers/ieee1394/ohci1394.c
index a86beeb6af5d..19222878aae9 100644
--- a/drivers/ieee1394/ohci1394.c
+++ b/drivers/ieee1394/ohci1394.c
@@ -3529,7 +3529,7 @@ static void ohci1394_pci_remove(struct pci_dev *pdev)
 static int ohci1394_pci_resume (struct pci_dev *pdev)
 {
 #ifdef CONFIG_PPC_PMAC
-        if (_machine == _MACH_Pmac) {
+        if (machine_is(powermac)) {
                 struct device_node *of_node;
 
                 /* Re-enable 1394 */
@@ -3548,7 +3548,7 @@ static int ohci1394_pci_resume (struct pci_dev *pdev)
 static int ohci1394_pci_suspend (struct pci_dev *pdev, pm_message_t state)
 {
 #ifdef CONFIG_PPC_PMAC
-        if (_machine == _MACH_Pmac) {
+        if (machine_is(powermac)) {
                 struct device_node *of_node;
 
                 /* Disable 1394 */
diff --git a/drivers/macintosh/adb.c b/drivers/macintosh/adb.c
index 34fcabac5fdb..259fd8973ce9 100644
--- a/drivers/macintosh/adb.c
+++ b/drivers/macintosh/adb.c
@@ -42,6 +42,7 @@
 #include <asm/semaphore.h>
 #ifdef CONFIG_PPC
 #include <asm/prom.h>
+#include <asm/machdep.h>
 #endif
 
 
@@ -294,7 +295,7 @@ int __init adb_init(void)
         int i;
 
 #ifdef CONFIG_PPC32
-        if ( (_machine != _MACH_chrp) && (_machine != _MACH_Pmac) )
+        if (!machine_is(chrp) && !machine_is(powermac))
                 return 0;
 #endif
 #ifdef CONFIG_MAC
diff --git a/drivers/macintosh/adbhid.c b/drivers/macintosh/adbhid.c
index f5779a73184d..394334ec5765 100644
--- a/drivers/macintosh/adbhid.c
+++ b/drivers/macintosh/adbhid.c
@@ -1206,8 +1206,8 @@ init_ms_a3(int id)
 static int __init adbhid_init(void)
 {
 #ifndef CONFIG_MAC
-        if ( (_machine != _MACH_chrp) && (_machine != _MACH_Pmac) )
-            return 0;
+        if (!machine_is(chrp) && !machine_is(powermac))
+                return 0;
 #endif
 
         led_request.complete = 1;
diff --git a/drivers/macintosh/mediabay.c b/drivers/macintosh/mediabay.c
index 8dbf2852bae0..53c1c7909413 100644
--- a/drivers/macintosh/mediabay.c
+++ b/drivers/macintosh/mediabay.c
@@ -839,8 +839,8 @@ static int __init media_bay_init(void)
                 media_bays[i].cd_index          = -1;
 #endif
         }
-        if (_machine != _MACH_Pmac)
-                return -ENODEV;
+        if (!machine_is(powermac))
+                return 0;
 
         macio_register_driver(&media_bay_driver);       
 
diff --git a/drivers/media/video/planb.c b/drivers/media/video/planb.c
index 522e9ddeb089..d9e3cada52f4 100644
--- a/drivers/media/video/planb.c
+++ b/drivers/media/video/planb.c
@@ -2156,7 +2156,7 @@ static int find_planb(void)
         struct pci_dev          *pdev;
         int rc;
 
-        if (_machine != _MACH_Pmac)
+        if (!machine_is(powermac))
                 return 0;
 
         planb_devices = find_devices("planb");
diff --git a/drivers/net/tulip/de4x5.c b/drivers/net/tulip/de4x5.c
index d1a86a080a65..f56094102042 100644
--- a/drivers/net/tulip/de4x5.c
+++ b/drivers/net/tulip/de4x5.c
@@ -4160,7 +4160,7 @@ get_hw_addr(struct net_device *dev)
     ** If the address starts with 00 a0, we have to bit-reverse
     ** each byte of the address.
     */
-    if ( (_machine & _MACH_Pmac) &&
+    if ( machine_is(powermac) &&
          (dev->dev_addr[0] == 0) &&
          (dev->dev_addr[1] == 0xa0) )
     {
diff --git a/drivers/scsi/mesh.c b/drivers/scsi/mesh.c
index d6d2125f9044..f852421002ef 100644
--- a/drivers/scsi/mesh.c
+++ b/drivers/scsi/mesh.c
@@ -1748,7 +1748,7 @@ static int mesh_host_reset(struct scsi_cmnd *cmd)
 
 static void set_mesh_power(struct mesh_state *ms, int state)
 {
-        if (_machine != _MACH_Pmac)
+        if (!machine_is(powermac))
                 return;
         if (state) {
                 pmac_call_feature(PMAC_FTR_MESH_ENABLE, macio_get_of_node(ms->mdev), 0, 1);
diff --git a/drivers/usb/core/hcd-pci.c b/drivers/usb/core/hcd-pci.c
index e0afb5ad29e5..0d2193b69235 100644
--- a/drivers/usb/core/hcd-pci.c
+++ b/drivers/usb/core/hcd-pci.c
@@ -296,7 +296,7 @@ done:
 
 #ifdef CONFIG_PPC_PMAC
                 /* Disable ASIC clocks for USB */
-                if (_machine == _MACH_Pmac) {
+                if (machine_is(powermac)) {
                         struct device_node      *of_node;
 
                         of_node = pci_device_to_OF_node (dev);
@@ -331,7 +331,7 @@ int usb_hcd_pci_resume (struct pci_dev *dev)
 
 #ifdef CONFIG_PPC_PMAC
         /* Reenable ASIC clocks for USB */
-        if (_machine == _MACH_Pmac) {
+        if (machine_is(powermac)) {
                 struct device_node *of_node;
 
                 of_node = pci_device_to_OF_node (dev);
diff --git a/drivers/video/aty/aty128fb.c b/drivers/video/aty/aty128fb.c
index 821c6da8e42c..f7bbff4ddc6a 100644
--- a/drivers/video/aty/aty128fb.c
+++ b/drivers/video/aty/aty128fb.c
@@ -67,6 +67,7 @@
 #include <asm/io.h>
 
 #ifdef CONFIG_PPC_PMAC
+#include <asm/machdep.h>
 #include <asm/pmac_feature.h>
 #include <asm/prom.h>
 #include <asm/pci-bridge.h>
@@ -1748,7 +1749,7 @@ static int __init aty128_init(struct pci_dev *pdev, const struct pci_device_id *
 
         var = default_var;
 #ifdef CONFIG_PPC_PMAC
-        if (_machine == _MACH_Pmac) {
+        if (machine_is(powermac)) {
                 /* Indicate sleep capability */
                 if (par->chip_gen == rage_M3) {
                         pmac_call_feature(PMAC_FTR_DEVICE_CAN_WAKE, NULL, 0, 1);
@@ -2011,7 +2012,7 @@ static int aty128fb_blank(int blank, struct fb_info *fb)
                 return 0;
 
 #ifdef CONFIG_PMAC_BACKLIGHT
-        if ((_machine == _MACH_Pmac) && blank)
+        if (machine_is(powermac) && blank)
                 set_backlight_enable(0);
 #endif /* CONFIG_PMAC_BACKLIGHT */
 
@@ -2029,7 +2030,7 @@ static int aty128fb_blank(int blank, struct fb_info *fb)
                 aty128_set_lcd_enable(par, par->lcd_on && !blank);
         }
 #ifdef CONFIG_PMAC_BACKLIGHT
-        if ((_machine == _MACH_Pmac) && !blank)
+        if (machine_is(powermac) && !blank)
                 set_backlight_enable(1);
 #endif /* CONFIG_PMAC_BACKLIGHT */
         return 0;
diff --git a/drivers/video/aty/atyfb_base.c b/drivers/video/aty/atyfb_base.c
index e799fcca365a..b39e72d5413b 100644
--- a/drivers/video/aty/atyfb_base.c
+++ b/drivers/video/aty/atyfb_base.c
@@ -75,6 +75,7 @@
 #include "ati_ids.h"
 
 #ifdef __powerpc__
+#include <asm/machdep.h>
 #include <asm/prom.h>
 #include "../macmodes.h"
 #endif
@@ -2518,7 +2519,7 @@ static int __init aty_init(struct fb_info *info, const char *name)
 
         memset(&var, 0, sizeof(var));
 #ifdef CONFIG_PPC
-        if (_machine == _MACH_Pmac) {
+        if (machine_is(powermac)) {
                 /*
                  *  FIXME: The NVRAM stuff should be put in a Mac-specific file, as it
                  *         applies to all Mac video cards
@@ -2673,7 +2674,7 @@ static int atyfb_blank(int blank, struct fb_info *info)
                 return 0;
 
 #ifdef CONFIG_PMAC_BACKLIGHT
-        if ((_machine == _MACH_Pmac) && blank > FB_BLANK_NORMAL)
+        if (machine_is(powermac) && blank > FB_BLANK_NORMAL)
                 set_backlight_enable(0);
 #elif defined(CONFIG_FB_ATY_GENERIC_LCD)
         if (par->lcd_table && blank > FB_BLANK_NORMAL &&
@@ -2705,7 +2706,7 @@ static int atyfb_blank(int blank, struct fb_info *info)
         aty_st_le32(CRTC_GEN_CNTL, gen_cntl, par);
 
 #ifdef CONFIG_PMAC_BACKLIGHT
-        if ((_machine == _MACH_Pmac) && blank <= FB_BLANK_NORMAL)
+        if (machine_is(powermac) && blank <= FB_BLANK_NORMAL)
                 set_backlight_enable(1);
 #elif defined(CONFIG_FB_ATY_GENERIC_LCD)
         if (par->lcd_table && blank <= FB_BLANK_NORMAL &&
diff --git a/drivers/video/aty/radeon_pm.c b/drivers/video/aty/radeon_pm.c
index 5886a2f1323e..c7091761cef4 100644
--- a/drivers/video/aty/radeon_pm.c
+++ b/drivers/video/aty/radeon_pm.c
@@ -20,7 +20,7 @@
 #include <linux/agp_backend.h>
 
 #ifdef CONFIG_PPC_PMAC
-#include <asm/processor.h>
+#include <asm/machdep.h>
 #include <asm/prom.h>
 #include <asm/pmac_feature.h>
 #endif
@@ -2745,7 +2745,7 @@ void radeonfb_pm_init(struct radeonfb_info *rinfo, int dynclk)
                 rinfo->pm_mode |= radeon_pm_off;
         }
 #if defined(CONFIG_PPC_PMAC)
-        if (_machine == _MACH_Pmac && rinfo->of_node) {
+        if (machine_is(powermac) && rinfo->of_node) {
                 if (rinfo->is_mobility && rinfo->pm_reg &&
                     rinfo->family <= CHIP_FAMILY_RV250)
                         rinfo->pm_mode |= radeon_pm_d2;
diff --git a/drivers/video/cirrusfb.c b/drivers/video/cirrusfb.c
index 66d6f2f0a219..1103010af54a 100644
--- a/drivers/video/cirrusfb.c
+++ b/drivers/video/cirrusfb.c
@@ -60,8 +60,8 @@
 #include <asm/amigahw.h>
 #endif
 #ifdef CONFIG_PPC_PREP
-#include <asm/processor.h>
-#define isPReP (_machine == _MACH_prep)
+#include <asm/machdep.h>
+#define isPReP (machine_is(prep))
 #else
 #define isPReP 0
 #endif
diff --git a/drivers/video/matrox/matroxfb_base.c b/drivers/video/matrox/matroxfb_base.c
index 951c9974a1d3..23c1827b2d0b 100644
--- a/drivers/video/matrox/matroxfb_base.c
+++ b/drivers/video/matrox/matroxfb_base.c
@@ -115,6 +115,7 @@
 #include <asm/uaccess.h>
 
 #ifdef CONFIG_PPC_PMAC
+#include <asm/machdep.h>
 unsigned char nvram_read_byte(int);
 static int default_vmode = VMODE_NVRAM;
 static int default_cmode = CMODE_NVRAM;
@@ -1833,7 +1834,7 @@ static int initMatrox2(WPMINFO struct board* b){
         /* FIXME: Where to move this?! */
 #if defined(CONFIG_PPC_PMAC)
 #ifndef MODULE
-        if (_machine == _MACH_Pmac) {
+        if (machine_is(powermac)) {
                 struct fb_var_screeninfo var;
                 if (default_vmode <= 0 || default_vmode > VMODE_MAX)
                         default_vmode = VMODE_640_480_60;
diff --git a/drivers/video/nvidia/nvidia.c b/drivers/video/nvidia/nvidia.c
index 6d3e4890cb43..093ab9977c7c 100644
--- a/drivers/video/nvidia/nvidia.c
+++ b/drivers/video/nvidia/nvidia.c
@@ -30,6 +30,7 @@
 #include <asm/pci-bridge.h>
 #endif
 #ifdef CONFIG_PMAC_BACKLIGHT
+#include <asm/machdep.h>
 #include <asm/backlight.h>
 #endif
 
@@ -1355,7 +1356,7 @@ static int nvidiafb_blank(int blank, struct fb_info *info)
         NVWriteCrtc(par, 0x1a, vesa);
 
 #ifdef CONFIG_PMAC_BACKLIGHT
-        if (par->FlatPanel && _machine == _MACH_Pmac) {
+        if (par->FlatPanel && machine_is(powermac)) {
                 set_backlight_enable(!blank);
         }
 #endif
@@ -1741,7 +1742,7 @@ static int __devinit nvidiafb_probe(struct pci_dev *pd,
                info->fix.id,
                par->FbMapSize / (1024 * 1024), info->fix.smem_start);
 #ifdef CONFIG_PMAC_BACKLIGHT
-        if (par->FlatPanel && _machine == _MACH_Pmac)
+        if (par->FlatPanel && machine_is(powermac))
                 register_backlight_controller(&nvidia_backlight_controller,
                                               par, "mnca");
 #endif
diff --git a/drivers/video/radeonfb.c b/drivers/video/radeonfb.c
index 24982adb3aa2..afb6c2ead599 100644
--- a/drivers/video/radeonfb.c
+++ b/drivers/video/radeonfb.c
@@ -1596,7 +1596,7 @@ static int radeonfb_blank (int blank, struct fb_info *info)
                 return 0;
                 
 #ifdef CONFIG_PMAC_BACKLIGHT
-        if (rinfo->dviDisp_type == MT_LCD && _machine == _MACH_Pmac) {
+        if (rinfo->dviDisp_type == MT_LCD && machine_is(powermac)) {
                 set_backlight_enable(!blank);
                 return 0;
         }
diff --git a/drivers/video/riva/fbdev.c b/drivers/video/riva/fbdev.c
index f841f013b96f..3e9308f0f165 100644
--- a/drivers/video/riva/fbdev.c
+++ b/drivers/video/riva/fbdev.c
@@ -49,6 +49,7 @@
 #include <asm/pci-bridge.h>
 #endif
 #ifdef CONFIG_PMAC_BACKLIGHT
+#include <asm/machdep.h>
 #include <asm/backlight.h>
 #endif
 
@@ -1247,7 +1248,7 @@ static int rivafb_blank(int blank, struct fb_info *info)
         CRTCout(par, 0x1a, vesa);
 
 #ifdef CONFIG_PMAC_BACKLIGHT
-        if ( par->FlatPanel && _machine == _MACH_Pmac) {
+        if ( par->FlatPanel && machine_is(powermac)) {
                 set_backlight_enable(!blank);
         }
 #endif
@@ -2037,9 +2038,9 @@ static int __devinit rivafb_probe(struct pci_dev *pd,
                 info->fix.smem_len / (1024 * 1024),
                 info->fix.smem_start);
 #ifdef CONFIG_PMAC_BACKLIGHT
-        if (default_par->FlatPanel && _machine == _MACH_Pmac)
-        register_backlight_controller(&riva_backlight_controller,
-                                                default_par, "mnca");
+        if (default_par->FlatPanel && machine_is(powermac))
+                register_backlight_controller(&riva_backlight_controller,
+                                              default_par, "mnca");
 #endif
         NVTRACE_LEAVE();
         return 0;
diff --git a/fs/partitions/mac.c b/fs/partitions/mac.c
index bb22cdd0cb14..813292f21210 100644
--- a/fs/partitions/mac.c
+++ b/fs/partitions/mac.c
@@ -12,6 +12,7 @@
 #include "mac.h"
 
 #ifdef CONFIG_PPC_PMAC
+#include <asm/machdep.h>
 extern void note_bootable_part(dev_t dev, int part, int goodness);
 #endif
 
@@ -79,7 +80,7 @@ int mac_partition(struct parsed_partitions *state, struct block_device *bdev)
                  * If this is the first bootable partition, tell the
                  * setup code, in case it wants to make this the root.
                  */
-                if (_machine == _MACH_Pmac) {
+                if (machine_is(powermac)) {
                         int goodness = 0;
 
                         mac_fix_string(part->processor, 16);
diff --git a/fs/proc/proc_devtree.c b/fs/proc/proc_devtree.c
index 596b4b4f1cc8..abdf068bc27f 100644
--- a/fs/proc/proc_devtree.c
+++ b/fs/proc/proc_devtree.c
@@ -52,7 +52,8 @@ static int property_read_proc(char *page, char **start, off_t off,
  * Add a property to a node
  */
 static struct proc_dir_entry *
-__proc_device_tree_add_prop(struct proc_dir_entry *de, struct property *pp)
+__proc_device_tree_add_prop(struct proc_dir_entry *de, struct property *pp,
+                const char *name)
 {
         struct proc_dir_entry *ent;
 
@@ -60,14 +61,14 @@ __proc_device_tree_add_prop(struct proc_dir_entry *de, struct property *pp)
          * Unfortunately proc_register puts each new entry
          * at the beginning of the list.  So we rearrange them.
          */
-        ent = create_proc_read_entry(pp->name,
-                                     strncmp(pp->name, "security-", 9)
+        ent = create_proc_read_entry(name,
+                                     strncmp(name, "security-", 9)
                                      ? S_IRUGO : S_IRUSR, de,
                                      property_read_proc, pp);
         if (ent == NULL)
                 return NULL;
 
-        if (!strncmp(pp->name, "security-", 9))
+        if (!strncmp(name, "security-", 9))
                 ent->size = 0; /* don't leak number of password chars */
         else
                 ent->size = pp->length;
@@ -78,7 +79,7 @@ __proc_device_tree_add_prop(struct proc_dir_entry *de, struct property *pp)
 
 void proc_device_tree_add_prop(struct proc_dir_entry *pde, struct property *prop)
 {
-        __proc_device_tree_add_prop(pde, prop);
+        __proc_device_tree_add_prop(pde, prop, prop->name);
 }
 
 void proc_device_tree_remove_prop(struct proc_dir_entry *pde,
@@ -106,6 +107,69 @@ void proc_device_tree_update_prop(struct proc_dir_entry *pde,
 }
 
 /*
+ * Various dodgy firmware might give us nodes and/or properties with
+ * conflicting names. That's generally ok, except for exporting via /proc,
+ * so munge names here to ensure they're unique.
+ */
+
+static int duplicate_name(struct proc_dir_entry *de, const char *name)
+{
+        struct proc_dir_entry *ent;
+        int found = 0;
+
+        spin_lock(&proc_subdir_lock);
+
+        for (ent = de->subdir; ent != NULL; ent = ent->next) {
+                if (strcmp(ent->name, name) == 0) {
+                        found = 1;
+                        break;
+                }
+        }
+
+        spin_unlock(&proc_subdir_lock);
+
+        return found;
+}
+
+static const char *fixup_name(struct device_node *np, struct proc_dir_entry *de,
+                const char *name)
+{
+        char *fixed_name;
+        int fixup_len = strlen(name) + 2 + 1; /* name + #x + \0 */
+        int i = 1, size;
+
+realloc:
+        fixed_name = kmalloc(fixup_len, GFP_KERNEL);
+        if (fixed_name == NULL) {
+                printk(KERN_ERR "device-tree: Out of memory trying to fixup "
+                                "name \"%s\"\n", name);
+                return name;
+        }
+
+retry:
+        size = snprintf(fixed_name, fixup_len, "%s#%d", name, i);
+        size++; /* account for NULL */
+
+        if (size > fixup_len) {
+                /* We ran out of space, free and reallocate. */
+                kfree(fixed_name);
+                fixup_len = size;
+                goto realloc;
+        }
+
+        if (duplicate_name(de, fixed_name)) {
+                /* Multiple duplicates. Retry with a different offset. */
+                i++;
+                goto retry;
+        }
+
+        printk(KERN_WARNING "device-tree: Duplicate name in %s, "
+                        "renamed to \"%s\"\n", np->full_name, fixed_name);
+
+        return fixed_name;
+}
+
+/*
  * Process a node, adding entries for its children and its properties.
  */
 void proc_device_tree_add_node(struct device_node *np,
@@ -118,37 +182,30 @@ void proc_device_tree_add_node(struct device_node *np,
 
         set_node_proc_entry(np, de);
         for (child = NULL; (child = of_get_next_child(np, child));) {
+                /* Use everything after the last slash, or the full name */
                 p = strrchr(child->full_name, '/');
                 if (!p)
                         p = child->full_name;
                 else
                         ++p;
+
+                if (duplicate_name(de, p))
+                        p = fixup_name(np, de, p);
+
                 ent = proc_mkdir(p, de);
                 if (ent == 0)
                         break;
                 proc_device_tree_add_node(child, ent);
         }
         of_node_put(child);
+
         for (pp = np->properties; pp != 0; pp = pp->next) {
-                /*
-                 * Yet another Apple device-tree bogosity: on some machines,
-                 * they have properties & nodes with the same name. Those
-                 * properties are quite unimportant for us though, thus we
-                 * simply "skip" them here, but we do have to check.
-                 */
-                spin_lock(&proc_subdir_lock);
-                for (ent = de->subdir; ent != NULL; ent = ent->next)
-                        if (!strcmp(ent->name, pp->name))
-                                break;
-                spin_unlock(&proc_subdir_lock);
-                if (ent != NULL) {
-                        printk(KERN_WARNING "device-tree: property \"%s\" name"
-                               " conflicts with node in %s\n", pp->name,
-                               np->full_name);
-                        continue;
-                }
+                p = pp->name;
+
+                if (duplicate_name(de, p))
+                        p = fixup_name(np, de, p);
 
-                ent = __proc_device_tree_add_prop(de, pp);
+                ent = __proc_device_tree_add_prop(de, pp, p);
                 if (ent == 0)
                         break;
         }
diff --git a/include/asm-powerpc/bug.h b/include/asm-powerpc/bug.h
index 99817a802ca4..f44b529e3298 100644
--- a/include/asm-powerpc/bug.h
+++ b/include/asm-powerpc/bug.h
@@ -30,34 +30,60 @@ struct bug_entry *find_bug(unsigned long bugaddr);
 
 #ifdef CONFIG_BUG
 
+/*
+ * BUG_ON() and WARN_ON() do their best to cooperate with compile-time
+ * optimisations. However depending on the complexity of the condition
+ * some compiler versions may not produce optimal results.
+ */
+
 #define BUG() do {                                                       \
         __asm__ __volatile__(                                            \
                 "1:     twi 31,0,0\n"                                    \
                 ".section __bug_table,\"a\"\n"                           \
-                "\t"PPC_LONG"   1b,%0,%1,%2\n"                   \
+                "\t"PPC_LONG"   1b,%0,%1,%2\n"                           \
                 ".previous"                                              \
                 : : "i" (__LINE__), "i" (__FILE__), "i" (__FUNCTION__)); \
 } while (0)
 
 #define BUG_ON(x) do {                                          \
-        __asm__ __volatile__(                                   \
+        if (__builtin_constant_p(x)) {                          \
+                if (x)                                          \
+                        BUG();                                  \
+        } else {                                                \
+                __asm__ __volatile__(                           \
                 "1:     "PPC_TLNEI"     %0,0\n"                 \
                 ".section __bug_table,\"a\"\n"                  \
-                "\t"PPC_LONG"   1b,%1,%2,%3\n"          \
+                "\t"PPC_LONG"   1b,%1,%2,%3\n"                  \
                 ".previous"                                     \
                 : : "r" ((long)(x)), "i" (__LINE__),            \
                     "i" (__FILE__), "i" (__FUNCTION__));        \
+        }                                                       \
 } while (0)
 
-#define WARN_ON(x) do {                                         \
+#define __WARN() do {                                           \
         __asm__ __volatile__(                                   \
+                "1:     twi 31,0,0\n"                           \
+                ".section __bug_table,\"a\"\n"                  \
+                "\t"PPC_LONG"   1b,%0,%1,%2\n"                  \
+                ".previous"                                     \
+                : : "i" (__LINE__ + BUG_WARNING_TRAP),          \
+                    "i" (__FILE__), "i" (__FUNCTION__));        \
+} while (0)
+
+#define WARN_ON(x) do {                                         \
+        if (__builtin_constant_p(x)) {                          \
+                if (x)                                          \
+                        __WARN();                               \
+        } else {                                                \
+                __asm__ __volatile__(                           \
                 "1:     "PPC_TLNEI"     %0,0\n"                 \
                 ".section __bug_table,\"a\"\n"                  \
-                "\t"PPC_LONG"   1b,%1,%2,%3\n"          \
+                "\t"PPC_LONG"   1b,%1,%2,%3\n"                  \
                 ".previous"                                     \
                 : : "r" ((long)(x)),                            \
                     "i" (__LINE__ + BUG_WARNING_TRAP),          \
                     "i" (__FILE__), "i" (__FUNCTION__));        \
+        }                                                       \
 } while (0)
 
 #define HAVE_ARCH_BUG
diff --git a/include/asm-powerpc/cputable.h b/include/asm-powerpc/cputable.h
index fe45f6f3a4be..4321483cce51 100644
--- a/include/asm-powerpc/cputable.h
+++ b/include/asm-powerpc/cputable.h
@@ -188,153 +188,154 @@ extern void do_cpu_ftr_fixups(unsigned long offset);
                      !defined(CONFIG_POWER3) && !defined(CONFIG_POWER4) && \
                      !defined(CONFIG_BOOKE))
 
-enum {
-        CPU_FTRS_PPC601 = CPU_FTR_COMMON | CPU_FTR_601 | CPU_FTR_HPTE_TABLE,
-        CPU_FTRS_603 = CPU_FTR_COMMON | CPU_FTR_SPLIT_ID_CACHE |
-            CPU_FTR_MAYBE_CAN_DOZE | CPU_FTR_USE_TB |
-            CPU_FTR_MAYBE_CAN_NAP,
-        CPU_FTRS_604 = CPU_FTR_COMMON | CPU_FTR_SPLIT_ID_CACHE |
-            CPU_FTR_USE_TB | CPU_FTR_604_PERF_MON | CPU_FTR_HPTE_TABLE,
-        CPU_FTRS_740_NOTAU = CPU_FTR_COMMON | CPU_FTR_SPLIT_ID_CACHE |
-            CPU_FTR_MAYBE_CAN_DOZE | CPU_FTR_USE_TB | CPU_FTR_L2CR |
-            CPU_FTR_HPTE_TABLE | CPU_FTR_MAYBE_CAN_NAP,
-        CPU_FTRS_740 = CPU_FTR_COMMON | CPU_FTR_SPLIT_ID_CACHE |
-            CPU_FTR_MAYBE_CAN_DOZE | CPU_FTR_USE_TB | CPU_FTR_L2CR |
-            CPU_FTR_TAU | CPU_FTR_HPTE_TABLE | CPU_FTR_MAYBE_CAN_NAP,
-        CPU_FTRS_750 = CPU_FTR_COMMON | CPU_FTR_SPLIT_ID_CACHE |
-            CPU_FTR_MAYBE_CAN_DOZE | CPU_FTR_USE_TB | CPU_FTR_L2CR |
-            CPU_FTR_TAU | CPU_FTR_HPTE_TABLE | CPU_FTR_MAYBE_CAN_NAP,
-        CPU_FTRS_750FX1 = CPU_FTR_COMMON | CPU_FTR_SPLIT_ID_CACHE |
-            CPU_FTR_MAYBE_CAN_DOZE | CPU_FTR_USE_TB | CPU_FTR_L2CR |
-            CPU_FTR_TAU | CPU_FTR_HPTE_TABLE | CPU_FTR_MAYBE_CAN_NAP |
-            CPU_FTR_DUAL_PLL_750FX | CPU_FTR_NO_DPM,
-        CPU_FTRS_750FX2 = CPU_FTR_COMMON | CPU_FTR_SPLIT_ID_CACHE |
-            CPU_FTR_MAYBE_CAN_DOZE | CPU_FTR_USE_TB | CPU_FTR_L2CR |
-            CPU_FTR_TAU | CPU_FTR_HPTE_TABLE | CPU_FTR_MAYBE_CAN_NAP |
-            CPU_FTR_NO_DPM,
-        CPU_FTRS_750FX = CPU_FTR_COMMON | CPU_FTR_SPLIT_ID_CACHE |
-            CPU_FTR_MAYBE_CAN_DOZE | CPU_FTR_USE_TB | CPU_FTR_L2CR |
-            CPU_FTR_TAU | CPU_FTR_HPTE_TABLE | CPU_FTR_MAYBE_CAN_NAP |
-            CPU_FTR_DUAL_PLL_750FX | CPU_FTR_HAS_HIGH_BATS,
-        CPU_FTRS_750GX = CPU_FTR_SPLIT_ID_CACHE | CPU_FTR_MAYBE_CAN_DOZE |
-            CPU_FTR_USE_TB | CPU_FTR_L2CR | CPU_FTR_TAU |
-            CPU_FTR_HPTE_TABLE | CPU_FTR_MAYBE_CAN_NAP |
-            CPU_FTR_DUAL_PLL_750FX | CPU_FTR_HAS_HIGH_BATS,
-        CPU_FTRS_7400_NOTAU = CPU_FTR_COMMON | CPU_FTR_SPLIT_ID_CACHE |
-            CPU_FTR_MAYBE_CAN_DOZE | CPU_FTR_USE_TB | CPU_FTR_L2CR |
-            CPU_FTR_ALTIVEC_COMP | CPU_FTR_HPTE_TABLE |
-            CPU_FTR_MAYBE_CAN_NAP,
-        CPU_FTRS_7400 = CPU_FTR_COMMON | CPU_FTR_SPLIT_ID_CACHE |
-            CPU_FTR_MAYBE_CAN_DOZE | CPU_FTR_USE_TB | CPU_FTR_L2CR |
-            CPU_FTR_TAU | CPU_FTR_ALTIVEC_COMP | CPU_FTR_HPTE_TABLE |
-            CPU_FTR_MAYBE_CAN_NAP,
-        CPU_FTRS_7450_20 = CPU_FTR_COMMON | CPU_FTR_SPLIT_ID_CACHE |
-            CPU_FTR_USE_TB | CPU_FTR_L2CR | CPU_FTR_ALTIVEC_COMP |
-            CPU_FTR_L3CR | CPU_FTR_HPTE_TABLE | CPU_FTR_SPEC7450 |
-            CPU_FTR_NEED_COHERENT,
-        CPU_FTRS_7450_21 = CPU_FTR_COMMON | CPU_FTR_SPLIT_ID_CACHE |
-            CPU_FTR_USE_TB |
-            CPU_FTR_MAYBE_CAN_NAP | CPU_FTR_L2CR | CPU_FTR_ALTIVEC_COMP |
-            CPU_FTR_L3CR | CPU_FTR_HPTE_TABLE | CPU_FTR_SPEC7450 |
-            CPU_FTR_NAP_DISABLE_L2_PR | CPU_FTR_L3_DISABLE_NAP |
-            CPU_FTR_NEED_COHERENT,
-        CPU_FTRS_7450_23 = CPU_FTR_COMMON | CPU_FTR_SPLIT_ID_CACHE |
-            CPU_FTR_USE_TB |
-            CPU_FTR_MAYBE_CAN_NAP | CPU_FTR_L2CR | CPU_FTR_ALTIVEC_COMP |
-            CPU_FTR_L3CR | CPU_FTR_HPTE_TABLE | CPU_FTR_SPEC7450 |
-            CPU_FTR_NAP_DISABLE_L2_PR | CPU_FTR_NEED_COHERENT,
-        CPU_FTRS_7455_1 = CPU_FTR_COMMON | CPU_FTR_SPLIT_ID_CACHE |
-            CPU_FTR_USE_TB |
-            CPU_FTR_L2CR | CPU_FTR_ALTIVEC_COMP | CPU_FTR_L3CR |
-            CPU_FTR_HPTE_TABLE | CPU_FTR_SPEC7450 | CPU_FTR_HAS_HIGH_BATS |
-            CPU_FTR_NEED_COHERENT,
-        CPU_FTRS_7455_20 = CPU_FTR_COMMON | CPU_FTR_SPLIT_ID_CACHE |
-            CPU_FTR_USE_TB |
-            CPU_FTR_MAYBE_CAN_NAP | CPU_FTR_L2CR | CPU_FTR_ALTIVEC_COMP |
-            CPU_FTR_L3CR | CPU_FTR_HPTE_TABLE | CPU_FTR_SPEC7450 |
-            CPU_FTR_NAP_DISABLE_L2_PR | CPU_FTR_L3_DISABLE_NAP |
-            CPU_FTR_NEED_COHERENT | CPU_FTR_HAS_HIGH_BATS,
-        CPU_FTRS_7455 = CPU_FTR_COMMON | CPU_FTR_SPLIT_ID_CACHE |
-            CPU_FTR_USE_TB |
-            CPU_FTR_MAYBE_CAN_NAP | CPU_FTR_L2CR | CPU_FTR_ALTIVEC_COMP |
-            CPU_FTR_L3CR | CPU_FTR_HPTE_TABLE | CPU_FTR_SPEC7450 |
-            CPU_FTR_NAP_DISABLE_L2_PR | CPU_FTR_HAS_HIGH_BATS |
-            CPU_FTR_NEED_COHERENT,
-        CPU_FTRS_7447_10 = CPU_FTR_COMMON | CPU_FTR_SPLIT_ID_CACHE |
-            CPU_FTR_USE_TB |
-            CPU_FTR_MAYBE_CAN_NAP | CPU_FTR_L2CR | CPU_FTR_ALTIVEC_COMP |
-            CPU_FTR_L3CR | CPU_FTR_HPTE_TABLE | CPU_FTR_SPEC7450 |
-            CPU_FTR_NAP_DISABLE_L2_PR | CPU_FTR_HAS_HIGH_BATS |
-            CPU_FTR_NEED_COHERENT | CPU_FTR_NO_BTIC,
-        CPU_FTRS_7447 = CPU_FTR_COMMON | CPU_FTR_SPLIT_ID_CACHE |
-            CPU_FTR_USE_TB |
-            CPU_FTR_MAYBE_CAN_NAP | CPU_FTR_L2CR | CPU_FTR_ALTIVEC_COMP |
-            CPU_FTR_L3CR | CPU_FTR_HPTE_TABLE | CPU_FTR_SPEC7450 |
-            CPU_FTR_NAP_DISABLE_L2_PR | CPU_FTR_HAS_HIGH_BATS |
-            CPU_FTR_NEED_COHERENT,
-        CPU_FTRS_7447A = CPU_FTR_COMMON | CPU_FTR_SPLIT_ID_CACHE |
-            CPU_FTR_USE_TB |
-            CPU_FTR_MAYBE_CAN_NAP | CPU_FTR_L2CR | CPU_FTR_ALTIVEC_COMP |
-            CPU_FTR_HPTE_TABLE | CPU_FTR_SPEC7450 |
-            CPU_FTR_NAP_DISABLE_L2_PR | CPU_FTR_HAS_HIGH_BATS |
-            CPU_FTR_NEED_COHERENT,
-        CPU_FTRS_82XX = CPU_FTR_COMMON | CPU_FTR_SPLIT_ID_CACHE |
-            CPU_FTR_MAYBE_CAN_DOZE | CPU_FTR_USE_TB,
-        CPU_FTRS_G2_LE = CPU_FTR_SPLIT_ID_CACHE | CPU_FTR_MAYBE_CAN_DOZE |
-            CPU_FTR_USE_TB | CPU_FTR_MAYBE_CAN_NAP | CPU_FTR_HAS_HIGH_BATS,
-        CPU_FTRS_E300 = CPU_FTR_SPLIT_ID_CACHE | CPU_FTR_MAYBE_CAN_DOZE |
-            CPU_FTR_USE_TB | CPU_FTR_MAYBE_CAN_NAP | CPU_FTR_HAS_HIGH_BATS |
-            CPU_FTR_COMMON,
-        CPU_FTRS_CLASSIC32 = CPU_FTR_COMMON | CPU_FTR_SPLIT_ID_CACHE |
-            CPU_FTR_USE_TB | CPU_FTR_HPTE_TABLE,
-        CPU_FTRS_POWER3_32 = CPU_FTR_COMMON | CPU_FTR_SPLIT_ID_CACHE |
-            CPU_FTR_USE_TB | CPU_FTR_HPTE_TABLE,
-        CPU_FTRS_POWER4_32 = CPU_FTR_COMMON | CPU_FTR_SPLIT_ID_CACHE |
-            CPU_FTR_USE_TB | CPU_FTR_HPTE_TABLE | CPU_FTR_NODSISRALIGN,
-        CPU_FTRS_970_32 = CPU_FTR_COMMON | CPU_FTR_SPLIT_ID_CACHE |
-            CPU_FTR_USE_TB | CPU_FTR_HPTE_TABLE | CPU_FTR_ALTIVEC_COMP |
-            CPU_FTR_MAYBE_CAN_NAP | CPU_FTR_NODSISRALIGN,
-        CPU_FTRS_8XX = CPU_FTR_SPLIT_ID_CACHE | CPU_FTR_USE_TB,
-        CPU_FTRS_40X = CPU_FTR_SPLIT_ID_CACHE | CPU_FTR_USE_TB |
-            CPU_FTR_NODSISRALIGN,
-        CPU_FTRS_44X = CPU_FTR_SPLIT_ID_CACHE | CPU_FTR_USE_TB |
-            CPU_FTR_NODSISRALIGN,
-        CPU_FTRS_E200 = CPU_FTR_USE_TB | CPU_FTR_NODSISRALIGN,
-        CPU_FTRS_E500 = CPU_FTR_SPLIT_ID_CACHE | CPU_FTR_USE_TB |
-            CPU_FTR_NODSISRALIGN,
-        CPU_FTRS_E500_2 = CPU_FTR_SPLIT_ID_CACHE | CPU_FTR_USE_TB |
-            CPU_FTR_BIG_PHYS | CPU_FTR_NODSISRALIGN,
-        CPU_FTRS_GENERIC_32 = CPU_FTR_COMMON | CPU_FTR_NODSISRALIGN,
+#define CPU_FTRS_PPC601 (CPU_FTR_COMMON | CPU_FTR_601 | CPU_FTR_HPTE_TABLE)
+#define CPU_FTRS_603    (CPU_FTR_COMMON | CPU_FTR_SPLIT_ID_CACHE | \
+            CPU_FTR_MAYBE_CAN_DOZE | CPU_FTR_USE_TB | \
+            CPU_FTR_MAYBE_CAN_NAP)
+#define CPU_FTRS_604    (CPU_FTR_COMMON | CPU_FTR_SPLIT_ID_CACHE | \
+            CPU_FTR_USE_TB | CPU_FTR_604_PERF_MON | CPU_FTR_HPTE_TABLE)
+#define CPU_FTRS_740_NOTAU      (CPU_FTR_COMMON | CPU_FTR_SPLIT_ID_CACHE | \
+            CPU_FTR_MAYBE_CAN_DOZE | CPU_FTR_USE_TB | CPU_FTR_L2CR | \
+            CPU_FTR_HPTE_TABLE | CPU_FTR_MAYBE_CAN_NAP)
+#define CPU_FTRS_740    (CPU_FTR_COMMON | CPU_FTR_SPLIT_ID_CACHE | \
+            CPU_FTR_MAYBE_CAN_DOZE | CPU_FTR_USE_TB | CPU_FTR_L2CR | \
+            CPU_FTR_TAU | CPU_FTR_HPTE_TABLE | CPU_FTR_MAYBE_CAN_NAP)
+#define CPU_FTRS_750    (CPU_FTR_COMMON | CPU_FTR_SPLIT_ID_CACHE | \
+            CPU_FTR_MAYBE_CAN_DOZE | CPU_FTR_USE_TB | CPU_FTR_L2CR | \
+            CPU_FTR_TAU | CPU_FTR_HPTE_TABLE | CPU_FTR_MAYBE_CAN_NAP)
+#define CPU_FTRS_750FX1 (CPU_FTR_COMMON | CPU_FTR_SPLIT_ID_CACHE | \
+            CPU_FTR_MAYBE_CAN_DOZE | CPU_FTR_USE_TB | CPU_FTR_L2CR | \
+            CPU_FTR_TAU | CPU_FTR_HPTE_TABLE | CPU_FTR_MAYBE_CAN_NAP | \
+            CPU_FTR_DUAL_PLL_750FX | CPU_FTR_NO_DPM)
+#define CPU_FTRS_750FX2 (CPU_FTR_COMMON | CPU_FTR_SPLIT_ID_CACHE | \
+            CPU_FTR_MAYBE_CAN_DOZE | CPU_FTR_USE_TB | CPU_FTR_L2CR | \
+            CPU_FTR_TAU | CPU_FTR_HPTE_TABLE | CPU_FTR_MAYBE_CAN_NAP | \
+            CPU_FTR_NO_DPM)
+#define CPU_FTRS_750FX  (CPU_FTR_COMMON | CPU_FTR_SPLIT_ID_CACHE | \
+            CPU_FTR_MAYBE_CAN_DOZE | CPU_FTR_USE_TB | CPU_FTR_L2CR | \
+            CPU_FTR_TAU | CPU_FTR_HPTE_TABLE | CPU_FTR_MAYBE_CAN_NAP | \
+            CPU_FTR_DUAL_PLL_750FX | CPU_FTR_HAS_HIGH_BATS)
+#define CPU_FTRS_750GX  (CPU_FTR_SPLIT_ID_CACHE | CPU_FTR_MAYBE_CAN_DOZE | \
+            CPU_FTR_USE_TB | CPU_FTR_L2CR | CPU_FTR_TAU | \
+            CPU_FTR_HPTE_TABLE | CPU_FTR_MAYBE_CAN_NAP | \
+            CPU_FTR_DUAL_PLL_750FX | CPU_FTR_HAS_HIGH_BATS)
+#define CPU_FTRS_7400_NOTAU     (CPU_FTR_COMMON | CPU_FTR_SPLIT_ID_CACHE | \
+            CPU_FTR_MAYBE_CAN_DOZE | CPU_FTR_USE_TB | CPU_FTR_L2CR | \
+            CPU_FTR_ALTIVEC_COMP | CPU_FTR_HPTE_TABLE | \
+            CPU_FTR_MAYBE_CAN_NAP)
+#define CPU_FTRS_7400   (CPU_FTR_COMMON | CPU_FTR_SPLIT_ID_CACHE | \
+            CPU_FTR_MAYBE_CAN_DOZE | CPU_FTR_USE_TB | CPU_FTR_L2CR | \
+            CPU_FTR_TAU | CPU_FTR_ALTIVEC_COMP | CPU_FTR_HPTE_TABLE | \
+            CPU_FTR_MAYBE_CAN_NAP)
+#define CPU_FTRS_7450_20        (CPU_FTR_COMMON | CPU_FTR_SPLIT_ID_CACHE | \
+            CPU_FTR_USE_TB | CPU_FTR_L2CR | CPU_FTR_ALTIVEC_COMP | \
+            CPU_FTR_L3CR | CPU_FTR_HPTE_TABLE | CPU_FTR_SPEC7450 | \
+            CPU_FTR_NEED_COHERENT)
+#define CPU_FTRS_7450_21        (CPU_FTR_COMMON | CPU_FTR_SPLIT_ID_CACHE | \
+            CPU_FTR_USE_TB | \
+            CPU_FTR_MAYBE_CAN_NAP | CPU_FTR_L2CR | CPU_FTR_ALTIVEC_COMP | \
+            CPU_FTR_L3CR | CPU_FTR_HPTE_TABLE | CPU_FTR_SPEC7450 | \
+            CPU_FTR_NAP_DISABLE_L2_PR | CPU_FTR_L3_DISABLE_NAP | \
+            CPU_FTR_NEED_COHERENT)
+#define CPU_FTRS_7450_23        (CPU_FTR_COMMON | CPU_FTR_SPLIT_ID_CACHE | \
+            CPU_FTR_USE_TB | \
+            CPU_FTR_MAYBE_CAN_NAP | CPU_FTR_L2CR | CPU_FTR_ALTIVEC_COMP | \
+            CPU_FTR_L3CR | CPU_FTR_HPTE_TABLE | CPU_FTR_SPEC7450 | \
+            CPU_FTR_NAP_DISABLE_L2_PR | CPU_FTR_NEED_COHERENT)
+#define CPU_FTRS_7455_1 (CPU_FTR_COMMON | CPU_FTR_SPLIT_ID_CACHE | \
+            CPU_FTR_USE_TB | \
+            CPU_FTR_L2CR | CPU_FTR_ALTIVEC_COMP | CPU_FTR_L3CR | \
+            CPU_FTR_HPTE_TABLE | CPU_FTR_SPEC7450 | CPU_FTR_HAS_HIGH_BATS | \
+            CPU_FTR_NEED_COHERENT)
+#define CPU_FTRS_7455_20        (CPU_FTR_COMMON | CPU_FTR_SPLIT_ID_CACHE | \
+            CPU_FTR_USE_TB | \
+            CPU_FTR_MAYBE_CAN_NAP | CPU_FTR_L2CR | CPU_FTR_ALTIVEC_COMP | \
+            CPU_FTR_L3CR | CPU_FTR_HPTE_TABLE | CPU_FTR_SPEC7450 | \
+            CPU_FTR_NAP_DISABLE_L2_PR | CPU_FTR_L3_DISABLE_NAP | \
+            CPU_FTR_NEED_COHERENT | CPU_FTR_HAS_HIGH_BATS)
+#define CPU_FTRS_7455   (CPU_FTR_COMMON | CPU_FTR_SPLIT_ID_CACHE | \
+            CPU_FTR_USE_TB | \
+            CPU_FTR_MAYBE_CAN_NAP | CPU_FTR_L2CR | CPU_FTR_ALTIVEC_COMP | \
+            CPU_FTR_L3CR | CPU_FTR_HPTE_TABLE | CPU_FTR_SPEC7450 | \
+            CPU_FTR_NAP_DISABLE_L2_PR | CPU_FTR_HAS_HIGH_BATS | \
+            CPU_FTR_NEED_COHERENT)
+#define CPU_FTRS_7447_10        (CPU_FTR_COMMON | CPU_FTR_SPLIT_ID_CACHE | \
+            CPU_FTR_USE_TB | \
+            CPU_FTR_MAYBE_CAN_NAP | CPU_FTR_L2CR | CPU_FTR_ALTIVEC_COMP | \
+            CPU_FTR_L3CR | CPU_FTR_HPTE_TABLE | CPU_FTR_SPEC7450 | \
+            CPU_FTR_NAP_DISABLE_L2_PR | CPU_FTR_HAS_HIGH_BATS | \
+            CPU_FTR_NEED_COHERENT | CPU_FTR_NO_BTIC)
+#define CPU_FTRS_7447   (CPU_FTR_COMMON | CPU_FTR_SPLIT_ID_CACHE | \
+            CPU_FTR_USE_TB | \
+            CPU_FTR_MAYBE_CAN_NAP | CPU_FTR_L2CR | CPU_FTR_ALTIVEC_COMP | \
+            CPU_FTR_L3CR | CPU_FTR_HPTE_TABLE | CPU_FTR_SPEC7450 | \
+            CPU_FTR_NAP_DISABLE_L2_PR | CPU_FTR_HAS_HIGH_BATS | \
+            CPU_FTR_NEED_COHERENT)
+#define CPU_FTRS_7447A  (CPU_FTR_COMMON | CPU_FTR_SPLIT_ID_CACHE | \
+            CPU_FTR_USE_TB | \
+            CPU_FTR_MAYBE_CAN_NAP | CPU_FTR_L2CR | CPU_FTR_ALTIVEC_COMP | \
+            CPU_FTR_HPTE_TABLE | CPU_FTR_SPEC7450 | \
+            CPU_FTR_NAP_DISABLE_L2_PR | CPU_FTR_HAS_HIGH_BATS | \
+            CPU_FTR_NEED_COHERENT)
+#define CPU_FTRS_82XX   (CPU_FTR_COMMON | CPU_FTR_SPLIT_ID_CACHE | \
+            CPU_FTR_MAYBE_CAN_DOZE | CPU_FTR_USE_TB)
+#define CPU_FTRS_G2_LE  (CPU_FTR_SPLIT_ID_CACHE | CPU_FTR_MAYBE_CAN_DOZE | \
+            CPU_FTR_USE_TB | CPU_FTR_MAYBE_CAN_NAP | CPU_FTR_HAS_HIGH_BATS)
+#define CPU_FTRS_E300   (CPU_FTR_SPLIT_ID_CACHE | CPU_FTR_MAYBE_CAN_DOZE | \
+            CPU_FTR_USE_TB | CPU_FTR_MAYBE_CAN_NAP | CPU_FTR_HAS_HIGH_BATS | \
+            CPU_FTR_COMMON)
+#define CPU_FTRS_CLASSIC32      (CPU_FTR_COMMON | CPU_FTR_SPLIT_ID_CACHE | \
+            CPU_FTR_USE_TB | CPU_FTR_HPTE_TABLE)
+#define CPU_FTRS_POWER3_32      (CPU_FTR_COMMON | CPU_FTR_SPLIT_ID_CACHE | \
+            CPU_FTR_USE_TB | CPU_FTR_HPTE_TABLE)
+#define CPU_FTRS_POWER4_32      (CPU_FTR_COMMON | CPU_FTR_SPLIT_ID_CACHE | \
+            CPU_FTR_USE_TB | CPU_FTR_HPTE_TABLE | CPU_FTR_NODSISRALIGN)
+#define CPU_FTRS_970_32 (CPU_FTR_COMMON | CPU_FTR_SPLIT_ID_CACHE | \
+            CPU_FTR_USE_TB | CPU_FTR_HPTE_TABLE | CPU_FTR_ALTIVEC_COMP | \
+            CPU_FTR_MAYBE_CAN_NAP | CPU_FTR_NODSISRALIGN)
+#define CPU_FTRS_8XX    (CPU_FTR_SPLIT_ID_CACHE | CPU_FTR_USE_TB)
+#define CPU_FTRS_40X    (CPU_FTR_SPLIT_ID_CACHE | CPU_FTR_USE_TB | \
+            CPU_FTR_NODSISRALIGN)
+#define CPU_FTRS_44X    (CPU_FTR_SPLIT_ID_CACHE | CPU_FTR_USE_TB | \
+            CPU_FTR_NODSISRALIGN)
+#define CPU_FTRS_E200   (CPU_FTR_USE_TB | CPU_FTR_NODSISRALIGN)
+#define CPU_FTRS_E500   (CPU_FTR_SPLIT_ID_CACHE | CPU_FTR_USE_TB | \
+            CPU_FTR_NODSISRALIGN)
+#define CPU_FTRS_E500_2 (CPU_FTR_SPLIT_ID_CACHE | CPU_FTR_USE_TB | \
+            CPU_FTR_BIG_PHYS | CPU_FTR_NODSISRALIGN)
+#define CPU_FTRS_GENERIC_32     (CPU_FTR_COMMON | CPU_FTR_NODSISRALIGN)
 #ifdef __powerpc64__
-        CPU_FTRS_POWER3 = CPU_FTR_SPLIT_ID_CACHE | CPU_FTR_USE_TB |
-            CPU_FTR_HPTE_TABLE | CPU_FTR_IABR,
-        CPU_FTRS_RS64 = CPU_FTR_SPLIT_ID_CACHE | CPU_FTR_USE_TB |
-            CPU_FTR_HPTE_TABLE | CPU_FTR_IABR |
-            CPU_FTR_MMCRA | CPU_FTR_CTRL,
-        CPU_FTRS_POWER4 = CPU_FTR_SPLIT_ID_CACHE | CPU_FTR_USE_TB |
-            CPU_FTR_HPTE_TABLE | CPU_FTR_PPCAS_ARCH_V2 | CPU_FTR_MMCRA,
-        CPU_FTRS_PPC970 = CPU_FTR_SPLIT_ID_CACHE | CPU_FTR_USE_TB |
-            CPU_FTR_HPTE_TABLE | CPU_FTR_PPCAS_ARCH_V2 |
-            CPU_FTR_ALTIVEC_COMP | CPU_FTR_CAN_NAP | CPU_FTR_MMCRA,
-        CPU_FTRS_POWER5 = CPU_FTR_SPLIT_ID_CACHE | CPU_FTR_USE_TB |
-            CPU_FTR_HPTE_TABLE | CPU_FTR_PPCAS_ARCH_V2 |
-            CPU_FTR_MMCRA | CPU_FTR_SMT |
-            CPU_FTR_COHERENT_ICACHE | CPU_FTR_LOCKLESS_TLBIE |
-            CPU_FTR_MMCRA_SIHV | CPU_FTR_PURR,
-        CPU_FTRS_CELL = CPU_FTR_SPLIT_ID_CACHE | CPU_FTR_USE_TB |
-            CPU_FTR_HPTE_TABLE | CPU_FTR_PPCAS_ARCH_V2 |
-            CPU_FTR_ALTIVEC_COMP | CPU_FTR_MMCRA | CPU_FTR_SMT |
-            CPU_FTR_CTRL | CPU_FTR_PAUSE_ZERO,
-        CPU_FTRS_COMPATIBLE = CPU_FTR_SPLIT_ID_CACHE | CPU_FTR_USE_TB |
-            CPU_FTR_HPTE_TABLE | CPU_FTR_PPCAS_ARCH_V2,
+#define CPU_FTRS_POWER3 (CPU_FTR_SPLIT_ID_CACHE | CPU_FTR_USE_TB | \
+            CPU_FTR_HPTE_TABLE | CPU_FTR_IABR)
+#define CPU_FTRS_RS64   (CPU_FTR_SPLIT_ID_CACHE | CPU_FTR_USE_TB | \
+            CPU_FTR_HPTE_TABLE | CPU_FTR_IABR | \
+            CPU_FTR_MMCRA | CPU_FTR_CTRL)
+#define CPU_FTRS_POWER4 (CPU_FTR_SPLIT_ID_CACHE | CPU_FTR_USE_TB | \
+            CPU_FTR_HPTE_TABLE | CPU_FTR_PPCAS_ARCH_V2 | CPU_FTR_MMCRA)
+#define CPU_FTRS_PPC970 (CPU_FTR_SPLIT_ID_CACHE | CPU_FTR_USE_TB | \
+            CPU_FTR_HPTE_TABLE | CPU_FTR_PPCAS_ARCH_V2 | \
+            CPU_FTR_ALTIVEC_COMP | CPU_FTR_CAN_NAP | CPU_FTR_MMCRA)
+#define CPU_FTRS_POWER5 (CPU_FTR_SPLIT_ID_CACHE | CPU_FTR_USE_TB | \
+            CPU_FTR_HPTE_TABLE | CPU_FTR_PPCAS_ARCH_V2 | \
+            CPU_FTR_MMCRA | CPU_FTR_SMT | \
+            CPU_FTR_COHERENT_ICACHE | CPU_FTR_LOCKLESS_TLBIE | \
+            CPU_FTR_MMCRA_SIHV | CPU_FTR_PURR)
+#define CPU_FTRS_CELL   (CPU_FTR_SPLIT_ID_CACHE | CPU_FTR_USE_TB | \
+            CPU_FTR_HPTE_TABLE | CPU_FTR_PPCAS_ARCH_V2 | \
+            CPU_FTR_ALTIVEC_COMP | CPU_FTR_MMCRA | CPU_FTR_SMT | \
+            CPU_FTR_CTRL | CPU_FTR_PAUSE_ZERO)
+#define CPU_FTRS_COMPATIBLE     (CPU_FTR_SPLIT_ID_CACHE | CPU_FTR_USE_TB | \
+            CPU_FTR_HPTE_TABLE | CPU_FTR_PPCAS_ARCH_V2)
 #endif
 
-        CPU_FTRS_POSSIBLE =
 #ifdef __powerpc64__
-            CPU_FTRS_POWER3 | CPU_FTRS_RS64 | CPU_FTRS_POWER4 |
-            CPU_FTRS_PPC970 | CPU_FTRS_POWER5 | CPU_FTRS_CELL |
-            CPU_FTR_CI_LARGE_PAGE |
+#define CPU_FTRS_POSSIBLE       \
+            (CPU_FTRS_POWER3 | CPU_FTRS_RS64 | CPU_FTRS_POWER4 |        \
+            CPU_FTRS_PPC970 | CPU_FTRS_POWER5 | CPU_FTRS_CELL | \
+            CPU_FTR_CI_LARGE_PAGE)
 #else
+enum {
+        CPU_FTRS_POSSIBLE =
 #if CLASSIC_PPC
             CPU_FTRS_PPC601 | CPU_FTRS_603 | CPU_FTRS_604 | CPU_FTRS_740_NOTAU |
             CPU_FTRS_740 | CPU_FTRS_750 | CPU_FTRS_750FX1 |
@@ -368,14 +369,18 @@ enum {
 #ifdef CONFIG_E500
             CPU_FTRS_E500 | CPU_FTRS_E500_2 |
 #endif
-#endif /* __powerpc64__ */
             0,
+};
+#endif /* __powerpc64__ */
 
-        CPU_FTRS_ALWAYS =
 #ifdef __powerpc64__
-            CPU_FTRS_POWER3 & CPU_FTRS_RS64 & CPU_FTRS_POWER4 &
-            CPU_FTRS_PPC970 & CPU_FTRS_POWER5 & CPU_FTRS_CELL &
+#define CPU_FTRS_ALWAYS         \
+            (CPU_FTRS_POWER3 & CPU_FTRS_RS64 & CPU_FTRS_POWER4 &        \
+            CPU_FTRS_PPC970 & CPU_FTRS_POWER5 & CPU_FTRS_CELL & \
+            CPU_FTRS_POSSIBLE)
 #else
+enum {
+        CPU_FTRS_ALWAYS =
 #if CLASSIC_PPC
             CPU_FTRS_PPC601 & CPU_FTRS_603 & CPU_FTRS_604 & CPU_FTRS_740_NOTAU &
             CPU_FTRS_740 & CPU_FTRS_750 & CPU_FTRS_750FX1 &
@@ -409,9 +414,9 @@ enum {
 #ifdef CONFIG_E500
             CPU_FTRS_E500 & CPU_FTRS_E500_2 &
 #endif
-#endif /* __powerpc64__ */
             CPU_FTRS_POSSIBLE,
 };
+#endif /* __powerpc64__ */
 
 static inline int cpu_has_feature(unsigned long feature)
 {
diff --git a/include/asm-powerpc/firmware.h b/include/asm-powerpc/firmware.h
index ce3788224ed0..77069df92bf8 100644
--- a/include/asm-powerpc/firmware.h
+++ b/include/asm-powerpc/firmware.h
@@ -82,13 +82,11 @@ enum {
 /* This is used to identify firmware features which are available
  * to the kernel.
  */
-extern unsigned long    ppc64_firmware_features;
+extern unsigned long    powerpc_firmware_features;
 
-static inline unsigned long firmware_has_feature(unsigned long feature)
-{
-        return (FW_FEATURE_ALWAYS & feature) ||
-                (FW_FEATURE_POSSIBLE & ppc64_firmware_features & feature);
-}
+#define firmware_has_feature(feature)                                   \
+        ((FW_FEATURE_ALWAYS & (feature)) ||                             \
+                (FW_FEATURE_POSSIBLE & powerpc_firmware_features & (feature)))
 
 extern void system_reset_fwnmi(void);
 extern void machine_check_fwnmi(void);
diff --git a/include/asm-powerpc/floppy.h b/include/asm-powerpc/floppy.h
index e258778ca429..608164c39efb 100644
--- a/include/asm-powerpc/floppy.h
+++ b/include/asm-powerpc/floppy.h
@@ -35,6 +35,7 @@
 #ifdef CONFIG_PCI
 
 #include <linux/pci.h>
+#include <asm/ppc-pci.h>        /* for ppc64_isabridge_dev */
 
 #define fd_dma_setup(addr,size,mode,io) powerpc_fd_dma_setup(addr,size,mode,io)
 
@@ -52,12 +53,12 @@ static __inline__ int powerpc_fd_dma_setup(char *addr, unsigned long size,
         if (bus_addr 
             && (addr != prev_addr || size != prev_size || dir != prev_dir)) {
                 /* different from last time -- unmap prev */
-                pci_unmap_single(NULL, bus_addr, prev_size, prev_dir);
+                pci_unmap_single(ppc64_isabridge_dev, bus_addr, prev_size, prev_dir);
                 bus_addr = 0;
         }
 
         if (!bus_addr)  /* need to map it */
-                bus_addr = pci_map_single(NULL, addr, size, dir);
+                bus_addr = pci_map_single(ppc64_isabridge_dev, addr, size, dir);
 
         /* remember this one as prev */
         prev_addr = addr;
diff --git a/include/asm-powerpc/hvcall.h b/include/asm-powerpc/hvcall.h
index 38ca9ad6110d..b72c04f3f551 100644
--- a/include/asm-powerpc/hvcall.h
+++ b/include/asm-powerpc/hvcall.h
@@ -9,6 +9,7 @@
 #define H_Closed        2       /* Resource closed */
 #define H_Constrained   4       /* Resource request constrained to max allowed */
 #define H_InProgress   14       /* Kind of like busy */
+#define H_Pending      17       /* returned from H_POLL_PENDING */
 #define H_Continue     18       /* Returned from H_Join on success */
 #define H_LongBusyStartRange   9900  /* Start of long busy range */
 #define H_LongBusyOrder1msec   9900  /* Long busy, hint that 1msec is a good time to retry */
diff --git a/include/asm-powerpc/hvconsole.h b/include/asm-powerpc/hvconsole.h
index 34daf7b9b62f..35ea69e8121f 100644
--- a/include/asm-powerpc/hvconsole.h
+++ b/include/asm-powerpc/hvconsole.h
@@ -24,28 +24,18 @@
 #ifdef __KERNEL__
 
 /*
- * This is the max number of console adapters that can/will be found as
- * console devices on first stage console init.  Any number beyond this range
- * can't be used as a console device but is still a valid tty device.
+ * PSeries firmware will only send/recv up to 16 bytes of character data per
+ * hcall.
  */
-#define MAX_NR_HVC_CONSOLES     16
+#define MAX_VIO_PUT_CHARS       16
+#define SIZE_VIO_GET_CHARS      16
 
-/* implemented by a low level driver */
-struct hv_ops {
-        int (*get_chars)(uint32_t vtermno, char *buf, int count);
-        int (*put_chars)(uint32_t vtermno, const char *buf, int count);
-};
+/*
+ * Vio firmware always attempts to fetch MAX_VIO_GET_CHARS chars.  The 'count'
+ * parm is included to conform to put_chars() function pointer template
+ */
 extern int hvc_get_chars(uint32_t vtermno, char *buf, int count);
 extern int hvc_put_chars(uint32_t vtermno, const char *buf, int count);
 
-struct hvc_struct;
-
-/* Register a vterm and a slot index for use as a console (console_init) */
-extern int hvc_instantiate(uint32_t vtermno, int index, struct hv_ops *ops);
-/* register a vterm for hvc tty operation (module_init or hotplug add) */
-extern struct hvc_struct * __devinit hvc_alloc(uint32_t vtermno, int irq,
-                                                 struct hv_ops *ops);
-/* remove a vterm from hvc tty operation (modele_exit or hotplug remove) */
-extern int __devexit hvc_remove(struct hvc_struct *hp);
 #endif /* __KERNEL__ */
 #endif /* _PPC64_HVCONSOLE_H */
diff --git a/include/asm-powerpc/machdep.h b/include/asm-powerpc/machdep.h
index 5348b820788c..5ed847680754 100644
--- a/include/asm-powerpc/machdep.h
+++ b/include/asm-powerpc/machdep.h
@@ -47,6 +47,7 @@ struct smp_ops_t {
 #endif
 
 struct machdep_calls {
+        char            *name;
 #ifdef CONFIG_PPC64
         void            (*hpte_invalidate)(unsigned long slot,
                                            unsigned long va,
@@ -85,9 +86,9 @@ struct machdep_calls {
         void            (*iommu_dev_setup)(struct pci_dev *dev);
         void            (*iommu_bus_setup)(struct pci_bus *bus);
         void            (*irq_bus_setup)(struct pci_bus *bus);
-#endif
+#endif /* CONFIG_PPC64 */
 
-        int             (*probe)(int platform);
+        int             (*probe)(void);
         void            (*setup_arch)(void);
         void            (*init_early)(void);
         /* Optional, may be NULL. */
@@ -158,6 +159,12 @@ struct machdep_calls {
         /* Idle loop for this platform, leave empty for default idle loop */
         void            (*idle_loop)(void);
 
+        /*
+         * Function for waiting for work with reduced power in idle loop;
+         * called with interrupts disabled.
+         */
+        void            (*power_save)(void);
+
         /* Function to enable performance monitor counters for this
            platform, called once per cpu. */
         void            (*enable_pmcs)(void);
@@ -170,13 +177,6 @@ struct machdep_calls {
            May be NULL. */
         void            (*init)(void);
 
-        void            (*idle)(void);
-        void            (*power_save)(void);
-
-        void            (*heartbeat)(void);
-        unsigned long   heartbeat_reset;
-        unsigned long   heartbeat_count;
-
         void            (*setup_io_mappings)(void);
 
         void            (*early_serial_map)(void);
@@ -208,8 +208,6 @@ struct machdep_calls {
         /* Called at then very end of pcibios_init() */
         void (*pcibios_after_init)(void);
 
-        /* this is for modules, since _machine can be a define -- Cort */
-        int ppc_machine;
 #endif /* CONFIG_PPC32 */
 
         /* Called to shutdown machine specific hardware not already controlled
@@ -242,10 +240,29 @@ struct machdep_calls {
 #endif /* CONFIG_KEXEC */
 };
 
-extern void default_idle(void);
-extern void native_idle(void);
+extern void power4_idle(void);
+extern void ppc6xx_idle(void);
 
+/*
+ * ppc_md contains a copy of the machine description structure for the
+ * current platform. machine_id contains the initial address where the
+ * description was found during boot.
+ */
 extern struct machdep_calls ppc_md;
+extern struct machdep_calls *machine_id;
+
+#define __machine_desc __attribute__ ((__section__ (".machine.desc")))
+
+#define define_machine(name) struct machdep_calls mach_##name __machine_desc =
+#define machine_is(name) \
+        ({ \
+                extern struct machdep_calls mach_##name \
+                        __attribute__((weak));           \
+                machine_id == &mach_##name; \
+        })
+
+extern void probe_machine(void);
+
 extern char cmd_line[COMMAND_LINE_SIZE];
 
 #ifdef CONFIG_PPC_PMAC
diff --git a/include/asm-powerpc/oprofile_impl.h b/include/asm-powerpc/oprofile_impl.h
index 338e6a7cff4a..5b33994cd488 100644
--- a/include/asm-powerpc/oprofile_impl.h
+++ b/include/asm-powerpc/oprofile_impl.h
@@ -17,9 +17,6 @@
 
 /* Per-counter configuration as set via oprofilefs.  */
 struct op_counter_config {
-#ifdef __powerpc64__
-        unsigned long valid;
-#endif
         unsigned long enabled;
         unsigned long event;
         unsigned long count;
@@ -38,9 +35,6 @@ struct op_system_config {
 #endif
         unsigned long enable_kernel;
         unsigned long enable_user;
-#ifdef CONFIG_PPC64
-        unsigned long backtrace_spinlocks;
-#endif
 };
 
 /* Per-arch configuration */
@@ -56,17 +50,12 @@ struct op_powerpc_model {
         int num_counters;
 };
 
-#ifdef CONFIG_FSL_BOOKE
 extern struct op_powerpc_model op_model_fsl_booke;
-#else /* Otherwise, it's classic */
-
-#ifdef CONFIG_PPC64
 extern struct op_powerpc_model op_model_rs64;
 extern struct op_powerpc_model op_model_power4;
-
-#else /* Otherwise, CONFIG_PPC32 */
 extern struct op_powerpc_model op_model_7450;
-#endif
+
+#ifndef CONFIG_FSL_BOOKE
 
 /* All the classic PPC parts use these */
 static inline unsigned int ctr_read(unsigned int i)
@@ -134,5 +123,7 @@ static inline void ctr_write(unsigned int i, unsigned int val)
 }
 #endif /* !CONFIG_FSL_BOOKE */
 
+extern void op_powerpc_backtrace(struct pt_regs * const regs, unsigned int depth);
+
 #endif /* __KERNEL__ */
 #endif /* _ASM_POWERPC_OPROFILE_IMPL_H */
diff --git a/include/asm-powerpc/paca.h b/include/asm-powerpc/paca.h
index 4465b95ebef0..706325f99a84 100644
--- a/include/asm-powerpc/paca.h
+++ b/include/asm-powerpc/paca.h
@@ -105,5 +105,7 @@ struct paca_struct {
 
 extern struct paca_struct paca[];
 
+void setup_boot_paca(void);
+
 #endif /* __KERNEL__ */
 #endif /* _ASM_POWERPC_PACA_H */
diff --git a/include/asm-powerpc/percpu.h b/include/asm-powerpc/percpu.h
index 464301cd0d03..184a7a4d2fdf 100644
--- a/include/asm-powerpc/percpu.h
+++ b/include/asm-powerpc/percpu.h
@@ -27,7 +27,7 @@
 #define percpu_modcopy(pcpudst, src, size)                      \
 do {                                                            \
         unsigned int __i;                                       \
-        for_each_cpu(__i)                                       \
+        for_each_possible_cpu(__i)                              \
                 memcpy((pcpudst)+__per_cpu_offset(__i),         \
                        (src), (size));                          \
 } while (0)
diff --git a/include/asm-powerpc/pmac_feature.h b/include/asm-powerpc/pmac_feature.h
index 3221628130c4..d3599cc9aa74 100644
--- a/include/asm-powerpc/pmac_feature.h
+++ b/include/asm-powerpc/pmac_feature.h
@@ -305,7 +305,7 @@ extern void pmac_feature_init(void);
 extern void pmac_set_early_video_resume(void (*proc)(void *data), void *data);
 extern void pmac_call_early_video_resume(void);
 
-#define PMAC_FTR_DEF(x) ((_MACH_Pmac << 16) | (x))
+#define PMAC_FTR_DEF(x) ((0x6660000) | (x))
 
 /* The AGP driver registers itself here */
 extern void pmac_register_agp_pm(struct pci_dev *bridge,
diff --git a/include/asm-powerpc/processor.h b/include/asm-powerpc/processor.h
index 1c64a211cf19..93f83efeb310 100644
--- a/include/asm-powerpc/processor.h
+++ b/include/asm-powerpc/processor.h
@@ -22,22 +22,6 @@
  * -- BenH.
  */
 
-/* Platforms codes (to be obsoleted) */
-#define PLATFORM_PSERIES        0x0100
-#define PLATFORM_PSERIES_LPAR   0x0101
-#define PLATFORM_ISERIES_LPAR   0x0201
-#define PLATFORM_LPAR           0x0001
-#define PLATFORM_POWERMAC       0x0400
-#define PLATFORM_MAPLE          0x0500
-#define PLATFORM_PREP           0x0600
-#define PLATFORM_CHRP           0x0700
-#define PLATFORM_CELL           0x1000
-
-/* Compat platform codes for 32 bits */
-#define _MACH_prep      PLATFORM_PREP
-#define _MACH_Pmac      PLATFORM_POWERMAC
-#define _MACH_chrp      PLATFORM_CHRP
-
 /* PREP sub-platform types see residual.h for these */
 #define _PREP_Motorola  0x01    /* motorola prep */
 #define _PREP_Firm      0x02    /* firmworks prep */
@@ -49,18 +33,14 @@
 #define _CHRP_IBM       0x05    /* IBM chrp, the longtrail and longtrail 2 */
 #define _CHRP_Pegasos   0x06    /* Genesi/bplan's Pegasos and Pegasos2 */
 
-#ifdef __KERNEL__
-#define platform_is_pseries()   (_machine == PLATFORM_PSERIES || \
-                                 _machine == PLATFORM_PSERIES_LPAR)
+#if defined(__KERNEL__) && defined(CONFIG_PPC32)
 
-#if defined(CONFIG_PPC_MULTIPLATFORM)
-extern int _machine;
+extern int _chrp_type;
 
-#ifdef CONFIG_PPC32
+#ifdef CONFIG_PPC_PREP
 
 /* what kind of prep workstation we are */
 extern int _prep_type;
-extern int _chrp_type;
 
 /*
  * This is used to identify the board type from a given PReP board
@@ -70,17 +50,14 @@ extern int _chrp_type;
 extern unsigned char ucBoardRev;
 extern unsigned char ucBoardRevMaj, ucBoardRevMin;
 
-#endif /* CONFIG_PPC32 */
+#endif /* CONFIG_PPC_PREP */
 
-#elif defined(CONFIG_PPC_ISERIES)
-/*
- * iSeries is soon to become MULTIPLATFORM hopefully ...
- */
-#define _machine PLATFORM_ISERIES_LPAR
-#else
+#ifndef CONFIG_PPC_MULTIPLATFORM
 #define _machine 0
 #endif /* CONFIG_PPC_MULTIPLATFORM */
-#endif /* __KERNEL__ */
+
+#endif /* defined(__KERNEL__) && defined(CONFIG_PPC32) */
+
 /*
  * Default implementation of macro that returns current
  * instruction pointer ("program counter").
@@ -251,6 +228,10 @@ static inline unsigned long __pack_fe01(unsigned int fpmode)
 #define cpu_relax()     barrier()
 #endif
 
+/* Check that a certain kernel stack pointer is valid in task_struct p */
+int validate_sp(unsigned long sp, struct task_struct *p,
+                       unsigned long nbytes);
+
 /*
  * Prefetch macros.
  */
diff --git a/include/asm-powerpc/prom.h b/include/asm-powerpc/prom.h
index 782e13a070a1..97ef1cd71a4d 100644
--- a/include/asm-powerpc/prom.h
+++ b/include/asm-powerpc/prom.h
@@ -149,12 +149,14 @@ extern struct device_node *of_node_get(struct device_node *node);
 extern void of_node_put(struct device_node *node);
 
 /* For scanning the flat device-tree at boot time */
-int __init of_scan_flat_dt(int (*it)(unsigned long node,
-                                     const char *uname, int depth,
-                                     void *data),
-                           void *data);
-void* __init of_get_flat_dt_prop(unsigned long node, const char *name,
-                                 unsigned long *size);
+extern int __init of_scan_flat_dt(int (*it)(unsigned long node,
+                                            const char *uname, int depth,
+                                            void *data),
+                                  void *data);
+extern void* __init of_get_flat_dt_prop(unsigned long node, const char *name,
+                                        unsigned long *size);
+extern int __init of_flat_dt_is_compatible(unsigned long node, const char *name);
+extern unsigned long __init of_get_flat_dt_root(void);
 
 /* For updating the device tree at runtime */
 extern void of_attach_node(struct device_node *);
diff --git a/include/asm-powerpc/reg.h b/include/asm-powerpc/reg.h
index 72bfe3af0460..bd467bf5cf5a 100644
--- a/include/asm-powerpc/reg.h
+++ b/include/asm-powerpc/reg.h
@@ -622,6 +622,10 @@ extern void ppc64_runlatch_off(void);
 extern unsigned long scom970_read(unsigned int address);
 extern void scom970_write(unsigned int address, unsigned long value);
 
+#else
+#define ppc64_runlatch_on()
+#define ppc64_runlatch_off()
+
 #endif /* CONFIG_PPC64 */
 
 #define __get_SP()      ({unsigned long sp; \
diff --git a/include/asm-powerpc/smp.h b/include/asm-powerpc/smp.h
index 98581e5a8279..4a716f707cf6 100644
--- a/include/asm-powerpc/smp.h
+++ b/include/asm-powerpc/smp.h
@@ -29,7 +29,6 @@
 #endif
 
 extern int boot_cpuid;
-extern int boot_cpuid_phys;
 
 extern void cpu_die(void);
 
@@ -99,6 +98,7 @@ extern void smp_release_cpus(void);
 #else
 /* 32-bit */
 #ifndef CONFIG_SMP
+extern int boot_cpuid_phys;
 #define get_hard_smp_processor_id(cpu)  boot_cpuid_phys
 #define set_hard_smp_processor_id(cpu, phys)
 #endif
diff --git a/include/asm-powerpc/spu.h b/include/asm-powerpc/spu.h
index 38bacf2f6e0c..f431d8b0b651 100644
--- a/include/asm-powerpc/spu.h
+++ b/include/asm-powerpc/spu.h
@@ -110,6 +110,7 @@ struct spu {
         char *name;
         unsigned long local_store_phys;
         u8 *local_store;
+        unsigned long problem_phys;
         struct spu_problem __iomem *problem;
         struct spu_priv1 __iomem *priv1;
         struct spu_priv2 __iomem *priv2;
@@ -137,6 +138,7 @@ struct spu {
         void (* wbox_callback)(struct spu *spu);
         void (* ibox_callback)(struct spu *spu);
         void (* stop_callback)(struct spu *spu);
+        void (* mfc_callback)(struct spu *spu);
 
         char irq_c0[8];
         char irq_c1[8];
@@ -149,6 +151,14 @@ int spu_irq_class_0_bottom(struct spu *spu);
 int spu_irq_class_1_bottom(struct spu *spu);
 void spu_irq_setaffinity(struct spu *spu, int cpu);
 
+/* system callbacks from the SPU */
+struct spu_syscall_block {
+        u64 nr_ret;
+        u64 parm[6];
+};
+extern long spu_sys_callback(struct spu_syscall_block *s);
+
+/* syscalls implemented in spufs */
 extern struct spufs_calls {
         asmlinkage long (*create_thread)(const char __user *name,
                                         unsigned int flags, mode_t mode);
@@ -399,7 +409,6 @@ struct spu_priv1 {
 #define SPU_GET_REVISION_BITS(vr)       (vr & SPU_REVISION_BITS)
         u8  pad_0x28_0x100[0x100 - 0x28];                       /* 0x28 */
 
-
         /* Interrupt Area */
         u64 int_mask_RW[3];                                     /* 0x100 */
 #define CLASS0_ENABLE_DMA_ALIGNMENT_INTR                0x1L
diff --git a/include/asm-powerpc/syscalls.h b/include/asm-powerpc/syscalls.h
new file mode 100644
index 000000000000..c2fe79d4f90f
--- /dev/null
+++ b/include/asm-powerpc/syscalls.h
@@ -0,0 +1,58 @@
+#ifndef __ASM_POWERPC_SYSCALLS_H
+#define __ASM_POWERPC_SYSCALLS_H
+#ifdef __KERNEL__
+
+#include <linux/compiler.h>
+#include <linux/linkage.h>
+#include <linux/types.h>
+#include <asm/signal.h>
+
+struct new_utsname;
+struct pt_regs;
+struct rtas_args;
+struct sigaction;
+
+asmlinkage unsigned long sys_mmap(unsigned long addr, size_t len,
+                unsigned long prot, unsigned long flags,
+                unsigned long fd, off_t offset);
+asmlinkage unsigned long sys_mmap2(unsigned long addr, size_t len,
+                unsigned long prot, unsigned long flags,
+                unsigned long fd, unsigned long pgoff);
+asmlinkage int sys_execve(unsigned long a0, unsigned long a1,
+                unsigned long a2, unsigned long a3, unsigned long a4,
+                unsigned long a5, struct pt_regs *regs);
+asmlinkage int sys_clone(unsigned long clone_flags, unsigned long usp,
+                int __user *parent_tidp, void __user *child_threadptr,
+                int __user *child_tidp, int p6, struct pt_regs *regs);
+asmlinkage int sys_fork(unsigned long p1, unsigned long p2,
+                unsigned long p3, unsigned long p4, unsigned long p5,
+                unsigned long p6, struct pt_regs *regs);
+asmlinkage int sys_vfork(unsigned long p1, unsigned long p2,
+                unsigned long p3, unsigned long p4, unsigned long p5,
+                unsigned long p6, struct pt_regs *regs);
+asmlinkage int sys_pipe(int __user *fildes);
+asmlinkage long sys_rt_sigaction(int sig,
+                const struct sigaction __user *act,
+                struct sigaction __user *oact, size_t sigsetsize);
+asmlinkage int sys_ipc(uint call, int first, unsigned long second,
+                long third, void __user *ptr, long fifth);
+asmlinkage long ppc64_personality(unsigned long personality);
+asmlinkage int ppc_rtas(struct rtas_args __user *uargs);
+asmlinkage time_t sys64_time(time_t __user * tloc);
+asmlinkage long ppc_newuname(struct new_utsname __user * name);
+
+asmlinkage long sys_rt_sigsuspend(sigset_t __user *unewset,
+                size_t sigsetsize);
+
+#ifndef __powerpc64__
+asmlinkage long sys_sigaltstack(const stack_t __user *uss,
+                stack_t __user *uoss, int r5, int r6, int r7, int r8,
+                struct pt_regs *regs);
+#else /* __powerpc64__ */
+asmlinkage long sys_sigaltstack(const stack_t __user *uss,
+                stack_t __user *uoss, unsigned long r5, unsigned long r6,
+                unsigned long r7, unsigned long r8, struct pt_regs *regs);
+#endif /* __powerpc64__ */
+
+#endif /* __KERNEL__ */
+#endif /* __ASM_POWERPC_SYSCALLS_H */
diff --git a/include/asm-powerpc/unistd.h b/include/asm-powerpc/unistd.h
index 35556993f066..1e990747dce7 100644
--- a/include/asm-powerpc/unistd.h
+++ b/include/asm-powerpc/unistd.h
@@ -425,6 +425,7 @@ type name(type1 arg1, type2 arg2, type3 arg3, type4 arg4, type5 arg5, type6 arg6
 #include <linux/types.h>
 #include <linux/compiler.h>
 #include <linux/linkage.h>
+#include <asm/syscalls.h>
 
 #define __ARCH_WANT_IPC_PARSE_VERSION
 #define __ARCH_WANT_OLD_READDIR
@@ -460,44 +461,10 @@ type name(type1 arg1, type2 arg2, type3 arg3, type4 arg4, type5 arg5, type6 arg6
  * System call prototypes.
  */
 #ifdef __KERNEL_SYSCALLS__
-extern pid_t setsid(void);
-extern int write(int fd, const char *buf, off_t count);
-extern int read(int fd, char *buf, off_t count);
-extern off_t lseek(int fd, off_t offset, int count);
-extern int dup(int fd);
 extern int execve(const char *file, char **argv, char **envp);
-extern int open(const char *file, int flag, int mode);
-extern int close(int fd);
-extern pid_t waitpid(pid_t pid, int *wait_stat, int options);
 #endif /* __KERNEL_SYSCALLS__ */
 
 /*
- * Functions that implement syscalls.
- */
-unsigned long sys_mmap(unsigned long addr, size_t len, unsigned long prot,
-                       unsigned long flags, unsigned long fd, off_t offset);
-unsigned long sys_mmap2(unsigned long addr, size_t len,
-                        unsigned long prot, unsigned long flags,
-                        unsigned long fd, unsigned long pgoff);
-struct pt_regs;
-int sys_execve(unsigned long a0, unsigned long a1, unsigned long a2,
-                unsigned long a3, unsigned long a4, unsigned long a5,
-                struct pt_regs *regs);
-int sys_clone(unsigned long clone_flags, unsigned long usp,
-                int __user *parent_tidp, void __user *child_threadptr,
-                int __user *child_tidp, int p6, struct pt_regs *regs);
-int sys_fork(unsigned long p1, unsigned long p2, unsigned long p3,
-                unsigned long p4, unsigned long p5, unsigned long p6,
-                struct pt_regs *regs);
-int sys_vfork(unsigned long p1, unsigned long p2, unsigned long p3,
-                unsigned long p4, unsigned long p5, unsigned long p6,
-                struct pt_regs *regs);
-int sys_pipe(int __user *fildes);
-struct sigaction;
-long sys_rt_sigaction(int sig, const struct sigaction __user *act,
-                      struct sigaction __user *oact, size_t sigsetsize);
-
-/*
  * "Conditional" syscalls
  *
  * What we want is __attribute__((weak,alias("sys_ni_syscall"))),
diff --git a/include/asm-powerpc/vdso_datapage.h b/include/asm-powerpc/vdso_datapage.h
index 7aa92086c3fb..8a94f0eba5e9 100644
--- a/include/asm-powerpc/vdso_datapage.h
+++ b/include/asm-powerpc/vdso_datapage.h
@@ -55,6 +55,9 @@ struct vdso_data {
                 __u32 minor;            /* Minor number                 0x14 */
         } version;
 
+        /* Note about the platform flags: it now only contains the lpar
+         * bit. The actual platform number is dead and burried
+         */
         __u32 platform;                 /* Platform flags               0x18 */
         __u32 processor;                /* Processor type               0x1C */
         __u64 processorCount;           /* # of physical processors     0x20 */
diff --git a/include/asm-ppc/machdep.h b/include/asm-ppc/machdep.h
index a3e8a45e45a9..e1a0a7b213d7 100644
--- a/include/asm-ppc/machdep.h
+++ b/include/asm-ppc/machdep.h
@@ -19,6 +19,18 @@ struct pci_dev;
 struct seq_file;
 struct file;
 
+/*
+ * This is for compatibility with ARCH=powerpc.
+ */
+#define machine_is(x)   __MACHINE_IS_##x
+#define __MACHINE_IS_powermac   0
+#define __MACHINE_IS_chrp       0
+#ifdef CONFIG_PPC_PREP
+#define __MACHINE_IS_prep       1
+#else
+#define __MACHINE_IS_prep       0
+#endif
+
 /* We export this macro for external modules like Alsa to know if
  * ppc_md.feature_call is implemented or not
  */
@@ -44,7 +56,7 @@ struct machdep_calls {
         void            (*power_off)(void);
         void            (*halt)(void);
 
-        void            (*idle)(void);
+        void            (*idle_loop)(void);
         void            (*power_save)(void);
 
         long            (*time_init)(void); /* Optional, may be NULL */
@@ -104,9 +116,6 @@ struct machdep_calls {
                                                 unsigned long size,
                                                 pgprot_t vma_prot);
 
-        /* this is for modules, since _machine can be a define -- Cort */
-        int ppc_machine;
-
         /* Motherboard/chipset features. This is a kind of general purpose
          * hook used to control some machine specific features (like reset
          * lines, chip power control, etc...).
diff --git a/include/asm-ppc/mpc52xx.h b/include/asm-ppc/mpc52xx.h
index 6167f74635f7..7e9842805a28 100644
--- a/include/asm-ppc/mpc52xx.h
+++ b/include/asm-ppc/mpc52xx.h
@@ -355,6 +355,7 @@ struct mpc52xx_xlb {
         u32     snoop_window;           /* XLB + 0x70 */
 };
 
+#define MPC52xx_XLB_CFG_PLDIS           (1 << 31)
 #define MPC52xx_XLB_CFG_SNOOP           (1 << 15)
 
 /* Clock Distribution control */
@@ -427,6 +428,9 @@ extern void mpc52xx_calibrate_decr(void);
 
 extern void mpc52xx_find_bridges(void);
 
+extern void mpc52xx_setup_cpu(void);
+
+
 
         /* Matching of PSC function */
 struct mpc52xx_psc_func {
diff --git a/include/asm-ppc/pgtable.h b/include/asm-ppc/pgtable.h
index e1c62da12e74..570b355162fa 100644
--- a/include/asm-ppc/pgtable.h
+++ b/include/asm-ppc/pgtable.h
@@ -837,7 +837,8 @@ static inline int io_remap_pfn_range(struct vm_area_struct *vma,
  */
 #define pgtable_cache_init()    do { } while (0)
 
-extern int get_pteptr(struct mm_struct *mm, unsigned long addr, pte_t **ptep);
+extern int get_pteptr(struct mm_struct *mm, unsigned long addr, pte_t **ptep,
+                      pmd_t **pmdp);
 
 #include <asm-generic/pgtable.h>
 
diff --git a/include/asm-ppc/prom.h b/include/asm-ppc/prom.h
index 6d431d6fb022..adc5ae784924 100644
--- a/include/asm-ppc/prom.h
+++ b/include/asm-ppc/prom.h
@@ -8,126 +8,19 @@
 #ifndef _PPC_PROM_H
 #define _PPC_PROM_H
 
-#include <linux/config.h>
-#include <linux/types.h>
-
-typedef u32 phandle;
-typedef u32 ihandle;
-
-struct address_range {
-        unsigned int space;
-        unsigned int address;
-        unsigned int size;
-};
-
-struct interrupt_info {
-        int     line;
-        int     sense;          /* +ve/-ve logic, edge or level, etc. */
-};
-
+/* This is used in arch/ppc/mm/mem_pieces.h */
 struct reg_property {
         unsigned int address;
         unsigned int size;
 };
 
-struct property {
-        char    *name;
-        int     length;
-        unsigned char *value;
-        struct property *next;
-};
-
-/*
- * Note: don't change this structure for now or you'll break BootX !
- */
-struct device_node {
-        char    *name;
-        char    *type;
-        phandle node;
-        int     n_addrs;
-        struct  address_range *addrs;
-        int     n_intrs;
-        struct  interrupt_info *intrs;
-        char    *full_name;
-        struct  property *properties;
-        struct  device_node *parent;
-        struct  device_node *child;
-        struct  device_node *sibling;
-        struct  device_node *next;      /* next device of same type */
-        struct  device_node *allnext;   /* next in list of all nodes */
-};
-
-struct prom_args;
-typedef void (*prom_entry)(struct prom_args *);
-
-/* OBSOLETE: Old style node lookup */
-extern struct device_node *find_devices(const char *name);
-extern struct device_node *find_type_devices(const char *type);
-extern struct device_node *find_path_device(const char *path);
-extern struct device_node *find_compatible_devices(const char *type,
-                                                   const char *compat);
-extern struct device_node *find_all_nodes(void);
-
-/* New style node lookup */
-extern struct device_node *of_find_node_by_name(struct device_node *from,
-        const char *name);
-extern struct device_node *of_find_node_by_type(struct device_node *from,
-        const char *type);
-extern struct device_node *of_find_compatible_node(struct device_node *from,
-        const char *type, const char *compat);
-extern struct device_node *of_find_node_by_path(const char *path);
-extern struct device_node *of_find_all_nodes(struct device_node *prev);
-extern struct device_node *of_get_parent(const struct device_node *node);
-extern struct device_node *of_get_next_child(const struct device_node *node,
-                                             struct device_node *prev);
-extern struct device_node *of_node_get(struct device_node *node);
-extern void of_node_put(struct device_node *node);
-
-/* Other Prototypes */
-extern void abort(void);
-extern unsigned long prom_init(int, int, prom_entry);
-extern void prom_print(const char *msg);
-extern void relocate_nodes(void);
-extern void finish_device_tree(void);
-extern int device_is_compatible(struct device_node *device, const char *);
-extern int machine_is_compatible(const char *compat);
-extern unsigned char *get_property(struct device_node *node, const char *name,
-                                   int *lenp);
-extern int prom_add_property(struct device_node* np, struct property* prop);
-extern void prom_get_irq_senses(unsigned char *, int, int);
-extern int prom_n_addr_cells(struct device_node* np);
-extern int prom_n_size_cells(struct device_node* np);
-
-extern struct resource*
-request_OF_resource(struct device_node* node, int index, const char* name_postfix);
-extern int release_OF_resource(struct device_node* node, int index);
-
-extern void print_properties(struct device_node *node);
-extern int call_rtas(const char *service, int nargs, int nret,
-                     unsigned long *outputs, ...);
-
 /*
- * PCI <-> OF matching functions
- */
-struct pci_bus;
-struct pci_dev;
-extern int pci_device_from_OF_node(struct device_node *node,
-                                   u8* bus, u8* devfn);
-extern struct device_node* pci_busdev_to_OF_node(struct pci_bus *, int);
-extern struct device_node* pci_device_to_OF_node(struct pci_dev *);
-extern void pci_create_OF_bus_map(void);
-
-/*
- * When we call back to the Open Firmware client interface, we usually
- * have to do that before the kernel is relocated to its final location
- * (this is because we can't use OF after we have overwritten the
- * exception vectors with our exception handlers).  These macros assist
- * in performing the address calculations that we need to do to access
- * data when the kernel is running at an address that is different from
- * the address that the kernel is linked at.  The reloc_offset() function
- * returns the difference between these two addresses and the macros
- * simplify the process of adding or subtracting this offset to/from
- * pointer values.  See arch/ppc/kernel/prom.c for how these are used.
+ * These macros assist in performing the address calculations that we
+ * need to do to access data when the kernel is running at an address
+ * that is different from the address that the kernel is linked at.
+ * The reloc_offset() function returns the difference between these
+ * two addresses and the macros simplify the process of adding or
+ * subtracting this offset to/from pointer values.
  */
 extern unsigned long reloc_offset(void);
 extern unsigned long add_reloc_offset(unsigned long);
@@ -136,45 +29,12 @@ extern unsigned long sub_reloc_offset(unsigned long);
 #define PTRRELOC(x)     ((typeof(x))add_reloc_offset((unsigned long)(x)))
 #define PTRUNRELOC(x)   ((typeof(x))sub_reloc_offset((unsigned long)(x)))
 
-
-/*
- * OF address retreival & translation
- */
-
-
-/* Translate an OF address block into a CPU physical address
- */
-#define OF_BAD_ADDR     ((u64)-1)
-extern u64 of_translate_address(struct device_node *np, u32 *addr);
-
-/* Extract an address from a device, returns the region size and
- * the address space flags too. The PCI version uses a BAR number
- * instead of an absolute index
- */
-extern u32 *of_get_address(struct device_node *dev, int index,
-                           u64 *size, unsigned int *flags);
-extern u32 *of_get_pci_address(struct device_node *dev, int bar_no,
-                               u64 *size, unsigned int *flags);
-
-/* Get an address as a resource. Note that if your address is
- * a PIO address, the conversion will fail if the physical address
- * can't be internally converted to an IO token with
- * pci_address_to_pio(), that is because it's either called to early
- * or it can't be matched to any host bridge IO space
- */
-extern int of_address_to_resource(struct device_node *dev, int index,
-                                  struct resource *r);
-extern int of_pci_address_to_resource(struct device_node *dev, int bar,
-                                      struct resource *r);
-
-#ifndef CONFIG_PPC_OF
 /*
- * Fallback definitions for builds where we don't have prom.c included.
+ * Fallback definitions since we don't support OF in arch/ppc any more.
  */
 #define machine_is_compatible(x)                0
 #define of_find_compatible_node(f, t, c)        NULL
 #define get_property(p, n, l)                   NULL
-#endif
 
 #endif /* _PPC_PROM_H */
 #endif /* __KERNEL__ */
diff --git a/include/asm-ppc/serial.h b/include/asm-ppc/serial.h
index 485a924e4d06..b74af5461564 100644
--- a/include/asm-ppc/serial.h
+++ b/include/asm-ppc/serial.h
@@ -41,15 +41,10 @@
 #else
 
 /*
- * XXX Assume for now it has PC-style ISA serial ports.
- * This is true for PReP and CHRP at least.
+ * XXX Assume it has PC-style ISA serial ports - true for PReP at least.
  */
 #include <asm/pc_serial.h>
 
-#if defined(CONFIG_MAC_SERIAL)
-#define SERIAL_DEV_OFFSET       ((_machine == _MACH_prep || _machine == _MACH_chrp) ? 0 : 2)
-#endif
-
 #endif /* !CONFIG_GEMINI and others */
 #endif /* __ASM_SERIAL_H__ */
 #endif /* __KERNEL__ */
diff --git a/include/linux/pci_ids.h b/include/linux/pci_ids.h
index e2ab2ac18d6b..870fe38378b1 100644
--- a/include/linux/pci_ids.h
+++ b/include/linux/pci_ids.h
@@ -773,6 +773,7 @@
 #define PCI_DEVICE_ID_MOTOROLA_HAWK     0x4803
 #define PCI_DEVICE_ID_MOTOROLA_HARRIER  0x480b
 #define PCI_DEVICE_ID_MOTOROLA_MPC5200  0x5803
+#define PCI_DEVICE_ID_MOTOROLA_MPC5200B 0x5809
 
 #define PCI_VENDOR_ID_PROMISE           0x105a
 #define PCI_DEVICE_ID_PROMISE_20265     0x0d30
diff --git a/sound/oss/dmasound/dmasound_awacs.c b/sound/oss/dmasound/dmasound_awacs.c
index 3bbc8105e9f1..c8e210326893 100644
--- a/sound/oss/dmasound/dmasound_awacs.c
+++ b/sound/oss/dmasound/dmasound_awacs.c
@@ -2814,7 +2814,7 @@ int __init dmasound_awacs_init(void)
         struct device_node *io = NULL, *info = NULL;
         int vol, res;
 
-        if (_machine != _MACH_Pmac)
+        if (!machine_is(powermac))
                 return -ENODEV;
 
         awacs_subframe = 0;
diff --git a/sound/ppc/pmac.c b/sound/ppc/pmac.c
index aa57170101fd..f0794ef9d1ac 100644
--- a/sound/ppc/pmac.c
+++ b/sound/ppc/pmac.c
@@ -869,7 +869,7 @@ static int __init snd_pmac_detect(struct snd_pmac *chip)
 
         u32 layout_id = 0;
 
-        if (_machine != _MACH_Pmac)
+        if (!machine_is(powermac))
                 return -ENODEV;
 
         chip->subframe = 0;