4 files changed, 162 insertions, 126 deletions

diff --git a/arch/powerpc/boot/dts/ebony.dts b/arch/powerpc/boot/dts/ebony.dts
index c5f99613fc7b..27a1463b6ab0 100644
--- a/arch/powerpc/boot/dts/ebony.dts
+++ b/arch/powerpc/boot/dts/ebony.dts
@@ -175,6 +175,7 @@
                                 fpga@7,0 {
                                         compatible = "Ebony-FPGA";
                                         reg = <7 0 10>;
+                                        virtual-reg = <e8300000>;
                                 };
                         };
 
diff --git a/arch/powerpc/boot/ebony.c b/arch/powerpc/boot/ebony.c
index 75daedafd0a4..eaf0b9bb68d6 100644
--- a/arch/powerpc/boot/ebony.c
+++ b/arch/powerpc/boot/ebony.c
@@ -24,6 +24,7 @@
 #include "page.h"
 #include "ops.h"
 #include "reg.h"
+#include "io.h"
 #include "dcr.h"
 #include "44x.h"
 
@@ -92,6 +93,43 @@ void ibm440gp_fixup_clocks(unsigned int sysclk, unsigned int ser_clk)
         dt_fixup_clock("/plb/opb/serial@40000300", uart1);
 }
 
+#define EBONY_FPGA_PATH         "/plb/opb/ebc/fpga"
+#define EBONY_FPGA_FLASH_SEL    0x01
+#define EBONY_SMALL_FLASH_PATH  "/plb/opb/ebc/small-flash"
+
+static void ebony_flashsel_fixup(void)
+{
+        void *devp;
+        u32 reg[3] = {0x0, 0x0, 0x80000};
+        u8 *fpga;
+        u8 fpga_reg0 = 0x0;
+
+        devp = finddevice(EBONY_FPGA_PATH);
+        if (!devp)
+                fatal("Couldn't locate FPGA node %s\n\r", EBONY_FPGA_PATH);
+
+        if (getprop(devp, "virtual-reg", &fpga, sizeof(fpga)) != sizeof(fpga))
+                fatal("%s has missing or invalid virtual-reg property\n\r",
+                      EBONY_FPGA_PATH);
+
+        fpga_reg0 = in_8(fpga);
+
+        devp = finddevice(EBONY_SMALL_FLASH_PATH);
+        if (!devp)
+                fatal("Couldn't locate small flash node %s\n\r",
+                      EBONY_SMALL_FLASH_PATH);
+
+        if (getprop(devp, "reg", reg, sizeof(reg)) != sizeof(reg))
+                fatal("%s has reg property of unexpected size\n\r",
+                      EBONY_SMALL_FLASH_PATH);
+
+        /* Invert address bit 14 (IBM-endian) if FLASH_SEL fpga bit is set */
+        if (fpga_reg0 & EBONY_FPGA_FLASH_SEL)
+                reg[1] ^= 0x80000;
+
+        setprop(devp, "reg", reg, sizeof(reg));
+}
+
 static void ebony_fixups(void)
 {
         // FIXME: sysclk should be derived by reading the FPGA registers
@@ -101,6 +139,7 @@ static void ebony_fixups(void)
         ibm44x_fixup_memsize();
         dt_fixup_mac_addresses(ebony_mac0, ebony_mac1);
         ibm4xx_fixup_ebc_ranges("/plb/opb/ebc");
+        ebony_flashsel_fixup();
 }
 
 void ebony_init(void *mac0, void *mac1)
diff --git a/arch/powerpc/configs/ebony_defconfig b/arch/powerpc/configs/ebony_defconfig
index 5762cddfc148..d8dc7e63aab5 100644
--- a/arch/powerpc/configs/ebony_defconfig
+++ b/arch/powerpc/configs/ebony_defconfig
@@ -1,9 +1,25 @@
 #
 # Automatically generated make config: don't edit
-# Linux kernel version: 2.6.22-rc6
-# Tue Jun 26 12:38:33 2007
+# Linux kernel version: 2.6.23-rc1-powerpc-ebony-mtd
+# Mon Jul 30 15:47:59 2007
 #
 # CONFIG_PPC64 is not set
+
+#
+# Processor support
+#
+# CONFIG_6xx is not set
+# CONFIG_PPC_85xx is not set
+# CONFIG_PPC_8xx is not set
+# CONFIG_40x is not set
+CONFIG_44x=y
+# CONFIG_E200 is not set
+CONFIG_4xx=y
+CONFIG_BOOKE=y
+CONFIG_PTE_64BIT=y
+CONFIG_PHYS_64BIT=y
+# CONFIG_PPC_MM_SLICES is not set
+CONFIG_NOT_COHERENT_CACHE=y
 CONFIG_PPC32=y
 CONFIG_PPC_MERGE=y
 CONFIG_MMU=y
@@ -14,39 +30,22 @@ CONFIG_ARCH_HAS_ILOG2_U32=y
 CONFIG_GENERIC_HWEIGHT=y
 CONFIG_GENERIC_CALIBRATE_DELAY=y
 CONFIG_GENERIC_FIND_NEXT_BIT=y
+# CONFIG_ARCH_NO_VIRT_TO_BUS is not set
 CONFIG_PPC=y
 CONFIG_EARLY_PRINTK=y
 CONFIG_GENERIC_NVRAM=y
 CONFIG_SCHED_NO_NO_OMIT_FRAME_POINTER=y
 CONFIG_ARCH_MAY_HAVE_PC_FDC=y
 CONFIG_PPC_OF=y
+CONFIG_OF=y
 # CONFIG_PPC_UDBG_16550 is not set
 # CONFIG_GENERIC_TBSYNC is not set
 CONFIG_AUDIT_ARCH=y
 CONFIG_GENERIC_BUG=y
 # CONFIG_DEFAULT_UIMAGE is not set
-
-#
-# Processor support
-#
-# CONFIG_CLASSIC32 is not set
-# CONFIG_PPC_82xx is not set
-# CONFIG_PPC_83xx is not set
-# CONFIG_PPC_85xx is not set
-# CONFIG_PPC_86xx is not set
-# CONFIG_PPC_8xx is not set
-# CONFIG_40x is not set
-CONFIG_44x=y
-# CONFIG_E200 is not set
 CONFIG_PPC_DCR_NATIVE=y
 # CONFIG_PPC_DCR_MMIO is not set
 CONFIG_PPC_DCR=y
-CONFIG_4xx=y
-CONFIG_BOOKE=y
-CONFIG_PTE_64BIT=y
-CONFIG_PHYS_64BIT=y
-# CONFIG_PPC_MM_SLICES is not set
-CONFIG_NOT_COHERENT_CACHE=y
 CONFIG_DEFCONFIG_LIST="/lib/modules/$UNAME_RELEASE/.config"
 
 #
@@ -63,12 +62,11 @@ CONFIG_LOCALVERSION=""
 CONFIG_LOCALVERSION_AUTO=y
 CONFIG_SWAP=y
 CONFIG_SYSVIPC=y
-# CONFIG_IPC_NS is not set
 CONFIG_SYSVIPC_SYSCTL=y
 CONFIG_POSIX_MQUEUE=y
 # CONFIG_BSD_PROCESS_ACCT is not set
 # CONFIG_TASKSTATS is not set
-# CONFIG_UTS_NS is not set
+# CONFIG_USER_NS is not set
 # CONFIG_AUDIT is not set
 # CONFIG_IKCONFIG is not set
 CONFIG_LOG_BUF_SHIFT=14
@@ -102,24 +100,17 @@ CONFIG_SLAB=y
 CONFIG_RT_MUTEXES=y
 # 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_MODVERSIONS is not set
 # CONFIG_MODULE_SRCVERSION_ALL is not set
 CONFIG_KMOD=y
-
-#
-# Block layer
-#
 CONFIG_BLOCK=y
 CONFIG_LBD=y
 # CONFIG_BLK_DEV_IO_TRACE is not set
 # CONFIG_LSF is not set
+# CONFIG_BLK_DEV_BSG is not set
 
 #
 # IO Schedulers
@@ -184,6 +175,8 @@ CONFIG_FLAT_NODE_MEM_MAP=y
 CONFIG_SPLIT_PTLOCK_CPUS=4
 CONFIG_RESOURCES_64BIT=y
 CONFIG_ZONE_DMA_FLAG=1
+CONFIG_BOUNCE=y
+CONFIG_VIRT_TO_BUS=y
 CONFIG_PROC_DEVICETREE=y
 # CONFIG_CMDLINE_BOOL is not set
 CONFIG_SECCOMP=y
@@ -196,9 +189,9 @@ CONFIG_ISA_DMA_API=y
 #
 CONFIG_ZONE_DMA=y
 CONFIG_PPC_INDIRECT_PCI=y
-# CONFIG_PPC_INDIRECT_PCI_BE is not set
 CONFIG_PCI=y
 CONFIG_PCI_DOMAINS=y
+CONFIG_PCI_SYSCALL=y
 # CONFIG_PCIEPORTBUS is not set
 CONFIG_ARCH_SUPPORTS_MSI=y
 # CONFIG_PCI_MSI is not set
@@ -306,6 +299,7 @@ CONFIG_DEFAULT_TCP_CONG="cubic"
 # CONFIG_MAC80211 is not set
 # CONFIG_IEEE80211 is not set
 # CONFIG_RFKILL is not set
+# CONFIG_NET_9P is not set
 
 #
 # Device Drivers
@@ -320,27 +314,85 @@ CONFIG_FW_LOADER=y
 # CONFIG_DEBUG_DRIVER is not set
 # CONFIG_DEBUG_DEVRES is not set
 # CONFIG_SYS_HYPERVISOR is not set
+CONFIG_CONNECTOR=y
+CONFIG_PROC_EVENTS=y
+CONFIG_MTD=y
+# CONFIG_MTD_DEBUG is not set
+# CONFIG_MTD_CONCAT is not set
+CONFIG_MTD_PARTITIONS=y
+# CONFIG_MTD_REDBOOT_PARTS is not set
+# CONFIG_MTD_CMDLINE_PARTS is not set
 
 #
-# Connector - unified userspace <-> kernelspace linker
+# User Modules And Translation Layers
 #
-CONFIG_CONNECTOR=y
-CONFIG_PROC_EVENTS=y
-# CONFIG_MTD is not set
+CONFIG_MTD_CHAR=y
+CONFIG_MTD_BLKDEVS=y
+CONFIG_MTD_BLOCK=y
+# CONFIG_FTL is not set
+# CONFIG_NFTL is not set
+# CONFIG_INFTL is not set
+# CONFIG_RFD_FTL is not set
+# CONFIG_SSFDC is not set
 
 #
-# Parallel port support
+# RAM/ROM/Flash chip drivers
 #
-# CONFIG_PARPORT is not set
+CONFIG_MTD_CFI=y
+CONFIG_MTD_JEDECPROBE=y
+CONFIG_MTD_GEN_PROBE=y
+# CONFIG_MTD_CFI_ADV_OPTIONS is not set
+CONFIG_MTD_MAP_BANK_WIDTH_1=y
+CONFIG_MTD_MAP_BANK_WIDTH_2=y
+CONFIG_MTD_MAP_BANK_WIDTH_4=y
+# CONFIG_MTD_MAP_BANK_WIDTH_8 is not set
+# CONFIG_MTD_MAP_BANK_WIDTH_16 is not set
+# CONFIG_MTD_MAP_BANK_WIDTH_32 is not set
+CONFIG_MTD_CFI_I1=y
+CONFIG_MTD_CFI_I2=y
+# CONFIG_MTD_CFI_I4 is not set
+# CONFIG_MTD_CFI_I8 is not set
+# CONFIG_MTD_CFI_INTELEXT is not set
+CONFIG_MTD_CFI_AMDSTD=y
+# CONFIG_MTD_CFI_STAA is not set
+CONFIG_MTD_CFI_UTIL=y
+# CONFIG_MTD_RAM is not set
+# CONFIG_MTD_ROM is not set
+# CONFIG_MTD_ABSENT is not set
+
+#
+# Mapping drivers for chip access
+#
+# CONFIG_MTD_COMPLEX_MAPPINGS is not set
+# CONFIG_MTD_PHYSMAP is not set
+CONFIG_MTD_PHYSMAP_OF=y
+# CONFIG_MTD_PLATRAM is not set
+
+#
+# Self-contained MTD device drivers
+#
+# CONFIG_MTD_PMC551 is not set
+# CONFIG_MTD_SLRAM is not set
+# CONFIG_MTD_PHRAM is not set
+# CONFIG_MTD_MTDRAM is not set
+# CONFIG_MTD_BLOCK2MTD is not set
 
 #
-# Plug and Play support
+# Disk-On-Chip Device Drivers
 #
-# CONFIG_PNPACPI is not set
+# CONFIG_MTD_DOC2000 is not set
+# CONFIG_MTD_DOC2001 is not set
+# CONFIG_MTD_DOC2001PLUS is not set
+# CONFIG_MTD_NAND is not set
+# CONFIG_MTD_ONENAND is not set
 
 #
-# Block devices
+# UBI - Unsorted block images
 #
+# CONFIG_MTD_UBI is not set
+CONFIG_OF_DEVICE=y
+# CONFIG_PARPORT is not set
+CONFIG_BLK_DEV=y
 # CONFIG_BLK_DEV_FD is not set
 # CONFIG_BLK_CPQ_DA is not set
 # CONFIG_BLK_CPQ_CISS_DA is not set
@@ -356,14 +408,12 @@ CONFIG_BLK_DEV_RAM_SIZE=35000
 CONFIG_BLK_DEV_RAM_BLOCKSIZE=1024
 # CONFIG_CDROM_PKTCDVD is not set
 # CONFIG_ATA_OVER_ETH is not set
-
-#
-# Misc devices
-#
+# CONFIG_XILINX_SYSACE is not set
+CONFIG_MISC_DEVICES=y
 # CONFIG_PHANTOM is not set
+# CONFIG_EEPROM_93CX6 is not set
 # CONFIG_SGI_IOC4 is not set
 # CONFIG_TIFM_CORE is not set
-# CONFIG_BLINK is not set
 # CONFIG_IDE is not set
 
 #
@@ -371,12 +421,9 @@ CONFIG_BLK_DEV_RAM_BLOCKSIZE=1024
 #
 # CONFIG_RAID_ATTRS is not set
 # CONFIG_SCSI is not set
+# CONFIG_SCSI_DMA is not set
 # CONFIG_SCSI_NETLINK is not set
 # CONFIG_ATA is not set
-
-#
-# Multi-device support (RAID and LVM)
-#
 # CONFIG_MD is not set
 
 #
@@ -389,35 +436,17 @@ CONFIG_BLK_DEV_RAM_BLOCKSIZE=1024
 #
 # CONFIG_FIREWIRE is not set
 # CONFIG_IEEE1394 is not set
-
-#
-# I2O device support
-#
 # CONFIG_I2O is not set
 # CONFIG_MACINTOSH_DRIVERS is not set
-
-#
-# Network device support
-#
 CONFIG_NETDEVICES=y
+# CONFIG_NETDEVICES_MULTIQUEUE is not set
 # CONFIG_DUMMY is not set
 # CONFIG_BONDING is not set
+# CONFIG_MACVLAN is not set
 # CONFIG_EQUALIZER is not set
 # CONFIG_TUN is not set
 # CONFIG_ARCNET is not set
-
-#
-# Ethernet (10 or 100Mbit)
-#
 # CONFIG_NET_ETHERNET is not set
-CONFIG_IBM_EMAC=y
-CONFIG_IBM_EMAC_RXB=128
-CONFIG_IBM_EMAC_TXB=64
-CONFIG_IBM_EMAC_POLL_WEIGHT=32
-CONFIG_IBM_EMAC_RX_COPY_THRESHOLD=256
-CONFIG_IBM_EMAC_RX_SKB_HEADROOM=0
-# CONFIG_IBM_EMAC_DEBUG is not set
-CONFIG_IBM_EMAC_ZMII=y
 CONFIG_NETDEV_1000=y
 # CONFIG_ACENIC is not set
 # CONFIG_DL2K is not set
@@ -429,7 +458,6 @@ CONFIG_NETDEV_1000=y
 # CONFIG_SIS190 is not set
 # CONFIG_SKGE is not set
 # CONFIG_SKY2 is not set
-# CONFIG_SK98LIN is not set
 # CONFIG_VIA_VELOCITY is not set
 # CONFIG_TIGON3 is not set
 # CONFIG_BNX2 is not set
@@ -459,15 +487,7 @@ CONFIG_NETDEV_10000=y
 # CONFIG_NETCONSOLE is not set
 # CONFIG_NETPOLL is not set
 # CONFIG_NET_POLL_CONTROLLER is not set
-
-#
-# ISDN subsystem
-#
 # CONFIG_ISDN is not set
-
-#
-# Telephony Support
-#
 # CONFIG_PHONE is not set
 
 #
@@ -512,10 +532,6 @@ CONFIG_SERIAL_OF_PLATFORM=y
 CONFIG_UNIX98_PTYS=y
 CONFIG_LEGACY_PTYS=y
 CONFIG_LEGACY_PTY_COUNT=256
-
-#
-# IPMI
-#
 # CONFIG_IPMI_HANDLER is not set
 # CONFIG_WATCHDOG is not set
 # CONFIG_HW_RANDOM is not set
@@ -526,10 +542,6 @@ CONFIG_LEGACY_PTY_COUNT=256
 # CONFIG_AGP is not set
 # CONFIG_DRM is not set
 # CONFIG_RAW_DRIVER is not set
-
-#
-# TPM devices
-#
 # CONFIG_TCG_TPM is not set
 CONFIG_DEVPORT=y
 # CONFIG_I2C is not set
@@ -539,11 +551,8 @@ CONFIG_DEVPORT=y
 #
 # CONFIG_SPI is not set
 # CONFIG_SPI_MASTER is not set
-
-#
-# Dallas's 1-wire bus
-#
 # CONFIG_W1 is not set
+# CONFIG_POWER_SUPPLY is not set
 # CONFIG_HWMON is not set
 
 #
@@ -568,6 +577,7 @@ CONFIG_DEVPORT=y
 #
 # CONFIG_DISPLAY_SUPPORT is not set
 # CONFIG_VGASTATE is not set
+# CONFIG_VIDEO_OUTPUT_CONTROL is not set
 # CONFIG_FB is not set
 # CONFIG_FB_IBM_GXT4500 is not set
 
@@ -575,10 +585,7 @@ CONFIG_DEVPORT=y
 # Sound
 #
 # CONFIG_SOUND is not set
-
-#
-# USB support
-#
+CONFIG_USB_SUPPORT=y
 CONFIG_USB_ARCH_HAS_HCD=y
 CONFIG_USB_ARCH_HAS_OHCI=y
 CONFIG_USB_ARCH_HAS_EHCI=y
@@ -593,28 +600,9 @@ CONFIG_USB_ARCH_HAS_EHCI=y
 #
 # CONFIG_USB_GADGET is not set
 # CONFIG_MMC is not set
-
-#
-# LED devices
-#
 # CONFIG_NEW_LEDS is not set
-
-#
-# LED drivers
-#
-
-#
-# LED Triggers
-#
-
-#
-# InfiniBand support
-#
 # CONFIG_INFINIBAND is not set
-
-#
-# EDAC - error detection and reporting (RAS) (EXPERIMENTAL)
-#
+# CONFIG_EDAC is not set
 
 #
 # Real Time Clock
@@ -635,6 +623,11 @@ CONFIG_USB_ARCH_HAS_EHCI=y
 #
 
 #
+# Userspace I/O
+#
+# CONFIG_UIO is not set
+
+#
 # File systems
 #
 CONFIG_EXT2_FS=y
@@ -694,6 +687,15 @@ CONFIG_RAMFS=y
 # CONFIG_BEFS_FS is not set
 # CONFIG_BFS_FS is not set
 # CONFIG_EFS_FS is not set
+CONFIG_JFFS2_FS=y
+CONFIG_JFFS2_FS_DEBUG=0
+CONFIG_JFFS2_FS_WRITEBUFFER=y
+# CONFIG_JFFS2_SUMMARY is not set
+# CONFIG_JFFS2_FS_XATTR is not set
+# CONFIG_JFFS2_COMPRESSION_OPTIONS is not set
+CONFIG_JFFS2_ZLIB=y
+CONFIG_JFFS2_RTIME=y
+# CONFIG_JFFS2_RUBIN is not set
 CONFIG_CRAMFS=y
 # CONFIG_VXFS_FS is not set
 # CONFIG_HPFS_FS is not set
@@ -723,7 +725,6 @@ CONFIG_SUNRPC=y
 # CONFIG_NCP_FS is not set
 # CONFIG_CODA_FS is not set
 # CONFIG_AFS_FS is not set
-# CONFIG_9P_FS is not set
 
 #
 # Partition Types
@@ -750,8 +751,10 @@ CONFIG_BITREVERSE=y
 # CONFIG_CRC16 is not set
 # CONFIG_CRC_ITU_T is not set
 CONFIG_CRC32=y
+# CONFIG_CRC7 is not set
 # CONFIG_LIBCRC32C is not set
 CONFIG_ZLIB_INFLATE=y
+CONFIG_ZLIB_DEFLATE=y
 CONFIG_PLIST=y
 CONFIG_HAS_IOMEM=y
 CONFIG_HAS_IOPORT=y
@@ -774,6 +777,7 @@ CONFIG_MAGIC_SYSRQ=y
 CONFIG_DEBUG_KERNEL=y
 # CONFIG_DEBUG_SHIRQ is not set
 CONFIG_DETECT_SOFTLOCKUP=y
+CONFIG_SCHED_DEBUG=y
 # CONFIG_SCHEDSTATS is not set
 # CONFIG_TIMER_STATS is not set
 # CONFIG_DEBUG_SLAB is not set
@@ -796,7 +800,6 @@ CONFIG_FORCED_INLINING=y
 # CONFIG_DEBUG_PAGEALLOC is not set
 # CONFIG_DEBUGGER is not set
 # CONFIG_BDI_SWITCH is not set
-# CONFIG_BOOTX_TEXT is not set
 # CONFIG_PPC_EARLY_DEBUG is not set
 
 #
@@ -804,10 +807,6 @@ CONFIG_FORCED_INLINING=y
 #
 # CONFIG_KEYS is not set
 # CONFIG_SECURITY is not set
-
-#
-# Cryptographic options
-#
 CONFIG_CRYPTO=y
 CONFIG_CRYPTO_ALGAPI=y
 CONFIG_CRYPTO_BLKCIPHER=y
@@ -845,7 +844,4 @@ CONFIG_CRYPTO_DES=y
 # CONFIG_CRYPTO_CRC32C is not set
 # CONFIG_CRYPTO_CAMELLIA is not set
 # CONFIG_CRYPTO_TEST is not set
-
-#
-# Hardware crypto devices
-#
+CONFIG_CRYPTO_HW=y
diff --git a/drivers/mtd/maps/Kconfig b/drivers/mtd/maps/Kconfig
index cc6c73442435..6cd132c75187 100644
--- a/drivers/mtd/maps/Kconfig
+++ b/drivers/mtd/maps/Kconfig
@@ -362,7 +362,7 @@ config MTD_WALNUT
 
 config MTD_EBONY
         tristate "Flash devices mapped on IBM 440GP Ebony"
-        depends on MTD_JEDECPROBE && EBONY
+        depends on MTD_JEDECPROBE && EBONY && !PPC_MERGE
         help
           This enables access routines for the flash chips on the IBM 440GP
           Ebony board. If you have one of these boards and would like to