Merge branch 'merge' of git://git.kernel.org/pub/scm/linux/kernel/git/paulus/powerpc

* 'merge' of git://git.kernel.org/pub/scm/linux/kernel/git/paulus/powerpc:
  [PATCH] powerpc: update cell_defconfig
  [PATCH] spufs: Disable local interrupts for SPE hash_page calls.
  [PATCH] powerpc: Add cputable entry for POWER6
  [PATCH] ppc32 CPM_UART: Fixed odd address translations
  [PATCH] ppc32: Update board-specific code of the CPM UART users
  [PATCH] ppc32 CPM_UART: Convert to use platform devices
  [PATCH] ppc32: odd fixes and improvements in ppc_sys
  [PATCH] powerpc: Wire up *at syscalls
  [PATCH] ppc32: add 440GX erratum 440_43 workaround
  [PATCH] powerpc: Use check_legacy_ioport() on ppc32 too.
  [PATCH] powerpc64: Fix loading of modules without a .toc section
  [PATCH] sound/ppc: snd_pmac_toonie_init should be __init
  powerpc/pseries: Tell firmware our capabilities on new machines
  [PATCH] powerpc: Fix pagetable bloat for hugepages

21 files changed, 926 insertions, 84 deletions

diff --git a/arch/powerpc/configs/cell_defconfig b/arch/powerpc/configs/cell_defconfig
index fe22e54ab2b0..dbe421dc3c11 100644
--- a/arch/powerpc/configs/cell_defconfig
+++ b/arch/powerpc/configs/cell_defconfig
@@ -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
@@ -55,6 +56,7 @@ CONFIG_SYSCTL=y
 CONFIG_IKCONFIG=y
 CONFIG_IKCONFIG_PROC=y
 # CONFIG_CPUSETS is not set
+# CONFIG_RELAY is not set
 CONFIG_INITRAMFS_SOURCE=""
 CONFIG_CC_OPTIMIZE_FOR_SIZE=y
 # CONFIG_EMBEDDED is not set
@@ -69,10 +71,6 @@ 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
@@ -84,7 +82,6 @@ CONFIG_BASE_SMALL=0
 CONFIG_MODULES=y
 CONFIG_MODULE_UNLOAD=y
 # CONFIG_MODULE_FORCE_UNLOAD is not set
-CONFIG_OBSOLETE_MODPARM=y
 # CONFIG_MODVERSIONS is not set
 # CONFIG_MODULE_SRCVERSION_ALL is not set
 CONFIG_KMOD=y
@@ -93,6 +90,7 @@ CONFIG_STOP_MACHINE=y
 #
 # Block layer
 #
+# CONFIG_BLK_DEV_IO_TRACE is not set
 
 #
 # IO Schedulers
@@ -126,6 +124,7 @@ CONFIG_RTAS_FLASH=y
 CONFIG_MMIO_NVRAM=y
 CONFIG_CELL_IIC=y
 # CONFIG_PPC_MPC106 is not set
+# CONFIG_PPC_970_NAP is not set
 # CONFIG_CPU_FREQ is not set
 # CONFIG_WANT_EARLY_SERIAL is not set
 
@@ -167,7 +166,6 @@ CONFIG_HAVE_MEMORY_PRESENT=y
 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
@@ -184,7 +182,6 @@ CONFIG_GENERIC_ISA_DMA=y
 # CONFIG_PPC_INDIRECT_PCI is not set
 CONFIG_PCI=y
 CONFIG_PCI_DOMAINS=y
-CONFIG_PCI_LEGACY_PROC=y
 # CONFIG_PCI_DEBUG is not set
 
 #
@@ -226,6 +223,7 @@ CONFIG_SYN_COOKIES=y
 # CONFIG_INET_AH is not set
 # CONFIG_INET_ESP is not set
 # CONFIG_INET_IPCOMP is not set
+# CONFIG_INET_XFRM_TUNNEL is not set
 CONFIG_INET_TUNNEL=y
 CONFIG_INET_DIAG=y
 CONFIG_INET_TCP_DIAG=y
@@ -242,6 +240,7 @@ CONFIG_IPV6=y
 CONFIG_INET6_AH=m
 CONFIG_INET6_ESP=m
 CONFIG_INET6_IPCOMP=m
+CONFIG_INET6_XFRM_TUNNEL=m
 CONFIG_INET6_TUNNEL=m
 CONFIG_IPV6_TUNNEL=m
 CONFIG_NETFILTER=y
@@ -632,6 +631,7 @@ CONFIG_SERIAL_NONSTANDARD=y
 #
 CONFIG_SERIAL_8250=y
 CONFIG_SERIAL_8250_CONSOLE=y
+CONFIG_SERIAL_8250_PCI=y
 CONFIG_SERIAL_8250_NR_UARTS=4
 CONFIG_SERIAL_8250_RUNTIME_UARTS=4
 # CONFIG_SERIAL_8250_EXTENDED is not set
@@ -717,7 +717,6 @@ CONFIG_I2C_ALGOBIT=y
 # 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
@@ -736,9 +735,7 @@ CONFIG_I2C_ALGOBIT=y
 # 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_MAX6875 is not set
-# CONFIG_RTC_X1205_I2C is not set
 # CONFIG_I2C_DEBUG_CORE is not set
 # CONFIG_I2C_DEBUG_ALGO is not set
 # CONFIG_I2C_DEBUG_BUS is not set
@@ -766,10 +763,6 @@ CONFIG_I2C_ALGOBIT=y
 #
 
 #
-# Multimedia Capabilities Port drivers
-#
-
-#
 # Multimedia devices
 #
 # CONFIG_VIDEO_DEV is not set
@@ -818,6 +811,19 @@ CONFIG_USB_ARCH_HAS_EHCI=y
 # CONFIG_MMC is not set
 
 #
+# LED devices
+#
+# CONFIG_NEW_LEDS is not set
+
+#
+# LED drivers
+#
+
+#
+# LED Triggers
+#
+
+#
 # InfiniBand support
 #
 CONFIG_INFINIBAND=y
@@ -834,6 +840,11 @@ CONFIG_INFINIBAND_IPOIB_DEBUG_DATA=y
 #
 
 #
+# Real Time Clock
+#
+# CONFIG_RTC_CLASS is not set
+
+#
 # File systems
 #
 CONFIG_EXT2_FS=y
@@ -889,7 +900,6 @@ CONFIG_TMPFS=y
 CONFIG_HUGETLBFS=y
 CONFIG_HUGETLB_PAGE=y
 CONFIG_RAMFS=y
-# CONFIG_RELAYFS_FS is not set
 # CONFIG_CONFIGFS_FS is not set
 
 #
diff --git a/arch/powerpc/kernel/cputable.c b/arch/powerpc/kernel/cputable.c
index 39e348a3ade2..3f7182db9ed5 100644
--- a/arch/powerpc/kernel/cputable.c
+++ b/arch/powerpc/kernel/cputable.c
@@ -57,6 +57,8 @@ extern void __setup_cpu_ppc970(unsigned long offset, struct cpu_spec* spec);
                                  PPC_FEATURE_SMT | PPC_FEATURE_ICACHE_SNOOP)
 #define COMMON_USER_POWER5_PLUS (COMMON_USER_PPC64 | PPC_FEATURE_POWER5_PLUS|\
                                  PPC_FEATURE_SMT | PPC_FEATURE_ICACHE_SNOOP)
+#define COMMON_USER_POWER6      (COMMON_USER_PPC64 | PPC_FEATURE_ARCH_2_05 |\
+                                 PPC_FEATURE_SMT | PPC_FEATURE_ICACHE_SNOOP)
 #define COMMON_USER_BOOKE       (PPC_FEATURE_32 | PPC_FEATURE_HAS_MMU | \
                                  PPC_FEATURE_BOOKE)
 
@@ -263,6 +265,20 @@ struct cpu_spec	cpu_specs[] = {
                 .oprofile_type          = PPC_OPROFILE_POWER4,
                 .platform               = "power5+",
         },
+        {       /* Power6 */
+                .pvr_mask               = 0xffff0000,
+                .pvr_value              = 0x003e0000,
+                .cpu_name               = "POWER6",
+                .cpu_features           = CPU_FTRS_POWER6,
+                .cpu_user_features      = COMMON_USER_POWER6,
+                .icache_bsize           = 128,
+                .dcache_bsize           = 128,
+                .num_pmcs               = 6,
+                .cpu_setup              = __setup_cpu_power4,
+                .oprofile_cpu_type      = "ppc64/power6",
+                .oprofile_type          = PPC_OPROFILE_POWER4,
+                .platform               = "power6",
+        },
         {       /* Cell Broadband Engine */
                 .pvr_mask               = 0xffff0000,
                 .pvr_value              = 0x00700000,
diff --git a/arch/powerpc/kernel/module_64.c b/arch/powerpc/kernel/module_64.c
index 928b8581fcb0..ba34001fca8e 100644
--- a/arch/powerpc/kernel/module_64.c
+++ b/arch/powerpc/kernel/module_64.c
@@ -191,11 +191,19 @@ int module_frob_arch_sections(Elf64_Ehdr *hdr,
                                  (void *)hdr
                                  + sechdrs[sechdrs[i].sh_link].sh_offset);
         }
-        if (!me->arch.stubs_section || !me->arch.toc_section) {
-                printk("%s: doesn't contain .toc or .stubs.\n", me->name);
+
+        if (!me->arch.stubs_section) {
+                printk("%s: doesn't contain .stubs.\n", me->name);
                 return -ENOEXEC;
         }
 
+        /* If we don't have a .toc, just use .stubs.  We need to set r2
+           to some reasonable value in case the module calls out to
+           other functions via a stub, or if a function pointer escapes
+           the module by some means.  */
+        if (!me->arch.toc_section)
+                me->arch.toc_section = me->arch.stubs_section;
+
         /* Override the stubs size */
         sechdrs[me->arch.stubs_section].sh_size = get_stubs_size(hdr, sechdrs);
         return 0;
@@ -342,7 +350,7 @@ int apply_relocate_add(Elf64_Shdr *sechdrs,
                         break;
 
                 case R_PPC64_TOC16:
-                        /* Subtact TOC pointer */
+                        /* Subtract TOC pointer */
                         value -= my_r2(sechdrs, me);
                         if (value + 0x8000 > 0xffff) {
                                 printk("%s: bad TOC16 relocation (%lu)\n",
@@ -355,7 +363,7 @@ int apply_relocate_add(Elf64_Shdr *sechdrs,
                         break;
 
                 case R_PPC64_TOC16_DS:
-                        /* Subtact TOC pointer */
+                        /* Subtract TOC pointer */
                         value -= my_r2(sechdrs, me);
                         if ((value & 3) != 0 || value + 0x8000 > 0xffff) {
                                 printk("%s: bad TOC16_DS relocation (%lu)\n",
diff --git a/arch/powerpc/kernel/prom_init.c b/arch/powerpc/kernel/prom_init.c
index 7e4d54821a07..078fb5533541 100644
--- a/arch/powerpc/kernel/prom_init.c
+++ b/arch/powerpc/kernel/prom_init.c
@@ -636,10 +636,96 @@ static void __init early_cmdline_parse(void)
 
 #ifdef CONFIG_PPC_PSERIES
 /*
- * To tell the firmware what our capabilities are, we have to pass
- * it a fake 32-bit ELF header containing a couple of PT_NOTE sections
- * that contain structures that contain the actual values.
+ * There are two methods for telling firmware what our capabilities are.
+ * Newer machines have an "ibm,client-architecture-support" method on the
+ * root node.  For older machines, we have to call the "process-elf-header"
+ * method in the /packages/elf-loader node, passing it a fake 32-bit
+ * ELF header containing a couple of PT_NOTE sections that contain
+ * structures that contain various information.
  */
+
+/*
+ * New method - extensible architecture description vector.
+ *
+ * Because the description vector contains a mix of byte and word
+ * values, we declare it as an unsigned char array, and use this
+ * macro to put word values in.
+ */
+#define W(x)    ((x) >> 24) & 0xff, ((x) >> 16) & 0xff, \
+                ((x) >> 8) & 0xff, (x) & 0xff
+
+/* Option vector bits - generic bits in byte 1 */
+#define OV_IGNORE               0x80    /* ignore this vector */
+#define OV_CESSATION_POLICY     0x40    /* halt if unsupported option present*/
+
+/* Option vector 1: processor architectures supported */
+#define OV1_PPC_2_00            0x80    /* set if we support PowerPC 2.00 */
+#define OV1_PPC_2_01            0x40    /* set if we support PowerPC 2.01 */
+#define OV1_PPC_2_02            0x20    /* set if we support PowerPC 2.02 */
+#define OV1_PPC_2_03            0x10    /* set if we support PowerPC 2.03 */
+#define OV1_PPC_2_04            0x08    /* set if we support PowerPC 2.04 */
+#define OV1_PPC_2_05            0x04    /* set if we support PowerPC 2.05 */
+
+/* Option vector 2: Open Firmware options supported */
+#define OV2_REAL_MODE           0x20    /* set if we want OF in real mode */
+
+/* Option vector 3: processor options supported */
+#define OV3_FP                  0x80    /* floating point */
+#define OV3_VMX                 0x40    /* VMX/Altivec */
+
+/* Option vector 5: PAPR/OF options supported */
+#define OV5_LPAR                0x80    /* logical partitioning supported */
+#define OV5_SPLPAR              0x40    /* shared-processor LPAR supported */
+/* ibm,dynamic-reconfiguration-memory property supported */
+#define OV5_DRCONF_MEMORY       0x20
+#define OV5_LARGE_PAGES         0x10    /* large pages supported */
+
+/*
+ * The architecture vector has an array of PVR mask/value pairs,
+ * followed by # option vectors - 1, followed by the option vectors.
+ */
+static unsigned char ibm_architecture_vec[] = {
+        W(0xfffe0000), W(0x003a0000),   /* POWER5/POWER5+ */
+        W(0xffff0000), W(0x003e0000),   /* POWER6 */
+        W(0xfffffffe), W(0x0f000001),   /* all 2.04-compliant and earlier */
+        5 - 1,                          /* 5 option vectors */
+
+        /* option vector 1: processor architectures supported */
+        3 - 1,                          /* length */
+        0,                              /* don't ignore, don't halt */
+        OV1_PPC_2_00 | OV1_PPC_2_01 | OV1_PPC_2_02 | OV1_PPC_2_03 |
+        OV1_PPC_2_04 | OV1_PPC_2_05,
+
+        /* option vector 2: Open Firmware options supported */
+        34 - 1,                         /* length */
+        OV2_REAL_MODE,
+        0, 0,
+        W(0xffffffff),                  /* real_base */
+        W(0xffffffff),                  /* real_size */
+        W(0xffffffff),                  /* virt_base */
+        W(0xffffffff),                  /* virt_size */
+        W(0xffffffff),                  /* load_base */
+        W(64),                          /* 128MB min RMA */
+        W(0xffffffff),                  /* full client load */
+        0,                              /* min RMA percentage of total RAM */
+        48,                             /* max log_2(hash table size) */
+
+        /* option vector 3: processor options supported */
+        3 - 1,                          /* length */
+        0,                              /* don't ignore, don't halt */
+        OV3_FP | OV3_VMX,
+
+        /* option vector 4: IBM PAPR implementation */
+        2 - 1,                          /* length */
+        0,                              /* don't halt */
+
+        /* option vector 5: PAPR/OF options */
+        3 - 1,                          /* length */
+        0,                              /* don't ignore, don't halt */
+        OV5_LPAR | OV5_SPLPAR | OV5_LARGE_PAGES,
+};
+
+/* Old method - ELF header with PT_NOTE sections */
 static struct fake_elf {
         Elf32_Ehdr      elfhdr;
         Elf32_Phdr      phdr[2];
@@ -728,8 +814,26 @@ static struct fake_elf {
 
 static void __init prom_send_capabilities(void)
 {
-        ihandle elfloader;
+        ihandle elfloader, root;
+        prom_arg_t ret;
+
+        root = call_prom("open", 1, 1, ADDR("/"));
+        if (root != 0) {
+                /* try calling the ibm,client-architecture-support method */
+                if (call_prom_ret("call-method", 3, 2, &ret,
+                                  ADDR("ibm,client-architecture-support"),
+                                  ADDR(ibm_architecture_vec)) == 0) {
+                        /* the call exists... */
+                        if (ret)
+                                prom_printf("WARNING: ibm,client-architecture"
+                                            "-support call FAILED!\n");
+                        call_prom("close", 1, 0, root);
+                        return;
+                }
+                call_prom("close", 1, 0, root);
+        }
 
+        /* no ibm,client-architecture-support call, try the old way */
         elfloader = call_prom("open", 1, 1, ADDR("/packages/elf-loader"));
         if (elfloader == 0) {
                 prom_printf("couldn't open /packages/elf-loader\n");
diff --git a/arch/powerpc/kernel/setup-common.c b/arch/powerpc/kernel/setup-common.c
index 1d93e73a7003..684ab1d49c65 100644
--- a/arch/powerpc/kernel/setup-common.c
+++ b/arch/powerpc/kernel/setup-common.c
@@ -516,3 +516,11 @@ void probe_machine(void)
 
         printk(KERN_INFO "Using %s machine description\n", ppc_md.name);
 }
+
+int check_legacy_ioport(unsigned long base_port)
+{
+        if (ppc_md.check_legacy_ioport == NULL)
+                return 0;
+        return ppc_md.check_legacy_ioport(base_port);
+}
+EXPORT_SYMBOL(check_legacy_ioport);
diff --git a/arch/powerpc/kernel/setup_64.c b/arch/powerpc/kernel/setup_64.c
index 13e91c4d70a8..4467c49903b6 100644
--- a/arch/powerpc/kernel/setup_64.c
+++ b/arch/powerpc/kernel/setup_64.c
@@ -594,14 +594,6 @@ void ppc64_terminate_msg(unsigned int src, const char *msg)
         printk("[terminate]%04x %s\n", src, msg);
 }
 
-int check_legacy_ioport(unsigned long base_port)
-{
-        if (ppc_md.check_legacy_ioport == NULL)
-                return 0;
-        return ppc_md.check_legacy_ioport(base_port);
-}
-EXPORT_SYMBOL(check_legacy_ioport);
-
 void cpu_die(void)
 {
         if (ppc_md.cpu_die)
diff --git a/arch/powerpc/kernel/systbl.S b/arch/powerpc/kernel/systbl.S
index 0b98eea73c5e..cf56a1d499ff 100644
--- a/arch/powerpc/kernel/systbl.S
+++ b/arch/powerpc/kernel/systbl.S
@@ -325,6 +325,19 @@ SYSCALL(unshare)
 SYSCALL(splice)
 SYSCALL(tee)
 SYSCALL(vmsplice)
+COMPAT_SYS(openat)
+SYSCALL(mkdirat)
+SYSCALL(mknodat)
+SYSCALL(fchownat)
+COMPAT_SYS(futimesat)
+SYSX(sys_newfstatat, sys_fstatat64, sys_fstatat64)
+SYSCALL(unlinkat)
+SYSCALL(renameat)
+SYSCALL(linkat)
+SYSCALL(symlinkat)
+SYSCALL(readlinkat)
+SYSCALL(fchmodat)
+SYSCALL(faccessat)
 
 /*
  * please add new calls to arch/powerpc/platforms/cell/spu_callbacks.c
diff --git a/arch/powerpc/mm/hugetlbpage.c b/arch/powerpc/mm/hugetlbpage.c
index 7370f9f33e29..266b8b2ceac9 100644
--- a/arch/powerpc/mm/hugetlbpage.c
+++ b/arch/powerpc/mm/hugetlbpage.c
@@ -30,13 +30,66 @@
 #define NUM_LOW_AREAS   (0x100000000UL >> SID_SHIFT)
 #define NUM_HIGH_AREAS  (PGTABLE_RANGE >> HTLB_AREA_SHIFT)
 
+#ifdef CONFIG_PPC_64K_PAGES
+#define HUGEPTE_INDEX_SIZE      (PMD_SHIFT-HPAGE_SHIFT)
+#else
+#define HUGEPTE_INDEX_SIZE      (PUD_SHIFT-HPAGE_SHIFT)
+#endif
+#define PTRS_PER_HUGEPTE        (1 << HUGEPTE_INDEX_SIZE)
+#define HUGEPTE_TABLE_SIZE      (sizeof(pte_t) << HUGEPTE_INDEX_SIZE)
+
+#define HUGEPD_SHIFT            (HPAGE_SHIFT + HUGEPTE_INDEX_SIZE)
+#define HUGEPD_SIZE             (1UL << HUGEPD_SHIFT)
+#define HUGEPD_MASK             (~(HUGEPD_SIZE-1))
+
+#define huge_pgtable_cache      (pgtable_cache[HUGEPTE_CACHE_NUM])
+
+/* Flag to mark huge PD pointers.  This means pmd_bad() and pud_bad()
+ * will choke on pointers to hugepte tables, which is handy for
+ * catching screwups early. */
+#define HUGEPD_OK       0x1
+
+typedef struct { unsigned long pd; } hugepd_t;
+
+#define hugepd_none(hpd)        ((hpd).pd == 0)
+
+static inline pte_t *hugepd_page(hugepd_t hpd)
+{
+        BUG_ON(!(hpd.pd & HUGEPD_OK));
+        return (pte_t *)(hpd.pd & ~HUGEPD_OK);
+}
+
+static inline pte_t *hugepte_offset(hugepd_t *hpdp, unsigned long addr)
+{
+        unsigned long idx = ((addr >> HPAGE_SHIFT) & (PTRS_PER_HUGEPTE-1));
+        pte_t *dir = hugepd_page(*hpdp);
+
+        return dir + idx;
+}
+
+static int __hugepte_alloc(struct mm_struct *mm, hugepd_t *hpdp,
+                           unsigned long address)
+{
+        pte_t *new = kmem_cache_alloc(huge_pgtable_cache,
+                                      GFP_KERNEL|__GFP_REPEAT);
+
+        if (! new)
+                return -ENOMEM;
+
+        spin_lock(&mm->page_table_lock);
+        if (!hugepd_none(*hpdp))
+                kmem_cache_free(huge_pgtable_cache, new);
+        else
+                hpdp->pd = (unsigned long)new | HUGEPD_OK;
+        spin_unlock(&mm->page_table_lock);
+        return 0;
+}
+
 /* Modelled after find_linux_pte() */
 pte_t *huge_pte_offset(struct mm_struct *mm, unsigned long addr)
 {
         pgd_t *pg;
         pud_t *pu;
-        pmd_t *pm;
-        pte_t *pt;
 
         BUG_ON(! in_hugepage_area(mm->context, addr));
 
@@ -46,26 +99,14 @@ pte_t *huge_pte_offset(struct mm_struct *mm, unsigned long addr)
         if (!pgd_none(*pg)) {
                 pu = pud_offset(pg, addr);
                 if (!pud_none(*pu)) {
-                        pm = pmd_offset(pu, addr);
 #ifdef CONFIG_PPC_64K_PAGES
-                        /* Currently, we use the normal PTE offset within full
-                         * size PTE pages, thus our huge PTEs are scattered in
-                         * the PTE page and we do waste some. We may change
-                         * that in the future, but the current mecanism keeps
-                         * things much simpler
-                         */
-                        if (!pmd_none(*pm)) {
-                                /* Note: pte_offset_* are all equivalent on
-                                 * ppc64 as we don't have HIGHMEM
-                                 */
-                                pt = pte_offset_kernel(pm, addr);
-                                return pt;
-                        }
-#else /* CONFIG_PPC_64K_PAGES */
-                        /* On 4k pages, we put huge PTEs in the PMD page */
-                        pt = (pte_t *)pm;
-                        return pt;
-#endif /* CONFIG_PPC_64K_PAGES */
+                        pmd_t *pm;
+                        pm = pmd_offset(pu, addr);
+                        if (!pmd_none(*pm))
+                                return hugepte_offset((hugepd_t *)pm, addr);
+#else
+                        return hugepte_offset((hugepd_t *)pu, addr);
+#endif
                 }
         }
 
@@ -76,8 +117,7 @@ pte_t *huge_pte_alloc(struct mm_struct *mm, unsigned long addr)
 {
         pgd_t *pg;
         pud_t *pu;
-        pmd_t *pm;
-        pte_t *pt;
+        hugepd_t *hpdp = NULL;
 
         BUG_ON(! in_hugepage_area(mm->context, addr));
 
@@ -87,23 +127,182 @@ pte_t *huge_pte_alloc(struct mm_struct *mm, unsigned long addr)
         pu = pud_alloc(mm, pg, addr);
 
         if (pu) {
+#ifdef CONFIG_PPC_64K_PAGES
+                pmd_t *pm;
                 pm = pmd_alloc(mm, pu, addr);
-                if (pm) {
+                if (pm)
+                        hpdp = (hugepd_t *)pm;
+#else
+                hpdp = (hugepd_t *)pu;
+#endif
+        }
+
+        if (! hpdp)
+                return NULL;
+
+        if (hugepd_none(*hpdp) && __hugepte_alloc(mm, hpdp, addr))
+                return NULL;
+
+        return hugepte_offset(hpdp, addr);
+}
+
+static void free_hugepte_range(struct mmu_gather *tlb, hugepd_t *hpdp)
+{
+        pte_t *hugepte = hugepd_page(*hpdp);
+
+        hpdp->pd = 0;
+        tlb->need_flush = 1;
+        pgtable_free_tlb(tlb, pgtable_free_cache(hugepte, HUGEPTE_CACHE_NUM,
+                                                 HUGEPTE_TABLE_SIZE-1));
+}
+
 #ifdef CONFIG_PPC_64K_PAGES
-                        /* See comment in huge_pte_offset. Note that if we ever
-                         * want to put the page size in the PMD, we would have
-                         * to open code our own pte_alloc* function in order
-                         * to populate and set the size atomically
-                         */
-                        pt = pte_alloc_map(mm, pm, addr);
-#else /* CONFIG_PPC_64K_PAGES */
-                        pt = (pte_t *)pm;
-#endif /* CONFIG_PPC_64K_PAGES */
-                        return pt;
-                }
+static void hugetlb_free_pmd_range(struct mmu_gather *tlb, pud_t *pud,
+                                   unsigned long addr, unsigned long end,
+                                   unsigned long floor, unsigned long ceiling)
+{
+        pmd_t *pmd;
+        unsigned long next;
+        unsigned long start;
+
+        start = addr;
+        pmd = pmd_offset(pud, addr);
+        do {
+                next = pmd_addr_end(addr, end);
+                if (pmd_none(*pmd))
+                        continue;
+                free_hugepte_range(tlb, (hugepd_t *)pmd);
+        } while (pmd++, addr = next, addr != end);
+
+        start &= PUD_MASK;
+        if (start < floor)
+                return;
+        if (ceiling) {
+                ceiling &= PUD_MASK;
+                if (!ceiling)
+                        return;
         }
+        if (end - 1 > ceiling - 1)
+                return;
 
-        return NULL;
+        pmd = pmd_offset(pud, start);
+        pud_clear(pud);
+        pmd_free_tlb(tlb, pmd);
+}
+#endif
+
+static void hugetlb_free_pud_range(struct mmu_gather *tlb, pgd_t *pgd,
+                                   unsigned long addr, unsigned long end,
+                                   unsigned long floor, unsigned long ceiling)
+{
+        pud_t *pud;
+        unsigned long next;
+        unsigned long start;
+
+        start = addr;
+        pud = pud_offset(pgd, addr);
+        do {
+                next = pud_addr_end(addr, end);
+#ifdef CONFIG_PPC_64K_PAGES
+                if (pud_none_or_clear_bad(pud))
+                        continue;
+                hugetlb_free_pmd_range(tlb, pud, addr, next, floor, ceiling);
+#else
+                if (pud_none(*pud))
+                        continue;
+                free_hugepte_range(tlb, (hugepd_t *)pud);
+#endif
+        } while (pud++, addr = next, addr != end);
+
+        start &= PGDIR_MASK;
+        if (start < floor)
+                return;
+        if (ceiling) {
+                ceiling &= PGDIR_MASK;
+                if (!ceiling)
+                        return;
+        }
+        if (end - 1 > ceiling - 1)
+                return;
+
+        pud = pud_offset(pgd, start);
+        pgd_clear(pgd);
+        pud_free_tlb(tlb, pud);
+}
+
+/*
+ * This function frees user-level page tables of a process.
+ *
+ * Must be called with pagetable lock held.
+ */
+void hugetlb_free_pgd_range(struct mmu_gather **tlb,
+                            unsigned long addr, unsigned long end,
+                            unsigned long floor, unsigned long ceiling)
+{
+        pgd_t *pgd;
+        unsigned long next;
+        unsigned long start;
+
+        /*
+         * Comments below take from the normal free_pgd_range().  They
+         * apply here too.  The tests against HUGEPD_MASK below are
+         * essential, because we *don't* test for this at the bottom
+         * level.  Without them we'll attempt to free a hugepte table
+         * when we unmap just part of it, even if there are other
+         * active mappings using it.
+         *
+         * The next few lines have given us lots of grief...
+         *
+         * Why are we testing HUGEPD* at this top level?  Because
+         * often there will be no work to do at all, and we'd prefer
+         * not to go all the way down to the bottom just to discover
+         * that.
+         *
+         * Why all these "- 1"s?  Because 0 represents both the bottom
+         * of the address space and the top of it (using -1 for the
+         * top wouldn't help much: the masks would do the wrong thing).
+         * The rule is that addr 0 and floor 0 refer to the bottom of
+         * the address space, but end 0 and ceiling 0 refer to the top
+         * Comparisons need to use "end - 1" and "ceiling - 1" (though
+         * that end 0 case should be mythical).
+         *
+         * Wherever addr is brought up or ceiling brought down, we
+         * must be careful to reject "the opposite 0" before it
+         * confuses the subsequent tests.  But what about where end is
+         * brought down by HUGEPD_SIZE below? no, end can't go down to
+         * 0 there.
+         *
+         * Whereas we round start (addr) and ceiling down, by different
+         * masks at different levels, in order to test whether a table
+         * now has no other vmas using it, so can be freed, we don't
+         * bother to round floor or end up - the tests don't need that.
+         */
+
+        addr &= HUGEPD_MASK;
+        if (addr < floor) {
+                addr += HUGEPD_SIZE;
+                if (!addr)
+                        return;
+        }
+        if (ceiling) {
+                ceiling &= HUGEPD_MASK;
+                if (!ceiling)
+                        return;
+        }
+        if (end - 1 > ceiling - 1)
+                end -= HUGEPD_SIZE;
+        if (addr > end - 1)
+                return;
+
+        start = addr;
+        pgd = pgd_offset((*tlb)->mm, addr);
+        do {
+                BUG_ON(! in_hugepage_area((*tlb)->mm->context, addr));
+                next = pgd_addr_end(addr, end);
+                if (pgd_none_or_clear_bad(pgd))
+                        continue;
+                hugetlb_free_pud_range(*tlb, pgd, addr, next, floor, ceiling);
+        } while (pgd++, addr = next, addr != end);
 }
 
 void set_huge_pte_at(struct mm_struct *mm, unsigned long addr,
@@ -841,3 +1040,27 @@ repeat:
  out:
         return err;
 }
+
+static void zero_ctor(void *addr, kmem_cache_t *cache, unsigned long flags)
+{
+        memset(addr, 0, kmem_cache_size(cache));
+}
+
+static int __init hugetlbpage_init(void)
+{
+        if (!cpu_has_feature(CPU_FTR_16M_PAGE))
+                return -ENODEV;
+
+        huge_pgtable_cache = kmem_cache_create("hugepte_cache",
+                                               HUGEPTE_TABLE_SIZE,
+                                               HUGEPTE_TABLE_SIZE,
+                                               SLAB_HWCACHE_ALIGN |
+                                               SLAB_MUST_HWCACHE_ALIGN,
+                                               zero_ctor, NULL);
+        if (! huge_pgtable_cache)
+                panic("hugetlbpage_init(): could not create hugepte cache\n");
+
+        return 0;
+}
+
+module_init(hugetlbpage_init);
diff --git a/arch/powerpc/mm/init_64.c b/arch/powerpc/mm/init_64.c
index babebd15bdc4..9e30f968c184 100644
--- a/arch/powerpc/mm/init_64.c
+++ b/arch/powerpc/mm/init_64.c
@@ -162,7 +162,14 @@ static const char *pgtable_cache_name[ARRAY_SIZE(pgtable_cache_size)] = {
 };
 #endif /* CONFIG_PPC_64K_PAGES */
 
+#ifdef CONFIG_HUGETLB_PAGE
+/* Hugepages need one extra cache, initialized in hugetlbpage.c.  We
+ * can't put into the tables above, because HPAGE_SHIFT is not compile
+ * time constant. */
+kmem_cache_t *pgtable_cache[ARRAY_SIZE(pgtable_cache_size)+1];
+#else
 kmem_cache_t *pgtable_cache[ARRAY_SIZE(pgtable_cache_size)];
+#endif
 
 void pgtable_cache_init(void)
 {
diff --git a/arch/powerpc/platforms/cell/spu_base.c b/arch/powerpc/platforms/cell/spu_base.c
index 269dda4fd0b4..ef47a6239d48 100644
--- a/arch/powerpc/platforms/cell/spu_base.c
+++ b/arch/powerpc/platforms/cell/spu_base.c
@@ -306,19 +306,19 @@ spu_request_irqs(struct spu *spu)
 
         snprintf(spu->irq_c0, sizeof (spu->irq_c0), "spe%02d.0", spu->number);
         ret = request_irq(irq_base + spu->isrc,
-                 spu_irq_class_0, 0, spu->irq_c0, spu);
+                 spu_irq_class_0, SA_INTERRUPT, spu->irq_c0, spu);
         if (ret)
                 goto out;
 
         snprintf(spu->irq_c1, sizeof (spu->irq_c1), "spe%02d.1", spu->number);
         ret = request_irq(irq_base + IIC_CLASS_STRIDE + spu->isrc,
-                 spu_irq_class_1, 0, spu->irq_c1, spu);
+                 spu_irq_class_1, SA_INTERRUPT, spu->irq_c1, spu);
         if (ret)
                 goto out1;
 
         snprintf(spu->irq_c2, sizeof (spu->irq_c2), "spe%02d.2", spu->number);
         ret = request_irq(irq_base + 2*IIC_CLASS_STRIDE + spu->isrc,
-                 spu_irq_class_2, 0, spu->irq_c2, spu);
+                 spu_irq_class_2, SA_INTERRUPT, spu->irq_c2, spu);
         if (ret)
                 goto out2;
         goto out;
@@ -487,10 +487,14 @@ int spu_irq_class_1_bottom(struct spu *spu)
         ea = spu->dar;
         dsisr = spu->dsisr;
         if (dsisr & (MFC_DSISR_PTE_NOT_FOUND | MFC_DSISR_ACCESS_DENIED)) {
+                u64 flags;
+
                 access = (_PAGE_PRESENT | _PAGE_USER);
                 access |= (dsisr & MFC_DSISR_ACCESS_PUT) ? _PAGE_RW : 0UL;
+                local_irq_save(flags);
                 if (hash_page(ea, access, 0x300) != 0)
                         error |= CLASS1_ENABLE_STORAGE_FAULT_INTR;
+                local_irq_restore(flags);
         }
         if (error & CLASS1_ENABLE_STORAGE_FAULT_INTR) {
                 if ((ret = spu_handle_mm_fault(spu)) != 0)
diff --git a/arch/powerpc/platforms/cell/spu_callbacks.c b/arch/powerpc/platforms/cell/spu_callbacks.c
index b283380a2a18..95b36430aa0f 100644
--- a/arch/powerpc/platforms/cell/spu_callbacks.c
+++ b/arch/powerpc/platforms/cell/spu_callbacks.c
@@ -319,6 +319,19 @@ void *spu_syscall_table[] = {
         [__NR_splice]                   sys_splice,
         [__NR_tee]                      sys_tee,
         [__NR_vmsplice]                 sys_vmsplice,
+        [__NR_openat]                   sys_openat,
+        [__NR_mkdirat]                  sys_mkdirat,
+        [__NR_mknodat]                  sys_mknodat,
+        [__NR_fchownat]                 sys_fchownat,
+        [__NR_futimesat]                sys_futimesat,
+        [__NR_newfstatat]               sys_newfstatat,
+        [__NR_unlinkat]                 sys_unlinkat,
+        [__NR_renameat]                 sys_renameat,
+        [__NR_linkat]                   sys_linkat,
+        [__NR_symlinkat]                sys_symlinkat,
+        [__NR_readlinkat]               sys_readlinkat,
+        [__NR_fchmodat]                 sys_fchmodat,
+        [__NR_faccessat]                sys_faccessat,
 };
 
 long spu_sys_callback(struct spu_syscall_block *s)
diff --git a/arch/ppc/platforms/4xx/ocotea.c b/arch/ppc/platforms/4xx/ocotea.c
index f841972f1fa9..554776d4b8ac 100644
--- a/arch/ppc/platforms/4xx/ocotea.c
+++ b/arch/ppc/platforms/4xx/ocotea.c
@@ -331,7 +331,7 @@ static void __init ocotea_init(void)
 void __init platform_init(unsigned long r3, unsigned long r4,
                 unsigned long r5, unsigned long r6, unsigned long r7)
 {
-        ibm44x_platform_init(r3, r4, r5, r6, r7);
+        ibm440gx_platform_init(r3, r4, r5, r6, r7);
 
         ppc_md.setup_arch = ocotea_setup_arch;
         ppc_md.show_cpuinfo = ocotea_show_cpuinfo;
diff --git a/arch/ppc/platforms/mpc8272ads_setup.c b/arch/ppc/platforms/mpc8272ads_setup.c
index bc9b94f77e39..e62b75707f7a 100644
--- a/arch/ppc/platforms/mpc8272ads_setup.c
+++ b/arch/ppc/platforms/mpc8272ads_setup.c
@@ -26,11 +26,35 @@
 #include <asm/irq.h>
 #include <asm/ppc_sys.h>
 #include <asm/ppcboot.h>
+#include <linux/fs_uart_pd.h>
 
 #include "pq2ads_pd.h"
 
 static void init_fcc1_ioports(void);
 static void init_fcc2_ioports(void);
+static void init_scc1_uart_ioports(void);
+static void init_scc4_uart_ioports(void);
+
+static struct fs_uart_platform_info mpc8272_uart_pdata[] = {
+        [fsid_scc1_uart] = {
+                .init_ioports   = init_scc1_uart_ioports,
+                .fs_no          = fsid_scc1_uart,
+                .brg            = 1,
+                .tx_num_fifo    = 4,
+                .tx_buf_size    = 32,
+                .rx_num_fifo    = 4,
+                .rx_buf_size    = 32,
+        },
+        [fsid_scc4_uart] = {
+                .init_ioports   = init_scc4_uart_ioports,
+                .fs_no          = fsid_scc4_uart,
+                .brg            = 4,
+                .tx_num_fifo    = 4,
+                .tx_buf_size    = 32,
+                .rx_num_fifo    = 4,
+                .rx_buf_size    = 32,
+        },
+};
 
 static struct fs_mii_bus_info mii_bus_info = {
         .method                 = fsmii_bitbang,
@@ -201,6 +225,55 @@ static void __init mpc8272ads_fixup_enet_pdata(struct platform_device *pdev,
         }
 }
 
+static void mpc8272ads_fixup_uart_pdata(struct platform_device *pdev,
+                                              int idx)
+{
+        bd_t *bd = (bd_t *) __res;
+        struct fs_uart_platform_info *pinfo;
+        int num = ARRAY_SIZE(mpc8272_uart_pdata);
+        int id = fs_uart_id_scc2fsid(idx);
+
+        /* no need to alter anything if console */
+        if ((id <= num) && (!pdev->dev.platform_data)) {
+                pinfo = &mpc8272_uart_pdata[id];
+                pinfo->uart_clk = bd->bi_intfreq;
+                pdev->dev.platform_data = pinfo;
+        }
+}
+
+static void init_scc1_uart_ioports(void)
+{
+        cpm2_map_t* immap = ioremap(CPM_MAP_ADDR, sizeof(cpm2_map_t));
+
+        /* SCC1 is only on port D */
+        setbits32(&immap->im_ioport.iop_ppard,0x00000003);
+        clrbits32(&immap->im_ioport.iop_psord,0x00000001);
+        setbits32(&immap->im_ioport.iop_psord,0x00000002);
+        clrbits32(&immap->im_ioport.iop_pdird,0x00000001);
+        setbits32(&immap->im_ioport.iop_pdird,0x00000002);
+
+        /* Wire BRG1 to SCC1 */
+        clrbits32(&immap->im_cpmux.cmx_scr,0x00ffffff);
+
+        iounmap(immap);
+}
+
+static void init_scc4_uart_ioports(void)
+{
+        cpm2_map_t* immap = ioremap(CPM_MAP_ADDR, sizeof(cpm2_map_t));
+
+        setbits32(&immap->im_ioport.iop_ppard,0x00000600);
+        clrbits32(&immap->im_ioport.iop_psord,0x00000600);
+        clrbits32(&immap->im_ioport.iop_pdird,0x00000200);
+        setbits32(&immap->im_ioport.iop_pdird,0x00000400);
+
+        /* Wire BRG4 to SCC4 */
+        clrbits32(&immap->im_cpmux.cmx_scr,0x000000ff);
+        setbits32(&immap->im_cpmux.cmx_scr,0x0000001b);
+
+        iounmap(immap);
+}
+
 static int mpc8272ads_platform_notify(struct device *dev)
 {
         static const struct platform_notify_dev_map dev_map[] = {
@@ -209,6 +282,10 @@ static int mpc8272ads_platform_notify(struct device *dev)
                         .rtn = mpc8272ads_fixup_enet_pdata
                 },
                 {
+                        .bus_id = "fsl-cpm-scc:uart",
+                        .rtn = mpc
+                },
+                {
                         .bus_id = NULL
                 }
         };
@@ -230,7 +307,44 @@ int __init mpc8272ads_init(void)
         ppc_sys_device_enable(MPC82xx_CPM_FCC1);
         ppc_sys_device_enable(MPC82xx_CPM_FCC2);
 
+        /* to be ready for console, let's attach pdata here */
+#ifdef CONFIG_SERIAL_CPM_SCC1
+        ppc_sys_device_setfunc(MPC82xx_CPM_SCC1, PPC_SYS_FUNC_UART);
+        ppc_sys_device_enable(MPC82xx_CPM_SCC1);
+
+#endif
+
+#ifdef CONFIG_SERIAL_CPM_SCC4
+        ppc_sys_device_setfunc(MPC82xx_CPM_SCC4, PPC_SYS_FUNC_UART);
+        ppc_sys_device_enable(MPC82xx_CPM_SCC4);
+#endif
+
+
         return 0;
 }
 
+/*
+   To prevent confusion, console selection is gross:
+   by 0 assumed SCC1 and by 1 assumed SCC4
+ */
+struct platform_device* early_uart_get_pdev(int index)
+{
+        bd_t *bd = (bd_t *) __res;
+        struct fs_uart_platform_info *pinfo;
+
+        struct platform_device* pdev = NULL;
+        if(index) { /*assume SCC4 here*/
+                pdev = &ppc_sys_platform_devices[MPC82xx_CPM_SCC4];
+                pinfo = &mpc8272<F12>_uart_pdata[1];
+        } else { /*over SCC1*/
+                pdev = &ppc_sys_platform_devices[MPC82xx_CPM_SCC1];
+                pinfo = &mpc8272_uart_pdata[0];
+        }
+
+        pinfo->uart_clk = bd->bi_intfreq;
+        pdev->dev.platform_data = pinfo;
+        ppc_sys_fixup_mem_resource(pdev, IMAP_ADDR);
+        return NULL;
+}
+
 arch_initcall(mpc8272ads_init);
diff --git a/arch/ppc/platforms/mpc866ads_setup.c b/arch/ppc/platforms/mpc866ads_setup.c
index ac8fcc68afeb..6ce3b842defe 100644
--- a/arch/ppc/platforms/mpc866ads_setup.c
+++ b/arch/ppc/platforms/mpc866ads_setup.c
@@ -20,6 +20,7 @@
 #include <linux/device.h>
 
 #include <linux/fs_enet_pd.h>
+#include <linux/fs_uart_pd.h>
 #include <linux/mii.h>
 
 #include <asm/delay.h>
@@ -37,6 +38,11 @@
 
 extern unsigned char __res[];
 
+static void setup_fec1_ioports(void);
+static void setup_scc1_ioports(void);
+static void setup_smc1_ioports(void);
+static void setup_smc2_ioports(void);
+
 static struct fs_mii_bus_info fec_mii_bus_info = {
         .method = fsmii_fec,
         .id = 0,
@@ -79,6 +85,28 @@ static struct fs_platform_info mpc8xx_scc_pdata = {
         .phy_irq = -1,
 
         .bus_info = &scc_mii_bus_info,
+
+};
+
+static struct fs_uart_platform_info mpc866_uart_pdata[] = {
+        [fsid_smc1_uart] = {
+                .brg            = 1,
+                .fs_no          = fsid_smc1_uart,
+                .init_ioports   = setup_smc1_ioports,
+                .tx_num_fifo    = 4,
+                .tx_buf_size    = 32,
+                .rx_num_fifo    = 4,
+                .rx_buf_size    = 32,
+        },
+        [fsid_smc2_uart] = {
+                .brg            = 2,
+                .fs_no          = fsid_smc2_uart,
+                .init_ioports   = setup_smc2_ioports,
+                .tx_num_fifo    = 4,
+                .tx_buf_size    = 32,
+                .rx_num_fifo    = 4,
+                .rx_buf_size    = 32,
+        },
 };
 
 void __init board_init(void)
@@ -92,9 +120,12 @@ void __init board_init(void)
                 printk(KERN_CRIT "Could not remap BCSR1\n");
                 return;
         }
+
 #ifdef CONFIG_SERIAL_CPM_SMC1
         cp->cp_simode &= ~(0xe0000000 >> 17);   /* brg1 */
         clrbits32(bcsr_io,(0x80000000 >> 7));
+        cp->cp_smc[0].smc_smcm |= (SMCM_RX | SMCM_TX);
+        cp->cp_smc[0].smc_smcmr &= ~(SMCMR_REN | SMCMR_TEN);
 #else
         setbits32(bcsr_io,(0x80000000 >> 7));
 
@@ -108,6 +139,8 @@ void __init board_init(void)
         cp->cp_simode &= ~(0xe0000000 >> 1);
         cp->cp_simode |= (0x20000000 >> 1);     /* brg2 */
         clrbits32(bcsr_io,(0x80000000 >> 13));
+        cp->cp_smc[1].smc_smcm |= (SMCM_RX | SMCM_TX);
+        cp->cp_smc[1].smc_smcmr &= ~(SMCMR_REN | SMCMR_TEN);
 #else
         clrbits32(bcsr_io,(0x80000000 >> 13));
         cp->cp_pbpar &= ~(0x00000c00);
@@ -232,6 +265,74 @@ static void mpc866ads_fixup_scc_enet_pdata(struct platform_device *pdev,
         mpc866ads_fixup_enet_pdata(pdev, fsid_scc1 + pdev->id - 1);
 }
 
+static void setup_smc1_ioports(void)
+{
+        immap_t *immap = (immap_t *) IMAP_ADDR;
+        unsigned *bcsr_io;
+        unsigned int iobits = 0x000000c0;
+
+        bcsr_io = ioremap(BCSR1, sizeof(unsigned long));
+
+        if (bcsr_io == NULL) {
+                printk(KERN_CRIT "Could not remap BCSR1\n");
+                return;
+        }
+
+        clrbits32(bcsr_io,BCSR1_RS232EN_1);
+        iounmap(bcsr_io);
+
+        setbits32(&immap->im_cpm.cp_pbpar, iobits);
+        clrbits32(&immap->im_cpm.cp_pbdir, iobits);
+        clrbits16(&immap->im_cpm.cp_pbodr, iobits);
+
+}
+
+static void setup_smc2_ioports(void)
+{
+        immap_t *immap = (immap_t *) IMAP_ADDR;
+        unsigned *bcsr_io;
+        unsigned int iobits = 0x00000c00;
+
+        bcsr_io = ioremap(BCSR1, sizeof(unsigned long));
+
+        if (bcsr_io == NULL) {
+                printk(KERN_CRIT "Could not remap BCSR1\n");
+                return;
+        }
+
+        clrbits32(bcsr_io,BCSR1_RS232EN_2);
+
+        iounmap(bcsr_io);
+
+#ifndef CONFIG_SERIAL_CPM_ALT_SMC2
+        setbits32(&immap->im_cpm.cp_pbpar, iobits);
+        clrbits32(&immap->im_cpm.cp_pbdir, iobits);
+        clrbits16(&immap->im_cpm.cp_pbodr, iobits);
+#else
+        setbits16(&immap->im_ioport.iop_papar, iobits);
+        clrbits16(&immap->im_ioport.iop_padir, iobits);
+        clrbits16(&immap->im_ioport.iop_paodr, iobits);
+#endif
+
+}
+
+static void __init mpc866ads_fixup_uart_pdata(struct platform_device *pdev,
+                                              int idx)
+{
+        bd_t *bd = (bd_t *) __res;
+        struct fs_uart_platform_info *pinfo;
+        int num = ARRAY_SIZE(mpc866_uart_pdata);
+
+        int id = fs_uart_id_smc2fsid(idx);
+
+        /* no need to alter anything if console */
+        if ((id <= num) && (!pdev->dev.platform_data)) {
+                pinfo = &mpc866_uart_pdata[id];
+                pinfo->uart_clk = bd->bi_intfreq;
+                pdev->dev.platform_data = pinfo;
+        }
+}
+
 static int mpc866ads_platform_notify(struct device *dev)
 {
         static const struct platform_notify_dev_map dev_map[] = {
@@ -244,6 +345,10 @@ static int mpc866ads_platform_notify(struct device *dev)
                         .rtn = mpc866ads_fixup_scc_enet_pdata,
                 },
                 {
+                        .bus_id = "fsl-cpm-smc:uart",
+                        .rtn = mpc866ads_fixup_uart_pdata
+                },
+                {
                         .bus_id = NULL
                 }
         };
@@ -267,7 +372,42 @@ int __init mpc866ads_init(void)
 #endif
         ppc_sys_device_enable(MPC8xx_CPM_FEC1);
 
+/* Since either of the uarts could be used as console, they need to ready */
+#ifdef CONFIG_SERIAL_CPM_SMC1
+        ppc_sys_device_enable(MPC8xx_CPM_SMC1);
+        ppc_sys_device_setfunc(MPC8xx_CPM_SMC1, PPC_SYS_FUNC_UART);
+#endif
+
+#ifdef CONFIG_SERIAL_CPM_SMCer
+        ppc_sys_device_enable(MPC8xx_CPM_SMC2);
+        ppc_sys_device_setfunc(MPC8xx_CPM_SMC2, PPC_SYS_FUNC_UART);
+#endif
+
         return 0;
 }
 
+/*
+   To prevent confusion, console selection is gross:
+   by 0 assumed SMC1 and by 1 assumed SMC2
+ */
+struct platform_device* early_uart_get_pdev(int index)
+{
+        bd_t *bd = (bd_t *) __res;
+        struct fs_uart_platform_info *pinfo;
+
+        struct platform_device* pdev = NULL;
+        if(index) { /*assume SMC2 here*/
+                pdev = &ppc_sys_platform_devices[MPC8xx_CPM_SMC2];
+                pinfo = &mpc866_uart_pdata[1];
+        } else { /*over SMC1*/
+                pdev = &ppc_sys_platform_devices[MPC8xx_CPM_SMC1];
+                pinfo = &mpc866_uart_pdata[0];
+        }
+
+        pinfo->uart_clk = bd->bi_intfreq;
+        pdev->dev.platform_data = pinfo;
+        ppc_sys_fixup_mem_resource(pdev, IMAP_ADDR);
+        return NULL;
+}
+
 arch_initcall(mpc866ads_init);
diff --git a/arch/ppc/platforms/mpc885ads_setup.c b/arch/ppc/platforms/mpc885ads_setup.c
index 50a99e5f7c68..4b88679cd31c 100644
--- a/arch/ppc/platforms/mpc885ads_setup.c
+++ b/arch/ppc/platforms/mpc885ads_setup.c
@@ -20,6 +20,7 @@
 #include <linux/device.h>
 
 #include <linux/fs_enet_pd.h>
+#include <linux/fs_uart_pd.h>
 #include <linux/mii.h>
 
 #include <asm/delay.h>
@@ -35,9 +36,32 @@
 #include <asm/ppc_sys.h>
 
 extern unsigned char __res[];
+static void setup_smc1_ioports(void);
+static void setup_smc2_ioports(void);
 
 static void __init mpc885ads_scc_phy_init(char);
 
+static struct fs_uart_platform_info mpc885_uart_pdata[] = {
+        [fsid_smc1_uart] = {
+                .brg            = 1,
+                .fs_no          = fsid_smc1_uart,
+                .init_ioports   = setup_smc1_ioports,
+                .tx_num_fifo    = 4,
+                .tx_buf_size    = 32,
+                .rx_num_fifo    = 4,
+                .rx_buf_size    = 32,
+        },
+        [fsid_smc2_uart] = {
+                .brg            = 2,
+                .fs_no          = fsid_smc2_uart,
+                .init_ioports   = setup_smc2_ioports,
+                .tx_num_fifo    = 4,
+                .tx_buf_size    = 32,
+                .rx_num_fifo    = 4,
+                .rx_buf_size    = 32,
+        },
+};
+
 static struct fs_mii_bus_info fec_mii_bus_info = {
         .method = fsmii_fec,
         .id = 0,
@@ -116,6 +140,8 @@ void __init board_init(void)
 #ifdef CONFIG_SERIAL_CPM_SMC1
         cp->cp_simode &= ~(0xe0000000 >> 17);   /* brg1 */
         clrbits32(bcsr_io, BCSR1_RS232EN_1);
+        cp->cp_smc[0].smc_smcm |= (SMCM_RX | SMCM_TX);
+        cp->cp_smc[0].smc_smcmr &= ~(SMCMR_REN | SMCMR_TEN);
 #else
         setbits32(bcsr_io,BCSR1_RS232EN_1);
         cp->cp_smc[0].smc_smcmr = 0;
@@ -126,6 +152,8 @@ void __init board_init(void)
         cp->cp_simode &= ~(0xe0000000 >> 1);
         cp->cp_simode |= (0x20000000 >> 1);     /* brg2 */
         clrbits32(bcsr_io,BCSR1_RS232EN_2);
+        cp->cp_smc[1].smc_smcm |= (SMCM_RX | SMCM_TX);
+        cp->cp_smc[1].smc_smcmr &= ~(SMCMR_REN | SMCMR_TEN);
 #else
         setbits32(bcsr_io,BCSR1_RS232EN_2);
         cp->cp_smc[1].smc_smcmr = 0;
@@ -343,6 +371,70 @@ static void mpc885ads_scc_phy_init(char phy_addr)
         out_be32(&fecp->fec_mii_speed, 0);
 }
 
+static void setup_smc1_ioports(void)
+{
+        immap_t *immap = (immap_t *) IMAP_ADDR;
+        unsigned *bcsr_io;
+        unsigned int iobits = 0x000000c0;
+
+        bcsr_io = ioremap(BCSR1, sizeof(unsigned long));
+
+        if (bcsr_io == NULL) {
+                printk(KERN_CRIT "Could not remap BCSR1\n");
+                return;
+        }
+        clrbits32(bcsr_io,BCSR1_RS232EN_1);
+        iounmap(bcsr_io);
+
+        setbits32(&immap->im_cpm.cp_pbpar, iobits);
+        clrbits32(&immap->im_cpm.cp_pbdir, iobits);
+        clrbits16(&immap->im_cpm.cp_pbodr, iobits);
+}
+
+static void setup_smc2_ioports(void)
+{
+        immap_t *immap = (immap_t *) IMAP_ADDR;
+        unsigned *bcsr_io;
+        unsigned int iobits = 0x00000c00;
+
+        bcsr_io = ioremap(BCSR1, sizeof(unsigned long));
+
+        if (bcsr_io == NULL) {
+                printk(KERN_CRIT "Could not remap BCSR1\n");
+                return;
+        }
+        clrbits32(bcsr_io,BCSR1_RS232EN_2);
+        iounmap(bcsr_io);
+
+#ifndef CONFIG_SERIAL_CPM_ALT_SMC2
+        setbits32(&immap->im_cpm.cp_pbpar, iobits);
+        clrbits32(&immap->im_cpm.cp_pbdir, iobits);
+        clrbits16(&immap->im_cpm.cp_pbodr, iobits);
+#else
+        setbits16(&immap->im_ioport.iop_papar, iobits);
+        clrbits16(&immap->im_ioport.iop_padir, iobits);
+        clrbits16(&immap->im_ioport.iop_paodr, iobits);
+#endif
+}
+
+static void __init mpc885ads_fixup_uart_pdata(struct platform_device *pdev,
+                                              int idx)
+{
+        bd_t *bd = (bd_t *) __res;
+        struct fs_uart_platform_info *pinfo;
+        int num = ARRAY_SIZE(mpc885_uart_pdata);
+
+        int id = fs_uart_id_smc2fsid(idx);
+
+        /* no need to alter anything if console */
+        if ((id <= num) && (!pdev->dev.platform_data)) {
+                pinfo = &mpc885_uart_pdata[id];
+                pinfo->uart_clk = bd->bi_intfreq;
+                pdev->dev.platform_data = pinfo;
+        }
+}
+
+
 static int mpc885ads_platform_notify(struct device *dev)
 {
 
@@ -356,12 +448,17 @@ static int mpc885ads_platform_notify(struct device *dev)
                         .rtn = mpc885ads_fixup_scc_enet_pdata,
                 },
                 {
+                        .bus_id = "fsl-cpm-smc:uart",
+                        .rtn = mpc885ads_fixup_uart_pdata
+                },
+                {
                         .bus_id = NULL
                 }
         };
 
         platform_notify_map(dev_map,dev);
 
+        return 0;
 }
 
 int __init mpc885ads_init(void)
@@ -383,7 +480,41 @@ int __init mpc885ads_init(void)
         ppc_sys_device_enable(MPC8xx_CPM_FEC2);
 #endif
 
+#ifdef CONFIG_SERIAL_CPM_SMC1
+        ppc_sys_device_enable(MPC8xx_CPM_SMC1);
+        ppc_sys_device_setfunc(MPC8xx_CPM_SMC1, PPC_SYS_FUNC_UART);
+#endif
+
+#ifdef CONFIG_SERIAL_CPM_SMC2
+        ppc_sys_device_enable(MPC8xx_CPM_SMC2);
+        ppc_sys_device_setfunc(MPC8xx_CPM_SMC2, PPC_SYS_FUNC_UART);
+#endif
         return 0;
 }
 
 arch_initcall(mpc885ads_init);
+
+/*
+   To prevent confusion, console selection is gross:
+   by 0 assumed SMC1 and by 1 assumed SMC2
+ */
+struct platform_device* early_uart_get_pdev(int index)
+{
+        bd_t *bd = (bd_t *) __res;
+        struct fs_uart_platform_info *pinfo;
+
+        struct platform_device* pdev = NULL;
+        if(index) { /*assume SMC2 here*/
+                pdev = &ppc_sys_platform_devices[MPC8xx_CPM_SMC2];
+                pinfo = &mpc885_uart_pdata[1];
+        } else { /*over SMC1*/
+                pdev = &ppc_sys_platform_devices[MPC8xx_CPM_SMC1];
+                pinfo = &mpc885_uart_pdata[0];
+        }
+
+        pinfo->uart_clk = bd->bi_intfreq;
+        pdev->dev.platform_data = pinfo;
+        ppc_sys_fixup_mem_resource(pdev, IMAP_ADDR);
+        return NULL;
+}
+
diff --git a/arch/ppc/platforms/pq2ads.c b/arch/ppc/platforms/pq2ads.c
index 3365fd788a7a..7fc2e02f5246 100644
--- a/arch/ppc/platforms/pq2ads.c
+++ b/arch/ppc/platforms/pq2ads.c
@@ -14,11 +14,40 @@
 
 #include <linux/init.h>
 
+#include <asm/io.h>
 #include <asm/mpc8260.h>
+#include <asm/cpm2.h>
+#include <asm/immap_cpm2.h>
 
 void __init
 m82xx_board_setup(void)
 {
+        cpm2_map_t* immap = ioremap(CPM_MAP_ADDR, sizeof(cpm2_map_t));
+        u32 *bcsr = ioremap(BCSR_ADDR+4, sizeof(u32));
+
         /* Enable the 2nd UART port */
-        *(volatile uint *)(BCSR_ADDR + 4) &= ~BCSR1_RS232_EN2;
+        clrbits32(bcsr, BCSR1_RS232_EN2);
+
+#ifdef CONFIG_SERIAL_CPM_SCC1
+        clrbits32((u32*)&immap->im_scc[0].scc_sccm, UART_SCCM_TX | UART_SCCM_RX);
+        clrbits32((u32*)&immap->im_scc[0].scc_gsmrl, SCC_GSMRL_ENR | SCC_GSMRL_ENT);
+#endif
+
+#ifdef CONFIG_SERIAL_CPM_SCC2
+        clrbits32((u32*)&immap->im_scc[1].scc_sccm, UART_SCCM_TX | UART_SCCM_RX);
+        clrbits32((u32*)&immap->im_scc[1].scc_gsmrl, SCC_GSMRL_ENR | SCC_GSMRL_ENT);
+#endif
+
+#ifdef CONFIG_SERIAL_CPM_SCC3
+        clrbits32((u32*)&immap->im_scc[2].scc_sccm, UART_SCCM_TX | UART_SCCM_RX);
+        clrbits32((u32*)&immap->im_scc[2].scc_gsmrl, SCC_GSMRL_ENR | SCC_GSMRL_ENT);
+#endif
+
+#ifdef CONFIG_SERIAL_CPM_SCC4
+        clrbits32((u32*)&immap->im_scc[3].scc_sccm, UART_SCCM_TX | UART_SCCM_RX);
+        clrbits32((u32*)&immap->im_scc[3].scc_gsmrl, SCC_GSMRL_ENR | SCC_GSMRL_ENT);
+#endif
+
+        iounmap(bcsr);
+        iounmap(immap);
 }
diff --git a/arch/ppc/syslib/ibm440gx_common.c b/arch/ppc/syslib/ibm440gx_common.c
index a7dd55f1c63e..f6cc16888527 100644
--- a/arch/ppc/syslib/ibm440gx_common.c
+++ b/arch/ppc/syslib/ibm440gx_common.c
@@ -2,7 +2,7 @@
  * PPC440GX system library
  *
  * Eugene Surovegin <eugene.surovegin@zultys.com> or <ebs@ebshome.net>
- * Copyright (c) 2003, 2004 Zultys Technologies
+ * Copyright (c) 2003 - 2006 Zultys Technologies
  *
  * 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
@@ -282,3 +282,14 @@ int ibm440gx_show_cpuinfo(struct seq_file *m){
         return 0;
 }
 
+void __init ibm440gx_platform_init(unsigned long r3, unsigned long r4,
+                                   unsigned long r5, unsigned long r6,
+                                   unsigned long r7)
+{
+        /* Erratum 440_43 workaround, disable L1 cache parity checking */
+        if (!strcmp(cur_cpu_spec->cpu_name, "440GX Rev. C") ||
+            !strcmp(cur_cpu_spec->cpu_name, "440GX Rev. F"))
+                mtspr(SPRN_CCR1, mfspr(SPRN_CCR1) | CCR1_DPC);
+
+        ibm44x_platform_init(r3, r4, r5, r6, r7);
+}
diff --git a/arch/ppc/syslib/ibm440gx_common.h b/arch/ppc/syslib/ibm440gx_common.h
index a2ab9fab8e34..a03ec6022e8f 100644
--- a/arch/ppc/syslib/ibm440gx_common.h
+++ b/arch/ppc/syslib/ibm440gx_common.h
@@ -29,6 +29,10 @@
 void ibm440gx_get_clocks(struct ibm44x_clocks*, unsigned int sys_clk,
         unsigned int ser_clk) __init;
 
+/* common 440GX platform init */
+void ibm440gx_platform_init(unsigned long r3, unsigned long r4, unsigned long r5,
+                            unsigned long r6, unsigned long r7) __init;
+
 /* Enable L2 cache */
 void ibm440gx_l2c_enable(void) __init;
 
diff --git a/arch/ppc/syslib/mpc8xx_devices.c b/arch/ppc/syslib/mpc8xx_devices.c
index bd41ed83beb3..6f536383866e 100644
--- a/arch/ppc/syslib/mpc8xx_devices.c
+++ b/arch/ppc/syslib/mpc8xx_devices.c
@@ -170,12 +170,18 @@ struct platform_device ppc_sys_platform_devices[] = {
         [MPC8xx_CPM_SMC1] = {
                 .name = "fsl-cpm-smc",
                 .id     = 1,
-                .num_resources  = 2,
+                .num_resources  = 3,
                 .resource = (struct resource[]) {
                         {
                                 .name   = "regs",
-                                .start  = 0xa82,
-                                .end    = 0xa91,
+                                .start  = 0xa80,
+                                .end    = 0xa8f,
+                                .flags  = IORESOURCE_MEM,
+                        },
+                        {
+                                .name   = "pram",
+                                .start  = 0x3e80,
+                                .end    = 0x3ebf,
                                 .flags  = IORESOURCE_MEM,
                         },
                         {
@@ -189,15 +195,22 @@ struct platform_device ppc_sys_platform_devices[] = {
         [MPC8xx_CPM_SMC2] = {
                 .name = "fsl-cpm-smc",
                 .id     = 2,
-                .num_resources  = 2,
+                .num_resources  = 3,
                 .resource = (struct resource[]) {
                         {
                                 .name   = "regs",
-                                .start  = 0xa92,
-                                .end    = 0xaa1,
+                                .start  = 0xa90,
+                                .end    = 0xa9f,
                                 .flags  = IORESOURCE_MEM,
                         },
                         {
+                                .name   = "pram",
+                                .start  = 0x3f80,
+                                .end    = 0x3fbf,
+                                .flags  = IORESOURCE_MEM,
+
+                        },
+                        {
                                 .name   = "interrupt",
                                 .start  = MPC8xx_INT_SMC2,
                                 .end    = MPC8xx_INT_SMC2,
diff --git a/arch/ppc/syslib/ppc_sys.c b/arch/ppc/syslib/ppc_sys.c
index 7662c4e6e7d6..2d48018b71d9 100644
--- a/arch/ppc/syslib/ppc_sys.c
+++ b/arch/ppc/syslib/ppc_sys.c
@@ -109,9 +109,11 @@ ppc_sys_fixup_mem_resource(struct platform_device *pdev, phys_addr_t paddr)
         int i;
         for (i = 0; i < pdev->num_resources; i++) {
                 struct resource *r = &pdev->resource[i];
-                if ((r->flags & IORESOURCE_MEM) == IORESOURCE_MEM) {
+                if (((r->flags & IORESOURCE_MEM) == IORESOURCE_MEM) && 
+                        ((r->flags & PPC_SYS_IORESOURCE_FIXUPPED) != PPC_SYS_IORESOURCE_FIXUPPED)) {
                         r->start += paddr;
                         r->end += paddr;
+                        r->flags |= PPC_SYS_IORESOURCE_FIXUPPED;
                 }
         }
 }
diff --git a/arch/ppc/syslib/pq2_sys.c b/arch/ppc/syslib/pq2_sys.c
index 75e64f1c144d..433b0fa203e1 100644
--- a/arch/ppc/syslib/pq2_sys.c
+++ b/arch/ppc/syslib/pq2_sys.c
@@ -113,13 +113,13 @@ struct ppc_sys_spec ppc_sys_specs[] = {
                 .ppc_sys_name   = "8248",
                 .mask           = 0x0000ff00,
                 .value          = 0x00000c00,
-                .num_devices    = 11,
+                .num_devices    = 12,
                 .device_list = (enum ppc_sys_devices[])
                 {
                         MPC82xx_CPM_FCC1, MPC82xx_CPM_FCC2, MPC82xx_CPM_SCC1,
-                        MPC82xx_CPM_SCC2, MPC82xx_CPM_SCC3, MPC82xx_CPM_SMC1,
-                        MPC82xx_CPM_SMC2, MPC82xx_CPM_SPI, MPC82xx_CPM_I2C,
-                        MPC82xx_CPM_USB, MPC82xx_SEC1,
+                        MPC82xx_CPM_SCC2, MPC82xx_CPM_SCC3, MPC82xx_CPM_SCC4,
+                        MPC82xx_CPM_SMC1, MPC82xx_CPM_SMC2, MPC82xx_CPM_SPI,
+                        MPC82xx_CPM_I2C, MPC82xx_CPM_USB, MPC82xx_SEC1,
                 },
         },
         {