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 fe22e54..dbe421d 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 39e348a..3f7182d 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 928b858..ba34001 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 7e4d548..078fb55 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 1d93e73..684ab1d 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 13e91c4..4467c49 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 0b98eea..cf56a1d 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 7370f9f..266b8b2 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 babebd1..9e30f96 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 269dda4..ef47a62 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 b283380..95b3643 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 f841972..554776d 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 bc9b94f..e62b757 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 ac8fcc6..6ce3b84 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 50a99e5..4b88679 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 3365fd7..7fc2e02 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 a7dd55f..f6cc168 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 a2ab9fa..a03ec602 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 bd41ed8..6f53638 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 7662c4e..2d48018 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 75e64f1..433b0fa 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,
 		},
 	},
 	{