21 files changed, 236 insertions, 84 deletions

diff --git a/arch/powerpc/include/asm/cpm2.h b/arch/powerpc/include/asm/cpm2.h
index 0f5e8ff59a85..990ff191da8b 100644
--- a/arch/powerpc/include/asm/cpm2.h
+++ b/arch/powerpc/include/asm/cpm2.h
@@ -14,10 +14,6 @@
 #include <asm/cpm.h>
 #include <sysdev/fsl_soc.h>
 
-#ifdef CONFIG_PPC_85xx
-#define CPM_MAP_ADDR (get_immrbase() + 0x80000)
-#endif
-
 /* CPM Command register.
 */
 #define CPM_CR_RST      ((uint)0x80000000)
diff --git a/arch/powerpc/include/asm/dma-mapping.h b/arch/powerpc/include/asm/dma-mapping.h
index cb448d68452c..3d9e887c3c0c 100644
--- a/arch/powerpc/include/asm/dma-mapping.h
+++ b/arch/powerpc/include/asm/dma-mapping.h
@@ -15,9 +15,18 @@
 #include <linux/scatterlist.h>
 #include <linux/dma-attrs.h>
 #include <asm/io.h>
+#include <asm/swiotlb.h>
 
 #define DMA_ERROR_CODE          (~(dma_addr_t)0x0)
 
+/* Some dma direct funcs must be visible for use in other dma_ops */
+extern void *dma_direct_alloc_coherent(struct device *dev, size_t size,
+                                       dma_addr_t *dma_handle, gfp_t flag);
+extern void dma_direct_free_coherent(struct device *dev, size_t size,
+                                     void *vaddr, dma_addr_t dma_handle);
+
+extern unsigned long get_dma_direct_offset(struct device *dev);
+
 #ifdef CONFIG_NOT_COHERENT_CACHE
 /*
  * DMA-consistent mapping functions for PowerPCs that don't support
@@ -78,6 +87,8 @@ struct dma_mapping_ops {
                                 dma_addr_t dma_address, size_t size,
                                 enum dma_data_direction direction,
                                 struct dma_attrs *attrs);
+        int             (*addr_needs_map)(struct device *dev, dma_addr_t addr,
+                                size_t size);
 #ifdef CONFIG_PPC_NEED_DMA_SYNC_OPS
         void            (*sync_single_range_for_cpu)(struct device *hwdev,
                                 dma_addr_t dma_handle, unsigned long offset,
diff --git a/arch/powerpc/include/asm/elf.h b/arch/powerpc/include/asm/elf.h
index d6b4a12cdeff..014a624f4c8e 100644
--- a/arch/powerpc/include/asm/elf.h
+++ b/arch/powerpc/include/asm/elf.h
@@ -256,11 +256,11 @@ do {								\
  * even if we have an executable stack.
  */
 # define elf_read_implies_exec(ex, exec_stk) (test_thread_flag(TIF_32BIT) ? \
-                (exec_stk != EXSTACK_DISABLE_X) : 0)
+                (exec_stk == EXSTACK_DEFAULT) : 0)
 #else 
 # define SET_PERSONALITY(ex) \
   set_personality(PER_LINUX | (current->personality & (~PER_MASK)))
-# define elf_read_implies_exec(ex, exec_stk) (exec_stk != EXSTACK_DISABLE_X)
+# define elf_read_implies_exec(ex, exec_stk) (exec_stk == EXSTACK_DEFAULT)
 #endif /* __powerpc64__ */
 
 extern int dcache_bsize;
diff --git a/arch/powerpc/include/asm/emulated_ops.h b/arch/powerpc/include/asm/emulated_ops.h
new file mode 100644
index 000000000000..9154e8526732
--- /dev/null
+++ b/arch/powerpc/include/asm/emulated_ops.h
@@ -0,0 +1,73 @@
+/*
+ *  Copyright 2007 Sony Corporation
+ *
+ *  This program is free software; you can redistribute it and/or modify
+ *  it under the terms of the GNU General Public License as published by
+ *  the Free Software Foundation; version 2 of the License.
+ *
+ *  This program is distributed in the hope that it will be useful,
+ *  but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ *  GNU General Public License for more details.
+ *
+ *  You should have received a copy of the GNU General Public License
+ *  along with this program.
+ *  If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#ifndef _ASM_POWERPC_EMULATED_OPS_H
+#define _ASM_POWERPC_EMULATED_OPS_H
+
+#include <asm/atomic.h>
+
+
+#ifdef CONFIG_PPC_EMULATED_STATS
+
+struct ppc_emulated_entry {
+        const char *name;
+        atomic_t val;
+};
+
+extern struct ppc_emulated {
+#ifdef CONFIG_ALTIVEC
+        struct ppc_emulated_entry altivec;
+#endif
+        struct ppc_emulated_entry dcba;
+        struct ppc_emulated_entry dcbz;
+        struct ppc_emulated_entry fp_pair;
+        struct ppc_emulated_entry isel;
+        struct ppc_emulated_entry mcrxr;
+        struct ppc_emulated_entry mfpvr;
+        struct ppc_emulated_entry multiple;
+        struct ppc_emulated_entry popcntb;
+        struct ppc_emulated_entry spe;
+        struct ppc_emulated_entry string;
+        struct ppc_emulated_entry unaligned;
+#ifdef CONFIG_MATH_EMULATION
+        struct ppc_emulated_entry math;
+#elif defined(CONFIG_8XX_MINIMAL_FPEMU)
+        struct ppc_emulated_entry 8xx;
+#endif
+#ifdef CONFIG_VSX
+        struct ppc_emulated_entry vsx;
+#endif
+} ppc_emulated;
+
+extern u32 ppc_warn_emulated;
+
+extern void ppc_warn_emulated_print(const char *type);
+
+#define PPC_WARN_EMULATED(type)                                          \
+        do {                                                             \
+                atomic_inc(&ppc_emulated.type.val);                      \
+                if (ppc_warn_emulated)                                   \
+                        ppc_warn_emulated_print(ppc_emulated.type.name); \
+        } while (0)
+
+#else /* !CONFIG_PPC_EMULATED_STATS */
+
+#define PPC_WARN_EMULATED(type) do { } while (0)
+
+#endif /* !CONFIG_PPC_EMULATED_STATS */
+
+#endif /* _ASM_POWERPC_EMULATED_OPS_H */
diff --git a/arch/powerpc/include/asm/feature-fixups.h b/arch/powerpc/include/asm/feature-fixups.h
index e4094a5cb05b..cbd4dfa4bce2 100644
--- a/arch/powerpc/include/asm/feature-fixups.h
+++ b/arch/powerpc/include/asm/feature-fixups.h
@@ -8,8 +8,6 @@
  * 2 of the License, or (at your option) any later version.
  */
 
-#ifdef __ASSEMBLY__
-
 /*
  * Feature section common macros
  *
@@ -23,10 +21,12 @@
 /* 64 bits kernel, 32 bits code (ie. vdso32) */
 #define FTR_ENTRY_LONG          .llong
 #define FTR_ENTRY_OFFSET        .long 0xffffffff; .long
+#elif defined(CONFIG_PPC64)
+#define FTR_ENTRY_LONG          .llong
+#define FTR_ENTRY_OFFSET        .llong
 #else
-/* 64 bit kernel 64 bit code, or 32 bit kernel 32 bit code */
-#define FTR_ENTRY_LONG          PPC_LONG
-#define FTR_ENTRY_OFFSET        PPC_LONG
+#define FTR_ENTRY_LONG          .long
+#define FTR_ENTRY_OFFSET        .long
 #endif
 
 #define START_FTR_SECTION(label)        label##1:
@@ -141,6 +141,21 @@ label##5:					       	\
 #define ALT_FW_FTR_SECTION_END_IFCLR(msk)       \
         ALT_FW_FTR_SECTION_END_NESTED_IFCLR(msk, 97)
 
+#ifndef __ASSEMBLY__
+
+#define ASM_MMU_FTR_IF(section_if, section_else, msk, val)      \
+        stringify_in_c(BEGIN_MMU_FTR_SECTION)                   \
+        section_if "; "                                         \
+        stringify_in_c(MMU_FTR_SECTION_ELSE)                    \
+        section_else "; "                                       \
+        stringify_in_c(ALT_MMU_FTR_SECTION_END((msk), (val)))
+
+#define ASM_MMU_FTR_IFSET(section_if, section_else, msk)        \
+        ASM_MMU_FTR_IF(section_if, section_else, (msk), (msk))
+
+#define ASM_MMU_FTR_IFCLR(section_if, section_else, msk)        \
+        ASM_MMU_FTR_IF(section_if, section_else, (msk), 0)
+
 #endif /* __ASSEMBLY__ */
 
 /* LWSYNC feature sections */
diff --git a/arch/powerpc/include/asm/lppaca.h b/arch/powerpc/include/asm/lppaca.h
index d2a65e8ca6ae..f78f65c38f05 100644
--- a/arch/powerpc/include/asm/lppaca.h
+++ b/arch/powerpc/include/asm/lppaca.h
@@ -20,6 +20,11 @@
 #define _ASM_POWERPC_LPPACA_H
 #ifdef __KERNEL__
 
+/* These definitions relate to hypervisors that only exist when using
+ * a server type processor
+ */
+#ifdef CONFIG_PPC_BOOK3S
+
 //=============================================================================
 //
 //      This control block contains the data that is shared between the
@@ -158,5 +163,6 @@ struct slb_shadow {
 
 extern struct slb_shadow slb_shadow[];
 
+#endif /* CONFIG_PPC_BOOK3S */
 #endif /* __KERNEL__ */
 #endif /* _ASM_POWERPC_LPPACA_H */
diff --git a/arch/powerpc/include/asm/machdep.h b/arch/powerpc/include/asm/machdep.h
index 0efdb1dfdc5f..11d1fc3a8962 100644
--- a/arch/powerpc/include/asm/machdep.h
+++ b/arch/powerpc/include/asm/machdep.h
@@ -110,6 +110,10 @@ struct machdep_calls {
         void            (*show_percpuinfo)(struct seq_file *m, int i);
 
         void            (*init_IRQ)(void);
+
+        /* Return an irq, or NO_IRQ to indicate there are none pending.
+         * If for some reason there is no irq, but the interrupt
+         * shouldn't be counted as spurious, return NO_IRQ_IGNORE. */
         unsigned int    (*get_irq)(void);
 #ifdef CONFIG_KEXEC
         void            (*kexec_cpu_down)(int crash_shutdown, int secondary);
diff --git a/arch/powerpc/include/asm/mmu.h b/arch/powerpc/include/asm/mmu.h
index cbf154387091..fb57ded592f9 100644
--- a/arch/powerpc/include/asm/mmu.h
+++ b/arch/powerpc/include/asm/mmu.h
@@ -52,6 +52,11 @@
  */
 #define MMU_FTR_NEED_DTLB_SW_LRU        ASM_CONST(0x00200000)
 
+/* This indicates that the processor uses the ISA 2.06 server tlbie
+ * mnemonics
+ */
+#define MMU_FTR_TLBIE_206               ASM_CONST(0x00400000)
+
 #ifndef __ASSEMBLY__
 #include <asm/cputable.h>
 
@@ -69,10 +74,10 @@ extern void early_init_mmu_secondary(void);
 #endif /* !__ASSEMBLY__ */
 
 
-#ifdef CONFIG_PPC64
+#if defined(CONFIG_PPC_STD_MMU_64)
 /* 64-bit classic hash table MMU */
 #  include <asm/mmu-hash64.h>
-#elif defined(CONFIG_PPC_STD_MMU)
+#elif defined(CONFIG_PPC_STD_MMU_32)
 /* 32-bit classic hash table MMU */
 #  include <asm/mmu-hash32.h>
 #elif defined(CONFIG_40x)
diff --git a/arch/powerpc/include/asm/mpc86xx.h b/arch/powerpc/include/asm/mpc86xx.h
deleted file mode 100644
index 15f650f987e7..000000000000
--- a/arch/powerpc/include/asm/mpc86xx.h
+++ /dev/null
@@ -1,33 +0,0 @@
-/*
- * MPC86xx definitions
- *
- * Author: Jeff Brown
- *
- * Copyright 2004 Freescale Semiconductor, Inc
- *
- * This program is free software; you can redistribute  it and/or modify it
- * under  the terms of  the GNU General  Public License as published by the
- * Free Software Foundation;  either version 2 of the  License, or (at your
- * option) any later version.
- */
-
-#ifdef __KERNEL__
-#ifndef __ASM_POWERPC_MPC86xx_H__
-#define __ASM_POWERPC_MPC86xx_H__
-
-#include <asm/mmu.h>
-
-#ifdef CONFIG_PPC_86xx
-
-#define CPU0_BOOT_RELEASE 0x01000000
-#define CPU1_BOOT_RELEASE 0x02000000
-#define CPU_ALL_RELEASED (CPU0_BOOT_RELEASE | CPU1_BOOT_RELEASE)
-#define MCM_PORT_CONFIG_OFFSET 0x1010
-
-/* Offset from CCSRBAR */
-#define MPC86xx_MCM_OFFSET      (0x00000)
-#define MPC86xx_MCM_SIZE        (0x02000)
-
-#endif /* CONFIG_PPC_86xx */
-#endif /* __ASM_POWERPC_MPC86xx_H__ */
-#endif /* __KERNEL__ */
diff --git a/arch/powerpc/include/asm/paca.h b/arch/powerpc/include/asm/paca.h
index 6ef055723019..c8a3cbfe02ff 100644
--- a/arch/powerpc/include/asm/paca.h
+++ b/arch/powerpc/include/asm/paca.h
@@ -43,6 +43,7 @@ struct task_struct;
  * processor.
  */
 struct paca_struct {
+#ifdef CONFIG_PPC_BOOK3S
         /*
          * Because hw_cpu_id, unlike other paca fields, is accessed
          * routinely from other CPUs (from the IRQ code), we stick to
@@ -51,7 +52,7 @@ struct paca_struct {
          */
 
         struct lppaca *lppaca_ptr;      /* Pointer to LpPaca for PLIC */
-
+#endif /* CONFIG_PPC_BOOK3S */
         /*
          * MAGIC: the spinlock functions in arch/powerpc/lib/locks.c 
          * load lock_token and paca_index with a single lwz
@@ -64,13 +65,16 @@ struct paca_struct {
         u64 kernel_toc;                 /* Kernel TOC address */
         u64 kernelbase;                 /* Base address of kernel */
         u64 kernel_msr;                 /* MSR while running in kernel */
+#ifdef CONFIG_PPC_STD_MMU_64
         u64 stab_real;                  /* Absolute address of segment table */
         u64 stab_addr;                  /* Virtual address of segment table */
+#endif /* CONFIG_PPC_STD_MMU_64 */
         void *emergency_sp;             /* pointer to emergency stack */
         u64 data_offset;                /* per cpu data offset */
         s16 hw_cpu_id;                  /* Physical processor number */
         u8 cpu_start;                   /* At startup, processor spins until */
                                         /* this becomes non-zero. */
+#ifdef CONFIG_PPC_STD_MMU_64
         struct slb_shadow *slb_shadow_ptr;
 
         /*
@@ -81,11 +85,13 @@ struct paca_struct {
         u64 exmc[10];           /* used for machine checks */
         u64 exslb[10];          /* used for SLB/segment table misses
                                  * on the linear mapping */
-
-        mm_context_t context;
+        /* SLB related definitions */
         u16 vmalloc_sllp;
         u16 slb_cache_ptr;
         u16 slb_cache[SLB_CACHE_ENTRIES];
+#endif /* CONFIG_PPC_STD_MMU_64 */
+
+        mm_context_t context;
 
         /*
          * then miscellaneous read-write fields
diff --git a/arch/powerpc/include/asm/page.h b/arch/powerpc/include/asm/page.h
index 32cbf16f10ea..4940662ee87e 100644
--- a/arch/powerpc/include/asm/page.h
+++ b/arch/powerpc/include/asm/page.h
@@ -231,6 +231,11 @@ extern void copy_user_page(void *to, void *from, unsigned long vaddr,
                 struct page *p);
 extern int page_is_ram(unsigned long pfn);
 
+#ifdef CONFIG_PPC_SMLPAR
+void arch_free_page(struct page *page, int order);
+#define HAVE_ARCH_FREE_PAGE
+#endif
+
 struct vm_area_struct;
 
 typedef struct page *pgtable_t;
diff --git a/arch/powerpc/include/asm/pci-bridge.h b/arch/powerpc/include/asm/pci-bridge.h
index 84007afabdb5..4c61fa0b8d75 100644
--- a/arch/powerpc/include/asm/pci-bridge.h
+++ b/arch/powerpc/include/asm/pci-bridge.h
@@ -86,17 +86,12 @@ struct pci_controller {
         void *io_base_alloc;
 #endif
         resource_size_t io_base_phys;
-#ifndef CONFIG_PPC64
         resource_size_t pci_io_size;
-#endif
 
         /* Some machines (PReP) have a non 1:1 mapping of
          * the PCI memory space in the CPU bus space
          */
         resource_size_t pci_mem_offset;
-#ifdef CONFIG_PPC64
-        unsigned long pci_io_size;
-#endif
 
         /* Some machines have a special region to forward the ISA
          * "memory" cycles such as VGA memory regions. Left to 0
@@ -140,10 +135,12 @@ struct pci_controller {
         struct resource io_resource;
         struct resource mem_resources[3];
         int global_number;              /* PCI domain number */
+
+        resource_size_t dma_window_base_cur;
+        resource_size_t dma_window_size;
+
 #ifdef CONFIG_PPC64
         unsigned long buid;
-        unsigned long dma_window_base_cur;
-        unsigned long dma_window_size;
 
         void *private_data;
 #endif  /* CONFIG_PPC64 */
@@ -185,7 +182,6 @@ extern int early_find_capability(struct pci_controller *hose, int bus,
 extern void setup_indirect_pci(struct pci_controller* hose,
                                resource_size_t cfg_addr,
                                resource_size_t cfg_data, u32 flags);
-extern void setup_grackle(struct pci_controller *hose);
 #else   /* CONFIG_PPC64 */
 
 /*
@@ -221,6 +217,7 @@ struct pci_dn {
 #define PCI_DN(dn)      ((struct pci_dn *) (dn)->data)
 
 extern struct device_node *fetch_dev_dn(struct pci_dev *dev);
+extern void * update_dn_pci_info(struct device_node *dn, void *data);
 
 /* Get a device_node from a pci_dev.  This code must be fast except
  * in the case where the sysdata is incorrect and needs to be fixed
diff --git a/arch/powerpc/include/asm/pgtable-ppc64.h b/arch/powerpc/include/asm/pgtable-ppc64.h
index c40db05f21e0..8cd083c61503 100644
--- a/arch/powerpc/include/asm/pgtable-ppc64.h
+++ b/arch/powerpc/include/asm/pgtable-ppc64.h
@@ -31,9 +31,11 @@
 #error TASK_SIZE_USER64 exceeds pagetable range
 #endif
 
+#ifdef CONFIG_PPC_STD_MMU_64
 #if TASK_SIZE_USER64 > (1UL << (USER_ESID_BITS + SID_SHIFT))
 #error TASK_SIZE_USER64 exceeds user VSID range
 #endif
+#endif
 
 /*
  * Define the address range of the vmalloc VM area.
@@ -199,8 +201,11 @@ static inline unsigned long pte_update(struct mm_struct *mm,
         if (!huge)
                 assert_pte_locked(mm, addr);
 
+#ifdef CONFIG_PPC_STD_MMU_64
         if (old & _PAGE_HASHPTE)
                 hpte_need_flush(mm, addr, ptep, old, huge);
+#endif
+
         return old;
 }
 
diff --git a/arch/powerpc/include/asm/ppc-opcode.h b/arch/powerpc/include/asm/ppc-opcode.h
index 640ccbbc0977..b74f16d45cb4 100644
--- a/arch/powerpc/include/asm/ppc-opcode.h
+++ b/arch/powerpc/include/asm/ppc-opcode.h
@@ -25,6 +25,7 @@
 #define PPC_INST_LSWI                   0x7c0004aa
 #define PPC_INST_LSWX                   0x7c00042a
 #define PPC_INST_LWSYNC                 0x7c2004ac
+#define PPC_INST_LXVD2X                 0x7c000698
 #define PPC_INST_MCRXR                  0x7c000400
 #define PPC_INST_MCRXR_MASK             0xfc0007fe
 #define PPC_INST_MFSPR_PVR              0x7c1f42a6
@@ -43,14 +44,18 @@
 
 #define PPC_INST_STSWI                  0x7c0005aa
 #define PPC_INST_STSWX                  0x7c00052a
+#define PPC_INST_STXVD2X                0x7c000798
+#define PPC_INST_TLBIE                  0x7c000264
 #define PPC_INST_TLBILX                 0x7c000024
 #define PPC_INST_WAIT                   0x7c00007c
 
 /* macros to insert fields into opcodes */
-#define __PPC_RA(a)     ((a & 0x1f) << 16)
-#define __PPC_RB(b)     ((b & 0x1f) << 11)
-#define __PPC_T_TLB(t)  ((t & 0x3) << 21)
-#define __PPC_WC(w)     ((w & 0x3) << 21)
+#define __PPC_RA(a)     (((a) & 0x1f) << 16)
+#define __PPC_RB(b)     (((b) & 0x1f) << 11)
+#define __PPC_RS(s)     (((s) & 0x1f) << 21)
+#define __PPC_XS(s)     ((((s) & 0x1f) << 21) | (((s) & 0x20) >> 5))
+#define __PPC_T_TLB(t)  (((t) & 0x3) << 21)
+#define __PPC_WC(w)     (((w) & 0x3) << 21)
 
 /* Deal with instructions that older assemblers aren't aware of */
 #define PPC_DCBAL(a, b)         stringify_in_c(.long PPC_INST_DCBAL | \
@@ -69,5 +74,17 @@
 #define PPC_TLBILX_VA(a, b)     PPC_TLBILX(3, a, b)
 #define PPC_WAIT(w)             stringify_in_c(.long PPC_INST_WAIT | \
                                         __PPC_WC(w))
+#define PPC_TLBIE(lp,a)         stringify_in_c(.long PPC_INST_TLBIE | \
+                                               __PPC_RB(a) | __PPC_RS(lp))
+
+/*
+ * Define what the VSX XX1 form instructions will look like, then add
+ * the 128 bit load store instructions based on that.
+ */
+#define VSX_XX1(s, a, b)        (__PPC_XS(s) | __PPC_RA(a) | __PPC_RB(b))
+#define STXVD2X(s, a, b)        stringify_in_c(.long PPC_INST_STXVD2X | \
+                                               VSX_XX1((s), (a), (b)))
+#define LXVD2X(s, a, b)         stringify_in_c(.long PPC_INST_LXVD2X | \
+                                               VSX_XX1((s), (a), (b)))
 
 #endif /* _ASM_POWERPC_PPC_OPCODE_H */
diff --git a/arch/powerpc/include/asm/ppc_asm.h b/arch/powerpc/include/asm/ppc_asm.h
index 384d90c9c272..f9729529c20d 100644
--- a/arch/powerpc/include/asm/ppc_asm.h
+++ b/arch/powerpc/include/asm/ppc_asm.h
@@ -76,16 +76,6 @@ END_FTR_SECTION_IFCLR(CPU_FTR_PURR);					\
                                 REST_10GPRS(22, base)
 #endif
 
-/*
- * Define what the VSX XX1 form instructions will look like, then add
- * the 128 bit load store instructions based on that.
- */
-#define VSX_XX1(xs, ra, rb)     (((xs) & 0x1f) << 21 | ((ra) << 16) |  \
-                                 ((rb) << 11) | (((xs) >> 5)))
-
-#define STXVD2X(xs, ra, rb)     .long (0x7c000798 | VSX_XX1((xs), (ra), (rb)))
-#define LXVD2X(xs, ra, rb)      .long (0x7c000698 | VSX_XX1((xs), (ra), (rb)))
-
 #define SAVE_2GPRS(n, base)     SAVE_GPR(n, base); SAVE_GPR(n+1, base)
 #define SAVE_4GPRS(n, base)     SAVE_2GPRS(n, base); SAVE_2GPRS(n+2, base)
 #define SAVE_8GPRS(n, base)     SAVE_4GPRS(n, base); SAVE_4GPRS(n+4, base)
diff --git a/arch/powerpc/include/asm/ptrace.h b/arch/powerpc/include/asm/ptrace.h
index c9c678fb2538..8c341490cfc5 100644
--- a/arch/powerpc/include/asm/ptrace.h
+++ b/arch/powerpc/include/asm/ptrace.h
@@ -135,7 +135,9 @@ do {									      \
  * These are defined as per linux/ptrace.h, which see.
  */
 #define arch_has_single_step()  (1)
+#define arch_has_block_step()   (!cpu_has_feature(CPU_FTR_601))
 extern void user_enable_single_step(struct task_struct *);
+extern void user_enable_block_step(struct task_struct *);
 extern void user_disable_single_step(struct task_struct *);
 
 #endif /* __ASSEMBLY__ */
@@ -288,4 +290,6 @@ extern void user_disable_single_step(struct task_struct *);
 #define PPC_PTRACE_PEEKUSR_3264  0x91
 #define PPC_PTRACE_POKEUSR_3264  0x90
 
+#define PTRACE_SINGLEBLOCK      0x100   /* resume execution until next branch */
+
 #endif /* _ASM_POWERPC_PTRACE_H */
diff --git a/arch/powerpc/include/asm/qe.h b/arch/powerpc/include/asm/qe.h
index 2701753d9937..e0faf332c9c9 100644
--- a/arch/powerpc/include/asm/qe.h
+++ b/arch/powerpc/include/asm/qe.h
@@ -22,7 +22,7 @@
 #include <asm/cpm.h>
 #include <asm/immap_qe.h>
 
-#define QE_NUM_OF_SNUM  28
+#define QE_NUM_OF_SNUM  256     /* There are 256 serial number in QE */
 #define QE_NUM_OF_BRGS  16
 #define QE_NUM_OF_PORTS 1024
 
@@ -152,6 +152,9 @@ unsigned int qe_get_brg_clk(void);
 int qe_setbrg(enum qe_clock brg, unsigned int rate, unsigned int multiplier);
 int qe_get_snum(void);
 void qe_put_snum(u8 snum);
+unsigned int qe_get_num_of_risc(void);
+unsigned int qe_get_num_of_snums(void);
+
 /* we actually use cpm_muram implementation, define this for convenience */
 #define qe_muram_init cpm_muram_init
 #define qe_muram_alloc cpm_muram_alloc
@@ -231,12 +234,16 @@ struct qe_bd {
 #define QE_ALIGNMENT_OF_PRAM    64
 
 /* RISC allocation */
-enum qe_risc_allocation {
-        QE_RISC_ALLOCATION_RISC1 = 1,   /* RISC 1 */
-        QE_RISC_ALLOCATION_RISC2 = 2,   /* RISC 2 */
-        QE_RISC_ALLOCATION_RISC1_AND_RISC2 = 3  /* Dynamically choose
-                                                   RISC 1 or RISC 2 */
-};
+#define QE_RISC_ALLOCATION_RISC1        0x1  /* RISC 1 */
+#define QE_RISC_ALLOCATION_RISC2        0x2  /* RISC 2 */
+#define QE_RISC_ALLOCATION_RISC3        0x4  /* RISC 3 */
+#define QE_RISC_ALLOCATION_RISC4        0x8  /* RISC 4 */
+#define QE_RISC_ALLOCATION_RISC1_AND_RISC2      (QE_RISC_ALLOCATION_RISC1 | \
+                                                 QE_RISC_ALLOCATION_RISC2)
+#define QE_RISC_ALLOCATION_FOUR_RISCS   (QE_RISC_ALLOCATION_RISC1 | \
+                                         QE_RISC_ALLOCATION_RISC2 | \
+                                         QE_RISC_ALLOCATION_RISC3 | \
+                                         QE_RISC_ALLOCATION_RISC4)
 
 /* QE extended filtering Table Lookup Key Size */
 enum qe_fltr_tbl_lookup_key_size {
diff --git a/arch/powerpc/include/asm/scatterlist.h b/arch/powerpc/include/asm/scatterlist.h
index fcf7d55afe45..912bf597870f 100644
--- a/arch/powerpc/include/asm/scatterlist.h
+++ b/arch/powerpc/include/asm/scatterlist.h
@@ -21,7 +21,7 @@ struct scatterlist {
         unsigned int offset;
         unsigned int length;
 
-        /* For TCE support */
+        /* For TCE or SWIOTLB support */
         dma_addr_t dma_address;
         u32 dma_length;
 };
@@ -34,11 +34,7 @@ struct scatterlist {
  * is 0.
  */
 #define sg_dma_address(sg)      ((sg)->dma_address)
-#ifdef __powerpc64__
 #define sg_dma_len(sg)          ((sg)->dma_length)
-#else
-#define sg_dma_len(sg)          ((sg)->length)
-#endif
 
 #ifdef __powerpc64__
 #define ISA_DMA_THRESHOLD       (~0UL)
diff --git a/arch/powerpc/include/asm/swiotlb.h b/arch/powerpc/include/asm/swiotlb.h
new file mode 100644
index 000000000000..30891d6e2bc1
--- /dev/null
+++ b/arch/powerpc/include/asm/swiotlb.h
@@ -0,0 +1,27 @@
+/*
+ * Copyright (C) 2009 Becky Bruce, Freescale Semiconductor
+ *
+ * This program is free software; you can redistribute  it and/or modify it
+ * under  the terms of  the GNU General  Public License as published by the
+ * Free Software Foundation;  either version 2 of the  License, or (at your
+ * option) any later version.
+ *
+ */
+
+#ifndef __ASM_SWIOTLB_H
+#define __ASM_SWIOTLB_H
+
+#include <linux/swiotlb.h>
+
+extern struct dma_mapping_ops swiotlb_dma_ops;
+extern struct dma_mapping_ops swiotlb_pci_dma_ops;
+
+int swiotlb_arch_address_needs_mapping(struct device *, dma_addr_t,
+                                       size_t size);
+
+static inline void dma_mark_clean(void *addr, size_t size) {}
+
+extern unsigned int ppc_swiotlb_enable;
+int __init swiotlb_setup_bus_notifier(void);
+
+#endif /* __ASM_SWIOTLB_H */
diff --git a/arch/powerpc/include/asm/system.h b/arch/powerpc/include/asm/system.h
index 2b2420a49884..bb8e006a47c6 100644
--- a/arch/powerpc/include/asm/system.h
+++ b/arch/powerpc/include/asm/system.h
@@ -211,7 +211,7 @@ extern struct task_struct *_switch(struct thread_struct *prev,
 
 extern unsigned int rtas_data;
 extern int mem_init_done;       /* set on boot once kmalloc can be called */
-extern int init_bootmem_done;   /* set on !NUMA once bootmem is available */
+extern int init_bootmem_done;   /* set once bootmem is available */
 extern phys_addr_t memory_limit;
 extern unsigned long klimit;
 
diff --git a/arch/powerpc/include/asm/xilinx_pci.h b/arch/powerpc/include/asm/xilinx_pci.h
new file mode 100644
index 000000000000..7a8275caf6af
--- /dev/null
+++ b/arch/powerpc/include/asm/xilinx_pci.h
@@ -0,0 +1,21 @@
+/*
+ * Xilinx pci external definitions
+ *
+ * Copyright 2009 Roderick Colenbrander
+ * Copyright 2009 Secret Lab Technologies Ltd.
+ *
+ * This file is licensed under the terms of the GNU General Public License
+ * version 2. This program is licensed "as is" without any warranty of any
+ * kind, whether express or implied.
+ */
+
+#ifndef INCLUDE_XILINX_PCI
+#define INCLUDE_XILINX_PCI
+
+#ifdef CONFIG_XILINX_PCI
+extern void __init xilinx_pci_init(void);
+#else
+static inline void __init xilinx_pci_init(void) { return; }
+#endif
+
+#endif /* INCLUDE_XILINX_PCI */