Merge git://git.kernel.org/pub/scm/linux/kernel/git/paulus/powerpc-merge

43 files changed, 635 insertions, 547 deletions

diff --git a/include/asm-ppc64/abs_addr.h b/include/asm-powerpc/abs_addr.h
index dc3fc3fefef2..18415108fc56 100644
--- a/include/asm-ppc64/abs_addr.h
+++ b/include/asm-powerpc/abs_addr.h
@@ -1,5 +1,5 @@
-#ifndef _ABS_ADDR_H
-#define _ABS_ADDR_H
+#ifndef _ASM_POWERPC_ABS_ADDR_H
+#define _ASM_POWERPC_ABS_ADDR_H
 
 #include <linux/config.h>
 
@@ -70,4 +70,4 @@ static inline unsigned long phys_to_abs(unsigned long pa)
 #define iseries_hv_addr(virtaddr)       \
         (0x8000000000000000 | virt_to_abs(virtaddr))
 
-#endif /* _ABS_ADDR_H */
+#endif /* _ASM_POWERPC_ABS_ADDR_H */
diff --git a/include/asm-powerpc/asm-compat.h b/include/asm-powerpc/asm-compat.h
new file mode 100644
index 000000000000..8b133efc9f79
--- /dev/null
+++ b/include/asm-powerpc/asm-compat.h
@@ -0,0 +1,55 @@
+#ifndef _ASM_POWERPC_ASM_COMPAT_H
+#define _ASM_POWERPC_ASM_COMPAT_H
+
+#include <linux/config.h>
+#include <asm/types.h>
+
+#ifdef __ASSEMBLY__
+#  define stringify_in_c(...)   __VA_ARGS__
+#  define ASM_CONST(x)          x
+#else
+/* This version of stringify will deal with commas... */
+#  define __stringify_in_c(...) #__VA_ARGS__
+#  define stringify_in_c(...)   __stringify_in_c(__VA_ARGS__) " "
+#  define __ASM_CONST(x)        x##UL
+#  define ASM_CONST(x)          __ASM_CONST(x)
+#endif
+
+#ifdef __powerpc64__
+
+/* operations for longs and pointers */
+#define PPC_LL          stringify_in_c(ld)
+#define PPC_STL         stringify_in_c(std)
+#define PPC_LCMPI       stringify_in_c(cmpdi)
+#define PPC_LONG        stringify_in_c(.llong)
+#define PPC_TLNEI       stringify_in_c(tdnei)
+#define PPC_LLARX       stringify_in_c(ldarx)
+#define PPC_STLCX       stringify_in_c(stdcx.)
+#define PPC_CNTLZL      stringify_in_c(cntlzd)
+
+#else /* 32-bit */
+
+/* operations for longs and pointers */
+#define PPC_LL          stringify_in_c(lwz)
+#define PPC_STL         stringify_in_c(stw)
+#define PPC_LCMPI       stringify_in_c(cmpwi)
+#define PPC_LONG        stringify_in_c(.long)
+#define PPC_TLNEI       stringify_in_c(twnei)
+#define PPC_LLARX       stringify_in_c(lwarx)
+#define PPC_STLCX       stringify_in_c(stwcx.)
+#define PPC_CNTLZL      stringify_in_c(cntlzw)
+
+#endif
+
+#ifdef CONFIG_IBM405_ERR77
+/* Erratum #77 on the 405 means we need a sync or dcbt before every
+ * stwcx.  The old ATOMIC_SYNC_FIX covered some but not all of this.
+ */
+#define PPC405_ERR77(ra,rb)     stringify_in_c(dcbt     ra, rb;)
+#define PPC405_ERR77_SYNC       stringify_in_c(sync;)
+#else
+#define PPC405_ERR77(ra,rb)
+#define PPC405_ERR77_SYNC
+#endif
+
+#endif /* _ASM_POWERPC_ASM_COMPAT_H */
diff --git a/include/asm-powerpc/atomic.h b/include/asm-powerpc/atomic.h
index ed4b345ed75d..9c0b372a46e1 100644
--- a/include/asm-powerpc/atomic.h
+++ b/include/asm-powerpc/atomic.h
@@ -9,21 +9,13 @@ typedef struct { volatile int counter; } atomic_t;
 
 #ifdef __KERNEL__
 #include <asm/synch.h>
+#include <asm/asm-compat.h>
 
 #define ATOMIC_INIT(i)          { (i) }
 
 #define atomic_read(v)          ((v)->counter)
 #define atomic_set(v,i)         (((v)->counter) = (i))
 
-/* Erratum #77 on the 405 means we need a sync or dcbt before every stwcx.
- * The old ATOMIC_SYNC_FIX covered some but not all of this.
- */
-#ifdef CONFIG_IBM405_ERR77
-#define PPC405_ERR77(ra,rb)     "dcbt " #ra "," #rb ";"
-#else
-#define PPC405_ERR77(ra,rb)
-#endif
-
 static __inline__ void atomic_add(int a, atomic_t *v)
 {
         int t;
@@ -205,5 +197,183 @@ static __inline__ int atomic_dec_if_positive(atomic_t *v)
 #define smp_mb__before_atomic_inc()     smp_mb()
 #define smp_mb__after_atomic_inc()      smp_mb()
 
+#ifdef __powerpc64__
+
+typedef struct { volatile long counter; } atomic64_t;
+
+#define ATOMIC64_INIT(i)        { (i) }
+
+#define atomic64_read(v)        ((v)->counter)
+#define atomic64_set(v,i)       (((v)->counter) = (i))
+
+static __inline__ void atomic64_add(long a, atomic64_t *v)
+{
+        long t;
+
+        __asm__ __volatile__(
+"1:     ldarx   %0,0,%3         # atomic64_add\n\
+        add     %0,%2,%0\n\
+        stdcx.  %0,0,%3 \n\
+        bne-    1b"
+        : "=&r" (t), "=m" (v->counter)
+        : "r" (a), "r" (&v->counter), "m" (v->counter)
+        : "cc");
+}
+
+static __inline__ long atomic64_add_return(long a, atomic64_t *v)
+{
+        long t;
+
+        __asm__ __volatile__(
+        EIEIO_ON_SMP
+"1:     ldarx   %0,0,%2         # atomic64_add_return\n\
+        add     %0,%1,%0\n\
+        stdcx.  %0,0,%2 \n\
+        bne-    1b"
+        ISYNC_ON_SMP
+        : "=&r" (t)
+        : "r" (a), "r" (&v->counter)
+        : "cc", "memory");
+
+        return t;
+}
+
+#define atomic64_add_negative(a, v)     (atomic64_add_return((a), (v)) < 0)
+
+static __inline__ void atomic64_sub(long a, atomic64_t *v)
+{
+        long t;
+
+        __asm__ __volatile__(
+"1:     ldarx   %0,0,%3         # atomic64_sub\n\
+        subf    %0,%2,%0\n\
+        stdcx.  %0,0,%3 \n\
+        bne-    1b"
+        : "=&r" (t), "=m" (v->counter)
+        : "r" (a), "r" (&v->counter), "m" (v->counter)
+        : "cc");
+}
+
+static __inline__ long atomic64_sub_return(long a, atomic64_t *v)
+{
+        long t;
+
+        __asm__ __volatile__(
+        EIEIO_ON_SMP
+"1:     ldarx   %0,0,%2         # atomic64_sub_return\n\
+        subf    %0,%1,%0\n\
+        stdcx.  %0,0,%2 \n\
+        bne-    1b"
+        ISYNC_ON_SMP
+        : "=&r" (t)
+        : "r" (a), "r" (&v->counter)
+        : "cc", "memory");
+
+        return t;
+}
+
+static __inline__ void atomic64_inc(atomic64_t *v)
+{
+        long t;
+
+        __asm__ __volatile__(
+"1:     ldarx   %0,0,%2         # atomic64_inc\n\
+        addic   %0,%0,1\n\
+        stdcx.  %0,0,%2 \n\
+        bne-    1b"
+        : "=&r" (t), "=m" (v->counter)
+        : "r" (&v->counter), "m" (v->counter)
+        : "cc");
+}
+
+static __inline__ long atomic64_inc_return(atomic64_t *v)
+{
+        long t;
+
+        __asm__ __volatile__(
+        EIEIO_ON_SMP
+"1:     ldarx   %0,0,%1         # atomic64_inc_return\n\
+        addic   %0,%0,1\n\
+        stdcx.  %0,0,%1 \n\
+        bne-    1b"
+        ISYNC_ON_SMP
+        : "=&r" (t)
+        : "r" (&v->counter)
+        : "cc", "memory");
+
+        return t;
+}
+
+/*
+ * atomic64_inc_and_test - increment and test
+ * @v: pointer of type atomic64_t
+ *
+ * Atomically increments @v by 1
+ * and returns true if the result is zero, or false for all
+ * other cases.
+ */
+#define atomic64_inc_and_test(v) (atomic64_inc_return(v) == 0)
+
+static __inline__ void atomic64_dec(atomic64_t *v)
+{
+        long t;
+
+        __asm__ __volatile__(
+"1:     ldarx   %0,0,%2         # atomic64_dec\n\
+        addic   %0,%0,-1\n\
+        stdcx.  %0,0,%2\n\
+        bne-    1b"
+        : "=&r" (t), "=m" (v->counter)
+        : "r" (&v->counter), "m" (v->counter)
+        : "cc");
+}
+
+static __inline__ long atomic64_dec_return(atomic64_t *v)
+{
+        long t;
+
+        __asm__ __volatile__(
+        EIEIO_ON_SMP
+"1:     ldarx   %0,0,%1         # atomic64_dec_return\n\
+        addic   %0,%0,-1\n\
+        stdcx.  %0,0,%1\n\
+        bne-    1b"
+        ISYNC_ON_SMP
+        : "=&r" (t)
+        : "r" (&v->counter)
+        : "cc", "memory");
+
+        return t;
+}
+
+#define atomic64_sub_and_test(a, v)     (atomic64_sub_return((a), (v)) == 0)
+#define atomic64_dec_and_test(v)        (atomic64_dec_return((v)) == 0)
+
+/*
+ * Atomically test *v and decrement if it is greater than 0.
+ * The function returns the old value of *v minus 1.
+ */
+static __inline__ long atomic64_dec_if_positive(atomic64_t *v)
+{
+        long t;
+
+        __asm__ __volatile__(
+        EIEIO_ON_SMP
+"1:     ldarx   %0,0,%1         # atomic64_dec_if_positive\n\
+        addic.  %0,%0,-1\n\
+        blt-    2f\n\
+        stdcx.  %0,0,%1\n\
+        bne-    1b"
+        ISYNC_ON_SMP
+        "\n\
+2:"     : "=&r" (t)
+        : "r" (&v->counter)
+        : "cc", "memory");
+
+        return t;
+}
+
+#endif /* __powerpc64__ */
+
 #endif /* __KERNEL__ */
 #endif /* _ASM_POWERPC_ATOMIC_H_ */
diff --git a/include/asm-powerpc/bitops.h b/include/asm-powerpc/bitops.h
index dc25c53704d5..5727229b0444 100644
--- a/include/asm-powerpc/bitops.h
+++ b/include/asm-powerpc/bitops.h
@@ -40,6 +40,7 @@
 
 #include <linux/compiler.h>
 #include <asm/atomic.h>
+#include <asm/asm-compat.h>
 #include <asm/synch.h>
 
 /*
@@ -52,16 +53,6 @@
 #define BITOP_WORD(nr)          ((nr) / BITS_PER_LONG)
 #define BITOP_LE_SWIZZLE        ((BITS_PER_LONG-1) & ~0x7)
 
-#ifdef CONFIG_PPC64
-#define LARXL           "ldarx"
-#define STCXL           "stdcx."
-#define CNTLZL          "cntlzd"
-#else
-#define LARXL           "lwarx"
-#define STCXL           "stwcx."
-#define CNTLZL          "cntlzw"
-#endif
-
 static __inline__ void set_bit(int nr, volatile unsigned long *addr)
 {
         unsigned long old;
@@ -69,10 +60,10 @@ static __inline__ void set_bit(int nr, volatile unsigned long *addr)
         unsigned long *p = ((unsigned long *)addr) + BITOP_WORD(nr);
 
         __asm__ __volatile__(
-"1:"    LARXL " %0,0,%3 # set_bit\n"
+"1:"    PPC_LLARX "%0,0,%3      # set_bit\n"
         "or     %0,%0,%2\n"
         PPC405_ERR77(0,%3)
-        STCXL " %0,0,%3\n"
+        PPC_STLCX "%0,0,%3\n"
         "bne-   1b"
         : "=&r"(old), "=m"(*p)
         : "r"(mask), "r"(p), "m"(*p)
@@ -86,10 +77,10 @@ static __inline__ void clear_bit(int nr, volatile unsigned long *addr)
         unsigned long *p = ((unsigned long *)addr) + BITOP_WORD(nr);
 
         __asm__ __volatile__(
-"1:"    LARXL " %0,0,%3 # set_bit\n"
+"1:"    PPC_LLARX "%0,0,%3      # clear_bit\n"
         "andc   %0,%0,%2\n"
         PPC405_ERR77(0,%3)
-        STCXL " %0,0,%3\n"
+        PPC_STLCX "%0,0,%3\n"
         "bne-   1b"
         : "=&r"(old), "=m"(*p)
         : "r"(mask), "r"(p), "m"(*p)
@@ -103,10 +94,10 @@ static __inline__ void change_bit(int nr, volatile unsigned long *addr)
         unsigned long *p = ((unsigned long *)addr) + BITOP_WORD(nr);
 
         __asm__ __volatile__(
-"1:"    LARXL " %0,0,%3 # set_bit\n"
+"1:"    PPC_LLARX "%0,0,%3      # change_bit\n"
         "xor    %0,%0,%2\n"
         PPC405_ERR77(0,%3)
-        STCXL " %0,0,%3\n"
+        PPC_STLCX "%0,0,%3\n"
         "bne-   1b"
         : "=&r"(old), "=m"(*p)
         : "r"(mask), "r"(p), "m"(*p)
@@ -122,10 +113,10 @@ static __inline__ int test_and_set_bit(unsigned long nr,
 
         __asm__ __volatile__(
         EIEIO_ON_SMP
-"1:"    LARXL " %0,0,%3         # test_and_set_bit\n"
+"1:"    PPC_LLARX "%0,0,%3              # test_and_set_bit\n"
         "or     %1,%0,%2 \n"
         PPC405_ERR77(0,%3)
-        STCXL " %1,0,%3 \n"
+        PPC_STLCX "%1,0,%3 \n"
         "bne-   1b"
         ISYNC_ON_SMP
         : "=&r" (old), "=&r" (t)
@@ -144,10 +135,10 @@ static __inline__ int test_and_clear_bit(unsigned long nr,
 
         __asm__ __volatile__(
         EIEIO_ON_SMP
-"1:"    LARXL " %0,0,%3         # test_and_clear_bit\n"
+"1:"    PPC_LLARX "%0,0,%3              # test_and_clear_bit\n"
         "andc   %1,%0,%2 \n"
         PPC405_ERR77(0,%3)
-        STCXL " %1,0,%3 \n"
+        PPC_STLCX "%1,0,%3 \n"
         "bne-   1b"
         ISYNC_ON_SMP
         : "=&r" (old), "=&r" (t)
@@ -166,10 +157,10 @@ static __inline__ int test_and_change_bit(unsigned long nr,
 
         __asm__ __volatile__(
         EIEIO_ON_SMP
-"1:"    LARXL " %0,0,%3         # test_and_change_bit\n"
+"1:"    PPC_LLARX "%0,0,%3              # test_and_change_bit\n"
         "xor    %1,%0,%2 \n"
         PPC405_ERR77(0,%3)
-        STCXL " %1,0,%3 \n"
+        PPC_STLCX "%1,0,%3 \n"
         "bne-   1b"
         ISYNC_ON_SMP
         : "=&r" (old), "=&r" (t)
@@ -184,9 +175,9 @@ static __inline__ void set_bits(unsigned long mask, unsigned long *addr)
         unsigned long old;
 
         __asm__ __volatile__(
-"1:"    LARXL " %0,0,%3         # set_bit\n"
+"1:"    PPC_LLARX "%0,0,%3         # set_bits\n"
         "or     %0,%0,%2\n"
-        STCXL " %0,0,%3\n"
+        PPC_STLCX "%0,0,%3\n"
         "bne-   1b"
         : "=&r" (old), "=m" (*addr)
         : "r" (mask), "r" (addr), "m" (*addr)
@@ -268,7 +259,7 @@ static __inline__ int __ilog2(unsigned long x)
 {
         int lz;
 
-        asm (CNTLZL " %0,%1" : "=r" (lz) : "r" (x));
+        asm (PPC_CNTLZL "%0,%1" : "=r" (lz) : "r" (x));
         return BITS_PER_LONG - 1 - lz;
 }
 
diff --git a/include/asm-powerpc/bug.h b/include/asm-powerpc/bug.h
index d625ee55f957..b001ecb3cd99 100644
--- a/include/asm-powerpc/bug.h
+++ b/include/asm-powerpc/bug.h
@@ -1,6 +1,7 @@
 #ifndef _ASM_POWERPC_BUG_H
 #define _ASM_POWERPC_BUG_H
 
+#include <asm/asm-compat.h>
 /*
  * Define an illegal instr to trap on the bug.
  * We don't use 0 because that marks the end of a function
@@ -11,14 +12,6 @@
 
 #ifndef __ASSEMBLY__
 
-#ifdef __powerpc64__
-#define BUG_TABLE_ENTRY         ".llong"
-#define BUG_TRAP_OP             "tdnei"
-#else 
-#define BUG_TABLE_ENTRY         ".long"
-#define BUG_TRAP_OP             "twnei"
-#endif /* __powerpc64__ */
-
 struct bug_entry {
         unsigned long   bug_addr;
         long            line;
@@ -40,16 +33,16 @@ struct bug_entry *find_bug(unsigned long bugaddr);
         __asm__ __volatile__(                                            \
                 "1:     twi 31,0,0\n"                                    \
                 ".section __bug_table,\"a\"\n"                           \
-                "\t"BUG_TABLE_ENTRY"    1b,%0,%1,%2\n"                   \
+                "\t"PPC_LONG"   1b,%0,%1,%2\n"                   \
                 ".previous"                                              \
                 : : "i" (__LINE__), "i" (__FILE__), "i" (__FUNCTION__)); \
 } while (0)
 
 #define BUG_ON(x) do {                                          \
         __asm__ __volatile__(                                   \
-                "1:     "BUG_TRAP_OP"   %0,0\n"                 \
+                "1:     "PPC_TLNEI"     %0,0\n"                 \
                 ".section __bug_table,\"a\"\n"                  \
-                "\t"BUG_TABLE_ENTRY"    1b,%1,%2,%3\n"          \
+                "\t"PPC_LONG"   1b,%1,%2,%3\n"          \
                 ".previous"                                     \
                 : : "r" ((long)(x)), "i" (__LINE__),            \
                     "i" (__FILE__), "i" (__FUNCTION__));        \
@@ -57,9 +50,9 @@ struct bug_entry *find_bug(unsigned long bugaddr);
 
 #define WARN_ON(x) do {                                         \
         __asm__ __volatile__(                                   \
-                "1:     "BUG_TRAP_OP"   %0,0\n"                 \
+                "1:     "PPC_TLNEI"     %0,0\n"                 \
                 ".section __bug_table,\"a\"\n"                  \
-                "\t"BUG_TABLE_ENTRY"    1b,%1,%2,%3\n"          \
+                "\t"PPC_LONG"   1b,%1,%2,%3\n"          \
                 ".previous"                                     \
                 : : "r" ((long)(x)),                            \
                     "i" (__LINE__ + BUG_WARNING_TRAP),          \
diff --git a/include/asm-powerpc/cache.h b/include/asm-powerpc/cache.h
new file mode 100644
index 000000000000..26ce502e76e8
--- /dev/null
+++ b/include/asm-powerpc/cache.h
@@ -0,0 +1,40 @@
+#ifndef _ASM_POWERPC_CACHE_H
+#define _ASM_POWERPC_CACHE_H
+
+#ifdef __KERNEL__
+
+#include <linux/config.h>
+
+/* bytes per L1 cache line */
+#if defined(CONFIG_8xx) || defined(CONFIG_403GCX)
+#define L1_CACHE_SHIFT          4
+#define MAX_COPY_PREFETCH       1
+#elif defined(CONFIG_PPC32)
+#define L1_CACHE_SHIFT          5
+#define MAX_COPY_PREFETCH       4
+#else /* CONFIG_PPC64 */
+#define L1_CACHE_SHIFT          7
+#endif
+
+#define L1_CACHE_BYTES          (1 << L1_CACHE_SHIFT)
+
+#define SMP_CACHE_BYTES         L1_CACHE_BYTES
+#define L1_CACHE_SHIFT_MAX      7 /* largest L1 which this arch supports */
+
+#if defined(__powerpc64__) && !defined(__ASSEMBLY__)
+struct ppc64_caches {
+        u32     dsize;                  /* L1 d-cache size */
+        u32     dline_size;             /* L1 d-cache line size */
+        u32     log_dline_size;
+        u32     dlines_per_page;
+        u32     isize;                  /* L1 i-cache size */
+        u32     iline_size;             /* L1 i-cache line size */
+        u32     log_iline_size;
+        u32     ilines_per_page;
+};
+
+extern struct ppc64_caches ppc64_caches;
+#endif /* __powerpc64__ && ! __ASSEMBLY__ */
+
+#endif /* __KERNEL__ */
+#endif /* _ASM_POWERPC_CACHE_H */
diff --git a/include/asm-ppc64/cacheflush.h b/include/asm-powerpc/cacheflush.h
index ffbc08be8e52..8a740c88d93d 100644
--- a/include/asm-ppc64/cacheflush.h
+++ b/include/asm-powerpc/cacheflush.h
@@ -1,13 +1,20 @@
-#ifndef _PPC64_CACHEFLUSH_H
-#define _PPC64_CACHEFLUSH_H
+/*
+ *  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_POWERPC_CACHEFLUSH_H
+#define _ASM_POWERPC_CACHEFLUSH_H
+
+#ifdef __KERNEL__
 
 #include <linux/mm.h>
 #include <asm/cputable.h>
 
 /*
- * No cache flushing is required when address mappings are
- * changed, because the caches on PowerPCs are physically
- * addressed.
+ * No cache flushing is required when address mappings are changed,
+ * because the caches on PowerPCs are physically addressed.
  */
 #define flush_cache_all()                       do { } while (0)
 #define flush_cache_mm(mm)                      do { } while (0)
@@ -22,27 +29,40 @@ extern void flush_dcache_page(struct page *page);
 #define flush_dcache_mmap_unlock(mapping)       do { } while (0)
 
 extern void __flush_icache_range(unsigned long, unsigned long);
+static inline void flush_icache_range(unsigned long start, unsigned long stop)
+{
+        if (!cpu_has_feature(CPU_FTR_COHERENT_ICACHE))
+                __flush_icache_range(start, stop);
+}
+
 extern void flush_icache_user_range(struct vm_area_struct *vma,
                                     struct page *page, unsigned long addr,
                                     int len);
+extern void __flush_dcache_icache(void *page_va);
+extern void flush_dcache_icache_page(struct page *page);
+#if defined(CONFIG_PPC32) && !defined(CONFIG_BOOKE)
+extern void __flush_dcache_icache_phys(unsigned long physaddr);
+#endif /* CONFIG_PPC32 && !CONFIG_BOOKE */
 
 extern void flush_dcache_range(unsigned long start, unsigned long stop);
-extern void flush_dcache_phys_range(unsigned long start, unsigned long stop);
+#ifdef CONFIG_PPC32
+extern void clean_dcache_range(unsigned long start, unsigned long stop);
+extern void invalidate_dcache_range(unsigned long start, unsigned long stop);
+#endif /* CONFIG_PPC32 */
+#ifdef CONFIG_PPC64
 extern void flush_inval_dcache_range(unsigned long start, unsigned long stop);
+extern void flush_dcache_phys_range(unsigned long start, unsigned long stop);
+#endif
 
 #define copy_to_user_page(vma, page, vaddr, dst, src, len) \
-do { memcpy(dst, src, len); \
-     flush_icache_user_range(vma, page, vaddr, len); \
-} while (0)
+        do { \
+                memcpy(dst, src, len); \
+                flush_icache_user_range(vma, page, vaddr, len); \
+        } while (0)
 #define copy_from_user_page(vma, page, vaddr, dst, src, len) \
         memcpy(dst, src, len)
 
-extern void __flush_dcache_icache(void *page_va);
 
-static inline void flush_icache_range(unsigned long start, unsigned long stop)
-{
-        if (!cpu_has_feature(CPU_FTR_COHERENT_ICACHE))
-                __flush_icache_range(start, stop);
-}
+#endif /* __KERNEL__ */
 
-#endif /* _PPC64_CACHEFLUSH_H */
+#endif /* _ASM_POWERPC_CACHEFLUSH_H */
diff --git a/include/asm-ppc64/compat.h b/include/asm-powerpc/compat.h
index 6ec62cd2d1d1..4db4360c4d4a 100644
--- a/include/asm-ppc64/compat.h
+++ b/include/asm-powerpc/compat.h
@@ -1,5 +1,5 @@
-#ifndef _ASM_PPC64_COMPAT_H
-#define _ASM_PPC64_COMPAT_H
+#ifndef _ASM_POWERPC_COMPAT_H
+#define _ASM_POWERPC_COMPAT_H
 /*
  * Architecture specific compatibility types
  */
@@ -49,7 +49,7 @@ struct compat_stat {
         compat_dev_t    st_dev;
         compat_ino_t    st_ino;
         compat_mode_t   st_mode;
-        compat_nlink_t  st_nlink;       
+        compat_nlink_t  st_nlink;
         __compat_uid32_t        st_uid;
         __compat_gid32_t        st_gid;
         compat_dev_t    st_rdev;
@@ -202,4 +202,4 @@ struct compat_shmid64_ds {
         compat_ulong_t __unused6;
 };
 
-#endif /* _ASM_PPC64_COMPAT_H */
+#endif /* _ASM_POWERPC_COMPAT_H */
diff --git a/include/asm-powerpc/cputable.h b/include/asm-powerpc/cputable.h
index 79a0556a0ab8..04e2726002cf 100644
--- a/include/asm-powerpc/cputable.h
+++ b/include/asm-powerpc/cputable.h
@@ -2,7 +2,7 @@
 #define __ASM_POWERPC_CPUTABLE_H
 
 #include <linux/config.h>
-#include <asm/ppc_asm.h> /* for ASM_CONST */
+#include <asm/asm-compat.h>
 
 #define PPC_FEATURE_32                  0x80000000
 #define PPC_FEATURE_64                  0x40000000
@@ -16,6 +16,10 @@
 #define PPC_FEATURE_HAS_EFP_SINGLE      0x00400000
 #define PPC_FEATURE_HAS_EFP_DOUBLE      0x00200000
 #define PPC_FEATURE_NO_TB               0x00100000
+#define PPC_FEATURE_POWER4              0x00080000
+#define PPC_FEATURE_POWER5              0x00040000
+#define PPC_FEATURE_POWER5_PLUS         0x00020000
+#define PPC_FEATURE_CELL                0x00010000
 
 #ifdef __KERNEL__
 #ifndef __ASSEMBLY__
diff --git a/include/asm-powerpc/current.h b/include/asm-powerpc/current.h
new file mode 100644
index 000000000000..82cd4a9ca99a
--- /dev/null
+++ b/include/asm-powerpc/current.h
@@ -0,0 +1,27 @@
+#ifndef _ASM_POWERPC_CURRENT_H
+#define _ASM_POWERPC_CURRENT_H
+
+/*
+ * 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.
+ */
+
+struct task_struct;
+
+#ifdef __powerpc64__
+#include <asm/paca.h>
+
+#define current         (get_paca()->__current)
+
+#else
+
+/*
+ * We keep `current' in r2 for speed.
+ */
+register struct task_struct *current asm ("r2");
+
+#endif
+
+#endif /* _ASM_POWERPC_CURRENT_H */
diff --git a/include/asm-powerpc/eeh_event.h b/include/asm-powerpc/eeh_event.h
new file mode 100644
index 000000000000..d168a30b3866
--- /dev/null
+++ b/include/asm-powerpc/eeh_event.h
@@ -0,0 +1,52 @@
+/*
+ *      eeh_event.h
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307 USA
+ *
+ * Copyright (c) 2005 Linas Vepstas <linas@linas.org>
+ */
+
+#ifndef ASM_PPC64_EEH_EVENT_H
+#define ASM_PPC64_EEH_EVENT_H
+
+/** EEH event -- structure holding pci controller data that describes
+ *  a change in the isolation status of a PCI slot.  A pointer
+ *  to this struct is passed as the data pointer in a notify callback.
+ */
+struct eeh_event {
+        struct list_head     list;
+        struct device_node      *dn;   /* struct device node */
+        struct pci_dev       *dev;  /* affected device */
+        int                  state;
+        int time_unavail;    /* milliseconds until device might be available */
+};
+
+/**
+ * eeh_send_failure_event - generate a PCI error event
+ * @dev pci device
+ *
+ * This routine builds a PCI error event which will be delivered
+ * to all listeners on the peh_notifier_chain.
+ *
+ * This routine can be called within an interrupt context;
+ * the actual event will be delivered in a normal context
+ * (from a workqueue).
+ */
+int eeh_send_failure_event (struct device_node *dn,
+                            struct pci_dev *dev,
+                            int reset_state,
+                            int time_unavail);
+
+#endif /* ASM_PPC64_EEH_EVENT_H */
diff --git a/include/asm-powerpc/firmware.h b/include/asm-powerpc/firmware.h
index 806c142ae9ea..12fabbcb04f0 100644
--- a/include/asm-powerpc/firmware.h
+++ b/include/asm-powerpc/firmware.h
@@ -43,6 +43,7 @@
 #define FW_FEATURE_ISERIES      (1UL<<21)
 
 enum {
+#ifdef CONFIG_PPC64
         FW_FEATURE_PSERIES_POSSIBLE = FW_FEATURE_PFT | FW_FEATURE_TCE |
                 FW_FEATURE_SPRG0 | FW_FEATURE_DABR | FW_FEATURE_COPY |
                 FW_FEATURE_ASR | FW_FEATURE_DEBUG | FW_FEATURE_TERM |
@@ -70,6 +71,11 @@ enum {
                 FW_FEATURE_ISERIES_ALWAYS &
 #endif
                 FW_FEATURE_POSSIBLE,
+
+#else /* CONFIG_PPC64 */
+        FW_FEATURE_POSSIBLE = 0,
+        FW_FEATURE_ALWAYS = 0,
+#endif
 };
 
 /* This is used to identify firmware features which are available
diff --git a/include/asm-powerpc/futex.h b/include/asm-powerpc/futex.h
index 37c94e52ab6d..f0319d50b129 100644
--- a/include/asm-powerpc/futex.h
+++ b/include/asm-powerpc/futex.h
@@ -7,13 +7,14 @@
 #include <asm/errno.h>
 #include <asm/synch.h>
 #include <asm/uaccess.h>
-#include <asm/ppc_asm.h>
+#include <asm/asm-compat.h>
 
 #define __futex_atomic_op(insn, ret, oldval, uaddr, oparg) \
   __asm__ __volatile ( \
         SYNC_ON_SMP \
 "1:     lwarx   %0,0,%2\n" \
         insn \
+        PPC405_ERR77(0, %2) \
 "2:     stwcx.  %1,0,%2\n" \
         "bne-   1b\n" \
         "li     %1,0\n" \
@@ -23,7 +24,7 @@
         ".previous\n" \
         ".section __ex_table,\"a\"\n" \
         ".align 3\n" \
-        DATAL " 1b,4b,2b,4b\n" \
+        PPC_LONG "1b,4b,2b,4b\n" \
         ".previous" \
         : "=&r" (oldval), "=&r" (ret) \
         : "b" (uaddr), "i" (-EFAULT), "1" (oparg) \
diff --git a/include/asm-ppc64/hvcall.h b/include/asm-powerpc/hvcall.h
index ab7c3cf24888..d36da61dbc53 100644
--- a/include/asm-ppc64/hvcall.h
+++ b/include/asm-powerpc/hvcall.h
@@ -1,5 +1,5 @@
-#ifndef _PPC64_HVCALL_H
-#define _PPC64_HVCALL_H
+#ifndef _ASM_POWERPC_HVCALL_H
+#define _ASM_POWERPC_HVCALL_H
 
 #define HVSC                    .long 0x44000022
 
@@ -138,7 +138,7 @@ long plpar_hcall(unsigned long opcode,
  */
 long plpar_hcall_norets(unsigned long opcode, ...);
 
-/* 
+/*
  * Special hcall interface for ibmveth support.
  * Takes 8 input parms. Returns a rc and stores the
  * R4 return value in *out1.
@@ -153,11 +153,11 @@ long plpar_hcall_8arg_2ret(unsigned long opcode,
                            unsigned long arg7,
                            unsigned long arg8,
                            unsigned long *out1);
- 
+
 /* plpar_hcall_4out()
  *
- * same as plpar_hcall except with 4 output arguments.  
- * 
+ * same as plpar_hcall except with 4 output arguments.
+ *
  */
 long plpar_hcall_4out(unsigned long opcode,
                       unsigned long arg1,
@@ -170,4 +170,4 @@ long plpar_hcall_4out(unsigned long opcode,
                       unsigned long *out4);
 
 #endif /* __ASSEMBLY__ */
-#endif /* _PPC64_HVCALL_H */
+#endif /* _ASM_POWERPC_HVCALL_H */
diff --git a/include/asm-powerpc/hw_irq.h b/include/asm-powerpc/hw_irq.h
index c37b31b96337..26b89d859c56 100644
--- a/include/asm-powerpc/hw_irq.h
+++ b/include/asm-powerpc/hw_irq.h
@@ -12,7 +12,6 @@
 #include <asm/processor.h>
 
 extern void timer_interrupt(struct pt_regs *);
-extern void ppc_irq_dispatch_handler(struct pt_regs *regs, int irq);
 
 #ifdef CONFIG_PPC_ISERIES
 
diff --git a/include/asm-powerpc/irq.h b/include/asm-powerpc/irq.h
index b3935ea28fff..c9fbcede0ef9 100644
--- a/include/asm-powerpc/irq.h
+++ b/include/asm-powerpc/irq.h
@@ -429,7 +429,6 @@ extern u64 ppc64_interrupt_controller;
 #define NR_MASK_WORDS   ((NR_IRQS + 31) / 32)
 /* pedantic: these are long because they are used with set_bit --RR */
 extern unsigned long ppc_cached_irq_mask[NR_MASK_WORDS];
-extern unsigned long ppc_lost_interrupts[NR_MASK_WORDS];
 extern atomic_t ppc_n_lost_interrupts;
 
 #define virt_irq_create_mapping(x)      (x)
@@ -488,8 +487,8 @@ extern struct thread_info *softirq_ctx[NR_CPUS];
 
 extern void irq_ctx_init(void);
 extern void call_do_softirq(struct thread_info *tp);
-extern int call_handle_IRQ_event(int irq, struct pt_regs *regs,
-                        struct irqaction *action, struct thread_info *tp);
+extern int call___do_IRQ(int irq, struct pt_regs *regs,
+                struct thread_info *tp);
 
 #define __ARCH_HAS_DO_SOFTIRQ
 
diff --git a/include/asm-ppc64/lppaca.h b/include/asm-powerpc/lppaca.h
index 9e2a6c0649a0..c1bedab1515b 100644
--- a/include/asm-ppc64/lppaca.h
+++ b/include/asm-powerpc/lppaca.h
@@ -16,8 +16,8 @@
  * along with this program; if not, write to the Free Software
  * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307 USA
  */
-#ifndef _ASM_LPPACA_H
-#define _ASM_LPPACA_H
+#ifndef _ASM_POWERPC_LPPACA_H
+#define _ASM_POWERPC_LPPACA_H
 
 //=============================================================================
 //
@@ -28,8 +28,7 @@
 //----------------------------------------------------------------------------
 #include <asm/types.h>
 
-struct lppaca
-{
+struct lppaca {
 //=============================================================================
 // CACHE_LINE_1 0x0000 - 0x007F Contains read-only data
 // NOTE: The xDynXyz fields are fields that will be dynamically changed by
@@ -129,4 +128,4 @@ struct lppaca
         u8      pmc_save_area[256];     // PMC interrupt Area           x00-xFF
 };
 
-#endif /* _ASM_LPPACA_H */
+#endif /* _ASM_POWERPC_LPPACA_H */
diff --git a/include/asm-ppc64/paca.h b/include/asm-powerpc/paca.h
index bccacd6aa93a..92c765c35bd0 100644
--- a/include/asm-ppc64/paca.h
+++ b/include/asm-powerpc/paca.h
@@ -1,11 +1,8 @@
-#ifndef _PPC64_PACA_H
-#define _PPC64_PACA_H
-
 /*
- * include/asm-ppc64/paca.h
+ * include/asm-powerpc/paca.h
  *
- * This control block defines the PACA which defines the processor 
- * specific data for each logical processor on the system.  
+ * This control block defines the PACA which defines the processor
+ * specific data for each logical processor on the system.
  * There are some pointers defined that are utilized by PLIC.
  *
  * C 2001 PPC 64 Team, IBM Corp
@@ -14,7 +11,9 @@
  * 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_POWERPC_PACA_H
+#define _ASM_POWERPC_PACA_H
 
 #include        <linux/config.h>
 #include        <asm/types.h>
@@ -118,4 +117,4 @@ struct paca_struct {
 
 extern struct paca_struct paca[];
 
-#endif /* _PPC64_PACA_H */
+#endif /* _ASM_POWERPC_PACA_H */
diff --git a/include/asm-powerpc/ppc-pci.h b/include/asm-powerpc/ppc-pci.h
index 13aacff755f3..9896fade98a7 100644
--- a/include/asm-powerpc/ppc-pci.h
+++ b/include/asm-powerpc/ppc-pci.h
@@ -26,6 +26,10 @@ extern unsigned long find_and_init_phbs(void);
 
 extern struct pci_dev *ppc64_isabridge_dev;     /* may be NULL if no ISA bus */
 
+/** Bus Unit ID macros; get low and hi 32-bits of the 64-bit BUID */
+#define BUID_HI(buid) ((buid) >> 32)
+#define BUID_LO(buid) ((buid) & 0xffffffff)
+
 /* PCI device_node operations */
 struct device_node;
 typedef void *(*traverse_func)(struct device_node *me, void *data);
@@ -36,10 +40,6 @@ void pci_devs_phb_init(void);
 void pci_devs_phb_init_dynamic(struct pci_controller *phb);
 void __devinit scan_phb(struct pci_controller *hose);
 
-/* PCI address cache management routines */
-void pci_addr_cache_insert_device(struct pci_dev *dev);
-void pci_addr_cache_remove_device(struct pci_dev *dev);
-
 /* From rtas_pci.h */
 void init_pci_config_tokens (void);
 unsigned long get_phb_buid (struct device_node *);
@@ -52,4 +52,48 @@ extern unsigned long pci_probe_only;
 extern unsigned long pci_assign_all_buses;
 extern int pci_read_irq_line(struct pci_dev *pci_dev);
 
+/* ---- EEH internal-use-only related routines ---- */
+#ifdef CONFIG_EEH
+/**
+ * rtas_set_slot_reset -- unfreeze a frozen slot
+ *
+ * Clear the EEH-frozen condition on a slot.  This routine
+ * does this by asserting the PCI #RST line for 1/8th of
+ * a second; this routine will sleep while the adapter is
+ * being reset.
+ */
+void rtas_set_slot_reset (struct pci_dn *);
+
+/** 
+ * eeh_restore_bars - Restore device configuration info.
+ *
+ * A reset of a PCI device will clear out its config space.
+ * This routines will restore the config space for this
+ * device, and is children, to values previously obtained
+ * from the firmware.
+ */
+void eeh_restore_bars(struct pci_dn *);
+
+/**
+ * rtas_configure_bridge -- firmware initialization of pci bridge
+ *
+ * Ask the firmware to configure all PCI bridges devices
+ * located behind the indicated node. Required after a
+ * pci device reset. Does essentially the same hing as
+ * eeh_restore_bars, but for brdges, and lets firmware 
+ * do the work.
+ */
+void rtas_configure_bridge(struct pci_dn *);
+
+int rtas_write_config(struct pci_dn *, int where, int size, u32 val);
+
+/**
+ * mark and clear slots: find "partition endpoint" PE and set or 
+ * clear the flags for each subnode of the PE.
+ */
+void eeh_mark_slot (struct device_node *dn, int mode_flag);
+void eeh_clear_slot (struct device_node *dn, int mode_flag);
+
+#endif
+
 #endif /* _ASM_POWERPC_PPC_PCI_H */
diff --git a/include/asm-powerpc/ppc_asm.h b/include/asm-powerpc/ppc_asm.h
index c534ca41224b..c27baa0563fe 100644
--- a/include/asm-powerpc/ppc_asm.h
+++ b/include/asm-powerpc/ppc_asm.h
@@ -6,8 +6,13 @@
 
 #include <linux/stringify.h>
 #include <linux/config.h>
+#include <asm/asm-compat.h>
 
-#ifdef __ASSEMBLY__
+#ifndef __ASSEMBLY__
+#error __FILE__ should only be used in assembler files
+#else
+
+#define SZL                     (BITS_PER_LONG/8)
 
 /*
  * Macros for storing registers into and loading registers from
@@ -184,12 +189,6 @@ n:
         oris    reg,reg,(label)@h;                      \
         ori     reg,reg,(label)@l;
 
-/* operations for longs and pointers */
-#define LDL     ld
-#define STL     std
-#define CMPI    cmpdi
-#define SZL     8
-
 /* offsets for stack frame layout */
 #define LRSAVE  16
 
@@ -203,12 +202,6 @@ n:
 
 #define OFF(name)       name@l
 
-/* operations for longs and pointers */
-#define LDL     lwz
-#define STL     stw
-#define CMPI    cmpwi
-#define SZL     4
-
 /* offsets for stack frame layout */
 #define LRSAVE  4
 
@@ -266,15 +259,6 @@ END_FTR_SECTION_IFCLR(CPU_FTR_601)
 #endif
 
 
-#ifdef CONFIG_IBM405_ERR77
-#define PPC405_ERR77(ra,rb)     dcbt    ra, rb;
-#define PPC405_ERR77_SYNC       sync;
-#else
-#define PPC405_ERR77(ra,rb)
-#define PPC405_ERR77_SYNC
-#endif
-
-
 #ifdef CONFIG_IBM440EP_ERR42
 #define PPC440EP_ERR42 isync
 #else
@@ -502,17 +486,6 @@ END_FTR_SECTION_IFCLR(CPU_FTR_601)
 #define N_SLINE 68
 #define N_SO    100
 
-#define ASM_CONST(x) x
-#else
-  #define __ASM_CONST(x) x##UL
-  #define ASM_CONST(x) __ASM_CONST(x)
-
-#ifdef CONFIG_PPC64
-#define DATAL   ".llong"
-#else
-#define DATAL   ".long"
-#endif
-
 #endif /*  __ASSEMBLY__ */
 
 #endif /* _ASM_POWERPC_PPC_ASM_H */
diff --git a/include/asm-powerpc/processor.h b/include/asm-powerpc/processor.h
index 1dc4bf7b52b3..f6f186b56b0f 100644
--- a/include/asm-powerpc/processor.h
+++ b/include/asm-powerpc/processor.h
@@ -17,65 +17,71 @@
 #include <linux/compiler.h>
 #include <asm/ptrace.h>
 #include <asm/types.h>
-#ifdef CONFIG_PPC64
-#include <asm/systemcfg.h>
-#endif
 
-#ifdef CONFIG_PPC32
-/* 32-bit platform types */
-/* We only need to define a new _MACH_xxx for machines which are part of
- * a configuration which supports more than one type of different machine.
- * This is currently limited to CONFIG_PPC_MULTIPLATFORM and CHRP/PReP/PMac.
- * -- Tom
+/* We do _not_ want to define new machine types at all, those must die
+ * in favor of using the device-tree
+ * -- BenH.
  */
-#define _MACH_prep      0x00000001
-#define _MACH_Pmac      0x00000002      /* pmac or pmac clone (non-chrp) */
-#define _MACH_chrp      0x00000004      /* chrp machine */
 
-/* see residual.h for these */
+/* Platforms codes (to be obsoleted) */
+#define PLATFORM_PSERIES        0x0100
+#define PLATFORM_PSERIES_LPAR   0x0101
+#define PLATFORM_ISERIES_LPAR   0x0201
+#define PLATFORM_LPAR           0x0001
+#define PLATFORM_POWERMAC       0x0400
+#define PLATFORM_MAPLE          0x0500
+#define PLATFORM_PREP           0x0600
+#define PLATFORM_CHRP           0x0700
+#define PLATFORM_CELL           0x1000
+
+/* Compat platform codes for 32 bits */
+#define _MACH_prep      PLATFORM_PREP
+#define _MACH_Pmac      PLATFORM_POWERMAC
+#define _MACH_chrp      PLATFORM_CHRP
+
+/* PREP sub-platform types see residual.h for these */
 #define _PREP_Motorola  0x01    /* motorola prep */
 #define _PREP_Firm      0x02    /* firmworks prep */
 #define _PREP_IBM       0x00    /* ibm prep */
 #define _PREP_Bull      0x03    /* bull prep */
 
-/* these are arbitrary */
+/* CHRP sub-platform types. These are arbitrary */
 #define _CHRP_Motorola  0x04    /* motorola chrp, the cobra */
 #define _CHRP_IBM       0x05    /* IBM chrp, the longtrail and longtrail 2 */
 #define _CHRP_Pegasos   0x06    /* Genesi/bplan's Pegasos and Pegasos2 */
 
-#ifdef CONFIG_PPC_MULTIPLATFORM
+#define platform_is_pseries()   (_machine == PLATFORM_PSERIES || \
+                                 _machine == PLATFORM_PSERIES_LPAR)
+#define platform_is_lpar()      (!!(_machine & PLATFORM_LPAR))
+
+#if defined(CONFIG_PPC_MULTIPLATFORM)
 extern int _machine;
 
+#ifdef CONFIG_PPC32
+
 /* what kind of prep workstation we are */
 extern int _prep_type;
 extern int _chrp_type;
 
 /*
  * This is used to identify the board type from a given PReP board
- * vendor. Board revision is also made available.
+ * vendor. Board revision is also made available. This will be moved
+ * elsewhere soon
  */
 extern unsigned char ucSystemType;
 extern unsigned char ucBoardRev;
 extern unsigned char ucBoardRevMaj, ucBoardRevMin;
+
+#endif /* CONFIG_PPC32 */
+
+#elif defined(CONFIG_PPC_ISERIES)
+/*
+ * iSeries is soon to become MULTIPLATFORM hopefully ...
+ */
+#define _machine PLATFORM_ISERIES_LPAR
 #else
 #define _machine 0
 #endif /* CONFIG_PPC_MULTIPLATFORM */
-#endif /* CONFIG_PPC32 */
-
-#ifdef CONFIG_PPC64
-/* Platforms supported by PPC64 */
-#define PLATFORM_PSERIES      0x0100
-#define PLATFORM_PSERIES_LPAR 0x0101
-#define PLATFORM_ISERIES_LPAR 0x0201
-#define PLATFORM_LPAR         0x0001
-#define PLATFORM_POWERMAC     0x0400
-#define PLATFORM_MAPLE        0x0500
-#define PLATFORM_CELL         0x1000
-
-/* Compatibility with drivers coming from PPC32 world */
-#define _machine        (systemcfg->platform)
-#define _MACH_Pmac      PLATFORM_POWERMAC
-#endif
 
 /*
  * Default implementation of macro that returns current
diff --git a/include/asm-powerpc/reg.h b/include/asm-powerpc/reg.h
index 489cf4c99c21..eb392d038ed7 100644
--- a/include/asm-powerpc/reg.h
+++ b/include/asm-powerpc/reg.h
@@ -16,7 +16,11 @@
 /* Pickup Book E specific registers. */
 #if defined(CONFIG_BOOKE) || defined(CONFIG_40x)
 #include <asm/reg_booke.h>
-#endif
+#endif /* CONFIG_BOOKE || CONFIG_40x */
+
+#ifdef CONFIG_8xx
+#include <asm/reg_8xx.h>
+#endif /* CONFIG_8xx */
 
 #define MSR_SF_LG       63              /* Enable 64 bit mode */
 #define MSR_ISF_LG      61              /* Interrupt 64b mode valid on 630 */
@@ -359,6 +363,7 @@
 #define SPRN_RPA        0x3D6   /* Required Physical Address Register */
 #define SPRN_SDA        0x3BF   /* Sampled Data Address Register */
 #define SPRN_SDR1       0x019   /* MMU Hash Base Register */
+#define SPRN_ASR        0x118   /* Address Space Register */
 #define SPRN_SIA        0x3BB   /* Sampled Instruction Address Register */
 #define SPRN_SPRG0      0x110   /* Special Purpose Register General 0 */
 #define SPRN_SPRG1      0x111   /* Special Purpose Register General 1 */
diff --git a/include/asm-ppc/cache.h b/include/asm-powerpc/reg_8xx.h
index 7a157d0f4b5f..e8ea346b21d3 100644
--- a/include/asm-ppc/cache.h
+++ b/include/asm-powerpc/reg_8xx.h
@@ -1,49 +1,9 @@
 /*
- * include/asm-ppc/cache.h
+ * Contains register definitions common to PowerPC 8xx CPUs.  Notice
  */
-#ifdef __KERNEL__
-#ifndef __ARCH_PPC_CACHE_H
-#define __ARCH_PPC_CACHE_H
+#ifndef _ASM_POWERPC_REG_8xx_H
+#define _ASM_POWERPC_REG_8xx_H
 
-#include <linux/config.h>
-
-/* bytes per L1 cache line */
-#if defined(CONFIG_8xx) || defined(CONFIG_403GCX)
-#define L1_CACHE_SHIFT  4
-#define MAX_COPY_PREFETCH       1
-#elif defined(CONFIG_PPC64BRIDGE)
-#define L1_CACHE_SHIFT  7
-#define MAX_COPY_PREFETCH       1
-#else
-#define L1_CACHE_SHIFT  5
-#define MAX_COPY_PREFETCH       4
-#endif
-
-#define L1_CACHE_BYTES  (1 << L1_CACHE_SHIFT)
-
-#define SMP_CACHE_BYTES L1_CACHE_BYTES
-#define L1_CACHE_SHIFT_MAX 7    /* largest L1 which this arch supports */
-
-#define L1_CACHE_ALIGN(x)       (((x)+(L1_CACHE_BYTES-1))&~(L1_CACHE_BYTES-1))
-#define L1_CACHE_PAGES          8
-
-#ifndef __ASSEMBLY__
-extern void clean_dcache_range(unsigned long start, unsigned long stop);
-extern void flush_dcache_range(unsigned long start, unsigned long stop);
-extern void invalidate_dcache_range(unsigned long start, unsigned long stop);
-extern void flush_dcache_all(void);
-#endif /* __ASSEMBLY__ */
-
-/* prep registers for L2 */
-#define CACHECRBA       0x80000823      /* Cache configuration register address */
-#define L2CACHE_MASK    0x03    /* Mask for 2 L2 Cache bits */
-#define L2CACHE_512KB   0x00    /* 512KB */
-#define L2CACHE_256KB   0x01    /* 256KB */
-#define L2CACHE_1MB     0x02    /* 1MB */
-#define L2CACHE_NONE    0x03    /* NONE */
-#define L2CACHE_PARITY  0x08    /* Mask for L2 Cache Parity Protected bit */
-
-#ifdef CONFIG_8xx
 /* Cache control on the MPC8xx is provided through some additional
  * special purpose registers.
  */
@@ -78,7 +38,5 @@ extern void flush_dcache_all(void);
 
 #define DC_DFWT         0x40000000      /* Data cache is forced write through */
 #define DC_LES          0x20000000      /* Caches are little endian mode */
-#endif /* CONFIG_8xx */
 
-#endif
-#endif /* __KERNEL__ */
+#endif /* _ASM_POWERPC_REG_8xx_H */
diff --git a/include/asm-ppc/signal.h b/include/asm-powerpc/signal.h
index caf6ede3710f..694c8d2dab87 100644
--- a/include/asm-ppc/signal.h
+++ b/include/asm-powerpc/signal.h
@@ -1,18 +1,11 @@
-#ifndef _ASMPPC_SIGNAL_H
-#define _ASMPPC_SIGNAL_H
+#ifndef _ASM_POWERPC_SIGNAL_H
+#define _ASM_POWERPC_SIGNAL_H
 
-#ifdef __KERNEL__
 #include <linux/types.h>
-#endif /* __KERNEL__ */
-
-/* Avoid too many header ordering problems.  */
-struct siginfo;
-
-/* Most things should be clean enough to redefine this at will, if care
-   is taken to make libc match.  */
+#include <linux/config.h>
 
 #define _NSIG           64
-#define _NSIG_BPW       32
+#define _NSIG_BPW       BITS_PER_LONG
 #define _NSIG_WORDS     (_NSIG / _NSIG_BPW)
 
 typedef unsigned long old_sigset_t;             /* at least 32 bits */
@@ -77,19 +70,19 @@ typedef struct {
  * SA_ONESHOT and SA_NOMASK are the historical Linux names for the Single
  * Unix names RESETHAND and NODEFER respectively.
  */
-#define SA_NOCLDSTOP    0x00000001
-#define SA_NOCLDWAIT    0x00000002
-#define SA_SIGINFO      0x00000004
-#define SA_ONSTACK      0x08000000
-#define SA_RESTART      0x10000000
-#define SA_NODEFER      0x40000000
-#define SA_RESETHAND    0x80000000
+#define SA_NOCLDSTOP    0x00000001U
+#define SA_NOCLDWAIT    0x00000002U
+#define SA_SIGINFO      0x00000004U
+#define SA_ONSTACK      0x08000000U
+#define SA_RESTART      0x10000000U
+#define SA_NODEFER      0x40000000U
+#define SA_RESETHAND    0x80000000U
 
 #define SA_NOMASK       SA_NODEFER
 #define SA_ONESHOT      SA_RESETHAND
-#define SA_INTERRUPT    0x20000000 /* dummy -- ignored */
+#define SA_INTERRUPT    0x20000000u /* dummy -- ignored */
 
-#define SA_RESTORER     0x04000000
+#define SA_RESTORER     0x04000000U
 
 /*
  * sigaltstack controls
@@ -127,10 +120,13 @@ typedef struct sigaltstack {
 } stack_t;
 
 #ifdef __KERNEL__
-#include <asm/sigcontext.h>
+struct pt_regs;
+extern int do_signal(sigset_t *oldset, struct pt_regs *regs);
+extern int do_signal32(sigset_t *oldset, struct pt_regs *regs);
 #define ptrace_signal_deliver(regs, cookie) do { } while (0)
 #endif /* __KERNEL__ */
 
+#ifndef __powerpc64__
 /*
  * These are parameters to dbg_sigreturn syscall.  They enable or
  * disable certain debugging things that can be done from signal
@@ -149,5 +145,6 @@ struct sig_dbg_op {
 
 /* Enable or disable branch tracing.  The value sets the state. */
 #define SIG_DBG_BRANCH_TRACING          2
+#endif /* ! __powerpc64__ */
 
-#endif
+#endif /* _ASM_POWERPC_SIGNAL_H */
diff --git a/include/asm-powerpc/sparsemem.h b/include/asm-powerpc/sparsemem.h
index 1c95ab99deb3..58d2aab416f8 100644
--- a/include/asm-powerpc/sparsemem.h
+++ b/include/asm-powerpc/sparsemem.h
@@ -11,6 +11,10 @@
 #define MAX_PHYSADDR_BITS       38
 #define MAX_PHYSMEM_BITS        36
 
+#ifdef CONFIG_MEMORY_HOTPLUG
+extern void create_section_mapping(unsigned long start, unsigned long end);
+#endif /* CONFIG_MEMORY_HOTPLUG */
+
 #endif /* CONFIG_SPARSEMEM */
 
 #endif /* _ASM_POWERPC_SPARSEMEM_H */
diff --git a/include/asm-powerpc/system.h b/include/asm-powerpc/system.h
index 3536a5cd7a2d..5341b75c75cb 100644
--- a/include/asm-powerpc/system.h
+++ b/include/asm-powerpc/system.h
@@ -8,7 +8,6 @@
 #include <linux/kernel.h>
 
 #include <asm/hw_irq.h>
-#include <asm/ppc_asm.h>
 #include <asm/atomic.h>
 
 /*
@@ -180,6 +179,7 @@ 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 unsigned long memory_limit;
+extern unsigned long klimit;
 
 extern int powersave_nap;       /* set if nap mode can be used in idle loop */
 
diff --git a/include/asm-ppc64/systemcfg.h b/include/asm-powerpc/systemcfg.h
index 9b86b53129aa..36b5cbe466f1 100644
--- a/include/asm-ppc64/systemcfg.h
+++ b/include/asm-powerpc/systemcfg.h
@@ -1,7 +1,7 @@
 #ifndef _SYSTEMCFG_H
 #define _SYSTEMCFG_H
 
-/* 
+/*
  * Copyright (C) 2002 Peter Bergner <bergner@vnet.ibm.com>, IBM
  *
  * This program is free software; you can redistribute it and/or
@@ -12,7 +12,7 @@
 
 /* Change Activity:
  * 2002/09/30 : bergner  : Created
- * End Change Activity 
+ * End Change Activity
  */
 
 /*
@@ -56,7 +56,7 @@ struct systemcfg {
 };
 
 #ifdef __KERNEL__
-extern struct systemcfg *systemcfg;
+extern struct systemcfg *_systemcfg; /* to be renamed */
 #endif
 
 #endif /* __ASSEMBLY__ */
diff --git a/include/asm-ppc64/tce.h b/include/asm-powerpc/tce.h
index d40b6b42ab35..d099d5200f9b 100644
--- a/include/asm-ppc64/tce.h
+++ b/include/asm-powerpc/tce.h
@@ -18,8 +18,8 @@
  * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307 USA
  */
 
-#ifndef _ASM_TCE_H
-#define _ASM_TCE_H
+#ifndef _ASM_POWERPC_TCE_H
+#define _ASM_POWERPC_TCE_H
 
 /*
  * Tces come in two formats, one for the virtual bus and a different
@@ -61,4 +61,4 @@ union tce_entry {
 };
 
 
-#endif
+#endif /* _ASM_POWERPC_TCE_H */
diff --git a/include/asm-powerpc/uaccess.h b/include/asm-powerpc/uaccess.h
index 33af730f0d19..3872e924cdd6 100644
--- a/include/asm-powerpc/uaccess.h
+++ b/include/asm-powerpc/uaccess.h
@@ -120,14 +120,6 @@ struct exception_table_entry {
 
 extern long __put_user_bad(void);
 
-#ifdef __powerpc64__
-#define __EX_TABLE_ALIGN        "3"
-#define __EX_TABLE_TYPE         "llong"
-#else
-#define __EX_TABLE_ALIGN        "2"
-#define __EX_TABLE_TYPE         "long"
-#endif
-
 /*
  * We don't tell gcc that we are accessing memory, but this is OK
  * because we do not write to any memory gcc knows about, so there
@@ -142,11 +134,12 @@ extern long __put_user_bad(void);
                 "       b 2b\n"                                 \
                 ".previous\n"                                   \
                 ".section __ex_table,\"a\"\n"                   \
-                "       .align " __EX_TABLE_ALIGN "\n"          \
-                "       ."__EX_TABLE_TYPE" 1b,3b\n"             \
+                "       .balign %5\n"                           \
+                        PPC_LONG "1b,3b\n"                      \
                 ".previous"                                     \
                 : "=r" (err)                                    \
-                : "r" (x), "b" (addr), "i" (-EFAULT), "0" (err))
+                : "r" (x), "b" (addr), "i" (-EFAULT), "0" (err),\
+                  "i"(sizeof(unsigned long)))
 
 #ifdef __powerpc64__
 #define __put_user_asm2(x, ptr, retval)                         \
@@ -162,12 +155,13 @@ extern long __put_user_bad(void);
                 "       b 3b\n"                                 \
                 ".previous\n"                                   \
                 ".section __ex_table,\"a\"\n"                   \
-                "       .align " __EX_TABLE_ALIGN "\n"          \
-                "       ." __EX_TABLE_TYPE " 1b,4b\n"           \
-                "       ." __EX_TABLE_TYPE " 2b,4b\n"           \
+                "       .balign %5\n"                           \
+                        PPC_LONG "1b,4b\n"                      \
+                        PPC_LONG "2b,4b\n"                      \
                 ".previous"                                     \
                 : "=r" (err)                                    \
-                : "r" (x), "b" (addr), "i" (-EFAULT), "0" (err))
+                : "r" (x), "b" (addr), "i" (-EFAULT), "0" (err),\
+                  "i"(sizeof(unsigned long)))
 #endif /* __powerpc64__ */
 
 #define __put_user_size(x, ptr, size, retval)                   \
@@ -213,11 +207,12 @@ extern long __get_user_bad(void);
                 "       b 2b\n"                         \
                 ".previous\n"                           \
                 ".section __ex_table,\"a\"\n"           \
-                "       .align "__EX_TABLE_ALIGN "\n"   \
-                "       ." __EX_TABLE_TYPE " 1b,3b\n"   \
+                "       .balign %5\n"                   \
+                        PPC_LONG "1b,3b\n"              \
                 ".previous"                             \
                 : "=r" (err), "=r" (x)                  \
-                : "b" (addr), "i" (-EFAULT), "0" (err))
+                : "b" (addr), "i" (-EFAULT), "0" (err), \
+                  "i"(sizeof(unsigned long)))
 
 #ifdef __powerpc64__
 #define __get_user_asm2(x, addr, err)                   \
@@ -235,12 +230,13 @@ extern long __get_user_bad(void);
                 "       b 3b\n"                         \
                 ".previous\n"                           \
                 ".section __ex_table,\"a\"\n"           \
-                "       .align " __EX_TABLE_ALIGN "\n"  \
-                "       ." __EX_TABLE_TYPE " 1b,4b\n"   \
-                "       ." __EX_TABLE_TYPE " 2b,4b\n"   \
+                "       .balign %5\n"                   \
+                        PPC_LONG "1b,4b\n"              \
+                        PPC_LONG "2b,4b\n"              \
                 ".previous"                             \
                 : "=r" (err), "=&r" (x)                 \
-                : "b" (addr), "i" (-EFAULT), "0" (err))
+                : "b" (addr), "i" (-EFAULT), "0" (err), \
+                  "i"(sizeof(unsigned long)))
 #endif /* __powerpc64__ */
 
 #define __get_user_size(x, ptr, size, retval)                   \
diff --git a/include/asm-powerpc/xmon.h b/include/asm-powerpc/xmon.h
index ace2072d4a83..43f7129984c7 100644
--- a/include/asm-powerpc/xmon.h
+++ b/include/asm-powerpc/xmon.h
@@ -7,7 +7,6 @@ struct pt_regs;
 extern int xmon(struct pt_regs *excp);
 extern void xmon_printf(const char *fmt, ...);
 extern void xmon_init(int);
-extern void xmon_map_scc(void);
 
 #endif
 #endif
diff --git a/include/asm-ppc/cacheflush.h b/include/asm-ppc/cacheflush.h
deleted file mode 100644
index 6a243efb3317..000000000000
--- a/include/asm-ppc/cacheflush.h
+++ /dev/null
@@ -1,49 +0,0 @@
-/*
- * include/asm-ppc/cacheflush.h
- *
- *  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 _PPC_CACHEFLUSH_H
-#define _PPC_CACHEFLUSH_H
-
-#include <linux/mm.h>
-
-/*
- * No cache flushing is required when address mappings are
- * changed, because the caches on PowerPCs are physically
- * addressed.  -- paulus
- * Also, when SMP we use the coherency (M) bit of the
- * BATs and PTEs.  -- Cort
- */
-#define flush_cache_all()               do { } while (0)
-#define flush_cache_mm(mm)              do { } while (0)
-#define flush_cache_range(vma, a, b)    do { } while (0)
-#define flush_cache_page(vma, p, pfn)   do { } while (0)
-#define flush_icache_page(vma, page)    do { } while (0)
-#define flush_cache_vmap(start, end)    do { } while (0)
-#define flush_cache_vunmap(start, end)  do { } while (0)
-
-extern void flush_dcache_page(struct page *page);
-#define flush_dcache_mmap_lock(mapping)         do { } while (0)
-#define flush_dcache_mmap_unlock(mapping)       do { } while (0)
-
-extern void flush_icache_range(unsigned long, unsigned long);
-extern void flush_icache_user_range(struct vm_area_struct *vma,
-                struct page *page, unsigned long addr, int len);
-
-#define copy_to_user_page(vma, page, vaddr, dst, src, len) \
-do { memcpy(dst, src, len); \
-     flush_icache_user_range(vma, page, vaddr, len); \
-} while (0)
-#define copy_from_user_page(vma, page, vaddr, dst, src, len) \
-        memcpy(dst, src, len)
-
-extern void __flush_dcache_icache(void *page_va);
-extern void __flush_dcache_icache_phys(unsigned long physaddr);
-extern void flush_dcache_icache_page(struct page *page);
-#endif /* _PPC_CACHEFLUSH_H */
-#endif /* __KERNEL__ */
diff --git a/include/asm-ppc/current.h b/include/asm-ppc/current.h
deleted file mode 100644
index 8d41501ba10d..000000000000
--- a/include/asm-ppc/current.h
+++ /dev/null
@@ -1,11 +0,0 @@
-#ifdef __KERNEL__
-#ifndef _PPC_CURRENT_H
-#define _PPC_CURRENT_H
-
-/*
- * We keep `current' in r2 for speed.
- */
-register struct task_struct *current asm ("r2");
-
-#endif /* !(_PPC_CURRENT_H) */
-#endif /* __KERNEL__ */
diff --git a/include/asm-ppc64/cache.h b/include/asm-ppc64/cache.h
deleted file mode 100644
index 92140a7efbd1..000000000000
--- a/include/asm-ppc64/cache.h
+++ /dev/null
@@ -1,36 +0,0 @@
-/*
- * 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 __ARCH_PPC64_CACHE_H
-#define __ARCH_PPC64_CACHE_H
-
-#include <asm/types.h>
-
-/* bytes per L1 cache line */
-#define L1_CACHE_SHIFT  7
-#define L1_CACHE_BYTES  (1 << L1_CACHE_SHIFT)
-
-#define SMP_CACHE_BYTES L1_CACHE_BYTES
-#define L1_CACHE_SHIFT_MAX 7    /* largest L1 which this arch supports */
-
-#ifndef __ASSEMBLY__
-
-struct ppc64_caches {
-        u32     dsize;                  /* L1 d-cache size */
-        u32     dline_size;             /* L1 d-cache line size */
-        u32     log_dline_size;
-        u32     dlines_per_page;
-        u32     isize;                  /* L1 i-cache size */
-        u32     iline_size;             /* L1 i-cache line size */
-        u32     log_iline_size;
-        u32     ilines_per_page;
-};
-
-extern struct ppc64_caches ppc64_caches;
-
-#endif
-
-#endif
diff --git a/include/asm-ppc64/current.h b/include/asm-ppc64/current.h
deleted file mode 100644
index 52ddc60c8b65..000000000000
--- a/include/asm-ppc64/current.h
+++ /dev/null
@@ -1,16 +0,0 @@
-#ifndef _PPC64_CURRENT_H
-#define _PPC64_CURRENT_H
-
-#include <asm/paca.h>
-
-/*
- * 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.
- */
-
-#define get_current()   (get_paca()->__current)
-#define current         get_current()
-
-#endif /* !(_PPC64_CURRENT_H) */
diff --git a/include/asm-ppc64/eeh.h b/include/asm-ppc64/eeh.h
index 40c8eb57493e..89f26ab31908 100644
--- a/include/asm-ppc64/eeh.h
+++ b/include/asm-ppc64/eeh.h
@@ -1,4 +1,4 @@
-/* 
+/*
  * eeh.h
  * Copyright (C) 2001  Dave Engebretsen & Todd Inglett IBM Corporation.
  *
@@ -6,12 +6,12 @@
  * it under the terms of the GNU General Public License as published by
  * the Free Software Foundation; either version 2 of the License, or
  * (at your option) any later version.
- * 
+ *
  * This program is distributed in the hope that it will be useful,
  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  * GNU General Public License for more details.
- * 
+ *
  * You should have received a copy of the GNU General Public License
  * along with this program; if not, write to the Free Software
  * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307 USA
@@ -27,8 +27,6 @@
 
 struct pci_dev;
 struct device_node;
-struct device_node;
-struct notifier_block;
 
 #ifdef CONFIG_EEH
 
@@ -37,6 +35,10 @@ struct notifier_block;
 #define EEH_MODE_NOCHECK        (1<<1)
 #define EEH_MODE_ISOLATED       (1<<2)
 
+/* Max number of EEH freezes allowed before we consider the device
+ * to be permanently disabled. */
+#define EEH_MAX_ALLOWED_FREEZES 5
+
 void __init eeh_init(void);
 unsigned long eeh_check_failure(const volatile void __iomem *token,
                                 unsigned long val);
@@ -59,36 +61,14 @@ void eeh_add_device_late(struct pci_dev *);
  * eeh_remove_device - undo EEH setup for the indicated pci device
  * @dev: pci device to be removed
  *
- * This routine should be when a device is removed from a running
- * system (e.g. by hotplug or dlpar).
+ * This routine should be called when a device is removed from
+ * a running system (e.g. by hotplug or dlpar).  It unregisters
+ * the PCI device from the EEH subsystem.  I/O errors affecting
+ * this device will no longer be detected after this call; thus,
+ * i/o errors affecting this slot may leave this device unusable.
  */
 void eeh_remove_device(struct pci_dev *);
 
-#define EEH_DISABLE             0
-#define EEH_ENABLE              1
-#define EEH_RELEASE_LOADSTORE   2
-#define EEH_RELEASE_DMA         3
-
-/**
- * Notifier event flags.
- */
-#define EEH_NOTIFY_FREEZE  1
-
-/** EEH event -- structure holding pci slot data that describes
- *  a change in the isolation status of a PCI slot.  A pointer
- *  to this struct is passed as the data pointer in a notify callback.
- */
-struct eeh_event {
-        struct list_head     list;
-        struct pci_dev       *dev;
-        struct device_node   *dn;
-        int                  reset_state;
-};
-
-/** Register to find out about EEH events. */
-int eeh_register_notifier(struct notifier_block *nb);
-int eeh_unregister_notifier(struct notifier_block *nb);
-
 /**
  * EEH_POSSIBLE_ERROR() -- test for possible MMIO failure.
  *
@@ -129,7 +109,7 @@ static inline void eeh_remove_device(struct pci_dev *dev) { }
 #define EEH_IO_ERROR_VALUE(size) (-1UL)
 #endif /* CONFIG_EEH */
 
-/* 
+/*
  * MMIO read/write operations with EEH support.
  */
 static inline u8 eeh_readb(const volatile void __iomem *addr)
diff --git a/include/asm-ppc64/mmu.h b/include/asm-ppc64/mmu.h
index 4c18a5cb69f5..1a7e0afa2dc6 100644
--- a/include/asm-ppc64/mmu.h
+++ b/include/asm-ppc64/mmu.h
@@ -14,7 +14,7 @@
 #define _PPC64_MMU_H_
 
 #include <linux/config.h>
-#include <asm/ppc_asm.h> /* for ASM_CONST */
+#include <asm/asm-compat.h>
 #include <asm/page.h>
 
 /*
@@ -224,9 +224,12 @@ extern int htab_bolt_mapping(unsigned long vstart, unsigned long vend,
                              unsigned long pstart, unsigned long mode,
                              int psize);
 
+extern void htab_initialize(void);
+extern void htab_initialize_secondary(void);
 extern void hpte_init_native(void);
 extern void hpte_init_lpar(void);
 extern void hpte_init_iSeries(void);
+extern void mm_init_ppc64(void);
 
 extern long pSeries_lpar_hpte_insert(unsigned long hpte_group,
                                      unsigned long va, unsigned long prpn,
@@ -245,6 +248,7 @@ extern long iSeries_hpte_insert(unsigned long hpte_group,
 
 extern void stabs_alloc(void);
 extern void slb_initialize(void);
+extern void stab_initialize(unsigned long stab);
 
 #endif /* __ASSEMBLY__ */
 
diff --git a/include/asm-ppc64/mmzone.h b/include/asm-ppc64/mmzone.h
index 80a708e7093a..15e777ce0f4a 100644
--- a/include/asm-ppc64/mmzone.h
+++ b/include/asm-ppc64/mmzone.h
@@ -33,6 +33,9 @@ extern int numa_cpu_lookup_table[];
 extern char *numa_memory_lookup_table;
 extern cpumask_t numa_cpumask_lookup_table[];
 extern int nr_cpus_in_node[];
+#ifdef CONFIG_MEMORY_HOTPLUG
+extern unsigned long max_pfn;
+#endif
 
 /* 16MB regions */
 #define MEMORY_INCREMENT_SHIFT 24
@@ -45,6 +48,11 @@ static inline int pa_to_nid(unsigned long pa)
 {
         int nid;
 
+#ifdef CONFIG_MEMORY_HOTPLUG
+        /* kludge hot added sections default to node 0 */
+        if (pa >= (max_pfn << PAGE_SHIFT))
+                return 0;
+#endif
         nid = numa_memory_lookup_table[pa >> MEMORY_INCREMENT_SHIFT];
 
 #ifdef DEBUG_NUMA
diff --git a/include/asm-ppc64/page.h b/include/asm-ppc64/page.h
index 82ce187e5be8..e32f1187aa29 100644
--- a/include/asm-ppc64/page.h
+++ b/include/asm-ppc64/page.h
@@ -11,7 +11,7 @@
  */
 
 #include <linux/config.h>
-#include <asm/ppc_asm.h> /* for ASM_CONST */
+#include <asm/asm-compat.h>
 
 /*
  * We support either 4k or 64k software page size. When using 64k pages
diff --git a/include/asm-ppc64/pci-bridge.h b/include/asm-ppc64/pci-bridge.h
index 60cf8c838af0..efbdaece0cf0 100644
--- a/include/asm-ppc64/pci-bridge.h
+++ b/include/asm-ppc64/pci-bridge.h
@@ -63,7 +63,6 @@ struct pci_dn {
         int     devfn;                  /* for pci devices */
         int     eeh_mode;               /* See eeh.h for possible EEH_MODEs */
         int     eeh_config_addr;
-        int     eeh_capable;            /* from firmware */
         int     eeh_check_count;        /* # times driver ignored error */
         int     eeh_freeze_count;       /* # times this device froze up. */
         int     eeh_is_bridge;          /* device is pci-to-pci bridge */
diff --git a/include/asm-ppc64/pgalloc.h b/include/asm-ppc64/pgalloc.h
index 98da0e4262bd..dcf3622d1946 100644
--- a/include/asm-ppc64/pgalloc.h
+++ b/include/asm-ppc64/pgalloc.h
@@ -10,8 +10,8 @@ extern kmem_cache_t *pgtable_cache[];
 
 #ifdef CONFIG_PPC_64K_PAGES
 #define PTE_CACHE_NUM   0
-#define PMD_CACHE_NUM   0
-#define PGD_CACHE_NUM   1
+#define PMD_CACHE_NUM   1
+#define PGD_CACHE_NUM   2
 #else
 #define PTE_CACHE_NUM   0
 #define PMD_CACHE_NUM   1
diff --git a/include/asm-ppc64/prom.h b/include/asm-ppc64/prom.h
index 76bb0266d67c..ddfe186589fa 100644
--- a/include/asm-ppc64/prom.h
+++ b/include/asm-ppc64/prom.h
@@ -204,6 +204,8 @@ extern void of_detach_node(const struct device_node *);
 extern unsigned long prom_init(unsigned long, unsigned long, unsigned long,
         unsigned long, unsigned long);
 extern void finish_device_tree(void);
+extern void unflatten_device_tree(void);
+extern void early_init_devtree(void *);
 extern int device_is_compatible(struct device_node *device, const char *);
 extern int machine_is_compatible(const char *compat);
 extern unsigned char *get_property(struct device_node *node, const char *name,
diff --git a/include/asm-ppc64/signal.h b/include/asm-ppc64/signal.h
deleted file mode 100644
index 432df7dd355d..000000000000
--- a/include/asm-ppc64/signal.h
+++ /dev/null
@@ -1,132 +0,0 @@
-#ifndef _ASMPPC64_SIGNAL_H
-#define _ASMPPC64_SIGNAL_H
-
-#include <linux/types.h>
-#include <linux/compiler.h>
-#include <asm/siginfo.h>
-
-/* Avoid too many header ordering problems.  */
-struct siginfo;
-
-#define _NSIG           64
-#define _NSIG_BPW       64
-#define _NSIG_WORDS     (_NSIG / _NSIG_BPW)
-
-typedef unsigned long old_sigset_t;             /* at least 32 bits */
-
-typedef struct {
-        unsigned long sig[_NSIG_WORDS];
-} sigset_t;
-
-#define SIGHUP           1
-#define SIGINT           2
-#define SIGQUIT          3
-#define SIGILL           4
-#define SIGTRAP          5
-#define SIGABRT          6
-#define SIGIOT           6
-#define SIGBUS           7
-#define SIGFPE           8
-#define SIGKILL          9
-#define SIGUSR1         10
-#define SIGSEGV         11
-#define SIGUSR2         12
-#define SIGPIPE         13
-#define SIGALRM         14
-#define SIGTERM         15
-#define SIGSTKFLT       16
-#define SIGCHLD         17
-#define SIGCONT         18
-#define SIGSTOP         19
-#define SIGTSTP         20
-#define SIGTTIN         21
-#define SIGTTOU         22
-#define SIGURG          23
-#define SIGXCPU         24
-#define SIGXFSZ         25
-#define SIGVTALRM       26
-#define SIGPROF         27
-#define SIGWINCH        28
-#define SIGIO           29
-#define SIGPOLL         SIGIO
-/*
-#define SIGLOST         29
-*/
-#define SIGPWR          30
-#define SIGSYS          31
-#define SIGUNUSED       31
-
-/* These should not be considered constants from userland.  */
-#define SIGRTMIN        32
-#define SIGRTMAX        _NSIG
-
-/*
- * SA_FLAGS values:
- *
- * SA_ONSTACK is not currently supported, but will allow sigaltstack(2).
- * SA_INTERRUPT is a no-op, but left due to historical reasons. Use the
- * SA_RESTART flag to get restarting signals (which were the default long ago)
- * SA_NOCLDSTOP flag to turn off SIGCHLD when children stop.
- * SA_RESETHAND clears the handler when the signal is delivered.
- * SA_NOCLDWAIT flag on SIGCHLD to inhibit zombies.
- * SA_NODEFER prevents the current signal from being masked in the handler.
- *
- * SA_ONESHOT and SA_NOMASK are the historical Linux names for the Single
- * Unix names RESETHAND and NODEFER respectively.
- */
-#define SA_NOCLDSTOP    0x00000001u
-#define SA_NOCLDWAIT    0x00000002u
-#define SA_SIGINFO      0x00000004u
-#define SA_ONSTACK      0x08000000u
-#define SA_RESTART      0x10000000u
-#define SA_NODEFER      0x40000000u
-#define SA_RESETHAND    0x80000000u
-
-#define SA_NOMASK       SA_NODEFER
-#define SA_ONESHOT      SA_RESETHAND
-#define SA_INTERRUPT    0x20000000u /* dummy -- ignored */
-
-#define SA_RESTORER     0x04000000u
-
-/* 
- * sigaltstack controls
- */
-#define SS_ONSTACK      1
-#define SS_DISABLE      2
-
-#define MINSIGSTKSZ     2048
-#define SIGSTKSZ        8192
-
-#include <asm-generic/signal.h>
-
-struct old_sigaction {
-        __sighandler_t sa_handler;
-        old_sigset_t sa_mask;
-        unsigned long sa_flags;
-        __sigrestore_t sa_restorer;
-};
-
-struct sigaction {
-        __sighandler_t sa_handler;
-        unsigned long sa_flags;
-        __sigrestore_t sa_restorer;
-        sigset_t sa_mask;               /* mask last for extensibility */
-};
-
-struct k_sigaction {
-        struct sigaction sa;
-};
-
-typedef struct sigaltstack {
-        void __user *ss_sp;
-        int ss_flags;
-        size_t ss_size;
-} stack_t;
-
-struct pt_regs;
-struct timespec;
-extern int do_signal(sigset_t *oldset, struct pt_regs *regs);
-extern int do_signal32(sigset_t *oldset, struct pt_regs *regs);
-#define ptrace_signal_deliver(regs, cookie) do { } while (0)
-
-#endif /* _ASMPPC64_SIGNAL_H */
diff --git a/include/asm-ppc64/system.h b/include/asm-ppc64/system.h
index 0cdd66c9f4b7..bf9a6aba19c9 100644
--- a/include/asm-ppc64/system.h
+++ b/include/asm-ppc64/system.h
@@ -149,6 +149,8 @@ struct thread_struct;
 extern struct task_struct * _switch(struct thread_struct *prev,
                                     struct thread_struct *next);
 
+extern unsigned long klimit;
+
 extern int powersave_nap;       /* set if nap mode can be used in idle loop */
 
 /*