4 files changed, 24 insertions, 31 deletions

diff --git a/include/asm-ppc/mmu.h b/include/asm-ppc/mmu.h
index 0a70b05b3afb..14584e505ed5 100644
--- a/include/asm-ppc/mmu.h
+++ b/include/asm-ppc/mmu.h
@@ -23,25 +23,18 @@ extern phys_addr_t fixup_bigphys_addr(phys_addr_t, phys_addr_t);
 #define PHYS_FMT        "%16Lx"
 #endif
 
-/* Default "unsigned long" context */
-typedef unsigned long mm_context_t;
+typedef struct {
+        unsigned long id;
+        unsigned long vdso_base;
+} mm_context_t;
 
 /* Hardware Page Table Entry */
 typedef struct _PTE {
-#ifdef CONFIG_PPC64BRIDGE
-        unsigned long long vsid:52;
-        unsigned long api:5;
-        unsigned long :5;
-        unsigned long h:1;
-        unsigned long v:1;
-        unsigned long long rpn:52;
-#else /* CONFIG_PPC64BRIDGE */
         unsigned long v:1;      /* Entry is valid */
         unsigned long vsid:24;  /* Virtual segment identifier */
         unsigned long h:1;      /* Hash algorithm indicator */
         unsigned long api:6;    /* Abbreviated page index */
         unsigned long rpn:20;   /* Real (physical) page number */
-#endif /* CONFIG_PPC64BRIDGE */
         unsigned long    :3;    /* Unused */
         unsigned long r:1;      /* Referenced */
         unsigned long c:1;      /* Changed */
@@ -82,11 +75,7 @@ typedef struct _P601_BATU {	/* Upper part of BAT for 601 processor */
 } P601_BATU;
 
 typedef struct _BATU {          /* Upper part of BAT (all except 601) */
-#ifdef CONFIG_PPC64BRIDGE
-        unsigned long long bepi:47;
-#else /* CONFIG_PPC64BRIDGE */
         unsigned long bepi:15;  /* Effective page index (virtual address) */
-#endif /* CONFIG_PPC64BRIDGE */
         unsigned long :4;       /* Unused */
         unsigned long bl:11;    /* Block size mask */
         unsigned long vs:1;     /* Supervisor valid */
@@ -101,11 +90,7 @@ typedef struct _P601_BATL {	/* Lower part of BAT for 601 processor */
 } P601_BATL;
 
 typedef struct _BATL {          /* Lower part of BAT (all except 601) */
-#ifdef CONFIG_PPC64BRIDGE
-        unsigned long long brpn:47;
-#else /* CONFIG_PPC64BRIDGE */
         unsigned long brpn:15;  /* Real page index (physical address) */
-#endif /* CONFIG_PPC64BRIDGE */
         unsigned long :10;      /* Unused */
         unsigned long w:1;      /* Write-thru cache */
         unsigned long i:1;      /* Cache inhibit */
diff --git a/include/asm-ppc/mmu_context.h b/include/asm-ppc/mmu_context.h
index 94f2bf71310d..2bc8589cc451 100644
--- a/include/asm-ppc/mmu_context.h
+++ b/include/asm-ppc/mmu_context.h
@@ -70,7 +70,7 @@ static inline void enter_lazy_tlb(struct mm_struct *mm, struct task_struct *tsk)
 #else
 
 /* PPC 6xx, 7xx CPUs */
-#define NO_CONTEXT              ((mm_context_t) -1)
+#define NO_CONTEXT              ((unsigned long) -1)
 #define LAST_CONTEXT            32767
 #define FIRST_CONTEXT           1
 #endif
@@ -85,7 +85,7 @@ static inline void enter_lazy_tlb(struct mm_struct *mm, struct task_struct *tsk)
  * can be used for debugging on all processors (if you happen to have
  * an Abatron).
  */
-extern void set_context(mm_context_t context, pgd_t *pgd);
+extern void set_context(unsigned long contextid, pgd_t *pgd);
 
 /*
  * Bitmap of contexts in use.
@@ -98,7 +98,7 @@ extern unsigned long context_map[];
  * Its use is an optimization only, we can't rely on this context
  * number to be free, but it usually will be.
  */
-extern mm_context_t next_mmu_context;
+extern unsigned long next_mmu_context;
 
 /*
  * If we don't have sufficient contexts to give one to every task
@@ -117,9 +117,9 @@ extern void steal_context(void);
  */
 static inline void get_mmu_context(struct mm_struct *mm)
 {
-        mm_context_t ctx;
+        unsigned long ctx;
 
-        if (mm->context != NO_CONTEXT)
+        if (mm->context.id != NO_CONTEXT)
                 return;
 #ifdef FEW_CONTEXTS
         while (atomic_dec_if_positive(&nr_free_contexts) < 0)
@@ -132,7 +132,7 @@ static inline void get_mmu_context(struct mm_struct *mm)
                         ctx = 0;
         }
         next_mmu_context = (ctx + 1) & LAST_CONTEXT;
-        mm->context = ctx;
+        mm->context.id = ctx;
 #ifdef FEW_CONTEXTS
         context_mm[ctx] = mm;
 #endif
@@ -141,7 +141,12 @@ static inline void get_mmu_context(struct mm_struct *mm)
 /*
  * Set up the context for a new address space.
  */
-#define init_new_context(tsk,mm)        (((mm)->context = NO_CONTEXT), 0)
+static inline int init_new_context(struct task_struct *t, struct mm_struct *mm)
+{
+        mm->context.id = NO_CONTEXT;
+        mm->context.vdso_base = 0;
+        return 0;
+}
 
 /*
  * We're finished using the context for an address space.
@@ -149,9 +154,9 @@ static inline void get_mmu_context(struct mm_struct *mm)
 static inline void destroy_context(struct mm_struct *mm)
 {
         preempt_disable();
-        if (mm->context != NO_CONTEXT) {
-                clear_bit(mm->context, context_map);
-                mm->context = NO_CONTEXT;
+        if (mm->context.id != NO_CONTEXT) {
+                clear_bit(mm->context.id, context_map);
+                mm->context.id = NO_CONTEXT;
 #ifdef FEW_CONTEXTS
                 atomic_inc(&nr_free_contexts);
 #endif
@@ -179,7 +184,7 @@ static inline void switch_mm(struct mm_struct *prev, struct mm_struct *next,
 
         /* Setup new userspace context */
         get_mmu_context(next);
-        set_context(next->context, next->pgd);
+        set_context(next->context.id, next->pgd);
 }
 
 #define deactivate_mm(tsk,mm)   do { } while (0)
diff --git a/include/asm-ppc/mpc85xx.h b/include/asm-ppc/mpc85xx.h
index c25bdd9debf8..9b4851199c76 100644
--- a/include/asm-ppc/mpc85xx.h
+++ b/include/asm-ppc/mpc85xx.h
@@ -27,6 +27,9 @@
 #if defined(CONFIG_MPC8555_CDS) || defined(CONFIG_MPC8548_CDS)
 #include <platforms/85xx/mpc8555_cds.h>
 #endif
+#ifdef CONFIG_MPC85xx_CDS
+#include <platforms/85xx/mpc85xx_cds.h>
+#endif
 #ifdef CONFIG_MPC8560_ADS
 #include <platforms/85xx/mpc8560_ads.h>
 #endif
diff --git a/include/asm-ppc/pgtable.h b/include/asm-ppc/pgtable.h
index 9cb83679836c..51fa7c662917 100644
--- a/include/asm-ppc/pgtable.h
+++ b/include/asm-ppc/pgtable.h
@@ -662,7 +662,7 @@ static inline int __ptep_test_and_clear_young(unsigned int context, unsigned lon
         return (old & _PAGE_ACCESSED) != 0;
 }
 #define ptep_test_and_clear_young(__vma, __addr, __ptep) \
-        __ptep_test_and_clear_young((__vma)->vm_mm->context, __addr, __ptep)
+        __ptep_test_and_clear_young((__vma)->vm_mm->context.id, __addr, __ptep)
 
 #define __HAVE_ARCH_PTEP_TEST_AND_CLEAR_DIRTY
 static inline int ptep_test_and_clear_dirty(struct vm_area_struct *vma,