powerpc/mm: Introduce MMU features

We're soon running out of CPU features and I need to add some new ones for various MMU related bits, so this patch separates the MMU features from the CPU features. I moved over the 32-bit MMU related ones, added base features for MMU type families, but didn't move over any 64-bit only feature yet. Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org> Acked-by: Kumar Gala <galak@kernel.crashing.org> Signed-off-by: Paul Mackerras <paulus@samba.org>
author: Benjamin Herrenschmidt <benh@kernel.crashing.org> 2008-12-18 14:13:32 -0500
committer: Paul Mackerras <paulus@samba.org> 2008-12-20 22:21:16 -0500
commit: 7c03d653cd257793dc40520c94e229b5fd0578e7 (patch)
tree: c2beffddec486c47f8ec6df5c3b592c143380559
parent: 2ca8cf738907180e7fbda90f25f32b86feda609f (diff)
16 files changed, 268 insertions, 60 deletions
diff --git a/arch/powerpc/include/asm/cputable.h b/arch/powerpc/include/asm/cputable.h
index 31888322d76a..4911104791c3 100644
--- a/arch/powerpc/include/asm/cputable.h
+++ b/arch/powerpc/include/asm/cputable.h
@@ -82,6 +82,7 @@ struct cpu_spec {
        char            *cpu_name;
        unsigned long   cpu_features;           /* Kernel features */
        unsigned int    cpu_user_features;      /* Userland features */
+        unsigned int    mmu_features;           /* MMU features */
        /* cache line sizes */
        unsigned int    icache_bsize;
@@ -144,17 +145,14 @@ extern const char *powerpc_base_platform;
 #define CPU_FTR_USE_TB                  ASM_CONST(0x0000000000000040)
 #define CPU_FTR_L2CSR                   ASM_CONST(0x0000000000000080)
 #define CPU_FTR_601                     ASM_CONST(0x0000000000000100)
-#define CPU_FTR_HPTE_TABLE              ASM_CONST(0x0000000000000200)
 #define CPU_FTR_CAN_NAP                 ASM_CONST(0x0000000000000400)
 #define CPU_FTR_L3CR                    ASM_CONST(0x0000000000000800)
 #define CPU_FTR_L3_DISABLE_NAP          ASM_CONST(0x0000000000001000)
 #define CPU_FTR_NAP_DISABLE_L2_PR       ASM_CONST(0x0000000000002000)
 #define CPU_FTR_DUAL_PLL_750FX          ASM_CONST(0x0000000000004000)
 #define CPU_FTR_NO_DPM                  ASM_CONST(0x0000000000008000)
-#define CPU_FTR_HAS_HIGH_BATS           ASM_CONST(0x0000000000010000)
 #define CPU_FTR_NEED_COHERENT           ASM_CONST(0x0000000000020000)
 #define CPU_FTR_NO_BTIC                 ASM_CONST(0x0000000000040000)
-#define CPU_FTR_BIG_PHYS                ASM_CONST(0x0000000000080000)
 #define CPU_FTR_NODSISRALIGN            ASM_CONST(0x0000000000100000)
 #define CPU_FTR_PPC_LE                  ASM_CONST(0x0000000000200000)
 #define CPU_FTR_REAL_LE                 ASM_CONST(0x0000000000400000)
@@ -266,107 +264,99 @@ extern const char *powerpc_base_platform;
                     !defined(CONFIG_POWER3) && !defined(CONFIG_POWER4) && \
                     !defined(CONFIG_BOOKE))
-#define CPU_FTRS_PPC601 (CPU_FTR_COMMON | CPU_FTR_601 | CPU_FTR_HPTE_TABLE | \
+#define CPU_FTRS_PPC601 (CPU_FTR_COMMON | CPU_FTR_601 | \
        CPU_FTR_COHERENT_ICACHE | CPU_FTR_UNIFIED_ID_CACHE)
 #define CPU_FTRS_603    (CPU_FTR_COMMON | \
            CPU_FTR_MAYBE_CAN_DOZE | CPU_FTR_USE_TB | \
            CPU_FTR_MAYBE_CAN_NAP | CPU_FTR_PPC_LE)
 #define CPU_FTRS_604    (CPU_FTR_COMMON | \
-            CPU_FTR_USE_TB | CPU_FTR_HPTE_TABLE | CPU_FTR_PPC_LE)
+            CPU_FTR_USE_TB | CPU_FTR_PPC_LE)
 #define CPU_FTRS_740_NOTAU      (CPU_FTR_COMMON | \
            CPU_FTR_MAYBE_CAN_DOZE | CPU_FTR_USE_TB | CPU_FTR_L2CR | \
-            CPU_FTR_HPTE_TABLE | CPU_FTR_MAYBE_CAN_NAP | CPU_FTR_PPC_LE)
+            CPU_FTR_MAYBE_CAN_NAP | CPU_FTR_PPC_LE)
 #define CPU_FTRS_740    (CPU_FTR_COMMON | \
            CPU_FTR_MAYBE_CAN_DOZE | CPU_FTR_USE_TB | CPU_FTR_L2CR | \
-            CPU_FTR_TAU | CPU_FTR_HPTE_TABLE | CPU_FTR_MAYBE_CAN_NAP | \
+            CPU_FTR_TAU | CPU_FTR_MAYBE_CAN_NAP | \
            CPU_FTR_PPC_LE)
 #define CPU_FTRS_750    (CPU_FTR_COMMON | \
            CPU_FTR_MAYBE_CAN_DOZE | CPU_FTR_USE_TB | CPU_FTR_L2CR | \
-            CPU_FTR_TAU | CPU_FTR_HPTE_TABLE | CPU_FTR_MAYBE_CAN_NAP | \
+            CPU_FTR_TAU | CPU_FTR_MAYBE_CAN_NAP | \
            CPU_FTR_PPC_LE)
-#define CPU_FTRS_750CL  (CPU_FTRS_750 | CPU_FTR_HAS_HIGH_BATS)
+#define CPU_FTRS_750CL  (CPU_FTRS_750)
 #define CPU_FTRS_750FX1 (CPU_FTRS_750 | CPU_FTR_DUAL_PLL_750FX | CPU_FTR_NO_DPM)
 #define CPU_FTRS_750FX2 (CPU_FTRS_750 | CPU_FTR_NO_DPM)
-#define CPU_FTRS_750FX  (CPU_FTRS_750 | CPU_FTR_DUAL_PLL_750FX | \
+#define CPU_FTRS_750FX  (CPU_FTRS_750 | CPU_FTR_DUAL_PLL_750FX)
-                CPU_FTR_HAS_HIGH_BATS)
 #define CPU_FTRS_750GX  (CPU_FTRS_750FX)
 #define CPU_FTRS_7400_NOTAU     (CPU_FTR_COMMON | \
            CPU_FTR_MAYBE_CAN_DOZE | CPU_FTR_USE_TB | CPU_FTR_L2CR | \
-            CPU_FTR_ALTIVEC_COMP | CPU_FTR_HPTE_TABLE | \
+            CPU_FTR_ALTIVEC_COMP | \
            CPU_FTR_MAYBE_CAN_NAP | CPU_FTR_PPC_LE)
 #define CPU_FTRS_7400   (CPU_FTR_COMMON | \
            CPU_FTR_MAYBE_CAN_DOZE | CPU_FTR_USE_TB | CPU_FTR_L2CR | \
-            CPU_FTR_TAU | CPU_FTR_ALTIVEC_COMP | CPU_FTR_HPTE_TABLE | \
+            CPU_FTR_TAU | CPU_FTR_ALTIVEC_COMP | \
            CPU_FTR_MAYBE_CAN_NAP | CPU_FTR_PPC_LE)
 #define CPU_FTRS_7450_20        (CPU_FTR_COMMON | \
            CPU_FTR_USE_TB | CPU_FTR_L2CR | CPU_FTR_ALTIVEC_COMP | \
-            CPU_FTR_L3CR | CPU_FTR_HPTE_TABLE | CPU_FTR_SPEC7450 | \
+            CPU_FTR_L3CR | CPU_FTR_SPEC7450 | \
            CPU_FTR_NEED_COHERENT | CPU_FTR_PPC_LE | CPU_FTR_NEED_PAIRED_STWCX)
 #define CPU_FTRS_7450_21        (CPU_FTR_COMMON | \
            CPU_FTR_USE_TB | \
            CPU_FTR_MAYBE_CAN_NAP | CPU_FTR_L2CR | CPU_FTR_ALTIVEC_COMP | \
-            CPU_FTR_L3CR | CPU_FTR_HPTE_TABLE | CPU_FTR_SPEC7450 | \
+            CPU_FTR_L3CR | CPU_FTR_SPEC7450 | \
            CPU_FTR_NAP_DISABLE_L2_PR | CPU_FTR_L3_DISABLE_NAP | \
            CPU_FTR_NEED_COHERENT | CPU_FTR_PPC_LE | CPU_FTR_NEED_PAIRED_STWCX)
 #define CPU_FTRS_7450_23        (CPU_FTR_COMMON | \
            CPU_FTR_USE_TB | CPU_FTR_NEED_PAIRED_STWCX | \
            CPU_FTR_MAYBE_CAN_NAP | CPU_FTR_L2CR | CPU_FTR_ALTIVEC_COMP | \
-            CPU_FTR_L3CR | CPU_FTR_HPTE_TABLE | CPU_FTR_SPEC7450 | \
+            CPU_FTR_L3CR | CPU_FTR_SPEC7450 | \
            CPU_FTR_NAP_DISABLE_L2_PR | CPU_FTR_NEED_COHERENT | CPU_FTR_PPC_LE)
 #define CPU_FTRS_7455_1 (CPU_FTR_COMMON | \
            CPU_FTR_USE_TB | CPU_FTR_NEED_PAIRED_STWCX | \
            CPU_FTR_L2CR | CPU_FTR_ALTIVEC_COMP | CPU_FTR_L3CR | \
-            CPU_FTR_HPTE_TABLE | CPU_FTR_SPEC7450 | CPU_FTR_HAS_HIGH_BATS | \
+            CPU_FTR_SPEC7450 | CPU_FTR_NEED_COHERENT | CPU_FTR_PPC_LE)
-            CPU_FTR_NEED_COHERENT | CPU_FTR_PPC_LE)
 #define CPU_FTRS_7455_20        (CPU_FTR_COMMON | \
            CPU_FTR_USE_TB | CPU_FTR_NEED_PAIRED_STWCX | \
            CPU_FTR_MAYBE_CAN_NAP | CPU_FTR_L2CR | CPU_FTR_ALTIVEC_COMP | \
-            CPU_FTR_L3CR | CPU_FTR_HPTE_TABLE | CPU_FTR_SPEC7450 | \
+            CPU_FTR_L3CR | CPU_FTR_SPEC7450 | \
            CPU_FTR_NAP_DISABLE_L2_PR | CPU_FTR_L3_DISABLE_NAP | \
-            CPU_FTR_NEED_COHERENT | CPU_FTR_HAS_HIGH_BATS | CPU_FTR_PPC_LE)
+            CPU_FTR_NEED_COHERENT | CPU_FTR_PPC_LE)
 #define CPU_FTRS_7455   (CPU_FTR_COMMON | \
            CPU_FTR_USE_TB | \
            CPU_FTR_MAYBE_CAN_NAP | CPU_FTR_L2CR | CPU_FTR_ALTIVEC_COMP | \
-            CPU_FTR_L3CR | CPU_FTR_HPTE_TABLE | CPU_FTR_SPEC7450 | \
+            CPU_FTR_L3CR | CPU_FTR_SPEC7450 | CPU_FTR_NAP_DISABLE_L2_PR | \
-            CPU_FTR_NAP_DISABLE_L2_PR | CPU_FTR_HAS_HIGH_BATS | \
            CPU_FTR_NEED_COHERENT | CPU_FTR_PPC_LE | CPU_FTR_NEED_PAIRED_STWCX)
 #define CPU_FTRS_7447_10        (CPU_FTR_COMMON | \
            CPU_FTR_USE_TB | \
            CPU_FTR_MAYBE_CAN_NAP | CPU_FTR_L2CR | CPU_FTR_ALTIVEC_COMP | \
-            CPU_FTR_L3CR | CPU_FTR_HPTE_TABLE | CPU_FTR_SPEC7450 | \
+            CPU_FTR_L3CR | CPU_FTR_SPEC7450 | CPU_FTR_NAP_DISABLE_L2_PR | \
-            CPU_FTR_NAP_DISABLE_L2_PR | CPU_FTR_HAS_HIGH_BATS | \
            CPU_FTR_NEED_COHERENT | CPU_FTR_NO_BTIC | CPU_FTR_PPC_LE | \
            CPU_FTR_NEED_PAIRED_STWCX)
 #define CPU_FTRS_7447   (CPU_FTR_COMMON | \
            CPU_FTR_USE_TB | \
            CPU_FTR_MAYBE_CAN_NAP | CPU_FTR_L2CR | CPU_FTR_ALTIVEC_COMP | \
-            CPU_FTR_L3CR | CPU_FTR_HPTE_TABLE | CPU_FTR_SPEC7450 | \
+            CPU_FTR_L3CR | CPU_FTR_SPEC7450 | CPU_FTR_NAP_DISABLE_L2_PR | \
-            CPU_FTR_NAP_DISABLE_L2_PR | CPU_FTR_HAS_HIGH_BATS | \
            CPU_FTR_NEED_COHERENT | CPU_FTR_PPC_LE | CPU_FTR_NEED_PAIRED_STWCX)
 #define CPU_FTRS_7447A  (CPU_FTR_COMMON | \
            CPU_FTR_USE_TB | \
            CPU_FTR_MAYBE_CAN_NAP | CPU_FTR_L2CR | CPU_FTR_ALTIVEC_COMP | \
-            CPU_FTR_HPTE_TABLE | CPU_FTR_SPEC7450 | \
+            CPU_FTR_SPEC7450 | CPU_FTR_NAP_DISABLE_L2_PR | \
-            CPU_FTR_NAP_DISABLE_L2_PR | CPU_FTR_HAS_HIGH_BATS | \
            CPU_FTR_NEED_COHERENT | CPU_FTR_PPC_LE | CPU_FTR_NEED_PAIRED_STWCX)
 #define CPU_FTRS_7448   (CPU_FTR_COMMON | \
            CPU_FTR_USE_TB | \
            CPU_FTR_MAYBE_CAN_NAP | CPU_FTR_L2CR | CPU_FTR_ALTIVEC_COMP | \
-            CPU_FTR_HPTE_TABLE | CPU_FTR_SPEC7450 | \
+            CPU_FTR_SPEC7450 | CPU_FTR_NAP_DISABLE_L2_PR | \
-            CPU_FTR_NAP_DISABLE_L2_PR | CPU_FTR_HAS_HIGH_BATS | \
            CPU_FTR_PPC_LE | CPU_FTR_NEED_PAIRED_STWCX)
 #define CPU_FTRS_82XX   (CPU_FTR_COMMON | \
            CPU_FTR_MAYBE_CAN_DOZE | CPU_FTR_USE_TB)
 #define CPU_FTRS_G2_LE  (CPU_FTR_COMMON | CPU_FTR_MAYBE_CAN_DOZE | \
-            CPU_FTR_USE_TB | CPU_FTR_MAYBE_CAN_NAP | CPU_FTR_HAS_HIGH_BATS)
+            CPU_FTR_USE_TB | CPU_FTR_MAYBE_CAN_NAP)
 #define CPU_FTRS_E300   (CPU_FTR_MAYBE_CAN_DOZE | \
-            CPU_FTR_USE_TB | CPU_FTR_MAYBE_CAN_NAP | CPU_FTR_HAS_HIGH_BATS | \
+            CPU_FTR_USE_TB | CPU_FTR_MAYBE_CAN_NAP | \
            CPU_FTR_COMMON)
 #define CPU_FTRS_E300C2 (CPU_FTR_MAYBE_CAN_DOZE | \
-            CPU_FTR_USE_TB | CPU_FTR_MAYBE_CAN_NAP | CPU_FTR_HAS_HIGH_BATS | \
+            CPU_FTR_USE_TB | CPU_FTR_MAYBE_CAN_NAP | \
            CPU_FTR_COMMON | CPU_FTR_FPU_UNAVAILABLE)
-#define CPU_FTRS_CLASSIC32      (CPU_FTR_COMMON | \
+#define CPU_FTRS_CLASSIC32      (CPU_FTR_COMMON | CPU_FTR_USE_TB)
-            CPU_FTR_USE_TB | CPU_FTR_HPTE_TABLE)
 #define CPU_FTRS_8XX    (CPU_FTR_USE_TB)
 #define CPU_FTRS_40X    (CPU_FTR_USE_TB | CPU_FTR_NODSISRALIGN | CPU_FTR_NOEXECUTE)
 #define CPU_FTRS_44X    (CPU_FTR_USE_TB | CPU_FTR_NODSISRALIGN | CPU_FTR_NOEXECUTE)
@@ -379,55 +369,54 @@ extern const char *powerpc_base_platform;
            CPU_FTR_SPE_COMP | CPU_FTR_MAYBE_CAN_NAP | CPU_FTR_NODSISRALIGN | \
            CPU_FTR_NOEXECUTE)
 #define CPU_FTRS_E500_2 (CPU_FTR_MAYBE_CAN_DOZE | CPU_FTR_USE_TB | \
-            CPU_FTR_SPE_COMP | CPU_FTR_MAYBE_CAN_NAP | CPU_FTR_BIG_PHYS | \
+            CPU_FTR_SPE_COMP | CPU_FTR_MAYBE_CAN_NAP | \
            CPU_FTR_NODSISRALIGN | CPU_FTR_NOEXECUTE)
 #define CPU_FTRS_E500MC (CPU_FTR_MAYBE_CAN_DOZE | CPU_FTR_USE_TB | \
-            CPU_FTR_MAYBE_CAN_NAP | CPU_FTR_BIG_PHYS | CPU_FTR_NODSISRALIGN | \
+            CPU_FTR_MAYBE_CAN_NAP | CPU_FTR_NODSISRALIGN | \
            CPU_FTR_L2CSR | CPU_FTR_LWSYNC | CPU_FTR_NOEXECUTE)
 #define CPU_FTRS_GENERIC_32     (CPU_FTR_COMMON | CPU_FTR_NODSISRALIGN)
 /* 64-bit CPUs */
 #define CPU_FTRS_POWER3 (CPU_FTR_USE_TB | CPU_FTR_LWSYNC | \
-            CPU_FTR_HPTE_TABLE | CPU_FTR_IABR | CPU_FTR_PPC_LE)
+            CPU_FTR_IABR | CPU_FTR_PPC_LE)
 #define CPU_FTRS_RS64   (CPU_FTR_USE_TB | CPU_FTR_LWSYNC | \
-            CPU_FTR_HPTE_TABLE | CPU_FTR_IABR | \
+            CPU_FTR_IABR | \
            CPU_FTR_MMCRA | CPU_FTR_CTRL)
 #define CPU_FTRS_POWER4 (CPU_FTR_USE_TB | CPU_FTR_LWSYNC | \
-            CPU_FTR_HPTE_TABLE | CPU_FTR_PPCAS_ARCH_V2 | CPU_FTR_CTRL | \
+            CPU_FTR_PPCAS_ARCH_V2 | CPU_FTR_CTRL | \
            CPU_FTR_MMCRA | CPU_FTR_CP_USE_DCBTZ)
 #define CPU_FTRS_PPC970 (CPU_FTR_USE_TB | CPU_FTR_LWSYNC | \
-            CPU_FTR_HPTE_TABLE | CPU_FTR_PPCAS_ARCH_V2 | CPU_FTR_CTRL | \
+            CPU_FTR_PPCAS_ARCH_V2 | CPU_FTR_CTRL | \
            CPU_FTR_ALTIVEC_COMP | CPU_FTR_CAN_NAP | CPU_FTR_MMCRA | \
            CPU_FTR_CP_USE_DCBTZ)
 #define CPU_FTRS_POWER5 (CPU_FTR_USE_TB | CPU_FTR_LWSYNC | \
-            CPU_FTR_HPTE_TABLE | CPU_FTR_PPCAS_ARCH_V2 | CPU_FTR_CTRL | \
+            CPU_FTR_PPCAS_ARCH_V2 | CPU_FTR_CTRL | \
            CPU_FTR_MMCRA | CPU_FTR_SMT | \
            CPU_FTR_COHERENT_ICACHE | CPU_FTR_LOCKLESS_TLBIE | \
            CPU_FTR_PURR)
 #define CPU_FTRS_POWER6 (CPU_FTR_USE_TB | CPU_FTR_LWSYNC | \
-            CPU_FTR_HPTE_TABLE | CPU_FTR_PPCAS_ARCH_V2 | CPU_FTR_CTRL | \
+            CPU_FTR_PPCAS_ARCH_V2 | CPU_FTR_CTRL | \
            CPU_FTR_MMCRA | CPU_FTR_SMT | \
            CPU_FTR_COHERENT_ICACHE | CPU_FTR_LOCKLESS_TLBIE | \
            CPU_FTR_PURR | CPU_FTR_SPURR | CPU_FTR_REAL_LE | \
            CPU_FTR_DSCR | CPU_FTR_UNALIGNED_LD_STD)
 #define CPU_FTRS_POWER7 (CPU_FTR_USE_TB | CPU_FTR_LWSYNC | \
-            CPU_FTR_HPTE_TABLE | CPU_FTR_PPCAS_ARCH_V2 | CPU_FTR_CTRL | \
+            CPU_FTR_PPCAS_ARCH_V2 | CPU_FTR_CTRL | \
            CPU_FTR_MMCRA | CPU_FTR_SMT | \
            CPU_FTR_COHERENT_ICACHE | CPU_FTR_LOCKLESS_TLBIE | \
            CPU_FTR_PURR | CPU_FTR_SPURR | CPU_FTR_REAL_LE | \
            CPU_FTR_DSCR | CPU_FTR_SAO)
 #define CPU_FTRS_CELL   (CPU_FTR_USE_TB | CPU_FTR_LWSYNC | \
-            CPU_FTR_HPTE_TABLE | CPU_FTR_PPCAS_ARCH_V2 | CPU_FTR_CTRL | \
+            CPU_FTR_PPCAS_ARCH_V2 | CPU_FTR_CTRL | \
            CPU_FTR_ALTIVEC_COMP | CPU_FTR_MMCRA | CPU_FTR_SMT | \
            CPU_FTR_PAUSE_ZERO | CPU_FTR_CI_LARGE_PAGE | \
            CPU_FTR_CELL_TB_BUG | CPU_FTR_CP_USE_DCBTZ | \
            CPU_FTR_UNALIGNED_LD_STD)
 #define CPU_FTRS_PA6T (CPU_FTR_USE_TB | CPU_FTR_LWSYNC | \
-            CPU_FTR_HPTE_TABLE | CPU_FTR_PPCAS_ARCH_V2 | \
+            CPU_FTR_PPCAS_ARCH_V2 | \
            CPU_FTR_ALTIVEC_COMP | CPU_FTR_CI_LARGE_PAGE | \
            CPU_FTR_PURR | CPU_FTR_REAL_LE | CPU_FTR_NO_SLBIE_B)
-#define CPU_FTRS_COMPATIBLE     (CPU_FTR_USE_TB | \
+#define CPU_FTRS_COMPATIBLE     (CPU_FTR_USE_TB | CPU_FTR_PPCAS_ARCH_V2)
-            CPU_FTR_HPTE_TABLE | CPU_FTR_PPCAS_ARCH_V2)
 #ifdef __powerpc64__
 #define CPU_FTRS_POSSIBLE       \
diff --git a/arch/powerpc/include/asm/feature-fixups.h b/arch/powerpc/include/asm/feature-fixups.h
index a1029967620b..e4094a5cb05b 100644
--- a/arch/powerpc/include/asm/feature-fixups.h
+++ b/arch/powerpc/include/asm/feature-fixups.h
@@ -81,6 +81,36 @@ label##5:					       	\
 #define ALT_FTR_SECTION_END_IFCLR(msk)  \
        ALT_FTR_SECTION_END_NESTED_IFCLR(msk, 97)
+/* MMU feature dependent sections */
+#define BEGIN_MMU_FTR_SECTION_NESTED(label)     START_FTR_SECTION(label)
+#define BEGIN_MMU_FTR_SECTION                   START_FTR_SECTION(97)
+#define END_MMU_FTR_SECTION_NESTED(msk, val, label)             \
+        FTR_SECTION_ELSE_NESTED(label)                          \
+        MAKE_FTR_SECTION_ENTRY(msk, val, label, __mmu_ftr_fixup)
+#define END_MMU_FTR_SECTION(msk, val)           \
+        END_MMU_FTR_SECTION_NESTED(msk, val, 97)
+#define END_MMU_FTR_SECTION_IFSET(msk)  END_MMU_FTR_SECTION((msk), (msk))
+#define END_MMU_FTR_SECTION_IFCLR(msk)  END_MMU_FTR_SECTION((msk), 0)
+/* MMU feature sections with alternatives, use BEGIN_FTR_SECTION to start */
+#define MMU_FTR_SECTION_ELSE_NESTED(label)      FTR_SECTION_ELSE_NESTED(label)
+#define MMU_FTR_SECTION_ELSE    MMU_FTR_SECTION_ELSE_NESTED(97)
+#define ALT_MMU_FTR_SECTION_END_NESTED(msk, val, label) \
+        MAKE_FTR_SECTION_ENTRY(msk, val, label, __mmu_ftr_fixup)
+#define ALT_MMU_FTR_SECTION_END_NESTED_IFSET(msk, label)        \
+        ALT_MMU_FTR_SECTION_END_NESTED(msk, msk, label)
+#define ALT_MMU_FTR_SECTION_END_NESTED_IFCLR(msk, label)        \
+        ALT_MMU_FTR_SECTION_END_NESTED(msk, 0, label)
+#define ALT_MMU_FTR_SECTION_END(msk, val)       \
+        ALT_MMU_FTR_SECTION_END_NESTED(msk, val, 97)
+#define ALT_MMU_FTR_SECTION_END_IFSET(msk)      \
+        ALT_MMU_FTR_SECTION_END_NESTED_IFSET(msk, 97)
+#define ALT_MMU_FTR_SECTION_END_IFCLR(msk)      \
+        ALT_MMU_FTR_SECTION_END_NESTED_IFCLR(msk, 97)
 /* Firmware feature dependent sections */
 #define BEGIN_FW_FTR_SECTION_NESTED(label)      START_FTR_SECTION(label)
 #define BEGIN_FW_FTR_SECTION                    START_FTR_SECTION(97)
diff --git a/arch/powerpc/include/asm/mmu.h b/arch/powerpc/include/asm/mmu.h
index 4c0e1b4f975c..dc8c0aef5e6c 100644
--- a/arch/powerpc/include/asm/mmu.h
+++ b/arch/powerpc/include/asm/mmu.h
@@ -2,6 +2,47 @@
 #define _ASM_POWERPC_MMU_H_
 #ifdef __KERNEL__
+#include <asm/asm-compat.h>
+#include <asm/feature-fixups.h>
+/*
+ * MMU features bit definitions
+ */
+/*
+ * First half is MMU families
+ */
+#define MMU_FTR_HPTE_TABLE              ASM_CONST(0x00000001)
+#define MMU_FTR_TYPE_8xx                ASM_CONST(0x00000002)
+#define MMU_FTR_TYPE_40x                ASM_CONST(0x00000004)
+#define MMU_FTR_TYPE_44x                ASM_CONST(0x00000008)
+#define MMU_FTR_TYPE_FSL_E              ASM_CONST(0x00000010)
+/*
+ * This is individual features
+ */
+/* Enable use of high BAT registers */
+#define MMU_FTR_USE_HIGH_BATS           ASM_CONST(0x00010000)
+/* Enable >32-bit physical addresses on 32-bit processor, only used
+ * by CONFIG_6xx currently as BookE supports that from day 1
+ */
+#define MMU_FTR_BIG_PHYS                ASM_CONST(0x00020000)
+#ifndef __ASSEMBLY__
+#include <asm/cputable.h>
+static inline int mmu_has_feature(unsigned long feature)
+{
+        return (cur_cpu_spec->mmu_features & feature);
+}
+extern unsigned int __start___mmu_ftr_fixup, __stop___mmu_ftr_fixup;
+#endif /* !__ASSEMBLY__ */
 #ifdef CONFIG_PPC64
 /* 64-bit classic hash table MMU */
 #  include <asm/mmu-hash64.h>
diff --git a/arch/powerpc/kernel/cputable.c b/arch/powerpc/kernel/cputable.c
index 921a2298d8e3..923f87aff20a 100644
--- a/arch/powerpc/kernel/cputable.c
+++ b/arch/powerpc/kernel/cputable.c
@@ -19,6 +19,7 @@
 #include <asm/oprofile_impl.h>
 #include <asm/cputable.h>
 #include <asm/prom.h>           /* for PTRRELOC on ARCH=ppc */
+#include <asm/mmu.h>
 struct cpu_spec* cur_cpu_spec = NULL;
 EXPORT_SYMBOL(cur_cpu_spec);
@@ -94,6 +95,7 @@ static struct cpu_spec __initdata cpu_specs[] = {
                .cpu_name               = "POWER3 (630)",
                .cpu_features           = CPU_FTRS_POWER3,
                .cpu_user_features      = COMMON_USER_PPC64|PPC_FEATURE_PPC_LE,
+                .mmu_features           = MMU_FTR_HPTE_TABLE,
                .icache_bsize           = 128,
                .dcache_bsize           = 128,
                .num_pmcs               = 8,
@@ -109,6 +111,7 @@ static struct cpu_spec __initdata cpu_specs[] = {
                .cpu_name               = "POWER3 (630+)",
                .cpu_features           = CPU_FTRS_POWER3,
                .cpu_user_features      = COMMON_USER_PPC64|PPC_FEATURE_PPC_LE,
+                .mmu_features           = MMU_FTR_HPTE_TABLE,
                .icache_bsize           = 128,
                .dcache_bsize           = 128,
                .num_pmcs               = 8,
@@ -124,6 +127,7 @@ static struct cpu_spec __initdata cpu_specs[] = {
                .cpu_name               = "RS64-II (northstar)",
                .cpu_features           = CPU_FTRS_RS64,
                .cpu_user_features      = COMMON_USER_PPC64,
+                .mmu_features           = MMU_FTR_HPTE_TABLE,
                .icache_bsize           = 128,
                .dcache_bsize           = 128,
                .num_pmcs               = 8,
@@ -139,6 +143,7 @@ static struct cpu_spec __initdata cpu_specs[] = {
                .cpu_name               = "RS64-III (pulsar)",
                .cpu_features           = CPU_FTRS_RS64,
                .cpu_user_features      = COMMON_USER_PPC64,
+                .mmu_features           = MMU_FTR_HPTE_TABLE,
                .icache_bsize           = 128,
                .dcache_bsize           = 128,
                .num_pmcs               = 8,
@@ -154,6 +159,7 @@ static struct cpu_spec __initdata cpu_specs[] = {
                .cpu_name               = "RS64-III (icestar)",
                .cpu_features           = CPU_FTRS_RS64,
                .cpu_user_features      = COMMON_USER_PPC64,
+                .mmu_features           = MMU_FTR_HPTE_TABLE,
                .icache_bsize           = 128,
                .dcache_bsize           = 128,
                .num_pmcs               = 8,
@@ -169,6 +175,7 @@ static struct cpu_spec __initdata cpu_specs[] = {
                .cpu_name               = "RS64-IV (sstar)",
                .cpu_features           = CPU_FTRS_RS64,
                .cpu_user_features      = COMMON_USER_PPC64,
+                .mmu_features           = MMU_FTR_HPTE_TABLE,
                .icache_bsize           = 128,
                .dcache_bsize           = 128,
                .num_pmcs               = 8,
@@ -184,6 +191,7 @@ static struct cpu_spec __initdata cpu_specs[] = {
                .cpu_name               = "POWER4 (gp)",
                .cpu_features           = CPU_FTRS_POWER4,
                .cpu_user_features      = COMMON_USER_POWER4,
+                .mmu_features           = MMU_FTR_HPTE_TABLE,
                .icache_bsize           = 128,
                .dcache_bsize           = 128,
                .num_pmcs               = 8,
@@ -199,6 +207,7 @@ static struct cpu_spec __initdata cpu_specs[] = {
                .cpu_name               = "POWER4+ (gq)",
                .cpu_features           = CPU_FTRS_POWER4,
                .cpu_user_features      = COMMON_USER_POWER4,
+                .mmu_features           = MMU_FTR_HPTE_TABLE,
                .icache_bsize           = 128,
                .dcache_bsize           = 128,
                .num_pmcs               = 8,
@@ -215,6 +224,7 @@ static struct cpu_spec __initdata cpu_specs[] = {
                .cpu_features           = CPU_FTRS_PPC970,
                .cpu_user_features      = COMMON_USER_POWER4 |
                        PPC_FEATURE_HAS_ALTIVEC_COMP,
+                .mmu_features           = MMU_FTR_HPTE_TABLE,
                .icache_bsize           = 128,
                .dcache_bsize           = 128,
                .num_pmcs               = 8,
@@ -233,6 +243,7 @@ static struct cpu_spec __initdata cpu_specs[] = {
                .cpu_features           = CPU_FTRS_PPC970,
                .cpu_user_features      = COMMON_USER_POWER4 |
                        PPC_FEATURE_HAS_ALTIVEC_COMP,
+                .mmu_features           = MMU_FTR_HPTE_TABLE,
                .icache_bsize           = 128,
                .dcache_bsize           = 128,
                .num_pmcs               = 8,
@@ -251,6 +262,7 @@ static struct cpu_spec __initdata cpu_specs[] = {
                .cpu_features           = CPU_FTRS_PPC970,
                .cpu_user_features      = COMMON_USER_POWER4 |
                        PPC_FEATURE_HAS_ALTIVEC_COMP,
+                .mmu_features           = MMU_FTR_HPTE_TABLE,
                .icache_bsize           = 128,
                .dcache_bsize           = 128,
                .num_pmcs               = 8,
@@ -269,6 +281,7 @@ static struct cpu_spec __initdata cpu_specs[] = {
                .cpu_features           = CPU_FTRS_PPC970,
                .cpu_user_features      = COMMON_USER_POWER4 |
                        PPC_FEATURE_HAS_ALTIVEC_COMP,
+                .mmu_features           = MMU_FTR_HPTE_TABLE,
                .icache_bsize           = 128,
                .dcache_bsize           = 128,
                .num_pmcs               = 8,
@@ -287,6 +300,7 @@ static struct cpu_spec __initdata cpu_specs[] = {
                .cpu_features           = CPU_FTRS_PPC970,
                .cpu_user_features      = COMMON_USER_POWER4 |
                        PPC_FEATURE_HAS_ALTIVEC_COMP,
+                .mmu_features           = MMU_FTR_HPTE_TABLE,
                .icache_bsize           = 128,
                .dcache_bsize           = 128,
                .num_pmcs               = 8,
@@ -303,6 +317,7 @@ static struct cpu_spec __initdata cpu_specs[] = {
                .cpu_name               = "POWER5 (gr)",
                .cpu_features           = CPU_FTRS_POWER5,
                .cpu_user_features      = COMMON_USER_POWER5,
+                .mmu_features           = MMU_FTR_HPTE_TABLE,
                .icache_bsize           = 128,
                .dcache_bsize           = 128,
                .num_pmcs               = 6,
@@ -323,6 +338,7 @@ static struct cpu_spec __initdata cpu_specs[] = {
                .cpu_name               = "POWER5+ (gs)",
                .cpu_features           = CPU_FTRS_POWER5,
                .cpu_user_features      = COMMON_USER_POWER5_PLUS,
+                .mmu_features           = MMU_FTR_HPTE_TABLE,
                .icache_bsize           = 128,
                .dcache_bsize           = 128,
                .num_pmcs               = 6,
@@ -339,6 +355,7 @@ static struct cpu_spec __initdata cpu_specs[] = {
                .cpu_name               = "POWER5+ (gs)",
                .cpu_features           = CPU_FTRS_POWER5,
                .cpu_user_features      = COMMON_USER_POWER5_PLUS,
+                .mmu_features           = MMU_FTR_HPTE_TABLE,
                .icache_bsize           = 128,
                .dcache_bsize           = 128,
                .num_pmcs               = 6,
@@ -356,6 +373,7 @@ static struct cpu_spec __initdata cpu_specs[] = {
                .cpu_name               = "POWER5+",
                .cpu_features           = CPU_FTRS_POWER5,
                .cpu_user_features      = COMMON_USER_POWER5_PLUS,
+                .mmu_features           = MMU_FTR_HPTE_TABLE,
                .icache_bsize           = 128,
                .dcache_bsize           = 128,
                .machine_check          = machine_check_generic,
@@ -369,6 +387,7 @@ static struct cpu_spec __initdata cpu_specs[] = {
                .cpu_features           = CPU_FTRS_POWER6,
                .cpu_user_features      = COMMON_USER_POWER6 |
                        PPC_FEATURE_POWER6_EXT,
+                .mmu_features           = MMU_FTR_HPTE_TABLE,
                .icache_bsize           = 128,
                .dcache_bsize           = 128,
                .num_pmcs               = 6,
@@ -388,6 +407,7 @@ static struct cpu_spec __initdata cpu_specs[] = {
                .cpu_name               = "POWER6 (architected)",
                .cpu_features           = CPU_FTRS_POWER6,
                .cpu_user_features      = COMMON_USER_POWER6,
+                .mmu_features           = MMU_FTR_HPTE_TABLE,
                .icache_bsize           = 128,
                .dcache_bsize           = 128,
                .machine_check          = machine_check_generic,
@@ -400,6 +420,7 @@ static struct cpu_spec __initdata cpu_specs[] = {
                .cpu_name               = "POWER7 (architected)",
                .cpu_features           = CPU_FTRS_POWER7,
                .cpu_user_features      = COMMON_USER_POWER7,
+                .mmu_features           = MMU_FTR_HPTE_TABLE,
                .icache_bsize           = 128,
                .dcache_bsize           = 128,
                .machine_check          = machine_check_generic,
@@ -412,6 +433,7 @@ static struct cpu_spec __initdata cpu_specs[] = {
                .cpu_name               = "POWER7 (raw)",
                .cpu_features           = CPU_FTRS_POWER7,
                .cpu_user_features      = COMMON_USER_POWER7,
+                .mmu_features           = MMU_FTR_HPTE_TABLE,
                .icache_bsize           = 128,
                .dcache_bsize           = 128,
                .num_pmcs               = 6,
@@ -434,6 +456,7 @@ static struct cpu_spec __initdata cpu_specs[] = {
                .cpu_user_features      = COMMON_USER_PPC64 |
                        PPC_FEATURE_CELL | PPC_FEATURE_HAS_ALTIVEC_COMP |
                        PPC_FEATURE_SMT,
+                .mmu_features           = MMU_FTR_HPTE_TABLE,
                .icache_bsize           = 128,
                .dcache_bsize           = 128,
                .num_pmcs               = 4,
@@ -449,6 +472,7 @@ static struct cpu_spec __initdata cpu_specs[] = {
                .cpu_name               = "PA6T",
                .cpu_features           = CPU_FTRS_PA6T,
                .cpu_user_features      = COMMON_USER_PA6T,
+                .mmu_features           = MMU_FTR_HPTE_TABLE,
                .icache_bsize           = 64,
                .dcache_bsize           = 64,
                .num_pmcs               = 6,
@@ -466,6 +490,7 @@ static struct cpu_spec __initdata cpu_specs[] = {
                .cpu_name               = "POWER4 (compatible)",
                .cpu_features           = CPU_FTRS_COMPATIBLE,
                .cpu_user_features      = COMMON_USER_PPC64,
+                .mmu_features           = MMU_FTR_HPTE_TABLE,
                .icache_bsize           = 128,
                .dcache_bsize           = 128,
                .num_pmcs               = 6,
@@ -483,6 +508,7 @@ static struct cpu_spec __initdata cpu_specs[] = {
                .cpu_features           = CPU_FTRS_PPC601,
                .cpu_user_features      = COMMON_USER | PPC_FEATURE_601_INSTR |
                        PPC_FEATURE_UNIFIED_CACHE | PPC_FEATURE_NO_TB,
+                .mmu_features           = MMU_FTR_HPTE_TABLE,
                .icache_bsize           = 32,
                .dcache_bsize           = 32,
                .machine_check          = machine_check_generic,
@@ -494,6 +520,7 @@ static struct cpu_spec __initdata cpu_specs[] = {
                .cpu_name               = "603",
                .cpu_features           = CPU_FTRS_603,
                .cpu_user_features      = COMMON_USER | PPC_FEATURE_PPC_LE,
+                .mmu_features           = 0,
                .icache_bsize           = 32,
                .dcache_bsize           = 32,
                .cpu_setup              = __setup_cpu_603,
@@ -506,6 +533,7 @@ static struct cpu_spec __initdata cpu_specs[] = {
                .cpu_name               = "603e",
                .cpu_features           = CPU_FTRS_603,
                .cpu_user_features      = COMMON_USER | PPC_FEATURE_PPC_LE,
+                .mmu_features           = 0,
                .icache_bsize           = 32,
                .dcache_bsize           = 32,
                .cpu_setup              = __setup_cpu_603,
@@ -518,6 +546,7 @@ static struct cpu_spec __initdata cpu_specs[] = {
                .cpu_name               = "603ev",
                .cpu_features           = CPU_FTRS_603,
                .cpu_user_features      = COMMON_USER | PPC_FEATURE_PPC_LE,
+                .mmu_features           = 0,
                .icache_bsize           = 32,
                .dcache_bsize           = 32,
                .cpu_setup              = __setup_cpu_603,
@@ -530,6 +559,7 @@ static struct cpu_spec __initdata cpu_specs[] = {
                .cpu_name               = "604",
                .cpu_features           = CPU_FTRS_604,
                .cpu_user_features      = COMMON_USER | PPC_FEATURE_PPC_LE,
+                .mmu_features           = MMU_FTR_HPTE_TABLE,
                .icache_bsize           = 32,
                .dcache_bsize           = 32,
                .num_pmcs               = 2,
@@ -543,6 +573,7 @@ static struct cpu_spec __initdata cpu_specs[] = {
                .cpu_name               = "604e",
                .cpu_features           = CPU_FTRS_604,
                .cpu_user_features      = COMMON_USER | PPC_FEATURE_PPC_LE,
+                .mmu_features           = MMU_FTR_HPTE_TABLE,
                .icache_bsize           = 32,
                .dcache_bsize           = 32,
                .num_pmcs               = 4,
@@ -556,6 +587,7 @@ static struct cpu_spec __initdata cpu_specs[] = {
                .cpu_name               = "604r",
                .cpu_features           = CPU_FTRS_604,
                .cpu_user_features      = COMMON_USER | PPC_FEATURE_PPC_LE,
+                .mmu_features           = MMU_FTR_HPTE_TABLE,
                .icache_bsize           = 32,
                .dcache_bsize           = 32,
                .num_pmcs               = 4,
@@ -569,6 +601,7 @@ static struct cpu_spec __initdata cpu_specs[] = {
                .cpu_name               = "604ev",
                .cpu_features           = CPU_FTRS_604,
                .cpu_user_features      = COMMON_USER | PPC_FEATURE_PPC_LE,
+                .mmu_features           = MMU_FTR_HPTE_TABLE,
                .icache_bsize           = 32,
                .dcache_bsize           = 32,
                .num_pmcs               = 4,
@@ -582,6 +615,7 @@ static struct cpu_spec __initdata cpu_specs[] = {
                .cpu_name               = "740/750",
                .cpu_features           = CPU_FTRS_740_NOTAU,
                .cpu_user_features      = COMMON_USER | PPC_FEATURE_PPC_LE,
+                .mmu_features           = MMU_FTR_HPTE_TABLE,
                .icache_bsize           = 32,
                .dcache_bsize           = 32,
                .num_pmcs               = 4,
@@ -595,6 +629,7 @@ static struct cpu_spec __initdata cpu_specs[] = {
                .cpu_name               = "750CX",
                .cpu_features           = CPU_FTRS_750,
                .cpu_user_features      = COMMON_USER | PPC_FEATURE_PPC_LE,
+                .mmu_features           = MMU_FTR_HPTE_TABLE,
                .icache_bsize           = 32,
                .dcache_bsize           = 32,
                .num_pmcs               = 4,
@@ -608,6 +643,7 @@ static struct cpu_spec __initdata cpu_specs[] = {
                .cpu_name               = "750CX",
                .cpu_features           = CPU_FTRS_750,
                .cpu_user_features      = COMMON_USER | PPC_FEATURE_PPC_LE,
+                .mmu_features           = MMU_FTR_HPTE_TABLE,
                .icache_bsize           = 32,
                .dcache_bsize           = 32,
                .num_pmcs               = 4,
@@ -622,6 +658,7 @@ static struct cpu_spec __initdata cpu_specs[] = {
                .cpu_name               = "750CXe",
                .cpu_features           = CPU_FTRS_750,
                .cpu_user_features      = COMMON_USER | PPC_FEATURE_PPC_LE,
+                .mmu_features           = MMU_FTR_HPTE_TABLE,
                .icache_bsize           = 32,
                .dcache_bsize           = 32,
                .num_pmcs               = 4,
@@ -636,6 +673,7 @@ static struct cpu_spec __initdata cpu_specs[] = {
                .cpu_name               = "750CXe",
                .cpu_features           = CPU_FTRS_750,
                .cpu_user_features      = COMMON_USER | PPC_FEATURE_PPC_LE,
+                .mmu_features           = MMU_FTR_HPTE_TABLE,
                .icache_bsize           = 32,
                .dcache_bsize           = 32,
                .num_pmcs               = 4,
@@ -650,6 +688,7 @@ static struct cpu_spec __initdata cpu_specs[] = {
                .cpu_name               = "750CL",
                .cpu_features           = CPU_FTRS_750CL,
                .cpu_user_features      = COMMON_USER | PPC_FEATURE_PPC_LE,
+                .mmu_features           = MMU_FTR_HPTE_TABLE | MMU_FTR_USE_HIGH_BATS,
                .icache_bsize           = 32,
                .dcache_bsize           = 32,
                .num_pmcs               = 4,
@@ -664,6 +703,7 @@ static struct cpu_spec __initdata cpu_specs[] = {
                .cpu_name               = "745/755",
                .cpu_features           = CPU_FTRS_750,
                .cpu_user_features      = COMMON_USER | PPC_FEATURE_PPC_LE,
+                .mmu_features           = MMU_FTR_HPTE_TABLE,
                .icache_bsize           = 32,
                .dcache_bsize           = 32,
                .num_pmcs               = 4,
@@ -678,6 +718,7 @@ static struct cpu_spec __initdata cpu_specs[] = {
                .cpu_name               = "750FX",
                .cpu_features           = CPU_FTRS_750FX1,
                .cpu_user_features      = COMMON_USER | PPC_FEATURE_PPC_LE,
+                .mmu_features           = MMU_FTR_HPTE_TABLE,
                .icache_bsize           = 32,
                .dcache_bsize           = 32,
                .num_pmcs               = 4,
@@ -692,6 +733,7 @@ static struct cpu_spec __initdata cpu_specs[] = {
                .cpu_name               = "750FX",
                .cpu_features           = CPU_FTRS_750FX2,
                .cpu_user_features      = COMMON_USER | PPC_FEATURE_PPC_LE,
+                .mmu_features           = MMU_FTR_HPTE_TABLE,
                .icache_bsize           = 32,
                .dcache_bsize           = 32,
                .num_pmcs               = 4,
@@ -706,6 +748,7 @@ static struct cpu_spec __initdata cpu_specs[] = {
                .cpu_name               = "750FX",
                .cpu_features           = CPU_FTRS_750FX,
                .cpu_user_features      = COMMON_USER | PPC_FEATURE_PPC_LE,
+                .mmu_features           = MMU_FTR_HPTE_TABLE | MMU_FTR_USE_HIGH_BATS,
                .icache_bsize           = 32,
                .dcache_bsize           = 32,
                .num_pmcs               = 4,
@@ -720,6 +763,7 @@ static struct cpu_spec __initdata cpu_specs[] = {
                .cpu_name               = "750GX",
                .cpu_features           = CPU_FTRS_750GX,
                .cpu_user_features      = COMMON_USER | PPC_FEATURE_PPC_LE,
+                .mmu_features           = MMU_FTR_HPTE_TABLE | MMU_FTR_USE_HIGH_BATS,
                .icache_bsize           = 32,
                .dcache_bsize           = 32,
                .num_pmcs               = 4,
@@ -734,6 +778,7 @@ static struct cpu_spec __initdata cpu_specs[] = {
                .cpu_name               = "740/750",
                .cpu_features           = CPU_FTRS_740,
                .cpu_user_features      = COMMON_USER | PPC_FEATURE_PPC_LE,
+                .mmu_features           = MMU_FTR_HPTE_TABLE,
                .icache_bsize           = 32,
                .dcache_bsize           = 32,
                .num_pmcs               = 4,
@@ -749,6 +794,7 @@ static struct cpu_spec __initdata cpu_specs[] = {
                .cpu_features           = CPU_FTRS_7400_NOTAU,
                .cpu_user_features      = COMMON_USER |
                        PPC_FEATURE_HAS_ALTIVEC_COMP | PPC_FEATURE_PPC_LE,
+                .mmu_features           = MMU_FTR_HPTE_TABLE,
                .icache_bsize           = 32,
                .dcache_bsize           = 32,
                .num_pmcs               = 4,
@@ -764,6 +810,7 @@ static struct cpu_spec __initdata cpu_specs[] = {
                .cpu_features           = CPU_FTRS_7400,
                .cpu_user_features      = COMMON_USER |
                        PPC_FEATURE_HAS_ALTIVEC_COMP | PPC_FEATURE_PPC_LE,
+                .mmu_features           = MMU_FTR_HPTE_TABLE,
                .icache_bsize           = 32,
                .dcache_bsize           = 32,
                .num_pmcs               = 4,
@@ -779,6 +826,7 @@ static struct cpu_spec __initdata cpu_specs[] = {
                .cpu_features           = CPU_FTRS_7400,
                .cpu_user_features      = COMMON_USER |
                        PPC_FEATURE_HAS_ALTIVEC_COMP | PPC_FEATURE_PPC_LE,
+                .mmu_features           = MMU_FTR_HPTE_TABLE,
                .icache_bsize           = 32,
                .dcache_bsize           = 32,
                .num_pmcs               = 4,
@@ -794,6 +842,7 @@ static struct cpu_spec __initdata cpu_specs[] = {
                .cpu_features           = CPU_FTRS_7450_20,
                .cpu_user_features      = COMMON_USER |
                        PPC_FEATURE_HAS_ALTIVEC_COMP | PPC_FEATURE_PPC_LE,
+                .mmu_features           = MMU_FTR_HPTE_TABLE,
                .icache_bsize           = 32,
                .dcache_bsize           = 32,
                .num_pmcs               = 6,
@@ -811,6 +860,7 @@ static struct cpu_spec __initdata cpu_specs[] = {
                .cpu_features           = CPU_FTRS_7450_21,
                .cpu_user_features      = COMMON_USER |
                        PPC_FEATURE_HAS_ALTIVEC_COMP | PPC_FEATURE_PPC_LE,
+                .mmu_features           = MMU_FTR_HPTE_TABLE,
                .icache_bsize           = 32,
                .dcache_bsize           = 32,
                .num_pmcs               = 6,
@@ -828,6 +878,7 @@ static struct cpu_spec __initdata cpu_specs[] = {
                .cpu_features           = CPU_FTRS_7450_23,
                .cpu_user_features      = COMMON_USER |
                        PPC_FEATURE_HAS_ALTIVEC_COMP | PPC_FEATURE_PPC_LE,
+                .mmu_features           = MMU_FTR_HPTE_TABLE,
                .icache_bsize           = 32,
                .dcache_bsize           = 32,
                .num_pmcs               = 6,
@@ -845,6 +896,7 @@ static struct cpu_spec __initdata cpu_specs[] = {
                .cpu_features           = CPU_FTRS_7455_1,
                .cpu_user_features      = COMMON_USER |
                        PPC_FEATURE_HAS_ALTIVEC_COMP | PPC_FEATURE_PPC_LE,
+                .mmu_features           = MMU_FTR_HPTE_TABLE | MMU_FTR_USE_HIGH_BATS,
                .icache_bsize           = 32,
                .dcache_bsize           = 32,
                .num_pmcs               = 6,
@@ -862,6 +914,7 @@ static struct cpu_spec __initdata cpu_specs[] = {
                .cpu_features           = CPU_FTRS_7455_20,
                .cpu_user_features      = COMMON_USER |
                        PPC_FEATURE_HAS_ALTIVEC_COMP | PPC_FEATURE_PPC_LE,
+                .mmu_features           = MMU_FTR_HPTE_TABLE | MMU_FTR_USE_HIGH_BATS,
                .icache_bsize           = 32,
                .dcache_bsize           = 32,
                .num_pmcs               = 6,
@@ -879,6 +932,7 @@ static struct cpu_spec __initdata cpu_specs[] = {
                .cpu_features           = CPU_FTRS_7455,
                .cpu_user_features      = COMMON_USER |
                        PPC_FEATURE_HAS_ALTIVEC_COMP | PPC_FEATURE_PPC_LE,
+                .mmu_features           = MMU_FTR_HPTE_TABLE | MMU_FTR_USE_HIGH_BATS,
                .icache_bsize           = 32,
                .dcache_bsize           = 32,
                .num_pmcs               = 6,
@@ -896,6 +950,7 @@ static struct cpu_spec __initdata cpu_specs[] = {
                .cpu_features           = CPU_FTRS_7447_10,
                .cpu_user_features      = COMMON_USER |
                        PPC_FEATURE_HAS_ALTIVEC_COMP | PPC_FEATURE_PPC_LE,
+                .mmu_features           = MMU_FTR_HPTE_TABLE | MMU_FTR_USE_HIGH_BATS,
                .icache_bsize           = 32,
                .dcache_bsize           = 32,
                .num_pmcs               = 6,
@@ -913,6 +968,7 @@ static struct cpu_spec __initdata cpu_specs[] = {
                .cpu_features           = CPU_FTRS_7447_10,
                .cpu_user_features      = COMMON_USER |
                        PPC_FEATURE_HAS_ALTIVEC_COMP | PPC_FEATURE_PPC_LE,
+                .mmu_features           = MMU_FTR_HPTE_TABLE | MMU_FTR_USE_HIGH_BATS,
                .icache_bsize           = 32,
                .dcache_bsize           = 32,
                .num_pmcs               = 6,
@@ -929,6 +985,7 @@ static struct cpu_spec __initdata cpu_specs[] = {
                .cpu_name               = "7447/7457",
                .cpu_features           = CPU_FTRS_7447,
                .cpu_user_features      = COMMON_USER | PPC_FEATURE_HAS_ALTIVEC_COMP | PPC_FEATURE_PPC_LE,
+                .mmu_features           = MMU_FTR_HPTE_TABLE | MMU_FTR_USE_HIGH_BATS,
                .icache_bsize           = 32,
                .dcache_bsize           = 32,
                .num_pmcs               = 6,
@@ -946,6 +1003,7 @@ static struct cpu_spec __initdata cpu_specs[] = {
                .cpu_features           = CPU_FTRS_7447A,
                .cpu_user_features      = COMMON_USER |
                        PPC_FEATURE_HAS_ALTIVEC_COMP | PPC_FEATURE_PPC_LE,
+                .mmu_features           = MMU_FTR_HPTE_TABLE | MMU_FTR_USE_HIGH_BATS,
                .icache_bsize           = 32,
                .dcache_bsize           = 32,
                .num_pmcs               = 6,
@@ -963,6 +1021,7 @@ static struct cpu_spec __initdata cpu_specs[] = {
                .cpu_features           = CPU_FTRS_7448,
                .cpu_user_features      = COMMON_USER |
                        PPC_FEATURE_HAS_ALTIVEC_COMP | PPC_FEATURE_PPC_LE,
+                .mmu_features           = MMU_FTR_HPTE_TABLE | MMU_FTR_USE_HIGH_BATS,
                .icache_bsize           = 32,
                .dcache_bsize           = 32,
                .num_pmcs               = 6,
@@ -979,6 +1038,7 @@ static struct cpu_spec __initdata cpu_specs[] = {
                .cpu_name               = "82xx",
                .cpu_features           = CPU_FTRS_82XX,
                .cpu_user_features      = COMMON_USER,
+                .mmu_features           = 0,
                .icache_bsize           = 32,
                .dcache_bsize           = 32,
                .cpu_setup              = __setup_cpu_603,
@@ -991,6 +1051,7 @@ static struct cpu_spec __initdata cpu_specs[] = {
                .cpu_name               = "G2_LE",
                .cpu_features           = CPU_FTRS_G2_LE,
                .cpu_user_features      = COMMON_USER,
+                .mmu_features           = MMU_FTR_USE_HIGH_BATS,
                .icache_bsize           = 32,
                .dcache_bsize           = 32,
                .cpu_setup              = __setup_cpu_603,
@@ -1003,6 +1064,7 @@ static struct cpu_spec __initdata cpu_specs[] = {
                .cpu_name               = "e300c1",
                .cpu_features           = CPU_FTRS_E300,
                .cpu_user_features      = COMMON_USER,
+                .mmu_features           = MMU_FTR_USE_HIGH_BATS,
                .icache_bsize           = 32,
                .dcache_bsize           = 32,
                .cpu_setup              = __setup_cpu_603,
@@ -1015,6 +1077,7 @@ static struct cpu_spec __initdata cpu_specs[] = {
                .cpu_name               = "e300c2",
                .cpu_features           = CPU_FTRS_E300C2,
                .cpu_user_features      = PPC_FEATURE_32 | PPC_FEATURE_HAS_MMU,
+                .mmu_features           = MMU_FTR_USE_HIGH_BATS,
                .icache_bsize           = 32,
                .dcache_bsize           = 32,
                .cpu_setup              = __setup_cpu_603,
@@ -1027,6 +1090,7 @@ static struct cpu_spec __initdata cpu_specs[] = {
                .cpu_name               = "e300c3",
                .cpu_features           = CPU_FTRS_E300,
                .cpu_user_features      = COMMON_USER,
+                .mmu_features           = MMU_FTR_USE_HIGH_BATS,
                .icache_bsize           = 32,
                .dcache_bsize           = 32,
                .cpu_setup              = __setup_cpu_603,
@@ -1041,6 +1105,7 @@ static struct cpu_spec __initdata cpu_specs[] = {
                .cpu_name               = "e300c4",
                .cpu_features           = CPU_FTRS_E300,
                .cpu_user_features      = COMMON_USER,
+                .mmu_features           = MMU_FTR_USE_HIGH_BATS,
                .icache_bsize           = 32,
                .dcache_bsize           = 32,
                .cpu_setup              = __setup_cpu_603,
@@ -1056,6 +1121,7 @@ static struct cpu_spec __initdata cpu_specs[] = {
                .cpu_name               = "(generic PPC)",
                .cpu_features           = CPU_FTRS_CLASSIC32,
                .cpu_user_features      = COMMON_USER,
+                .mmu_features           = MMU_FTR_HPTE_TABLE,
                .icache_bsize           = 32,
                .dcache_bsize           = 32,
                .machine_check          = machine_check_generic,
@@ -1071,6 +1137,7 @@ static struct cpu_spec __initdata cpu_specs[] = {
                 * if the 8xx code is there.... */
                .cpu_features           = CPU_FTRS_8XX,
                .cpu_user_features      = PPC_FEATURE_32 | PPC_FEATURE_HAS_MMU,
+                .mmu_features           = MMU_FTR_TYPE_8xx,
                .icache_bsize           = 16,
                .dcache_bsize           = 16,
                .platform               = "ppc823",
@@ -1083,6 +1150,7 @@ static struct cpu_spec __initdata cpu_specs[] = {
                .cpu_name               = "403GC",
                .cpu_features           = CPU_FTRS_40X,
                .cpu_user_features      = PPC_FEATURE_32 | PPC_FEATURE_HAS_MMU,
+                .mmu_features           = MMU_FTR_TYPE_40x,
                .icache_bsize           = 16,
                .dcache_bsize           = 16,
                .machine_check          = machine_check_4xx,
@@ -1095,6 +1163,7 @@ static struct cpu_spec __initdata cpu_specs[] = {
                .cpu_features           = CPU_FTRS_40X,
                .cpu_user_features      = PPC_FEATURE_32 |
                        PPC_FEATURE_HAS_MMU | PPC_FEATURE_NO_TB,
+                .mmu_features           = MMU_FTR_TYPE_40x,
                .icache_bsize           = 16,
                .dcache_bsize           = 16,
                .machine_check          = machine_check_4xx,
@@ -1106,6 +1175,7 @@ static struct cpu_spec __initdata cpu_specs[] = {
                .cpu_name               = "403G ??",
                .cpu_features           = CPU_FTRS_40X,
                .cpu_user_features      = PPC_FEATURE_32 | PPC_FEATURE_HAS_MMU,
+                .mmu_features           = MMU_FTR_TYPE_40x,
                .icache_bsize           = 16,
                .dcache_bsize           = 16,
                .machine_check          = machine_check_4xx,
@@ -1118,6 +1188,7 @@ static struct cpu_spec __initdata cpu_specs[] = {
                .cpu_features           = CPU_FTRS_40X,
                .cpu_user_features      = PPC_FEATURE_32 |
                        PPC_FEATURE_HAS_MMU | PPC_FEATURE_HAS_4xxMAC,
+                .mmu_features           = MMU_FTR_TYPE_40x,
                .icache_bsize           = 32,
                .dcache_bsize           = 32,
                .machine_check          = machine_check_4xx,
@@ -1130,6 +1201,7 @@ static struct cpu_spec __initdata cpu_specs[] = {
                .cpu_features           = CPU_FTRS_40X,
                .cpu_user_features      = PPC_FEATURE_32 |
                        PPC_FEATURE_HAS_MMU | PPC_FEATURE_HAS_4xxMAC,
+                .mmu_features           = MMU_FTR_TYPE_40x,
                .icache_bsize           = 32,
                .dcache_bsize           = 32,
                .machine_check          = machine_check_4xx,
@@ -1142,6 +1214,7 @@ static struct cpu_spec __initdata cpu_specs[] = {
                .cpu_features           = CPU_FTRS_40X,
                .cpu_user_features      = PPC_FEATURE_32 |
                        PPC_FEATURE_HAS_MMU | PPC_FEATURE_HAS_4xxMAC,
+                .mmu_features           = MMU_FTR_TYPE_40x,
                .icache_bsize           = 32,
                .dcache_bsize           = 32,
                .machine_check          = machine_check_4xx,
@@ -1154,6 +1227,7 @@ static struct cpu_spec __initdata cpu_specs[] = {
                .cpu_features           = CPU_FTRS_40X,
                .cpu_user_features      = PPC_FEATURE_32 |
                        PPC_FEATURE_HAS_MMU | PPC_FEATURE_HAS_4xxMAC,
+                .mmu_features           = MMU_FTR_TYPE_40x,
                .icache_bsize           = 32,
                .dcache_bsize           = 32,
                .machine_check          = machine_check_4xx,
@@ -1166,6 +1240,7 @@ static struct cpu_spec __initdata cpu_specs[] = {
                .cpu_features           = CPU_FTRS_40X,
                .cpu_user_features      = PPC_FEATURE_32 |
                        PPC_FEATURE_HAS_MMU | PPC_FEATURE_HAS_4xxMAC,
+                .mmu_features           = MMU_FTR_TYPE_40x,
                .icache_bsize           = 32,
                .dcache_bsize           = 32,
                .machine_check          = machine_check_4xx,
@@ -1178,6 +1253,7 @@ static struct cpu_spec __initdata cpu_specs[] = {
                .cpu_features           = CPU_FTRS_40X,
                .cpu_user_features      = PPC_FEATURE_32 |
                        PPC_FEATURE_HAS_MMU | PPC_FEATURE_HAS_4xxMAC,
+                .mmu_features           = MMU_FTR_TYPE_40x,
                .icache_bsize           = 32,
                .dcache_bsize           = 32,
                .machine_check          = machine_check_4xx,
@@ -1190,6 +1266,7 @@ static struct cpu_spec __initdata cpu_specs[] = {
                .cpu_features           = CPU_FTRS_40X,
                .cpu_user_features      = PPC_FEATURE_32 |
                        PPC_FEATURE_HAS_MMU | PPC_FEATURE_HAS_4xxMAC,
+                .mmu_features           = MMU_FTR_TYPE_40x,
                .icache_bsize           = 32,
                .dcache_bsize           = 32,
                .machine_check          = machine_check_4xx,
@@ -1202,6 +1279,7 @@ static struct cpu_spec __initdata cpu_specs[] = {
                .cpu_features           = CPU_FTRS_40X,
                .cpu_user_features      = PPC_FEATURE_32 |
                        PPC_FEATURE_HAS_MMU | PPC_FEATURE_HAS_4xxMAC,
+                .mmu_features           = MMU_FTR_TYPE_40x,
                .icache_bsize           = 32,
                .dcache_bsize           = 32,
                .machine_check          = machine_check_4xx,
@@ -1213,6 +1291,7 @@ static struct cpu_spec __initdata cpu_specs[] = {
                .cpu_name               = "405LP",
                .cpu_features           = CPU_FTRS_40X,
                .cpu_user_features      = PPC_FEATURE_32 | PPC_FEATURE_HAS_MMU,
+                .mmu_features           = MMU_FTR_TYPE_40x,
                .icache_bsize           = 32,
                .dcache_bsize           = 32,
                .machine_check          = machine_check_4xx,
@@ -1225,6 +1304,7 @@ static struct cpu_spec __initdata cpu_specs[] = {
                .cpu_features           = CPU_FTRS_40X,
                .cpu_user_features      = PPC_FEATURE_32 |
                        PPC_FEATURE_HAS_MMU | PPC_FEATURE_HAS_4xxMAC,
+                .mmu_features           = MMU_FTR_TYPE_40x,
                .icache_bsize           = 32,
                .dcache_bsize           = 32,
                .machine_check          = machine_check_4xx,
@@ -1237,6 +1317,7 @@ static struct cpu_spec __initdata cpu_specs[] = {
                .cpu_features           = CPU_FTRS_40X,
                .cpu_user_features      = PPC_FEATURE_32 |
                        PPC_FEATURE_HAS_MMU | PPC_FEATURE_HAS_4xxMAC,
+                .mmu_features           = MMU_FTR_TYPE_40x,
                .icache_bsize           = 32,
                .dcache_bsize           = 32,
                .machine_check          = machine_check_4xx,
@@ -1249,6 +1330,7 @@ static struct cpu_spec __initdata cpu_specs[] = {
                .cpu_features           = CPU_FTRS_40X,
                .cpu_user_features      = PPC_FEATURE_32 |
                        PPC_FEATURE_HAS_MMU | PPC_FEATURE_HAS_4xxMAC,
+                .mmu_features           = MMU_FTR_TYPE_40x,
                .icache_bsize           = 32,
                .dcache_bsize           = 32,
                .machine_check          = machine_check_4xx,
@@ -1261,6 +1343,7 @@ static struct cpu_spec __initdata cpu_specs[] = {
                .cpu_features           = CPU_FTRS_40X,
                .cpu_user_features      = PPC_FEATURE_32 |
                        PPC_FEATURE_HAS_MMU | PPC_FEATURE_HAS_4xxMAC,
+                .mmu_features           = MMU_FTR_TYPE_40x,
                .icache_bsize           = 32,
                .dcache_bsize           = 32,
                .machine_check          = machine_check_4xx,
@@ -1273,6 +1356,7 @@ static struct cpu_spec __initdata cpu_specs[] = {
                .cpu_features           = CPU_FTRS_40X,
                .cpu_user_features      = PPC_FEATURE_32 |
                        PPC_FEATURE_HAS_MMU | PPC_FEATURE_HAS_4xxMAC,
+                .mmu_features           = MMU_FTR_TYPE_40x,
                .icache_bsize           = 32,
                .dcache_bsize           = 32,
                .machine_check          = machine_check_4xx,
@@ -1286,6 +1370,7 @@ static struct cpu_spec __initdata cpu_specs[] = {
                .cpu_features           = CPU_FTRS_40X,
                .cpu_user_features      = PPC_FEATURE_32 |
                        PPC_FEATURE_HAS_MMU | PPC_FEATURE_HAS_4xxMAC,
+                .mmu_features           = MMU_FTR_TYPE_40x,
                .icache_bsize           = 32,
                .dcache_bsize           = 32,
                .machine_check          = machine_check_4xx,
@@ -1298,6 +1383,7 @@ static struct cpu_spec __initdata cpu_specs[] = {
                .cpu_features           = CPU_FTRS_40X,
                .cpu_user_features      = PPC_FEATURE_32 |
                        PPC_FEATURE_HAS_MMU | PPC_FEATURE_HAS_4xxMAC,
+                .mmu_features           = MMU_FTR_TYPE_40x,
                .icache_bsize           = 32,
                .dcache_bsize           = 32,
                .machine_check          = machine_check_4xx,
@@ -1312,6 +1398,7 @@ static struct cpu_spec __initdata cpu_specs[] = {
                .cpu_name               = "440GR Rev. A",
                .cpu_features           = CPU_FTRS_44X,
                .cpu_user_features      = COMMON_USER_BOOKE,
+                .mmu_features           = MMU_FTR_TYPE_44x,
                .icache_bsize           = 32,
                .dcache_bsize           = 32,
                .machine_check          = machine_check_4xx,
@@ -1323,6 +1410,7 @@ static struct cpu_spec __initdata cpu_specs[] = {
                .cpu_name               = "440EP Rev. A",
                .cpu_features           = CPU_FTRS_44X,
                .cpu_user_features      = COMMON_USER_BOOKE | PPC_FEATURE_HAS_FPU,
+                .mmu_features           = MMU_FTR_TYPE_44x,
                .icache_bsize           = 32,
                .dcache_bsize           = 32,
                .cpu_setup              = __setup_cpu_440ep,
@@ -1335,6 +1423,7 @@ static struct cpu_spec __initdata cpu_specs[] = {
                .cpu_name               = "440GR Rev. B",
                .cpu_features           = CPU_FTRS_44X,
                .cpu_user_features      = COMMON_USER_BOOKE | PPC_FEATURE_HAS_FPU,
+                .mmu_features           = MMU_FTR_TYPE_44x,
                .icache_bsize           = 32,
                .dcache_bsize           = 32,
                .machine_check          = machine_check_4xx,
@@ -1346,6 +1435,7 @@ static struct cpu_spec __initdata cpu_specs[] = {
                .cpu_name               = "440EP Rev. C",
                .cpu_features           = CPU_FTRS_44X,
                .cpu_user_features      = COMMON_USER_BOOKE | PPC_FEATURE_HAS_FPU,
+                .mmu_features           = MMU_FTR_TYPE_44x,
                .icache_bsize           = 32,
                .dcache_bsize           = 32,
                .cpu_setup              = __setup_cpu_440ep,
@@ -1358,6 +1448,7 @@ static struct cpu_spec __initdata cpu_specs[] = {
                .cpu_name               = "440EP Rev. B",
                .cpu_features           = CPU_FTRS_44X,
                .cpu_user_features      = COMMON_USER_BOOKE | PPC_FEATURE_HAS_FPU,
+                .mmu_features           = MMU_FTR_TYPE_44x,
                .icache_bsize           = 32,
                .dcache_bsize           = 32,
                .cpu_setup              = __setup_cpu_440ep,
@@ -1370,6 +1461,7 @@ static struct cpu_spec __initdata cpu_specs[] = {
                .cpu_name               = "440GRX",
                .cpu_features           = CPU_FTRS_44X,
                .cpu_user_features      = COMMON_USER_BOOKE,
+                .mmu_features           = MMU_FTR_TYPE_44x,
                .icache_bsize           = 32,
                .dcache_bsize           = 32,
                .cpu_setup              = __setup_cpu_440grx,
@@ -1382,6 +1474,7 @@ static struct cpu_spec __initdata cpu_specs[] = {
                .cpu_name               = "440EPX",
                .cpu_features           = CPU_FTRS_44X,
                .cpu_user_features      = COMMON_USER_BOOKE | PPC_FEATURE_HAS_FPU,
+                .mmu_features           = MMU_FTR_TYPE_44x,
                .icache_bsize           = 32,
                .dcache_bsize           = 32,
                .cpu_setup              = __setup_cpu_440epx,
@@ -1394,6 +1487,7 @@ static struct cpu_spec __initdata cpu_specs[] = {
                .cpu_name               = "440GP Rev. B",
                .cpu_features           = CPU_FTRS_44X,
                .cpu_user_features      = COMMON_USER_BOOKE,
+                .mmu_features           = MMU_FTR_TYPE_44x,
                .icache_bsize           = 32,
                .dcache_bsize           = 32,
                .machine_check          = machine_check_4xx,
@@ -1405,6 +1499,7 @@ static struct cpu_spec __initdata cpu_specs[] = {
                .cpu_name               = "440GP Rev. C",
                .cpu_features           = CPU_FTRS_44X,
                .cpu_user_features      = COMMON_USER_BOOKE,
+                .mmu_features           = MMU_FTR_TYPE_44x,
                .icache_bsize           = 32,
                .dcache_bsize           = 32,
                .machine_check          = machine_check_4xx,
@@ -1416,6 +1511,7 @@ static struct cpu_spec __initdata cpu_specs[] = {
                .cpu_name               = "440GX Rev. A",
                .cpu_features           = CPU_FTRS_44X,
                .cpu_user_features      = COMMON_USER_BOOKE,
+                .mmu_features           = MMU_FTR_TYPE_44x,
                .icache_bsize           = 32,
                .dcache_bsize           = 32,
                .cpu_setup              = __setup_cpu_440gx,
@@ -1428,6 +1524,7 @@ static struct cpu_spec __initdata cpu_specs[] = {
                .cpu_name               = "440GX Rev. B",
                .cpu_features           = CPU_FTRS_44X,
                .cpu_user_features      = COMMON_USER_BOOKE,
+                .mmu_features           = MMU_FTR_TYPE_44x,
                .icache_bsize           = 32,
                .dcache_bsize           = 32,
                .cpu_setup              = __setup_cpu_440gx,
@@ -1440,6 +1537,7 @@ static struct cpu_spec __initdata cpu_specs[] = {
                .cpu_name               = "440GX Rev. C",
                .cpu_features           = CPU_FTRS_44X,
                .cpu_user_features      = COMMON_USER_BOOKE,
+                .mmu_features           = MMU_FTR_TYPE_44x,
                .icache_bsize           = 32,
                .dcache_bsize           = 32,
                .cpu_setup              = __setup_cpu_440gx,
@@ -1452,6 +1550,7 @@ static struct cpu_spec __initdata cpu_specs[] = {
                .cpu_name               = "440GX Rev. F",
                .cpu_features           = CPU_FTRS_44X,
                .cpu_user_features      = COMMON_USER_BOOKE,
+                .mmu_features           = MMU_FTR_TYPE_44x,
                .icache_bsize           = 32,
                .dcache_bsize           = 32,
                .cpu_setup              = __setup_cpu_440gx,
@@ -1464,6 +1563,7 @@ static struct cpu_spec __initdata cpu_specs[] = {
                .cpu_name               = "440SP Rev. A",
                .cpu_features           = CPU_FTRS_44X,
                .cpu_user_features      = COMMON_USER_BOOKE,
+                .mmu_features           = MMU_FTR_TYPE_44x,
                .icache_bsize           = 32,
                .dcache_bsize           = 32,
                .machine_check          = machine_check_4xx,
@@ -1475,6 +1575,7 @@ static struct cpu_spec __initdata cpu_specs[] = {
                .cpu_name               = "440SPe Rev. A",
                .cpu_features           = CPU_FTRS_44X,
                .cpu_user_features      = COMMON_USER_BOOKE,
+                .mmu_features           = MMU_FTR_TYPE_44x,
                .icache_bsize           = 32,
                .dcache_bsize           = 32,
                .cpu_setup              = __setup_cpu_440spe,
@@ -1487,6 +1588,7 @@ static struct cpu_spec __initdata cpu_specs[] = {
                .cpu_name               = "440SPe Rev. B",
                .cpu_features           = CPU_FTRS_44X,
                .cpu_user_features      = COMMON_USER_BOOKE,
+                .mmu_features           = MMU_FTR_TYPE_44x,
                .icache_bsize           = 32,
                .dcache_bsize           = 32,
                .cpu_setup              = __setup_cpu_440spe,
@@ -1499,6 +1601,7 @@ static struct cpu_spec __initdata cpu_specs[] = {
                .cpu_name               = "440 in Virtex-5 FXT",
                .cpu_features           = CPU_FTRS_44X,
                .cpu_user_features      = COMMON_USER_BOOKE,
+                .mmu_features           = MMU_FTR_TYPE_44x,
                .icache_bsize           = 32,
                .dcache_bsize           = 32,
                .cpu_setup              = __setup_cpu_440x5,
@@ -1511,6 +1614,7 @@ static struct cpu_spec __initdata cpu_specs[] = {
                .cpu_name               = "460EX",
                .cpu_features           = CPU_FTRS_440x6,
                .cpu_user_features      = COMMON_USER_BOOKE | PPC_FEATURE_HAS_FPU,
+                .mmu_features           = MMU_FTR_TYPE_44x,
                .icache_bsize           = 32,
                .dcache_bsize           = 32,
                .cpu_setup              = __setup_cpu_460ex,
@@ -1523,6 +1627,7 @@ static struct cpu_spec __initdata cpu_specs[] = {
                .cpu_name               = "460GT",
                .cpu_features           = CPU_FTRS_440x6,
                .cpu_user_features      = COMMON_USER_BOOKE | PPC_FEATURE_HAS_FPU,
+                .mmu_features           = MMU_FTR_TYPE_44x,
                .icache_bsize           = 32,
                .dcache_bsize           = 32,
                .cpu_setup              = __setup_cpu_460gt,
@@ -1535,6 +1640,7 @@ static struct cpu_spec __initdata cpu_specs[] = {
                .cpu_name               = "(generic 44x PPC)",
                .cpu_features           = CPU_FTRS_44X,
                .cpu_user_features      = COMMON_USER_BOOKE,
+                .mmu_features           = MMU_FTR_TYPE_44x,
                .icache_bsize           = 32,
                .dcache_bsize           = 32,
                .machine_check          = machine_check_4xx,
@@ -1551,6 +1657,7 @@ static struct cpu_spec __initdata cpu_specs[] = {
                .cpu_user_features      = COMMON_USER_BOOKE |
                        PPC_FEATURE_HAS_EFP_SINGLE |
                        PPC_FEATURE_UNIFIED_CACHE,
+                .mmu_features           = MMU_FTR_TYPE_FSL_E,
                .dcache_bsize           = 32,
                .machine_check          = machine_check_e200,
                .platform               = "ppc5554",
@@ -1565,6 +1672,7 @@ static struct cpu_spec __initdata cpu_specs[] = {
                        PPC_FEATURE_HAS_SPE_COMP |
                        PPC_FEATURE_HAS_EFP_SINGLE_COMP |
                        PPC_FEATURE_UNIFIED_CACHE,
+                .mmu_features           = MMU_FTR_TYPE_FSL_E,
                .dcache_bsize           = 32,
                .machine_check          = machine_check_e200,
                .platform               = "ppc5554",
@@ -1577,6 +1685,7 @@ static struct cpu_spec __initdata cpu_specs[] = {
                .cpu_user_features      = COMMON_USER_BOOKE |
                        PPC_FEATURE_HAS_EFP_SINGLE |
                        PPC_FEATURE_UNIFIED_CACHE,
+                .mmu_features           = MMU_FTR_TYPE_FSL_E,
                .dcache_bsize           = 32,
                .machine_check          = machine_check_e200,
                .platform               = "ppc5554",
@@ -1591,6 +1700,7 @@ static struct cpu_spec __initdata cpu_specs[] = {
                .cpu_user_features      = COMMON_USER_BOOKE |
                        PPC_FEATURE_HAS_SPE_COMP |
                        PPC_FEATURE_HAS_EFP_SINGLE_COMP,
+                .mmu_features           = MMU_FTR_TYPE_FSL_E,
                .icache_bsize           = 32,
                .dcache_bsize           = 32,
                .num_pmcs               = 4,
@@ -1608,6 +1718,7 @@ static struct cpu_spec __initdata cpu_specs[] = {
                        PPC_FEATURE_HAS_SPE_COMP |
                        PPC_FEATURE_HAS_EFP_SINGLE_COMP |
                        PPC_FEATURE_HAS_EFP_DOUBLE_COMP,
+                .mmu_features           = MMU_FTR_TYPE_FSL_E | MMU_FTR_BIG_PHYS,
                .icache_bsize           = 32,
                .dcache_bsize           = 32,
                .num_pmcs               = 4,
@@ -1622,6 +1733,7 @@ static struct cpu_spec __initdata cpu_specs[] = {
                .cpu_name               = "e500mc",
                .cpu_features           = CPU_FTRS_E500MC,
                .cpu_user_features      = COMMON_USER_BOOKE | PPC_FEATURE_HAS_FPU,
+                .mmu_features           = MMU_FTR_TYPE_FSL_E | MMU_FTR_BIG_PHYS,
                .icache_bsize           = 64,
                .dcache_bsize           = 64,
                .num_pmcs               = 4,
@@ -1638,6 +1750,7 @@ static struct cpu_spec __initdata cpu_specs[] = {
                .cpu_user_features      = COMMON_USER_BOOKE |
                        PPC_FEATURE_HAS_SPE_COMP |
                        PPC_FEATURE_HAS_EFP_SINGLE_COMP,
+                .mmu_features           = MMU_FTR_TYPE_FSL_E,
                .icache_bsize           = 32,
                .dcache_bsize           = 32,
                .machine_check          = machine_check_e500,
diff --git a/arch/powerpc/kernel/head_32.S b/arch/powerpc/kernel/head_32.S
index be9f9e5470e8..266061924654 100644
--- a/arch/powerpc/kernel/head_32.S
+++ b/arch/powerpc/kernel/head_32.S
@@ -990,12 +990,12 @@ load_up_mmu:
        LOAD_BAT(1,r3,r4,r5)
        LOAD_BAT(2,r3,r4,r5)
        LOAD_BAT(3,r3,r4,r5)
-BEGIN_FTR_SECTION
+BEGIN_MMU_FTR_SECTION
        LOAD_BAT(4,r3,r4,r5)
        LOAD_BAT(5,r3,r4,r5)
        LOAD_BAT(6,r3,r4,r5)
        LOAD_BAT(7,r3,r4,r5)
-END_FTR_SECTION_IFSET(CPU_FTR_HAS_HIGH_BATS)
+END_MMU_FTR_SECTION_IFSET(MMU_FTR_USE_HIGH_BATS)
        blr
 /*
@@ -1141,7 +1141,7 @@ clear_bats:
        mtspr   SPRN_IBAT2L,r10
        mtspr   SPRN_IBAT3U,r10
        mtspr   SPRN_IBAT3L,r10
-BEGIN_FTR_SECTION
+BEGIN_MMU_FTR_SECTION
        /* Here's a tweak: at this point, CPU setup have
         * not been called yet, so HIGH_BAT_EN may not be
         * set in HID0 for the 745x processors. However, it
@@ -1164,7 +1164,7 @@ BEGIN_FTR_SECTION
        mtspr   SPRN_IBAT6L,r10
        mtspr   SPRN_IBAT7U,r10
        mtspr   SPRN_IBAT7L,r10
-END_FTR_SECTION_IFSET(CPU_FTR_HAS_HIGH_BATS)
+END_MMU_FTR_SECTION_IFSET(MMU_FTR_USE_HIGH_BATS)
        blr
 flush_tlbs:
diff --git a/arch/powerpc/kernel/head_fsl_booke.S b/arch/powerpc/kernel/head_fsl_booke.S
index 9a4639c459e6..11b549acc034 100644
--- a/arch/powerpc/kernel/head_fsl_booke.S
+++ b/arch/powerpc/kernel/head_fsl_booke.S
@@ -767,10 +767,10 @@ finish_tlb_load:
        rlwimi  r12, r13, 24, 0, 7      /* grab RPN[32:39] */
        rlwimi  r12, r11, 24, 8, 19     /* grab RPN[40:51] */
        mtspr   SPRN_MAS3, r12
-BEGIN_FTR_SECTION
+BEGIN_MMU_FTR_SECTION
        srwi    r10, r13, 8             /* grab RPN[8:31] */
        mtspr   SPRN_MAS7, r10
-END_FTR_SECTION_IFSET(CPU_FTR_BIG_PHYS)
+END_MMU_FTR_SECTION_IFSET(MMU_FTR_BIG_PHYS)
 #else
        rlwimi  r11, r12, 0, 20, 31     /* Extract RPN from PTE and merge with perms */
        mtspr   SPRN_MAS3, r11
diff --git a/arch/powerpc/kernel/module.c b/arch/powerpc/kernel/module.c
index 7ff292475269..43e7e3a7f130 100644
--- a/arch/powerpc/kernel/module.c
+++ b/arch/powerpc/kernel/module.c
@@ -78,6 +78,12 @@ int module_finalize(const Elf_Ehdr *hdr,
                                  (void *)sect->sh_addr,
                                  (void *)sect->sh_addr + sect->sh_size);
+        sect = find_section(hdr, sechdrs, "__mmu_ftr_fixup");
+        if (sect != NULL)
+                do_feature_fixups(cur_cpu_spec->mmu_features,
+                                  (void *)sect->sh_addr,
+                                  (void *)sect->sh_addr + sect->sh_size);
 #ifdef CONFIG_PPC64
        sect = find_section(hdr, sechdrs, "__fw_ftr_fixup");
        if (sect != NULL)
diff --git a/arch/powerpc/kernel/setup_32.c b/arch/powerpc/kernel/setup_32.c
index 086c23c1ee5e..b14c2a3e2185 100644
--- a/arch/powerpc/kernel/setup_32.c
+++ b/arch/powerpc/kernel/setup_32.c
@@ -97,6 +97,10 @@ notrace unsigned long __init early_init(unsigned long dt_ptr)
                          PTRRELOC(&__start___ftr_fixup),
                          PTRRELOC(&__stop___ftr_fixup));
+        do_feature_fixups(spec->mmu_features,
+                          PTRRELOC(&__start___mmu_ftr_fixup),
+                          PTRRELOC(&__stop___mmu_ftr_fixup));
        do_lwsync_fixups(spec->cpu_features,
                         PTRRELOC(&__start___lwsync_fixup),
                         PTRRELOC(&__stop___lwsync_fixup));
diff --git a/arch/powerpc/kernel/setup_64.c b/arch/powerpc/kernel/setup_64.c
index ce48f5c5c542..d8bd2161e738 100644
--- a/arch/powerpc/kernel/setup_64.c
+++ b/arch/powerpc/kernel/setup_64.c
@@ -361,6 +361,8 @@ void __init setup_system(void)
         */
        do_feature_fixups(cur_cpu_spec->cpu_features,
                          &__start___ftr_fixup, &__stop___ftr_fixup);
+        do_feature_fixups(cur_cpu_spec->mmu_features,
+                          &__start___mmu_ftr_fixup, &__stop___mmu_ftr_fixup);
        do_feature_fixups(powerpc_firmware_features,
                          &__start___fw_ftr_fixup, &__stop___fw_ftr_fixup);
        do_lwsync_fixups(cur_cpu_spec->cpu_features,
diff --git a/arch/powerpc/kernel/swsusp_32.S b/arch/powerpc/kernel/swsusp_32.S
index 77fc76607ab2..b47d8ceffb52 100644
--- a/arch/powerpc/kernel/swsusp_32.S
+++ b/arch/powerpc/kernel/swsusp_32.S
@@ -5,7 +5,7 @@
 #include <asm/thread_info.h>
 #include <asm/ppc_asm.h>
 #include <asm/asm-offsets.h>
+#include <asm/mmu.h>
 /*
 * Structure for storing CPU registers on the save area.
@@ -279,7 +279,7 @@ END_FTR_SECTION_IFSET(CPU_FTR_ALTIVEC)
        mtibatl 3,r4
 #endif
-BEGIN_FTR_SECTION
+BEGIN_MMU_FTR_SECTION
        li      r4,0
        mtspr   SPRN_DBAT4U,r4
        mtspr   SPRN_DBAT4L,r4
@@ -297,7 +297,7 @@ BEGIN_FTR_SECTION
        mtspr   SPRN_IBAT6L,r4
        mtspr   SPRN_IBAT7U,r4
        mtspr   SPRN_IBAT7L,r4
-END_FTR_SECTION_IFSET(CPU_FTR_HAS_HIGH_BATS)
+END_MMU_FTR_SECTION_IFSET(MMU_FTR_USE_HIGH_BATS)
        /* Flush all TLBs */
        lis     r4,0x1000
diff --git a/arch/powerpc/kernel/vdso.c b/arch/powerpc/kernel/vdso.c
index 65639a43e644..e619d424f73d 100644
--- a/arch/powerpc/kernel/vdso.c
+++ b/arch/powerpc/kernel/vdso.c
@@ -567,6 +567,11 @@ static __init int vdso_fixup_features(struct lib32_elfinfo *v32,
                do_feature_fixups(cur_cpu_spec->cpu_features,
                                  start64, start64 + size64);
+        start64 = find_section64(v64->hdr, "__mmu_ftr_fixup", &size64);
+        if (start64)
+                do_feature_fixups(cur_cpu_spec->mmu_features,
+                                  start64, start64 + size64);
        start64 = find_section64(v64->hdr, "__fw_ftr_fixup", &size64);
        if (start64)
                do_feature_fixups(powerpc_firmware_features,
@@ -583,6 +588,11 @@ static __init int vdso_fixup_features(struct lib32_elfinfo *v32,
                do_feature_fixups(cur_cpu_spec->cpu_features,
                                  start32, start32 + size32);
+        start32 = find_section32(v32->hdr, "__mmu_ftr_fixup", &size32);
+        if (start32)
+                do_feature_fixups(cur_cpu_spec->mmu_features,
+                                  start32, start32 + size32);
 #ifdef CONFIG_PPC64
        start32 = find_section32(v32->hdr, "__fw_ftr_fixup", &size32);
        if (start32)
diff --git a/arch/powerpc/kernel/vdso32/vdso32.lds.S b/arch/powerpc/kernel/vdso32/vdso32.lds.S
index be3b6a41dc09..904ef1360dd7 100644
--- a/arch/powerpc/kernel/vdso32/vdso32.lds.S
+++ b/arch/powerpc/kernel/vdso32/vdso32.lds.S
@@ -34,6 +34,9 @@ SECTIONS
        __ftr_fixup     : { *(__ftr_fixup) }
        . = ALIGN(8);
+        __mmu_ftr_fixup : { *(__mmu_ftr_fixup) }
+        . = ALIGN(8);
        __lwsync_fixup  : { *(__lwsync_fixup) }
 #ifdef CONFIG_PPC64
diff --git a/arch/powerpc/kernel/vdso64/vdso64.lds.S b/arch/powerpc/kernel/vdso64/vdso64.lds.S
index d0b2526dd38d..0e615404e247 100644
--- a/arch/powerpc/kernel/vdso64/vdso64.lds.S
+++ b/arch/powerpc/kernel/vdso64/vdso64.lds.S
@@ -35,6 +35,9 @@ SECTIONS
        __ftr_fixup     : { *(__ftr_fixup) }
        . = ALIGN(8);
+        __mmu_ftr_fixup : { *(__mmu_ftr_fixup) }
+        . = ALIGN(8);
        __lwsync_fixup  : { *(__lwsync_fixup) }
        . = ALIGN(8);
diff --git a/arch/powerpc/kernel/vmlinux.lds.S b/arch/powerpc/kernel/vmlinux.lds.S
index 2412c056baa4..47bf15cd2c9e 100644
--- a/arch/powerpc/kernel/vmlinux.lds.S
+++ b/arch/powerpc/kernel/vmlinux.lds.S
@@ -152,6 +152,12 @@ SECTIONS
                __stop___ftr_fixup = .;
        }
        . = ALIGN(8);
+        __mmu_ftr_fixup : AT(ADDR(__mmu_ftr_fixup) - LOAD_OFFSET) {
+                __start___mmu_ftr_fixup = .;
+                *(__mmu_ftr_fixup)
+                __stop___mmu_ftr_fixup = .;
+        }
+        . = ALIGN(8);
        __lwsync_fixup : AT(ADDR(__lwsync_fixup) - LOAD_OFFSET) {
                __start___lwsync_fixup = .;
                *(__lwsync_fixup)
diff --git a/arch/powerpc/mm/ppc_mmu_32.c b/arch/powerpc/mm/ppc_mmu_32.c
index 6aa120813775..9d97db7b7cf7 100644
--- a/arch/powerpc/mm/ppc_mmu_32.c
+++ b/arch/powerpc/mm/ppc_mmu_32.c
@@ -192,7 +192,7 @@ void __init MMU_init_hw(void)
        extern unsigned int hash_page[];
        extern unsigned int flush_hash_patch_A[], flush_hash_patch_B[];
-        if (!cpu_has_feature(CPU_FTR_HPTE_TABLE)) {
+        if (!mmu_has_feature(MMU_FTR_HPTE_TABLE)) {
                /*
                 * Put a blr (procedure return) instruction at the
                 * start of hash_page, since we can still get DSI
diff --git a/arch/powerpc/platforms/powermac/sleep.S b/arch/powerpc/platforms/powermac/sleep.S
index adee28da353f..1c2802fabd57 100644
--- a/arch/powerpc/platforms/powermac/sleep.S
+++ b/arch/powerpc/platforms/powermac/sleep.S
@@ -17,6 +17,7 @@
 #include <asm/cache.h>
 #include <asm/thread_info.h>
 #include <asm/asm-offsets.h>
+#include <asm/mmu.h>
 #define MAGIC   0x4c617273      /* 'Lars' */
@@ -323,7 +324,7 @@ grackle_wake_up:
        lwz     r4,SL_IBAT3+4(r1)
        mtibatl 3,r4
-BEGIN_FTR_SECTION
+BEGIN_MMU_FTR_SECTION
        li      r4,0
        mtspr   SPRN_DBAT4U,r4
        mtspr   SPRN_DBAT4L,r4
@@ -341,7 +342,7 @@ BEGIN_FTR_SECTION
        mtspr   SPRN_IBAT6L,r4
        mtspr   SPRN_IBAT7U,r4
        mtspr   SPRN_IBAT7L,r4
-END_FTR_SECTION_IFSET(CPU_FTR_HAS_HIGH_BATS)
+END_MMU_FTR_SECTION_IFSET(MMU_FTR_USE_HIGH_BATS)
        /* Flush all TLBs */
        lis     r4,0x1000
author	Benjamin Herrenschmidt <benh@kernel.crashing.org>	2008-12-18 14:13:32 -0500
committer	Paul Mackerras <paulus@samba.org>	2008-12-20 22:21:16 -0500
commit	7c03d653cd257793dc40520c94e229b5fd0578e7 (patch)
tree	c2beffddec486c47f8ec6df5c3b592c143380559
parent	2ca8cf738907180e7fbda90f25f32b86feda609f (diff)