diff options
| author |   Benjamin Herrenschmidt <benh@kernel.crashing.org> | 2009-03-18 13:16:30 +1100 |
|---|---|---|
| committer | Benjamin Herrenschmidt <benh@kernel.crashing.org> | 2009-03-18 13:16:30 +1100 |
| commit | c71327ad9f925a4ddbf24db80ce66165104c4ed0 (patch) | |
| tree | a1560ddfb827d580843d2a32ba19fb0fc85490d8 /arch/powerpc | |
| parent | ps3/block: Replace mtd/ps3vram by block/ps3vram (diff) | |
| parent | powerpc/mm: Respect _PAGE_COHERENT on classic ppc32 SW (diff) | |
| download | linux-dev-c71327ad9f925a4ddbf24db80ce66165104c4ed0.tar.xz linux-dev-c71327ad9f925a4ddbf24db80ce66165104c4ed0.zip | |
Merge commit 'gcl/merge' into merge
Diffstat (limited to 'arch/powerpc')
| -rw-r--r-- | arch/powerpc/include/asm/cputable.h | 4 | ||||
| -rw-r--r-- | arch/powerpc/kernel/head_32.S | 6 |
2 files changed, 6 insertions, 4 deletions
diff --git a/arch/powerpc/include/asm/cputable.h b/arch/powerpc/include/asm/cputable.h index 4911104791c3..21172badd708 100644 --- a/arch/powerpc/include/asm/cputable.h +++ b/arch/powerpc/include/asm/cputable.h @@ -241,9 +241,11 @@ extern const char *powerpc_base_platform; /* We need to mark all pages as being coherent if we're SMP or we have a * 74[45]x and an MPC107 host bridge. Also 83xx and PowerQUICC II * require it for PCI "streaming/prefetch" to work properly. + * This is also required by 52xx family. */ #if defined(CONFIG_SMP) || defined(CONFIG_MPC10X_BRIDGE) \ - || defined(CONFIG_PPC_83xx) || defined(CONFIG_8260) + || defined(CONFIG_PPC_83xx) || defined(CONFIG_8260) \ + || defined(CONFIG_PPC_MPC52xx) #define CPU_FTR_COMMON CPU_FTR_NEED_COHERENT #else #define CPU_FTR_COMMON 0 diff --git a/arch/powerpc/kernel/head_32.S b/arch/powerpc/kernel/head_32.S index a1c4cfd25ded..7db2e42d97a2 100644 --- a/arch/powerpc/kernel/head_32.S +++ b/arch/powerpc/kernel/head_32.S @@ -511,7 +511,7 @@ InstructionTLBMiss: and r1,r1,r2 /* writable if _RW and _DIRTY */ rlwimi r3,r3,32-1,30,30 /* _PAGE_USER -> PP msb */ rlwimi r3,r3,32-1,31,31 /* _PAGE_USER -> PP lsb */ - ori r1,r1,0xe14 /* clear out reserved bits and M */ + ori r1,r1,0xe04 /* clear out reserved bits */ andc r1,r3,r1 /* PP = user? (rw&dirty? 2: 3): 0 */ mtspr SPRN_RPA,r1 mfspr r3,SPRN_IMISS @@ -585,7 +585,7 @@ DataLoadTLBMiss: and r1,r1,r2 /* writable if _RW and _DIRTY */ rlwimi r3,r3,32-1,30,30 /* _PAGE_USER -> PP msb */ rlwimi r3,r3,32-1,31,31 /* _PAGE_USER -> PP lsb */ - ori r1,r1,0xe14 /* clear out reserved bits and M */ + ori r1,r1,0xe04 /* clear out reserved bits */ andc r1,r3,r1 /* PP = user? (rw&dirty? 2: 3): 0 */ mtspr SPRN_RPA,r1 mfspr r3,SPRN_DMISS @@ -653,7 +653,7 @@ DataStoreTLBMiss: stw r3,0(r2) /* update PTE (accessed/dirty bits) */ /* Convert linux-style PTE to low word of PPC-style PTE */ rlwimi r3,r3,32-1,30,30 /* _PAGE_USER -> PP msb */ - li r1,0xe15 /* clear out reserved bits and M */ + li r1,0xe05 /* clear out reserved bits & PP lsb */ andc r1,r3,r1 /* PP = user? 2: 0 */ mtspr SPRN_RPA,r1 mfspr r3,SPRN_DMISS |