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powerpc: Free up some CPU feature bits by moving out MMU-related features

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Some of the 64bit PPC CPU features are MMU-related, so this patch moves
them to MMU_FTR_ bits.  All cpu_has_feature()-style tests are moved to
mmu_has_feature(), and seven feature bits are freed as a result.

Signed-off-by: Matt Evans <matt@ozlabs.org>
Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
This commit is contained in:
Matt Evans
2011-04-06 19:48:50 +00:00
committed by Benjamin Herrenschmidt
parent eca590f402
commit 44ae3ab335
20 changed files with 132 additions and 96 deletions
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45
arch/powerpc/kernel/cputable.c
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@ -201,7 +201,7 @@ 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,
.mmu_features = MMU_FTRS_POWER4,
.icache_bsize = 128,
.dcache_bsize = 128,
.num_pmcs = 8,
@ -216,7 +216,7 @@ 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,
.mmu_features = MMU_FTRS_POWER4,
.icache_bsize = 128,
.dcache_bsize = 128,
.num_pmcs = 8,
@ -232,7 +232,7 @@ 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,
.mmu_features = MMU_FTRS_PPC970,
.icache_bsize = 128,
.dcache_bsize = 128,
.num_pmcs = 8,
@ -250,7 +250,7 @@ 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,
.mmu_features = MMU_FTRS_PPC970,
.icache_bsize = 128,
.dcache_bsize = 128,
.num_pmcs = 8,
@ -286,7 +286,7 @@ 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,
.mmu_features = MMU_FTRS_PPC970,
.icache_bsize = 128,
.dcache_bsize = 128,
.num_pmcs = 8,
@ -304,7 +304,7 @@ 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,
.mmu_features = MMU_FTRS_PPC970,
.icache_bsize = 128,
.dcache_bsize = 128,
.num_pmcs = 8,
@ -320,7 +320,7 @@ 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,
.mmu_features = MMU_FTRS_POWER5,
.icache_bsize = 128,
.dcache_bsize = 128,
.num_pmcs = 6,
@ -340,7 +340,7 @@ 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,
.mmu_features = MMU_FTRS_POWER5,
.icache_bsize = 128,
.dcache_bsize = 128,
.num_pmcs = 6,
@ -356,7 +356,7 @@ 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,
.mmu_features = MMU_FTRS_POWER5,
.icache_bsize = 128,
.dcache_bsize = 128,
.num_pmcs = 6,
@ -373,7 +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,
.mmu_features = MMU_FTRS_POWER5,
.icache_bsize = 128,
.dcache_bsize = 128,
.oprofile_cpu_type = "ppc64/ibm-compat-v1",
@ -387,7 +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,
.mmu_features = MMU_FTRS_POWER6,
.icache_bsize = 128,
.dcache_bsize = 128,
.num_pmcs = 6,
@ -406,7 +406,7 @@ 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,
.mmu_features = MMU_FTRS_POWER6,
.icache_bsize = 128,
.dcache_bsize = 128,
.oprofile_cpu_type = "ppc64/ibm-compat-v1",
@ -419,8 +419,7 @@ 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 |
MMU_FTR_TLBIE_206,
.mmu_features = MMU_FTRS_POWER7,
.icache_bsize = 128,
.dcache_bsize = 128,
.oprofile_type = PPC_OPROFILE_POWER4,
@ -435,8 +434,7 @@ 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 |
MMU_FTR_TLBIE_206,
.mmu_features = MMU_FTRS_POWER7,
.icache_bsize = 128,
.dcache_bsize = 128,
.num_pmcs = 6,
@ -453,8 +451,7 @@ 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 |
MMU_FTR_TLBIE_206,
.mmu_features = MMU_FTRS_POWER7,
.icache_bsize = 128,
.dcache_bsize = 128,
.num_pmcs = 6,
@ -473,7 +470,7 @@ 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,
.mmu_features = MMU_FTRS_CELL,
.icache_bsize = 128,
.dcache_bsize = 128,
.num_pmcs = 4,
@ -488,7 +485,7 @@ 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,
.mmu_features = MMU_FTRS_PA6T,
.icache_bsize = 64,
.dcache_bsize = 64,
.num_pmcs = 6,
@ -505,7 +502,7 @@ 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,
.mmu_features = MMU_FTRS_DEFAULT_HPTE_ARCH_V2,
.icache_bsize = 128,
.dcache_bsize = 128,
.num_pmcs = 6,
@ -2020,11 +2017,7 @@ static struct cpu_spec __initdata cpu_specs[] = {
.cpu_name = "A2 (>= DD2)",
.cpu_features = CPU_FTRS_A2,
.cpu_user_features = COMMON_USER_PPC64,
.mmu_features = MMU_FTR_TYPE_3E | MMU_FTR_USE_TLBILX |
MMU_FTR_USE_TLBIVAX_BCAST |
MMU_FTR_LOCK_BCAST_INVAL |
MMU_FTR_USE_TLBRSRV |
MMU_FTR_USE_PAIRED_MAS,
.mmu_features = MMU_FTRS_A2,
.icache_bsize = 64,
.dcache_bsize = 64,
.num_pmcs = 0,