diff options
author | David Barksdale <amatus@amatus.name> | 2014-08-13 16:14:13 -0500 |
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committer | David Barksdale <amatus@amatus.name> | 2014-08-13 16:14:13 -0500 |
commit | ace6c6d243016e272050787c14e27a83ecd94a25 (patch) | |
tree | c837edb1ca98b2552fbc7edba47aeb63f98ca1f0 /arch/powerpc/kernel | |
parent | 1b6e1688bd215cd7c9cb75650fa815a1ec6567e1 (diff) |
gpl-source-mybooklive-010002-update.zipgpl-source-mybooklive-010103-update.zipgpl-source-mybooklive-010002-update.zip
Diffstat (limited to 'arch/powerpc/kernel')
-rw-r--r-- | arch/powerpc/kernel/cpu_setup_44x.S | 1 | ||||
-rw-r--r-- | arch/powerpc/kernel/cputable.c | 96 | ||||
-rw-r--r-- | arch/powerpc/kernel/time.c | 10 |
3 files changed, 91 insertions, 16 deletions
diff --git a/arch/powerpc/kernel/cpu_setup_44x.S b/arch/powerpc/kernel/cpu_setup_44x.S index 7d606f89a83..0f1f70a49f2 100644 --- a/arch/powerpc/kernel/cpu_setup_44x.S +++ b/arch/powerpc/kernel/cpu_setup_44x.S @@ -35,6 +35,7 @@ _GLOBAL(__setup_cpu_440grx) _GLOBAL(__setup_cpu_460ex) _GLOBAL(__setup_cpu_460gt) _GLOBAL(__setup_cpu_460sx) +_GLOBAL(__setup_cpu_apm82181) mflr r4 bl __init_fpu_44x bl __fixup_440A_mcheck diff --git a/arch/powerpc/kernel/cputable.c b/arch/powerpc/kernel/cputable.c index 03c862b6a9c..249195ac7e6 100644 --- a/arch/powerpc/kernel/cputable.c +++ b/arch/powerpc/kernel/cputable.c @@ -48,6 +48,7 @@ extern void __setup_cpu_440x5(unsigned long offset, struct cpu_spec* spec); extern void __setup_cpu_460ex(unsigned long offset, struct cpu_spec* spec); extern void __setup_cpu_460gt(unsigned long offset, struct cpu_spec* spec); extern void __setup_cpu_460sx(unsigned long offset, struct cpu_spec *spec); +extern void __setup_cpu_apm82181(unsigned long offset, struct cpu_spec *spec); extern void __setup_cpu_603(unsigned long offset, struct cpu_spec* spec); extern void __setup_cpu_604(unsigned long offset, struct cpu_spec* spec); extern void __setup_cpu_750(unsigned long offset, struct cpu_spec* spec); @@ -1636,10 +1637,10 @@ static struct cpu_spec __initdata cpu_specs[] = { .machine_check = machine_check_440A, .platform = "ppc440", }, - { /* 460EX */ - .pvr_mask = 0xffff0006, - .pvr_value = 0x13020002, - .cpu_name = "460EX", + { /* 460EX rev B */ + .pvr_mask = 0xffff0007, + .pvr_value = 0x13020004, + .cpu_name = "460EX Rev. B", .cpu_features = CPU_FTRS_440x6, .cpu_user_features = COMMON_USER_BOOKE | PPC_FEATURE_HAS_FPU, .mmu_features = MMU_FTR_TYPE_44x, @@ -1649,10 +1650,23 @@ static struct cpu_spec __initdata cpu_specs[] = { .machine_check = machine_check_440A, .platform = "ppc440", }, - { /* 460EX Rev B */ + { /* 460GT Rev B */ .pvr_mask = 0xffff0007, - .pvr_value = 0x13020004, - .cpu_name = "460EX Rev. B", + .pvr_value = 0x13020005, + .cpu_name = "460GT Rev. B", + .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, + .machine_check = machine_check_440A, + .platform = "ppc440", + }, + { /* 431EX */ + .pvr_mask = 0xffff000f, + .pvr_value = 0x13020006, + .cpu_name = "431EX", .cpu_features = CPU_FTRS_440x6, .cpu_user_features = COMMON_USER_BOOKE | PPC_FEATURE_HAS_FPU, .mmu_features = MMU_FTR_TYPE_44x, @@ -1662,23 +1676,62 @@ static struct cpu_spec __initdata cpu_specs[] = { .machine_check = machine_check_440A, .platform = "ppc440", }, - { /* 460GT */ + { /* 460EXR rev B */ + .pvr_mask = 0xffff000a, + .pvr_value = 0x13020008, + .cpu_name = "460EXr Rev. B", + .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, + .machine_check = machine_check_440A, + .platform = "ppc440", + }, + { /* 431EXR */ + .pvr_mask = 0xffff000b, + .pvr_value = 0x1302000A, + .cpu_name = "431EXr", + .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, + .machine_check = machine_check_440A, + .platform = "ppc440", + }, + { /* AM81281 */ + .pvr_mask = 0xffff000b, + .pvr_value = 0x1302000B, + .cpu_name = "AM81281", + .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, + .machine_check = machine_check_440A, + .platform = "ppc440", + }, + { /* 460EX */ .pvr_mask = 0xffff0006, - .pvr_value = 0x13020000, - .cpu_name = "460GT", + .pvr_value = 0x13020002, + .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_460gt, + .cpu_setup = __setup_cpu_460ex, .machine_check = machine_check_440A, .platform = "ppc440", }, - { /* 460GT Rev B */ - .pvr_mask = 0xffff0007, - .pvr_value = 0x13020005, - .cpu_name = "460GT Rev. B", + { /* 460GT */ + .pvr_mask = 0xffff0006, + .pvr_value = 0x13020000, + .cpu_name = "460GT", .cpu_features = CPU_FTRS_440x6, .cpu_user_features = COMMON_USER_BOOKE | PPC_FEATURE_HAS_FPU, .mmu_features = MMU_FTR_TYPE_44x, @@ -1701,6 +1754,19 @@ static struct cpu_spec __initdata cpu_specs[] = { .machine_check = machine_check_440A, .platform = "ppc440", }, + { /* APM82181 */ + .pvr_mask = 0xfffffff0, + .pvr_value = 0x12C41C80, + .cpu_name = "APM82181", + .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_apm82181, + .machine_check = machine_check_440A, + .platform = "ppc440", + }, { /* default match */ .pvr_mask = 0x00000000, .pvr_value = 0x00000000, diff --git a/arch/powerpc/kernel/time.c b/arch/powerpc/kernel/time.c index a136a11c490..02514463ced 100644 --- a/arch/powerpc/kernel/time.c +++ b/arch/powerpc/kernel/time.c @@ -895,12 +895,20 @@ static void decrementer_set_mode(enum clock_event_mode mode, decrementer_set_next_event(DECREMENTER_MAX, dev); } +static inline uint64_t div_sc64(unsigned long ticks, unsigned long nsec, + int shift) +{ + uint64_t tmp = ((uint64_t)ticks) << shift; + + do_div(tmp, nsec); + return tmp; +} + static void __init setup_clockevent_multiplier(unsigned long hz) { u64 mult, shift = 32; while (1) { - mult = div_sc(hz, NSEC_PER_SEC, shift); + mult = div_sc64(hz, NSEC_PER_SEC, shift); if (mult && (mult >> 32UL) == 0UL) break; |