diff options
| author |   Nicholas Piggin <npiggin@gmail.com> | 2018-02-21 05:08:29 +1000 |
|---|---|---|
| committer |   Michael Ellerman <mpe@ellerman.id.au> | 2018-04-01 00:47:50 +1100 |
| commit | 471d7ff8b51b63521c8ea35c51966ab4caa434ee (patch) | |
| tree | 697babe0784be6808eeb49f12cba44dc937af05e /arch/powerpc/kernel/cputable.c | |
| parent | powerpc: Remove unused CPU_FTR_ARCH_201 (diff) | |
| download | linux-dev-471d7ff8b51b63521c8ea35c51966ab4caa434ee.tar.xz linux-dev-471d7ff8b51b63521c8ea35c51966ab4caa434ee.zip | |
powerpc/64s: Remove POWER4 support
POWER4 has been broken since at least the change 49d09bf2a6
("powerpc/64s: Optimise MSR handling in exception handling"), which
requires mtmsrd L=1 support. This was introduced in ISA v2.01, and
POWER4 supports ISA v2.00.
Signed-off-by: Nicholas Piggin <npiggin@gmail.com>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
Diffstat (limited to 'arch/powerpc/kernel/cputable.c')
| -rw-r--r-- | arch/powerpc/kernel/cputable.c | 36 |
1 files changed, 3 insertions, 33 deletions
diff --git a/arch/powerpc/kernel/cputable.c b/arch/powerpc/kernel/cputable.c index b3de017bcd71..c8fc9691f8c7 100644 --- a/arch/powerpc/kernel/cputable.c +++ b/arch/powerpc/kernel/cputable.c @@ -133,36 +133,6 @@ extern void __restore_cpu_e6500(void); static struct cpu_spec __initdata cpu_specs[] = { #ifdef CONFIG_PPC_BOOK3S_64 - { /* Power4 */ - .pvr_mask = 0xffff0000, - .pvr_value = 0x00350000, - .cpu_name = "POWER4 (gp)", - .cpu_features = CPU_FTRS_POWER4, - .cpu_user_features = COMMON_USER_POWER4, - .mmu_features = MMU_FTRS_POWER4 | MMU_FTR_TLBIE_CROP_VA, - .icache_bsize = 128, - .dcache_bsize = 128, - .num_pmcs = 8, - .pmc_type = PPC_PMC_IBM, - .oprofile_cpu_type = "ppc64/power4", - .oprofile_type = PPC_OPROFILE_POWER4, - .platform = "power4", - }, - { /* Power4+ */ - .pvr_mask = 0xffff0000, - .pvr_value = 0x00380000, - .cpu_name = "POWER4+ (gq)", - .cpu_features = CPU_FTRS_POWER4, - .cpu_user_features = COMMON_USER_POWER4, - .mmu_features = MMU_FTRS_POWER4 | MMU_FTR_TLBIE_CROP_VA, - .icache_bsize = 128, - .dcache_bsize = 128, - .num_pmcs = 8, - .pmc_type = PPC_PMC_IBM, - .oprofile_cpu_type = "ppc64/power4", - .oprofile_type = PPC_OPROFILE_POWER4, - .platform = "power4", - }, { /* PPC970 */ .pvr_mask = 0xffff0000, .pvr_value = 0x00390000, @@ -628,15 +598,15 @@ static struct cpu_spec __initdata cpu_specs[] = { { /* default match */ .pvr_mask = 0x00000000, .pvr_value = 0x00000000, - .cpu_name = "POWER4 (compatible)", + .cpu_name = "POWER5 (compatible)", .cpu_features = CPU_FTRS_COMPATIBLE, .cpu_user_features = COMMON_USER_PPC64, - .mmu_features = MMU_FTRS_DEFAULT_HPTE_ARCH_V2, + .mmu_features = MMU_FTRS_POWER, .icache_bsize = 128, .dcache_bsize = 128, .num_pmcs = 6, .pmc_type = PPC_PMC_IBM, - .platform = "power4", + .platform = "power5", } #endif /* CONFIG_PPC_BOOK3S_64 */ |