| Message ID | 20200519003157.31946-4-alistair@popple.id.au (mailing list archive) |
|---|---|
| State | Superseded |
| Headers | show |
| Series | Base support for POWER10 | expand |
| Context | Check | Description |
|---|---|---|
| snowpatch_ozlabs/apply_patch | success | Successfully applied on branch powerpc/merge (7b06fb8795ffea9d12be45a172197c3307955479) |
| snowpatch_ozlabs/checkpatch | success | total: 0 errors, 0 warnings, 0 checks, 18 lines checked |
| snowpatch_ozlabs/needsstable | success | Patch has no Fixes tags |
diff --git a/arch/powerpc/kernel/dt_cpu_ftrs.c b/arch/powerpc/kernel/dt_cpu_ftrs.c index 36bc0d5c4f3a..b5e21264d168 100644 --- a/arch/powerpc/kernel/dt_cpu_ftrs.c +++ b/arch/powerpc/kernel/dt_cpu_ftrs.c @@ -26,6 +26,7 @@ /* Device-tree visible constants follow */ #define ISA_V2_07B 2070 #define ISA_V3_0B 3000 +#define ISA_V3_1 3100 #define USABLE_PR (1U << 0) #define USABLE_OS (1U << 1) @@ -654,6 +655,11 @@ static void __init cpufeatures_setup_start(u32 isa) cur_cpu_spec->cpu_features |= CPU_FTR_ARCH_300; cur_cpu_spec->cpu_user_features2 |= PPC_FEATURE2_ARCH_3_00; } + + if (isa >= 3100) { + cur_cpu_spec->cpu_features |= CPU_FTR_ARCH_31; + cur_cpu_spec->cpu_user_features2 |= PPC_FEATURE2_ARCH_3_1; + } } static bool __init cpufeatures_process_feature(struct dt_cpu_feature *f)
On powernv hardware support for ISAv3.1 is advertised via a cpu feature bit in the device tree. This patch enables the associated HWCAP bit if the device tree indicates ISAv3.1 is available. Signed-off-by: Alistair Popple <alistair@popple.id.au> --- arch/powerpc/kernel/dt_cpu_ftrs.c | 6 ++++++ 1 file changed, 6 insertions(+)