summaryrefslogtreecommitdiff
path: root/arch/powerpc/kernel
diff options
context:
space:
mode:
authorNicholas Piggin <npiggin@gmail.com>2017-11-03 15:13:19 +1100
committerMichael Ellerman <mpe@ellerman.id.au>2017-11-06 22:46:13 +1100
commitb6b3755e9bec9c686a34ec81eacced0075370cbc (patch)
tree89c140452528f41c374dc1f17f64af70e2906fe2 /arch/powerpc/kernel
parent6f700d38a8c9dc4d786ac4a831073194f17c5076 (diff)
downloadlinux-rt-b6b3755e9bec9c686a34ec81eacced0075370cbc.tar.gz
powerpc: add POWER9_DD20 feature
Cc: Michael Neuling <mikey@neuling.org> Signed-off-by: Nicholas Piggin <npiggin@gmail.com> Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
Diffstat (limited to 'arch/powerpc/kernel')
-rw-r--r--arch/powerpc/kernel/cputable.c20
-rw-r--r--arch/powerpc/kernel/dt_cpu_ftrs.c2
2 files changed, 22 insertions, 0 deletions
diff --git a/arch/powerpc/kernel/cputable.c b/arch/powerpc/kernel/cputable.c
index 760872916013..171820190de7 100644
--- a/arch/powerpc/kernel/cputable.c
+++ b/arch/powerpc/kernel/cputable.c
@@ -547,6 +547,26 @@ static struct cpu_spec __initdata cpu_specs[] = {
.machine_check_early = __machine_check_early_realmode_p9,
.platform = "power9",
},
+ { /* Power9 DD2.0 */
+ .pvr_mask = 0xffffefff,
+ .pvr_value = 0x004e0200,
+ .cpu_name = "POWER9 (raw)",
+ .cpu_features = CPU_FTRS_POWER9_DD20,
+ .cpu_user_features = COMMON_USER_POWER9,
+ .cpu_user_features2 = COMMON_USER2_POWER9,
+ .mmu_features = MMU_FTRS_POWER9,
+ .icache_bsize = 128,
+ .dcache_bsize = 128,
+ .num_pmcs = 6,
+ .pmc_type = PPC_PMC_IBM,
+ .oprofile_cpu_type = "ppc64/power9",
+ .oprofile_type = PPC_OPROFILE_INVALID,
+ .cpu_setup = __setup_cpu_power9,
+ .cpu_restore = __restore_cpu_power9,
+ .flush_tlb = __flush_tlb_power9,
+ .machine_check_early = __machine_check_early_realmode_p9,
+ .platform = "power9",
+ },
{ /* Power9 */
.pvr_mask = 0xffff0000,
.pvr_value = 0x004e0000,
diff --git a/arch/powerpc/kernel/dt_cpu_ftrs.c b/arch/powerpc/kernel/dt_cpu_ftrs.c
index c7bfcacc2cb6..a7ad181d0deb 100644
--- a/arch/powerpc/kernel/dt_cpu_ftrs.c
+++ b/arch/powerpc/kernel/dt_cpu_ftrs.c
@@ -735,6 +735,8 @@ static __init void cpufeatures_cpu_quirks(void)
*/
if ((version & 0xffffff00) == 0x004e0100)
cur_cpu_spec->cpu_features |= CPU_FTR_POWER9_DD1;
+ else if ((version & 0xffffefff) == 0x004e0200)
+ cur_cpu_spec->cpu_features |= CPU_FTR_POWER9_DD20;
}
static void __init cpufeatures_setup_finished(void)