From b5dcc6096971b7c11b443b79ae8b69ccb01ec04e Mon Sep 17 00:00:00 2001 From: "Aneesh Kumar K.V" Date: Fri, 29 Apr 2016 23:26:12 +1000 Subject: [PATCH] powerpc/mm/radix: Update PTCR on secondary CPUs Signed-off-by: Aneesh Kumar K.V Signed-off-by: Michael Ellerman --- arch/powerpc/mm/hash_utils_64.c | 10 +++++++--- 1 file changed, 7 insertions(+), 3 deletions(-) diff --git a/arch/powerpc/mm/hash_utils_64.c b/arch/powerpc/mm/hash_utils_64.c index e6b53cd..faaadef 100644 --- a/arch/powerpc/mm/hash_utils_64.c +++ b/arch/powerpc/mm/hash_utils_64.c @@ -896,9 +896,13 @@ void __init hash__early_init_mmu(void) void hash__early_init_mmu_secondary(void) { /* Initialize hash table for that CPU */ - if (!firmware_has_feature(FW_FEATURE_LPAR)) - mtspr(SPRN_SDR1, _SDR1); - + if (!firmware_has_feature(FW_FEATURE_LPAR)) { + if (!cpu_has_feature(CPU_FTR_ARCH_300)) + mtspr(SPRN_SDR1, _SDR1); + else + mtspr(SPRN_PTCR, + __pa(partition_tb) | (PATB_SIZE_SHIFT - 12)); + } /* Initialize SLB */ slb_initialize(); } -- 2.7.4