diff options
Diffstat (limited to 'arch/powerpc')
| -rw-r--r-- | arch/powerpc/mm/pgtable-radix.c | 23 |
1 files changed, 10 insertions, 13 deletions
diff --git a/arch/powerpc/mm/pgtable-radix.c b/arch/powerpc/mm/pgtable-radix.c index 18b2c11604fa..c939e6e57a9e 100644 --- a/arch/powerpc/mm/pgtable-radix.c +++ b/arch/powerpc/mm/pgtable-radix.c @@ -296,11 +296,6 @@ found: void __init radix__early_init_mmu(void) { unsigned long lpcr; - /* - * setup LPCR UPRT based on mmu_features - */ - lpcr = mfspr(SPRN_LPCR); - mtspr(SPRN_LPCR, lpcr | LPCR_UPRT); #ifdef CONFIG_PPC_64K_PAGES /* PAGE_SIZE mappings */ @@ -343,8 +338,11 @@ void __init radix__early_init_mmu(void) __pte_frag_size_shift = H_PTE_FRAG_SIZE_SHIFT; radix_init_page_sizes(); - if (!firmware_has_feature(FW_FEATURE_LPAR)) + if (!firmware_has_feature(FW_FEATURE_LPAR)) { + lpcr = mfspr(SPRN_LPCR); + mtspr(SPRN_LPCR, lpcr | LPCR_UPRT); radix_init_partition_table(); + } radix_init_pgtable(); } @@ -353,16 +351,15 @@ void radix__early_init_mmu_secondary(void) { unsigned long lpcr; /* - * setup LPCR UPRT based on mmu_features + * update partition table control register and UPRT */ - lpcr = mfspr(SPRN_LPCR); - mtspr(SPRN_LPCR, lpcr | LPCR_UPRT); - /* - * update partition table control register, 64 K size. - */ - if (!firmware_has_feature(FW_FEATURE_LPAR)) + if (!firmware_has_feature(FW_FEATURE_LPAR)) { + lpcr = mfspr(SPRN_LPCR); + mtspr(SPRN_LPCR, lpcr | LPCR_UPRT); + mtspr(SPRN_PTCR, __pa(partition_tb) | (PATB_SIZE_SHIFT - 12)); + } } void radix__setup_initial_memory_limit(phys_addr_t first_memblock_base, |