diff options
Diffstat (limited to 'arch/powerpc/mm/pgtable-radix.c')
| -rw-r--r-- | arch/powerpc/mm/pgtable-radix.c | 31 |
1 files changed, 19 insertions, 12 deletions
diff --git a/arch/powerpc/mm/pgtable-radix.c b/arch/powerpc/mm/pgtable-radix.c index c939e6e57a9e..003ff48a11b6 100644 --- a/arch/powerpc/mm/pgtable-radix.c +++ b/arch/powerpc/mm/pgtable-radix.c @@ -21,8 +21,11 @@ #include <trace/events/thp.h> -static int native_update_partition_table(u64 patb1) +static int native_register_process_table(unsigned long base, unsigned long pg_sz, + unsigned long table_size) { + unsigned long patb1 = base | table_size | PATB_GR; + partition_tb->patb1 = cpu_to_be64(patb1); return 0; } @@ -160,32 +163,30 @@ redo: process_tb = early_alloc_pgtable(1UL << PRTB_SIZE_SHIFT); /* * Fill in the process table. - * we support 52 bits, hence 52-28 = 24, 11000 */ - rts_field = 3ull << PPC_BITLSHIFT(2); + rts_field = radix__get_tree_size(); process_tb->prtb0 = cpu_to_be64(rts_field | __pa(init_mm.pgd) | RADIX_PGD_INDEX_SIZE); /* * Fill in the partition table. We are suppose to use effective address * of process table here. But our linear mapping also enable us to use * physical address here. */ - ppc_md.update_partition_table(__pa(process_tb) | (PRTB_SIZE_SHIFT - 12) | PATB_GR); + ppc_md.register_process_table(__pa(process_tb), 0, PRTB_SIZE_SHIFT - 12); pr_info("Process table %p and radix root for kernel: %p\n", process_tb, init_mm.pgd); } static void __init radix_init_partition_table(void) { unsigned long rts_field; - /* - * we support 52 bits, hence 52-28 = 24, 11000 - */ - rts_field = 3ull << PPC_BITLSHIFT(2); + + rts_field = radix__get_tree_size(); BUILD_BUG_ON_MSG((PATB_SIZE_SHIFT > 24), "Partition table size too large."); partition_tb = early_alloc_pgtable(1UL << PATB_SIZE_SHIFT); partition_tb->patb0 = cpu_to_be64(rts_field | __pa(init_mm.pgd) | RADIX_PGD_INDEX_SIZE | PATB_HR); - printk("Partition table %p\n", partition_tb); + pr_info("Initializing Radix MMU\n"); + pr_info("Partition table %p\n", partition_tb); memblock_set_current_limit(MEMBLOCK_ALLOC_ANYWHERE); /* @@ -197,7 +198,7 @@ static void __init radix_init_partition_table(void) void __init radix_init_native(void) { - ppc_md.update_partition_table = native_update_partition_table; + ppc_md.register_process_table = native_register_process_table; } static int __init get_idx_from_shift(unsigned int shift) @@ -331,6 +332,11 @@ void __init radix__early_init_mmu(void) __vmalloc_end = RADIX_VMALLOC_END; vmemmap = (struct page *)RADIX_VMEMMAP_BASE; ioremap_bot = IOREMAP_BASE; + +#ifdef CONFIG_PCI + pci_io_base = ISA_IO_BASE; +#endif + /* * For now radix also use the same frag size */ @@ -339,8 +345,9 @@ void __init radix__early_init_mmu(void) radix_init_page_sizes(); if (!firmware_has_feature(FW_FEATURE_LPAR)) { + radix_init_native(); lpcr = mfspr(SPRN_LPCR); - mtspr(SPRN_LPCR, lpcr | LPCR_UPRT); + mtspr(SPRN_LPCR, lpcr | LPCR_UPRT | LPCR_HR); radix_init_partition_table(); } @@ -355,7 +362,7 @@ void radix__early_init_mmu_secondary(void) */ if (!firmware_has_feature(FW_FEATURE_LPAR)) { lpcr = mfspr(SPRN_LPCR); - mtspr(SPRN_LPCR, lpcr | LPCR_UPRT); + mtspr(SPRN_LPCR, lpcr | LPCR_UPRT | LPCR_HR); mtspr(SPRN_PTCR, __pa(partition_tb) | (PATB_SIZE_SHIFT - 12)); |