diff options
Diffstat (limited to 'arch/sparc64/mm/init.c')
| -rw-r--r-- | arch/sparc64/mm/init.c | 26 |
1 files changed, 20 insertions, 6 deletions
diff --git a/arch/sparc64/mm/init.c b/arch/sparc64/mm/init.c index 5db50524f20d..4e2f71e0abc8 100644 --- a/arch/sparc64/mm/init.c +++ b/arch/sparc64/mm/init.c @@ -133,6 +133,12 @@ extern unsigned int sparc_ramdisk_size; struct page *mem_map_zero __read_mostly; +unsigned int sparc64_highest_unlocked_tlb_ent __read_mostly; + +unsigned long sparc64_kern_pri_context __read_mostly; +unsigned long sparc64_kern_pri_nuc_bits __read_mostly; +unsigned long sparc64_kern_sec_context __read_mostly; + int bigkernel = 0; /* XXX Tune this... */ @@ -582,13 +588,21 @@ static void __init remap_kernel(void) prom_dtlb_load(tlb_ent, tte_data, tte_vaddr); prom_itlb_load(tlb_ent, tte_data, tte_vaddr); if (bigkernel) { - prom_dtlb_load(tlb_ent - 1, + tlb_ent -= 1; + prom_dtlb_load(tlb_ent, tte_data + 0x400000, tte_vaddr + 0x400000); - prom_itlb_load(tlb_ent - 1, + prom_itlb_load(tlb_ent, tte_data + 0x400000, tte_vaddr + 0x400000); } + sparc64_highest_unlocked_tlb_ent = tlb_ent - 1; + if (tlb_type == cheetah_plus) { + sparc64_kern_pri_context = (CTX_CHEETAH_PLUS_CTX0 | + CTX_CHEETAH_PLUS_NUC); + sparc64_kern_pri_nuc_bits = CTX_CHEETAH_PLUS_NUC; + sparc64_kern_sec_context = CTX_CHEETAH_PLUS_CTX0; + } } static void __init inherit_prom_mappings(void) @@ -788,8 +802,8 @@ void inherit_locked_prom_mappings(int save_p) } } if (tlb_type == spitfire) { - int high = SPITFIRE_HIGHEST_LOCKED_TLBENT - bigkernel; - for (i = 0; i < high; i++) { + int high = sparc64_highest_unlocked_tlb_ent; + for (i = 0; i <= high; i++) { unsigned long data; /* Spitfire Errata #32 workaround */ @@ -877,9 +891,9 @@ void inherit_locked_prom_mappings(int save_p) } } } else if (tlb_type == cheetah || tlb_type == cheetah_plus) { - int high = CHEETAH_HIGHEST_LOCKED_TLBENT - bigkernel; + int high = sparc64_highest_unlocked_tlb_ent; - for (i = 0; i < high; i++) { + for (i = 0; i <= high; i++) { unsigned long data; data = cheetah_get_ldtlb_data(i); |