diff options
Diffstat (limited to 'arch/sparc/mm')
| -rw-r--r-- | arch/sparc/mm/srmmu.c | 53 |
1 files changed, 52 insertions, 1 deletions
diff --git a/arch/sparc/mm/srmmu.c b/arch/sparc/mm/srmmu.c index ade4eb373bdd..509b1ffeba66 100644 --- a/arch/sparc/mm/srmmu.c +++ b/arch/sparc/mm/srmmu.c @@ -46,6 +46,7 @@ #include <asm/tsunami.h> #include <asm/swift.h> #include <asm/turbosparc.h> +#include <asm/leon.h> #include <asm/btfixup.h> @@ -569,6 +570,9 @@ static void srmmu_switch_mm(struct mm_struct *old_mm, struct mm_struct *mm, srmmu_ctxd_set(&srmmu_context_table[mm->context], mm->pgd); } + if (sparc_cpu_model == sparc_leon) + leon_switch_mm(); + if (is_hypersparc) hyper_flush_whole_icache(); @@ -1977,6 +1981,45 @@ static void __init init_viking(void) poke_srmmu = poke_viking; } +#ifdef CONFIG_SPARC_LEON + +void __init poke_leonsparc(void) +{ +} + +void __init init_leon(void) +{ + + srmmu_name = "Leon"; + + BTFIXUPSET_CALL(flush_cache_all, leon_flush_cache_all, + BTFIXUPCALL_NORM); + BTFIXUPSET_CALL(flush_cache_mm, leon_flush_cache_all, + BTFIXUPCALL_NORM); + BTFIXUPSET_CALL(flush_cache_page, leon_flush_pcache_all, + BTFIXUPCALL_NORM); + BTFIXUPSET_CALL(flush_cache_range, leon_flush_cache_all, + BTFIXUPCALL_NORM); + BTFIXUPSET_CALL(flush_page_for_dma, leon_flush_dcache_all, + BTFIXUPCALL_NORM); + + BTFIXUPSET_CALL(flush_tlb_all, leon_flush_tlb_all, BTFIXUPCALL_NORM); + BTFIXUPSET_CALL(flush_tlb_mm, leon_flush_tlb_all, BTFIXUPCALL_NORM); + BTFIXUPSET_CALL(flush_tlb_page, leon_flush_tlb_all, BTFIXUPCALL_NORM); + BTFIXUPSET_CALL(flush_tlb_range, leon_flush_tlb_all, BTFIXUPCALL_NORM); + + BTFIXUPSET_CALL(__flush_page_to_ram, leon_flush_cache_all, + BTFIXUPCALL_NOP); + BTFIXUPSET_CALL(flush_sig_insns, leon_flush_cache_all, BTFIXUPCALL_NOP); + + poke_srmmu = poke_leonsparc; + + srmmu_cache_pagetables = 0; + + leon_flush_during_switch = leon_flush_needed(); +} +#endif + /* Probe for the srmmu chip version. */ static void __init get_srmmu_type(void) { @@ -1992,7 +2035,15 @@ static void __init get_srmmu_type(void) psr_typ = (psr >> 28) & 0xf; psr_vers = (psr >> 24) & 0xf; - /* First, check for HyperSparc or Cypress. */ + /* First, check for sparc-leon. */ + if (sparc_cpu_model == sparc_leon) { + psr_typ = 0xf; /* hardcoded ids for older models/simulators */ + psr_vers = 2; + init_leon(); + return; + } + + /* Second, check for HyperSparc or Cypress. */ if(mod_typ == 1) { switch(mod_rev) { case 7: |