diff options
Diffstat (limited to 'arch/mips64/mm')
| -rw-r--r-- | arch/mips64/mm/andes.c | 22 | ||||
| -rw-r--r-- | arch/mips64/mm/loadmmu.c | 6 | ||||
| -rw-r--r-- | arch/mips64/mm/r4xx0.c | 6 |
3 files changed, 33 insertions, 1 deletions
diff --git a/arch/mips64/mm/andes.c b/arch/mips64/mm/andes.c index 885443032..fa140bf94 100644 --- a/arch/mips64/mm/andes.c +++ b/arch/mips64/mm/andes.c @@ -6,6 +6,7 @@ * * Copyright (C) 1997, 1998, 1999 Ralf Baechle (ralf@gnu.org) * Copyright (C) 1999 Silicon Graphics, Inc. + * Copyright (C) 2000 Kanoj Sarcar (kanoj@sgi.com) */ #include <linux/init.h> #include <linux/kernel.h> @@ -88,6 +89,26 @@ andes_flush_cache_all(void) blast_dcache32(); blast_icache64(); } +/* + * This is only used during initialization time. vmalloc() also calls + * this, but that will be changed pretty soon. + */ +static void +andes_flush_cache_l2(void) +{ + switch (sc_lsize()) { + case 64: + blast_scache64(); + break; + case 128: + blast_scache128(); + break; + default: + printk("Unknown L2 line size\n"); + while(1); + } +} + static void andes_flush_cache_mm(struct mm_struct *mm) { @@ -441,6 +462,7 @@ void __init ld_mmu_andes(void) _copy_page = andes_copy_page; _flush_cache_all = andes_flush_cache_all; + _flush_cache_l2 = andes_flush_cache_l2; _flush_cache_mm = andes_flush_cache_mm; _flush_cache_range = andes_flush_cache_range; _flush_cache_page = andes_flush_cache_page; diff --git a/arch/mips64/mm/loadmmu.c b/arch/mips64/mm/loadmmu.c index 69f661c0b..b8d04273d 100644 --- a/arch/mips64/mm/loadmmu.c +++ b/arch/mips64/mm/loadmmu.c @@ -30,9 +30,13 @@ void (*_flush_cache_mm)(struct mm_struct *mm); void (*_flush_cache_range)(struct mm_struct *mm, unsigned long start, unsigned long end); void (*_flush_cache_page)(struct vm_area_struct *vma, unsigned long page); -void (*_flush_cache_sigtramp)(unsigned long addr); void (*_flush_page_to_ram)(struct page * page); +/* MIPS specific cache operations */ +void (*_flush_cache_sigtramp)(unsigned long addr); +void (*_flush_cache_l2)(void); + + /* DMA cache operations. */ void (*_dma_cache_wback_inv)(unsigned long start, unsigned long size); void (*_dma_cache_wback)(unsigned long start, unsigned long size); diff --git a/arch/mips64/mm/r4xx0.c b/arch/mips64/mm/r4xx0.c index 2b3ca03a4..84078b824 100644 --- a/arch/mips64/mm/r4xx0.c +++ b/arch/mips64/mm/r4xx0.c @@ -2146,6 +2146,11 @@ static void r4k_flush_tlb_page(struct vm_area_struct *vma, unsigned long page) } } +static void +r4k_flush_cache_l2(void) +{ +} + #ifdef DEBUG_TLBUPDATE static unsigned long ehi_debug[NTLB_ENTRIES]; static unsigned long el0_debug[NTLB_ENTRIES]; @@ -2538,6 +2543,7 @@ void __init ld_mmu_r4xx0(void) _flush_tlb_mm = r4k_flush_tlb_mm; _flush_tlb_range = r4k_flush_tlb_range; _flush_tlb_page = r4k_flush_tlb_page; + _flush_cache_l2 = r4k_flush_cache_l2; update_mmu_cache = r4k_update_mmu_cache; |