diff options
Diffstat (limited to 'arch/sparc/mm/sun4c.c')
| -rw-r--r-- | arch/sparc/mm/sun4c.c | 20 |
1 files changed, 15 insertions, 5 deletions
diff --git a/arch/sparc/mm/sun4c.c b/arch/sparc/mm/sun4c.c index e0bd738d6..715bdb864 100644 --- a/arch/sparc/mm/sun4c.c +++ b/arch/sparc/mm/sun4c.c @@ -1,4 +1,4 @@ -/* $Id: sun4c.c,v 1.185 2000/01/15 00:51:32 anton Exp $ +/* $Id: sun4c.c,v 1.187 2000/02/08 07:46:01 davem Exp $ * sun4c.c: Doing in software what should be done in hardware. * * Copyright (C) 1996 David S. Miller (davem@caip.rutgers.edu) @@ -584,15 +584,24 @@ static void sun4c_map_dma_area(unsigned long va, u32 addr, int len) } } -static void sun4c_unmap_dma_area(unsigned long addr, int len) +static unsigned long sun4c_translate_dvma(unsigned long busa) { + /* Fortunately for us, bus_addr == uncached_virt in sun4c. */ + unsigned long pte = sun4c_get_pte(busa); + return (pte << PAGE_SHIFT) + PAGE_OFFSET; } -static void sun4c_inval_dma_area(unsigned long addr, int len) +static unsigned long sun4c_unmap_dma_area(unsigned long busa, int len) { + /* Fortunately for us, bus_addr == uncached_virt in sun4c. */ + /* XXX Implement this */ } -static void sun4c_flush_dma_area(unsigned long addr, int len) +static void sun4c_inval_dma_area(unsigned long virt, int len) +{ +} + +static void sun4c_flush_dma_area(unsigned long virt, int len) { } @@ -2574,7 +2583,7 @@ void __init sun4c_paging_init(void) sparc_context_init(num_contexts); { - unsigned int zones_size[MAX_NR_ZONES] = { 0, 0, 0}; + unsigned long zones_size[MAX_NR_ZONES] = { 0, 0, 0}; zones_size[ZONE_DMA] = end_pfn; free_area_init(zones_size); @@ -2721,6 +2730,7 @@ void __init ld_mmu_sun4c(void) BTFIXUPSET_CALL(mmu_map_dma_area, sun4c_map_dma_area, BTFIXUPCALL_NORM); BTFIXUPSET_CALL(mmu_unmap_dma_area, sun4c_unmap_dma_area, BTFIXUPCALL_NORM); + BTFIXUPSET_CALL(mmu_translate_dvma, sun4c_translate_dvma, BTFIXUPCALL_NORM); BTFIXUPSET_CALL(mmu_flush_dma_area, sun4c_flush_dma_area, BTFIXUPCALL_NOP); BTFIXUPSET_CALL(mmu_inval_dma_area, sun4c_inval_dma_area, BTFIXUPCALL_NORM); |