diff options
Diffstat (limited to 'include/asm-x86/agp_32.h')
| -rw-r--r-- | include/asm-x86/agp_32.h | 36 |
1 files changed, 0 insertions, 36 deletions
diff --git a/include/asm-x86/agp_32.h b/include/asm-x86/agp_32.h deleted file mode 100644 index 6af173dbf12..00000000000 --- a/include/asm-x86/agp_32.h +++ /dev/null @@ -1,36 +0,0 @@ -#ifndef AGP_H -#define AGP_H 1 - -#include <asm/pgtable.h> -#include <asm/cacheflush.h> - -/* - * Functions to keep the agpgart mappings coherent with the MMU. - * The GART gives the CPU a physical alias of pages in memory. The alias region is - * mapped uncacheable. Make sure there are no conflicting mappings - * with different cachability attributes for the same page. This avoids - * data corruption on some CPUs. - */ - -/* Caller's responsibility to call global_flush_tlb() for - * performance reasons */ -#define map_page_into_agp(page) change_page_attr(page, 1, PAGE_KERNEL_NOCACHE) -#define unmap_page_from_agp(page) change_page_attr(page, 1, PAGE_KERNEL) -#define flush_agp_mappings() global_flush_tlb() - -/* Could use CLFLUSH here if the cpu supports it. But then it would - need to be called for each cacheline of the whole page so it may not be - worth it. Would need a page for it. */ -#define flush_agp_cache() wbinvd() - -/* Convert a physical address to an address suitable for the GART. */ -#define phys_to_gart(x) (x) -#define gart_to_phys(x) (x) - -/* GATT allocation. Returns/accepts GATT kernel virtual address. */ -#define alloc_gatt_pages(order) \ - ((char *)__get_free_pages(GFP_KERNEL, (order))) -#define free_gatt_pages(table, order) \ - free_pages((unsigned long)(table), (order)) - -#endif |