diff options
Diffstat (limited to 'include/asm-x86/agp_64.h')
-rw-r--r-- | include/asm-x86/agp_64.h | 34 |
1 files changed, 0 insertions, 34 deletions
diff --git a/include/asm-x86/agp_64.h b/include/asm-x86/agp_64.h deleted file mode 100644 index de338666f3f9..000000000000 --- a/include/asm-x86/agp_64.h +++ /dev/null | |||
@@ -1,34 +0,0 @@ | |||
1 | #ifndef AGP_H | ||
2 | #define AGP_H 1 | ||
3 | |||
4 | #include <asm/cacheflush.h> | ||
5 | |||
6 | /* | ||
7 | * Functions to keep the agpgart mappings coherent. | ||
8 | * The GART gives the CPU a physical alias of memory. The alias is | ||
9 | * mapped uncacheable. Make sure there are no conflicting mappings | ||
10 | * with different cachability attributes for the same page. | ||
11 | */ | ||
12 | |||
13 | /* Caller's responsibility to call global_flush_tlb() for | ||
14 | * performance reasons */ | ||
15 | #define map_page_into_agp(page) change_page_attr(page, 1, PAGE_KERNEL_NOCACHE) | ||
16 | #define unmap_page_from_agp(page) change_page_attr(page, 1, PAGE_KERNEL) | ||
17 | #define flush_agp_mappings() global_flush_tlb() | ||
18 | |||
19 | /* Could use CLFLUSH here if the cpu supports it. But then it would | ||
20 | need to be called for each cacheline of the whole page so it may not be | ||
21 | worth it. Would need a page for it. */ | ||
22 | #define flush_agp_cache() asm volatile("wbinvd":::"memory") | ||
23 | |||
24 | /* Convert a physical address to an address suitable for the GART. */ | ||
25 | #define phys_to_gart(x) (x) | ||
26 | #define gart_to_phys(x) (x) | ||
27 | |||
28 | /* GATT allocation. Returns/accepts GATT kernel virtual address. */ | ||
29 | #define alloc_gatt_pages(order) \ | ||
30 | ((char *)__get_free_pages(GFP_KERNEL, (order))) | ||
31 | #define free_gatt_pages(table, order) \ | ||
32 | free_pages((unsigned long)(table), (order)) | ||
33 | |||
34 | #endif | ||