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 6af173dbf123..000000000000 --- a/include/asm-x86/agp_32.h +++ /dev/null | |||
@@ -1,36 +0,0 @@ | |||
1 | #ifndef AGP_H | ||
2 | #define AGP_H 1 | ||
3 | |||
4 | #include <asm/pgtable.h> | ||
5 | #include <asm/cacheflush.h> | ||
6 | |||
7 | /* | ||
8 | * Functions to keep the agpgart mappings coherent with the MMU. | ||
9 | * The GART gives the CPU a physical alias of pages in memory. The alias region is | ||
10 | * mapped uncacheable. Make sure there are no conflicting mappings | ||
11 | * with different cachability attributes for the same page. This avoids | ||
12 | * data corruption on some CPUs. | ||
13 | */ | ||
14 | |||
15 | /* Caller's responsibility to call global_flush_tlb() for | ||
16 | * performance reasons */ | ||
17 | #define map_page_into_agp(page) change_page_attr(page, 1, PAGE_KERNEL_NOCACHE) | ||
18 | #define unmap_page_from_agp(page) change_page_attr(page, 1, PAGE_KERNEL) | ||
19 | #define flush_agp_mappings() global_flush_tlb() | ||
20 | |||
21 | /* Could use CLFLUSH here if the cpu supports it. But then it would | ||
22 | need to be called for each cacheline of the whole page so it may not be | ||
23 | worth it. Would need a page for it. */ | ||
24 | #define flush_agp_cache() wbinvd() | ||
25 | |||
26 | /* Convert a physical address to an address suitable for the GART. */ | ||
27 | #define phys_to_gart(x) (x) | ||
28 | #define gart_to_phys(x) (x) | ||
29 | |||
30 | /* GATT allocation. Returns/accepts GATT kernel virtual address. */ | ||
31 | #define alloc_gatt_pages(order) \ | ||
32 | ((char *)__get_free_pages(GFP_KERNEL, (order))) | ||
33 | #define free_gatt_pages(table, order) \ | ||
34 | free_pages((unsigned long)(table), (order)) | ||
35 | |||
36 | #endif | ||