diff options
author | Ingo Molnar <mingo@elte.hu> | 2008-09-22 13:08:57 +0200 |
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committer | Ingo Molnar <mingo@elte.hu> | 2008-09-22 13:08:57 +0200 |
commit | 0b88641f1bafdbd087d5e63987a30cc0eadd63b9 (patch) | |
tree | 81dcf756db373444140bb2623584710c628e3048 /arch/ia64/include/asm/agp.h | |
parent | fbdbf709938d155c719c76b9894d28342632c797 (diff) | |
parent | 72d31053f62c4bc464c2783974926969614a8649 (diff) |
Merge commit 'v2.6.27-rc7' into x86/debug
Diffstat (limited to 'arch/ia64/include/asm/agp.h')
-rw-r--r-- | arch/ia64/include/asm/agp.h | 30 |
1 files changed, 30 insertions, 0 deletions
diff --git a/arch/ia64/include/asm/agp.h b/arch/ia64/include/asm/agp.h new file mode 100644 index 00000000000..c11fdd8ab4d --- /dev/null +++ b/arch/ia64/include/asm/agp.h @@ -0,0 +1,30 @@ +#ifndef _ASM_IA64_AGP_H +#define _ASM_IA64_AGP_H + +/* + * IA-64 specific AGP definitions. + * + * Copyright (C) 2002-2003 Hewlett-Packard Co + * David Mosberger-Tang <davidm@hpl.hp.com> + */ + +/* + * To avoid memory-attribute aliasing issues, we require that the AGPGART engine operate + * in coherent mode, which lets us map the AGP memory as normal (write-back) memory + * (unlike x86, where it gets mapped "write-coalescing"). + */ +#define map_page_into_agp(page) /* nothing */ +#define unmap_page_from_agp(page) /* nothing */ +#define flush_agp_cache() mb() + +/* 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 /* _ASM_IA64_AGP_H */ |