diff options
author | Linus Torvalds <torvalds@linux-foundation.org> | 2008-08-01 14:59:11 -0700 |
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committer | Linus Torvalds <torvalds@linux-foundation.org> | 2008-08-01 14:59:11 -0700 |
commit | 2b12a4c524812fb3f6ee590a02e65b95c8c32229 (patch) | |
tree | 6d319a371c56798d2d5c3ad21801eba142a1c77e /arch/ia64/include/asm/agp.h | |
parent | 4744b43431e8613f920c5cba88346756f53c5165 (diff) | |
parent | 7f30491ccd28627742e37899453ae20e3da8e18f (diff) |
Merge branch 'release' of git://git.kernel.org/pub/scm/linux/kernel/git/aegl/linux-2.6
* 'release' of git://git.kernel.org/pub/scm/linux/kernel/git/aegl/linux-2.6:
[IA64] Move include/asm-ia64 to arch/ia64/include/asm
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 */ |