5398f9854f
Signed-off-by: Ingo Molnar <mingo@elte.hu> Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
31 lines
945 B
C
31 lines
945 B
C
#ifndef _ASM_IA64_AGP_H
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#define _ASM_IA64_AGP_H
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/*
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* IA-64 specific AGP definitions.
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*
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* Copyright (C) 2002-2003 Hewlett-Packard Co
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* David Mosberger-Tang <davidm@hpl.hp.com>
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*/
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/*
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* To avoid memory-attribute aliasing issues, we require that the AGPGART engine operate
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* in coherent mode, which lets us map the AGP memory as normal (write-back) memory
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* (unlike x86, where it gets mapped "write-coalescing").
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*/
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#define map_page_into_agp(page) /* nothing */
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#define unmap_page_from_agp(page) /* nothing */
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#define flush_agp_cache() mb()
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/* Convert a physical address to an address suitable for the GART. */
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#define phys_to_gart(x) (x)
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#define gart_to_phys(x) (x)
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/* GATT allocation. Returns/accepts GATT kernel virtual address. */
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#define alloc_gatt_pages(order) \
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((char *)__get_free_pages(GFP_KERNEL, (order)))
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#define free_gatt_pages(table, order) \
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free_pages((unsigned long)(table), (order))
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#endif /* _ASM_IA64_AGP_H */
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