22 lines
624 B
C
22 lines
624 B
C
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#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_mappings() /* nothing */
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#define flush_agp_cache() mb()
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#endif /* _ASM_IA64_AGP_H */
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