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