|  | #ifndef _ASM_POWERPC_AGP_H | 
|  | #define _ASM_POWERPC_AGP_H | 
|  | #ifdef __KERNEL__ | 
|  |  | 
|  | #include <asm/io.h> | 
|  |  | 
|  | #define map_page_into_agp(page) | 
|  | #define unmap_page_from_agp(page) | 
|  | #define flush_agp_mappings() | 
|  | #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 /* __KERNEL__ */ | 
|  | #endif	/* _ASM_POWERPC_AGP_H */ |