| /* | |
| * arch/arm/include/asm/map.h | |
| * | |
| * Copyright (C) 1999-2000 Russell King | |
| * | |
| * This program is free software; you can redistribute it and/or modify | |
| * it under the terms of the GNU General Public License version 2 as | |
| * published by the Free Software Foundation. | |
| * | |
| * Page table mapping constructs and function prototypes | |
| */ | |
| #include <asm/io.h> | |
| struct map_desc { | |
| unsigned long virtual; | |
| unsigned long pfn; | |
| unsigned long length; | |
| unsigned int type; | |
| }; | |
| /* types 0-3 are defined in asm/io.h */ | |
| #define MT_UNCACHED 4 | |
| #define MT_CACHECLEAN 5 | |
| #define MT_MINICLEAN 6 | |
| #define MT_LOW_VECTORS 7 | |
| #define MT_HIGH_VECTORS 8 | |
| #define MT_MEMORY 9 | |
| #define MT_ROM 10 | |
| #define MT_MEMORY_NONCACHED 11 | |
| #define MT_MEMORY_DTCM 12 | |
| #define MT_MEMORY_ITCM 13 | |
| #ifdef CONFIG_MMU | |
| extern void iotable_init(struct map_desc *, int); | |
| struct mem_type; | |
| extern const struct mem_type *get_mem_type(unsigned int type); | |
| /* | |
| * external interface to remap single page with appropriate type | |
| */ | |
| extern int ioremap_page(unsigned long virt, unsigned long phys, | |
| const struct mem_type *mtype); | |
| #else | |
| #define iotable_init(map,num) do { } while (0) | |
| #endif |