git://bbs.cooldavid.org / net-next-2.6.git / blame
| Commit | Line | Data |
|---|---|---|
| 1da177e4 | 1 | /* |
| 4baa9922 | 2 | * arch/arm/include/asm/map.h |
| 1da177e4 LT |
3 | * |
| 4 | * Copyright (C) 1999-2000 Russell King | |
| 5 | * | |
| 6 | * This program is free software; you can redistribute it and/or modify | |
| 7 | * it under the terms of the GNU General Public License version 2 as | |
| 8 | * published by the Free Software Foundation. | |
| 9 | * | |
| 10 | * Page table mapping constructs and function prototypes | |
| 11 | */ | |
| 3603ab2b RK |
12 | #include <asm/io.h> |
| 13 | ||
| 1da177e4 LT |
14 | struct map_desc { |
| 15 | unsigned long virtual; | |
| 9769c246 | 16 | unsigned long pfn; |
| 1da177e4 LT |
17 | unsigned long length; |
| 18 | unsigned int type; | |
| 19 | }; | |
| 20 | ||
| db5b7169 | 21 | /* types 0-3 are defined in asm/io.h */ |
| ebb4c658 RK |
22 | #define MT_UNCACHED 4 |
| 23 | #define MT_CACHECLEAN 5 | |
| 24 | #define MT_MINICLEAN 6 | |
| 25 | #define MT_LOW_VECTORS 7 | |
| 26 | #define MT_HIGH_VECTORS 8 | |
| 27 | #define MT_MEMORY 9 | |
| 28 | #define MT_ROM 10 | |
| e4707dd3 | 29 | #define MT_MEMORY_NONCACHED 11 |
| cb9d7707 LW |
30 | #define MT_MEMORY_DTCM 12 |
| 31 | #define MT_MEMORY_ITCM 13 | |
| 0af92bef | 32 | |
| 092c1952 | 33 | #ifdef CONFIG_MMU |
| 1da177e4 | 34 | extern void iotable_init(struct map_desc *, int); |
| 69d3a84a HD |
35 | |
| 36 | struct mem_type; | |
| 37 | extern const struct mem_type *get_mem_type(unsigned int type); | |
| 38 | /* | |
| 39 | * external interface to remap single page with appropriate type | |
| 40 | */ | |
| 41 | extern int ioremap_page(unsigned long virt, unsigned long phys, | |
| 42 | const struct mem_type *mtype); | |
| 092c1952 RK |
43 | #else |
| 44 | #define iotable_init(map,num) do { } while (0) | |
| 45 | #endif |