Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1 | /* |
Russell King | 4baa992 | 2008-08-02 10:55:55 +0100 | [diff] [blame] | 2 | * arch/arm/include/asm/map.h |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 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 | */ |
Rob Herring | c279443 | 2012-02-29 18:10:58 -0600 | [diff] [blame^] | 12 | #ifndef __ASM_MACH_MAP_H |
| 13 | #define __ASM_MACH_MAP_H |
| 14 | |
Russell King | 3603ab2 | 2007-05-05 20:59:27 +0100 | [diff] [blame] | 15 | #include <asm/io.h> |
| 16 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 17 | struct map_desc { |
| 18 | unsigned long virtual; |
Deepak Saxena | 9769c24 | 2005-10-28 15:19:11 +0100 | [diff] [blame] | 19 | unsigned long pfn; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 20 | unsigned long length; |
| 21 | unsigned int type; |
| 22 | }; |
| 23 | |
Russell King | db5b716 | 2008-09-07 12:42:51 +0100 | [diff] [blame] | 24 | /* types 0-3 are defined in asm/io.h */ |
Russell King | ebb4c65 | 2008-11-09 11:18:36 +0000 | [diff] [blame] | 25 | #define MT_UNCACHED 4 |
| 26 | #define MT_CACHECLEAN 5 |
| 27 | #define MT_MINICLEAN 6 |
| 28 | #define MT_LOW_VECTORS 7 |
| 29 | #define MT_HIGH_VECTORS 8 |
| 30 | #define MT_MEMORY 9 |
| 31 | #define MT_ROM 10 |
Paul Walmsley | e4707dd | 2009-03-12 20:11:43 +0100 | [diff] [blame] | 32 | #define MT_MEMORY_NONCACHED 11 |
Linus Walleij | cb9d770 | 2010-07-12 21:50:59 +0100 | [diff] [blame] | 33 | #define MT_MEMORY_DTCM 12 |
| 34 | #define MT_MEMORY_ITCM 13 |
Santosh Shilimkar | 8fb5428 | 2011-06-28 12:42:56 -0700 | [diff] [blame] | 35 | #define MT_MEMORY_SO 14 |
Marek Szyprowski | c790950 | 2011-12-29 13:09:51 +0100 | [diff] [blame] | 36 | #define MT_MEMORY_DMA_READY 15 |
Russell King | 0af92be | 2007-05-05 20:28:16 +0100 | [diff] [blame] | 37 | |
Russell King | 092c195 | 2006-06-24 17:34:50 +0100 | [diff] [blame] | 38 | #ifdef CONFIG_MMU |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 39 | extern void iotable_init(struct map_desc *, int); |
Rob Herring | c279443 | 2012-02-29 18:10:58 -0600 | [diff] [blame^] | 40 | extern void vm_reserve_area_early(unsigned long addr, unsigned long size, |
| 41 | void *caller); |
Hiroshi DOYU | 69d3a84 | 2009-01-28 21:32:08 +0200 | [diff] [blame] | 42 | |
| 43 | struct mem_type; |
| 44 | extern const struct mem_type *get_mem_type(unsigned int type); |
| 45 | /* |
| 46 | * external interface to remap single page with appropriate type |
| 47 | */ |
| 48 | extern int ioremap_page(unsigned long virt, unsigned long phys, |
| 49 | const struct mem_type *mtype); |
Russell King | 092c195 | 2006-06-24 17:34:50 +0100 | [diff] [blame] | 50 | #else |
| 51 | #define iotable_init(map,num) do { } while (0) |
Rob Herring | c279443 | 2012-02-29 18:10:58 -0600 | [diff] [blame^] | 52 | #define vm_reserve_area_early(a,s,c) do { } while (0) |
| 53 | #endif |
| 54 | |
Russell King | 092c195 | 2006-06-24 17:34:50 +0100 | [diff] [blame] | 55 | #endif |