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gerrit-public.fairphone.software / kernel / msm / 34aea162656f748bcd63a7f9805c94cbb559d5b2 / . / arch / arm / include / asm / mach / map.h
blob: cb89aeb869a08e47407fc8067d7d66c29560e9e4 [file] [log] [blame]
Linus Torvalds1da177e2005-04-16 15:20:36 -0700[diff] [blame]1/*
Russell King4baa9922008-08-02 10:55:55 +0100[diff] [blame]2 * arch/arm/include/asm/map.h
Linus Torvalds1da177e2005-04-16 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 */
Russell King3603ab22007-05-05 20:59:27 +0100[diff] [blame]12#include <asm/io.h>
Naveen Ramaraj87051312011-10-06 12:09:42 -0700[diff] [blame]13#include <asm/page.h>
Russell King3603ab22007-05-05 20:59:27 +0100[diff] [blame]14
Linus Torvalds1da177e2005-04-16 15:20:36 -0700[diff] [blame]15struct map_desc {
16 unsigned long virtual;
Deepak Saxena9769c242005-10-28 15:19:11 +0100[diff] [blame]17 unsigned long pfn;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700[diff] [blame]18 unsigned long length;
19 unsigned int type;
20};
21
Russell Kingdb5b7162008-09-07 12:42:51 +0100[diff] [blame]22/* types 0-3 are defined in asm/io.h */
Russell Kingebb4c652008-11-09 11:18:36 +0000[diff] [blame]23#define MT_UNCACHED 4
24#define MT_CACHECLEAN 5
25#define MT_MINICLEAN 6
26#define MT_LOW_VECTORS 7
27#define MT_HIGH_VECTORS 8
28#define MT_MEMORY 9
29#define MT_ROM 10
Paul Walmsleye4707dd2009-03-12 20:11:43 +0100[diff] [blame]30#define MT_MEMORY_NONCACHED 11
Linus Walleijcb9d7702010-07-12 21:50:59 +0100[diff] [blame]31#define MT_MEMORY_DTCM 12
32#define MT_MEMORY_ITCM 13
Bryan Huntsman3f2bc4d2011-08-16 17:27:22 -0700[diff] [blame]33#define MT_DEVICE_STRONGLY_ORDERED 14
34#define MT_MEMORY_R 15
35#define MT_MEMORY_RW 16
36#define MT_MEMORY_RX 17
Russell King0af92be2007-05-05 20:28:16 +0100[diff] [blame]37
Russell King092c1952006-06-24 17:34:50 +0100[diff] [blame]38#ifdef CONFIG_MMU
Linus Torvalds1da177e2005-04-16 15:20:36 -0700[diff] [blame]39extern void iotable_init(struct map_desc *, int);
Hiroshi DOYU69d3a842009-01-28 21:32:08 +0200[diff] [blame]40
Naveen Ramaraj189f1882011-08-16 17:39:22 -0700[diff] [blame]41struct mem_type {
42 pteval_t prot_pte;
43 unsigned int prot_l1;
44 unsigned int prot_sect;
45 unsigned int domain;
46};
47
Hiroshi DOYU69d3a842009-01-28 21:32:08 +0200[diff] [blame]48extern const struct mem_type *get_mem_type(unsigned int type);
49/*
50 * external interface to remap single page with appropriate type
51 */
52extern int ioremap_page(unsigned long virt, unsigned long phys,
53 const struct mem_type *mtype);
Russell King092c1952006-06-24 17:34:50 +0100[diff] [blame]54#else
55#define iotable_init(map,num) do { } while (0)
56#endif