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744d9859 SG |
1 | /* |
2 | * Copyright (c) 2011 The Chromium OS Authors. | |
3 | * | |
4 | * See file CREDITS for list of people who contributed to this | |
5 | * project. | |
6 | * | |
7 | * This program is free software; you can redistribute it and/or | |
8 | * modify it under the terms of the GNU General Public License as | |
9 | * published by the Free Software Foundation; either version 2 of | |
10 | * the License, or (at your option) any later version. | |
11 | * | |
12 | * This program is distributed in the hope that it will be useful, | |
13 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | |
14 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
15 | * GNU General Public License for more details. | |
16 | * | |
17 | * You should have received a copy of the GNU General Public License | |
18 | * along with this program; if not, write to the Free Software | |
19 | * Foundation, Inc., 59 Temple Place, Suite 330, Boston, | |
20 | * MA 02111-1307 USA | |
21 | */ | |
22 | ||
23 | /* | |
24 | * Given a physical address and a length, return a virtual address | |
25 | * that can be used to access the memory range with the caching | |
26 | * properties specified by "flags". | |
27 | */ | |
28 | #define MAP_NOCACHE (0) | |
29 | #define MAP_WRCOMBINE (0) | |
30 | #define MAP_WRBACK (0) | |
31 | #define MAP_WRTHROUGH (0) | |
32 | ||
33 | void *map_physmem(phys_addr_t paddr, unsigned long len, unsigned long flags); | |
34 | ||
35 | /* | |
36 | * Take down a mapping set up by map_physmem(). | |
37 | */ | |
38 | static inline void unmap_physmem(void *vaddr, unsigned long flags) | |
39 | { | |
40 | ||
41 | } | |
4213fc29 SG |
42 | |
43 | /* For sandbox, we want addresses to point into our RAM buffer */ | |
44 | static inline void *map_sysmem(phys_addr_t paddr, unsigned long len) | |
45 | { | |
46 | return map_physmem(paddr, len, MAP_WRBACK); | |
47 | } | |
48 | ||
49 | static inline void unmap_sysmem(const void *vaddr) | |
50 | { | |
51 | } |