blob: d8c02364d9e811186eb0550fd39a0e3eb2e376c9 [file] [log] [blame]
Simon Glassb4a905e2011-10-10 08:22:14 +00001/*
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
33void *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 */
38static inline void unmap_physmem(void *vaddr, unsigned long flags)
39{
40
41}
Simon Glass17dabf02013-02-24 17:33:14 +000042
43/* For sandbox, we want addresses to point into our RAM buffer */
44static inline void *map_sysmem(phys_addr_t paddr, unsigned long len)
45{
46 return map_physmem(paddr, len, MAP_WRBACK);
47}
48
49static inline void unmap_sysmem(const void *vaddr)
50{
51}