Simon Glass | b4a905e | 2011-10-10 08:22:14 +0000 | [diff] [blame] | 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 | } |
Simon Glass | 17dabf0 | 2013-02-24 17:33:14 +0000 | [diff] [blame] | 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 | } |
Simon Glass | e23d293 | 2013-04-20 08:42:37 +0000 | [diff] [blame^] | 52 | |
| 53 | /* Map from a pointer to our RAM buffer */ |
| 54 | phys_addr_t map_to_sysmem(void *ptr); |