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author | Simon Glass <sjg@chromium.org> | 2011-10-10 08:22:14 (GMT) |
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committer | Wolfgang Denk <wd@denx.de> | 2011-10-17 20:45:50 (GMT) |
commit | 744d9859a71c515118457fecb7a58674b600e81a (patch) | |
tree | 47f1788b7253239bd0fa42cfc28f3762e786fab2 /arch/sandbox/include/asm/io.h | |
parent | e72f0b1521135f48aec7cc92eeb1e052ea6a10e9 (diff) | |
download | u-boot-744d9859a71c515118457fecb7a58674b600e81a.tar.xz |
sandbox: Add architecture header files
This adds required header files for the sandbox architecture, and a basic
description of what sandbox is (README.sandbox).
Signed-off-by: Simon Glass <sjg@chromium.org>
Diffstat (limited to 'arch/sandbox/include/asm/io.h')
-rw-r--r-- | arch/sandbox/include/asm/io.h | 41 |
1 files changed, 41 insertions, 0 deletions
diff --git a/arch/sandbox/include/asm/io.h b/arch/sandbox/include/asm/io.h new file mode 100644 index 0000000..0392d21 --- /dev/null +++ b/arch/sandbox/include/asm/io.h @@ -0,0 +1,41 @@ +/* + * Copyright (c) 2011 The Chromium OS Authors. + * + * See file CREDITS for list of people who contributed to this + * project. + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License as + * published by the Free Software Foundation; either version 2 of + * the License, or (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, + * MA 02111-1307 USA + */ + +/* + * Given a physical address and a length, return a virtual address + * that can be used to access the memory range with the caching + * properties specified by "flags". + */ +#define MAP_NOCACHE (0) +#define MAP_WRCOMBINE (0) +#define MAP_WRBACK (0) +#define MAP_WRTHROUGH (0) + +void *map_physmem(phys_addr_t paddr, unsigned long len, unsigned long flags); + +/* + * Take down a mapping set up by map_physmem(). + */ +static inline void unmap_physmem(void *vaddr, unsigned long flags) +{ + +} |