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| author | Shinya Kuribayashi <skuribay@ruby.dti.ne.jp> | 2008-01-18 22:48:06 +0900 |
|---|---|---|
| committer | Shinya Kuribayashi <skuribay@ruby.dti.ne.jp> | 2008-01-18 22:48:06 +0900 |
| commit | 922ff465cc7b87e589a1299b7a87f52ea7bd2bf7 (patch) | |
| tree | e607544511fede1f155877352830b1a5a7734613 /include/asm-sh/io.h | |
| parent | bed8ce838a609aaab136d43b25e6df2a520bc854 (diff) | |
| parent | f188896c2f1594fe749fdb99bbc8c54023cfab3a (diff) | |
| download | u-boot-imx-922ff465cc7b87e589a1299b7a87f52ea7bd2bf7.zip u-boot-imx-922ff465cc7b87e589a1299b7a87f52ea7bd2bf7.tar.gz u-boot-imx-922ff465cc7b87e589a1299b7a87f52ea7bd2bf7.tar.bz2 | |
Merge branch 'master' of git://www.denx.de/git/u-boot
Diffstat (limited to 'include/asm-sh/io.h')
| -rw-r--r-- | include/asm-sh/io.h | 27 |
1 files changed, 27 insertions, 0 deletions
diff --git a/include/asm-sh/io.h b/include/asm-sh/io.h index 03427ad..51fd10b 100644 --- a/include/asm-sh/io.h +++ b/include/asm-sh/io.h @@ -227,5 +227,32 @@ out: static inline void sync(void) { } + +/* + * 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". + */ +typedef unsigned long phys_addr_t; + +#define MAP_NOCACHE (0) +#define MAP_WRCOMBINE (0) +#define MAP_WRBACK (0) +#define MAP_WRTHROUGH (0) + +static inline void * +map_physmem(phys_addr_t paddr, unsigned long len, unsigned long flags) +{ + return (void *)paddr; +} + +/* + * Take down a mapping set up by map_physmem(). + */ +static inline void unmap_physmem(void *vaddr, unsigned long flags) +{ + +} + #endif /* __KERNEL__ */ #endif /* __ASM_SH_IO_H */ |