diff options
author | Peter Tyser <ptyser@xes-inc.com> | 2010-04-12 22:28:08 -0500 |
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committer | Wolfgang Denk <wd@denx.de> | 2010-04-13 09:13:12 +0200 |
commit | 819833af39a91fa1c1e8252862bbda6f5a602f7b (patch) | |
tree | d5c9d1628643347ab2b5a8085acfa6f96709fda3 /arch/sh/include/asm/cache.h | |
parent | 61f2b38a17f5b21c59f2afe6cf1cbb5f28638cf9 (diff) |
Move architecture-specific includes to arch/$ARCH/include/asm
This helps to clean up the include/ directory so that it only contains
non-architecture-specific headers and also matches Linux's directory
layout which many U-Boot developers are already familiar with.
Signed-off-by: Peter Tyser <ptyser@xes-inc.com>
Diffstat (limited to 'arch/sh/include/asm/cache.h')
-rw-r--r-- | arch/sh/include/asm/cache.h | 35 |
1 files changed, 35 insertions, 0 deletions
diff --git a/arch/sh/include/asm/cache.h b/arch/sh/include/asm/cache.h new file mode 100644 index 0000000000..2cfc0a7944 --- /dev/null +++ b/arch/sh/include/asm/cache.h @@ -0,0 +1,35 @@ +#ifndef __ASM_SH_CACHE_H +#define __ASM_SH_CACHE_H + +#if defined(CONFIG_SH4) || defined(CONFIG_SH4A) + +int cache_control(unsigned int cmd); + +#define L1_CACHE_BYTES 32 +struct __large_struct { unsigned long buf[100]; }; +#define __m(x) (*(struct __large_struct *)(x)) + +void dcache_wback_range(u32 start, u32 end) +{ + u32 v; + + start &= ~(L1_CACHE_BYTES - 1); + for (v = start; v < end; v += L1_CACHE_BYTES) { + asm volatile ("ocbwb %0" : /* no output */ + : "m" (__m(v))); + } +} + +void dcache_invalid_range(u32 start, u32 end) +{ + u32 v; + + start &= ~(L1_CACHE_BYTES - 1); + for (v = start; v < end; v += L1_CACHE_BYTES) { + asm volatile ("ocbi %0" : /* no output */ + : "m" (__m(v))); + } +} +#endif /* CONFIG_SH4 || CONFIG_SH4A */ + +#endif /* __ASM_SH_CACHE_H */ |