u-boot/include/asm-sh/cache.h
Wolfgang Denk 1aeed8d71a Coding Style cleanup; update CHANGELOG
Signed-off-by: Wolfgang Denk <wd@denx.de>
2008-04-13 09:59:26 -07:00

33 lines
731 B
C

#ifndef __ASM_SH_CACHE_H
#define __ASM_SH_CACHE_H
#if defined(CONFIG_SH4) || defined(CONFIG_SH4A)
#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 */