u-boot/include/asm-sh/cache.h
Nobuhiro Iwamatsu b5d10a1352 sh: Fix compile warning
Signed-off-by: Nobuhiro Iwamatsu <iwamatsu@nigauri.org>
2008-09-19 11:05:22 +09:00

35 lines
769 B
C

#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 */