mirror of
https://github.com/AsahiLinux/u-boot
synced 2024-12-04 18:41:03 +00:00
35 lines
769 B
C
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 */
|