diff options
Diffstat (limited to 'arch/arm/lib/cache.c')
| -rw-r--r-- | arch/arm/lib/cache.c | 13 |
1 files changed, 10 insertions, 3 deletions
diff --git a/arch/arm/lib/cache.c b/arch/arm/lib/cache.c index 6cc136aa3..4f6b9f01c 100644 --- a/arch/arm/lib/cache.c +++ b/arch/arm/lib/cache.c @@ -12,16 +12,23 @@ void __flush_cache(unsigned long start, unsigned long size) { #if defined(CONFIG_ARM1136) - void arm1136_cache_flush(void); - arm1136_cache_flush(); +#if !defined(CONFIG_SYS_ICACHE_OFF) + asm("mcr p15, 0, r1, c7, c5, 0"); /* invalidate I cache */ #endif + +#if !defined(CONFIG_SYS_DCACHE_OFF) + asm("mcr p15, 0, r1, c7, c14, 0"); /* Clean+invalidate D cache */ +#endif + +#endif /* CONFIG_ARM1136 */ + #ifdef CONFIG_ARM926EJS /* test and clean, page 2-23 of arm926ejs manual */ asm("0: mrc p15, 0, r15, c7, c10, 3\n\t" "bne 0b\n" : : : "memory"); /* disable write buffer as well (page 2-22) */ asm("mcr p15, 0, %0, c7, c10, 4" : : "r" (0)); -#endif +#endif /* CONFIG_ARM926EJS */ return; } void flush_cache(unsigned long start, unsigned long size) |