diff options
Diffstat (limited to 'arch/arm/cpu/arm926ejs/cache.c')
| -rw-r--r-- | arch/arm/cpu/arm926ejs/cache.c | 23 |
1 files changed, 23 insertions, 0 deletions
diff --git a/arch/arm/cpu/arm926ejs/cache.c b/arch/arm/cpu/arm926ejs/cache.c index 3b89391c37..22a55f52e0 100644 --- a/arch/arm/cpu/arm926ejs/cache.c +++ b/arch/arm/cpu/arm926ejs/cache.c @@ -65,3 +65,26 @@ __weak void l2_cache_disable(void) {} #if CONFIG_IS_ENABLED(SYS_THUMB_BUILD) __weak void invalidate_l2_cache(void) {} #endif + +#ifndef CONFIG_SYS_ICACHE_OFF +/* Invalidate entire I-cache and branch predictor array */ +void invalidate_icache_all(void) +{ + unsigned long i = 0; + + asm ("mcr p15, 0, %0, c7, c5, 0" : : "r" (i)); +} +#else +void invalidate_icache_all(void) {} +#endif + +void enable_caches(void) +{ +#ifndef CONFIG_SYS_ICACHE_OFF + icache_enable(); +#endif +#ifndef CONFIG_SYS_DCACHE_OFF + dcache_enable(); +#endif +} + |