diff options
Diffstat (limited to 'arch/arm/lib/cache.c')
| -rw-r--r-- | arch/arm/lib/cache.c | 26 |
1 files changed, 5 insertions, 21 deletions
diff --git a/arch/arm/lib/cache.c b/arch/arm/lib/cache.c index bc48f53f4c..cd13db3440 100644 --- a/arch/arm/lib/cache.c +++ b/arch/arm/lib/cache.c @@ -10,29 +10,13 @@ #include <common.h> #include <malloc.h> +/* + * Flush range from all levels of d-cache/unified-cache. + * Affects the range [start, start + size - 1]. + */ __weak void flush_cache(unsigned long start, unsigned long size) { -#if defined(CONFIG_CPU_ARM1136) - -#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_CPU_ARM1136 */ - -#ifdef CONFIG_CPU_ARM926EJS -#if !(defined(CONFIG_SYS_ICACHE_OFF) && defined(CONFIG_SYS_DCACHE_OFF)) - /* 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_CPU_ARM926EJS */ - return; + flush_dcache_range(start, start + size); } /* |