diff options
-rw-r--r-- | arch/arm/cpu/arm11/cpu.c | 9 | ||||
-rw-r--r-- | arch/arm/cpu/arm926ejs/cache.c | 9 | ||||
-rw-r--r-- | arch/arm/cpu/armv7/cache_v7.c | 13 | ||||
-rw-r--r-- | arch/arm/cpu/armv8/cache_v8.c | 8 | ||||
-rw-r--r-- | arch/arm/lib/cache.c | 26 |
5 files changed, 5 insertions, 60 deletions
diff --git a/arch/arm/cpu/arm11/cpu.c b/arch/arm/cpu/arm11/cpu.c index 06dee0fc1b9..1e4c2142b13 100644 --- a/arch/arm/cpu/arm11/cpu.c +++ b/arch/arm/cpu/arm11/cpu.c @@ -110,11 +110,6 @@ void flush_dcache_range(unsigned long start, unsigned long stop) asm volatile("mcr p15, 0, %0, c7, c10, 4" : : "r" (0)); } -void flush_cache(unsigned long start, unsigned long size) -{ - flush_dcache_range(start, start + size); -} - #else /* #ifndef CONFIG_SYS_DCACHE_OFF */ void invalidate_dcache_all(void) { @@ -123,10 +118,6 @@ void invalidate_dcache_all(void) void flush_dcache_all(void) { } - -void flush_cache(unsigned long start, unsigned long size) -{ -} #endif /* #ifndef CONFIG_SYS_DCACHE_OFF */ #if !defined(CONFIG_SYS_ICACHE_OFF) || !defined(CONFIG_SYS_DCACHE_OFF) diff --git a/arch/arm/cpu/arm926ejs/cache.c b/arch/arm/cpu/arm926ejs/cache.c index 99d1a139b0d..e5c1a6ae6c9 100644 --- a/arch/arm/cpu/arm926ejs/cache.c +++ b/arch/arm/cpu/arm926ejs/cache.c @@ -69,11 +69,6 @@ void flush_dcache_range(unsigned long start, unsigned long stop) asm volatile("mcr p15, 0, %0, c7, c10, 4\n" : : "r"(0)); } - -void flush_cache(unsigned long start, unsigned long size) -{ - flush_dcache_range(start, start + size); -} #else /* #ifndef CONFIG_SYS_DCACHE_OFF */ void invalidate_dcache_all(void) { @@ -82,10 +77,6 @@ void invalidate_dcache_all(void) void flush_dcache_all(void) { } - -void flush_cache(unsigned long start, unsigned long size) -{ -} #endif /* #ifndef CONFIG_SYS_DCACHE_OFF */ /* diff --git a/arch/arm/cpu/armv7/cache_v7.c b/arch/arm/cpu/armv7/cache_v7.c index 4f0e4062a2d..a5aa4fa6436 100644 --- a/arch/arm/cpu/armv7/cache_v7.c +++ b/arch/arm/cpu/armv7/cache_v7.c @@ -286,15 +286,6 @@ void mmu_page_table_flush(unsigned long start, unsigned long stop) flush_dcache_range(start, stop); v7_inval_tlb(); } - -/* - * Flush range from all levels of d-cache/unified-cache used: - * Affects the range [start, start + size - 1] - */ -void flush_cache(unsigned long start, unsigned long size) -{ - flush_dcache_range(start, start + size); -} #else /* #ifndef CONFIG_SYS_DCACHE_OFF */ void invalidate_dcache_all(void) { @@ -308,10 +299,6 @@ void arm_init_before_mmu(void) { } -void flush_cache(unsigned long start, unsigned long size) -{ -} - void mmu_page_table_flush(unsigned long start, unsigned long stop) { } diff --git a/arch/arm/cpu/armv8/cache_v8.c b/arch/arm/cpu/armv8/cache_v8.c index cd160c4b633..835f6a6525e 100644 --- a/arch/arm/cpu/armv8/cache_v8.c +++ b/arch/arm/cpu/armv8/cache_v8.c @@ -253,11 +253,3 @@ void __weak enable_caches(void) icache_enable(); dcache_enable(); } - -/* - * Flush range from all levels of d-cache/unified-cache - */ -void flush_cache(unsigned long start, unsigned long size) -{ - flush_dcache_range(start, start + size); -} diff --git a/arch/arm/lib/cache.c b/arch/arm/lib/cache.c index bc48f53f4c5..cd13db3440d 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); } /* |