17 lines
500 B
C
17 lines
500 B
C
--- arch/arm/cpu/arm11/cpu.c.orig 2015-10-19 23:59:38 UTC
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+++ arch/arm/cpu/arm11/cpu.c
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@@ -52,6 +52,14 @@ static void cache_flush(void)
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asm volatile("mcr p15, 0, %0, c7, c10, 4" : : "r" (i));
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}
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+void invalidate_icache_all(void)
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+{
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+ /* invalidate entire icache and btb */
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+ asm volatile("mcr p15, 0, %0, c7, c5, 0" : : "r" (0));
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+ /* mem barrier to sync things */
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+ asm volatile("mcr p15, 0, %0, c7, c10, 4" : : "r" (0));
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+}
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+
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#ifndef CONFIG_SYS_DCACHE_OFF
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#ifndef CONFIG_SYS_CACHELINE_SIZE
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