2827883911
Some SoCs come up with invalid entries in the data cache. This can lead to memory corruption when we enable them later, so invalidate the caches early. Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de> Reviewed-by: Lucas Stach <l.stach@pengutronix.de> Tested-by: Lucas Stach <l.stach@pengutronix.de>
25 lines
416 B
C
25 lines
416 B
C
#ifndef __ASM_CACHE_H
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#define __ASM_CACHE_H
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static inline void flush_icache(void)
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{
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asm volatile("mcr p15, 0, %0, c7, c5, 0" : : "r" (0));
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}
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int arm_set_cache_functions(void);
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#ifdef CONFIG_MMU
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void arm_early_mmu_cache_flush(void);
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void arm_early_mmu_cache_invalidate(void);
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#else
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static inline void arm_early_mmu_cache_flush(void)
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{
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}
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static inline void arm_early_mmu_cache_invalidate(void)
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{
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}
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#endif
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#endif
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