diff options
Diffstat (limited to 'arch/arm/include/asm/glue-cache.h')
| -rw-r--r-- | arch/arm/include/asm/glue-cache.h | 27 |
1 files changed, 27 insertions, 0 deletions
diff --git a/arch/arm/include/asm/glue-cache.h b/arch/arm/include/asm/glue-cache.h index ea289e1435e..c81adc08b3f 100644 --- a/arch/arm/include/asm/glue-cache.h +++ b/arch/arm/include/asm/glue-cache.h @@ -117,10 +117,37 @@ # endif #endif +#if defined(CONFIG_CPU_V7M) +# ifdef _CACHE +# define MULTI_CACHE 1 +# else +# define _CACHE nop +# endif +#endif + #if !defined(_CACHE) && !defined(MULTI_CACHE) #error Unknown cache maintenance model #endif +#ifndef __ASSEMBLER__ +extern inline void nop_flush_icache_all(void) { } +extern inline void nop_flush_kern_cache_all(void) { } +extern inline void nop_flush_kern_cache_louis(void) { } +extern inline void nop_flush_user_cache_all(void) { } +extern inline void nop_flush_user_cache_range(unsigned long a, + unsigned long b, unsigned int c) { } + +extern inline void nop_coherent_kern_range(unsigned long a, unsigned long b) { } +extern inline int nop_coherent_user_range(unsigned long a, + unsigned long b) { return 0; } +extern inline void nop_flush_kern_dcache_area(void *a, size_t s) { } + +extern inline void nop_dma_flush_range(const void *a, const void *b) { } + +extern inline void nop_dma_map_area(const void *s, size_t l, int f) { } +extern inline void nop_dma_unmap_area(const void *s, size_t l, int f) { } +#endif + #ifndef MULTI_CACHE #define __cpuc_flush_icache_all __glue(_CACHE,_flush_icache_all) #define __cpuc_flush_kern_all __glue(_CACHE,_flush_kern_cache_all) |