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Diffstat (limited to '')
-rw-r--r-- | arch/arm/include/asm/glue-cache.h | 161 |
1 files changed, 161 insertions, 0 deletions
diff --git a/arch/arm/include/asm/glue-cache.h b/arch/arm/include/asm/glue-cache.h new file mode 100644 index 000000000..724f8dac1 --- /dev/null +++ b/arch/arm/include/asm/glue-cache.h @@ -0,0 +1,161 @@ +/* SPDX-License-Identifier: GPL-2.0-only */ +/* + * arch/arm/include/asm/glue-cache.h + * + * Copyright (C) 1999-2002 Russell King + */ +#ifndef ASM_GLUE_CACHE_H +#define ASM_GLUE_CACHE_H + +#include <asm/glue.h> + +/* + * Cache Model + * =========== + */ +#undef _CACHE +#undef MULTI_CACHE + +#if defined(CONFIG_CPU_CACHE_V4) +# ifdef _CACHE +# define MULTI_CACHE 1 +# else +# define _CACHE v4 +# endif +#endif + +#if defined(CONFIG_CPU_ARM920T) || defined(CONFIG_CPU_ARM922T) || \ + defined(CONFIG_CPU_ARM925T) || defined(CONFIG_CPU_ARM1020) || \ + defined(CONFIG_CPU_ARM1026) +# define MULTI_CACHE 1 +#endif + +#if defined(CONFIG_CPU_FA526) +# ifdef _CACHE +# define MULTI_CACHE 1 +# else +# define _CACHE fa +# endif +#endif + +#if defined(CONFIG_CPU_ARM926T) +# ifdef _CACHE +# define MULTI_CACHE 1 +# else +# define _CACHE arm926 +# endif +#endif + +#if defined(CONFIG_CPU_ARM940T) +# ifdef _CACHE +# define MULTI_CACHE 1 +# else +# define _CACHE arm940 +# endif +#endif + +#if defined(CONFIG_CPU_ARM946E) +# ifdef _CACHE +# define MULTI_CACHE 1 +# else +# define _CACHE arm946 +# endif +#endif + +#if defined(CONFIG_CPU_CACHE_V4WB) +# ifdef _CACHE +# define MULTI_CACHE 1 +# else +# define _CACHE v4wb +# endif +#endif + +#if defined(CONFIG_CPU_XSCALE) +# ifdef _CACHE +# define MULTI_CACHE 1 +# else +# define _CACHE xscale +# endif +#endif + +#if defined(CONFIG_CPU_XSC3) +# ifdef _CACHE +# define MULTI_CACHE 1 +# else +# define _CACHE xsc3 +# endif +#endif + +#if defined(CONFIG_CPU_MOHAWK) +# ifdef _CACHE +# define MULTI_CACHE 1 +# else +# define _CACHE mohawk +# endif +#endif + +#if defined(CONFIG_CPU_FEROCEON) +# define MULTI_CACHE 1 +#endif + +#if defined(CONFIG_CPU_V6) || defined(CONFIG_CPU_V6K) +# ifdef _CACHE +# define MULTI_CACHE 1 +# else +# define _CACHE v6 +# endif +#endif + +#if defined(CONFIG_CPU_V7) +# ifdef _CACHE +# define MULTI_CACHE 1 +# else +# define _CACHE v7 +# endif +#endif + +#if defined(CONFIG_CACHE_B15_RAC) +# define MULTI_CACHE 1 +#endif + +#if defined(CONFIG_CPU_V7M) +# define MULTI_CACHE 1 +#endif + +#if !defined(_CACHE) && !defined(MULTI_CACHE) +#error Unknown cache maintenance model +#endif + +#ifndef __ASSEMBLER__ +static inline void nop_flush_icache_all(void) { } +static inline void nop_flush_kern_cache_all(void) { } +static inline void nop_flush_kern_cache_louis(void) { } +static inline void nop_flush_user_cache_all(void) { } +static inline void nop_flush_user_cache_range(unsigned long a, + unsigned long b, unsigned int c) { } + +static inline void nop_coherent_kern_range(unsigned long a, unsigned long b) { } +static inline int nop_coherent_user_range(unsigned long a, + unsigned long b) { return 0; } +static inline void nop_flush_kern_dcache_area(void *a, size_t s) { } + +static inline void nop_dma_flush_range(const void *a, const void *b) { } + +static inline void nop_dma_map_area(const void *s, size_t l, int f) { } +static 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) +#define __cpuc_flush_kern_louis __glue(_CACHE,_flush_kern_cache_louis) +#define __cpuc_flush_user_all __glue(_CACHE,_flush_user_cache_all) +#define __cpuc_flush_user_range __glue(_CACHE,_flush_user_cache_range) +#define __cpuc_coherent_kern_range __glue(_CACHE,_coherent_kern_range) +#define __cpuc_coherent_user_range __glue(_CACHE,_coherent_user_range) +#define __cpuc_flush_dcache_area __glue(_CACHE,_flush_kern_dcache_area) + +#define dmac_flush_range __glue(_CACHE,_dma_flush_range) +#endif + +#endif |