diff options
Diffstat (limited to 'arch/arm/include/asm/glue-cache.h')
| -rw-r--r-- | arch/arm/include/asm/glue-cache.h | 43 |
1 files changed, 14 insertions, 29 deletions
diff --git a/arch/arm/include/asm/glue-cache.h b/arch/arm/include/asm/glue-cache.h index c81adc08b3fb..4186fbf7341f 100644 --- a/arch/arm/include/asm/glue-cache.h +++ b/arch/arm/include/asm/glue-cache.h @@ -1,11 +1,8 @@ +/* SPDX-License-Identifier: GPL-2.0-only */ /* * arch/arm/include/asm/glue-cache.h * * Copyright (C) 1999-2002 Russell King - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License version 2 as - * published by the Free Software Foundation. */ #ifndef ASM_GLUE_CACHE_H #define ASM_GLUE_CACHE_H @@ -117,49 +114,37 @@ # endif #endif +#if defined(CONFIG_CACHE_B15_RAC) +# define MULTI_CACHE 1 +#endif + +#ifdef CONFIG_CPU_CACHE_NOP +# define MULTI_CACHE 1 +#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) +/* This function only has a dedicated assembly callback on the v7 cache */ +#ifdef CONFIG_CPU_CACHE_V7 #define __cpuc_flush_kern_louis __glue(_CACHE,_flush_kern_cache_louis) +#else +#define __cpuc_flush_kern_louis __glue(_CACHE,_flush_kern_cache_all) +#endif #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_map_area __glue(_CACHE,_dma_map_area) -#define dmac_unmap_area __glue(_CACHE,_dma_unmap_area) #define dmac_flush_range __glue(_CACHE,_dma_flush_range) #endif |