1 /* 2 * Copyright (C) 2013-2014 Synopsys, Inc. All rights reserved. 3 * 4 * SPDX-License-Identifier: GPL-2.0+ 5 */ 6 7 #ifndef __ASM_ARC_CACHE_H 8 #define __ASM_ARC_CACHE_H 9 10 #include <config.h> 11 12 #ifdef CONFIG_ARC_CACHE_LINE_SHIFT 13 #define CONFIG_SYS_CACHELINE_SIZE (1 << CONFIG_ARC_CACHE_LINE_SHIFT) 14 #define ARCH_DMA_MINALIGN CONFIG_SYS_CACHELINE_SIZE 15 #else 16 /* Satisfy users of ARCH_DMA_MINALIGN */ 17 #define ARCH_DMA_MINALIGN 128 18 #endif 19 20 #if defined(ARC_MMU_ABSENT) 21 #define CONFIG_ARC_MMU_VER 0 22 #elif defined(CONFIG_ARC_MMU_V2) 23 #define CONFIG_ARC_MMU_VER 2 24 #elif defined(CONFIG_ARC_MMU_V3) 25 #define CONFIG_ARC_MMU_VER 3 26 #elif defined(CONFIG_ARC_MMU_V4) 27 #define CONFIG_ARC_MMU_VER 4 28 #endif 29 30 #ifndef __ASSEMBLY__ 31 32 void cache_init(void); 33 34 #endif /* __ASSEMBLY__ */ 35 36 #endif /* __ASM_ARC_CACHE_H */ 37