arc: introduce U-Boot port for ARCv2 ISA
[platform/kernel/u-boot.git] / arch / arc / include / asm / cache.h
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 #endif /* __ASM_ARC_CACHE_H */