xref: /openbmc/u-boot/arch/arc/include/asm/cache.h (revision ef48f6dd)
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 #ifdef CONFIG_ISA_ARCV2
33 void slc_enable(void);
34 void slc_disable(void);
35 void slc_flush(void);
36 void slc_invalidate(void);
37 #endif
38 
39 #endif /* __ASSEMBLY__ */
40 
41 #endif /* __ASM_ARC_CACHE_H */
42