[J-u-boot.git] / arch / arc / include / asm / cache.h

/*
 * Copyright (C) 2013-2014 Synopsys, Inc. All rights reserved.
 *
 * SPDX-License-Identifier:	GPL-2.0+
 */

#ifndef __ASM_ARC_CACHE_H
#define __ASM_ARC_CACHE_H

#include <config.h>

/*
 * As of today we may handle any L1 cache line length right in software.
 * For that essentially cache line length is a variable not constant.
 * And to satisfy users of ARCH_DMA_MINALIGN we just use largest line length
 * that may exist in either L1 or L2 (AKA SLC) caches on ARC.
 */
#define ARCH_DMA_MINALIGN	128

#if defined(ARC_MMU_ABSENT)
#define CONFIG_ARC_MMU_VER 0
#elif defined(CONFIG_ARC_MMU_V2)
#define CONFIG_ARC_MMU_VER 2
#elif defined(CONFIG_ARC_MMU_V3)
#define CONFIG_ARC_MMU_VER 3
#elif defined(CONFIG_ARC_MMU_V4)
#define CONFIG_ARC_MMU_VER 4
#endif

#ifndef __ASSEMBLY__

void cache_init(void);
void flush_n_invalidate_dcache_all(void);

#endif /* __ASSEMBLY__ */

#endif /* __ASM_ARC_CACHE_H */
Commit	Line	Data
288aaacf AB	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
379b3280 AB	12	/*
	13	* As of today we may handle any L1 cache line length right in software.
	14	* For that essentially cache line length is a variable not constant.
	15	* And to satisfy users of ARCH_DMA_MINALIGN we just use largest line length
	16	* that may exist in either L1 or L2 (AKA SLC) caches on ARC.
	17	*/
	18	#define ARCH_DMA_MINALIGN 128
288aaacf	19
f13606b7 AB	20	#if defined(ARC_MMU_ABSENT)
	21	#define CONFIG_ARC_MMU_VER 0
	22	#elif defined(CONFIG_ARC_MMU_V2)
812980bd AB	23	#define CONFIG_ARC_MMU_VER 2
	24	#elif defined(CONFIG_ARC_MMU_V3)
	25	#define CONFIG_ARC_MMU_VER 3
f13606b7 AB	26	#elif defined(CONFIG_ARC_MMU_V4)
f13606b7 AB	27	#define CONFIG_ARC_MMU_VER 4
812980bd AB	28	#endif
812980bd AB	29
6eb15e50 AB	30	#ifndef __ASSEMBLY__
6eb15e50 AB	31
ef639e6f	32	void cache_init(void);
c27814be	33	void flush_n_invalidate_dcache_all(void);
6eb15e50 AB	34
	35	#endif /* __ASSEMBLY__ */
	36
288aaacf	37	#endif /* __ASM_ARC_CACHE_H */