[people/ms/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>

/*
 * The current upper bound for ARC L1 data cache line sizes is 128 bytes.
 * We use that value for aligning DMA buffers unless the board config has
 * specified an alternate cache line size.
 */
#ifdef CONFIG_SYS_CACHELINE_SIZE
#define ARCH_DMA_MINALIGN	CONFIG_SYS_CACHELINE_SIZE
#else
#define ARCH_DMA_MINALIGN	128
#endif

#if defined(CONFIG_ARC_MMU_V2)
#define CONFIG_ARC_MMU_VER 2
#elif defined(CONFIG_ARC_MMU_V3)
#define CONFIG_ARC_MMU_VER 3
#endif

#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
	12	/*
	13	* The current upper bound for ARC L1 data cache line sizes is 128 bytes.
	14	* We use that value for aligning DMA buffers unless the board config has
	15	* specified an alternate cache line size.
	16	*/
	17	#ifdef CONFIG_SYS_CACHELINE_SIZE
	18	#define ARCH_DMA_MINALIGN CONFIG_SYS_CACHELINE_SIZE
	19	#else
	20	#define ARCH_DMA_MINALIGN 128
	21	#endif
	22
812980bd AB	23	#if defined(CONFIG_ARC_MMU_V2)
	24	#define CONFIG_ARC_MMU_VER 2
	25	#elif defined(CONFIG_ARC_MMU_V3)
	26	#define CONFIG_ARC_MMU_VER 3
	27	#endif
	28
288aaacf	29	#endif /* __ASM_ARC_CACHE_H */