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Anton Staaf71c25632011-10-17 16:46:10 -07001/*
2 * Copyright (c) 2011 The Chromium OS Authors.
Anton Staaf71c25632011-10-17 16:46:10 -07003 *
Wolfgang Denkd79de1d2013-07-08 09:37:19 +02004 * SPDX-License-Identifier: GPL-2.0+
Anton Staaf71c25632011-10-17 16:46:10 -07005 */
6
7#ifndef __MICROBLAZE_CACHE_H__
8#define __MICROBLAZE_CACHE_H__
9
10/*
11 * The microblaze can have either a 4 or 16 byte cacheline depending on whether
12 * you are using OPB(4) or CacheLink(16). If the board config has not specified
13 * a cacheline size we assume the larger value of 16 bytes for DMA buffer
14 * alignment.
15 */
16#ifdef CONFIG_SYS_CACHELINE_SIZE
17#define ARCH_DMA_MINALIGN CONFIG_SYS_CACHELINE_SIZE
18#else
19#define ARCH_DMA_MINALIGN 16
20#endif
21
22#endif /* __MICROBLAZE_CACHE_H__ */