blob: 5406d5d46a3bb91ccf4072477d817e812b48f5b1 [file] [log] [blame]
Anton Staaf72d4dd42011-10-17 16:46:11 -07001/*
2 * Copyright (c) 2011 The Chromium OS Authors.
3 * See file CREDITS for list of people who contributed to this
4 * project.
5 *
6 * This program is free software; you can redistribute it and/or
7 * modify it under the terms of the GNU General Public License as
8 * published by the Free Software Foundation; either version 2 of
9 * the License, or (at your option) any later version.
10 *
11 * This program is distributed in the hope that it will be useful,
12 * but WITHOUT ANY WARRANTY; without even the implied warranty of
13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14 * GNU General Public License for more details.
15 *
16 * You should have received a copy of the GNU General Public License
17 * along with this program; if not, write to the Free Software
18 * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
19 * MA 02111-1307 USA
20 */
21
22#ifndef __MIPS_CACHE_H__
23#define __MIPS_CACHE_H__
24
25/*
26 * The maximum L1 data cache line size on MIPS seems to be 128 bytes. We use
27 * that as a default for aligning DMA buffers unless the board config has
28 * specified another cache line size.
29 */
30#ifdef CONFIG_SYS_CACHELINE_SIZE
31#define ARCH_DMA_MINALIGN CONFIG_SYS_CACHELINE_SIZE
32#else
33#define ARCH_DMA_MINALIGN 128
34#endif
35
36#endif /* __MIPS_CACHE_H__ */