blob: 87c9e0be42b5a248f8bbe0929a57e4ea5838311e [file] [log] [blame]
Anton Staaf3620f862011-10-17 16:46:12 -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 __X86_CACHE_H__
23#define __X86_CACHE_H__
24
25/*
26 * If CONFIG_SYS_CACHELINE_SIZE is defined use it for DMA alignment. Otherwise
27 * use 64-bytes, a safe default for x86.
28 */
29#ifdef CONFIG_SYS_CACHELINE_SIZE
30#define ARCH_DMA_MINALIGN CONFIG_SYS_CACHELINE_SIZE
31#else
32#define ARCH_DMA_MINALIGN 64
33#endif
34
35#endif /* __X86_CACHE_H__ */