2 * Copyright (c) 2011 The Chromium OS Authors.
3 * See file CREDITS for list of people who contributed to this
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.
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.
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,
22 #ifndef __MICROBLAZE_CACHE_H__
23 #define __MICROBLAZE_CACHE_H__
26 * The microblaze can have either a 4 or 16 byte cacheline depending on whether
27 * you are using OPB(4) or CacheLink(16). If the board config has not specified
28 * a cacheline size we assume the larger value of 16 bytes for DMA buffer
31 #ifdef CONFIG_SYS_CACHELINE_SIZE
32 #define ARCH_DMA_MINALIGN CONFIG_SYS_CACHELINE_SIZE
34 #define ARCH_DMA_MINALIGN 16
37 #endif /* __MICROBLAZE_CACHE_H__ */