arch/sparc/include/asm/cache.h

   1 /*
   2  * (C) Copyright 2008,
   3  * Daniel Hellstrom, Gaisler Research, daniel@gaisler.com.
   4  *
   5  * See file CREDITS for list of people who contributed to this
   6  * project.
   7  *
   8  * This program is free software; you can redistribute it and/or
   9  * modify it under the terms of the GNU General Public License as
  10  * published by the Free Software Foundation; either version 2 of
  11  * the License, or (at your option) any later version.
  12  *
  13  * This program is distributed in the hope that it will be useful,
  14  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  15  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  16  * GNU General Public License for more details.
  17  *
  18  * You should have received a copy of the GNU General Public License
  19  * along with this program; if not, write to the Free Software
  20  * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
  21  * MA 02111-1307 USA
  22  *
  23  */
  24
  25 #ifndef __SPARC_CACHE_H__
  26 #define __SPARC_CACHE_H__
  27
  28 #include <linux/config.h>
  29 #include <asm/processor.h>
  30
  31 /*
  32  * If CONFIG_SYS_CACHELINE_SIZE is defined use it for DMA alignment.  Otherwise
  33  * use 32-bytes, the cacheline size for Sparc.
  34  */
  35 #ifdef CONFIG_SYS_CACHELINE_SIZE
  36 #define ARCH_DMA_MINALIGN       CONFIG_SYS_CACHELINE_SIZE
  37 #else
  38 #define ARCH_DMA_MINALIGN       32
  39 #endif
  40
  41 #endif