uboot-vybrid_public/arch/nios2/include/asm/cache.h

/*
 * (C) Copyright 2004, Psyent Corporation <www.psyent.com>
 * Scott McNutt <smcnutt@psyent.com>
 *
 * See file CREDITS for list of people who contributed to this
 * project.
 *
 * This program is free software; you can redistribute it and/or
 * modify it under the terms of the GNU General Public License as
 * published by the Free Software Foundation; either version 2 of
 * the License, or (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program; if not, write to the Free Software
 * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
 * MA 02111-1307 USA
 */

#ifndef __ASM_NIOS2_CACHE_H_
#define __ASM_NIOS2_CACHE_H_

extern void flush_dcache (unsigned long start, unsigned long size);
extern void flush_icache (unsigned long start, unsigned long size);

/*
 * Valid L1 data cache line sizes for the NIOS2 architecture are 4, 16, and 32
 * bytes.  If the board configuration has not specified one we default to the
 * largest of these values for alignment of DMA buffers.
 */
#ifdef CONFIG_SYS_CACHELINE_SIZE
#define ARCH_DMA_MINALIGN	CONFIG_SYS_CACHELINE_SIZE
#else
#define ARCH_DMA_MINALIGN	32
#endif

#endif /* __ASM_NIOS2_CACHE_H_ */