u-boot/arch/nios2/include/asm/cache.h

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/*
* (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_ */