linux_dsm_epyc7002/arch/nios2/include/asm/cache.h
Ley Foon Tan 93c91cb228 nios2: Cache handling
This patch adds functionality required for cache maintenance.

Signed-off-by: Ley Foon Tan <lftan@altera.com>
2014-12-08 12:55:54 +08:00

37 lines
1.1 KiB
C

/*
* Copyright (C) 2004 Microtronix Datacom Ltd.
*
* All rights reserved.
*
* 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, GOOD TITLE or
* NON INFRINGEMENT. See the GNU General Public License for more
* details.
*/
#ifndef _ASM_NIOS2_CACHE_H
#define _ASM_NIOS2_CACHE_H
#define NIOS2_DCACHE_SIZE CONFIG_NIOS2_DCACHE_SIZE
#define NIOS2_ICACHE_SIZE CONFIG_NIOS2_ICACHE_SIZE
#define NIOS2_DCACHE_LINE_SIZE CONFIG_NIOS2_DCACHE_LINE_SIZE
#define NIOS2_ICACHE_LINE_SHIFT 5
#define NIOS2_ICACHE_LINE_SIZE (1 << NIOS2_ICACHE_LINE_SHIFT)
/* bytes per L1 cache line */
#define L1_CACHE_SHIFT NIOS2_ICACHE_LINE_SHIFT
#define L1_CACHE_BYTES NIOS2_ICACHE_LINE_SIZE
#define ARCH_DMA_MINALIGN L1_CACHE_BYTES
#define __cacheline_aligned
#define ____cacheline_aligned
#endif