xref: /OK3568_Linux_fs/kernel/arch/nios2/include/asm/cache.h (revision 4882a59341e53eb6f0b4789bf948001014eff981)
1*4882a593Smuzhiyun /* SPDX-License-Identifier: GPL-2.0-or-later */
2*4882a593Smuzhiyun /*
3*4882a593Smuzhiyun  * Copyright (C) 2004 Microtronix Datacom Ltd.
4*4882a593Smuzhiyun  *
5*4882a593Smuzhiyun  * All rights reserved.
6*4882a593Smuzhiyun  */
7*4882a593Smuzhiyun 
8*4882a593Smuzhiyun #ifndef _ASM_NIOS2_CACHE_H
9*4882a593Smuzhiyun #define _ASM_NIOS2_CACHE_H
10*4882a593Smuzhiyun 
11*4882a593Smuzhiyun #define NIOS2_DCACHE_SIZE	CONFIG_NIOS2_DCACHE_SIZE
12*4882a593Smuzhiyun #define NIOS2_ICACHE_SIZE	CONFIG_NIOS2_ICACHE_SIZE
13*4882a593Smuzhiyun #define NIOS2_DCACHE_LINE_SIZE	CONFIG_NIOS2_DCACHE_LINE_SIZE
14*4882a593Smuzhiyun #define NIOS2_ICACHE_LINE_SHIFT	5
15*4882a593Smuzhiyun #define NIOS2_ICACHE_LINE_SIZE	(1 << NIOS2_ICACHE_LINE_SHIFT)
16*4882a593Smuzhiyun 
17*4882a593Smuzhiyun /* bytes per L1 cache line */
18*4882a593Smuzhiyun #define L1_CACHE_SHIFT		NIOS2_ICACHE_LINE_SHIFT
19*4882a593Smuzhiyun #define L1_CACHE_BYTES		NIOS2_ICACHE_LINE_SIZE
20*4882a593Smuzhiyun 
21*4882a593Smuzhiyun #define ARCH_DMA_MINALIGN	L1_CACHE_BYTES
22*4882a593Smuzhiyun 
23*4882a593Smuzhiyun #define __cacheline_aligned
24*4882a593Smuzhiyun #define ____cacheline_aligned
25*4882a593Smuzhiyun 
26*4882a593Smuzhiyun #endif
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