xref: /OK3568_Linux_fs/kernel/arch/hexagon/include/asm/cache.h (revision 4882a59341e53eb6f0b4789bf948001014eff981)
1*4882a593Smuzhiyun /* SPDX-License-Identifier: GPL-2.0-only */
2*4882a593Smuzhiyun /*
3*4882a593Smuzhiyun  * Cache definitions for the Hexagon architecture
4*4882a593Smuzhiyun  *
5*4882a593Smuzhiyun  * Copyright (c) 2010-2011,2014 The Linux Foundation. All rights reserved.
6*4882a593Smuzhiyun  */
7*4882a593Smuzhiyun 
8*4882a593Smuzhiyun #ifndef __ASM_CACHE_H
9*4882a593Smuzhiyun #define __ASM_CACHE_H
10*4882a593Smuzhiyun 
11*4882a593Smuzhiyun /* Bytes per L1 cache line */
12*4882a593Smuzhiyun #define L1_CACHE_SHIFT		(5)
13*4882a593Smuzhiyun #define L1_CACHE_BYTES		(1 << L1_CACHE_SHIFT)
14*4882a593Smuzhiyun 
15*4882a593Smuzhiyun #define ARCH_DMA_MINALIGN	L1_CACHE_BYTES
16*4882a593Smuzhiyun 
17*4882a593Smuzhiyun #define __cacheline_aligned	__aligned(L1_CACHE_BYTES)
18*4882a593Smuzhiyun #define ____cacheline_aligned	__aligned(L1_CACHE_BYTES)
19*4882a593Smuzhiyun 
20*4882a593Smuzhiyun /* See http://lwn.net/Articles/262554/ */
21*4882a593Smuzhiyun #define __read_mostly
22*4882a593Smuzhiyun 
23*4882a593Smuzhiyun #endif
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