xref: /OK3568_Linux_fs/kernel/arch/riscv/include/asm/cache.h (revision 4882a59341e53eb6f0b4789bf948001014eff981)
1*4882a593Smuzhiyun /* SPDX-License-Identifier: GPL-2.0-only */
2*4882a593Smuzhiyun /*
3*4882a593Smuzhiyun  * Copyright (C) 2017 Chen Liqin <liqin.chen@sunplusct.com>
4*4882a593Smuzhiyun  * Copyright (C) 2012 Regents of the University of California
5*4882a593Smuzhiyun  */
6*4882a593Smuzhiyun 
7*4882a593Smuzhiyun #ifndef _ASM_RISCV_CACHE_H
8*4882a593Smuzhiyun #define _ASM_RISCV_CACHE_H
9*4882a593Smuzhiyun 
10*4882a593Smuzhiyun #define L1_CACHE_SHIFT		6
11*4882a593Smuzhiyun 
12*4882a593Smuzhiyun #define L1_CACHE_BYTES		(1 << L1_CACHE_SHIFT)
13*4882a593Smuzhiyun 
14*4882a593Smuzhiyun /*
15*4882a593Smuzhiyun  * RISC-V requires the stack pointer to be 16-byte aligned, so ensure that
16*4882a593Smuzhiyun  * the flat loader aligns it accordingly.
17*4882a593Smuzhiyun  */
18*4882a593Smuzhiyun #ifndef CONFIG_MMU
19*4882a593Smuzhiyun #define ARCH_SLAB_MINALIGN	16
20*4882a593Smuzhiyun #endif
21*4882a593Smuzhiyun 
22*4882a593Smuzhiyun #endif /* _ASM_RISCV_CACHE_H */
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