summaryrefslogtreecommitdiff
path: root/arch/riscv/include/asm/cache.h
blob: ec8fe201d3c9ccd4b8421386db616410fdd66eb4 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
/* SPDX-License-Identifier: GPL-2.0+ */
/*
 * Copyright (C) 2017 Andes Technology Corporation
 * Rick Chen, Andes Technology Corporation <rick@andestech.com>
 */

#ifndef _ASM_RISCV_CACHE_H
#define _ASM_RISCV_CACHE_H

/* cache */
void	cache_flush(void);

/*
 * The current upper bound for RISCV L1 data cache line sizes is 32 bytes.
 * We use that value for aligning DMA buffers unless the board config has
 * specified an alternate cache line size.
 */
#ifdef CONFIG_SYS_CACHELINE_SIZE
#define ARCH_DMA_MINALIGN	CONFIG_SYS_CACHELINE_SIZE
#else
#define ARCH_DMA_MINALIGN	32
#endif

#endif /* _ASM_RISCV_CACHE_H */