summaryrefslogtreecommitdiff
path: root/arch/riscv/include/asm/cache.h
blob: d3036df23ccbba79830dbd37528ea8c937743e8d (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
25
26
/* SPDX-License-Identifier: GPL-2.0-only */
/*
 * Copyright (C) 2017 Chen Liqin <liqin.chen@sunplusct.com>
 * Copyright (C) 2012 Regents of the University of California
 */

#ifndef _ASM_RISCV_CACHE_H
#define _ASM_RISCV_CACHE_H

#define L1_CACHE_SHIFT		6

#define L1_CACHE_BYTES		(1 << L1_CACHE_SHIFT)

#ifdef CONFIG_RISCV_DMA_NONCOHERENT
#define ARCH_DMA_MINALIGN L1_CACHE_BYTES
#endif

/*
 * RISC-V requires the stack pointer to be 16-byte aligned, so ensure that
 * the flat loader aligns it accordingly.
 */
#ifndef CONFIG_MMU
#define ARCH_SLAB_MINALIGN	16
#endif

#endif /* _ASM_RISCV_CACHE_H */