uboot/u-boot-stm32mp-2020.01/arch/riscv/include/asm/cache.h

25 lines
614 B
C
Raw Permalink Normal View History

2024-01-10 06:52:34 +00:00
/* 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 */