| /* 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 */ |