diff options
Diffstat (limited to 'arch/riscv/include/asm/cache.h')
| -rw-r--r-- | arch/riscv/include/asm/cache.h | 18 |
1 files changed, 18 insertions, 0 deletions
diff --git a/arch/riscv/include/asm/cache.h b/arch/riscv/include/asm/cache.h index 9b58b104559e..2174fe7bac9a 100644 --- a/arch/riscv/include/asm/cache.h +++ b/arch/riscv/include/asm/cache.h @@ -11,6 +11,11 @@ #define L1_CACHE_BYTES (1 << L1_CACHE_SHIFT) +#ifdef CONFIG_RISCV_DMA_NONCOHERENT +#define ARCH_DMA_MINALIGN L1_CACHE_BYTES +#define ARCH_KMALLOC_MINALIGN (8) +#endif + /* * RISC-V requires the stack pointer to be 16-byte aligned, so ensure that * the flat loader aligns it accordingly. @@ -19,4 +24,17 @@ #define ARCH_SLAB_MINALIGN 16 #endif +#ifndef __ASSEMBLY__ + +#ifdef CONFIG_RISCV_DMA_NONCOHERENT +extern int dma_cache_alignment; +#define dma_get_cache_alignment dma_get_cache_alignment +static inline int dma_get_cache_alignment(void) +{ + return dma_cache_alignment; +} +#endif + +#endif /* __ASSEMBLY__ */ + #endif /* _ASM_RISCV_CACHE_H */ |