diff options
Diffstat (limited to 'arch/arc/include/asm/cache.h')
| -rw-r--r-- | arch/arc/include/asm/cache.h | 23 |
1 files changed, 15 insertions, 8 deletions
diff --git a/arch/arc/include/asm/cache.h b/arch/arc/include/asm/cache.h index 16e7568..8a77cd9 100644 --- a/arch/arc/include/asm/cache.h +++ b/arch/arc/include/asm/cache.h @@ -9,15 +9,22 @@ #include <config.h> -/* - * The current upper bound for ARC L1 data cache line sizes is 128 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 +#ifdef CONFIG_ARC_CACHE_LINE_SHIFT +#define CONFIG_SYS_CACHELINE_SIZE (1 << CONFIG_ARC_CACHE_LINE_SHIFT) +#define ARCH_DMA_MINALIGN CONFIG_SYS_CACHELINE_SIZE #else -#define ARCH_DMA_MINALIGN 128 +/* Satisfy users of ARCH_DMA_MINALIGN */ +#define ARCH_DMA_MINALIGN 128 +#endif + +#if defined(ARC_MMU_ABSENT) +#define CONFIG_ARC_MMU_VER 0 +#elif defined(CONFIG_ARC_MMU_V2) +#define CONFIG_ARC_MMU_VER 2 +#elif defined(CONFIG_ARC_MMU_V3) +#define CONFIG_ARC_MMU_VER 3 +#elif defined(CONFIG_ARC_MMU_V4) +#define CONFIG_ARC_MMU_VER 4 #endif #endif /* __ASM_ARC_CACHE_H */ |