diff options
Diffstat (limited to 'arch/m68k/include/asm')
| -rw-r--r-- | arch/m68k/include/asm/cache.h | 10 |
1 files changed, 10 insertions, 0 deletions
diff --git a/arch/m68k/include/asm/cache.h b/arch/m68k/include/asm/cache.h index 7c84e4847..5c9bb3083 100644 --- a/arch/m68k/include/asm/cache.h +++ b/arch/m68k/include/asm/cache.h @@ -207,4 +207,14 @@ void dcache_invalid(void); #endif +/* + * m68k uses 16 byte L1 data cache line sizes. Use this for DMA buffer + * alignment unless the board configuration has specified a new value. + */ +#ifdef CONFIG_SYS_CACHELINE_SIZE +#define ARCH_DMA_MINALIGN CONFIG_SYS_CACHELINE_SIZE +#else +#define ARCH_DMA_MINALIGN 16 +#endif + #endif /* __CACHE_H */ |