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-rw-r--r--arch/m68k/include/asm/cache.h10
1 files changed, 10 insertions, 0 deletions
diff --git a/arch/m68k/include/asm/cache.h b/arch/m68k/include/asm/cache.h
index 7c84e48..5c9bb30 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 */