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-rw-r--r--arch/m68k/include/asm/cache.h14
1 files changed, 14 insertions, 0 deletions
diff --git a/arch/m68k/include/asm/cache.h b/arch/m68k/include/asm/cache.h
new file mode 100644
index 000000000..9c06458f3
--- /dev/null
+++ b/arch/m68k/include/asm/cache.h
@@ -0,0 +1,14 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+/*
+ * include/asm-m68k/cache.h
+ */
+#ifndef __ARCH_M68K_CACHE_H
+#define __ARCH_M68K_CACHE_H
+
+/* bytes per L1 cache line */
+#define L1_CACHE_SHIFT 4
+#define L1_CACHE_BYTES (1<< L1_CACHE_SHIFT)
+
+#define ARCH_DMA_MINALIGN L1_CACHE_BYTES
+
+#endif