diff --git a/include/asm-h8300/cachectl.h b/include/asm-h8300/cachectl.h
new file mode 100644
index 0000000..c464022
--- /dev/null
+++ b/include/asm-h8300/cachectl.h
@@ -0,0 +1,14 @@
+#ifndef _H8300_CACHECTL_H
+#define _H8300_CACHECTL_H
+
+/* Definitions for the cacheflush system call.  */
+
+#define FLUSH_SCOPE_LINE    0	/* Flush a cache line */
+#define FLUSH_SCOPE_PAGE    0	/* Flush a page */
+#define FLUSH_SCOPE_ALL     0	/* Flush the whole cache -- superuser only */
+
+#define FLUSH_CACHE_DATA    0	/* Writeback and flush data cache */
+#define FLUSH_CACHE_INSN    0	/* Flush instruction cache */
+#define FLUSH_CACHE_BOTH    0	/* Flush both caches */
+
+#endif /* _H8300_CACHECTL_H */