diff --git a/include/asm-h8300/cacheflush.h b/include/asm-h8300/cacheflush.h
new file mode 100644
index 0000000..1e4d95b
--- /dev/null
+++ b/include/asm-h8300/cacheflush.h
@@ -0,0 +1,38 @@
+/*
+ * (C) Copyright 2002, Yoshinori Sato <ysato@users.sourceforge.jp>
+ */
+
+#ifndef _ASM_H8300_CACHEFLUSH_H
+#define _AMS_H8300_CACHEFLUSH_H
+
+/*
+ * Cache handling functions
+ * No Cache memory all dummy functions
+ */
+
+#define flush_cache_all()
+#define	flush_cache_mm(mm)
+#define	flush_cache_range(vma,a,b)
+#define	flush_cache_page(vma,p,pfn)
+#define	flush_dcache_page(page)
+#define	flush_dcache_mmap_lock(mapping)
+#define	flush_dcache_mmap_unlock(mapping)
+#define	flush_icache()
+#define	flush_icache_page(vma,page)
+#define	flush_icache_range(start,len)
+#define flush_cache_vmap(start, end)
+#define flush_cache_vunmap(start, end)
+#define	cache_push_v(vaddr,len)
+#define	cache_push(paddr,len)
+#define	cache_clear(paddr,len)
+
+#define	flush_dcache_range(a,b)
+
+#define	flush_icache_user_range(vma,page,addr,len)
+
+#define copy_to_user_page(vma, page, vaddr, dst, src, len) \
+	memcpy(dst, src, len)
+#define copy_from_user_page(vma, page, vaddr, dst, src, len) \
+	memcpy(dst, src, len)
+
+#endif /* _ASM_H8300_CACHEFLUSH_H */