diff --git a/lib_blackfin/bf533_string.c b/lib_blackfin/bf533_string.c
index 4bc4e3c..1553f1b 100644
--- a/lib_blackfin/bf533_string.c
+++ b/lib_blackfin/bf533_string.c
@@ -30,12 +30,7 @@
 #include <config.h>
 #include <asm/blackfin.h>
 #include <asm/io.h>
-
-extern void blackfin_icache_flush_range(const void *, const void *);
-extern void blackfin_dcache_flush_range(const void *, const void *);
-extern void *memcpy_ASM(void *dest, const void *src, size_t count);
-
-void *dma_memcpy(void *, const void *, size_t);
+#include "cache.h"
 
 char *strcpy(char *dest, const char *src)
 {
@@ -117,44 +112,7 @@
 	return __res1;
 }
 
-/*
- * memcpy - Copy one area of memory to another
- * @dest: Where to copy to
- * @src: Where to copy from
- * @count: The size of the area.
- *
- * You should not use this function to access IO space, use memcpy_toio()
- * or memcpy_fromio() instead.
- */
-void *memcpy(void *dest, const void *src, size_t count)
-{
-	char *tmp = (char *)dest, *s = (char *)src;
-
-	/* L1_ISRAM can only be accessed via dma */
-	if ((tmp >= (char *)L1_ISRAM) && (tmp < (char *)L1_ISRAM_END)) {
-		/* L1 is the destination */
-		dma_memcpy(dest, src, count);
-
-		if (icache_status()) {
-			blackfin_icache_flush_range(src, src + count);
-		}
-	} else if ((s >= (char *)L1_ISRAM) && (s < (char *)L1_ISRAM_END)) {
-		/* L1 is the source */
-		dma_memcpy(dest, src, count);
-
-		if (icache_status()) {
-			blackfin_icache_flush_range(dest, dest + count);
-		}
-		if (dcache_status()) {
-			blackfin_dcache_flush_range(dest, dest + count);
-		}
-	} else {
-		memcpy_ASM(dest, src, count);
-	}
-	return dest;
-}
-
-void *dma_memcpy(void *dest, const void *src, size_t count)
+static void *dma_memcpy(void *dest, const void *src, size_t count)
 {
 	*pMDMA_D0_IRQ_STATUS = DMA_DONE | DMA_ERR;
 
@@ -188,3 +146,40 @@
 	src += count;
 	return dest;
 }
+
+/*
+ * memcpy - Copy one area of memory to another
+ * @dest: Where to copy to
+ * @src: Where to copy from
+ * @count: The size of the area.
+ *
+ * You should not use this function to access IO space, use memcpy_toio()
+ * or memcpy_fromio() instead.
+ */
+extern void *memcpy_ASM(void *dest, const void *src, size_t count);
+void *memcpy(void *dest, const void *src, size_t count)
+{
+	char *tmp = (char *) dest, *s = (char *) src;
+
+	if (dcache_status()) {
+		blackfin_dcache_flush_range(src, src+count);
+	}
+	/* L1_ISRAM can only be accessed via dma */
+	if ((tmp >= (char *)L1_ISRAM) && (tmp < (char *)L1_ISRAM_END)) {
+		/* L1 is the destination */
+		dma_memcpy(dest,src,count);
+	} else if ((s >= (char *)L1_ISRAM) && (s < (char *)L1_ISRAM_END)) {
+		/* L1 is the source */
+		dma_memcpy(dest,src,count);
+
+		if (icache_status()) {
+			blackfin_icache_flush_range(dest, dest+count);
+		}
+		if (dcache_status()) {
+			blackfin_dcache_invalidate_range(dest, dest+count);
+		}
+	} else {
+		memcpy_ASM(dest,src,count);
+	}
+	return dest;
+}
diff --git a/lib_blackfin/cache.c b/lib_blackfin/cache.c
index 6c3c17b..9d71bcb 100644
--- a/lib_blackfin/cache.c
+++ b/lib_blackfin/cache.c
@@ -29,9 +29,7 @@
 #include <config.h>
 #include <common.h>
 #include <asm/blackfin.h>
-
-extern void blackfin_icache_flush_range(unsigned long, unsigned long);
-extern void blackfin_dcache_flush_range(unsigned long, unsigned long);
+#include "cache.h"
 
 void flush_cache(unsigned long dummy1, unsigned long dummy2)
 {
@@ -43,9 +41,9 @@
 		return;
 
 	if (icache_status())
-		blackfin_icache_flush_range(dummy1, dummy1 + dummy2);
+		blackfin_icache_flush_range((void*)dummy1, (void*)(dummy1 + dummy2));
 	if (dcache_status())
-		blackfin_dcache_flush_range(dummy1, dummy1 + dummy2);
+		blackfin_dcache_flush_range((void*)dummy1, (void*)(dummy1 + dummy2));
 
 	return;
 }
diff --git a/lib_blackfin/cache.h b/lib_blackfin/cache.h
new file mode 100644
index 0000000..3ea6809
--- /dev/null
+++ b/lib_blackfin/cache.h
@@ -0,0 +1,35 @@
+/*
+ * U-boot - prototypes for cache handling functions.
+ *
+ * Copyright (c) 2005-2007 Analog Devices Inc.
+ *
+ * (C) Copyright 2000-2004
+ * Wolfgang Denk, DENX Software Engineering, wd@denx.de.
+ *
+ * See file CREDITS for list of people who contributed to this
+ * project.
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, see the file COPYING, or write
+ * to the Free Software Foundation, Inc.,
+ * 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
+ */
+
+#ifndef _LIB_BLACKFIN_CACHE_H_
+#define _LIB_BLACKFIN_CACHE_H_
+
+extern void blackfin_icache_flush_range(const void *, const void *);
+extern void blackfin_dcache_flush_range(const void *, const void *);
+extern void blackfin_dcache_invalidate_range(const void *, const void *);
+
+#endif