Add missing Blackfin files.
diff --git a/lib_blackfin/cache.c b/lib_blackfin/cache.c
new file mode 100644
index 0000000..4213b86
--- /dev/null
+++ b/lib_blackfin/cache.c
@@ -0,0 +1,41 @@
+/*
+ * U-boot - cache.c
+ *
+ * Copyright (c) 2005 blackfin.uclinux.org
+ *
+ * (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, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
+ * MA 02111-1307 USA
+ */
+
+/* for now: just dummy functions to satisfy the linker */
+extern void blackfin_icache_range(unsigned long *,unsigned long *);
+extern void blackfin_dcache_range(unsigned long *,unsigned long *);
+void flush_cache(unsigned long dummy1, unsigned long dummy2)
+{
+ if(icache_status()){
+ blackfin_icache_flush_range(dummy1,dummy1+dummy2);
+ }
+ if(dcache_status()){
+ blackfin_dcache_flush_range(dummy1,dummy1+dummy2);
+ }
+ return;
+}
+