esd common update
diff --git a/board/esd/common/auto_update.h b/board/esd/common/auto_update.h
new file mode 100644
index 0000000..e2af3c7
--- /dev/null
+++ b/board/esd/common/auto_update.h
@@ -0,0 +1,51 @@
+/*
+ * (C) Copyright 2004
+ * Stefan Roese, esd gmbh germany, stefan.roese@esd-electronics.com
+ *
+ * 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
+ */
+
+#ifndef _AUTO_UPDATE_H_
+#define _AUTO_UPDATE_H_
+
+#define MBR_MAGIC       0x07081967
+#define MBR_MAGIC_ADDR  0x100           /* offset 0x100 should be free space */
+
+#define AU_MAGIC_FILE   "__auto_update"
+
+#define AU_SCRIPT       1
+#define AU_FIRMWARE     2
+#define AU_NOR          3
+#define AU_NAND         4
+
+struct au_image_s {
+	char name[80];
+	ulong start;
+	ulong size;
+	int type;
+};
+
+typedef struct au_image_s au_image_t;
+
+int do_auto_update(void);
+#ifdef CONFIG_AUTO_UPDATE_SHOW
+void board_auto_update_show(int au_active);
+#endif
+
+#endif /* #ifndef _AUTO_UPDATE_H_ */