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diff --git a/include/olioh1_reboot.h b/include/olioh1_reboot.h
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+++ b/include/olioh1_reboot.h
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+/*
+ * (C) Copyright 2014
+ * Chris Simmonds, 2net Ltd. chris@2net.co.uk
+ *
+ * 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
+ */
+
+/* Here we define an address in SRAM that can contain a flag to indicate
+ the reason for a reboot.
+
+ I chose an address 16 bytes from the end of SRAM in the hope that
+ nobody will clobber it between Linux reboot and U-Boot starting */
+#define REBOOT_REASON_PA 0x4030fff0
+
+#define REBOOT_FLAG_RECOVERY 0x52564352
+#define REBOOT_FLAG_FASTBOOT 0x54534146
+#define REBOOT_FLAG_NORMAL 0x4D524F4E
+#define REBOOT_FLAG_POWER_OFF 0x46464F50
+