--- elwix/config/etc/uboot/rc.cfg	2014/01/27 22:19:40	1.1.2.6
+++ elwix/config/etc/uboot/rc.cfg	2017/02/13 16:52:47	1.3
@@ -2,17 +2,21 @@
 #
 # U-boot cfg nand map load/save management script
 #
-# $Id: rc.cfg,v 1.1.2.6 2014/01/27 22:19:40 misho Exp $
+# $Id: rc.cfg,v 1.3 2017/02/13 16:52:47 misho Exp $
 
 CFG_NAND_LIST="/etc/cfg.map"
 CFG_NAND_MAP="/dev/map/cfg"
 CFG_NAND_SIZE=65536
 
-cd ${2:-.}
+UPGRADE_GPIO_PINS="8 6 7"
 
+ELWIX_CFG_BACKUP_NAME="elwix_cfg_$(hostname).bin"
+
+cd ${2:-/etc}
+
 case "$1" in
 	load)
-		dd if=${CFG_NAND_MAP} bs=${CFG_NAND_SIZE} 2>&- | \
+		imgupd -gs ${CFG_NAND_SIZE} -f ${CFG_NAND_MAP} | \
 		      gunzip 2>&- | cpio -iud 2>&- || exit 1
 		;;
 	save)
@@ -27,16 +31,45 @@ case "$1" in
 
 		sed -nE -e 's/^ *([^ #]+) */\1/p' < ${CFG_NAND_LIST} | xargs find | \
 			cpio -o | gzip -9 | \
-			dd of=${CFG_NAND_MAP} bs=${CFG_NAND_SIZE} count=1 conv=sync \
-				2>&- || exit 1
+			imgupd -is ${CFG_NAND_SIZE} -f ${CFG_NAND_MAP} || exit 1
 		;;
 	erase)
-		dd if=/dev/zero of=${CFG_NAND_MAP} bs=${CFG_NAND_SIZE} count=1 \
-			conv=sync 2>&- || exit 1
+		imgupd -is ${CFG_NAND_SIZE} -f ${CFG_NAND_MAP} /dev/zero || exit 1
                 echo "Config NAND was erased!"
 		;;
+	restore)
+		ELWIX_REMOTE_HOST=`cat /etc/myelwix`
+		ping -c1 $(echo ${ELWIX_REMOTE_HOST} | cut -f3 -d '/' | cut -f2 -d '@') >/dev/null 2>&1
+		if [ $? -ne 0 ]; then
+			echo "ELWIX restore from host ${ELWIX_REMOTE_HOST} failed!!!"
+			exit 1
+		fi
+
+		echo "ELWIX starting restore process from ${ELWIX_REMOTE_HOST}"
+		fetch -q -o- --user-agent=ELWIX_Restore --allow-sslv2 \
+			--no-verify-peer --no-verify-hostname \
+			${ELWIX_REMOTE_HOST}/${ELWIX_CFG_BACKUP_NAME} | \
+			imgupd -R -is ${CFG_NAND_SIZE} -f ${CFG_NAND_MAP} || exit 1
+		echo "ELWIX restore process complete. Now rebooting system ..."
+		;;
+	backup)
+		ELWIX_REMOTE_HOST="/tmp/${ELWIX_CFG_BACKUP_NAME}"
+
+		echo "ELWIX starting backup process to ${ELWIX_REMOTE_HOST}"
+		imgupd -gs ${CFG_NAND_SIZE} -f ${CFG_NAND_MAP} ${ELWIX_REMOTE_HOST} || exit 1
+		echo "ELWIX backup process complete."
+		;;
+	upgrade)
+		echo "ELWIX switch to upgrade mode. Starting TFTPd ..."
+		echo " You can upload now elwix_firmware.bin image to device with \"firmware\" name!!!"
+		echo "  Example: put elwix_firmware.bin firmware"
+		for i in ${UPGRADE_GPIO_PINS}; do
+			gpioctl $i 1 >/dev/null 2>&1
+		done
+		TFTPd -wR
+		;;
 	*)
-		echo "Missing parameter - available options are (load | save | erase)"
+		echo "Missing parameter - available options are (load | save | erase | backup | restore | upgrade)"
 		;;
 esac