hh5a install u-boot

hh5a-uboot-install.sh

#!/bin/sh

. /lib/functions.sh

CALDATA_TMP_FILE="/tmp/caldata.dd"
UBOOT_NANDSPL_FILE="/u-boot.ltq.lzo.nandspl"

echo ""
echo "This script will wipe your flash and install u-boot on your BT HH5A"
echo "WARNING: DO NOT CONTINUE unless you have backups!"
echo "         (see http://wiki.openwrt.org/toh/bt/homehub_v5a how to do that)"
echo ""
echo "Continue [y/N]?"

read START

if  [ "${START}" != "y" ]
then
	exit 0
fi

if [ ! -s "${UBOOT_NANDSPL_FILE}" ]
then
	echo "Could not find the u-boot installation file ${UBOOT_NANDSPL_FILE}" >&2
	exit 1
fi

UBOOT_PART=$(find_mtd_part "u-boot")
if [ -z "${UBOOT_PART}" ]; then
	echo "u-boot partition not found - are you running the install image?" >&2
	exit 1
fi

OFW_UBI_PART=$(find_mtd_part "ofw_ubi")
if [ -z "${OFW_UBI_PART}" ]; then
	echo "ofw_ubi partition not found - are you running the install image?" >&2
	exit 1
fi

TARGET_UBI_PART=$(find_mtd_part "ubi")
if [ -z "${TARGET_UBI_PART}" ]; then
	echo "ubi partition not found - are you running the install image?" >&2
	exit 1
fi

TARGET_CALDATA_PART=$(find_mtd_part "caldata")
if [ -z "${TARGET_CALDATA_PART}" ]; then
	echo "caldata partition not found - are you running the install image?" >&2
	exit 1
fi

NANDCHIP_PART=$(find_mtd_part "nand_chip")
if [ -z "${NANDCHIP_PART}" ]; then
	echo "caldatanand_chippartition not found - are you running the install image?" >&2
	exit 1
fi

ubidetach -m "${OFW_UBI_PART#*mtdblock}" &> /dev/null
ubidetach -m "${TARGET_UBI_PART#*mtdblock}" &> /dev/null

set -o pipefail

ubiattach -m "${OFW_UBI_PART#*mtdblock}"

dd if=/dev/ubi0_3 of="${CALDATA_TMP_FILE}"

if [ "$(ls -s "${CALDATA_TMP_FILE}" | sed "s/[^0-9]//g")" != "128" ]
then
	echo "The dumped caldata file has an incorrect size!" >&2
	exit 1
fi

md5sum "${CALDATA_TMP_FILE}"

ubidetach -m "${OFW_UBI_PART#*mtdblock}" &> /dev/null

echo ""
echo "Starting to install u-boot and caldata..."
echo "Please enter YESPLEASE to continue:"

read CONFIRMATION

if [ "${CONFIRMATION}" != "YESPLEASE" ]
then
	exit 0
fi

echo "DO NOT POWER OFF THE DEVICE!"
echo ""

echo "Erasing NAND chip..."
mtd erase "nand_chip"
echo "Flashing u-boot..."
mtd write "${UBOOT_NANDSPL_FILE}" "u-boot"
echo "Verifying u-boot..."
mtd verify "${UBOOT_NANDSPL_FILE}" "u-boot"
echo "Writing caldata..."
mtd write "${CALDATA_TMP_FILE}" "caldata"
echo "Verifying caldata..."
mtd verify "${CALDATA_TMP_FILE}" "caldata"
echo "Formatting new ubi partition..."
ubiformat "${TARGET_UBI_PART/block/}" -y
ubiattach -m "${TARGET_UBI_PART#*mtdblock}"

echo ""
echo "u-boot nstallation successful"
echo "Now run 'sysupgrade /tmp/openwrt-lantiq-xrx200-BTHOMEHUBV5A-ubifs-sysupgrade.tar' to install OpenWrt"
echo "Afterwards type 'reboot' and power-cycle your device"