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#!/bin/sh
# wget2nand
# This script can be used to download a TGZ file from your build system which
# contains the files to be installed on the NAND flash on your RB1xx card.
# The one parameter is the URL of the TGZ file to be downloaded.
# Licence GPL V2
# Author david.goodenough@linkchoose.co.uk
# Based on cf2nand from RB532 support
. /etc/functions.sh
[ -d /tmp/wget2nand ] && {
echo "/tmp/wget2nand already exists"
exit 1
}
# first get an address for br-lan using udhcpc
killall udhcpc
/sbin/udhcpc -i br-lan
# need to find the wget server from the command line
url=$1
[ -z "$url" ] && {
echo "No URL specified for image TGZ"
echo "Usage : $0 URL"
exit 1
}
boot="$(find_mtd_part 'RouterBoard NAND Boot')"
main="$(find_mtd_part 'rootfs')"
[ -z "$boot" -o -z "$main" ] && {
echo "Cannot find NAND Flash partitions"
exit 1
}
echo "Erasing filesystem."
mtd erase Boot 2>/dev/null >/dev/null
mtd erase Main 2>/dev/null >/dev/null
echo "Mounting $main as new root and $boot as boot partition"
mkdir /tmp/wget2nand/
mkdir /tmp/wget2nand-boot
mount -t yaffs2 "$main" /tmp/wget2nand/
mount -t yaffs2 "$boot" /tmp/wget2nand-boot
echo "Copying filesystem..."
( wget -O - $url/openwrt-adm5120-2.6-rootfs.tgz) | ( cd /tmp/wget2nand/; tar xvz )
wget -O /tmp/wget2nand-boot/kernel $url/openwrt-adm5120-2.6-vmlinux.elf
# update the command line on the kernel to boot from the right place
[ ! -e /sbin/patch-cmdline ] && {
echo "Cannot find patch-cmdline"
exit 1
}
echo "Patching the kernel command line"
/sbin/patch-cmdline /tmp/wget2nand-boot/kernel "root=/dev/mtdblock1 rootfstype=yaffs2 init=/etc/preinit "
chmod +x /tmp/wget2nand-boot/kernel
# make sure everything is written before we unmount the partitions
echo "chmod ugo+x /" > /tmp/wget2nand/etc/uci-defaults/set_root_permission
sync
ls /tmp/wget2nand-boot/
ls /tmp/wget2nand/
# unmount the partitions and remove the directories into which they were mounted
umount /tmp/wget2nand-boot
umount /tmp/wget2nand
rmdir /tmp/wget2nand-boot
rmdir /tmp/wget2nand
# all done
echo "Image written, you can now reboot. Remember to change the boot source to Boot from Nand"
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