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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
wget2nand_dir=/tmp/wget2nand
mnt_kernel=$wget2nand_dir/mnt_kernel
mnt_rootfs=$wget2nand_dir/mnt_rootfs
src_rootfs=$wget2nand_dir/rootfs.tgz
src_kernel=$wget2nand_dir/kernel
[ -d "$wget2nand_dir" ] && {
echo "$wget2nand_dir already exists"
exit 1
}
# need to find the wget server from the command line
url=$1
[ -z "$url" ] && {
echo "No URL specified for image TGZ"
echo "Usage : $0 URL"
exit 1
}
url_kernel=$url/openwrt-ar71xx-vmlinux.elf
url_rootfs=$url/openwrt-ar71xx-rootfs.tgz
mtd_kernel="$(find_mtd_part 'kernel')"
mtd_rootfs="$(find_mtd_part 'rootfs')"
[ -z "$mtd_kernel" -o -z "$mtd_rootfs" ] && {
echo "Cannot find NAND Flash partitions"
exit 1
}
# first get an address for br-lan using udhcpc
killall udhcpc
/sbin/udhcpc -i br-lan
mkdir "$wget2nand_dir"
wget $url_kernel -O "$src_kernel" || {
echo "Unable to download $url_kernel"
exit 1
}
wget $url_rootfs -O "$src_rootfs" || {
echo "Unable to download $url_rootfs"
exit 1
}
echo "Erasing filesystem..."
mtd erase kernel 2>/dev/null >/dev/null
mtd erase rootfs 2>/dev/null >/dev/null
echo "Mounting $mtd_rootfs as new root and $mtd_kernel as kernel partition"
mkdir "$mnt_kernel"
mkdir "$mnt_rootfs"
mount -t yaffs2 "$mtd_kernel" "$mnt_kernel"
mount -t yaffs2 "$mtd_rootfs" "$mnt_rootfs"
echo "Copying kernel..."
cp $src_kernel $mnt_kernel/kernel
chmod +x $mnt_kernel/kernel
echo "Preparing filesystem..."
( cd "$mnt_rootfs"; tar xvz -f "$src_rootfs" )
# make sure everything is written before we unmount the partitions
echo "chmod ugo+x /" > $mnt_rootfs/etc/uci-defaults/set_root_permission
sync
ls $mnt_kernel >/dev/null
ls $mnt_rootfs >/dev/null
echo "Cleaning up..."
# unmount the partitions and remove the directories into which they were mounted
umount $mnt_kernel
umount $mnt_rootfs
rm -rf $wget2nand_dir
# all done
echo "Image written, you can now reboot. Remember to change the boot source to Boot from Nand"
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