3 # This script can be used to download a TGZ file from your build system which
4 # contains the files to be installed on the NAND flash on your RB1xx card.
5 # The one parameter is the URL of the TGZ file to be downloaded.
7 # Author david.goodenough@linkchoose.co.uk
8 # Based on cf2nand from RB532 support
11 wget2nand_dir=/tmp/wget2nand
12 mnt_kernel=$wget2nand_dir/mnt_kernel
13 mnt_rootfs=$wget2nand_dir/mnt_rootfs
14 src_rootfs=$wget2nand_dir/rootfs.tgz
15 src_kernel=$wget2nand_dir/kernel
17 [ -d "$wget2nand_dir" ] && {
18 echo "$wget2nand_dir already exists"
22 # need to find the wget server from the command line
25 echo "No URL specified for image TGZ"
30 url_kernel=$url/openwrt-ar71xx-vmlinux.elf
31 url_rootfs=$url/openwrt-ar71xx-rootfs.tgz
33 mtd_kernel="$(find_mtd_part 'kernel')"
34 mtd_rootfs="$(find_mtd_part 'rootfs')"
35 [ -z "$mtd_kernel" -o -z "$mtd_rootfs" ] && {
36 echo "Cannot find NAND Flash partitions"
40 # first get an address for br-lan using udhcpc
42 /sbin/udhcpc -i br-lan
44 mkdir "$wget2nand_dir"
45 wget $url_kernel -O "$src_kernel" || {
46 echo "Unable to download $url_kernel"
50 wget $url_rootfs -O "$src_rootfs" || {
51 echo "Unable to download $url_rootfs"
55 echo "Erasing filesystem..."
56 mtd erase kernel 2>/dev/null >/dev/null
57 mtd erase rootfs 2>/dev/null >/dev/null
59 echo "Mounting $mtd_rootfs as new root and $mtd_kernel as kernel partition"
63 mount -t yaffs2 "$mtd_kernel" "$mnt_kernel"
64 mount -t yaffs2 "$mtd_rootfs" "$mnt_rootfs"
66 echo "Copying kernel..."
67 cp $src_kernel $mnt_kernel/kernel
68 chmod +x $mnt_kernel/kernel
70 echo "Preparing filesystem..."
71 ( cd "$mnt_rootfs"; tar xvz -f "$src_rootfs" )
73 # make sure everything is written before we unmount the partitions
74 echo "chmod ugo+x /" > $mnt_rootfs/etc/uci-defaults/set_root_permission
76 ls $mnt_kernel >/dev/null
77 ls $mnt_rootfs >/dev/null
80 # unmount the partitions and remove the directories into which they were mounted
86 echo "Image written, you can now reboot. Remember to change the boot source to Boot from Nand"