target/linux/rb532/base-files/sbin/wget2nand

   1 #!/bin/sh
   2 # wget2nand
   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.
   6 # Licence GPL V2
   7 # Author david.goodenough@linkchoose.co.uk
   8 # Based on cf2nand from RB532 support
   9 . /etc/functions.sh
  10
  11 [ -d /tmp/wget2nand ] && {
  12         echo "/tmp/wget2nand already exists"
  13         exit 1
  14 }
  15
  16 # first get an address for br-lan using udhcpc
  17 killall udhcpc
  18 /sbin/udhcpc -i br-lan
  19
  20 # need to find the wget server from the command line
  21 url=$1
  22 [ -z "$url" ] && {
  23         echo "No URL specified for image TGZ"
  24         echo "Usage : $0 URL"
  25         exit 1
  26 }
  27
  28 boot="$(find_mtd_part 'Routerboard NAND Boot')"
  29 main="$(find_mtd_part 'rootfs')"
  30 [ -z "$boot" -o -z "$main" ] && {
  31         echo "Cannot find NAND Flash partitions"
  32         exit 1
  33 }
  34
  35 echo "Erasing filesystem."
  36 mtd erase Boot 2>/dev/null >/dev/null
  37 mtd erase Main 2>/dev/null >/dev/null
  38
  39 echo "Mounting $main as new root and $boot as boot partition"
  40
  41 mkdir /tmp/wget2nand/
  42 mkdir /tmp/wget2nand-boot
  43 mount -t yaffs2 "$main" /tmp/wget2nand/
  44 mount -t yaffs2 "$boot" /tmp/wget2nand-boot
  45
  46 echo "Copying filesystem..."
  47 ( wget -O - $url/openwrt-rb532-rootfs.tgz) | ( cd /tmp/wget2nand/; tar xvz )
  48 wget -O /tmp/wget2nand-boot/kernel $url/openwrt-rb532-vmlinux
  49
  50 # No need to patch the kernel, this was done during the build process
  51 chmod +x /tmp/wget2nand-boot/kernel
  52
  53 # make sure everything is written before we unmount the partitions
  54 echo "chmod ugo+x /" > /tmp/wget2nand/etc/uci-defaults/set_root_permission
  55 sync
  56 ls /tmp/wget2nand-boot/
  57 ls /tmp/wget2nand/
  58 # use kexec if present
  59 [ -x /usr/bin/kexec ] && {
  60         kexec -l /tmp/wget2nand-boot/kernel --command-line="$(cat /proc/cmdline) root=$main rootfstype=yaffs2 init=/etc/preinit"
  61         kexec -e
  62 }
  63
  64 # unmount the partitions and remove the directories into which they were mounted
  65 umount /tmp/wget2nand-boot
  66 umount /tmp/wget2nand
  67 rmdir /tmp/wget2nand-boot
  68 rmdir /tmp/wget2nand
  69
  70 # all done
  71 echo "Image written, you can now reboot.  Remember to change the boot source to Boot from Nand"