Install OpenWrt 12.09 on a Seagate Dockstar

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The Basic Procedure is this:

  1. Boot the Dockstar into a basic openwrt rescue environment
  2. Format the rootfs mtd partition
  3. mkfs, mount, and untar the openwrt rootfs onto it
  4. Reboot to the bootloader, install the kernel uImage
  5. Save your Environment
  6. Boot it

For reference, your nand partitions look like this:

dev:    size   erasesize  name
mtd0: 00100000 00020000 "u-boot"
mtd1: 00400000 00020000 "uImage"
mtd2: 07b00000 00020000 "rootfs"

Tftp Prep Work

First on the server, Prep the tftp stuff: (Adjust the location of your tftp root directory as needed)

cd /var/lib/tftpboot/

Put the Root filesystem on the nand

First set the right environment variables in Uboot via the console: (adjust your tftp server ip and ipaddr as needed)

setenv mainlineLinux yes
setenv arcNumber 2097
setenv serverip
setenv ipaddr
setenv bootargs console=ttyS0,115200

Now we are going to tftp over the ram based openwrt stuff:

tftp 0x2000000 openwrt-12.09-kirkwood-uImage-ramroot
bootm 0x2000000

In the Openwrt Ram Environment

Once you are at a shell on the dockstar, you are free to lay the groundwork for openwrt. The udhcpc in the beginning is to grab the image, by default openwrt is set to a static ip.

udhcpc -i br-lan 
cat /proc/partitions
mkdir /target
mtd erase mtd2
mount /dev/mtdblock2 /target -t jffs2
cd /target
tar xzvpf openwrt-kirkwood-rootfs.tar.gz
rm openwrt-kirkwood-rootfs.tar.gz
cd ..
umount /target

Now you can restart the Pogoplug/Dockstar gracefully, and get back to the uboot prompt for more.

Installing the Openwrt Kernel

Now tftp the uImage over and flash:

setenv serverip
setenv ipaddr
tftp 0x2000000 openwrt-kirkwood-uImage
nand erase 0x100000 0x116cc0
nand write.e 0x2000000 0x100000 0x116cc0
setenv bootargs console=ttyS0,115200 root=/dev/mtdblock2 rootfstype=jffs2 panic=10
setenv bootcmd 'nand read.e 0x2000000 0x100000 0x116cc0; bootm 0x2000000'
setenv mainlineLinux yes
setenv arcNumber 2097

Post Install Stuff (Optional)

You have room to grow on your openwrt, I recommend these packages to make you feel more comfortable:

opkg update
opkg install bash bash-completion e2fsprogs vim-full vim-runtime avahi-daemon openvpn kmod-leds-gpio kmod-usb2
/etc/init.d/avahi-daemon enable
sed -i 's/ash/bash/' /etc/inittab
sed -i 's/ash/bash/' /etc/passwd
opkg install procps --force-overwrite
rm /bin/ps
ln -s /usr/bin/ps /bin/ps
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