I used to modify Jeffs script in order to install new uboots on a number of devices, my diffs can be found here http://forum.doozan.com/read.php?3,14697,16312#msg-16312 Recently I have made my own script based on the same ideas, but much simpler, just a way for me to quickly keep my kirkwoods up-to-date. It requires that you manually download the uboot images, and have the necessary flash-aby storepeter - Debian
Thank you for gettting sata working on the v4/mobile. I had to update the handfull device I have, so the easiest was to modify jeff old script. http://projects.doozan.com/uboot/install_uboot_mtd0.sh basicliy I just download ebbes kwb file if current uboot has the right md5sum, and avoid the checks in jeffs script. of course the changes would be even less, if ebbes firmware and its m5sumby storepeter - uBoot