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NOTE:  Wouter Cloetens shared links and information on taking serial connection and flashing OpenWRT image

Setting up Bootloader:

In serial console, press "Enter" key to get into u-boot prompt

Type "version" u-boot command to check the u-boot version

If the version found to be "U-Boot 2015.10-rc2", then type "reset" u-boot command. Then skip this section and move on to sub section(Setting default U-boot environment)

If version is other than U-Boot 2015.10-rc2, follow below steps (derived from https://wiki.debian.org/InstallingDebianOn/TurrisOmnia#Bootloader_update)

• Install a tftp server (eg. tftpd-hpa) on your computer and place the attached uboot-turris-omnia-spl.kwb file into your computer's tftp directory(eg. /srv/tftp/).

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Then, run the following commands at the u-boot prompt on Turris Omnia

dhcp
tftpboot 0x1000000 uboot-turris-omnia-spl.kwb
sf probe
sf update 0x1000000 0 $filesize

Setting default U-boot environment

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