Originally Posted by h1uke
u-boot environment and supported commands:
Could you please check if issuing "setenv bootargs parameters" command before booting would change kernel cmdline? (environment variables in u-boot should last only until next reboot). Also, could you check what "bist fastboot" does? (if it'll appear to boot fastboot, then don't forget to connect usb cable in order to check if it works
) Those two things seems to be most interesting for me.
And now, thing not necessarily for you, but for everyone who can help - could someone prepare instructions for connecting PW with serial cable for someone who never did anything like that before? It's a disadvantage of owning only open devices - you can't learn how to obtain access to them, cause you have it since beginning