Ultimately resolved via a different method as described here: 4C_plus no running OS?
(no u-boot, but simply deleting rootfs from an sd card with the image on it will lead to it being able to boot from the connected usb storage)
Ultimately resolved via a different method as described here: 4C_plus no running OS?
(no u-boot, but simply deleting rootfs from an sd card with the image on it will lead to it being able to boot from the connected usb storage)