Early-boot serial output from my MNT Reform laptop:
Any u-boot experts around who can suggest where I start learning what the hell u-boot is?
@khm 1st paragraph of README at https://source.denx.de/u-boot/u-boot describes pretty well what u-boot is (warning: gitlab)
"I appreciate SDF but it's a general-purpose server and the name doesn't make it obvious that it's about art." - Eugen Rochko