Get the latest and tested device tree for APX boot. It does not include tCover, which is EFI only right now.
As we bypass all the firmware with APX boot, someone needs to setup memory and chainload linux. We are using U-Boot for this purpose.
Build a working linux kernel for APX. The instructinos are fully tested.
Linux without any rootfilesystem is useless for the end-user. Get instructions on how to get one.
Fusée Gelée is the exploit used to bypass the security checks for APX mode. Get information on how to execute the exploit in order to boot linux.
Booting linux with APX mode is rather complicated. You can find a little summary and final instructions here: