I hope you know about this?
https://wiki.pine64.org/index.php/Pinebook_Pro_SPI
Knock wood,, I have managed to NOT brick my pbp other than needing an extra long press 3 occasions
It really does not like a64 uSD,,,, and netBSD current,, I think maybe an EFI boot
something else, I forget
--edit--
It is possible that you may have to run rkdeveloptool as root/sudo, I don't know
You know, I hope, that up arrow recalls previous commands? So you only have to type once
https://wiki.pine64.org/index.php/Pinebook_Pro_SPI
Knock wood,, I have managed to NOT brick my pbp other than needing an extra long press 3 occasions
It really does not like a64 uSD,,,, and netBSD current,, I think maybe an EFI boot
something else, I forget
--edit--
It is possible that you may have to run rkdeveloptool as root/sudo, I don't know
You know, I hope, that up arrow recalls previous commands? So you only have to type once