2022-07-26
usual disclaimer: no one is responsible for any damage/loss by using this
First step:
enable alpine testing repository in /etc/apk/repositories
it should have this line:
https://dl-cdn.alpinelinux.org/alpine/edge/testing
run apk update
run apk add linux-asahi m1n1 u-boot-asahi
ensure that the ESP/UEFI partition is mounted under /boot/efi
run next script or create boot.bin manually
run /usr/sbin/update-u-boot-asahi