Add to /etc/pacman.conf:
[damfle] Server = https://damfle.github.io/archlinux-packages/$repo/$arch SigLevel = Optional TrustAll
mkinitcpio-sd-zfs-poscat-0.1-1-any.pkg.tar.zst
uboot-rk1-2025.01-1-aarch64.pkg.tar.zst
zfs-dkms-2.3.4-1-any.pkg.tar.zst