Raspberry PI 4's boot loader require a little bit extra work. Here's some of the investigation notes I've done so far. https://github.com/jacobweinstock/dhcp/blob/proxydhcp-handler/option/rpi.go
On top of this, we'll need to provide RPI's with some non-Tinkerbell standard files (i.e. not ipxe.efi, undionly.pxe, or snp.efi)to initially netboot.
Raspberry PI 4's boot loader require a little bit extra work. Here's some of the investigation notes I've done so far. https://github.com/jacobweinstock/dhcp/blob/proxydhcp-handler/option/rpi.go On top of this, we'll need to provide RPI's with some non-Tinkerbell standard files (i.e. not ipxe.efi, undionly.pxe, or snp.efi)to initially netboot.