> no clue if there's a project to reimplement that There was! And it even booted Linux in some capacity: https://github.com/christinaa/rpi-open-firmware https:

> no clue if there's a project to reimplement that There was! And it even booted Linux in some capacity: https://github.com/christinaa/rpi-open-firmware https://github.com/christinaa/rpi-open-firmware > every chip is very different from one another Eh, the usual embedded SoCs are not that different from each other — ARM GIC, ARM timer, lots of Synopsys Designware crap for SDMMC/XHCI/PCIe/etc. For many SoCs it's totally feasible to make standards-compliant firmware, e.g. for the Rockchip RK3566 there is https://github.com/jaredmcneill/quartz64_uefi https://github.com/jaredmcneill/quartz64_uefi And SoCs from the networking world (Marvell, NXP) are typically supported by upstream EDK2.