Andrei Warkentin has ported UEFI to OpenPOWER! Excerpt from readme:
TianoCore UEFI for OPAL/PowerNV (PPC64/PowerPC64 Little-Endian)
This is “UEFI” on top of OPAL firmware. “UEFI” because the specification doesn’t include PowerPC yet (ever?). At some point this experiment will implement reduced-hardware “ACPI” support, mapping the OPAL-based FDT into “ACPI” structures. “ACPI” because it’s also not specced out for PowerPC. It’s getting prototyped on top of QEMU and Skiboot (OPAL firmware).
Why? It’s thought experiment gone too far. In short, there’s IMO value in presenting a common firmware environment shared with other servers (X64, AARCH64). UEFI+ACPI keep the OEMs and IHVs in their comfort zone, and reduce pointless platform boot and configuration variance across different architectures. It also allows plug-in cards to work (assuming EBC ROMs). Petitboot is a nice idea in theory, but in practice it’s probably more suitable to embedded environments rather than whitebox servers that can compete with Intel boxes. UEFI gets us a bootloader environment and device drivers for I/O and booting via storage and networking. OPAL is the abstraction layer for the machine.
[…]
https://github.com/andreiw/ppc64le-edk2
http://osdevnotes.blogspot.com/
http://github.com/andreiw/ppc64le_hello
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