[coreboot] Re: Installing coreboot with SeaBIOS

[Nicholas]

On Sat, Nov 13, 2021 at 12:03 PM [e-mail]  wrote:
> Built lenovo/x220 (ThinkPad X220)
> ** WARNING **
> coreboot has been built without an Intel Firmware Descriptor.
> Never write a complete coreboot.rom without an IFD to your
> board's flash chip! You can use flashrom's IFD or layout
> parameters to flash only to the BIOS region.
>
> Obviously it accepted the Lenovo ThinkPad X220 mainboard settings but what does that warning mean? Is there something to do about it?

This warning just means you shouldn't flash the entire coreboot.rom
image to your motherboard. You can safely ignore it, as long as you
add the option "--ifd -i bios" when programming the bios flash chip
using flashrom and an external programmer.

Regards,
Nicholas