[coreboot] Building coreboot for Apollo Lake: missing 'IFWI' region

Nico Huber nico.h at gmx.de
Tue May 29 10:24:44 CEST 2018


Hello Hal,

On 28.05.2018 08:06, Hal Martin wrote:
> Name                           Offset     Type           Size   Comp
> ...
> cpu_microcode_blob.bin         0x6f00     microcode           0 none

The size looks troubling, I think you really need the correct microcode
binary to get into coreboot. Make 100% sure it matches your SKU.

> Is it expected that ifwitool will not work on the coreboot generated image?
> Or does this indicate I've made a mistake somewhere?

I'm not sure. I'd extract the bios/ifwi region using ifdtool and try to
run ifwitool on that.

Nico



More information about the coreboot mailing list