[coreboot] Source code for "Intel Firmware"
veredz72 at gmail.com
Sat Oct 6 19:36:00 CEST 2018
Thank you very much for the information.
On Sat, Oct 6, 2018 at 6:18 PM Nico Huber <nico.h at gmx.de> wrote:
> On 10/6/18 2:46 PM, Zvi Vered wrote:
> > Hello Nathaniel, Nico,
> > Thank you very much for the detailed answers.
> > The vendor's bin file starts with the following pattern:
> > 00000000: FFFFFFFF FFFFFFFF FFFFFFFF FFFFFFFF
> > 00000010: 5AA5F00F 03000402 0602100B 20002100
> > Can you confirm that this is the start of IFD ?
> Yes, it is (at least the first 20B are distinctive).
> There is not much public documentation about it ( is all I know)
> but you might find something less public with Google . There's also
> a lot of open-source code of programs that can parse it . Code
> is usually more accurate than documentation but it explains less about
> the configuration bits. You'll have to ask Intel for the SPI Program-
> ming Guide for your particular platform if you want to fully under-
> stand it and craft your own.
>  "Intel" "SPI" "Programming Guide" *cough
>  https://review.coreboot.org/cgit/flashrom.git/tree/ich_descriptors.c
>  https://review.coreboot.org/cgit/coreboot.git/tree/util/ifdtool/
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