[coreboot] Problems changing payload on Intel Leaf Hill

[Zoran Stojsavljevic]

> The vbt.dat (5kB) is need by GOP driver. But we haven’t done anything
with that yet.


Mario,


Your English is much better, as I remembered it. Way! ;-)


And from me the present/gift for/to the cause:
https://en.wikipedia.org/wiki/Coreboot/VBT


Zoran

On Mon, Nov 6, 2017 at 10:32 AM, Scheithauer, Mario <
Mario.Scheithauer at siemens.com> wrote:

> Hi all,
>
>
>
> > •        Are you able to boot Yocto with the current combination you
> have?
>
> We haven’t tested Yocto, but we can boot a Lubuntu.
>
> > Where did you obtain a VBIOS file?
>
> Intel provides the VBIOS in its MRx packages for the CRBs. You need to
> contact Intel for this.
>
> > •        Is it specifically VBIOS, or is it a VBT.dat file? Or are you
> running SeaVGABIOS?
>
> I think you need a complete VBIOS bxt_1003.dat (64kB) for SeaBios.
>
> The vbt.dat (5kB) is need by GOP driver. But we haven’t done anything with
> that yet.
>
>
>
> Mario
>
>
>
>
>
> *Von:* Tahnia Lichtenstein [mailto:unlich at gmail.com]
> *Gesendet:* Freitag, 3. November 2017 13:46
> *An:* Scheithauer, Mario (DF MC MTS R&D SWRT 4); coreboot at coreboot.org
>
> *Betreff:* Re: [coreboot] Problems changing payload on Intel Leaf Hill
>
>
>
> Hi Mario,
>
>
>
> Thank you very much for sharing, that already helps a lot!! I can spot
> quite a lot of differences to my own build settings.
>
>
>
> I've been pursuing a Grub2 payload in the meantime (no success so far),
> will now return to SeaBIOS and try and incorporate the necessary changes
> you suggested.
>
>
>
> Just a couple of questions so far:
>
>    - Are you able to boot Yocto with the current combination you have?
>    - I have all the blobs around coreboot, except the VBIOS... I have
>    tried all the options in https://www.coreboot.org/VGA_support, but I
>    suspect the reference bootloader images provided by Intel does not use a
>    VBIOS file. I also cannot find a suitable VBIOS on Intel's website. (By the
>    way, thanks for the FIT decomposition tip, I did not know this was
>    possible... I took great pains to find the correct blobs on Intel's
>    website, would have been much easier to just use FIT!) Where did you obtain
>    a VBIOS file?
>    - Is it specifically VBIOS, or is it a VBT.dat file? Or are you
>    running SeaVGABIOS?
>
> Many thanks again!
>
>
>
> Best regards,
>
> Tahnia
>
>
>
> On Fri, Nov 3, 2017 at 2:01 PM, Scheithauer, Mario <
> Mario.Scheithauer at siemens.com> wrote:
>
>
> Hi Cameron,
>
> > Did you modify the FSP blobs at all?
> Yes, we made some adjustments for our mainboard (mc_apl1).
> But they shouldn’t play a decisive role (power states, PCIe settings).
>
> > The reason I ask is that my coreboot build hangs in the FspSiliconInit().
> Then you will get pretty far.
> We are currently still using the MR2 FSP package for APL-I.
> As IFWI template we use the BIOS version v178.10 for the CRBs.
> These components are provided by Intel.
> That’s it. The CRB should boot with this combination.
>
> Mario
>
> > -----Ursprüngliche Nachricht-----
> > Von: Cameron Craig [mailto:Cameron.Craig at exterity.com]
> > Gesendet: Freitag, 3. November 2017 11:51
> > An: Scheithauer, Mario (DF MC MTS R&D SWRT 4); ahW at n
> > Cc: coreboot at coreboot.org
> > Betreff: Re: [coreboot] Problems changing payload on Intel Leaf Hill
>
> >
> > Hi Mario,
> >
> > I've been attempting to build coreboot(master) for the Leaf Hill CRB,
> with no
> > success so far.
> >
> > Did you modify the FSP blobs at all?
> > I had a look at your config, the filenames "FSP_MR2_M_ECC_MOD" caught my
> > eye.
> >
> > The reason I ask is that my coreboot build hangs in the FspSiliconInit().
> >
> > Cheers,
> > Cameron
> >
> >
> >
> > Cameron Craig | Graduate Software Engineer | Exterity Limited
> > tel: +44 1383 828 250 | fax:  | mobile:
> > e: Cameron.Craig at exterity.com | w: www.exterity.com
> >
> >
> >
> > ____________________________________________________________________
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