Re: [coreboot] Wired problems with Intel skylake based board

[Nico Huber]

On 10/16/18 11:42 AM, Christian Gmeiner wrote:
> Am Di., 16. Okt. 2018 um 11:25 Uhr schrieb Peter Stuge :
> > Christian Gmeiner wrote:
> > > The system does not hang if I only change
> > > mem_cfg->PegDisableSpreadSpectrumClocking = 1;
> > >
> > > But it has no effect on the PCIe reference clock and it looks like
> > > spread spectrum is still used.
> >
> > AFAIK Peg refers to PCI Express Graphics. Maybe there's another,
> > per-port, setting?
>
> Could be but and the comment is about this variable is wrong:
> https://github.com/coreboot/coreboot/blob/f3122426b851b9ca009e501a8d8c60d062...

Why wrong? It just doesn't tell for what clock source it is. Or clock
input? even that's not clear to me. But I agree that it doesn't seem
to apply in your case. PEG is PCIe too, but not a feature of your
SKU, AFAICT.

Nico