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

[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?

//Peter

Wired problems with Intel skylake based board

[Christian Gmeiner]

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...