[coreboot-gerrit] Change in coreboot[master]: [WIP]soc/intel/cfl: Try to enable Intel DCI

[Michael Niewöhner (Code Review)]

Michael Niewöhner has posted comments on this change. ( https://review.coreboot.org/c/coreboot/+/39692 )

Change subject: [WIP]soc/intel/cfl: Try to enable Intel DCI
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Patch Set 3:
> Patch Set 3:
>
> This was tested successfully with "Intel System Debugger Target Indicator" on X11SSM-F:
> DCI needs to be enabled in IFD
> UPDs PchDciEn=1 (missing here), XdciEnable=1 (done in this change)
> you are required to used USB3 port 0 or 1 (don't remember which one it was)

- dbc must be enabled on the debugger system: echo enabled | sudo tee /sys/devices/pci0000:00/0000:00:14.0/dbc