[coreboot-gerrit] Change in coreboot[master]: soc/amd/{cezanne,common}: Enable IOMMU PCIe Device

[Jason Glenesk (Code Review)]

Attention is currently required from: Raul Rangel, Marshall Dawson, Felix Held.
Jason Glenesk has posted comments on this change. ( https://review.coreboot.org/c/coreboot/+/55737 )

Change subject: soc/amd/{cezanne,common}: Enable IOMMU PCIe Device
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Patch Set 1:

(1 comment)

Patchset:

PS1:
> The iommu UPD seemed to write the IVRS table. I wasn't really sure what else it did though... […]

The way i'm understanding the plumbing, we might need to set this eventually. Some of these things are not active in fsp currently. I will create a sighting now to track items remaining for iommu enablement in fsp and if this is required, i can set it.