[coreboot-gerrit] Change in coreboot[master]: mb/google/volteer: Enable TCSS DMA0 and DMA1 for Volteer

[John Zhao (Code Review)]

John Zhao has posted comments on this change. ( https://review.coreboot.org/c/coreboot/+/41387 )

Change subject: mb/google/volteer: Enable TCSS DMA0 and DMA1 for Volteer
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Patch Set 4:

(2 comments)
> Patch Set 4:
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> (1 comment)
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> Will you create another patch for handle this with

yes

https://review.coreboot.org/c/coreboot/+/41387/4/src/mainboard/google/voltee... 
File src/mainboard/google/volteer/variants/baseboard/devicetree.cb:

https://review.coreboot.org/c/coreboot/+/41387/4/src/mainboard/google/voltee... 
PS4, Line 140: TcssDma0En
> Can you let us know the plan for this? […]

I will drop the setting here. TcssDma0En will be based on 0d.2 on/off with another following patch.

https://review.coreboot.org/c/coreboot/+/41387/4/src/mainboard/google/voltee... 
PS4, Line 243: on
> Do we need this one enabled on volteer?  Only TCP0/TCP1 are in use which should be the two ports on  […]

There is implication for PM as TBT DMA1 is grouped together with TBT PCIe2 and PCIe3.