[coreboot-gerrit] [M] Change in coreboot[main]: mb/google/brox: Add support for batteryless booting

[Shelley Chen (Code Review)]

Attention is currently required from: Angel Pons, Deepti Deshatty, Karthik Ramasubramanian, Paul Menzel.

Shelley Chen has posted comments on this change by Shelley Chen. ( https://review.coreboot.org/c/coreboot/+/83087?usp=email )

Change subject: mb/google/brox: Add support for batteryless booting
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Patch Set 4:

(1 comment)

File src/mainboard/google/brox/variants/baseboard/brox/ramstage.c:

https://review.coreboot.org/c/coreboot/+/83087/comment/e1b5a73f_0ee0200c?usp... :
PS4, Line 102: 54    |  56
> Are these correct? They come out to be 94 and 96 for 86% efficiency of 110 W.

Yes, when the adapter is very high we don't need to set the PsysPL2 and PL4 values as high as the power consumption of the processor will never get that high.  It leaves more power for the rest of the system.