[coreboot-gerrit] [S] Change in coreboot[main]: mb/trulo/var/uldrenite: Fix boot time caused by WWAN initialization

[John Su (Code Review)]

Attention is currently required from: Dinesh Gehlot, Dtrain Hsu, Eric Lai, Jayvik Desai, Nick Vaccaro, Subrata Banik.

John Su has posted comments on this change by John Su. ( https://review.coreboot.org/c/coreboot/+/86514?usp=email )

Change subject: mb/trulo/var/uldrenite: Fix boot time caused by WWAN initialization
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Patch Set 6:

(1 comment)

File src/mainboard/google/brya/variants/uldrenite/gpio.c:

https://review.coreboot.org/c/coreboot/+/86514/comment/45cfae23_60480d8c?usp... :
PS6, Line 236: 	/* F13 : NC ==> PLTRST_WWAN# */
             : 	PAD_CFG_GPO(GPP_F13, 1, DEEP),
> can u move this into romstage as well ? […]

RW350R power on seuqence:
DWWAN_EN (H23) -> 20ms -> WWAN_RST (F12)-> 30ms -> WWAN_PERST (F13)

So I can't move F13 to romstage because it requires a 30 ms delay.