[S] Change in coreboot[main]: mb/google/rex: toggling NVMe PWR pin to reset SSD

[Jamie Ryu (Code Review)]

Attention is currently required from: Eran Mitrani, Ivy Jian, Jamie Ryu, Kapil Porwal, Subrata Banik, Tarun, Tarun Tuli.

Jamie Ryu has uploaded a new patch set (#3) to the change originally created by Wonkyu Kim. ( https://review.coreboot.org/c/coreboot/+/71221?usp=email )

Change subject: mb/google/rex: toggling NVMe PWR pin to reset SSD
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mb/google/rex: toggling NVMe PWR pin to reset SSD

During warm reboot, NVMe is not detected in non-serial image
while serial image is ok.  For preparing NVMe is fast, toggle
NVMe PWR pin as soon as early stage.

BUG=b:260547988
BRANCH=None
TEST= Try reboot from OS console and check boot to OS again

Signed-off-by: Wonkyu Kim 
Change-Id: I2f34e3f49e7fc388198ff85c8e119cb3f242a60e
---
M src/mainboard/google/rex/variants/rex0/gpio.c
1 file changed, 8 insertions(+), 3 deletions(-)

git pull ssh://review.coreboot.org:29418/coreboot refs/changes/21/71221/3