[coreboot-gerrit] Change in coreboot[master]: mb/google/asurada: early-init eMMC

[Wenbin Mei (Code Review)]

Attention is currently required from: Paul Menzel, Wenbin Mei.
Hello build bot (Jenkins),

I'd like you to reexamine a change. Please visit

https://review.coreboot.org/c/coreboot/+/51973

to look at the new patch set (#3).

Change subject: mb/google/asurada: early-init eMMC
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mb/google/asurada: early-init eMMC

Some eMMCs need 80+ms for CMD1 to complete. And the payload may need to
access eMMC in the very early stage (for example, Depthcharge needs it
20ms after started) so we have to start initialization in coreboot.
On Hayato Chromebook this can save ~100ms in total.

BUG=b:177389446
TEST=emerge-asurada coreboot
BRANCH=asurada

Signed-off-by: Wenbin Mei 
Change-Id: I2f58d203e969dc1a13a479d7dc63b1b162a9ae3f
---
M src/mainboard/google/asurada/mainboard.c
1 file changed, 6 insertions(+), 0 deletions(-)

git pull ssh://review.coreboot.org:29418/coreboot refs/changes/73/51973/3