[coreboot-gerrit] Change in coreboot[master]: mediatek/mt8183: Init SPM driver

[Yu-Ping Wu (Code Review)]

Yu-Ping Wu has uploaded a new patch set (#26) to the change originally created by DAWEI CHIEN. ( https://review.coreboot.org/c/coreboot/+/34545 )

Change subject: mediatek/mt8183: Init SPM driver
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mediatek/mt8183: Init SPM driver

For mt8133 power saving during suspend to ram,
this patch supports SPM suspend and loading SPM firmware.
SPM needs its own firmware to do these power-save in the right
time with correct condition.
After linux PM suspends, SPM could turn off power for the last CPU and
do more power-save for SoC such as DRAM self-refresh mode and
turning off 26M crystal.

BUG=none
BRANCH=none
TEST=suspend/resume pass for LPDDR4 3200

Change-Id: I3393a772f025b0912a5a25a63a87512454fbc86e
Signed-off-by: Dawei Chien 
---
M src/mainboard/google/kukui/mainboard.c
M src/soc/mediatek/mt8183/Makefile.inc
M src/soc/mediatek/mt8183/include/soc/spm.h
A src/soc/mediatek/mt8183/spm.c
4 files changed, 522 insertions(+), 48 deletions(-)

git pull ssh://review.coreboot.org:29418/coreboot refs/changes/45/34545/26