Yu-Ping Wu has uploaded a new patch set (#56) to the change originally created by DAWEI CHIEN. ( https://review.coreboot.org/c/coreboot/+/34545 )
Change subject: mediatek/mt8183: Init SPM driver ......................................................................
mediatek/mt8183: Init SPM driver
To support mt8183 power saving during suspend to RAM, this patch supports SPM suspend and SPM firmware loading. 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 passes for LPDDR4 3200
Change-Id: I3393a772f025b0912a5a25a63a87512454fbc86e Signed-off-by: Dawei Chien dawei.chien@mediatek.com --- 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, 512 insertions(+), 49 deletions(-)
git pull ssh://review.coreboot.org:29418/coreboot refs/changes/45/34545/56