Rex-BC Chen has uploaded this change for review. ( https://review.coreboot.org/c/blobs/+/60338 )
Change subject: soc/mediatek/mt8186: Add SPM firmware ......................................................................
soc/mediatek/mt8186: Add SPM firmware
SPM suspend can turn 26M clock off when system goes into suspend to save power.
TEST=build pass BUG=b:202871018
Signed-off-by: Rex-BC Chen rex-bc.chen@mediatek.com Change-Id: I5a35f1c10886d31da9ba6dfec5ee2b3cf0664563 --- M soc/mediatek/mt8186/README.md A soc/mediatek/mt8186/spm_firmware.bin A soc/mediatek/mt8186/spm_firmware.bin.md5 A soc/mediatek/mt8186/spm_release_notes.txt 4 files changed, 23 insertions(+), 0 deletions(-)
git pull ssh://review.coreboot.org:29418/blobs refs/changes/38/60338/1
diff --git a/soc/mediatek/mt8186/README.md b/soc/mediatek/mt8186/README.md index 6582718..160e49d 100644 --- a/soc/mediatek/mt8186/README.md +++ b/soc/mediatek/mt8186/README.md @@ -1,3 +1,21 @@ # Firmware list +- spm_firmware.bin + +-------------------------------------------------------------------------------- +# SPM introduction +SPM is able to turn off more power such as DRAM self-refresh mode and 26M clock off +when system is in suspend. Also, SPM helps support Vcore DVFS feature. + +## Who uses it +Linux kernel system suspend and Vcore DVFS. + +## How to load `spm_fimware.bin` +Use CBFS to load `spm_fimware.bin` to DRAM and SPM DMA loads it from dram to SPM SRAM. + +## Return values +No return value. + +## Version +`$ strings spm_firmware.bin | grep pcm_suspend`
-------------------------------------------------------------------------------- diff --git a/soc/mediatek/mt8186/spm_firmware.bin b/soc/mediatek/mt8186/spm_firmware.bin new file mode 100644 index 0000000..7e0ca8d --- /dev/null +++ b/soc/mediatek/mt8186/spm_firmware.bin Binary files differ diff --git a/soc/mediatek/mt8186/spm_firmware.bin.md5 b/soc/mediatek/mt8186/spm_firmware.bin.md5 new file mode 100644 index 0000000..910cf06 --- /dev/null +++ b/soc/mediatek/mt8186/spm_firmware.bin.md5 @@ -0,0 +1 @@ +7db456c2374b3a76daa9e6f0f2b4fd71 *spm_firmware.bin diff --git a/soc/mediatek/mt8186/spm_release_notes.txt b/soc/mediatek/mt8186/spm_release_notes.txt new file mode 100644 index 0000000..7d72463 --- /dev/null +++ b/soc/mediatek/mt8186/spm_release_notes.txt @@ -0,0 +1,4 @@ +** Build from MediaTek Internal ** + +# pcm_suspend_mp_v1109 +1. SPM suspend can turn 26M clock off when system goes into suspend.
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Rex-BC Chen (Code Review)