diff options
| author | Allen-KH Cheng <allen-kh.cheng@mediatek.corp-partner.google.com> | 2021-11-09 13:51:55 +0800 |
|---|---|---|
| committer | Rex-BC Chen <rex-bc.chen@mediatek.corp-partner.google.com> | 2021-12-24 17:25:33 +0800 |
| commit | 54ca015b1cf98d6e370afd5b91110f0004a1da75 (patch) | |
| tree | 497a3913c2e399e65771736ce02fd51baca067e0 | |
| parent | 27eb91b4fa6dd33af03140757e28ff7493da1415 (diff) | |
| download | blobs-54ca015b1cf98d6e370afd5b91110f0004a1da75.tar.gz | |
soc/mediatek/mt8186: Add SSPM firmware
Add sspm.bin to support suspend/resume.
TEST=build pass
BUG=b:202871018
Signed-off-by: Allen-KH Cheng <allen-kh.cheng@mediatek.corp-partner.google.com>
Change-Id: Iae24878e1812c1e9e39ce8151c59e0ec2f234031
| -rw-r--r-- | soc/mediatek/mt8186/README.md | 21 | ||||
| -rw-r--r-- | soc/mediatek/mt8186/sspm.bin | bin | 0 -> 134356 bytes | |||
| -rw-r--r-- | soc/mediatek/mt8186/sspm.bin.md5 | 1 | ||||
| -rw-r--r-- | soc/mediatek/mt8186/sspm_release_notes.txt | 4 |
4 files changed, 26 insertions, 0 deletions
diff --git a/soc/mediatek/mt8186/README.md b/soc/mediatek/mt8186/README.md index 160e49d..b535e83 100644 --- a/soc/mediatek/mt8186/README.md +++ b/soc/mediatek/mt8186/README.md @@ -19,3 +19,24 @@ No return value. `$ strings spm_firmware.bin | grep pcm_suspend` -------------------------------------------------------------------------------- +# SSPM introduction +SSPM is "Secure System Power Manager" that provides power control in secure domain. +SSPM provides power related features, e.g. CPU DVFS, thermal control, to offload +application processor for security reason. + +SSPM firmware is loaded into SSPM SRAM at system initialization. + +## Who uses it +Coreboot will load sspm.bin to SSPM SRAM at ramstage. + +## How to load `sspm.bin` +Use CBFS to load `sspm.bin`. +No need to pass other parameters to SSPM. + +## Return value +No return value. + +## Version +`$ strings sspm.bin | grep "SSPM firmware"` + +-------------------------------------------------------------------------------- diff --git a/soc/mediatek/mt8186/sspm.bin b/soc/mediatek/mt8186/sspm.bin Binary files differnew file mode 100644 index 0000000..cb71d57 --- /dev/null +++ b/soc/mediatek/mt8186/sspm.bin diff --git a/soc/mediatek/mt8186/sspm.bin.md5 b/soc/mediatek/mt8186/sspm.bin.md5 new file mode 100644 index 0000000..974a48b --- /dev/null +++ b/soc/mediatek/mt8186/sspm.bin.md5 @@ -0,0 +1 @@ +1092f052c52ad94135fa1cdc3abbffe4 *sspm.bin diff --git a/soc/mediatek/mt8186/sspm_release_notes.txt b/soc/mediatek/mt8186/sspm_release_notes.txt new file mode 100644 index 0000000..d5e5158 --- /dev/null +++ b/soc/mediatek/mt8186/sspm_release_notes.txt @@ -0,0 +1,4 @@ +** Build from MediaTek Internal ** + +# v1.0.0 +1. Add sspm.bin v1.0.0. |