soc/mediatek/mt8188: Add SSPM firmware v1.88.00

mtk-rex-bc-chen · mtk-rex-bc-chen · commit 10a740e0ec5f · 2022-07-22T15:25:53.000+08:00
Add sspm.bin to support suspend/resume.

TEST=build pass
BUG=b:233720142

Signed-off-by: Bo-Chen Chen &lt;rex-bc.chen@mediatek.com&gt;
Change-Id: Ib10b9a9446ce7c057182e5ae0c087c4685db7f3f
diff --git a/soc/mediatek/mt8188/README.md b/soc/mediatek/mt8188/README.md
@@ -1,5 +1,6 @@
 # Firmware list
 - mcupm.bin
+- sspm.bin
 
 --------------------------------------------------------------------------------
 # MCUPM introduction
@@ -19,3 +20,24 @@ No return value.
 `$ strings mcupm.bin | grep "MCUPM firmware"`
 
 --------------------------------------------------------------------------------
+# 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/mt8188/sspm.bin b/soc/mediatek/mt8188/sspm.bin
diff --git a/soc/mediatek/mt8188/sspm.bin.md5 b/soc/mediatek/mt8188/sspm.bin.md5
@@ -0,0 +1 @@
+94ffbfa7722185a133aea8d4c7f09386 *sspm.bin
diff --git a/soc/mediatek/mt8188/sspm_release_notes.txt b/soc/mediatek/mt8188/sspm_release_notes.txt
@@ -0,0 +1,4 @@
+** Build from MediaTek Internal **
+
+# 1.88.00
+1. Add sspm.bin v1.88.00.

Original file line number	Diff line number	Diff line change
`@@ -0,0 +1 @@`
	`1`	`+94ffbfa7722185a133aea8d4c7f09386 *sspm.bin`