Support S3/S4 PS2 Keyboard/Mouse Wake

3 files changed, 9 insertions, 0 deletions

diff --git a/Chipset/SB/SBCspLib.h b/Chipset/SB/SBCspLib.h
index e16cf63..b037e88 100644
--- a/Chipset/SB/SBCspLib.h
+++ b/Chipset/SB/SBCspLib.h
@@ -325,6 +325,7 @@ VOID SBLib_Shutdown ( VOID );
 VOID GbES0ToS1Workaround(VOID);
 VOID GbES0ToSxWorkaround(VOID);
 VOID Enable_GbE_PME(VOID);
+VOID EnablePs2KeyboardMousePme(VOID);
 VOID ClearMeWakeSts(VOID);
 VOID EHCIAdditionalRequirement(VOID);
 
diff --git a/Chipset/SB/SBGeneric.c b/Chipset/SB/SBGeneric.c
index efdedd4..097ce6f 100644
--- a/Chipset/SB/SBGeneric.c
+++ b/Chipset/SB/SBGeneric.c
@@ -1341,6 +1341,11 @@ VOID Enable_GbE_PME(VOID)
   }
 }
 
+VOID EnablePs2KeyboardMousePme(VOID)
+{
+      WRITE_IO16_PM(ACPI_IOREG_GPE0_STS, BIT11);
+      SET_IO16_PM(ACPI_IOREG_GPE0_EN, BIT11);
+}
 
 //<AMI_PHDR_START>
 //----------------------------------------------------------------------------
diff --git a/Chipset/SB/SleepSmi.c b/Chipset/SB/SleepSmi.c
index 20408a1..6f17597 100644
--- a/Chipset/SB/SleepSmi.c
+++ b/Chipset/SB/SleepSmi.c
@@ -172,6 +172,7 @@ VOID S1SleepSmiOccurred (
 #endif
 {
     // Porting required if any workaround is needed.
+    EnablePs2KeyboardMousePme();    
     return SMM_CHILD_DISPATCH_SUCCESS;
 }
 
@@ -232,6 +233,7 @@ VOID S3SleepSmiOccurred (
     }
 
     ProgramAfterG3Bit();
+    EnablePs2KeyboardMousePme();
 
     return SMM_CHILD_DISPATCH_SUCCESS;
 }
@@ -268,6 +270,7 @@ VOID S4SleepSmiOccurred (
     ClearMeWakeSts();
 
     ProgramAfterG3Bit();
+    EnablePs2KeyboardMousePme();
 
     return SMM_CHILD_DISPATCH_SUCCESS;
 }