From 7222ac35cdb155b7881a64ff64f03e2edc17add8 Mon Sep 17 00:00:00 2001
From: raywu <raywu@aaeon.com>
Date: Fri, 13 Jul 2018 11:46:20 +0800
Subject: Support S3/S4 PS2 Keyboard/Mouse Wake

---
 Chipset/SB/SBCspLib.h  | 1 +
 Chipset/SB/SBGeneric.c | 5 +++++
 Chipset/SB/SleepSmi.c  | 3 +++
 3 files changed, 9 insertions(+)

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;
 }
-- 
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