From 9736c2972157e9c1c4f3cd4bac83f2256a2c9688 Mon Sep 17 00:00:00 2001
From: oliviermartin <oliviermartin@6f19259b-4bc3-4df7-8a09-765794883524>
Date: Wed, 4 Jul 2012 20:02:49 +0000
Subject: [PATCH] ArmPkg/PL390Gic: Added support for
 ArmGicDisableInterruptInterface()

git-svn-id: https://edk2.svn.sourceforge.net/svnroot/edk2/trunk/edk2@13489 6f19259b-4bc3-4df7-8a09-765794883524
---
 ArmPkg/Drivers/PL390Gic/PL390GicSec.c | 13 +++++++++++++
 ArmPkg/Include/Library/ArmGicLib.h    |  6 ++++++
 2 files changed, 19 insertions(+)

diff --git a/ArmPkg/Drivers/PL390Gic/PL390GicSec.c b/ArmPkg/Drivers/PL390Gic/PL390GicSec.c
index c137c95f20..25038bd63f 100644
--- a/ArmPkg/Drivers/PL390Gic/PL390GicSec.c
+++ b/ArmPkg/Drivers/PL390Gic/PL390GicSec.c
@@ -107,6 +107,19 @@ ArmGicEnableInterruptInterface (
       ARM_GIC_ICCICR_SIGNAL_SECURE_TO_FIQ);
 }
 
+VOID
+EFIAPI
+ArmGicDisableInterruptInterface (
+  IN  INTN          GicInterruptInterfaceBase
+  )
+{
+  UINT32    ControlValue;
+
+  // Disable CPU interface in Secure world and Non-secure World
+  ControlValue = MmioRead32 (GicInterruptInterfaceBase + ARM_GIC_ICCICR);
+  MmioWrite32 (GicInterruptInterfaceBase + ARM_GIC_ICCICR, ControlValue & ~(ARM_GIC_ICCICR_ENABLE_SECURE | ARM_GIC_ICCICR_ENABLE_NS));
+}
+
 VOID
 EFIAPI
 ArmGicEnableDistributor (
diff --git a/ArmPkg/Include/Library/ArmGicLib.h b/ArmPkg/Include/Library/ArmGicLib.h
index c115767bbf..6da072807b 100644
--- a/ArmPkg/Include/Library/ArmGicLib.h
+++ b/ArmPkg/Include/Library/ArmGicLib.h
@@ -96,6 +96,12 @@ ArmGicEnableInterruptInterface (
   IN  INTN          GicInterruptInterfaceBase
   );
 
+VOID
+EFIAPI
+ArmGicDisableInterruptInterface (
+  IN  INTN          GicInterruptInterfaceBase
+  );
+
 VOID
 EFIAPI
 ArmGicEnableDistributor (