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: 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 +++++++++++++
 1 file changed, 13 insertions(+)

(limited to 'ArmPkg/Drivers')

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 (
-- 
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