3 * Copyright (c) 2011-2015, ARM Limited. All rights reserved.
5 * This program and the accompanying materials
6 * are licensed and made available under the terms and conditions of the BSD License
7 * which accompanies this distribution. The full text of the license may be found at
8 * http://opensource.org/licenses/bsd-license.php
10 * THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
11 * WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
16 #include <Library/IoLib.h>
17 #include <Library/ArmGicLib.h>
21 ArmGicEnableDistributor (
22 IN INTN GicDistributorBase
25 ARM_GIC_ARCH_REVISION Revision
;
28 * Enable GIC distributor in Non-Secure world.
29 * Note: The ICDDCR register is banked when Security extensions are implemented
31 Revision
= ArmGicGetSupportedArchRevision ();
32 if (Revision
== ARM_GIC_ARCH_REVISION_2
) {
33 MmioWrite32 (GicDistributorBase
+ ARM_GIC_ICDDCR
, 0x1);
35 MmioWrite32 (GicDistributorBase
+ ARM_GIC_ICDDCR
, 0x2);