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