ArmPkg/ArmGic: Introduced helper functions to access the GIC controller

[mirror_edk2.git] / ArmPkg / Drivers / ArmGic / ArmGicNonSec.c

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