ArmPkg/Library/ArmMPCoreMailBoxLib/ArmMPCoreMailBox.c

   1 /** @file
   2 *
   3 *  Copyright (c) 2011, ARM Limited. All rights reserved.
   4 *
   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
   9 *
  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.
  12 *
  13 **/
  14
  15 #include <Library/ArmMPCoreMailBoxLib.h>
  16 #include <Library/PcdLib.h>
  17 #include <Library/IoLib.h>
  18
  19 VOID ArmClearMPCoreMailbox() {
  20         MmioWrite32(PcdGet32(PcdMPCoreMailboxClearAddress),PcdGet32(PcdMPCoreMailboxClearValue));
  21 }
  22
  23 UINTN ArmGetMPCoreMailbox() {
  24     return MmioRead32(PcdGet32(PcdMPCoreMailboxGetAddress));
  25 }