ArmPlatformPkg/ArmRealViewEbPkg/Library/ArmRealViewEbLibRTSM/ArmRealViewEbSec.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/IoLib.h>
  16 #include <Library/ArmPlatformLib.h>
  17 #include <Library/DebugLib.h>
  18 #include <Library/PcdLib.h>
  19
  20 #include <Drivers/PL341Dmc.h>
  21 #include <Drivers/SP804Timer.h>
  22
  23 #include <ArmPlatform.h>
  24
  25 /**
  26   Initialize the Secure peripherals and memory regions
  27
  28   If Trustzone is supported by your platform then this function makes the required initialization
  29   of the secure peripherals and memory regions.
  30
  31 **/
  32 VOID
  33 ArmPlatformTrustzoneInit (
  34   VOID
  35   )
  36 {
  37   //ASSERT(FALSE);
  38   DEBUG((EFI_D_ERROR,"Initialize Trustzone Hardware\n"));
  39 }
  40
  41 /**
  42   Initialize controllers that must setup at the early stage
  43
  44   Some peripherals must be initialized in Secure World.
  45   For example, some L2x0 requires to be initialized in Secure World
  46
  47 **/
  48 VOID
  49 ArmPlatformSecInitialize (
  50   VOID
  51   ) {
  52   // Do nothing yet
  53 }
  54
  55 /**
  56   Call before jumping to Normal World
  57
  58   This function allows the firmware platform to do extra actions before
  59   jumping to the Normal World
  60
  61 **/
  62 VOID
  63 ArmPlatformSecExtraAction (
  64   IN  UINTN         CoreId,
  65   OUT UINTN*        JumpAddress
  66   )
  67 {
  68   *JumpAddress = PcdGet32(PcdNormalFvBaseAddress);
  69 }