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