ArmPlatformPkg: Introduced 'ArmPlatformSecLib'

[mirror_edk2.git] / ArmPlatformPkg / ArmRealViewEbPkg / Library / ArmRealViewEbSecLibRTSM / ArmRealViewEbSec.c

diff --git a/ArmPlatformPkg/ArmRealViewEbPkg/Library/ArmRealViewEbSecLibRTSM/ArmRealViewEbSec.c b/ArmPlatformPkg/ArmRealViewEbPkg/Library/ArmRealViewEbSecLibRTSM/ArmRealViewEbSec.c
new file mode 100644 (file)
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+++ b/ArmPlatformPkg/ArmRealViewEbPkg/Library/ArmRealViewEbSecLibRTSM/ArmRealViewEbSec.c
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+/** @file
+*
+*  Copyright (c) 2011-2012, 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 <Library/IoLib.h>
+#include <Library/ArmLib.h>
+#include <Library/ArmPlatformSecLib.h>
+#include <Library/DebugLib.h>
+#include <Library/PcdLib.h>
+
+#include <Drivers/PL341Dmc.h>
+#include <Drivers/SP804Timer.h>
+
+#include <ArmPlatform.h>
+
+/**
+  Initialize the Secure peripherals and memory regions
+
+  If Trustzone is supported by your platform then this function makes the required initialization
+  of the secure peripherals and memory regions.
+
+**/
+VOID
+ArmPlatformSecTrustzoneInit (
+  IN  UINTN                     MpId
+  )
+{
+  ASSERT(FALSE);
+}
+
+/**
+  Initialize controllers that must setup at the early stage
+
+  Some peripherals must be initialized in Secure World.
+  For example, some L2x0 requires to be initialized in Secure World
+
+**/
+RETURN_STATUS
+ArmPlatformSecInitialize (
+  IN  UINTN                     MpId
+  )
+{
+  // If it is not the primary core then there is nothing to do
+  if (!IS_PRIMARY_CORE(MpId)) {
+    return RETURN_SUCCESS;
+  }
+
+  // Do nothing yet
+  return RETURN_SUCCESS;
+}
+
+/**
+  Call before jumping to Normal World
+
+  This function allows the firmware platform to do extra actions before
+  jumping to the Normal World
+
+**/
+VOID
+ArmPlatformSecExtraAction (
+  IN  UINTN         MpId,
+  OUT UINTN*        JumpAddress
+  )
+{
+  *JumpAddress = PcdGet32(PcdFvBaseAddress);
+}