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[mirror_edk2.git] / ArmPlatformPkg / ArmRealViewEbPkg / Library / ArmRealViewEbSecLibRTSM / ArmRealViewEbSec.c
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c8ece79c 1/** @file
2*
e314d564 3* Copyright (c) 2011-2012, ARM Limited. All rights reserved.
c8ece79c 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>
e314d564 16#include <Library/ArmLib.h>
17#include <Library/ArmPlatformSecLib.h>
c8ece79c 18#include <Library/DebugLib.h>
19#include <Library/PcdLib.h>
20
21#include <Drivers/PL341Dmc.h>
22#include <Drivers/SP804Timer.h>
23
24#include <ArmPlatform.h>
25
26/**
27 Initialize the Secure peripherals and memory regions
28
29 If Trustzone is supported by your platform then this function makes the required initialization
30 of the secure peripherals and memory regions.
31
32**/
33VOID
e314d564 34ArmPlatformSecTrustzoneInit (
5e773144 35 IN UINTN MpId
c8ece79c 36 )
37{
f4ee7a82 38 ASSERT(FALSE);
c8ece79c 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**/
e314d564 48RETURN_STATUS
c8ece79c 49ArmPlatformSecInitialize (
e314d564 50 IN UINTN MpId
f4ee7a82 51 )
52{
e314d564 53 // If it is not the primary core then there is nothing to do
54 if (!IS_PRIMARY_CORE(MpId)) {
55 return RETURN_SUCCESS;
56 }
57
c8ece79c 58 // Do nothing yet
e314d564 59 return RETURN_SUCCESS;
c8ece79c 60}
61
62/**
63 Call before jumping to Normal World
64
65 This function allows the firmware platform to do extra actions before
66 jumping to the Normal World
67
68**/
69VOID
70ArmPlatformSecExtraAction (
0787bc61 71 IN UINTN MpId,
c8ece79c 72 OUT UINTN* JumpAddress
73 )
74{
f92b93c9 75 *JumpAddress = PcdGet32(PcdFvBaseAddress);
c8ece79c 76}