mirror of https://github.com/acidanthera/audk.git
75 lines
1.8 KiB
C
75 lines
1.8 KiB
C
/** @file
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*
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* Copyright (c) 2011-2014, ARM Limited. All rights reserved.
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*
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* This program and the accompanying materials
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* are licensed and made available under the terms and conditions of the BSD License
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* which accompanies this distribution. The full text of the license may be found at
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* http://opensource.org/licenses/bsd-license.php
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*
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* THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
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* WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
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*
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**/
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#include <Library/ArmPlatformLib.h>
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#include <Library/DebugLib.h>
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#include <Library/PcdLib.h>
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/**
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Initialize the Secure peripherals and memory regions
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If Trustzone is supported by your platform then this function makes the required initialization
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of the secure peripherals and memory regions.
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**/
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VOID
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ArmPlatformSecTrustzoneInit (
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IN UINTN MpId
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)
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{
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// Secondary cores might have to set the Secure SGIs into the GICD_IGROUPR0
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if (!ArmPlatformIsPrimaryCore (MpId)) {
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return;
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}
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ASSERT(FALSE);
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}
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/**
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Initialize controllers that must setup at the early stage
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Some peripherals must be initialized in Secure World.
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For example, some L2x0 requires to be initialized in Secure World
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**/
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RETURN_STATUS
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ArmPlatformSecInitialize (
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IN UINTN MpId
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)
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{
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// If it is not the primary core then there is nothing to do
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if (!ArmPlatformIsPrimaryCore (MpId)) {
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return RETURN_SUCCESS;
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}
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// Do nothing yet
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return RETURN_SUCCESS;
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}
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/**
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Call before jumping to Normal World
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This function allows the firmware platform to do extra actions before
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jumping to the Normal World
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**/
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VOID
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ArmPlatformSecExtraAction (
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IN UINTN MpId,
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OUT UINTN* JumpAddress
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)
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{
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*JumpAddress = PcdGet64 (PcdFvBaseAddress);
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}
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