/** @file
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*
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* Copyright (c) 2011-2013, ARM Limited. All rights reserved.<BR>
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* Copyright (c) 2014 - 2016, AMD Inc. All rights reserved.<BR>
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*
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* SPDX-License-Identifier: BSD-2-Clause-Patent
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*
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**/
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/**
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Derived from:
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ArmPlatformPkg/ArmVExpressPkg/Library/ArmVExpressLibRTSM/RTSM.c
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**/
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//
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// The package level header files this module uses
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//
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#include <PiPei.h>
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//
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// The protocols, PPI and GUID defintions for this module
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//
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#include <Ppi/ArmMpCoreInfo.h>
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#include <Guid/ArmMpCoreInfo.h>
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//
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// The Library classes this module consumes
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//
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#include <Library/PeimEntryPoint.h>
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#include <Library/PeiServicesLib.h>
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#include <Library/DebugLib.h>
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#include <Library/PcdLib.h>
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#include <Library/HobLib.h>
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#include <Library/ArmLib.h>
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#include <Library/ArmPlatformLib.h>
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#include <Library/BaseMemoryLib.h>
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extern EFI_GUID gAmdStyxMpCoreInfoGuid;
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/**
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Return the current Boot Mode
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This function returns the boot reason on the platform
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@return Return the current Boot Mode of the platform
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**/
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EFI_BOOT_MODE
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ArmPlatformGetBootMode (
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VOID
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)
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{
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return BOOT_WITH_FULL_CONFIGURATION;
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}
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/**
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Initialize controllers that must setup in the normal world
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This function is called by the ArmPlatformPkg/Pei or ArmPlatformPkg/Pei/PlatformPeim
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in the PEI phase.
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**/
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RETURN_STATUS
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ArmPlatformInitialize (
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IN UINTN MpId
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)
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{
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if (!ArmPlatformIsPrimaryCore (MpId)) {
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return RETURN_SUCCESS;
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}
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// XXX Place holder XXX ...
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return RETURN_SUCCESS;
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}
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//
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// Return list of cores in the system
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//
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EFI_STATUS
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PrePeiCoreGetMpCoreInfo (
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OUT UINTN *ArmCoreCount,
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OUT ARM_CORE_INFO **ArmCoreInfoTable
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)
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{
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EFI_PEI_HOB_POINTERS Hob;
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if (ArmIsMpCore()) {
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// Iterate through the HOBs and find if there is ARM PROCESSOR ENTRY HOB
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for (Hob.Raw = GetHobList (); !END_OF_HOB_LIST(Hob); Hob.Raw = GET_NEXT_HOB(Hob)) {
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// Check for Correct HOB type
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if ((GET_HOB_TYPE (Hob)) == EFI_HOB_TYPE_GUID_EXTENSION) {
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// Check for correct GUID type
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if (CompareGuid(&(Hob.Guid->Name), &gAmdStyxMpCoreInfoGuid)) {
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*ArmCoreInfoTable = (ARM_CORE_INFO *) GET_GUID_HOB_DATA(Hob);
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*ArmCoreCount = GET_GUID_HOB_DATA_SIZE(Hob)/sizeof(ARM_CORE_INFO);
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return EFI_SUCCESS;
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}
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}
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}
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}
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return EFI_UNSUPPORTED;
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}
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ARM_MP_CORE_INFO_PPI mMpCoreInfoPpi = { PrePeiCoreGetMpCoreInfo };
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EFI_PEI_PPI_DESCRIPTOR gPlatformPpiTable[] = {
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{
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EFI_PEI_PPI_DESCRIPTOR_PPI,
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&gArmMpCoreInfoPpiGuid,
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&mMpCoreInfoPpi
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}
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};
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VOID
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ArmPlatformGetPlatformPpiList (
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OUT UINTN *PpiListSize,
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OUT EFI_PEI_PPI_DESCRIPTOR **PpiList
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)
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{
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if (ArmIsMpCore()) {
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*PpiListSize = sizeof(gPlatformPpiTable);
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*PpiList = gPlatformPpiTable;
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} else {
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*PpiListSize = 0;
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*PpiList = NULL;
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}
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}
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