/** @file
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Source code file for TBT Init PEI module
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Copyright (c) 2020, Intel Corporation. All rights reserved.<BR>
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SPDX-License-Identifier: BSD-2-Clause-Patent
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**/
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#include <Library/IoLib.h>
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#include <Library/HobLib.h>
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#include <Library/DebugLib.h>
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#include <Library/BaseMemoryLib.h>
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#include <Library/PeiServicesLib.h>
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#include <Library/PciSegmentLib.h>
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#include <Library/PeiTbtPolicyLib.h>
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#include <Ppi/SiPolicy.h>
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#include <Ppi/PeiTbtPolicy.h>
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#include <Ppi/EndOfPeiPhase.h>
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#include <TbtBoardInfo.h>
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#include <Private/Library/PeiDTbtInitLib.h>
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/*
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/**
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This function Update and Print PEI TBT Policy after TbtPolicyBoardInitDone
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@param[in] PeiServices Pointer to PEI Services Table.
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@param[in] NotifyDesc Pointer to the descriptor for the Notification event that
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caused this function to execute.
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@param[in] Ppi Pointer to the PPI data associated with this function.
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@retval EFI_SUCCESS The function completes successfully
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@retval others
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**/
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/**
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This function pass PEI TBT Policy to Hob at the end of PEI
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@param[in] PeiServices Pointer to PEI Services Table.
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@param[in] NotifyDesc Pointer to the descriptor for the Notification event that
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caused this function to execute.
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@param[in] Ppi Pointer to the PPI data associated with this function.
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@retval EFI_SUCCESS The function completes successfully
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@retval others
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**/
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EFI_STATUS
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EFIAPI
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PassTbtPolicyToHob (
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VOID
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)
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{
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EFI_STATUS Status;
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EFI_BOOT_MODE BootMode;
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TBT_INFO_HOB *TbtInfoHob;
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PEI_TBT_POLICY *PeiTbtConfig;
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DEBUG ((DEBUG_INFO, "PassTbtPolicyToHob\n"));
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Status = PeiServicesGetBootMode (&BootMode);
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ASSERT_EFI_ERROR (Status);
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if (BootMode == BOOT_ON_S3_RESUME ) {
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return EFI_SUCCESS;
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}
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Status = PeiServicesLocatePpi (
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&gPeiTbtPolicyPpiGuid,
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0,
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NULL,
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(VOID **) &PeiTbtConfig
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);
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if (EFI_ERROR(Status)) {
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DEBUG ((DEBUG_ERROR, " gPeiTbtPolicyPpiGuid Not installed!!!\n"));
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}
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ASSERT_EFI_ERROR (Status);
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//
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// Create HOB for TBT Data
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//
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Status = PeiServicesCreateHob (
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EFI_HOB_TYPE_GUID_EXTENSION,
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sizeof (TBT_INFO_HOB),
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(VOID **) &TbtInfoHob
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);
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DEBUG ((DEBUG_INFO, "TbtInfoHob Created \n"));
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ASSERT_EFI_ERROR (Status);
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//
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// Initialize the TBT INFO HOB data.
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//
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TbtInfoHob->EfiHobGuidType.Name = gTbtInfoHobGuid;
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//
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// Update DTBT Policy
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//
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TbtInfoHob-> DTbtControllerConfig.DTbtControllerEn = PeiTbtConfig-> DTbtControllerConfig.DTbtControllerEn;
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TbtInfoHob-> DTbtControllerConfig.Type = PeiTbtConfig-> DTbtControllerConfig.Type;
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TbtInfoHob-> DTbtControllerConfig.PcieRpNumber = PeiTbtConfig-> DTbtControllerConfig.PcieRpNumber;
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TbtInfoHob-> DTbtControllerConfig.ForcePwrGpio.GpioPad = PeiTbtConfig-> DTbtControllerConfig.ForcePwrGpio.GpioPad;
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TbtInfoHob-> DTbtControllerConfig.ForcePwrGpio.GpioLevel = PeiTbtConfig-> DTbtControllerConfig.ForcePwrGpio.GpioLevel;
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TbtInfoHob-> DTbtControllerConfig.CioPlugEventGpio.GpioPad = PeiTbtConfig-> DTbtControllerConfig.CioPlugEventGpio.GpioPad;
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TbtInfoHob-> DTbtControllerConfig.CioPlugEventGpio.AcpiGpeSignature = PeiTbtConfig-> DTbtControllerConfig.CioPlugEventGpio.AcpiGpeSignature;
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TbtInfoHob-> DTbtControllerConfig.CioPlugEventGpio.AcpiGpeSignaturePorting = PeiTbtConfig-> DTbtControllerConfig.CioPlugEventGpio.AcpiGpeSignaturePorting;
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TbtInfoHob-> DTbtControllerConfig.PcieRstGpio.GpioPad = PeiTbtConfig-> DTbtControllerConfig.PcieRstGpio.GpioPad;
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TbtInfoHob-> DTbtControllerConfig.PcieRstGpio.GpioLevel = PeiTbtConfig-> DTbtControllerConfig.PcieRstGpio.GpioLevel;
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TbtInfoHob->DTbtCommonConfig.TbtBootOn = PeiTbtConfig->DTbtCommonConfig.TbtBootOn;
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TbtInfoHob->DTbtCommonConfig.TbtUsbOn = PeiTbtConfig->DTbtCommonConfig.TbtUsbOn;
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TbtInfoHob->DTbtCommonConfig.Gpio3ForcePwr = PeiTbtConfig->DTbtCommonConfig.Gpio3ForcePwr;
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TbtInfoHob->DTbtCommonConfig.Gpio3ForcePwrDly = PeiTbtConfig->DTbtCommonConfig.Gpio3ForcePwrDly;
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TbtInfoHob->DTbtCommonConfig.DTbtSharedGpioConfiguration = PeiTbtConfig->DTbtCommonConfig.DTbtSharedGpioConfiguration;
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TbtInfoHob->DTbtCommonConfig.PcieRstSupport = PeiTbtConfig->DTbtCommonConfig.PcieRstSupport;
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return EFI_SUCCESS;
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}
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/**
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This function handles TbtInit task at the end of PEI
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@param[in] PeiServices Pointer to PEI Services Table.
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@param[in] NotifyDesc Pointer to the descriptor for the Notification event that
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caused this function to execute.
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@param[in] Ppi Pointer to the PPI data associated with this function.
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@retval EFI_SUCCESS The function completes successfully
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@retval others
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**/
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EFI_STATUS
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EFIAPI
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TbtInitEndOfPei (
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VOID
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)
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{
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EFI_STATUS Status;
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BOOLEAN DTbtExisted;
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PEI_TBT_POLICY *PeiTbtConfig;
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DEBUG ((DEBUG_INFO, "TbtInitEndOfPei Entry\n"));
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Status = EFI_SUCCESS;
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PeiTbtConfig = NULL;
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DTbtExisted = FALSE;
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Status = PeiServicesLocatePpi (
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&gPeiTbtPolicyPpiGuid,
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0,
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NULL,
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(VOID **) &PeiTbtConfig
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);
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if (EFI_ERROR(Status)) {
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DEBUG ((DEBUG_ERROR, " gPeiTbtPolicyPpiGuid Not installed!!!\n"));
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}
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ASSERT_EFI_ERROR (Status);
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if (PeiTbtConfig-> DTbtControllerConfig.DTbtControllerEn == 1) {
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DTbtExisted = TRUE;
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}
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if (DTbtExisted == TRUE) {
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//
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// Call Init function
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//
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Status = TbtInit ();
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}
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return EFI_SUCCESS;
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}
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/**
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TBT Init PEI module entry point
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@param[in] FileHandle Not used.
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@param[in] PeiServices General purpose services available to every PEIM.
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@retval EFI_SUCCESS The function completes successfully
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@retval EFI_OUT_OF_RESOURCES Insufficient resources to create database
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**/
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EFI_STATUS
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EFIAPI
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TbtInitEntryPoint (
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IN EFI_PEI_FILE_HANDLE FileHandle,
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IN CONST EFI_PEI_SERVICES **PeiServices
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)
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{
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EFI_STATUS Status;
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DEBUG ((DEBUG_INFO, "TBT PEI EntryPoint\n"));
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//
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// Install PEI TBT Policy
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//
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Status = InstallPeiTbtPolicy ();
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ASSERT_EFI_ERROR (Status);
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UpdatePeiTbtPolicy ();
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TbtPrintPeiPolicyConfig ();
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//
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// Performing PassTbtPolicyToHob and TbtInitEndOfPei
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//
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Status = PassTbtPolicyToHob ();
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Status = TbtInitEndOfPei ();
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return Status;
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}
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