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/** @file
Source code file for TBT Init PEI module
Copyright (c) 2018, Intel Corporation. All rights reserved.<BR>
This program and the accompanying materials are licensed and made available under
the terms and conditions of the BSD License that 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/HobLib.h>
#include <Library/DebugLib.h>
#include <Library/BaseMemoryLib.h>
#include <Library/PeiServicesLib.h>
#include <Library/PciSegmentLib.h>
#include <Library/PeiTbtPolicyLib.h>
#include <Ppi/SiPolicy.h>
#include <Ppi/PeiTbtPolicy.h>
#include <Ppi/EndOfPeiPhase.h>
#include <TbtBoardInfo.h>
#include <Private/Library/PeiDTbtInitLib.h>
/*
/**
This function Update and Print PEI TBT Policy after TbtPolicyBoardInitDone
@param[in] PeiServices Pointer to PEI Services Table.
@param[in] NotifyDesc Pointer to the descriptor for the Notification event that
caused this function to execute.
@param[in] Ppi Pointer to the PPI data associated with this function.
@retval EFI_SUCCESS The function completes successfully
@retval others
**/
/**
This function pass PEI TBT Policy to Hob at the end of PEI
@param[in] PeiServices Pointer to PEI Services Table.
@param[in] NotifyDesc Pointer to the descriptor for the Notification event that
caused this function to execute.
@param[in] Ppi Pointer to the PPI data associated with this function.
@retval EFI_SUCCESS The function completes successfully
@retval others
**/
EFI_STATUS
EFIAPI
PassTbtPolicyToHob (
VOID
)
{
EFI_STATUS Status;
EFI_BOOT_MODE BootMode;
TBT_INFO_HOB *TbtInfoHob;
PEI_TBT_POLICY *PeiTbtConfig;
DEBUG ((DEBUG_INFO, "PassTbtPolicyToHob\n"));
Status = PeiServicesGetBootMode (&BootMode);
ASSERT_EFI_ERROR (Status);
if (BootMode == BOOT_ON_S3_RESUME ) {
return EFI_SUCCESS;
}
Status = PeiServicesLocatePpi (
&gPeiTbtPolicyPpiGuid,
0,
NULL,
(VOID **) &PeiTbtConfig
);
if (EFI_ERROR(Status)) {
DEBUG ((DEBUG_ERROR, " gPeiTbtPolicyPpiGuid Not installed!!!\n"));
}
ASSERT_EFI_ERROR (Status);
//
// Create HOB for TBT Data
//
Status = PeiServicesCreateHob (
EFI_HOB_TYPE_GUID_EXTENSION,
sizeof (TBT_INFO_HOB),
(VOID **) &TbtInfoHob
);
DEBUG ((DEBUG_INFO, "TbtInfoHob Created \n"));
ASSERT_EFI_ERROR (Status);
//
// Initialize the TBT INFO HOB data.
//
TbtInfoHob->EfiHobGuidType.Name = gTbtInfoHobGuid;
//
// Update DTBT Policy
//
TbtInfoHob-> DTbtControllerConfig.DTbtControllerEn = PeiTbtConfig-> DTbtControllerConfig.DTbtControllerEn;
TbtInfoHob-> DTbtControllerConfig.Type = PeiTbtConfig-> DTbtControllerConfig.Type;
TbtInfoHob-> DTbtControllerConfig.PcieRpNumber = PeiTbtConfig-> DTbtControllerConfig.PcieRpNumber;
TbtInfoHob-> DTbtControllerConfig.ForcePwrGpio.GpioPad = PeiTbtConfig-> DTbtControllerConfig.ForcePwrGpio.GpioPad;
TbtInfoHob-> DTbtControllerConfig.ForcePwrGpio.GpioLevel = PeiTbtConfig-> DTbtControllerConfig.ForcePwrGpio.GpioLevel;
TbtInfoHob-> DTbtControllerConfig.CioPlugEventGpio.GpioPad = PeiTbtConfig-> DTbtControllerConfig.CioPlugEventGpio.GpioPad;
TbtInfoHob-> DTbtControllerConfig.CioPlugEventGpio.AcpiGpeSignature = PeiTbtConfig-> DTbtControllerConfig.CioPlugEventGpio.AcpiGpeSignature;
TbtInfoHob-> DTbtControllerConfig.CioPlugEventGpio.AcpiGpeSignaturePorting = PeiTbtConfig-> DTbtControllerConfig.CioPlugEventGpio.AcpiGpeSignaturePorting;
TbtInfoHob-> DTbtControllerConfig.PcieRstGpio.GpioPad = PeiTbtConfig-> DTbtControllerConfig.PcieRstGpio.GpioPad;
TbtInfoHob-> DTbtControllerConfig.PcieRstGpio.GpioLevel = PeiTbtConfig-> DTbtControllerConfig.PcieRstGpio.GpioLevel;
TbtInfoHob->DTbtCommonConfig.TbtBootOn = PeiTbtConfig->DTbtCommonConfig.TbtBootOn;
TbtInfoHob->DTbtCommonConfig.TbtUsbOn = PeiTbtConfig->DTbtCommonConfig.TbtUsbOn;
TbtInfoHob->DTbtCommonConfig.Gpio3ForcePwr = PeiTbtConfig->DTbtCommonConfig.Gpio3ForcePwr;
TbtInfoHob->DTbtCommonConfig.Gpio3ForcePwrDly = PeiTbtConfig->DTbtCommonConfig.Gpio3ForcePwrDly;
TbtInfoHob->DTbtCommonConfig.DTbtSharedGpioConfiguration = PeiTbtConfig->DTbtCommonConfig.DTbtSharedGpioConfiguration;
TbtInfoHob->DTbtCommonConfig.PcieRstSupport = PeiTbtConfig->DTbtCommonConfig.PcieRstSupport;
return EFI_SUCCESS;
}
/**
This function handles TbtInit task at the end of PEI
@param[in] PeiServices Pointer to PEI Services Table.
@param[in] NotifyDesc Pointer to the descriptor for the Notification event that
caused this function to execute.
@param[in] Ppi Pointer to the PPI data associated with this function.
@retval EFI_SUCCESS The function completes successfully
@retval others
**/
EFI_STATUS
EFIAPI
TbtInitEndOfPei (
VOID
)
{
EFI_STATUS Status;
BOOLEAN DTbtExisted;
PEI_TBT_POLICY *PeiTbtConfig;
DEBUG ((DEBUG_INFO, "TbtInitEndOfPei Entry\n"));
Status = EFI_SUCCESS;
PeiTbtConfig = NULL;
DTbtExisted = FALSE;
Status = PeiServicesLocatePpi (
&gPeiTbtPolicyPpiGuid,
0,
NULL,
(VOID **) &PeiTbtConfig
);
if (EFI_ERROR(Status)) {
DEBUG ((DEBUG_ERROR, " gPeiTbtPolicyPpiGuid Not installed!!!\n"));
}
ASSERT_EFI_ERROR (Status);
if (PeiTbtConfig-> DTbtControllerConfig.DTbtControllerEn == 1) {
DTbtExisted = TRUE;
}
if (DTbtExisted == TRUE) {
//
// Call Init function
//
Status = TbtInit ();
}
return EFI_SUCCESS;
}
/**
TBT Init PEI module entry point
@param[in] FileHandle Not used.
@param[in] PeiServices General purpose services available to every PEIM.
@retval EFI_SUCCESS The function completes successfully
@retval EFI_OUT_OF_RESOURCES Insufficient resources to create database
**/
EFI_STATUS
EFIAPI
TbtInitEntryPoint (
IN EFI_PEI_FILE_HANDLE FileHandle,
IN CONST EFI_PEI_SERVICES **PeiServices
)
{
EFI_STATUS Status;
DEBUG ((DEBUG_INFO, "TBT PEI EntryPoint\n"));
//
// Install PEI TBT Policy
//
Status = InstallPeiTbtPolicy ();
ASSERT_EFI_ERROR (Status);
UpdatePeiTbtPolicy ();
TbtPrintPeiPolicyConfig ();
//
// Performing PassTbtPolicyToHob and TbtInitEndOfPei
//
Status = PassTbtPolicyToHob ();
Status = TbtInitEndOfPei ();
return Status;
}
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