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/** @file
This file is PeiTbtPolicyLib library.
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/PeiServicesLib.h>
#include <Library/GpioLib.h>
#include <PiPei.h>
#include <PeiTbtPolicyLibrary.h>
#include <Ppi/ReadOnlyVariable2.h>
#include <Ppi/PeiTbtPolicy.h>
#include <Base.h>
#include <GpioConfig.h>
/**
Update PEI TBT Policy Callback
**/
VOID
EFIAPI
UpdatePeiTbtPolicy (
VOID
)
{
EFI_STATUS Status;
EFI_PEI_READ_ONLY_VARIABLE2_PPI *VariableServices;
PEI_TBT_POLICY *PeiTbtConfig;
PeiTbtConfig = NULL;
Status = EFI_NOT_FOUND;
DEBUG ((DEBUG_INFO, "UpdatePeiTbtPolicy \n"));
Status = PeiServicesLocatePpi (
&gEfiPeiReadOnlyVariable2PpiGuid,
0,
NULL,
(VOID **) &VariableServices
);
ASSERT_EFI_ERROR (Status);
Status = PeiServicesLocatePpi (
&gPeiTbtPolicyPpiGuid,
0,
NULL,
(VOID **) &PeiTbtConfig
);
if (EFI_ERROR(Status)) {
DEBUG ((DEBUG_ERROR, " gPeiTbtPolicyPpiGuid Not installed!!!\n"));
}
ASSERT_EFI_ERROR (Status);
//
// Update DTBT Policy
//
PeiTbtConfig-> DTbtControllerConfig.DTbtControllerEn = PcdGet8 (PcdDTbtControllerEn);
if (PcdGet8 (PcdDTbtControllerType) == TYPE_PEG)
{
PeiTbtConfig-> DTbtControllerConfig.Type = (UINT8) TYPE_PEG;
PeiTbtConfig-> DTbtControllerConfig.PcieRpNumber = 1; // PEG RP 1 (Function no. 0)
}
else {
PeiTbtConfig-> DTbtControllerConfig.PcieRpNumber = PcdGet8 (PcdDTbtPcieRpNumber);
PeiTbtConfig-> DTbtControllerConfig.Type = PcdGet8 (PcdDTbtControllerType);
}
PeiTbtConfig->DTbtControllerConfig.CioPlugEventGpio.GpioPad = (GPIO_PAD) PcdGet32 (PcdDTbtCioPlugEventGpioPad);
if (GpioCheckFor2Tier(PeiTbtConfig->DTbtControllerConfig.CioPlugEventGpio.GpioPad)) {
PeiTbtConfig->DTbtControllerConfig.CioPlugEventGpio.AcpiGpeSignaturePorting = 0;
PeiTbtConfig->DTbtControllerConfig.CioPlugEventGpio.AcpiGpeSignature = SIGNATURE_32('X', 'T', 'B', 'T');
}
else {
PeiTbtConfig->DTbtControllerConfig.CioPlugEventGpio.AcpiGpeSignaturePorting = 1;
//
// Update Signature based on platform GPIO.
//
PeiTbtConfig->DTbtControllerConfig.CioPlugEventGpio.AcpiGpeSignature = SIGNATURE_32('X', 'T', 'B', 'T');
}
PeiTbtConfig->DTbtCommonConfig.TbtBootOn = PcdGet8 (PcdDTbtBootOn);
PeiTbtConfig->DTbtCommonConfig.TbtUsbOn = PcdGet8 (PcdDTbtUsbOn);
PeiTbtConfig->DTbtCommonConfig.Gpio3ForcePwr = PcdGet8 (PcdDTbtGpio3ForcePwr);
PeiTbtConfig->DTbtCommonConfig.Gpio3ForcePwrDly = PcdGet16 (PcdDTbtGpio3ForcePwrDly);
return;
}
/**
Print PEI TBT Policy
**/
VOID
EFIAPI
TbtPrintPeiPolicyConfig (
VOID
)
{
DEBUG_CODE_BEGIN ();
EFI_STATUS Status;
PEI_TBT_POLICY *PeiTbtConfig;
PeiTbtConfig = NULL;
Status = EFI_NOT_FOUND;
DEBUG ((DEBUG_INFO, "TbtPrintPolicyConfig Start\n"));
Status = PeiServicesLocatePpi (
&gPeiTbtPolicyPpiGuid,
0,
NULL,
(VOID **) &PeiTbtConfig
);
if (EFI_ERROR(Status)) {
DEBUG ((DEBUG_ERROR, " gPeiTbtPolicyPpiGuid Not installed!!!\n"));
}
ASSERT_EFI_ERROR (Status);
//
// Print DTBT Policy
//
DEBUG ((DEBUG_INFO, "\n------------------------ TBT Policy (PEI) Print BEGIN -----------------\n"));
DEBUG ((DEBUG_INFO, "Revision : 0x%x\n", PEI_TBT_POLICY_REVISION));
DEBUG ((DEBUG_INFO, "------------------------ PEI_TBT_CONFIG -----------------\n"));
DEBUG ((DEBUG_INFO, " Revision : %d\n", PEI_TBT_POLICY_REVISION));
DEBUG ((DEBUG_INFO, "PeiTbtConfig->DTbtControllerConfig.DTbtControllerEn = %x\n", PeiTbtConfig-> DTbtControllerConfig.DTbtControllerEn));
DEBUG ((DEBUG_INFO, "PeiTbtConfig->DTbtControllerConfig.Type = %x\n", PeiTbtConfig-> DTbtControllerConfig.Type));
DEBUG ((DEBUG_INFO, "PeiTbtConfig->DTbtControllerConfig.PcieRpNumber = %x\n", PeiTbtConfig-> DTbtControllerConfig.PcieRpNumber));
DEBUG ((DEBUG_INFO, "PeiTbtConfig->DTbtControllerConfig.ForcePwrGpio.GpioPad = %x\n", PeiTbtConfig-> DTbtControllerConfig.ForcePwrGpio.GpioPad));
DEBUG ((DEBUG_INFO, "PeiTbtConfig->DTbtControllerConfig.ForcePwrGpio.GpioLevel = %x\n", PeiTbtConfig-> DTbtControllerConfig.ForcePwrGpio.GpioLevel));
DEBUG ((DEBUG_INFO, "PeiTbtConfig->DTbtControllerConfig.PcieRstGpio.GpioPad = %x\n", PeiTbtConfig-> DTbtControllerConfig.PcieRstGpio.GpioPad));
DEBUG ((DEBUG_INFO, "PeiTbtConfig->DTbtControllerConfig.PcieRstGpio.GpioLevel = %x\n", PeiTbtConfig-> DTbtControllerConfig.PcieRstGpio.GpioLevel));
DEBUG ((DEBUG_INFO, "PeiTbtConfig->DTbtControllerConfig.CioPlugEventGpio.GpioPad = %x\n", PeiTbtConfig-> DTbtControllerConfig.CioPlugEventGpio.GpioPad));
DEBUG ((DEBUG_INFO, "PeiTbtConfig->DTbtControllerConfig.CioPlugEventGpio.AcpiGpeSignature = %x\n", PeiTbtConfig-> DTbtControllerConfig.CioPlugEventGpio.AcpiGpeSignature));
DEBUG ((DEBUG_INFO, "PeiTbtConfig->DTbtControllerConfig.CioPlugEventGpio.AcpiGpeSignaturePorting = %x\n", PeiTbtConfig-> DTbtControllerConfig.CioPlugEventGpio.AcpiGpeSignaturePorting));
//
// Print DTBT Common Policy
//
DEBUG ((DEBUG_INFO, "PeiTbtConfig->DTbtCommonConfig.TbtBootOn = %x\n", PeiTbtConfig->DTbtCommonConfig.TbtBootOn));
DEBUG ((DEBUG_INFO, "PeiTbtConfig->DTbtCommonConfig.TbtUsbOn = %x\n", PeiTbtConfig->DTbtCommonConfig.TbtUsbOn));
DEBUG ((DEBUG_INFO, "PeiTbtConfig->DTbtCommonConfig.Gpio3ForcePwr = %x\n", PeiTbtConfig->DTbtCommonConfig.Gpio3ForcePwr));
DEBUG ((DEBUG_INFO, "PeiTbtConfig->DTbtCommonConfig.Gpio3ForcePwrDly = %x\n", PeiTbtConfig->DTbtCommonConfig.Gpio3ForcePwrDly));
DEBUG ((DEBUG_INFO, "PeiTbtConfig->DTbtCommonConfig.DTbtSharedGpioConfiguration = %x\n", PeiTbtConfig->DTbtCommonConfig.DTbtSharedGpioConfiguration));
DEBUG ((DEBUG_INFO, "PeiTbtConfig->DTbtCommonConfig.PcieRstSupport = %x\n", PeiTbtConfig->DTbtCommonConfig.PcieRstSupport));
DEBUG ((DEBUG_INFO, "\n------------------------ TBT Policy (PEI) Print END -----------------\n"));
DEBUG_CODE_END ();
return;
}
/**
Install Tbt Policy
@retval EFI_SUCCESS The policy is installed.
@retval EFI_OUT_OF_RESOURCES Insufficient resources to create buffer
**/
EFI_STATUS
EFIAPI
InstallPeiTbtPolicy (
VOID
)
{
EFI_STATUS Status;
EFI_PEI_PPI_DESCRIPTOR *PeiTbtPolicyPpiDesc;
PEI_TBT_POLICY *PeiTbtConfig;
DEBUG ((DEBUG_INFO, "Install PEI TBT Policy\n"));
PeiTbtConfig = NULL;
//
// Allocate memory for PeiTbtPolicyPpiDesc
//
PeiTbtPolicyPpiDesc = (EFI_PEI_PPI_DESCRIPTOR *) AllocateZeroPool (sizeof (EFI_PEI_PPI_DESCRIPTOR));
ASSERT (PeiTbtPolicyPpiDesc != NULL);
if (PeiTbtPolicyPpiDesc == NULL) {
return EFI_OUT_OF_RESOURCES;
}
//
// Allocate memory and initialize all default to zero for PeiTbtPolicy
//
PeiTbtConfig = (PEI_TBT_POLICY *) AllocateZeroPool (sizeof (PEI_TBT_POLICY));
ASSERT (PeiTbtConfig != NULL);
if (PeiTbtConfig == NULL) {
return EFI_OUT_OF_RESOURCES;
}
//
// Initialize PPI
//
PeiTbtPolicyPpiDesc->Flags = EFI_PEI_PPI_DESCRIPTOR_PPI | EFI_PEI_PPI_DESCRIPTOR_TERMINATE_LIST;
PeiTbtPolicyPpiDesc->Guid = &gPeiTbtPolicyPpiGuid;
PeiTbtPolicyPpiDesc->Ppi = PeiTbtConfig;
Status = PeiServicesInstallPpi (PeiTbtPolicyPpiDesc);
ASSERT_EFI_ERROR (Status);
if (EFI_ERROR (Status)) {
DEBUG ((DEBUG_ERROR, "Install PEI TBT Policy failed\n"));
}
return Status;
}
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