diff options
Diffstat (limited to 'Platform/Intel/KabylakeOpenBoardPkg/Features/Tbt/TbtInit/Pei/PeiTbtInit.c')
| -rw-r--r-- | Platform/Intel/KabylakeOpenBoardPkg/Features/Tbt/TbtInit/Pei/PeiTbtInit.c | 216 |
1 files changed, 216 insertions, 0 deletions
diff --git a/Platform/Intel/KabylakeOpenBoardPkg/Features/Tbt/TbtInit/Pei/PeiTbtInit.c b/Platform/Intel/KabylakeOpenBoardPkg/Features/Tbt/TbtInit/Pei/PeiTbtInit.c new file mode 100644 index 0000000000..a9a022844d --- /dev/null +++ b/Platform/Intel/KabylakeOpenBoardPkg/Features/Tbt/TbtInit/Pei/PeiTbtInit.c @@ -0,0 +1,216 @@ +/** @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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