diff options
Diffstat (limited to 'Platform/Intel/KabylakeOpenBoardPkg/Features/Tbt/TbtInit/Dxe/TbtDxe.c')
| -rw-r--r-- | Platform/Intel/KabylakeOpenBoardPkg/Features/Tbt/TbtInit/Dxe/TbtDxe.c | 233 |
1 files changed, 233 insertions, 0 deletions
diff --git a/Platform/Intel/KabylakeOpenBoardPkg/Features/Tbt/TbtInit/Dxe/TbtDxe.c b/Platform/Intel/KabylakeOpenBoardPkg/Features/Tbt/TbtInit/Dxe/TbtDxe.c new file mode 100644 index 0000000000..cfe38d8018 --- /dev/null +++ b/Platform/Intel/KabylakeOpenBoardPkg/Features/Tbt/TbtInit/Dxe/TbtDxe.c @@ -0,0 +1,233 @@ +/** @file
+
+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 <Uefi.h>
+#include <Library/BaseMemoryLib.h>
+#include <Library/TbtCommonLib.h>
+#include <Library/DxeTbtPolicyLib.h>
+#include <TbtBoardInfo.h>
+#include <Protocol/DxeTbtPolicy.h>
+#include <Protocol/TbtNvsArea.h>
+#include <Library/DebugLib.h>
+#include <Library/HobLib.h>
+#include <Library/UefiBootServicesTableLib.h>
+#include <Library/UefiRuntimeServicesTableLib.h>
+#include <Library/UefiLib.h>
+#include <Uefi/UefiSpec.h>
+#include <Library/PcdLib.h>
+#include <Library/AslUpdateLib.h>
+
+GLOBAL_REMOVE_IF_UNREFERENCED TBT_NVS_AREA_PROTOCOL mTbtNvsAreaProtocol;
+GLOBAL_REMOVE_IF_UNREFERENCED TBT_INFO_HOB *gTbtInfoHob = NULL;
+
+/**
+ TBT NVS Area Initialize
+
+**/
+
+VOID
+TbtNvsAreaInit (
+ IN VOID **mTbtNvsAreaPtr
+ )
+{
+ UINTN Pages;
+ EFI_PHYSICAL_ADDRESS Address;
+ EFI_STATUS Status;
+ TBT_NVS_AREA_PROTOCOL *TbtNvsAreaProtocol;
+ DXE_TBT_POLICY_PROTOCOL *DxeTbtConfig;
+
+ DEBUG ((DEBUG_INFO, "TbtNvsAreaInit Start\n"));
+ Status = gBS->LocateProtocol (
+ &gDxeTbtPolicyProtocolGuid,
+ NULL,
+ (VOID **) &DxeTbtConfig
+ );
+ ASSERT_EFI_ERROR (Status);
+
+ Pages = EFI_SIZE_TO_PAGES (sizeof (TBT_NVS_AREA));
+ Address = 0xffffffff; // allocate address below 4G.
+
+ Status = gBS->AllocatePages (
+ AllocateMaxAddress,
+ EfiACPIMemoryNVS,
+ Pages,
+ &Address
+ );
+ ASSERT_EFI_ERROR (Status);
+
+ *mTbtNvsAreaPtr = (VOID *) (UINTN) Address;
+ SetMem (*mTbtNvsAreaPtr, sizeof (TBT_NVS_AREA), 0);
+
+ //
+ // TBTNvsAreaProtocol default value init here
+ //
+ TbtNvsAreaProtocol = (TBT_NVS_AREA_PROTOCOL *) &Address;
+
+ //
+ // Initialize default values
+ //
+ TbtNvsAreaProtocol->Area->WAKFinished = 0;
+ TbtNvsAreaProtocol->Area->DiscreteTbtSupport = ((gTbtInfoHob-> DTbtControllerConfig.DTbtControllerEn == 1 ) ? TRUE : FALSE);
+ TbtNvsAreaProtocol->Area->TbtAcpiRemovalSupport = 0;
+ TbtNvsAreaProtocol->Area->TbtGpioFilter = (UINT8) DxeTbtConfig->TbtCommonConfig.Gpio5Filter;
+// TbtNvsAreaProtocol->Area->TrOsup = (UINT8) DxeTbtConfig->TbtCommonConfig.TrA0OsupWa;
+ TbtNvsAreaProtocol->Area->TbtFrcPwrEn = gTbtInfoHob->DTbtCommonConfig.Gpio3ForcePwr;
+ TbtNvsAreaProtocol->Area->TbtAspm = (UINT8) DxeTbtConfig->TbtCommonConfig.TbtAspm;
+// TbtNvsAreaProtocol->Area->TbtL1SubStates = (UINT8) DxeTbtConfig->TbtCommonConfig.TbtL1SubStates;
+ TbtNvsAreaProtocol->Area->TbtSetClkReq = (UINT8) DxeTbtConfig->TbtCommonConfig.TbtSetClkReq;
+ TbtNvsAreaProtocol->Area->TbtLtr = (UINT8) DxeTbtConfig->TbtCommonConfig.TbtLtr;
+// TbtNvsAreaProtocol->Area->TbtPtm = (UINT8) DxeTbtConfig->TbtCommonConfig.TbtPtm;
+ TbtNvsAreaProtocol->Area->TbtWakeupSupport = (UINT8) DxeTbtConfig->TbtCommonConfig.TbtWakeupSupport;
+ TbtNvsAreaProtocol->Area->TbtAcDcSwitch = (UINT8) DxeTbtConfig->TbtCommonConfig.TbtAcDcSwitch;
+ TbtNvsAreaProtocol->Area->Rtd3TbtSupport = (UINT8) DxeTbtConfig->TbtCommonConfig.Rtd3Tbt; // TBT RTD3 Enable.
+ TbtNvsAreaProtocol->Area->Rtd3TbtOffDelay = (UINT16) DxeTbtConfig->TbtCommonConfig.Rtd3TbtOffDelay; // TBT RTD3 Off delay in ms.
+ TbtNvsAreaProtocol->Area->Rtd3TbtClkReq = (UINT8) DxeTbtConfig->TbtCommonConfig.Rtd3TbtClkReq; // TBT RTD3 ClkReq Mask Enable.
+ TbtNvsAreaProtocol->Area->Rtd3TbtClkReqDelay = (UINT16) DxeTbtConfig->TbtCommonConfig.Rtd3TbtClkReqDelay; // TBT RTD3 ClkReq mask delay in ms.
+ TbtNvsAreaProtocol->Area->TbtWin10Support = (UINT8) DxeTbtConfig->TbtCommonConfig.Win10Support; // TBT FW Execution Mode
+
+ //
+ // DTBT Controller 1
+ //
+ TbtNvsAreaProtocol->Area->DTbtControllerEn0 = gTbtInfoHob-> DTbtControllerConfig.DTbtControllerEn;
+ TbtNvsAreaProtocol->Area->RootportSelected0 = gTbtInfoHob-> DTbtControllerConfig.PcieRpNumber;
+ TbtNvsAreaProtocol->Area->RootportSelected0Type = gTbtInfoHob-> DTbtControllerConfig.Type;
+ TbtNvsAreaProtocol->Area->RootportEnabled0 = gTbtInfoHob-> DTbtControllerConfig.DTbtControllerEn;
+ TbtNvsAreaProtocol->Area->TbtFrcPwrGpioNo0 = gTbtInfoHob-> DTbtControllerConfig.ForcePwrGpio.GpioPad;
+ TbtNvsAreaProtocol->Area->TbtFrcPwrGpioLevel0 = gTbtInfoHob-> DTbtControllerConfig.ForcePwrGpio.GpioLevel;
+ TbtNvsAreaProtocol->Area->TbtCioPlugEventGpioNo0 = gTbtInfoHob-> DTbtControllerConfig.CioPlugEventGpio.GpioPad;
+ TbtNvsAreaProtocol->Area->TbtPcieRstGpioNo0 = gTbtInfoHob-> DTbtControllerConfig.PcieRstGpio.GpioPad;
+ TbtNvsAreaProtocol->Area->TbtPcieRstGpioLevel0 = gTbtInfoHob-> DTbtControllerConfig.PcieRstGpio.GpioLevel;
+
+ TbtNvsAreaProtocol->Area->TBtCommonGpioSupport = gTbtInfoHob->DTbtCommonConfig.DTbtSharedGpioConfiguration;
+
+ DEBUG ((DEBUG_INFO, "TbtNvsAreaInit End\n"));
+}
+
+/**
+ This function gets registered as a callback to patch TBT ASL code
+
+ @param[in] Event - A pointer to the Event that triggered the callback.
+ @param[in] Context - A pointer to private data registered with the callback function.
+ can we put this also in read me
+**/
+VOID
+EFIAPI
+TbtAcpiEndOfDxeCallback (
+ IN EFI_EVENT Event,
+ IN VOID *Context
+ )
+{
+ EFI_STATUS Status;
+ UINT32 Address;
+ UINT16 Length;
+ UINT32 Signature;
+
+ Status = InitializeAslUpdateLib ();
+ ASSERT_EFI_ERROR (Status);
+
+ Address = (UINT32) (UINTN) mTbtNvsAreaProtocol.Area;
+ Length = (UINT16) sizeof (TBT_NVS_AREA);
+ DEBUG ((DEBUG_INFO, "Patch TBT NvsAreaAddress: TBT NVS Address %x Length %x\n", Address, Length));
+ Status = UpdateNameAslCode (SIGNATURE_32 ('T','N','V','B'), &Address, sizeof (Address));
+ ASSERT_EFI_ERROR (Status);
+ Status = UpdateNameAslCode (SIGNATURE_32 ('T','N','V','L'), &Length, sizeof (Length));
+ ASSERT_EFI_ERROR (Status);
+
+ if (gTbtInfoHob != NULL) {
+ if (gTbtInfoHob-> DTbtControllerConfig.DTbtControllerEn == 1) {
+ if (gTbtInfoHob-> DTbtControllerConfig.CioPlugEventGpio.AcpiGpeSignaturePorting == TRUE) {
+ DEBUG ((DEBUG_INFO, "Patch ATBT Method Name\n"));
+ Signature = gTbtInfoHob-> DTbtControllerConfig.CioPlugEventGpio.AcpiGpeSignature;
+ Status = UpdateNameAslCode (SIGNATURE_32 ('A','T','B','T'), &Signature, sizeof (Signature));
+ ASSERT_EFI_ERROR (Status);
+ }
+ }
+ }
+
+ return;
+}
+
+/**
+ Initialize Thunderbolt(TM) SSDT ACPI tables
+
+ @retval EFI_SUCCESS ACPI tables are initialized successfully
+ @retval EFI_NOT_FOUND ACPI tables not found
+**/
+
+EFI_STATUS
+EFIAPI
+TbtDxeEntryPoint (
+ IN EFI_HANDLE ImageHandle,
+ IN EFI_SYSTEM_TABLE *SystemTable
+ )
+{
+ EFI_STATUS Status;
+ EFI_HANDLE Handle;
+ // EFI_EVENT EndOfDxeEvent;
+
+ DEBUG ((DEBUG_INFO, "TbtDxeEntryPoint \n"));
+
+ //
+ // Get TBT INFO HOB
+ //
+ gTbtInfoHob = (TBT_INFO_HOB *) GetFirstGuidHob (&gTbtInfoHobGuid);
+ if (gTbtInfoHob == NULL) {
+ return EFI_NOT_FOUND;
+ }
+ InstallTbtPolicy (ImageHandle);
+ //
+ // Update DXE TBT Policy
+ //
+ UpdateTbtPolicyCallback ();
+
+ //
+ // Print DXE TBT Policy
+ //
+ TbtPrintDxePolicyConfig ();
+
+ //
+ // Initialize Tbt Nvs Area
+ //
+ TbtNvsAreaInit ((VOID **) &mTbtNvsAreaProtocol.Area);
+
+
+ //
+ // [ACPI] Thunderbolt ACPI table
+ //
+
+
+ Handle = NULL;
+
+ Status = gBS->InstallMultipleProtocolInterfaces (
+ &Handle,
+ &gTbtNvsAreaProtocolGuid,
+ &mTbtNvsAreaProtocol,
+ NULL
+ );
+ ASSERT_EFI_ERROR (Status);
+
+ //
+ // Register an end of DXE event for TBT ACPI to do some patch can be put as description
+ //
+ /**
+ Status = gBS->CreateEventEx (
+ EVT_NOTIFY_SIGNAL,
+ TPL_CALLBACK,
+ TbtAcpiEndOfDxeCallback,
+ NULL,
+ &gEfiEndOfDxeEventGroupGuid,
+ &EndOfDxeEvent
+ );
+ ASSERT_EFI_ERROR (Status);
+**/
+ return EFI_SUCCESS;
+}
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