REF: https://bugzilla.tianocore.org/show_bug.cgi?id=3171

Adds the following files:
  * Fru/TglCpu/CpuPcieRp/Library/PeiDxeSmmCpuPcieInfoFruLib
  * Fru/TglCpu/Vtd/LibraryPrivate/DxeVtdInitLib

Cc: Sai Chaganty <rangasai.v.chaga...@intel.com>
Cc: Nate DeSimone <nathaniel.l.desim...@intel.com>
Signed-off-by: Heng Luo <heng....@intel.com>
---
 
Silicon/Intel/TigerlakeSiliconPkg/Fru/TglCpu/CpuPcieRp/Library/PeiDxeSmmCpuPcieInfoFruLib/CpuPcieInfoFruLib.c
            | 81 
+++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
 
Silicon/Intel/TigerlakeSiliconPkg/Fru/TglCpu/CpuPcieRp/Library/PeiDxeSmmCpuPcieInfoFruLib/PeiDxeSmmCpuPcieInfoFruLib.inf
 | 36 ++++++++++++++++++++++++++++++++++++
 
Silicon/Intel/TigerlakeSiliconPkg/Fru/TglCpu/Vtd/LibraryPrivate/DxeVtdInitLib/DxeVtdInitFruLib.c
                         | 18 ++++++++++++++++++
 
Silicon/Intel/TigerlakeSiliconPkg/Fru/TglCpu/Vtd/LibraryPrivate/DxeVtdInitLib/DxeVtdInitFruLib.inf
                       | 39 +++++++++++++++++++++++++++++++++++++++
 4 files changed, 174 insertions(+)

diff --git 
a/Silicon/Intel/TigerlakeSiliconPkg/Fru/TglCpu/CpuPcieRp/Library/PeiDxeSmmCpuPcieInfoFruLib/CpuPcieInfoFruLib.c
 
b/Silicon/Intel/TigerlakeSiliconPkg/Fru/TglCpu/CpuPcieRp/Library/PeiDxeSmmCpuPcieInfoFruLib/CpuPcieInfoFruLib.c
new file mode 100644
index 0000000000..6a9bc89ecf
--- /dev/null
+++ 
b/Silicon/Intel/TigerlakeSiliconPkg/Fru/TglCpu/CpuPcieRp/Library/PeiDxeSmmCpuPcieInfoFruLib/CpuPcieInfoFruLib.c
@@ -0,0 +1,81 @@
+/** @file
+  CPU PCIe information library.
+
+  All function in this library is available for PEI, DXE, and SMM,
+  But do not support UEFI RUNTIME environment call.
+
+  Copyright (c) 2021, Intel Corporation. All rights reserved.<BR>
+  SPDX-License-Identifier: BSD-2-Clause-Patent
+**/
+#include <Uefi/UefiBaseType.h>
+#include <Library/DebugLib.h>
+#include <Library/BaseLib.h>
+#include <Library/PciSegmentLib.h>
+#include <Register/CpuPcieRegs.h>
+#include <Library/CpuPcieInfoFruLib.h>
+#include <Library/CpuPcieInitCommon.h>
+#include <CpuPcieInfo.h>
+#include <Register/SaRegsHostBridge.h>
+#include <PcieRegs.h>
+
+/**
+  Get Maximum CPU Pcie Root Port Number
+
+  @retval Maximum CPU Pcie Root Port Number
+**/
+UINT8
+GetMaxCpuPciePortNum (
+  VOID
+  )
+{
+  return CPU_PCIE_ULT_ULX_MAX_ROOT_PORT;
+}
+
+/**
+  Get CPU Pcie Root Port Device and Function Number by Root Port physical 
Number
+
+  @param[in]  RpNumber              Root port physical number. (0-based)
+  @param[out] RpDev                 Return corresponding root port device 
number.
+  @param[out] RpFun                 Return corresponding root port function 
number.
+
+  @retval     EFI_SUCCESS           Root port device and function is retrieved
+  @retval     EFI_INVALID_PARAMETER RpNumber is invalid
+**/
+EFI_STATUS
+EFIAPI
+GetCpuPcieRpDevFun (
+  IN  UINTN   RpNumber,
+  OUT UINTN   *RpDev,
+  OUT UINTN   *RpFun
+  )
+{
+  if (RpNumber > GetMaxCpuPciePortNum ()) {
+    DEBUG ((DEBUG_ERROR, "GetCpuPcieRpDevFun invalid RpNumber %x", RpNumber));
+    ASSERT (FALSE);
+    return EFI_INVALID_PARAMETER;
+  }
+  //
+  //  For TGL - U/Y only one CPU PCIE Root port is present
+  //
+  *RpDev = 6;
+  *RpFun = 0;
+  return EFI_SUCCESS;
+}
+/**
+
+  Gets pci segment base address of PCIe root port.
+
+  @param RpIndex    Root Port Index (0 based)
+
+  @return PCIe port base address.
+**/
+UINT64
+CpuPcieBase (
+  IN  UINT32   RpIndex
+  )
+{
+  UINTN   RpDevice;
+  UINTN   RpFunction;
+  GetCpuPcieRpDevFun (RpIndex, &RpDevice, &RpFunction);
+  return PCI_SEGMENT_LIB_ADDRESS (SA_SEG_NUM, SA_MC_BUS, (UINT32) RpDevice, 
(UINT32) RpFunction, 0);
+}
diff --git 
a/Silicon/Intel/TigerlakeSiliconPkg/Fru/TglCpu/CpuPcieRp/Library/PeiDxeSmmCpuPcieInfoFruLib/PeiDxeSmmCpuPcieInfoFruLib.inf
 
b/Silicon/Intel/TigerlakeSiliconPkg/Fru/TglCpu/CpuPcieRp/Library/PeiDxeSmmCpuPcieInfoFruLib/PeiDxeSmmCpuPcieInfoFruLib.inf
new file mode 100644
index 0000000000..b6a40b2f7c
--- /dev/null
+++ 
b/Silicon/Intel/TigerlakeSiliconPkg/Fru/TglCpu/CpuPcieRp/Library/PeiDxeSmmCpuPcieInfoFruLib/PeiDxeSmmCpuPcieInfoFruLib.inf
@@ -0,0 +1,36 @@
+## @file
+# CPU PCIe information library for TigerLake PCH.
+#
+# All function in this library is available for PEI, DXE, and SMM,
+# But do not support UEFI RUNTIME environment call.
+#
+#  Copyright (c) 2021, Intel Corporation. All rights reserved.<BR>
+#  SPDX-License-Identifier: BSD-2-Clause-Patent
+#
+##
+
+
+[Defines]
+INF_VERSION = 0x00010017
+BASE_NAME = PeiDxeSmmCpuPcieInfoFruLib
+FILE_GUID = 59CA5352-ED46-4449-BF1C-0D0074C4D5B1
+VERSION_STRING = 1.0
+MODULE_TYPE = BASE
+LIBRARY_CLASS = CpuPcieInfoFruLib
+
+
+[LibraryClasses]
+IoLib
+BaseLib
+DebugLib
+PrintLib
+PcdLib
+ConfigBlockLib
+CpuPcieInitCommonLib
+
+[Packages]
+MdePkg/MdePkg.dec
+TigerlakeSiliconPkg/SiPkg.dec
+
+[Sources]
+CpuPcieInfoFruLib.c
diff --git 
a/Silicon/Intel/TigerlakeSiliconPkg/Fru/TglCpu/Vtd/LibraryPrivate/DxeVtdInitLib/DxeVtdInitFruLib.c
 
b/Silicon/Intel/TigerlakeSiliconPkg/Fru/TglCpu/Vtd/LibraryPrivate/DxeVtdInitLib/DxeVtdInitFruLib.c
new file mode 100644
index 0000000000..d6e8096da6
--- /dev/null
+++ 
b/Silicon/Intel/TigerlakeSiliconPkg/Fru/TglCpu/Vtd/LibraryPrivate/DxeVtdInitLib/DxeVtdInitFruLib.c
@@ -0,0 +1,18 @@
+/** @file
+  DXE FRU Library to initialize Vtd
+
+  Copyright (c) 2021, Intel Corporation. All rights reserved.<BR>
+  SPDX-License-Identifier: BSD-2-Clause-Patent
+**/
+#include <Base.h>
+
+/**
+  For device that specified by Device Num and Function Num,
+  mDevEnMap is used to check device presence.
+  0x80 means use Device ID to detemine presence
+  0x8F means force to update
+
+  The structure is used to check if device scope is valid when update DMAR 
table
+**/
+UINT16  mDevEnMap[][2] = {{0x0200, 0x80}, {0x0500, 0x80}, {0x1400, 0x80}, 
{0x1401, 0x80}, {0x0700, 0x80}, {0x0701, 0x80}, {0x0702, 0x80}, {0x0703, 0x80}, 
{0x1302, 0x8F}, {0x1303, 0x8F}};
+UINTN   mDevEnMapSize = sizeof (mDevEnMap) / (sizeof (UINT16) * 2);
diff --git 
a/Silicon/Intel/TigerlakeSiliconPkg/Fru/TglCpu/Vtd/LibraryPrivate/DxeVtdInitLib/DxeVtdInitFruLib.inf
 
b/Silicon/Intel/TigerlakeSiliconPkg/Fru/TglCpu/Vtd/LibraryPrivate/DxeVtdInitLib/DxeVtdInitFruLib.inf
new file mode 100644
index 0000000000..e0aa88f68a
--- /dev/null
+++ 
b/Silicon/Intel/TigerlakeSiliconPkg/Fru/TglCpu/Vtd/LibraryPrivate/DxeVtdInitLib/DxeVtdInitFruLib.inf
@@ -0,0 +1,39 @@
+## @file
+# Library description file for DXE Phase Vtd Init
+#
+#  Copyright (c) 2021, Intel Corporation. All rights reserved.<BR>
+#  SPDX-License-Identifier: BSD-2-Clause-Patent
+#
+##
+
+
+[Defines]
+INF_VERSION = 0x00010017
+BASE_NAME = DxeVtdInitFruLib
+FILE_GUID = 18690D67-08A9-4DCE-B62D-CBE3AF7CFEE7
+VERSION_STRING = 1.0
+MODULE_TYPE = DXE_DRIVER
+LIBRARY_CLASS = DxeVtdFruLib
+
+
+[LibraryClasses]
+UefiLib
+UefiRuntimeServicesTableLib
+UefiBootServicesTableLib
+DebugLib
+DxeSaPolicyLib
+
+[Packages]
+MdePkg/MdePkg.dec
+TigerlakeSiliconPkg/SiPkg.dec
+
+[Protocols]
+gSaNvsAreaProtocolGuid                  ## CONSUMES
+
+[Sources]
+DxeVtdInitFruLib.c
+
+[FixedPcd]
+
+[Guids]
+gTcssHobGuid                            ## CONSUMES
-- 
2.24.0.windows.2



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