[edk2-platforms] [PATCH V1 1/2] CoffeeLakeSiliconPkg: Add Cometlake U Silicon support

["Kathappan Esakkithevar" <kathappan.esakkithevar@intel.com>]

REF:https://bugzilla.tianocore.org/show_bug.cgi?id=2280

Adds CPU model, SA Device ID, PCH SKU ID for Cometlake U V1.

Key files
=========
* CpuReg.h - Add CPU Family Model support.
* SaRegsHostBridge.h - Add SA Device ID support.
* MrcInterface.h - Add CPU Family Model support in MRC.
* PchRegsLpcCnl.h - Add PCH SKU ID support.

Signed-off-by: Kathappan Esakkithevar <kathappan.esakkithevar@intel.com>
Cc: Sai Chaganty <rangasai.v.chaganty@intel.com>
Cc: Chasel Chiu <chasel.chiu@intel.com>
Cc: Nate DeSimone <nathaniel.l.desimone@intel.com>
Cc: Deepika Kethi Reddy <deepika.kethi.reddy@intel.com>
Cc: Prince Agyeman <prince.agyeman@intel.com>
---
 .../Intel/CoffeelakeSiliconPkg/Cpu/Include/CpuRegs.h   |  5 ++++-
 .../PeiDxeSmmCpuPlatformLib/CpuPlatformLibrary.c       | 18 +++++++++++++++++-
 .../Pch/Include/Register/PchRegsLpcCnl.h               |  3 ++-
 .../Pch/Library/PeiDxeSmmPchInfoLib/PchInfoLibCnl.c    |  5 ++++-
 .../SystemAgent/Include/Register/SaRegsHostBridge.h    |  5 ++++-
 .../MemoryInit/Include/Coffeelake/MrcInterface.h       |  5 +++--
 6 files changed, 34 insertions(+), 7 deletions(-)

diff --git a/Silicon/Intel/CoffeelakeSiliconPkg/Cpu/Include/CpuRegs.h b/Silicon/Intel/CoffeelakeSiliconPkg/Cpu/Include/CpuRegs.h
index 68f2c019e2..4b9ce8d4d3 100644
--- a/Silicon/Intel/CoffeelakeSiliconPkg/Cpu/Include/CpuRegs.h
+++ b/Silicon/Intel/CoffeelakeSiliconPkg/Cpu/Include/CpuRegs.h
@@ -9,7 +9,7 @@
   - Definitions beginning with "S_" are register sizes
   - Definitions beginning with "N_" are the bit position
 
-  Copyright (c) 2019 Intel Corporation. All rights reserved. <BR>
+  Copyright (c) 2019 - 2020 Intel Corporation. All rights reserved. <BR>
 
   SPDX-License-Identifier: BSD-2-Clause-Patent
 **/
@@ -181,6 +181,7 @@
 #define CPUID_FULL_FAMILY_MODEL_COFFEELAKE_ULT_ULX 0x000806E0
 #define CPUID_FULL_FAMILY_MODEL_COFFEELAKE_DT_HALO 0x000906E0
 #define CPUID_FULL_FAMILY_MODEL_CANNONLAKE_DT_HALO 0x00060670
+#define CPUID_FULL_FAMILY_MODEL_COMETLAKE_ULT      0x000A0660
 
 #ifndef STALL_ONE_MICRO_SECOND
 #define STALL_ONE_MICRO_SECOND 1
@@ -206,6 +207,7 @@ typedef enum {
   EnumCpuCflUltUlx    = CPUID_FULL_FAMILY_MODEL_COFFEELAKE_ULT_ULX,
   EnumCpuCflDtHalo    = CPUID_FULL_FAMILY_MODEL_COFFEELAKE_DT_HALO,
   EnumCpuCnlDtHalo    = CPUID_FULL_FAMILY_MODEL_CANNONLAKE_DT_HALO,
+  EnumCpuCmlUlt       = CPUID_FULL_FAMILY_MODEL_COMETLAKE_ULT,
   EnumCpuMax          = CPUID_FULL_FAMILY_MODEL
 } CPU_FAMILY;
 
@@ -256,6 +258,7 @@ typedef enum {
 ///
 typedef enum {
   EnumCflCpu  = 0,
+  EnumCmlCpu,
   EnumCpuUnknownGeneration = 255
 } CPU_GENERATION;
 #endif
diff --git a/Silicon/Intel/CoffeelakeSiliconPkg/Cpu/Library/PeiDxeSmmCpuPlatformLib/CpuPlatformLibrary.c b/Silicon/Intel/CoffeelakeSiliconPkg/Cpu/Library/PeiDxeSmmCpuPlatformLib/CpuPlatformLibrary.c
index 18f2028fa9..702a10c9d8 100644
--- a/Silicon/Intel/CoffeelakeSiliconPkg/Cpu/Library/PeiDxeSmmCpuPlatformLib/CpuPlatformLibrary.c
+++ b/Silicon/Intel/CoffeelakeSiliconPkg/Cpu/Library/PeiDxeSmmCpuPlatformLib/CpuPlatformLibrary.c
@@ -1,7 +1,7 @@
 /** @file
   CPU Platform Lib implementation.
 
-  Copyright (c) 2019 Intel Corporation. All rights reserved. <BR>
+  Copyright (c) 2019 - 2020 Intel Corporation. All rights reserved. <BR>
 
   SPDX-License-Identifier: BSD-2-Clause-Patent
 **/
@@ -80,6 +80,15 @@ GetCpuSku (
   CpuDid = PciSegmentRead16 (PCI_SEGMENT_LIB_ADDRESS (SA_SEG_NUM, SA_MC_BUS, SA_MC_DEV, SA_MC_FUN, R_SA_MC_DEVICE_ID));
 
   switch (CpuFamilyModel) {
+    case CPUID_FULL_FAMILY_MODEL_COMETLAKE_ULT:
+      switch (CpuDid) {
+        case V_SA_DEVICE_ID_CML_ULT_1:   // CML ULT
+        case V_SA_DEVICE_ID_CML_ULT_2:   // CML ULT
+        case V_SA_DEVICE_ID_CML_ULT_3:   // CML ULT
+          CpuType = EnumCpuUlt;
+          break;
+      }
+      break;
     case CPUID_FULL_FAMILY_MODEL_COFFEELAKE_ULT_ULX:
       switch (CpuDid) {
         case V_SA_DEVICE_ID_KBL_MB_ULT_1:    // KBL ULT OPI
@@ -87,6 +96,9 @@ GetCpuSku (
         case V_SA_DEVICE_ID_CFL_ULT_2:       // CFL ULT
         case V_SA_DEVICE_ID_CFL_ULT_3:       // CFL ULT
         case V_SA_DEVICE_ID_CFL_ULT_4:       // CFL ULT
+        case V_SA_DEVICE_ID_CML_ULT_1:       // CML ULT
+        case V_SA_DEVICE_ID_CML_ULT_2:       // CML ULT
+        case V_SA_DEVICE_ID_CML_ULT_3:       // CML ULT
           CpuType = EnumCpuUlt;
           break;
 
@@ -378,6 +390,10 @@ GetCpuGeneration (
       CpuGeneration = EnumCflCpu;
       break;
 
+    case EnumCpuCmlUlt:
+      CpuGeneration = EnumCmlCpu;
+      break;
+
     default:
       CpuGeneration = EnumCpuUnknownGeneration;
       ASSERT (FALSE);
diff --git a/Silicon/Intel/CoffeelakeSiliconPkg/Pch/Include/Register/PchRegsLpcCnl.h b/Silicon/Intel/CoffeelakeSiliconPkg/Pch/Include/Register/PchRegsLpcCnl.h
index 74789a87ce..e8a18cac3e 100644
--- a/Silicon/Intel/CoffeelakeSiliconPkg/Pch/Include/Register/PchRegsLpcCnl.h
+++ b/Silicon/Intel/CoffeelakeSiliconPkg/Pch/Include/Register/PchRegsLpcCnl.h
@@ -21,7 +21,7 @@
   - Registers / bits of new devices introduced in a PCH generation will be just named
     as "_PCH_" without [generation_name] inserted.
 
-  Copyright (c) 2019 Intel Corporation. All rights reserved. <BR>
+  Copyright (c) 2019 - 2020 Intel Corporation. All rights reserved. <BR>
 
   SPDX-License-Identifier: BSD-2-Clause-Patent
 **/
@@ -31,6 +31,7 @@
 
 #define V_LPC_CFG_DID_CNL_H                       0xA300
 #define V_LPC_CFG_DID_CNL_LP                      0x9D80
+#define V_LPC_CFG_DID_CML_LP                      0x0280
 
 //
 // PCH-LP Device IDs
diff --git a/Silicon/Intel/CoffeelakeSiliconPkg/Pch/Library/PeiDxeSmmPchInfoLib/PchInfoLibCnl.c b/Silicon/Intel/CoffeelakeSiliconPkg/Pch/Library/PeiDxeSmmPchInfoLib/PchInfoLibCnl.c
index 431b1470c2..da6479f212 100644
--- a/Silicon/Intel/CoffeelakeSiliconPkg/Pch/Library/PeiDxeSmmPchInfoLib/PchInfoLibCnl.c
+++ b/Silicon/Intel/CoffeelakeSiliconPkg/Pch/Library/PeiDxeSmmPchInfoLib/PchInfoLibCnl.c
@@ -4,7 +4,7 @@
   All function in this library is available for PEI, DXE, and SMM,
   But do not support UEFI RUNTIME environment call.
 
-  Copyright (c) 2019 Intel Corporation. All rights reserved. <BR>
+  Copyright (c) 2019 - 2020 Intel Corporation. All rights reserved. <BR>
 
   SPDX-License-Identifier: BSD-2-Clause-Patent
 **/
@@ -37,6 +37,9 @@ PchSeriesFromLpcDid (
     case V_LPC_CFG_DID_CNL_LP:
       return PCH_LP;
 
+    case V_LPC_CFG_DID_CML_LP:
+      return PCH_LP;
+
     default:
       return PCH_UNKNOWN_SERIES;
   }
diff --git a/Silicon/Intel/CoffeelakeSiliconPkg/SystemAgent/Include/Register/SaRegsHostBridge.h b/Silicon/Intel/CoffeelakeSiliconPkg/SystemAgent/Include/Register/SaRegsHostBridge.h
index 2cc0e5be68..67bbf13d77 100644
--- a/Silicon/Intel/CoffeelakeSiliconPkg/SystemAgent/Include/Register/SaRegsHostBridge.h
+++ b/Silicon/Intel/CoffeelakeSiliconPkg/SystemAgent/Include/Register/SaRegsHostBridge.h
@@ -15,7 +15,7 @@
   - Registers / bits of new devices introduced in a SA generation will be just named
     as "_SA_" without [generation_name] inserted.
 
-  Copyright (c) 2019 Intel Corporation. All rights reserved. <BR>
+  Copyright (c) 2019 - 2020 Intel Corporation. All rights reserved. <BR>
 
   SPDX-License-Identifier: BSD-2-Clause-Patent
 **/
@@ -112,6 +112,9 @@
 #define V_SA_DEVICE_ID_CFL_ULT_4        0x3E35   ///< CoffeeLake Mobile (CFL-U 2+(1 or 2)) SA DID
 #define V_SA_DEVICE_ID_CFL_ULT_6        0x3ECC   ///< CoffeeLake Mobile (CFL-U 2+3e) SA DID
 
+#define V_SA_DEVICE_ID_CML_ULT_1        0x9B51  ///< CometLake (CML-U 6+2) SA DID
+#define V_SA_DEVICE_ID_CML_ULT_2        0x9B61  ///< CometLake (CML-U 4+2) SA DID
+#define V_SA_DEVICE_ID_CML_ULT_3        0x9B71  ///< CometLake (CML-U 2+2) SA DID
 //
 // CoffeeLake CPU Desktop SA Device IDs B0:D0:F0
 //
diff --git a/Silicon/Intel/CoffeelakeSiliconPkg/SystemAgent/MemoryInit/Include/Coffeelake/MrcInterface.h b/Silicon/Intel/CoffeelakeSiliconPkg/SystemAgent/MemoryInit/Include/Coffeelake/MrcInterface.h
index 635906cc2b..b9b390cc71 100644
--- a/Silicon/Intel/CoffeelakeSiliconPkg/SystemAgent/MemoryInit/Include/Coffeelake/MrcInterface.h
+++ b/Silicon/Intel/CoffeelakeSiliconPkg/SystemAgent/MemoryInit/Include/Coffeelake/MrcInterface.h
@@ -1,7 +1,7 @@
 /** @file
   This file includes all the data structures that the MRC considers "global data".
 
-  Copyright (c) 2019 Intel Corporation. All rights reserved. <BR>
+  Copyright (c) 2019 - 2020 Intel Corporation. All rights reserved. <BR>
 
   SPDX-License-Identifier: BSD-2-Clause-Patent
 **/
@@ -477,7 +477,8 @@ typedef enum {
 ///
 typedef enum {
   cmCFL_ULX_ULT   = CPUID_FULL_FAMILY_MODEL_COFFEELAKE_ULT_ULX,  ///< Coffeelake ULT/ULX
-  cmCFL_DT_HALO   = CPUID_FULL_FAMILY_MODEL_COFFEELAKE_DT_HALO   ///< Coffeelake DT/Halo
+  cmCFL_DT_HALO   = CPUID_FULL_FAMILY_MODEL_COFFEELAKE_DT_HALO,  ///< Coffeelake DT/Halo
+  cmCML_ULX_ULT   = CPUID_FULL_FAMILY_MODEL_COMETLAKE_ULT        ///< Cometlake ULT/ULX
 } MrcCpuModel;
 
 ///
-- 
2.16.2.windows.1