DynamicTablesPkg/FdtHwInfoParserLib: Add Arm IORT parser

Add a parser for IORT. Currently generates PCI Root Complex and SMMUv3
nodes.

Signed-off-by: Sarah Walker <[email protected]>

Author: sarah-walker-arm

DynamicTablesPkg/Library/Common/DynamicPlatRepoLib/TokenMapper.c

@@ -72,6 +72,10 @@ TokenMapperAddObject (
       (GET_CM_OBJECT_ID (ObjectId) == EArchCommonObjCmRef))
   {
     CmObjDesc->Count = Size / sizeof (CM_ARCH_COMMON_OBJ_REF);
+  } else if ((GET_CM_NAMESPACE_ID (ObjectId) == EObjNameSpaceArm) &&
+             (GET_CM_OBJECT_ID (ObjectId) == EArmObjIdMappingArray))
+  {
+    CmObjDesc->Count = Size / sizeof (CM_ARM_ID_MAPPING);
   } else {
     CmObjDesc->Count = 1;
   }

DynamicTablesPkg/Library/FdtHwInfoParserLib/Arm/ArmFdtHwInfoParser.c

@@ -12,6 +12,8 @@
 #include "Arm/Gic/ArmGicDispatcher.h"
 #include "Pci/PciConfigSpaceParser.h"
 #include "Serial/SerialPortParser.h"
+#include "Arm/Iort/RootComplexParser.h"
+#include "Arm/Iort/SmmuV3Parser.h"
 
 /** Ordered table of parsers/dispatchers.
 
@@ -27,7 +29,9 @@ STATIC CONST FDT_HW_INFO_PARSER_FUNC  HwInfoParserTable[] = {
   ArmGenericTimerInfoParser,
   ArmGicDispatcher,
   PciConfigInfoParser,
-  SerialPortDispatcher
+  SerialPortDispatcher,
+  ArmPciRootComplexParser,
+  ArmSmmuV3Parser
 };
 
 /** Main dispatcher: sequentially call the parsers/dispatchers

DynamicTablesPkg/Library/FdtHwInfoParserLib/Arm/Iort/ArmIortParser.c

@@ -0,0 +1,19 @@
+/** @file
+  Arm IORT parser common functionality.
+
+  Copyright (c) 2025, ARM Limited. All rights reserved.<BR>
+  SPDX-License-Identifier: BSD-2-Clause-Patent
+**/
+
+#include <Library/BaseLib.h>
+#include "Arm/Iort/ArmIortParser.h"
+
+STATIC UINT16  IortIdentifier = 0;
+
+UINT16
+EFIAPI
+GetNextIortIdentifier (
+  )
+{
+  return IortIdentifier++;
+}

DynamicTablesPkg/Library/FdtHwInfoParserLib/Arm/Iort/ArmIortParser.h

@@ -0,0 +1,16 @@
+/** @file
+  ARM IORT parser common functionality.
+
+  Copyright (c) 2025, Arm Limited. All rights reserved.<BR>
+  SPDX-License-Identifier: BSD-2-Clause-Patent
+**/
+
+#ifndef ARM_IORT_PARSER_H_
+#define ARM_IORT_PARSER_H_
+
+UINT16
+EFIAPI
+GetNextIortIdentifier (
+  );
+
+#endif // ARM_IORT_PARSER_H_