diff --git a/ArmVirtPkg/MemoryInitPei/MemoryInitPeim.c b/ArmVirtPkg/MemoryInitPei/MemoryInitPeim.c
new file mode 100644
index 0000000000..ef88a9df1d
--- /dev/null
+++ b/ArmVirtPkg/MemoryInitPei/MemoryInitPeim.c
@@ -0,0 +1,104 @@
+/** @file
+
+  Copyright (c) 2011, ARM Limited. All rights reserved.
+  Copyright (c) 2022, Google LLC. All rights reserved.
+
+  SPDX-License-Identifier: BSD-2-Clause-Patent
+
+**/
+
+#include <PiPei.h>
+#include <Library/ArmPlatformLib.h>
+#include <Library/DebugLib.h>
+#include <Library/HobLib.h>
+#include <Library/PeimEntryPoint.h>
+#include <Library/PeiServicesLib.h>
+#include <Library/PcdLib.h>
+#include <Guid/MemoryTypeInformation.h>
+
+EFI_STATUS
+EFIAPI
+MemoryPeim (
+  IN EFI_PHYSICAL_ADDRESS  UefiMemoryBase,
+  IN UINT64                UefiMemorySize
+  );
+
+/**
+  Build the memory type information HOB that describes how many pages of each
+  type to preallocate when initializing the GCD memory map.
+**/
+VOID
+EFIAPI
+BuildMemoryTypeInformationHob (
+  VOID
+  )
+{
+  EFI_MEMORY_TYPE_INFORMATION  Info[10];
+
+  Info[0].Type          = EfiACPIReclaimMemory;
+  Info[0].NumberOfPages = FixedPcdGet32 (PcdMemoryTypeEfiACPIReclaimMemory);
+  Info[1].Type          = EfiACPIMemoryNVS;
+  Info[1].NumberOfPages = FixedPcdGet32 (PcdMemoryTypeEfiACPIMemoryNVS);
+  Info[2].Type          = EfiReservedMemoryType;
+  Info[2].NumberOfPages = FixedPcdGet32 (PcdMemoryTypeEfiReservedMemoryType);
+  Info[3].Type          = EfiRuntimeServicesData;
+  Info[3].NumberOfPages = FixedPcdGet32 (PcdMemoryTypeEfiRuntimeServicesData);
+  Info[4].Type          = EfiRuntimeServicesCode;
+  Info[4].NumberOfPages = FixedPcdGet32 (PcdMemoryTypeEfiRuntimeServicesCode);
+  Info[5].Type          = EfiBootServicesCode;
+  Info[5].NumberOfPages = FixedPcdGet32 (PcdMemoryTypeEfiBootServicesCode);
+  Info[6].Type          = EfiBootServicesData;
+  Info[6].NumberOfPages = FixedPcdGet32 (PcdMemoryTypeEfiBootServicesData);
+  Info[7].Type          = EfiLoaderCode;
+  Info[7].NumberOfPages = FixedPcdGet32 (PcdMemoryTypeEfiLoaderCode);
+  Info[8].Type          = EfiLoaderData;
+  Info[8].NumberOfPages = FixedPcdGet32 (PcdMemoryTypeEfiLoaderData);
+
+  // Terminator for the list
+  Info[9].Type          = EfiMaxMemoryType;
+  Info[9].NumberOfPages = 0;
+
+  BuildGuidDataHob (&gEfiMemoryTypeInformationGuid, &Info, sizeof (Info));
+}
+
+/**
+  Module entry point.
+
+  @param[in]    FileHandle    Handle of the file being invoked.
+  @param[in]    PeiServices   Describes the list of possible PEI Services.
+
+  @return       EFI_SUCCESS unless the operation failed.
+**/
+EFI_STATUS
+EFIAPI
+InitializeMemory (
+  IN       EFI_PEI_FILE_HANDLE  FileHandle,
+  IN CONST EFI_PEI_SERVICES     **PeiServices
+  )
+{
+  UINTN       UefiMemoryBase;
+  EFI_STATUS  Status;
+
+  ASSERT (FixedPcdGet64 (PcdSystemMemoryBase) < (UINT64)MAX_ALLOC_ADDRESS);
+
+  //
+  // Put the permanent PEI memory in the first 128 MiB of DRAM so that
+  // it is covered by the statically configured ID map.
+  //
+  UefiMemoryBase = (UINTN)FixedPcdGet64 (PcdSystemMemoryBase) + SIZE_128MB
+                   - FixedPcdGet32 (PcdSystemMemoryUefiRegionSize);
+
+  Status = PeiServicesInstallPeiMemory (
+             UefiMemoryBase,
+             FixedPcdGet32 (PcdSystemMemoryUefiRegionSize)
+             );
+  ASSERT_EFI_ERROR (Status);
+
+  Status = MemoryPeim (
+             UefiMemoryBase,
+             FixedPcdGet32 (PcdSystemMemoryUefiRegionSize)
+             );
+  ASSERT_EFI_ERROR (Status);
+
+  return Status;
+}
diff --git a/ArmVirtPkg/MemoryInitPei/MemoryInitPeim.inf b/ArmVirtPkg/MemoryInitPei/MemoryInitPeim.inf
new file mode 100644
index 0000000000..2039f71a0e
--- /dev/null
+++ b/ArmVirtPkg/MemoryInitPei/MemoryInitPeim.inf
@@ -0,0 +1,59 @@
+## @file
+#  Implementation of MemoryInitPeim that uses the first 128 MiB at the base of
+#  DRAM as permanent PEI memory
+#
+#  Copyright (c) 2011-2014, ARM Ltd. All rights reserved.<BR>
+#  Copyright (c) 2022, Google LLC. All rights reserved.<BR>
+#
+#  SPDX-License-Identifier: BSD-2-Clause-Patent
+#
+##
+
+[Defines]
+  INF_VERSION                    = 1.27
+  BASE_NAME                      = MemoryInit
+  FILE_GUID                      = 0fbffd44-f98f-4e1c-9922-e9b21f13c3f8
+  MODULE_TYPE                    = PEIM
+  VERSION_STRING                 = 1.0
+  ENTRY_POINT                    = InitializeMemory
+
+[Sources]
+  MemoryInitPeim.c
+
+[Packages]
+  MdePkg/MdePkg.dec
+  MdeModulePkg/MdeModulePkg.dec
+  EmbeddedPkg/EmbeddedPkg.dec
+  ArmPkg/ArmPkg.dec
+  ArmPlatformPkg/ArmPlatformPkg.dec
+
+[LibraryClasses]
+  PeimEntryPoint
+  DebugLib
+  HobLib
+  ArmLib
+  ArmPlatformLib
+  MemoryInitPeiLib
+
+[Guids]
+  gEfiMemoryTypeInformationGuid
+
+[FeaturePcd]
+  gEmbeddedTokenSpaceGuid.PcdPrePiProduceMemoryTypeInformationHob
+
+[FixedPcd]
+  gArmTokenSpaceGuid.PcdSystemMemoryBase
+  gArmPlatformTokenSpaceGuid.PcdSystemMemoryUefiRegionSize
+
+  gEmbeddedTokenSpaceGuid.PcdMemoryTypeEfiACPIReclaimMemory
+  gEmbeddedTokenSpaceGuid.PcdMemoryTypeEfiACPIMemoryNVS
+  gEmbeddedTokenSpaceGuid.PcdMemoryTypeEfiReservedMemoryType
+  gEmbeddedTokenSpaceGuid.PcdMemoryTypeEfiRuntimeServicesData
+  gEmbeddedTokenSpaceGuid.PcdMemoryTypeEfiRuntimeServicesCode
+  gEmbeddedTokenSpaceGuid.PcdMemoryTypeEfiBootServicesCode
+  gEmbeddedTokenSpaceGuid.PcdMemoryTypeEfiBootServicesData
+  gEmbeddedTokenSpaceGuid.PcdMemoryTypeEfiLoaderCode
+  gEmbeddedTokenSpaceGuid.PcdMemoryTypeEfiLoaderData
+
+[Depex]
+  TRUE