diff --git a/UefiPayloadPkg/BlSupportDxe/AArch64/BlSupport.c b/UefiPayloadPkg/BlSupportDxe/AArch64/BlSupport.c
new file mode 100644
index 0000000000..4c5eaa729f
--- /dev/null
+++ b/UefiPayloadPkg/BlSupportDxe/AArch64/BlSupport.c
@@ -0,0 +1,96 @@
+/** @file
+  This file handles post bootloader stage operations for AARCH64 architecture.
+
+  Copyright 2025 Google LLC
+  SPDX-License-Identifier: BSD-2-Clause-Patent
+
+**/
+
+#include <AArch64/AArch64.h>
+#include <Library/ArmLib.h>
+#include <Library/ArmMmuLib.h>
+#include <Library/BaseLib.h>
+#include <Library/BaseMemoryLib.h>
+#include <Library/DebugLib.h>
+#include <Library/HobLib.h>
+#include <Library/PcdLib.h>
+#include <Protocol/Cpu.h>
+
+#include "BlSupportDxe.h"
+
+#define MAX_DESCRIPTORS  256
+ARM_MEMORY_REGION_DESCRIPTOR  VirtualMemoryTable[MAX_DESCRIPTORS];
+
+STATIC
+EFI_STATUS
+BlUpdateMemoryMap (
+  VOID
+  )
+{
+  EFI_STATUS                   Status;
+  EFI_PEI_HOB_POINTERS         Hob;
+  EFI_HOB_RESOURCE_DESCRIPTOR  *Resource;
+  VOID                         *TranslationTableBase;
+  UINTN                        TranslationTableSize;
+  UINTN                        Idx = 0;
+
+  Hob.Raw = GetFirstHob (EFI_HOB_TYPE_RESOURCE_DESCRIPTOR);
+
+  while (Hob.Raw != NULL) {
+    Resource = (EFI_HOB_RESOURCE_DESCRIPTOR *)Hob.Raw;
+    Hob.Raw  = GET_NEXT_HOB (Hob);
+    Hob.Raw  = GetNextHob (EFI_HOB_TYPE_RESOURCE_DESCRIPTOR, Hob.Raw);
+
+    VirtualMemoryTable[Idx].PhysicalBase = Resource->PhysicalStart;
+    VirtualMemoryTable[Idx].VirtualBase  = VirtualMemoryTable[Idx].PhysicalBase;
+    VirtualMemoryTable[Idx].Length       = ALIGN_VALUE (Resource->ResourceLength, EFI_PAGE_SIZE);
+
+    if (Resource->ResourceType == EFI_RESOURCE_SYSTEM_MEMORY) {
+      VirtualMemoryTable[Idx].Attributes = ARM_MEMORY_REGION_ATTRIBUTE_WRITE_BACK;
+    } else if (Resource->ResourceType == EFI_RESOURCE_MEMORY_MAPPED_IO) {
+      VirtualMemoryTable[Idx].Attributes = ARM_MEMORY_REGION_ATTRIBUTE_DEVICE;
+    } else {
+      VirtualMemoryTable[Idx].Attributes = ARM_MEMORY_REGION_ATTRIBUTE_UNCACHED_UNBUFFERED;
+    }
+
+    Idx++;
+    ASSERT (Idx <= MAX_DESCRIPTORS);
+  }
+
+  Status = ArmConfigureMmu (VirtualMemoryTable, &TranslationTableBase, &TranslationTableSize);
+  ASSERT_EFI_ERROR (Status);
+
+  return Status;
+}
+
+/**
+  Architecture level additional operation which needs to be performed before
+  launching payload.
+
+  @param[in] ImageHandle    The firmware allocated handle for the EFI image.
+  @param[in] SystemTable    A pointer to the EFI System Table.
+
+  @retval EFI_SUCCESS       The entry point is executed successfully.
+
+**/
+EFI_STATUS
+EFIAPI
+BlArchAdditionalOps (
+  IN EFI_HANDLE        ImageHandle,
+  IN EFI_SYSTEM_TABLE  *SystemTable
+  )
+{
+  RETURN_STATUS  Status = EFI_SUCCESS;
+
+  if (!ArmMmuEnabled ()) {
+    // Enable MMU if MMU is disabled.
+    Status = BlUpdateMemoryMap ();
+    if (EFI_ERROR (Status)) {
+      DEBUG ((DEBUG_ERROR, "%a: Failed to enable MMU: %r\n", __func__, Status));
+      ASSERT_EFI_ERROR (Status);
+      return Status;
+    }
+  }
+
+  return Status;
+}
diff --git a/UefiPayloadPkg/BlSupportDxe/BlSupportDxe.inf b/UefiPayloadPkg/BlSupportDxe/BlSupportDxe.inf
index 43b69e62d8..4c15fd4eab 100644
--- a/UefiPayloadPkg/BlSupportDxe/BlSupportDxe.inf
+++ b/UefiPayloadPkg/BlSupportDxe/BlSupportDxe.inf
@@ -30,10 +30,14 @@
 [Sources.IA32, Sources.X64]
   X86/BlSupport.c
 
+[Sources.AARCH64]
+  AArch64/BlSupport.c
+
 [Packages]
   MdePkg/MdePkg.dec
   MdeModulePkg/MdeModulePkg.dec
   UefiPayloadPkg/UefiPayloadPkg.dec
+  UefiCpuPkg/UefiCpuPkg.dec
 
 [LibraryClasses]
   UefiDriverEntryPoint
@@ -44,10 +48,16 @@
   UefiLib
   HobLib
 
+[LibraryClasses.AARCH64]
+  ArmMmuLib
+
 [Guids]
   gUefiAcpiBoardInfoGuid
   gEfiGraphicsInfoHobGuid
 
+[Protocols]
+  gEfiCpuArchProtocolGuid
+
 [Pcd]
   gEfiMdeModulePkgTokenSpaceGuid.PcdVideoHorizontalResolution
   gEfiMdeModulePkgTokenSpaceGuid.PcdVideoVerticalResolution
@@ -56,5 +66,8 @@
   gEfiMdePkgTokenSpaceGuid.PcdPciExpressBaseAddress
   gEfiMdePkgTokenSpaceGuid.PcdPciExpressBaseSize
 
+[Pcd.AARCH64]
+  gEfiMdeModulePkgTokenSpaceGuid.PcdSerialRegisterBase
+
 [Depex]
   TRUE