diff --git a/IntelFsp2WrapperPkg/FspmWrapperPeim/FspmWrapperPeim.c b/IntelFsp2WrapperPkg/FspmWrapperPeim/FspmWrapperPeim.c
index d9fbb2141752..d88061407643 100644
--- a/IntelFsp2WrapperPkg/FspmWrapperPeim/FspmWrapperPeim.c
+++ b/IntelFsp2WrapperPkg/FspmWrapperPeim/FspmWrapperPeim.c
@@ -124,6 +124,17 @@ PeiFspMemoryInit (
   TimeStampCounterStart = AsmReadTsc ();
   Status                = CallFspMemoryInit (FspmUpdDataPtr, &FspHobListPtr);
 
+  //
+  // FspHobList is not complete at this moment.
+  // Save FspHobList pointer to hob, so that it can be got later
+  //
+  HobData = BuildGuidHob (
+              &gFspHobGuid,
+              sizeof (VOID *)
+              );
+  ASSERT (HobData != NULL);
+  CopyMem (HobData, &FspHobListPtr, sizeof (FspHobListPtr));
+
   //
   // Reset the system if FSP API returned FSP_STATUS_RESET_REQUIRED status
   //
@@ -167,17 +178,6 @@ PeiFspMemoryInit (
 
   PostFspmHobProcess (FspHobListPtr);
 
-  //
-  // FspHobList is not complete at this moment.
-  // Save FspHobList pointer to hob, so that it can be got later
-  //
-  HobData = BuildGuidHob (
-              &gFspHobGuid,
-              sizeof (VOID *)
-              );
-  ASSERT (HobData != NULL);
-  CopyMem (HobData, &FspHobListPtr, sizeof (FspHobListPtr));
-
   return Status;
 }
 
diff --git a/IntelFsp2WrapperPkg/Library/FspWrapperMultiPhaseProcessLib/FspWrapperMultiPhaseProcessLib.inf b/IntelFsp2WrapperPkg/Library/FspWrapperMultiPhaseProcessLib/FspWrapperMultiPhaseProcessLib.inf
index e76a7465f2f1..16ad3414067b 100644
--- a/IntelFsp2WrapperPkg/Library/FspWrapperMultiPhaseProcessLib/FspWrapperMultiPhaseProcessLib.inf
+++ b/IntelFsp2WrapperPkg/Library/FspWrapperMultiPhaseProcessLib/FspWrapperMultiPhaseProcessLib.inf
@@ -38,11 +38,16 @@
   FspWrapperPlatformLib
   PeiServicesLib
   FspWrapperPlatformMultiPhaseLib
+  BaseMemoryLib
+  HobLib
 
 [Ppis]
   gEfiPeiReadOnlyVariable2PpiGuid
   gEdkiiPeiVariablePpiGuid
 
+[Guids]
+  gFspHobGuid       ## CONSUMES
+
 [Pcd]
   gIntelFsp2WrapperTokenSpaceGuid.PcdFspmBaseAddress       ## CONSUMES
   gIntelFsp2WrapperTokenSpaceGuid.PcdFspsBaseAddress       ## CONSUMES
diff --git a/IntelFsp2WrapperPkg/Library/FspWrapperMultiPhaseProcessLib/PeiFspWrapperMultiPhaseProcessLib.c b/IntelFsp2WrapperPkg/Library/FspWrapperMultiPhaseProcessLib/PeiFspWrapperMultiPhaseProcessLib.c
index 224c24881dd2..68331c701d73 100644
--- a/IntelFsp2WrapperPkg/Library/FspWrapperMultiPhaseProcessLib/PeiFspWrapperMultiPhaseProcessLib.c
+++ b/IntelFsp2WrapperPkg/Library/FspWrapperMultiPhaseProcessLib/PeiFspWrapperMultiPhaseProcessLib.c
@@ -17,6 +17,8 @@
 #include <Ppi/Variable.h>
 #include <Library/PeiServicesLib.h>
 #include <Library/FspWrapperPlatformMultiPhaseLib.h>
+#include <Library/BaseMemoryLib.h>
+#include <Library/HobLib.h>
 
 /**
   Execute 32-bit FSP API entry code.
@@ -156,6 +158,8 @@ FspWrapperVariableRequestHandler (
   EDKII_PEI_VARIABLE_PPI                            *VariablePpi;
   BOOLEAN                                           WriteVariableSupport;
   FSP_MULTI_PHASE_COMPLETE_VARIABLE_REQUEST_PARAMS  CompleteVariableRequestParams;
+  VOID                                              *GuidHob;
+  VOID                                              *HobData;
 
   WriteVariableSupport = TRUE;
   Status               = PeiServicesLocatePpi (
@@ -288,6 +292,16 @@ FspWrapperVariableRequestHandler (
     }
   }
 
+  //
+  // Refresh FspHobList pointer stored in HOB.
+  //
+  GuidHob = GetFirstGuidHob (&gFspHobGuid);
+  ASSERT (GuidHob != NULL);
+  if (GuidHob != NULL) {
+    HobData = GET_GUID_HOB_DATA (GuidHob);
+    CopyMem (HobData, FspHobListPtr, sizeof (*FspHobListPtr));
+  }
+
   //
   // Reset the system if FSP API returned FSP_STATUS_RESET_REQUIRED status
   //
@@ -321,6 +335,8 @@ FspWrapperMultiPhaseHandler (
   FSP_MULTI_PHASE_GET_NUMBER_OF_PHASES_PARAMS  FspMultiPhaseGetNumber;
   UINT32                                       Index;
   UINT32                                       NumOfPhases;
+  VOID                                         *GuidHob;
+  VOID                                         *HobData;
 
   //
   // Query FSP for the number of phases supported.
@@ -352,6 +368,16 @@ FspWrapperMultiPhaseHandler (
     FspMultiPhaseParams.MultiPhaseParamPtr = NULL;
     Status                                 = CallFspMultiPhaseEntry (&FspMultiPhaseParams, FspHobListPtr, ComponentIndex);
 
+    //
+    // Refresh FspHobList pointer stored in HOB.
+    //
+    GuidHob = GetFirstGuidHob (&gFspHobGuid);
+    ASSERT (GuidHob != NULL);
+    if (GuidHob != NULL) {
+      HobData = GET_GUID_HOB_DATA (GuidHob);
+      CopyMem (HobData, FspHobListPtr, sizeof (*FspHobListPtr));
+    }
+
     if (Status == FSP_STATUS_VARIABLE_REQUEST) {
       //
       // call to Variable request handler
diff --git a/UefiPayloadPkg/Library/FdtParserLib/FdtParserLib.c b/UefiPayloadPkg/Library/FdtParserLib/FdtParserLib.c
index 372ca0776558..05780a2c19f2 100644
--- a/UefiPayloadPkg/Library/FdtParserLib/FdtParserLib.c
+++ b/UefiPayloadPkg/Library/FdtParserLib/FdtParserLib.c
@@ -60,6 +60,8 @@ typedef enum {
                                        EFI_PCI_IO_ATTRIBUTE_ISA_IO | \
                                        EFI_PCI_IO_ATTRIBUTE_ISA_MOTHERBOARD_IO)
 
+#define UPL_ALIGN_DOWN(Addr)  ((UINT64)(Addr) & ~(UINT64)(EFI_PAGE_SIZE - 1))
+
 extern VOID                         *mHobList;
 UNIVERSAL_PAYLOAD_PCI_ROOT_BRIDGES  *mPciRootBridgeInfo = NULL;
 INT32                               mNode[0x500]        = { 0 };
@@ -289,7 +291,12 @@ ParseReservedMemory (
         BuildMemoryAllocationHob (StartAddress, NumberOfBytes, EfiACPIMemoryNVS);
       } else if (AsciiStrnCmp (TempStr, "acpi", AsciiStrLen ("acpi")) == 0) {
         DEBUG ((DEBUG_INFO, "  acpi, StartAddress:%x, NumberOfBytes:%x\n", StartAddress, NumberOfBytes));
-        BuildMemoryAllocationHob (StartAddress, NumberOfBytes, EfiBootServicesData);
+
+        BuildMemoryAllocationHob (
+          UPL_ALIGN_DOWN (StartAddress),
+          ALIGN_VALUE (NumberOfBytes, EFI_PAGE_SIZE),
+          EfiBootServicesData
+          );
         PlatformAcpiTable = BuildGuidHob (&gUniversalPayloadAcpiTableGuid, sizeof (UNIVERSAL_PAYLOAD_ACPI_TABLE));
         if (PlatformAcpiTable != NULL) {
           DEBUG ((DEBUG_INFO, " build gUniversalPayloadAcpiTableGuid , NumberOfBytes:%x\n", NumberOfBytes));