[edk2] [PATCH] IntelFsp2WrapperPkg: Support UPD allocation outside FspWrapper

Chasel, Chiu posted 1 patch 7 years, 1 month ago
Failed in applying to current master (apply log)
.../FspmWrapperPeim/FspmWrapperPeim.c              | 25 ++++---
.../FspmWrapperPeim/FspmWrapperPeim.inf            |  3 +-
.../FspsWrapperPeim/FspsWrapperPeim.c              | 84 +++++++++++-----------
.../FspsWrapperPeim/FspsWrapperPeim.inf            |  3 +-
IntelFsp2WrapperPkg/IntelFsp2WrapperPkg.dec        | 13 +++-
5 files changed, 76 insertions(+), 52 deletions(-)
[edk2] [PATCH] IntelFsp2WrapperPkg: Support UPD allocation outside FspWrapper
Posted by Chasel, Chiu 7 years, 1 month ago
UPD allocation and patching can be done outside FspWrapper
as implementation choice so adding a PCD to select between
original FspWrapper allocation model or outside model

Cc: Jiewen Yao <Jiewen.yao@intel.com>
Contributed-under: TianoCore Contribution Agreement 1.0
Signed-off-by: Chasel Chiu <chasel.chiu@intel.com>
---
 .../FspmWrapperPeim/FspmWrapperPeim.c              | 25 ++++---
 .../FspmWrapperPeim/FspmWrapperPeim.inf            |  3 +-
 .../FspsWrapperPeim/FspsWrapperPeim.c              | 84 +++++++++++-----------
 .../FspsWrapperPeim/FspsWrapperPeim.inf            |  3 +-
 IntelFsp2WrapperPkg/IntelFsp2WrapperPkg.dec        | 13 +++-
 5 files changed, 76 insertions(+), 52 deletions(-)

diff --git a/IntelFsp2WrapperPkg/FspmWrapperPeim/FspmWrapperPeim.c b/IntelFsp2WrapperPkg/FspmWrapperPeim/FspmWrapperPeim.c
index f1d1cd6421..7b7c5f5d86 100644
--- a/IntelFsp2WrapperPkg/FspmWrapperPeim/FspmWrapperPeim.c
+++ b/IntelFsp2WrapperPkg/FspmWrapperPeim/FspmWrapperPeim.c
@@ -3,7 +3,7 @@
   register TemporaryRamDonePpi to call TempRamExit API, and register MemoryDiscoveredPpi
   notify to call FspSiliconInit API.
 
-  Copyright (c) 2014 - 2016, Intel Corporation. All rights reserved.<BR>
+  Copyright (c) 2014 - 2017, Intel Corporation. All rights reserved.<BR>
   This program and the accompanying materials
   are licensed and made available under the terms and conditions of the BSD License
   which accompanies this distribution.  The full text of the license may be found at
@@ -63,20 +63,29 @@ PeiFspMemoryInit (
   DEBUG ((DEBUG_INFO, "PeiFspMemoryInit enter\n"));
 
   FspHobListPtr = NULL;
+  FspmUpdDataPtr = NULL;
 
-  //
-  // Copy default FSP-M UPD data from Flash
-  //
   FspmHeaderPtr = (FSP_INFO_HEADER *)FspFindFspHeader (PcdGet32 (PcdFspmBaseAddress));
   DEBUG ((DEBUG_INFO, "FspmHeaderPtr - 0x%x\n", FspmHeaderPtr));
   if (FspmHeaderPtr == NULL) {
     return EFI_DEVICE_ERROR;
   }
 
-  FspmUpdDataPtr = (FSPM_UPD_COMMON *)AllocateZeroPool ((UINTN)FspmHeaderPtr->CfgRegionSize);
-  ASSERT (FspmUpdDataPtr != NULL);
-  SourceData = (UINTN *)((UINTN)FspmHeaderPtr->ImageBase + (UINTN)FspmHeaderPtr->CfgRegionOffset);
-  CopyMem (FspmUpdDataPtr, SourceData, (UINTN)FspmHeaderPtr->CfgRegionSize);
+  if (PcdGet32 (PcdFspmUpdDataAddress) == 0 && (FspmHeaderPtr->CfgRegionSize != 0) && (FspmHeaderPtr->CfgRegionOffset != 0)) {
+    //
+    // Copy default FSP-M UPD data from Flash
+    //
+    FspmUpdDataPtr = (FSPM_UPD_COMMON *)AllocateZeroPool ((UINTN)FspmHeaderPtr->CfgRegionSize);
+    ASSERT (FspmUpdDataPtr != NULL);
+    SourceData = (UINTN *)((UINTN)FspmHeaderPtr->ImageBase + (UINTN)FspmHeaderPtr->CfgRegionOffset);
+    CopyMem (FspmUpdDataPtr, SourceData, (UINTN)FspmHeaderPtr->CfgRegionSize);
+  } else {
+    //
+    // External UPD is ready, get the buffer from PCD pointer.
+    //
+    FspmUpdDataPtr = (FSPM_UPD_COMMON *)PcdGet32 (PcdFspmUpdDataAddress);
+    ASSERT (FspmUpdDataPtr != NULL);
+  }
 
   DEBUG ((DEBUG_INFO, "UpdateFspmUpdData enter\n"));
   UpdateFspmUpdData ((VOID *)FspmUpdDataPtr);
diff --git a/IntelFsp2WrapperPkg/FspmWrapperPeim/FspmWrapperPeim.inf b/IntelFsp2WrapperPkg/FspmWrapperPeim/FspmWrapperPeim.inf
index 2b3d240d08..542356b582 100644
--- a/IntelFsp2WrapperPkg/FspmWrapperPeim/FspmWrapperPeim.inf
+++ b/IntelFsp2WrapperPkg/FspmWrapperPeim/FspmWrapperPeim.inf
@@ -59,7 +59,8 @@
   IntelFsp2WrapperPkg/IntelFsp2WrapperPkg.dec
 
 [Pcd]
-  gIntelFsp2WrapperTokenSpaceGuid.PcdFspmBaseAddress  ## CONSUMES
+  gIntelFsp2WrapperTokenSpaceGuid.PcdFspmBaseAddress     ## CONSUMES
+  gIntelFsp2WrapperTokenSpaceGuid.PcdFspmUpdDataAddress  ## CONSUMES
 
 [Sources]
   FspmWrapperPeim.c
diff --git a/IntelFsp2WrapperPkg/FspsWrapperPeim/FspsWrapperPeim.c b/IntelFsp2WrapperPkg/FspsWrapperPeim/FspsWrapperPeim.c
index ddc19c7e8f..70dac7a414 100644
--- a/IntelFsp2WrapperPkg/FspsWrapperPeim/FspsWrapperPeim.c
+++ b/IntelFsp2WrapperPkg/FspsWrapperPeim/FspsWrapperPeim.c
@@ -3,7 +3,7 @@
   register TemporaryRamDonePpi to call TempRamExit API, and register MemoryDiscoveredPpi
   notify to call FspSiliconInit API.
 
-  Copyright (c) 2014 - 2016, Intel Corporation. All rights reserved.<BR>
+  Copyright (c) 2014 - 2017, Intel Corporation. All rights reserved.<BR>
   This program and the accompanying materials
   are licensed and made available under the terms and conditions of the BSD License
   which accompanies this distribution.  The full text of the license may be found at
@@ -44,14 +44,14 @@ extern EFI_PEI_NOTIFY_DESCRIPTOR mS3EndOfPeiNotifyDesc;
 extern EFI_GUID                  gFspHobGuid;
 
 /**
-This function handles S3 resume task at the end of PEI
+  This function handles S3 resume task at the end of PEI
 
-@param[in] PeiServices    Pointer to PEI Services Table.
-@param[in] NotifyDesc     Pointer to the descriptor for the Notification event that
-caused this function to execute.
-@param[in] Ppi            Pointer to the PPI data associated with this function.
+  @param[in] PeiServices    Pointer to PEI Services Table.
+  @param[in] NotifyDesc     Pointer to the descriptor for the Notification event that
+                            caused this function to execute.
+  @param[in] Ppi            Pointer to the PPI data associated with this function.
 
-@retval EFI_STATUS        Always return EFI_SUCCESS
+  @retval EFI_STATUS        Always return EFI_SUCCESS
 **/
 EFI_STATUS
 EFIAPI
@@ -68,14 +68,14 @@ EFI_PEI_NOTIFY_DESCRIPTOR mS3EndOfPeiNotifyDesc = {
 };
 
 /**
-This function handles S3 resume task at the end of PEI
+  This function handles S3 resume task at the end of PEI
 
-@param[in] PeiServices    Pointer to PEI Services Table.
-@param[in] NotifyDesc     Pointer to the descriptor for the Notification event that
-caused this function to execute.
-@param[in] Ppi            Pointer to the PPI data associated with this function.
+  @param[in] PeiServices    Pointer to PEI Services Table.
+  @param[in] NotifyDesc     Pointer to the descriptor for the Notification event that
+                            caused this function to execute.
+  @param[in] Ppi            Pointer to the PPI data associated with this function.
 
-@retval EFI_STATUS        Always return EFI_SUCCESS
+  @retval EFI_STATUS        Always return EFI_SUCCESS
 **/
 EFI_STATUS
 EFIAPI
@@ -130,13 +130,13 @@ S3EndOfPeiNotify(
 }
 
 /**
-Return Hob list produced by FSP.
+  Return Hob list produced by FSP.
 
-@param[in]  PeiServices  The pointer to the PEI Services Table.
-@param[in]  This         The pointer to this instance of this PPI.
-@param[out] FspHobList   The pointer to Hob list produced by FSP.
+  @param[in]  PeiServices  The pointer to the PEI Services Table.
+  @param[in]  This         The pointer to this instance of this PPI.
+  @param[out] FspHobList   The pointer to Hob list produced by FSP.
 
-@return EFI_SUCCESS FReturn Hob list produced by FSP successfully.
+  @return EFI_SUCCESS FReturn Hob list produced by FSP successfully.
 **/
 EFI_STATUS
 EFIAPI
@@ -157,13 +157,13 @@ EFI_PEI_PPI_DESCRIPTOR            mPeiFspSiliconInitDonePpi = {
 };
 
 /**
-Return Hob list produced by FSP.
+  Return Hob list produced by FSP.
 
-@param[in]  PeiServices  The pointer to the PEI Services Table.
-@param[in]  This         The pointer to this instance of this PPI.
-@param[out] FspHobList   The pointer to Hob list produced by FSP.
+  @param[in]  PeiServices  The pointer to the PEI Services Table.
+  @param[in]  This         The pointer to this instance of this PPI.
+  @param[out] FspHobList   The pointer to Hob list produced by FSP.
 
-@return EFI_SUCCESS FReturn Hob list produced by FSP successfully.
+  @return EFI_SUCCESS FReturn Hob list produced by FSP successfully.
 **/
 EFI_STATUS
 EFIAPI
@@ -209,14 +209,14 @@ EFI_PEI_NOTIFY_DESCRIPTOR mPeiMemoryDiscoveredNotifyDesc = {
 };
 
 /**
-This function is called after PEI core discover memory and finish migration.
+  This function is called after PEI core discover memory and finish migration.
 
-@param[in] PeiServices    Pointer to PEI Services Table.
-@param[in] NotifyDesc     Pointer to the descriptor for the Notification event that
-caused this function to execute.
-@param[in] Ppi            Pointer to the PPI data associated with this function.
+  @param[in] PeiServices    Pointer to PEI Services Table.
+  @param[in] NotifyDesc     Pointer to the descriptor for the Notification event that
+                            caused this function to execute.
+  @param[in] Ppi            Pointer to the PPI data associated with this function.
 
-@retval EFI_STATUS        Always return EFI_SUCCESS
+  @retval EFI_STATUS        Always return EFI_SUCCESS
 **/
 EFI_STATUS
 EFIAPI
@@ -234,22 +234,27 @@ PeiMemoryDiscoveredNotify (
   FSPS_UPD_COMMON           *FspsUpdDataPtr;
   UINTN                     *SourceData;
 
-  
   DEBUG ((DEBUG_INFO, "PeiMemoryDiscoveredNotify enter\n"));
-  
-  //
-  // Copy default FSP-S UPD data from Flash
-  //
+  FspsUpdDataPtr = NULL;
+
   FspsHeaderPtr = (FSP_INFO_HEADER *)FspFindFspHeader (PcdGet32 (PcdFspsBaseAddress));
   DEBUG ((DEBUG_INFO, "FspsHeaderPtr - 0x%x\n", FspsHeaderPtr));
   if (FspsHeaderPtr == NULL) {
     return EFI_DEVICE_ERROR;
   }
 
-  FspsUpdDataPtr = (FSPS_UPD_COMMON *)AllocateZeroPool ((UINTN)FspsHeaderPtr->CfgRegionSize);
-  ASSERT (FspsUpdDataPtr != NULL);
-  SourceData = (UINTN *)((UINTN)FspsHeaderPtr->ImageBase + (UINTN)FspsHeaderPtr->CfgRegionOffset);
-  CopyMem (FspsUpdDataPtr, SourceData, (UINTN)FspsHeaderPtr->CfgRegionSize);
+  if (PcdGet32 (PcdFspsUpdDataAddress) == 0 && (FspsHeaderPtr->CfgRegionSize != 0) && (FspsHeaderPtr->CfgRegionOffset != 0)) {
+    //
+    // Copy default FSP-S UPD data from Flash
+    //
+    FspsUpdDataPtr = (FSPS_UPD_COMMON *)AllocateZeroPool ((UINTN)FspsHeaderPtr->CfgRegionSize);
+    ASSERT (FspsUpdDataPtr != NULL);
+    SourceData = (UINTN *)((UINTN)FspsHeaderPtr->ImageBase + (UINTN)FspsHeaderPtr->CfgRegionOffset);
+    CopyMem (FspsUpdDataPtr, SourceData, (UINTN)FspsHeaderPtr->CfgRegionSize);
+  } else {
+    FspsUpdDataPtr = (FSPS_UPD_COMMON *)PcdGet32 (PcdFspsUpdDataAddress);
+    ASSERT (FspsUpdDataPtr != NULL);
+  }
 
   UpdateFspsUpdData ((VOID *)FspsUpdDataPtr);
 
@@ -314,7 +319,7 @@ FspsWrapperInit (
   //
   Status = PeiServicesNotifyPpi (&mPeiMemoryDiscoveredNotifyDesc);
   ASSERT_EFI_ERROR (Status);
-      
+
   //
   // Register EndOfPei Notify for S3 to run FSP NotifyPhase
   //
@@ -342,7 +347,6 @@ FspsWrapperPeimEntryPoint (
   IN CONST EFI_PEI_SERVICES     **PeiServices
   )
 {
-
   DEBUG ((DEBUG_INFO, "FspsWrapperPeimEntryPoint\n"));
 
   FspsWrapperInit ();
diff --git a/IntelFsp2WrapperPkg/FspsWrapperPeim/FspsWrapperPeim.inf b/IntelFsp2WrapperPkg/FspsWrapperPeim/FspsWrapperPeim.inf
index c858e7097d..cd87a99c40 100644
--- a/IntelFsp2WrapperPkg/FspsWrapperPeim/FspsWrapperPeim.inf
+++ b/IntelFsp2WrapperPkg/FspsWrapperPeim/FspsWrapperPeim.inf
@@ -66,7 +66,8 @@
   gEfiPeiMemoryDiscoveredPpiGuid        ## NOTIFY
 
 [Pcd]
-  gIntelFsp2WrapperTokenSpaceGuid.PcdFspsBaseAddress  ## CONSUMES
+  gIntelFsp2WrapperTokenSpaceGuid.PcdFspsBaseAddress     ## CONSUMES
+  gIntelFsp2WrapperTokenSpaceGuid.PcdFspsUpdDataAddress  ## CONSUMES
 
 [Guids]
   gFspHobGuid                           ## CONSUMES ## HOB
diff --git a/IntelFsp2WrapperPkg/IntelFsp2WrapperPkg.dec b/IntelFsp2WrapperPkg/IntelFsp2WrapperPkg.dec
index c0881852c5..7634619f80 100644
--- a/IntelFsp2WrapperPkg/IntelFsp2WrapperPkg.dec
+++ b/IntelFsp2WrapperPkg/IntelFsp2WrapperPkg.dec
@@ -1,7 +1,7 @@
 ## @file
 # Provides drivers and definitions to support fsp in EDKII bios.
 #
-# Copyright (c) 2014 - 2016, Intel Corporation. All rights reserved.<BR>
+# Copyright (c) 2014 - 2017, Intel Corporation. All rights reserved.<BR>
 # This program and the accompanying materials are licensed and made available under
 # the terms and conditions of the BSD License that accompanies this distribution.
 # The full text of the license may be found at
@@ -95,4 +95,13 @@
 
 [PcdsFixedAtBuild, PcdsPatchableInModule,PcdsDynamic,PcdsDynamicEx]
   gIntelFsp2WrapperTokenSpaceGuid.PcdFspsBaseAddress|0x00000000|UINT32|0x00001001
-  
\ No newline at end of file
+  #
+  # To provide flexibility for platform to pre-allocate FSP UPD buffer
+  #
+  # The PCDs define the pre-allocated FSPM and FSPS UPD Data Buffer Address.
+  # 0x00000000 - Platform will not pre-allocate UPD buffer before FspWrapper module
+  # non-zero   - Platform will pre-allocate UPD buffer and patch this value to
+  #              buffer address before FspWrapper module executing.
+  #
+  gIntelFsp2WrapperTokenSpaceGuid.PcdFspmUpdDataAddress|0x00000000|UINT32|0x50000000
+  gIntelFsp2WrapperTokenSpaceGuid.PcdFspsUpdDataAddress|0x00000000|UINT32|0x50000001
\ No newline at end of file
-- 
2.13.3.windows.1

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Re: [edk2] [PATCH] IntelFsp2WrapperPkg: Support UPD allocation outside FspWrapper
Posted by Yao, Jiewen 7 years ago
Reviewed-by: Jiewen.yao@intel.com

> -----Original Message-----
> From: edk2-devel [mailto:edk2-devel-bounces@lists.01.org] On Behalf Of Chasel,
> Chiu
> Sent: Thursday, November 23, 2017 10:30 AM
> To: edk2-devel@lists.01.org
> Cc: Yao, Jiewen <jiewen.yao@intel.com>
> Subject: [edk2] [PATCH] IntelFsp2WrapperPkg: Support UPD allocation outside
> FspWrapper
> 
> UPD allocation and patching can be done outside FspWrapper
> as implementation choice so adding a PCD to select between
> original FspWrapper allocation model or outside model
> 
> Cc: Jiewen Yao <Jiewen.yao@intel.com>
> Contributed-under: TianoCore Contribution Agreement 1.0
> Signed-off-by: Chasel Chiu <chasel.chiu@intel.com>
> ---
>  .../FspmWrapperPeim/FspmWrapperPeim.c              | 25 ++++---
>  .../FspmWrapperPeim/FspmWrapperPeim.inf            |  3 +-
>  .../FspsWrapperPeim/FspsWrapperPeim.c              | 84
> +++++++++++-----------
>  .../FspsWrapperPeim/FspsWrapperPeim.inf            |  3 +-
>  IntelFsp2WrapperPkg/IntelFsp2WrapperPkg.dec        | 13 +++-
>  5 files changed, 76 insertions(+), 52 deletions(-)
> 
> diff --git a/IntelFsp2WrapperPkg/FspmWrapperPeim/FspmWrapperPeim.c
> b/IntelFsp2WrapperPkg/FspmWrapperPeim/FspmWrapperPeim.c
> index f1d1cd6421..7b7c5f5d86 100644
> --- a/IntelFsp2WrapperPkg/FspmWrapperPeim/FspmWrapperPeim.c
> +++ b/IntelFsp2WrapperPkg/FspmWrapperPeim/FspmWrapperPeim.c
> @@ -3,7 +3,7 @@
>    register TemporaryRamDonePpi to call TempRamExit API, and register
> MemoryDiscoveredPpi
>    notify to call FspSiliconInit API.
> 
> -  Copyright (c) 2014 - 2016, Intel Corporation. All rights reserved.<BR>
> +  Copyright (c) 2014 - 2017, Intel Corporation. All rights reserved.<BR>
>    This program and the accompanying materials
>    are licensed and made available under the terms and conditions of the BSD
> License
>    which accompanies this distribution.  The full text of the license may be
> found at
> @@ -63,20 +63,29 @@ PeiFspMemoryInit (
>    DEBUG ((DEBUG_INFO, "PeiFspMemoryInit enter\n"));
> 
>    FspHobListPtr = NULL;
> +  FspmUpdDataPtr = NULL;
> 
> -  //
> -  // Copy default FSP-M UPD data from Flash
> -  //
>    FspmHeaderPtr = (FSP_INFO_HEADER *)FspFindFspHeader (PcdGet32
> (PcdFspmBaseAddress));
>    DEBUG ((DEBUG_INFO, "FspmHeaderPtr - 0x%x\n", FspmHeaderPtr));
>    if (FspmHeaderPtr == NULL) {
>      return EFI_DEVICE_ERROR;
>    }
> 
> -  FspmUpdDataPtr = (FSPM_UPD_COMMON *)AllocateZeroPool
> ((UINTN)FspmHeaderPtr->CfgRegionSize);
> -  ASSERT (FspmUpdDataPtr != NULL);
> -  SourceData = (UINTN *)((UINTN)FspmHeaderPtr->ImageBase +
> (UINTN)FspmHeaderPtr->CfgRegionOffset);
> -  CopyMem (FspmUpdDataPtr, SourceData,
> (UINTN)FspmHeaderPtr->CfgRegionSize);
> +  if (PcdGet32 (PcdFspmUpdDataAddress) == 0 &&
> (FspmHeaderPtr->CfgRegionSize != 0) && (FspmHeaderPtr->CfgRegionOffset !=
> 0)) {
> +    //
> +    // Copy default FSP-M UPD data from Flash
> +    //
> +    FspmUpdDataPtr = (FSPM_UPD_COMMON *)AllocateZeroPool
> ((UINTN)FspmHeaderPtr->CfgRegionSize);
> +    ASSERT (FspmUpdDataPtr != NULL);
> +    SourceData = (UINTN *)((UINTN)FspmHeaderPtr->ImageBase +
> (UINTN)FspmHeaderPtr->CfgRegionOffset);
> +    CopyMem (FspmUpdDataPtr, SourceData,
> (UINTN)FspmHeaderPtr->CfgRegionSize);
> +  } else {
> +    //
> +    // External UPD is ready, get the buffer from PCD pointer.
> +    //
> +    FspmUpdDataPtr = (FSPM_UPD_COMMON *)PcdGet32
> (PcdFspmUpdDataAddress);
> +    ASSERT (FspmUpdDataPtr != NULL);
> +  }
> 
>    DEBUG ((DEBUG_INFO, "UpdateFspmUpdData enter\n"));
>    UpdateFspmUpdData ((VOID *)FspmUpdDataPtr);
> diff --git a/IntelFsp2WrapperPkg/FspmWrapperPeim/FspmWrapperPeim.inf
> b/IntelFsp2WrapperPkg/FspmWrapperPeim/FspmWrapperPeim.inf
> index 2b3d240d08..542356b582 100644
> --- a/IntelFsp2WrapperPkg/FspmWrapperPeim/FspmWrapperPeim.inf
> +++ b/IntelFsp2WrapperPkg/FspmWrapperPeim/FspmWrapperPeim.inf
> @@ -59,7 +59,8 @@
>    IntelFsp2WrapperPkg/IntelFsp2WrapperPkg.dec
> 
>  [Pcd]
> -  gIntelFsp2WrapperTokenSpaceGuid.PcdFspmBaseAddress  ## CONSUMES
> +  gIntelFsp2WrapperTokenSpaceGuid.PcdFspmBaseAddress     ##
> CONSUMES
> +  gIntelFsp2WrapperTokenSpaceGuid.PcdFspmUpdDataAddress  ##
> CONSUMES
> 
>  [Sources]
>    FspmWrapperPeim.c
> diff --git a/IntelFsp2WrapperPkg/FspsWrapperPeim/FspsWrapperPeim.c
> b/IntelFsp2WrapperPkg/FspsWrapperPeim/FspsWrapperPeim.c
> index ddc19c7e8f..70dac7a414 100644
> --- a/IntelFsp2WrapperPkg/FspsWrapperPeim/FspsWrapperPeim.c
> +++ b/IntelFsp2WrapperPkg/FspsWrapperPeim/FspsWrapperPeim.c
> @@ -3,7 +3,7 @@
>    register TemporaryRamDonePpi to call TempRamExit API, and register
> MemoryDiscoveredPpi
>    notify to call FspSiliconInit API.
> 
> -  Copyright (c) 2014 - 2016, Intel Corporation. All rights reserved.<BR>
> +  Copyright (c) 2014 - 2017, Intel Corporation. All rights reserved.<BR>
>    This program and the accompanying materials
>    are licensed and made available under the terms and conditions of the BSD
> License
>    which accompanies this distribution.  The full text of the license may be
> found at
> @@ -44,14 +44,14 @@ extern EFI_PEI_NOTIFY_DESCRIPTOR
> mS3EndOfPeiNotifyDesc;
>  extern EFI_GUID                  gFspHobGuid;
> 
>  /**
> -This function handles S3 resume task at the end of PEI
> +  This function handles S3 resume task at the end of PEI
> 
> -@param[in] PeiServices    Pointer to PEI Services Table.
> -@param[in] NotifyDesc     Pointer to the descriptor for the Notification event
> that
> -caused this function to execute.
> -@param[in] Ppi            Pointer to the PPI data associated with this
> function.
> +  @param[in] PeiServices    Pointer to PEI Services Table.
> +  @param[in] NotifyDesc     Pointer to the descriptor for the Notification
> event that
> +                            caused this function to execute.
> +  @param[in] Ppi            Pointer to the PPI data associated with this
> function.
> 
> -@retval EFI_STATUS        Always return EFI_SUCCESS
> +  @retval EFI_STATUS        Always return EFI_SUCCESS
>  **/
>  EFI_STATUS
>  EFIAPI
> @@ -68,14 +68,14 @@ EFI_PEI_NOTIFY_DESCRIPTOR mS3EndOfPeiNotifyDesc
> = {
>  };
> 
>  /**
> -This function handles S3 resume task at the end of PEI
> +  This function handles S3 resume task at the end of PEI
> 
> -@param[in] PeiServices    Pointer to PEI Services Table.
> -@param[in] NotifyDesc     Pointer to the descriptor for the Notification event
> that
> -caused this function to execute.
> -@param[in] Ppi            Pointer to the PPI data associated with this
> function.
> +  @param[in] PeiServices    Pointer to PEI Services Table.
> +  @param[in] NotifyDesc     Pointer to the descriptor for the Notification
> event that
> +                            caused this function to execute.
> +  @param[in] Ppi            Pointer to the PPI data associated with this
> function.
> 
> -@retval EFI_STATUS        Always return EFI_SUCCESS
> +  @retval EFI_STATUS        Always return EFI_SUCCESS
>  **/
>  EFI_STATUS
>  EFIAPI
> @@ -130,13 +130,13 @@ S3EndOfPeiNotify(
>  }
> 
>  /**
> -Return Hob list produced by FSP.
> +  Return Hob list produced by FSP.
> 
> -@param[in]  PeiServices  The pointer to the PEI Services Table.
> -@param[in]  This         The pointer to this instance of this PPI.
> -@param[out] FspHobList   The pointer to Hob list produced by FSP.
> +  @param[in]  PeiServices  The pointer to the PEI Services Table.
> +  @param[in]  This         The pointer to this instance of this PPI.
> +  @param[out] FspHobList   The pointer to Hob list produced by FSP.
> 
> -@return EFI_SUCCESS FReturn Hob list produced by FSP successfully.
> +  @return EFI_SUCCESS FReturn Hob list produced by FSP successfully.
>  **/
>  EFI_STATUS
>  EFIAPI
> @@ -157,13 +157,13 @@ EFI_PEI_PPI_DESCRIPTOR
> mPeiFspSiliconInitDonePpi = {
>  };
> 
>  /**
> -Return Hob list produced by FSP.
> +  Return Hob list produced by FSP.
> 
> -@param[in]  PeiServices  The pointer to the PEI Services Table.
> -@param[in]  This         The pointer to this instance of this PPI.
> -@param[out] FspHobList   The pointer to Hob list produced by FSP.
> +  @param[in]  PeiServices  The pointer to the PEI Services Table.
> +  @param[in]  This         The pointer to this instance of this PPI.
> +  @param[out] FspHobList   The pointer to Hob list produced by FSP.
> 
> -@return EFI_SUCCESS FReturn Hob list produced by FSP successfully.
> +  @return EFI_SUCCESS FReturn Hob list produced by FSP successfully.
>  **/
>  EFI_STATUS
>  EFIAPI
> @@ -209,14 +209,14 @@ EFI_PEI_NOTIFY_DESCRIPTOR
> mPeiMemoryDiscoveredNotifyDesc = {
>  };
> 
>  /**
> -This function is called after PEI core discover memory and finish migration.
> +  This function is called after PEI core discover memory and finish migration.
> 
> -@param[in] PeiServices    Pointer to PEI Services Table.
> -@param[in] NotifyDesc     Pointer to the descriptor for the Notification event
> that
> -caused this function to execute.
> -@param[in] Ppi            Pointer to the PPI data associated with this
> function.
> +  @param[in] PeiServices    Pointer to PEI Services Table.
> +  @param[in] NotifyDesc     Pointer to the descriptor for the Notification
> event that
> +                            caused this function to execute.
> +  @param[in] Ppi            Pointer to the PPI data associated with this
> function.
> 
> -@retval EFI_STATUS        Always return EFI_SUCCESS
> +  @retval EFI_STATUS        Always return EFI_SUCCESS
>  **/
>  EFI_STATUS
>  EFIAPI
> @@ -234,22 +234,27 @@ PeiMemoryDiscoveredNotify (
>    FSPS_UPD_COMMON           *FspsUpdDataPtr;
>    UINTN                     *SourceData;
> 
> -
>    DEBUG ((DEBUG_INFO, "PeiMemoryDiscoveredNotify enter\n"));
> -
> -  //
> -  // Copy default FSP-S UPD data from Flash
> -  //
> +  FspsUpdDataPtr = NULL;
> +
>    FspsHeaderPtr = (FSP_INFO_HEADER *)FspFindFspHeader (PcdGet32
> (PcdFspsBaseAddress));
>    DEBUG ((DEBUG_INFO, "FspsHeaderPtr - 0x%x\n", FspsHeaderPtr));
>    if (FspsHeaderPtr == NULL) {
>      return EFI_DEVICE_ERROR;
>    }
> 
> -  FspsUpdDataPtr = (FSPS_UPD_COMMON *)AllocateZeroPool
> ((UINTN)FspsHeaderPtr->CfgRegionSize);
> -  ASSERT (FspsUpdDataPtr != NULL);
> -  SourceData = (UINTN *)((UINTN)FspsHeaderPtr->ImageBase +
> (UINTN)FspsHeaderPtr->CfgRegionOffset);
> -  CopyMem (FspsUpdDataPtr, SourceData,
> (UINTN)FspsHeaderPtr->CfgRegionSize);
> +  if (PcdGet32 (PcdFspsUpdDataAddress) == 0 &&
> (FspsHeaderPtr->CfgRegionSize != 0) && (FspsHeaderPtr->CfgRegionOffset != 0))
> {
> +    //
> +    // Copy default FSP-S UPD data from Flash
> +    //
> +    FspsUpdDataPtr = (FSPS_UPD_COMMON *)AllocateZeroPool
> ((UINTN)FspsHeaderPtr->CfgRegionSize);
> +    ASSERT (FspsUpdDataPtr != NULL);
> +    SourceData = (UINTN *)((UINTN)FspsHeaderPtr->ImageBase +
> (UINTN)FspsHeaderPtr->CfgRegionOffset);
> +    CopyMem (FspsUpdDataPtr, SourceData,
> (UINTN)FspsHeaderPtr->CfgRegionSize);
> +  } else {
> +    FspsUpdDataPtr = (FSPS_UPD_COMMON *)PcdGet32
> (PcdFspsUpdDataAddress);
> +    ASSERT (FspsUpdDataPtr != NULL);
> +  }
> 
>    UpdateFspsUpdData ((VOID *)FspsUpdDataPtr);
> 
> @@ -314,7 +319,7 @@ FspsWrapperInit (
>    //
>    Status = PeiServicesNotifyPpi (&mPeiMemoryDiscoveredNotifyDesc);
>    ASSERT_EFI_ERROR (Status);
> -
> +
>    //
>    // Register EndOfPei Notify for S3 to run FSP NotifyPhase
>    //
> @@ -342,7 +347,6 @@ FspsWrapperPeimEntryPoint (
>    IN CONST EFI_PEI_SERVICES     **PeiServices
>    )
>  {
> -
>    DEBUG ((DEBUG_INFO, "FspsWrapperPeimEntryPoint\n"));
> 
>    FspsWrapperInit ();
> diff --git a/IntelFsp2WrapperPkg/FspsWrapperPeim/FspsWrapperPeim.inf
> b/IntelFsp2WrapperPkg/FspsWrapperPeim/FspsWrapperPeim.inf
> index c858e7097d..cd87a99c40 100644
> --- a/IntelFsp2WrapperPkg/FspsWrapperPeim/FspsWrapperPeim.inf
> +++ b/IntelFsp2WrapperPkg/FspsWrapperPeim/FspsWrapperPeim.inf
> @@ -66,7 +66,8 @@
>    gEfiPeiMemoryDiscoveredPpiGuid        ## NOTIFY
> 
>  [Pcd]
> -  gIntelFsp2WrapperTokenSpaceGuid.PcdFspsBaseAddress  ## CONSUMES
> +  gIntelFsp2WrapperTokenSpaceGuid.PcdFspsBaseAddress     ##
> CONSUMES
> +  gIntelFsp2WrapperTokenSpaceGuid.PcdFspsUpdDataAddress  ##
> CONSUMES
> 
>  [Guids]
>    gFspHobGuid                           ## CONSUMES ## HOB
> diff --git a/IntelFsp2WrapperPkg/IntelFsp2WrapperPkg.dec
> b/IntelFsp2WrapperPkg/IntelFsp2WrapperPkg.dec
> index c0881852c5..7634619f80 100644
> --- a/IntelFsp2WrapperPkg/IntelFsp2WrapperPkg.dec
> +++ b/IntelFsp2WrapperPkg/IntelFsp2WrapperPkg.dec
> @@ -1,7 +1,7 @@
>  ## @file
>  # Provides drivers and definitions to support fsp in EDKII bios.
>  #
> -# Copyright (c) 2014 - 2016, Intel Corporation. All rights reserved.<BR>
> +# Copyright (c) 2014 - 2017, Intel Corporation. All rights reserved.<BR>
>  # This program and the accompanying materials are licensed and made
> available under
>  # the terms and conditions of the BSD License that accompanies this
> distribution.
>  # The full text of the license may be found at
> @@ -95,4 +95,13 @@
> 
>  [PcdsFixedAtBuild, PcdsPatchableInModule,PcdsDynamic,PcdsDynamicEx]
> 
> gIntelFsp2WrapperTokenSpaceGuid.PcdFspsBaseAddress|0x00000000|UINT32|
> 0x00001001
> -
> \ No newline at end of file
> +  #
> +  # To provide flexibility for platform to pre-allocate FSP UPD buffer
> +  #
> +  # The PCDs define the pre-allocated FSPM and FSPS UPD Data Buffer
> Address.
> +  # 0x00000000 - Platform will not pre-allocate UPD buffer before
> FspWrapper module
> +  # non-zero   - Platform will pre-allocate UPD buffer and patch this value to
> +  #              buffer address before FspWrapper module executing.
> +  #
> +
> gIntelFsp2WrapperTokenSpaceGuid.PcdFspmUpdDataAddress|0x00000000|UI
> NT32|0x50000000
> +
> gIntelFsp2WrapperTokenSpaceGuid.PcdFspsUpdDataAddress|0x00000000|UIN
> T32|0x50000001
> \ No newline at end of file
> --
> 2.13.3.windows.1
> 
> _______________________________________________
> edk2-devel mailing list
> edk2-devel@lists.01.org
> https://lists.01.org/mailman/listinfo/edk2-devel
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