[PATCH v2] IntelFsp2WrapperPkg: Support FSP Dispatch mode

["Chasel, Chiu" <chasel.chiu@intel.com>]

REF: https://bugzilla.tianocore.org/show_bug.cgi?id=1300

Provides PCD selection for FSP Wrapper to support Dispatch
mode. Also PcdFspmBaseAddress should support Dynamic for
recovery scenario (multiple FSP-M binary in flash)

Test: Verified on internal platform and both API and
      DISPATCH modes booted successfully.

Cc: Jiewen Yao <Jiewen.yao@intel.com>
Cc: Desimone Nathaniel L <nathaniel.l.desimone@intel.com>
Contributed-under: TianoCore Contribution Agreement 1.1
Signed-off-by: Chasel Chiu <chasel.chiu@intel.com>
---
 IntelFsp2WrapperPkg/FspmWrapperPeim/FspmWrapperPeim.c   | 20 ++++++++++++++++----
 IntelFsp2WrapperPkg/FspsWrapperPeim/FspsWrapperPeim.c   | 14 ++++++++++++--
 IntelFsp2WrapperPkg/FspmWrapperPeim/FspmWrapperPeim.inf |  3 ++-
 IntelFsp2WrapperPkg/FspsWrapperPeim/FspsWrapperPeim.inf |  3 ++-
 IntelFsp2WrapperPkg/IntelFsp2WrapperPkg.dec             | 13 +++++++++++--
 5 files changed, 43 insertions(+), 10 deletions(-)

diff --git a/IntelFsp2WrapperPkg/FspmWrapperPeim/FspmWrapperPeim.c b/IntelFsp2WrapperPkg/FspmWrapperPeim/FspmWrapperPeim.c
index 7b7c5f5d86..fa0441ce6c 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 - 2017, Intel Corporation. All rights reserved.<BR>
+  Copyright (c) 2014 - 2018, 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
@@ -65,7 +65,7 @@ PeiFspMemoryInit (
   FspHobListPtr = NULL;
   FspmUpdDataPtr = NULL;
 
-  FspmHeaderPtr = (FSP_INFO_HEADER *)FspFindFspHeader (PcdGet32 (PcdFspmBaseAddress));
+  FspmHeaderPtr = (FSP_INFO_HEADER *) FspFindFspHeader (PcdGet32 (PcdFspmBaseAddress));
   DEBUG ((DEBUG_INFO, "FspmHeaderPtr - 0x%x\n", FspmHeaderPtr));
   if (FspmHeaderPtr == NULL) {
     return EFI_DEVICE_ERROR;
@@ -155,8 +155,20 @@ FspmWrapperInit (
 {
   EFI_STATUS           Status;
 
-  Status = PeiFspMemoryInit ();
-  ASSERT_EFI_ERROR (Status);
+  Status = EFI_SUCCESS;
+
+  if (FixedPcdGet8 (PcdFspModeSelection) == 1) {
+    Status = PeiFspMemoryInit ();
+    ASSERT_EFI_ERROR (Status);
+  } else {
+    PeiServicesInstallFvInfoPpi (
+      NULL,
+      (VOID *)(UINTN) PcdGet32 (PcdFspmBaseAddress),
+      (UINT32)((EFI_FIRMWARE_VOLUME_HEADER *) (UINTN) PcdGet32 (PcdFspmBaseAddress))->FvLength,
+      NULL,
+      NULL
+      );
+  }
 
   return Status;
 }
diff --git a/IntelFsp2WrapperPkg/FspsWrapperPeim/FspsWrapperPeim.c b/IntelFsp2WrapperPkg/FspsWrapperPeim/FspsWrapperPeim.c
index 70dac7a414..87dd61e5c5 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 - 2017, Intel Corporation. All rights reserved.<BR>
+  Copyright (c) 2014 - 2018, 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
@@ -349,7 +349,17 @@ FspsWrapperPeimEntryPoint (
 {
   DEBUG ((DEBUG_INFO, "FspsWrapperPeimEntryPoint\n"));
 
-  FspsWrapperInit ();
+  if (FixedPcdGet8 (PcdFspModeSelection) == 1) {
+    FspsWrapperInit ();
+  } else {
+    PeiServicesInstallFvInfoPpi (
+      NULL,
+      (VOID *)(UINTN) PcdGet32 (PcdFspsBaseAddress),
+      (UINT32)((EFI_FIRMWARE_VOLUME_HEADER *) (UINTN) PcdGet32 (PcdFspsBaseAddress))->FvLength,
+      NULL,
+      NULL
+      );
+  }
 
   return EFI_SUCCESS;
 }
diff --git a/IntelFsp2WrapperPkg/FspmWrapperPeim/FspmWrapperPeim.inf b/IntelFsp2WrapperPkg/FspmWrapperPeim/FspmWrapperPeim.inf
index 542356b582..b3776a80f3 100644
--- a/IntelFsp2WrapperPkg/FspmWrapperPeim/FspmWrapperPeim.inf
+++ b/IntelFsp2WrapperPkg/FspmWrapperPeim/FspmWrapperPeim.inf
@@ -6,7 +6,7 @@
 # register TemporaryRamDonePpi to call TempRamExit API, and register MemoryDiscoveredPpi
 # notify to call FspSiliconInit API.
 #
-#  Copyright (c) 2014 - 2017, Intel Corporation. All rights reserved.<BR>
+#  Copyright (c) 2014 - 2018, 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
@@ -61,6 +61,7 @@
 [Pcd]
   gIntelFsp2WrapperTokenSpaceGuid.PcdFspmBaseAddress     ## CONSUMES
   gIntelFsp2WrapperTokenSpaceGuid.PcdFspmUpdDataAddress  ## CONSUMES
+  gIntelFsp2WrapperTokenSpaceGuid.PcdFspModeSelection    ## CONSUMES
 
 [Sources]
   FspmWrapperPeim.c
diff --git a/IntelFsp2WrapperPkg/FspsWrapperPeim/FspsWrapperPeim.inf b/IntelFsp2WrapperPkg/FspsWrapperPeim/FspsWrapperPeim.inf
index cd87a99c40..910286982b 100644
--- a/IntelFsp2WrapperPkg/FspsWrapperPeim/FspsWrapperPeim.inf
+++ b/IntelFsp2WrapperPkg/FspsWrapperPeim/FspsWrapperPeim.inf
@@ -6,7 +6,7 @@
 # register TemporaryRamDonePpi to call TempRamExit API, and register MemoryDiscoveredPpi
 # notify to call FspSiliconInit API.
 #
-#  Copyright (c) 2014 - 2017, Intel Corporation. All rights reserved.<BR>
+#  Copyright (c) 2014 - 2018, 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
@@ -68,6 +68,7 @@
 [Pcd]
   gIntelFsp2WrapperTokenSpaceGuid.PcdFspsBaseAddress     ## CONSUMES
   gIntelFsp2WrapperTokenSpaceGuid.PcdFspsUpdDataAddress  ## CONSUMES
+  gIntelFsp2WrapperTokenSpaceGuid.PcdFspModeSelection    ## CONSUMES
 
 [Guids]
   gFspHobGuid                           ## CONSUMES ## HOB
diff --git a/IntelFsp2WrapperPkg/IntelFsp2WrapperPkg.dec b/IntelFsp2WrapperPkg/IntelFsp2WrapperPkg.dec
index 69df16452d..96f2858fb4 100644
--- a/IntelFsp2WrapperPkg/IntelFsp2WrapperPkg.dec
+++ b/IntelFsp2WrapperPkg/IntelFsp2WrapperPkg.dec
@@ -71,9 +71,8 @@
   ## Indicate the PEI memory size platform want to report
   gIntelFsp2WrapperTokenSpaceGuid.PcdPeiRecoveryMinMemSize|0x3000000|UINT32|0x40000005
 
-  ## This is the base address of FSP-T/M/S
+  ## This is the base address of FSP-T
   gIntelFsp2WrapperTokenSpaceGuid.PcdFsptBaseAddress|0x00000000|UINT32|0x00000300
-  gIntelFsp2WrapperTokenSpaceGuid.PcdFspmBaseAddress|0x00000000|UINT32|0x00000301
 
   ## This PCD indicates if FSP APIs are skipped from FSP wrapper.<BR><BR>
   #  If a bit is set, that means this FSP API is skipped.<BR>
@@ -93,7 +92,17 @@
   # @Prompt Skip FSP API from FSP wrapper.
   gIntelFsp2WrapperTokenSpaceGuid.PcdSkipFspApi|0x00000000|UINT32|0x40000009
 
+  ## This PCD decides how Wrapper code utilizes FSP
+  # 0: DISPATCH mode (FSP Wrapper will load PeiCore from FSP without calling FSP API)
+  # 1: API mode (FSP Wrapper will call FSP API)
+  #
+  gIntelFsp2WrapperTokenSpaceGuid.PcdFspModeSelection|0x00000001|UINT8|0x4000000A
+
 [PcdsFixedAtBuild, PcdsPatchableInModule,PcdsDynamic,PcdsDynamicEx]
+  #
+  ## These are the base address of FSP-M/S
+  #
+  gIntelFsp2WrapperTokenSpaceGuid.PcdFspmBaseAddress|0x00000000|UINT32|0x00001000
   gIntelFsp2WrapperTokenSpaceGuid.PcdFspsBaseAddress|0x00000000|UINT32|0x00001001
   #
   # To provide flexibility for platform to pre-allocate FSP UPD buffer
-- 
2.13.3.windows.1