Fix bug that Duet BDS fail to get PciExpressAddress from guid hob.

git-svn-id: https://edk2.svn.sourceforge.net/svnroot/edk2/trunk/edk2@7155 6f19259b-4bc3-4df7-8a09-765794883524

1 files changed, 13 insertions, 16 deletions

diff --git a/DuetPkg/Library/DuetBdsLib/BdsPlatform.c b/DuetPkg/Library/DuetBdsLib/BdsPlatform.c
index 5dfa016..f3fc396 100644
--- a/DuetPkg/Library/DuetBdsLib/BdsPlatform.c
+++ b/DuetPkg/Library/DuetBdsLib/BdsPlatform.c
@@ -422,23 +422,16 @@ Returns:
   UINT32                                   Number;

   EFI_PEI_HOB_POINTERS                     GuidHob;

 

-  BufferSize = 0;

-  //

-  // Get Hob List from configuration table

-  //

-  GuidHob.Raw = GetHobList ();

-

   //

   // Get PciExpressAddressInfo Hob

   //

-  GuidHob.Raw = GetNextGuidHob (&gEfiPciExpressBaseAddressGuid, GuidHob.Raw);

-  if (GuidHob.Raw == NULL) {

-    DEBUG ((EFI_D_ERROR, "Fail to get gEfiPciExpressBaseAddressGuid from GUID HOB\n"));

-    return 0;

-  }

-  PciExpressBaseAddressInfo = (EFI_PCI_EXPRESS_BASE_ADDRESS_INFORMATION *) GET_GUID_HOB_DATA (GuidHob.Guid);

-  if (PciExpressBaseAddressInfo == NULL) {

-    DEBUG ((EFI_D_ERROR, "Fail to get gEfiPciExpressBaseAddressGuid from GUID HOB\n"));

+  PciExpressBaseAddressInfo = NULL;

+  BufferSize                = 0;

+  GuidHob.Raw = GetFirstGuidHob (&gEfiPciExpressBaseAddressGuid);

+  if (GuidHob.Raw != NULL) {

+    PciExpressBaseAddressInfo = GET_GUID_HOB_DATA (GuidHob.Guid);

+    BufferSize                = GET_GUID_HOB_DATA_SIZE (GuidHob.Guid);

+  } else {

     return 0;

   }

 

@@ -456,7 +449,7 @@ Returns:
   //

   // Do not find the PciExpress Base Address in the Hob

   //

-  return 0;

+  return 0;  

 }

 

 VOID

@@ -469,7 +462,9 @@ PatchPciRootBridgeDevicePath (
   UINT64  PciExpressBase;

 

   PciExpressBase = GetPciExpressBaseAddressForRootBridge (HostBridgeNumber, RootBridgeNumber);

-

+  

+  DEBUG ((EFI_D_INFO, "Get PciExpress Address from Hob: 0x%X\n", PciExpressBase));

+  

   if (PciExpressBase != 0) {

     RootBridge->PciRootBridge.HID = EISA_PNP_ID(0x0A08);

   }

@@ -514,6 +509,8 @@ Returns:
                   &gPlatformRootBridges[0], 

                   &RootHandle

                   );

+  DEBUG ((EFI_D_INFO, "Pci Root bridge handle is 0x%X\n", RootHandle));

+  

   if (EFI_ERROR (Status)) {

     return Status;

   }