Port DB820c target to 950XL.

FvWrapper.ld

@@ -0,0 +1,10 @@
+ENTRY(_start);
+
+SECTIONS
+{
+    _start = 0x00200000;
+    . = 0x00200000;
+    .data : {
+        *(.data)
+    }
+}

Library/MemoryInitPeiLib/MemoryInitPeiLib.c

@@ -0,0 +1,154 @@
+/** @file
+*
+*  Copyright (c) 2011-2015, ARM Limited. All rights reserved.
+*
+*  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
+*  http://opensource.org/licenses/bsd-license.php
+*
+*  THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
+*  WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
+*
+**/
+
+#include <PiPei.h>
+
+#include <Library/ArmMmuLib.h>
+#include <Library/ArmPlatformLib.h>
+#include <Library/DebugLib.h>
+#include <Library/HobLib.h>
+#include <Library/MemoryAllocationLib.h>
+#include <Library/PcdLib.h>
+
+extern UINT64 mSystemMemoryEnd;
+
+VOID
+BuildMemoryTypeInformationHob (
+  VOID
+  );
+
+STATIC
+VOID
+InitMmu (
+  IN ARM_MEMORY_REGION_DESCRIPTOR  *MemoryTable
+  )
+{
+
+  VOID                          *TranslationTableBase;
+  UINTN                         TranslationTableSize;
+  RETURN_STATUS                 Status;
+
+  //Note: Because we called PeiServicesInstallPeiMemory() before to call InitMmu() the MMU Page Table resides in
+  //      DRAM (even at the top of DRAM as it is the first permanent memory allocation)
+  Status = ArmConfigureMmu (MemoryTable, &TranslationTableBase, &TranslationTableSize);
+  if (EFI_ERROR (Status)) {
+    DEBUG ((EFI_D_ERROR, "Error: Failed to enable MMU\n"));
+  }
+}
+
+STATIC
+VOID
+AddAndReserved(ARM_MEMORY_REGION_DESCRIPTOR *Desc)
+{
+  BuildResourceDescriptorHob (
+                              EFI_RESOURCE_SYSTEM_MEMORY,
+                              EFI_RESOURCE_ATTRIBUTE_PRESENT |
+                              EFI_RESOURCE_ATTRIBUTE_INITIALIZED |
+                              EFI_RESOURCE_ATTRIBUTE_WRITE_COMBINEABLE |
+                              EFI_RESOURCE_ATTRIBUTE_WRITE_THROUGH_CACHEABLE |
+                              EFI_RESOURCE_ATTRIBUTE_WRITE_BACK_CACHEABLE |
+                              EFI_RESOURCE_ATTRIBUTE_TESTED,
+                              Desc->PhysicalBase,
+                              Desc->Length
+                              );
+
+  BuildMemoryAllocationHob (
+                            Desc->PhysicalBase,
+                            Desc->Length,
+                            EfiReservedMemoryType
+                            );
+}
+
+STATIC
+VOID
+AddAndMmio(ARM_MEMORY_REGION_DESCRIPTOR *Desc)
+{
+  BuildResourceDescriptorHob (
+                              EFI_RESOURCE_SYSTEM_MEMORY,
+                              (EFI_RESOURCE_ATTRIBUTE_PRESENT    |
+                               EFI_RESOURCE_ATTRIBUTE_INITIALIZED |
+                               EFI_RESOURCE_ATTRIBUTE_UNCACHEABLE |
+                               EFI_RESOURCE_ATTRIBUTE_TESTED),
+                              Desc->PhysicalBase,
+                              Desc->Length
+                              );
+
+  BuildMemoryAllocationHob (
+                            Desc->PhysicalBase,
+                            Desc->Length,
+                            EfiMemoryMappedIO
+                            );
+}
+
+/*++
+
+Routine Description:
+
+
+
+Arguments:
+
+  FileHandle  - Handle of the file being invoked.
+  PeiServices - Describes the list of possible PEI Services.
+
+Returns:
+
+  Status -  EFI_SUCCESS if the boot mode could be set
+
+--*/
+EFI_STATUS
+EFIAPI
+MemoryPeim (
+  IN EFI_PHYSICAL_ADDRESS               UefiMemoryBase,
+  IN UINT64                             UefiMemorySize
+  )
+{
+  ARM_MEMORY_REGION_DESCRIPTOR *MemoryTable;
+
+  // Get Virtual Memory Map from the Platform Library
+  ArmPlatformGetVirtualMemoryMap (&MemoryTable);
+
+  // Ensure PcdSystemMemorySize has been set
+  ASSERT (PcdGet64 (PcdSystemMemorySize) != 0);
+
+  // Reserved FD + Trusted Firmware region
+  AddAndReserved(&MemoryTable[0]);
+  AddAndReserved(&MemoryTable[1]);
+
+  // Usable memory.
+  BuildResourceDescriptorHob (
+                              EFI_RESOURCE_SYSTEM_MEMORY,
+                              EFI_RESOURCE_ATTRIBUTE_PRESENT |
+                              EFI_RESOURCE_ATTRIBUTE_INITIALIZED |
+                              EFI_RESOURCE_ATTRIBUTE_WRITE_COMBINEABLE |
+                              EFI_RESOURCE_ATTRIBUTE_WRITE_THROUGH_CACHEABLE |
+                              EFI_RESOURCE_ATTRIBUTE_WRITE_BACK_CACHEABLE |
+                              EFI_RESOURCE_ATTRIBUTE_TESTED,
+                              MemoryTable[2].PhysicalBase,
+                              MemoryTable[2].Length
+                              );
+
+  AddAndReserved(&MemoryTable[3]);
+  AddAndMmio(&MemoryTable[4]);
+
+  // Build Memory Allocation Hob
+  InitMmu (MemoryTable);
+
+  if (FeaturePcdGet (PcdPrePiProduceMemoryTypeInformationHob)) {
+    // Optional feature that helps prevent EFI memory map fragmentation.
+    BuildMemoryTypeInformationHob ();
+  }
+
+  return EFI_SUCCESS;
+}

Library/MemoryInitPeiLib/PeiMemoryAllocationLib.inf

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+#/** @file
+#
+#  Copyright (c) 2011-2014, ARM Ltd. All rights reserved.<BR>
+#  Copyright (c) 2016, Linaro, Ltd. 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
+#  http://opensource.org/licenses/bsd-license.php
+#
+#  THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
+#  WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
+#
+#**/
+
+[Defines]
+  INF_VERSION                    = 0x00010005
+  BASE_NAME                      = MemoryInitPeiLib
+  FILE_GUID                      = 4bbc9c10-a100-43fb-8311-332ba497d1b4
+  MODULE_TYPE                    = BASE
+  VERSION_STRING                 = 1.0
+  LIBRARY_CLASS                  = MemoryInitPeiLib|SEC PEIM
+
+[Sources]
+  MemoryInitPeiLib.c
+
+[Packages]
+  MdePkg/MdePkg.dec
+  MdeModulePkg/MdeModulePkg.dec
+  EmbeddedPkg/EmbeddedPkg.dec
+  ArmPkg/ArmPkg.dec
+  ArmPlatformPkg/ArmPlatformPkg.dec
+
+[LibraryClasses]
+  DebugLib
+  HobLib
+  ArmMmuLib
+  ArmPlatformLib
+
+[Guids]
+  gEfiMemoryTypeInformationGuid
+
+[FeaturePcd]
+  gEmbeddedTokenSpaceGuid.PcdPrePiProduceMemoryTypeInformationHob
+
+[FixedPcd]
+  gArmTokenSpaceGuid.PcdSystemMemoryBase
+  gArmTokenSpaceGuid.PcdSystemMemorySize
+
+[Depex]
+  TRUE