Add ArmPlatformPkg from ARM Ltd. patch.

[mirror_edk2.git] / ArmPlatformPkg / MemoryInitPei / MemoryInit.c

/** @file\r
*\r
*  Copyright (c) 2011, ARM Limited. All rights reserved.\r
*  \r
*  This program and the accompanying materials                          \r
*  are licensed and made available under the terms and conditions of the BSD License         \r
*  which accompanies this distribution.  The full text of the license may be found at        \r
*  http://opensource.org/licenses/bsd-license.php                                            \r
*\r
*  THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,                     \r
*  WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.             \r
*\r
**/\r
\r
//\r
// The package level header files this module uses\r
//\r
#include <PiPei.h>\r
//\r
// The protocols, PPI and GUID defintions for this module\r
//\r
#include <Ppi/MasterBootMode.h>\r
#include <Ppi/BootInRecoveryMode.h>\r
#include <Guid/MemoryTypeInformation.h>\r
//\r
// The Library classes this module consumes\r
//\r
#include <Library/DebugLib.h>\r
#include <Library/PeimEntryPoint.h>\r
#include <Library/PcdLib.h>\r
#include <Library/HobLib.h>\r
#include <Library/PeiServicesLib.h>\r
#include <Library/ArmLib.h>\r
#include <Library/IoLib.h>\r
#include <Library/ArmPlatformLib.h>\r
\r
//\r
// Module globals\r
//\r
\r
VOID\r
InitMmu (\r
  VOID\r
  )\r
{\r
    ARM_MEMORY_REGION_DESCRIPTOR  *MemoryTable;\r
    VOID                          *TranslationTableBase;\r
    UINTN                         TranslationTableSize;\r
\r
    // Get Virtual Memory Map from the Platform Library\r
    ArmPlatformGetVirtualMemoryMap(&MemoryTable);\r
\r
    //Note: Because we called PeiServicesInstallPeiMemory() before to call InitMmu() the MMU Page Table resides in\r
    //      DRAM (even at the top of DRAM as it is the first permanent memory allocation)\r
    ArmConfigureMmu (MemoryTable, &TranslationTableBase, &TranslationTableSize);\r
}\r
\r
// May want to put this into a library so you only need the PCD setings if you are using the feature?\r
VOID\r
BuildMemoryTypeInformationHob (\r
  VOID\r
  )\r
{\r
  EFI_MEMORY_TYPE_INFORMATION   Info[10];\r
\r
  Info[0].Type          = EfiACPIReclaimMemory;\r
  Info[0].NumberOfPages = PcdGet32 (PcdMemoryTypeEfiACPIReclaimMemory);\r
  Info[1].Type          = EfiACPIMemoryNVS;\r
  Info[1].NumberOfPages = PcdGet32 (PcdMemoryTypeEfiACPIMemoryNVS);\r
  Info[2].Type          = EfiReservedMemoryType;\r
  Info[2].NumberOfPages = PcdGet32 (PcdMemoryTypeEfiReservedMemoryType);\r
  Info[3].Type          = EfiRuntimeServicesData;\r
  Info[3].NumberOfPages = PcdGet32 (PcdMemoryTypeEfiRuntimeServicesData);\r
  Info[4].Type          = EfiRuntimeServicesCode;\r
  Info[4].NumberOfPages = PcdGet32 (PcdMemoryTypeEfiRuntimeServicesCode);\r
  Info[5].Type          = EfiBootServicesCode;\r
  Info[5].NumberOfPages = PcdGet32 (PcdMemoryTypeEfiBootServicesCode);\r
  Info[6].Type          = EfiBootServicesData;\r
  Info[6].NumberOfPages = PcdGet32 (PcdMemoryTypeEfiBootServicesData);\r
  Info[7].Type          = EfiLoaderCode;\r
  Info[7].NumberOfPages = PcdGet32 (PcdMemoryTypeEfiLoaderCode);\r
  Info[8].Type          = EfiLoaderData;\r
  Info[8].NumberOfPages = PcdGet32 (PcdMemoryTypeEfiLoaderData);\r
  \r
  // Terminator for the list\r
  Info[9].Type          = EfiMaxMemoryType;\r
  Info[9].NumberOfPages = 0;\r
\r
\r
  BuildGuidDataHob (&gEfiMemoryTypeInformationGuid, &Info, sizeof (Info));\r
}\r
\r
EFI_STATUS\r
EFIAPI\r
InitializeMemory (\r
  IN       EFI_PEI_FILE_HANDLE  FileHandle,\r
  IN CONST EFI_PEI_SERVICES     **PeiServices\r
  )\r
/*++\r
\r
Routine Description:\r
\r
  \r
\r
Arguments:\r
\r
  FileHandle  - Handle of the file being invoked.\r
  PeiServices - Describes the list of possible PEI Services.\r
    \r
Returns:\r
\r
  Status -  EFI_SUCCESS if the boot mode could be set\r
\r
--*/\r
{\r
  EFI_STATUS                    Status;\r
  ARM_SYSTEM_MEMORY_REGION_DESCRIPTOR* EfiMemoryMap;\r
  UINTN                         PeiMemoryBase;\r
  UINTN                         PeiMemorySize;\r
  UINTN                         Index;\r
\r
  DEBUG ((EFI_D_ERROR, "Memory Init PEIM Loaded\n"));\r
\r
  // If it is not a standalone version, then we need to initialize the System Memory\r
  // In case of a standalone version, the DRAM is already initialized\r
  if (FeaturePcdGet(PcdStandalone)) {\r
    // Initialize the System Memory controller (DRAM)\r
    ArmPlatformInitializeSystemMemory();\r
  }\r
\r
  // Install the Memory to PEI\r
  ArmPlatformGetPeiMemory (&PeiMemoryBase,&PeiMemorySize);\r
  Status = PeiServicesInstallPeiMemory (PeiMemoryBase,PeiMemorySize);\r
  ASSERT_EFI_ERROR (Status);\r
\r
  //\r
  // Now, the permanent memory has been installed, we can call AllocatePages()\r
  //\r
\r
  ArmPlatformGetEfiMemoryMap (&EfiMemoryMap);\r
\r
  // Install the EFI Memory Map\r
  for (Index = 0; EfiMemoryMap[Index].ResourceAttribute != 0; Index++) {\r
    BuildResourceDescriptorHob (\r
        EFI_RESOURCE_SYSTEM_MEMORY,\r
        EfiMemoryMap[Index].ResourceAttribute,\r
        EfiMemoryMap[Index].PhysicalStart,\r
        EfiMemoryMap[Index].NumberOfBytes\r
    );\r
  }\r
\r
  // Build Memory Allocation Hob\r
  InitMmu ();\r
\r
  if (FeaturePcdGet (PcdPrePiProduceMemoryTypeInformationHob)) {\r
    // Optional feature that helps prevent EFI memory map fragmentation. \r
    BuildMemoryTypeInformationHob ();\r
  }\r
\r
  return Status;\r
}\r