ArmPlatformPkg/Library/ArmPlatformLibNull/ArmPlatformLibNull.c

   1 /** @file
   2 *
   3 *  Copyright (c) 2011, ARM Limited. All rights reserved.
   4 *
   5 *  This program and the accompanying materials
   6 *  are licensed and made available under the terms and conditions of the BSD License
   7 *  which accompanies this distribution.  The full text of the license may be found at
   8 *  http://opensource.org/licenses/bsd-license.php
   9 *
  10 *  THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
  11 *  WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
  12 *
  13 **/
  14
  15 #include <Library/ArmLib.h>
  16 #include <Library/ArmPlatformLib.h>
  17
  18 #include <Ppi/ArmMpCoreInfo.h>
  19
  20
  21 ARM_CORE_INFO mArmPlatformNullMpCoreInfoTable[] = {
  22   {
  23     // Cluster 0, Core 0
  24     0x0, 0x0,
  25
  26     // MP Core MailBox Set/Get/Clear Addresses and Clear Value
  27     (EFI_PHYSICAL_ADDRESS)0,
  28     (EFI_PHYSICAL_ADDRESS)0,
  29     (EFI_PHYSICAL_ADDRESS)0,
  30     (UINT64)0xFFFFFFFF
  31   },
  32   {
  33     // Cluster 0, Core 1
  34     0x0, 0x1,
  35
  36     // MP Core MailBox Set/Get/Clear Addresses and Clear Value
  37     (EFI_PHYSICAL_ADDRESS)0,
  38     (EFI_PHYSICAL_ADDRESS)0,
  39     (EFI_PHYSICAL_ADDRESS)0,
  40     (UINT64)0xFFFFFFFF
  41   },
  42   {
  43     // Cluster 0, Core 2
  44     0x0, 0x2,
  45
  46     // MP Core MailBox Set/Get/Clear Addresses and Clear Value
  47     (EFI_PHYSICAL_ADDRESS)0,
  48     (EFI_PHYSICAL_ADDRESS)0,
  49     (EFI_PHYSICAL_ADDRESS)0,
  50     (UINT64)0xFFFFFFFF
  51   },
  52   {
  53     // Cluster 0, Core 3
  54     0x0, 0x3,
  55
  56     // MP Core MailBox Set/Get/Clear Addresses and Clear Value
  57     (EFI_PHYSICAL_ADDRESS)0,
  58     (EFI_PHYSICAL_ADDRESS)0,
  59     (EFI_PHYSICAL_ADDRESS)0,
  60     (UINT64)0xFFFFFFFF
  61   }
  62 };
  63
  64 // This function should be better located into TimerLib implementation
  65 RETURN_STATUS
  66 EFIAPI
  67 TimerConstructor (
  68   VOID
  69   )
  70 {
  71   return EFI_SUCCESS;
  72 }
  73
  74 /**
  75   Return the current Boot Mode
  76
  77   This function returns the boot reason on the platform
  78
  79 **/
  80 EFI_BOOT_MODE
  81 ArmPlatformGetBootMode (
  82   VOID
  83   )
  84 {
  85   return BOOT_WITH_FULL_CONFIGURATION;
  86 }
  87
  88 /**
  89   Initialize controllers that must setup in the normal world
  90
  91   This function is called by the ArmPlatformPkg/PrePi or ArmPlatformPkg/PlatformPei
  92   in the PEI phase.
  93
  94 **/
  95 VOID
  96 ArmPlatformNormalInitialize (
  97   VOID
  98   )
  99 {
 100   //TODO: Implement me
 101 }
 102
 103 /**
 104   Initialize the system (or sometimes called permanent) memory
 105
 106   This memory is generally represented by the DRAM.
 107
 108 **/
 109 VOID
 110 ArmPlatformInitializeSystemMemory (
 111   VOID
 112   )
 113 {
 114   //TODO: Implement me
 115 }
 116
 117 EFI_STATUS
 118 PrePeiCoreGetMpCoreInfo (
 119   OUT UINTN                   *CoreCount,
 120   OUT ARM_CORE_INFO           **ArmCoreTable
 121   )
 122 {
 123   if (ArmIsMpCore()) {
 124     *CoreCount    = sizeof(mArmPlatformNullMpCoreInfoTable) / sizeof(ARM_CORE_INFO);
 125     *ArmCoreTable = mArmPlatformNullMpCoreInfoTable;
 126     return EFI_SUCCESS;
 127   } else {
 128     return EFI_UNSUPPORTED;
 129   }
 130 }
 131
 132 // Needs to be declared in the file. Otherwise gArmMpCoreInfoPpiGuid is undefined in the contect of PrePeiCore
 133 EFI_GUID mArmMpCoreInfoPpiGuid = ARM_MP_CORE_INFO_PPI_GUID;
 134 ARM_MP_CORE_INFO_PPI mMpCoreInfoPpi = { PrePeiCoreGetMpCoreInfo };
 135
 136 EFI_PEI_PPI_DESCRIPTOR      gPlatformPpiTable[] = {
 137   {
 138     EFI_PEI_PPI_DESCRIPTOR_PPI,
 139     &mArmMpCoreInfoPpiGuid,
 140     &mMpCoreInfoPpi
 141   }
 142 };
 143
 144 VOID
 145 ArmPlatformGetPlatformPpiList (
 146   OUT UINTN                   *PpiListSize,
 147   OUT EFI_PEI_PPI_DESCRIPTOR  **PpiList
 148   )
 149 {
 150   if (ArmIsMpCore()) {
 151     *PpiListSize = sizeof(gPlatformPpiTable);
 152     *PpiList = gPlatformPpiTable;
 153   } else {
 154     *PpiListSize = 0;
 155     *PpiList = NULL;
 156   }
 157 }
 158