ArmPlatformPkg/Library/ArmPlatformLibNull/ArmPlatformLibNull.c

   1 /** @file
   2
   3   Copyright (c) 2011-2012, ARM Limited. All rights reserved.
   4
   5   SPDX-License-Identifier: BSD-2-Clause-Patent
   6
   7 **/
   8
   9 #include <Library/ArmLib.h>
  10 #include <Library/ArmPlatformLib.h>
  11
  12 #include <Ppi/ArmMpCoreInfo.h>
  13
  14
  15 ARM_CORE_INFO mArmPlatformNullMpCoreInfoTable[] = {
  16   {
  17     // Cluster 0, Core 0
  18     0x0, 0x0,
  19
  20     // MP Core MailBox Set/Get/Clear Addresses and Clear Value
  21     (EFI_PHYSICAL_ADDRESS)0,
  22     (EFI_PHYSICAL_ADDRESS)0,
  23     (EFI_PHYSICAL_ADDRESS)0,
  24     (UINT64)0xFFFFFFFF
  25   },
  26   {
  27     // Cluster 0, Core 1
  28     0x0, 0x1,
  29
  30     // MP Core MailBox Set/Get/Clear Addresses and Clear Value
  31     (EFI_PHYSICAL_ADDRESS)0,
  32     (EFI_PHYSICAL_ADDRESS)0,
  33     (EFI_PHYSICAL_ADDRESS)0,
  34     (UINT64)0xFFFFFFFF
  35   },
  36   {
  37     // Cluster 0, Core 2
  38     0x0, 0x2,
  39
  40     // MP Core MailBox Set/Get/Clear Addresses and Clear Value
  41     (EFI_PHYSICAL_ADDRESS)0,
  42     (EFI_PHYSICAL_ADDRESS)0,
  43     (EFI_PHYSICAL_ADDRESS)0,
  44     (UINT64)0xFFFFFFFF
  45   },
  46   {
  47     // Cluster 0, Core 3
  48     0x0, 0x3,
  49
  50     // MP Core MailBox Set/Get/Clear Addresses and Clear Value
  51     (EFI_PHYSICAL_ADDRESS)0,
  52     (EFI_PHYSICAL_ADDRESS)0,
  53     (EFI_PHYSICAL_ADDRESS)0,
  54     (UINT64)0xFFFFFFFF
  55   }
  56 };
  57
  58 // This function should be better located into TimerLib implementation
  59 RETURN_STATUS
  60 EFIAPI
  61 TimerConstructor (
  62   VOID
  63   )
  64 {
  65   return EFI_SUCCESS;
  66 }
  67
  68 /**
  69   Return the current Boot Mode
  70
  71   This function returns the boot reason on the platform
  72
  73 **/
  74 EFI_BOOT_MODE
  75 ArmPlatformGetBootMode (
  76   VOID
  77   )
  78 {
  79   return BOOT_WITH_FULL_CONFIGURATION;
  80 }
  81
  82 /**
  83   Initialize controllers that must setup in the normal world
  84
  85   This function is called by the ArmPlatformPkg/PrePi or ArmPlatformPkg/PlatformPei
  86   in the PEI phase.
  87
  88 **/
  89 RETURN_STATUS
  90 ArmPlatformInitialize (
  91   IN  UINTN                     MpId
  92   )
  93 {
  94   if (!ArmPlatformIsPrimaryCore (MpId)) {
  95     return RETURN_SUCCESS;
  96   }
  97
  98   //TODO: Implement me
  99
 100   return RETURN_SUCCESS;
 101 }
 102
 103 EFI_STATUS
 104 PrePeiCoreGetMpCoreInfo (
 105   OUT UINTN                   *CoreCount,
 106   OUT ARM_CORE_INFO           **ArmCoreTable
 107   )
 108 {
 109   if (ArmIsMpCore()) {
 110     *CoreCount    = sizeof(mArmPlatformNullMpCoreInfoTable) / sizeof(ARM_CORE_INFO);
 111     *ArmCoreTable = mArmPlatformNullMpCoreInfoTable;
 112     return EFI_SUCCESS;
 113   } else {
 114     return EFI_UNSUPPORTED;
 115   }
 116 }
 117
 118 ARM_MP_CORE_INFO_PPI mMpCoreInfoPpi = { PrePeiCoreGetMpCoreInfo };
 119
 120 EFI_PEI_PPI_DESCRIPTOR      gPlatformPpiTable[] = {
 121   {
 122     EFI_PEI_PPI_DESCRIPTOR_PPI,
 123     &gArmMpCoreInfoPpiGuid,
 124     &mMpCoreInfoPpi
 125   }
 126 };
 127
 128 VOID
 129 ArmPlatformGetPlatformPpiList (
 130   OUT UINTN                   *PpiListSize,
 131   OUT EFI_PEI_PPI_DESCRIPTOR  **PpiList
 132   )
 133 {
 134   if (ArmIsMpCore()) {
 135     *PpiListSize = sizeof(gPlatformPpiTable);
 136     *PpiList = gPlatformPpiTable;
 137   } else {
 138     *PpiListSize = 0;
 139     *PpiList = NULL;
 140   }
 141 }
 142