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