ArmPlatformPkg/ArmJunoPkg/Library/ArmJunoLib/ArmJuno.c

   1 /** @file
   2 *
   3 *  Copyright (c) 2013-2014, 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/IoLib.h>
  16 #include <Library/ArmPlatformLib.h>
  17 #include <Library/DebugLib.h>
  18 #include <Library/PcdLib.h>
  19
  20 #include <Ppi/ArmMpCoreInfo.h>
  21
  22 #include <ArmPlatform.h>
  23
  24 ARM_CORE_INFO mJunoInfoTable[] = {
  25   {
  26     // Cluster 0, Core 0
  27     0x0, 0x0,
  28
  29     // MP Core MailBox Set/Get/Clear Addresses and Clear Value
  30     (EFI_PHYSICAL_ADDRESS)ARM_VE_SYS_FLAGS_REG,
  31     (EFI_PHYSICAL_ADDRESS)ARM_VE_SYS_FLAGS_SET_REG,
  32     (EFI_PHYSICAL_ADDRESS)ARM_VE_SYS_FLAGS_CLR_REG,
  33     (UINT64)0xFFFFFFFF
  34   },
  35   {
  36     // Cluster 0, Core 1
  37     0x0, 0x1,
  38
  39     // MP Core MailBox Set/Get/Clear Addresses and Clear Value
  40     (EFI_PHYSICAL_ADDRESS)ARM_VE_SYS_FLAGS_REG,
  41     (EFI_PHYSICAL_ADDRESS)ARM_VE_SYS_FLAGS_SET_REG,
  42     (EFI_PHYSICAL_ADDRESS)ARM_VE_SYS_FLAGS_CLR_REG,
  43     (UINT64)0xFFFFFFFF
  44   },
  45   {
  46     // Cluster 1, Core 0
  47     0x1, 0x0,
  48
  49     // MP Core MailBox Set/Get/Clear Addresses and Clear Value
  50     (EFI_PHYSICAL_ADDRESS)ARM_VE_SYS_FLAGS_REG,
  51     (EFI_PHYSICAL_ADDRESS)ARM_VE_SYS_FLAGS_SET_REG,
  52     (EFI_PHYSICAL_ADDRESS)ARM_VE_SYS_FLAGS_CLR_REG,
  53     (UINT64)0xFFFFFFFF
  54   },
  55   {
  56     // Cluster 1, Core 1
  57     0x1, 0x1,
  58
  59     // MP Core MailBox Set/Get/Clear Addresses and Clear Value
  60     (EFI_PHYSICAL_ADDRESS)ARM_VE_SYS_FLAGS_REG,
  61     (EFI_PHYSICAL_ADDRESS)ARM_VE_SYS_FLAGS_SET_REG,
  62     (EFI_PHYSICAL_ADDRESS)ARM_VE_SYS_FLAGS_CLR_REG,
  63     (UINT64)0xFFFFFFFF
  64   },
  65   {
  66     // Cluster 1, Core 2
  67     0x1, 0x2,
  68
  69     // MP Core MailBox Set/Get/Clear Addresses and Clear Value
  70     (EFI_PHYSICAL_ADDRESS)ARM_VE_SYS_FLAGS_REG,
  71     (EFI_PHYSICAL_ADDRESS)ARM_VE_SYS_FLAGS_SET_REG,
  72     (EFI_PHYSICAL_ADDRESS)ARM_VE_SYS_FLAGS_CLR_REG,
  73     (UINT64)0xFFFFFFFF
  74   },
  75   {
  76     // Cluster 1, Core 3
  77     0x1, 0x3,
  78
  79     // MP Core MailBox Set/Get/Clear Addresses and Clear Value
  80     (EFI_PHYSICAL_ADDRESS)ARM_VE_SYS_FLAGS_REG,
  81     (EFI_PHYSICAL_ADDRESS)ARM_VE_SYS_FLAGS_SET_REG,
  82     (EFI_PHYSICAL_ADDRESS)ARM_VE_SYS_FLAGS_CLR_REG,
  83     (UINT64)0xFFFFFFFF
  84   }
  85 };
  86
  87 /**
  88   Return the current Boot Mode
  89
  90   This function returns the boot reason on the platform
  91
  92   @return   Return the current Boot Mode of the platform
  93
  94 **/
  95 EFI_BOOT_MODE
  96 ArmPlatformGetBootMode (
  97   VOID
  98   )
  99 {
 100   return BOOT_WITH_FULL_CONFIGURATION;
 101 }
 102
 103 /**
 104   Initialize controllers that must setup in the normal world
 105
 106   This function is called by the ArmPlatformPkg/Pei or ArmPlatformPkg/Pei/PlatformPeim
 107   in the PEI phase.
 108
 109 **/
 110 RETURN_STATUS
 111 ArmPlatformInitialize (
 112   IN  UINTN                     MpId
 113   )
 114 {
 115   return RETURN_SUCCESS;
 116 }
 117
 118 /**
 119   Initialize the system (or sometimes called permanent) memory
 120
 121   This memory is generally represented by the DRAM.
 122
 123 **/
 124 VOID
 125 ArmPlatformInitializeSystemMemory (
 126   VOID
 127   )
 128 {
 129 }
 130
 131 EFI_STATUS
 132 PrePeiCoreGetMpCoreInfo (
 133   OUT UINTN                   *CoreCount,
 134   OUT ARM_CORE_INFO           **ArmCoreTable
 135   )
 136 {
 137   // Only support one cluster
 138   *CoreCount    = sizeof(mJunoInfoTable) / sizeof(ARM_CORE_INFO);
 139   *ArmCoreTable = mJunoInfoTable;
 140   return EFI_SUCCESS;
 141 }
 142
 143 // Needs to be declared in the file. Otherwise gArmMpCoreInfoPpiGuid is undefined in the contect of PrePeiCore
 144 EFI_GUID mArmMpCoreInfoPpiGuid = ARM_MP_CORE_INFO_PPI_GUID;
 145 ARM_MP_CORE_INFO_PPI mMpCoreInfoPpi = { PrePeiCoreGetMpCoreInfo };
 146
 147 EFI_PEI_PPI_DESCRIPTOR      gPlatformPpiTable[] = {
 148   {
 149     EFI_PEI_PPI_DESCRIPTOR_PPI,
 150     &mArmMpCoreInfoPpiGuid,
 151     &mMpCoreInfoPpi
 152   }
 153 };
 154
 155 VOID
 156 ArmPlatformGetPlatformPpiList (
 157   OUT UINTN                   *PpiListSize,
 158   OUT EFI_PEI_PPI_DESCRIPTOR  **PpiList
 159   )
 160 {
 161   *PpiListSize = sizeof(gPlatformPpiTable);
 162   *PpiList = gPlatformPpiTable;
 163 }