ArmPlatformPkg/ArmVExpressPkg/Library/ArmVExpressLibCTA15-A7/CTA15-A7.c

   1 /** @file
   2 *
   3 *  Copyright (c) 2012, 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 mVersatileExpressCTA15A7InfoTable[] = {
  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_CTA15A7_SPC_A15_BX_ADDR0,
  31     (EFI_PHYSICAL_ADDRESS)ARM_CTA15A7_SPC_A15_BX_ADDR0,
  32     (EFI_PHYSICAL_ADDRESS)ARM_CTA15A7_SPC_A15_BX_ADDR0,
  33     (UINT64)0
  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_CTA15A7_SPC_A15_BX_ADDR1,
  41     (EFI_PHYSICAL_ADDRESS)ARM_CTA15A7_SPC_A15_BX_ADDR1,
  42     (EFI_PHYSICAL_ADDRESS)ARM_CTA15A7_SPC_A15_BX_ADDR1,
  43     (UINT64)0
  44   },
  45 #ifndef ARM_BIGLITTLE_TC2
  46   {
  47     // Cluster 0, Core 2
  48     0x0, 0x2,
  49
  50     // MP Core MailBox Set/Get/Clear Addresses and Clear Value
  51     (EFI_PHYSICAL_ADDRESS)ARM_CTA15A7_SPC_A15_BX_ADDR2,
  52     (EFI_PHYSICAL_ADDRESS)ARM_CTA15A7_SPC_A15_BX_ADDR2,
  53     (EFI_PHYSICAL_ADDRESS)ARM_CTA15A7_SPC_A15_BX_ADDR2,
  54     (UINT64)0
  55   },
  56   {
  57     // Cluster 0, Core 3
  58     0x0, 0x3,
  59
  60     // MP Core MailBox Set/Get/Clear Addresses and Clear Value
  61     (EFI_PHYSICAL_ADDRESS)ARM_CTA15A7_SPC_A15_BX_ADDR3,
  62     (EFI_PHYSICAL_ADDRESS)ARM_CTA15A7_SPC_A15_BX_ADDR3,
  63     (EFI_PHYSICAL_ADDRESS)ARM_CTA15A7_SPC_A15_BX_ADDR3,
  64     (UINT64)0
  65   },
  66 #endif
  67   {
  68     // Cluster 1, Core 0
  69     0x1, 0x0,
  70
  71     // MP Core MailBox Set/Get/Clear Addresses and Clear Value
  72     (EFI_PHYSICAL_ADDRESS)ARM_CTA15A7_SPC_A7_BX_ADDR0,
  73     (EFI_PHYSICAL_ADDRESS)ARM_CTA15A7_SPC_A7_BX_ADDR0,
  74     (EFI_PHYSICAL_ADDRESS)ARM_CTA15A7_SPC_A7_BX_ADDR0,
  75     (UINT64)0
  76   },
  77   {
  78     // Cluster 1, Core 1
  79     0x1, 0x1,
  80
  81     // MP Core MailBox Set/Get/Clear Addresses and Clear Value
  82     (EFI_PHYSICAL_ADDRESS)ARM_CTA15A7_SPC_A7_BX_ADDR1,
  83     (EFI_PHYSICAL_ADDRESS)ARM_CTA15A7_SPC_A7_BX_ADDR1,
  84     (EFI_PHYSICAL_ADDRESS)ARM_CTA15A7_SPC_A7_BX_ADDR1,
  85     (UINT64)0
  86   },
  87   {
  88     // Cluster 1, Core 2
  89     0x1, 0x2,
  90
  91     // MP Core MailBox Set/Get/Clear Addresses and Clear Value
  92     (EFI_PHYSICAL_ADDRESS)ARM_CTA15A7_SPC_A7_BX_ADDR2,
  93     (EFI_PHYSICAL_ADDRESS)ARM_CTA15A7_SPC_A7_BX_ADDR2,
  94     (EFI_PHYSICAL_ADDRESS)ARM_CTA15A7_SPC_A7_BX_ADDR2,
  95     (UINT64)0
  96   }
  97 #ifndef ARM_BIGLITTLE_TC2
  98   ,{
  99     // Cluster 1, Core 3
 100     0x1, 0x3,
 101
 102     // MP Core MailBox Set/Get/Clear Addresses and Clear Value
 103     (EFI_PHYSICAL_ADDRESS)ARM_CTA15A7_SPC_A7_BX_ADDR3,
 104     (EFI_PHYSICAL_ADDRESS)ARM_CTA15A7_SPC_A7_BX_ADDR3,
 105     (EFI_PHYSICAL_ADDRESS)ARM_CTA15A7_SPC_A7_BX_ADDR3,
 106     (UINT64)0
 107   }
 108 #endif
 109 };
 110
 111 /**
 112   Return the current Boot Mode
 113
 114   This function returns the boot reason on the platform
 115
 116   @return   Return the current Boot Mode of the platform
 117
 118 **/
 119 EFI_BOOT_MODE
 120 ArmPlatformGetBootMode (
 121   VOID
 122   )
 123 {
 124   if (MmioRead32(ARM_CTA15A7_SCC_SYSINFO) & ARM_CTA15A7_SCC_SYSINFO_UEFI_RESTORE_DEFAULT_NORFLASH) {
 125     return BOOT_WITH_DEFAULT_SETTINGS;
 126   } else {
 127     return BOOT_WITH_FULL_CONFIGURATION;
 128   }
 129 }
 130
 131 /**
 132   Initialize controllers that must setup in the normal world
 133
 134   This function is called by the ArmPlatformPkg/Pei or ArmPlatformPkg/Pei/PlatformPeim
 135   in the PEI phase.
 136
 137 **/
 138 RETURN_STATUS
 139 ArmPlatformInitialize (
 140   IN  UINTN                     MpId
 141   )
 142 {
 143   if (!ArmPlatformIsPrimaryCore (MpId)) {
 144     return RETURN_SUCCESS;
 145   }
 146
 147   // Nothing to do here
 148
 149   return RETURN_SUCCESS;
 150 }
 151
 152 /**
 153   Initialize the system (or sometimes called permanent) memory
 154
 155   This memory is generally represented by the DRAM.
 156
 157 **/
 158 VOID
 159 ArmPlatformInitializeSystemMemory (
 160   VOID
 161   )
 162 {
 163 }
 164
 165 EFI_STATUS
 166 PrePeiCoreGetMpCoreInfo (
 167   OUT UINTN                   *CoreCount,
 168   OUT ARM_CORE_INFO           **ArmCoreTable
 169   )
 170 {
 171   // Only support one cluster
 172   *CoreCount    = sizeof(mVersatileExpressCTA15A7InfoTable) / sizeof(ARM_CORE_INFO);
 173   *ArmCoreTable = mVersatileExpressCTA15A7InfoTable;
 174   return EFI_SUCCESS;
 175 }
 176
 177 ARM_MP_CORE_INFO_PPI mMpCoreInfoPpi = { PrePeiCoreGetMpCoreInfo };
 178
 179 EFI_PEI_PPI_DESCRIPTOR      gPlatformPpiTable[] = {
 180   {
 181     EFI_PEI_PPI_DESCRIPTOR_PPI,
 182     &gArmMpCoreInfoPpiGuid,
 183     &mMpCoreInfoPpi
 184   }
 185 };
 186
 187 VOID
 188 ArmPlatformGetPlatformPpiList (
 189   OUT UINTN                   *PpiListSize,
 190   OUT EFI_PEI_PPI_DESCRIPTOR  **PpiList
 191   )
 192 {
 193   *PpiListSize = sizeof(gPlatformPpiTable);
 194   *PpiList = gPlatformPpiTable;
 195 }