1 /** @file 2 * 3 * Copyright (c) 2011-2013, 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 mVersatileExpressMpCoreInfoTable[] = { 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 0, Core 2 47 0x0, 0x2, 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 0, Core 3 57 0x0, 0x3, 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 0 67 0x1, 0x0, 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 1 77 0x1, 0x1, 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 // Cluster 1, Core 2 87 0x1, 0x2, 88 89 // MP Core MailBox Set/Get/Clear Addresses and Clear Value 90 (EFI_PHYSICAL_ADDRESS)ARM_VE_SYS_FLAGS_REG, 91 (EFI_PHYSICAL_ADDRESS)ARM_VE_SYS_FLAGS_SET_REG, 92 (EFI_PHYSICAL_ADDRESS)ARM_VE_SYS_FLAGS_CLR_REG, 93 (UINT64)0xFFFFFFFF 94 }, 95 { 96 // Cluster 1, Core 3 97 0x1, 0x3, 98 99 // MP Core MailBox Set/Get/Clear Addresses and Clear Value 100 (EFI_PHYSICAL_ADDRESS)ARM_VE_SYS_FLAGS_REG, 101 (EFI_PHYSICAL_ADDRESS)ARM_VE_SYS_FLAGS_SET_REG, 102 (EFI_PHYSICAL_ADDRESS)ARM_VE_SYS_FLAGS_CLR_REG, 103 (UINT64)0xFFFFFFFF 104 } 105 }; 106 107 /** 108 Return the current Boot Mode 109 110 This function returns the boot reason on the platform 111 112 @return Return the current Boot Mode of the platform 113 114 **/ 115 EFI_BOOT_MODE 116 ArmPlatformGetBootMode ( 117 VOID 118 ) 119 { 120 return BOOT_WITH_FULL_CONFIGURATION; 121 } 122 123 /** 124 Initialize controllers that must setup in the normal world 125 126 This function is called by the ArmPlatformPkg/Pei or ArmPlatformPkg/Pei/PlatformPeim 127 in the PEI phase. 128 129 **/ 130 RETURN_STATUS 131 ArmPlatformInitialize ( 132 IN UINTN MpId 133 ) 134 { 135 if (!ArmPlatformIsPrimaryCore (MpId)) { 136 return RETURN_SUCCESS; 137 } 138 139 // Disable memory remapping and return to normal mapping 140 MmioOr32 (SP810_CTRL_BASE, BIT8); 141 142 return RETURN_SUCCESS; 143 } 144 145 /** 146 Initialize the system (or sometimes called permanent) memory 147 148 This memory is generally represented by the DRAM. 149 150 **/ 151 VOID 152 ArmPlatformInitializeSystemMemory ( 153 VOID 154 ) 155 { 156 // Nothing to do here 157 } 158 159 EFI_STATUS 160 PrePeiCoreGetMpCoreInfo ( 161 OUT UINTN *CoreCount, 162 OUT ARM_CORE_INFO **ArmCoreTable 163 ) 164 { 165 UINT32 ProcType; 166 167 ProcType = MmioRead32 (ARM_VE_SYS_PROCID0_REG) & ARM_VE_SYS_PROC_ID_MASK; 168 if ((ProcType == ARM_VE_SYS_PROC_ID_CORTEX_A9) || (ProcType == ARM_VE_SYS_PROC_ID_CORTEX_A15)) { 169 // Only support one cluster on all but ARMv8 FVP platform. FVP still uses CortexA9 ID. 170 *CoreCount = ArmGetCpuCountPerCluster (); 171 *ArmCoreTable = mVersatileExpressMpCoreInfoTable; 172 return EFI_SUCCESS; 173 } else { 174 return EFI_UNSUPPORTED; 175 } 176 } 177 178 ARM_MP_CORE_INFO_PPI mMpCoreInfoPpi = { PrePeiCoreGetMpCoreInfo }; 179 180 EFI_PEI_PPI_DESCRIPTOR gPlatformPpiTable[] = { 181 { 182 EFI_PEI_PPI_DESCRIPTOR_PPI, 183 &gArmMpCoreInfoPpiGuid, 184 &mMpCoreInfoPpi 185 } 186 }; 187 188 VOID 189 ArmPlatformGetPlatformPpiList ( 190 OUT UINTN *PpiListSize, 191 OUT EFI_PEI_PPI_DESCRIPTOR **PpiList 192 ) 193 { 194 *PpiListSize = sizeof(gPlatformPpiTable); 195 *PpiList = gPlatformPpiTable; 196 } 197
