]> git.proxmox.com Git - mirror_edk2.git/blame - ArmPlatformPkg/PrePeiCore/MainMPCore.c
ArmPlatformPkg: Increase more ARM address Pcd entries to 64-bit.
[mirror_edk2.git] / ArmPlatformPkg / PrePeiCore / MainMPCore.c
CommitLineData
1d5d0ae9 1/** @file\r
2*\r
1b0ac0de 3* Copyright (c) 2011-2014, ARM Limited. All rights reserved.\r
1d5d0ae9 4*\r
5* This program and the accompanying materials\r
6* are licensed and made available under the terms and conditions of the BSD License\r
7* which accompanies this distribution. The full text of the license may be found at\r
8* http://opensource.org/licenses/bsd-license.php\r
9*\r
10* THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,\r
11* WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.\r
12*\r
13**/\r
14\r
55a0d64b 15#include <Library/ArmGicLib.h>\r
44788bae 16\r
17#include <Ppi/ArmMpCoreInfo.h>\r
18\r
f598bf12 19#include "PrePeiCore.h"\r
20\r
1d5d0ae9 21/*\r
22 * This is the main function for secondary cores. They loop around until a non Null value is written to\r
23 * SYS_FLAGS register.The SYS_FLAGS register is platform specific.\r
24 * Note:The secondary cores, while executing secondary_main, assumes that:\r
25 * : SGI 0 is configured as Non-secure interrupt\r
26 * : Priority Mask is configured to allow SGI 0\r
27 * : Interrupt Distributor and CPU interfaces are enabled\r
28 *\r
29 */\r
30VOID\r
31EFIAPI\r
f598bf12 32SecondaryMain (\r
0787bc61 33 IN UINTN MpId\r
f598bf12 34 )\r
1d5d0ae9 35{\r
44788bae 36 EFI_STATUS Status;\r
37 UINTN PpiListSize;\r
38 UINTN PpiListCount;\r
39 EFI_PEI_PPI_DESCRIPTOR *PpiList;\r
40 ARM_MP_CORE_INFO_PPI *ArmMpCoreInfoPpi;\r
41 UINTN Index;\r
42 UINTN ArmCoreCount;\r
43 ARM_CORE_INFO *ArmCoreInfoTable;\r
44 UINT32 ClusterId;\r
45 UINT32 CoreId;\r
46 VOID (*SecondaryStart)(VOID);\r
47 UINTN SecondaryEntryAddr;\r
1b0ac0de
OM
48 UINTN AcknowledgeInterrupt;\r
49 UINTN InterruptId;\r
44788bae 50\r
51 ClusterId = GET_CLUSTER_ID(MpId);\r
52 CoreId = GET_CORE_ID(MpId);\r
53\r
54 // Get the gArmMpCoreInfoPpiGuid\r
55 PpiListSize = 0;\r
56 ArmPlatformGetPlatformPpiList (&PpiListSize, &PpiList);\r
57 PpiListCount = PpiListSize / sizeof(EFI_PEI_PPI_DESCRIPTOR);\r
58 for (Index = 0; Index < PpiListCount; Index++, PpiList++) {\r
59 if (CompareGuid (PpiList->Guid, &gArmMpCoreInfoPpiGuid) == TRUE) {\r
60 break;\r
61 }\r
62 }\r
63\r
64 // On MP Core Platform we must implement the ARM MP Core Info PPI\r
65 ASSERT (Index != PpiListCount);\r
66\r
67 ArmMpCoreInfoPpi = PpiList->Ppi;\r
68 ArmCoreCount = 0;\r
69 Status = ArmMpCoreInfoPpi->GetMpCoreInfo (&ArmCoreCount, &ArmCoreInfoTable);\r
70 ASSERT_EFI_ERROR (Status);\r
71\r
72 // Find the core in the ArmCoreTable\r
73 for (Index = 0; Index < ArmCoreCount; Index++) {\r
74 if ((ArmCoreInfoTable[Index].ClusterId == ClusterId) && (ArmCoreInfoTable[Index].CoreId == CoreId)) {\r
75 break;\r
76 }\r
77 }\r
78\r
79 // The ARM Core Info Table must define every core\r
80 ASSERT (Index != ArmCoreCount);\r
1d5d0ae9 81\r
f598bf12 82 // Clear Secondary cores MailBox\r
44788bae 83 MmioWrite32 (ArmCoreInfoTable[Index].MailboxClearAddress, ArmCoreInfoTable[Index].MailboxClearValue);\r
1d5d0ae9 84\r
315649cd 85 do {\r
44788bae 86 ArmCallWFI ();\r
315649cd 87\r
88 // Read the Mailbox\r
89 SecondaryEntryAddr = MmioRead32 (ArmCoreInfoTable[Index].MailboxGetAddress);\r
90\r
f598bf12 91 // Acknowledge the interrupt and send End of Interrupt signal.\r
1b0ac0de 92 AcknowledgeInterrupt = ArmGicAcknowledgeInterrupt (PcdGet32 (PcdGicInterruptInterfaceBase), &InterruptId);\r
2ca815a4 93 // Check if it is a valid interrupt ID\r
1b0ac0de 94 if (InterruptId < ArmGicGetMaxNumInterrupts (PcdGet32 (PcdGicDistributorBase))) {\r
2ca815a4 95 // Got a valid SGI number hence signal End of Interrupt\r
1b0ac0de 96 ArmGicEndOfInterrupt (PcdGet32 (PcdGicInterruptInterfaceBase), AcknowledgeInterrupt);\r
2ca815a4 97 }\r
f93f248a 98 } while (SecondaryEntryAddr == 0);\r
1d5d0ae9 99\r
f598bf12 100 // Jump to secondary core entry point.\r
44788bae 101 SecondaryStart = (VOID (*)())SecondaryEntryAddr;\r
102 SecondaryStart();\r
1d5d0ae9 103\r
f598bf12 104 // The secondaries shouldn't reach here\r
105 ASSERT(FALSE);\r
1d5d0ae9 106}\r
107\r
f598bf12 108VOID\r
109EFIAPI\r
110PrimaryMain (\r
1d5d0ae9 111 IN EFI_PEI_CORE_ENTRY_POINT PeiCoreEntryPoint\r
112 )\r
113{\r
f598bf12 114 EFI_SEC_PEI_HAND_OFF SecCoreData;\r
77de7e53 115 UINTN PpiListSize;\r
116 EFI_PEI_PPI_DESCRIPTOR *PpiList;\r
117 UINTN TemporaryRamBase;\r
118 UINTN TemporaryRamSize;\r
119\r
120 CreatePpiList (&PpiListSize, &PpiList);\r
1d5d0ae9 121\r
55a0d64b 122 // Enable the GIC Distributor\r
6f711615 123 ArmGicEnableDistributor (PcdGet32(PcdGicDistributorBase));\r
1d5d0ae9 124\r
f598bf12 125 // If ArmVe has not been built as Standalone then we need to wake up the secondary cores\r
55a0d64b 126 if (FeaturePcdGet (PcdSendSgiToBringUpSecondaryCores)) {\r
f598bf12 127 // Sending SGI to all the Secondary CPU interfaces\r
4c19ece3 128 ArmGicSendSgiTo (PcdGet32(PcdGicDistributorBase), ARM_GIC_ICDSGIR_FILTER_EVERYONEELSE, 0x0E, PcdGet32 (PcdGicSgiIntId));\r
f598bf12 129 }\r
1d5d0ae9 130\r
77de7e53 131 // Adjust the Temporary Ram as the new Ppi List (Common + Platform Ppi Lists) is created at\r
132 // the base of the primary core stack\r
133 PpiListSize = ALIGN_VALUE(PpiListSize, 0x4);\r
bb5420bb 134 TemporaryRamBase = (UINTN)PcdGet64 (PcdCPUCoresStackBase) + PpiListSize;\r
77de7e53 135 TemporaryRamSize = (UINTN)PcdGet32 (PcdCPUCorePrimaryStackSize) - PpiListSize;\r
136\r
3222e7b1 137 // Make sure the size is 8-byte aligned. Once divided by 2, the size should be 4-byte aligned\r
138 // to ensure the stack pointer is 4-byte aligned.\r
139 TemporaryRamSize = TemporaryRamSize - (TemporaryRamSize & (0x8-1));\r
140\r
f598bf12 141 //\r
142 // Bind this information into the SEC hand-off state\r
143 // Note: this must be in sync with the stuff in the asm file\r
144 // Note also: HOBs (pei temp ram) MUST be above stack\r
145 //\r
146 SecCoreData.DataSize = sizeof(EFI_SEC_PEI_HAND_OFF);\r
bb5420bb 147 SecCoreData.BootFirmwareVolumeBase = (VOID *)(UINTN)PcdGet64 (PcdFvBaseAddress);\r
f92b93c9 148 SecCoreData.BootFirmwareVolumeSize = PcdGet32 (PcdFvSize);\r
77de7e53 149 SecCoreData.TemporaryRamBase = (VOID *)TemporaryRamBase; // We run on the primary core (and so we use the first stack)\r
150 SecCoreData.TemporaryRamSize = TemporaryRamSize;\r
151 SecCoreData.PeiTemporaryRamBase = SecCoreData.TemporaryRamBase;\r
f598bf12 152 SecCoreData.PeiTemporaryRamSize = SecCoreData.TemporaryRamSize / 2;\r
3222e7b1 153 SecCoreData.StackBase = (VOID *)ALIGN_VALUE((UINTN)(SecCoreData.TemporaryRamBase) + SecCoreData.PeiTemporaryRamSize, 0x4);\r
154 SecCoreData.StackSize = (TemporaryRamBase + TemporaryRamSize) - (UINTN)SecCoreData.StackBase;\r
1d5d0ae9 155\r
f598bf12 156 // Jump to PEI core entry point\r
6f711615 157 PeiCoreEntryPoint (&SecCoreData, PpiList);\r
1d5d0ae9 158}\r