ArmPlatformPkg: Renamed and Invoked earlier ArmPlatformNormalInitialize()
[mirror_edk2.git] / ArmPlatformPkg / ArmVExpressPkg / Library / ArmVExpressLibRTSM / RTSM.c
1 /** @file
2 *
3 * Copyright (c) 2011-2012, 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 UINTN
25 ArmGetCpuCountPerCluster (
26 VOID
27 );
28
29 ARM_CORE_INFO mVersatileExpressMpCoreInfoTable[] = {
30 {
31 // Cluster 0, Core 0
32 0x0, 0x0,
33
34 // MP Core MailBox Set/Get/Clear Addresses and Clear Value
35 (EFI_PHYSICAL_ADDRESS)ARM_VE_SYS_FLAGS_REG,
36 (EFI_PHYSICAL_ADDRESS)ARM_VE_SYS_FLAGS_SET_REG,
37 (EFI_PHYSICAL_ADDRESS)ARM_VE_SYS_FLAGS_CLR_REG,
38 (UINT64)0xFFFFFFFF
39 },
40 {
41 // Cluster 0, Core 1
42 0x0, 0x1,
43
44 // MP Core MailBox Set/Get/Clear Addresses and Clear Value
45 (EFI_PHYSICAL_ADDRESS)ARM_VE_SYS_FLAGS_REG,
46 (EFI_PHYSICAL_ADDRESS)ARM_VE_SYS_FLAGS_SET_REG,
47 (EFI_PHYSICAL_ADDRESS)ARM_VE_SYS_FLAGS_CLR_REG,
48 (UINT64)0xFFFFFFFF
49 },
50 {
51 // Cluster 0, Core 2
52 0x0, 0x2,
53
54 // MP Core MailBox Set/Get/Clear Addresses and Clear Value
55 (EFI_PHYSICAL_ADDRESS)ARM_VE_SYS_FLAGS_REG,
56 (EFI_PHYSICAL_ADDRESS)ARM_VE_SYS_FLAGS_SET_REG,
57 (EFI_PHYSICAL_ADDRESS)ARM_VE_SYS_FLAGS_CLR_REG,
58 (UINT64)0xFFFFFFFF
59 },
60 {
61 // Cluster 0, Core 3
62 0x0, 0x3,
63
64 // MP Core MailBox Set/Get/Clear Addresses and Clear Value
65 (EFI_PHYSICAL_ADDRESS)ARM_VE_SYS_FLAGS_REG,
66 (EFI_PHYSICAL_ADDRESS)ARM_VE_SYS_FLAGS_SET_REG,
67 (EFI_PHYSICAL_ADDRESS)ARM_VE_SYS_FLAGS_CLR_REG,
68 (UINT64)0xFFFFFFFF
69 }
70 };
71
72 /**
73 Return the current Boot Mode
74
75 This function returns the boot reason on the platform
76
77 @return Return the current Boot Mode of the platform
78
79 **/
80 EFI_BOOT_MODE
81 ArmPlatformGetBootMode (
82 VOID
83 )
84 {
85 return BOOT_WITH_FULL_CONFIGURATION;
86 }
87
88 /**
89 Initialize controllers that must setup in the normal world
90
91 This function is called by the ArmPlatformPkg/Pei or ArmPlatformPkg/Pei/PlatformPeim
92 in the PEI phase.
93
94 **/
95 RETURN_STATUS
96 ArmPlatformInitialize (
97 IN UINTN MpId
98 )
99 {
100 if (!IS_PRIMARY_CORE(MpId)) {
101 return RETURN_SUCCESS;
102 }
103
104 // Disable memory remapping and return to normal mapping
105 MmioOr32 (SP810_CTRL_BASE, BIT8);
106
107 return RETURN_SUCCESS;
108 }
109
110 /**
111 Initialize the system (or sometimes called permanent) memory
112
113 This memory is generally represented by the DRAM.
114
115 **/
116 VOID
117 ArmPlatformInitializeSystemMemory (
118 VOID
119 )
120 {
121 // Nothing to do here
122 }
123
124 EFI_STATUS
125 PrePeiCoreGetMpCoreInfo (
126 OUT UINTN *CoreCount,
127 OUT ARM_CORE_INFO **ArmCoreTable
128 )
129 {
130 UINT32 ProcType;
131
132 ProcType = MmioRead32 (ARM_VE_SYS_PROCID0_REG) & ARM_VE_SYS_PROC_ID_MASK;
133 if ((ProcType == ARM_VE_SYS_PROC_ID_CORTEX_A9) || (ProcType == ARM_VE_SYS_PROC_ID_CORTEX_A15)) {
134 // Only support one cluster
135 *CoreCount = ArmGetCpuCountPerCluster ();
136 *ArmCoreTable = mVersatileExpressMpCoreInfoTable;
137 return EFI_SUCCESS;
138 } else {
139 return EFI_UNSUPPORTED;
140 }
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 }