ArmPlatformPkg: Renamed and Invoked earlier ArmPlatformNormalInitialize()
[mirror_edk2.git] / ArmPlatformPkg / ArmRealViewEbPkg / Library / ArmRealViewEbLibRTSM / ArmRealViewEb.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/ArmLib.h>
17 #include <Library/ArmPlatformLib.h>
18 #include <Library/DebugLib.h>
19 #include <Library/PcdLib.h>
20
21 #include <Drivers/PL341Dmc.h>
22 #include <Drivers/SP804Timer.h>
23
24 #include <Ppi/ArmMpCoreInfo.h>
25
26 #include <ArmPlatform.h>
27
28 ARM_CORE_INFO mRealViewEbMpCoreInfoTable[] = {
29 {
30 // Cluster 0, Core 0
31 0x0, 0x0,
32
33 // MP Core MailBox Set/Get/Clear Addresses and Clear Value
34 (EFI_PHYSICAL_ADDRESS)ARM_EB_SYS_FLAGS_REG,
35 (EFI_PHYSICAL_ADDRESS)ARM_EB_SYS_FLAGS_SET_REG,
36 (EFI_PHYSICAL_ADDRESS)ARM_EB_SYS_FLAGS_CLR_REG,
37 (UINT64)0xFFFFFFFF
38 },
39 {
40 // Cluster 0, Core 1
41 0x0, 0x1,
42
43 // MP Core MailBox Set/Get/Clear Addresses and Clear Value
44 (EFI_PHYSICAL_ADDRESS)ARM_EB_SYS_FLAGS_REG,
45 (EFI_PHYSICAL_ADDRESS)ARM_EB_SYS_FLAGS_SET_REG,
46 (EFI_PHYSICAL_ADDRESS)ARM_EB_SYS_FLAGS_CLR_REG,
47 (UINT64)0xFFFFFFFF
48 }
49 };
50
51 /**
52 Return the current Boot Mode
53
54 This function returns the boot reason on the platform
55
56 **/
57 EFI_BOOT_MODE
58 ArmPlatformGetBootMode (
59 VOID
60 )
61 {
62 return BOOT_WITH_FULL_CONFIGURATION;
63 }
64
65 /**
66 Initialize controllers that must setup in the normal world
67
68 This function is called by the ArmPlatformPkg/PrePi or ArmPlatformPkg/PlatformPei
69 in the PEI phase.
70
71 **/
72 RETURN_STATUS
73 ArmPlatformInitialize (
74 IN UINTN MpId
75 )
76 {
77 if (!IS_PRIMARY_CORE(MpId)) {
78 return RETURN_SUCCESS;
79 }
80
81 // Disable memory remapping and return to normal mapping
82 MmioOr32 (ARM_EB_SYSCTRL, BIT8); //EB_SP810_CTRL_BASE
83
84 // Configure periodic timer (TIMER0) for 1MHz operation
85 MmioOr32 (SP810_CTRL_BASE + SP810_SYS_CTRL_REG, SP810_SYS_CTRL_TIMER0_TIMCLK);
86 // Configure 1MHz clock
87 MmioOr32 (SP810_CTRL_BASE + SP810_SYS_CTRL_REG, SP810_SYS_CTRL_TIMER1_TIMCLK);
88 // configure SP810 to use 1MHz clock and disable
89 MmioAndThenOr32 (SP810_CTRL_BASE + SP810_SYS_CTRL_REG, ~SP810_SYS_CTRL_TIMER2_EN, SP810_SYS_CTRL_TIMER2_TIMCLK);
90 // Configure SP810 to use 1MHz clock and disable
91 MmioAndThenOr32 (SP810_CTRL_BASE + SP810_SYS_CTRL_REG, ~SP810_SYS_CTRL_TIMER3_EN, SP810_SYS_CTRL_TIMER3_TIMCLK);
92
93 return RETURN_SUCCESS;
94 }
95
96 /**
97 Initialize the system (or sometimes called permanent) memory
98
99 This memory is generally represented by the DRAM.
100
101 **/
102 VOID
103 ArmPlatformInitializeSystemMemory (
104 VOID
105 )
106 {
107 // We do not need to initialize the System Memory on RTSM
108 }
109
110 EFI_STATUS
111 PrePeiCoreGetMpCoreInfo (
112 OUT UINTN *CoreCount,
113 OUT ARM_CORE_INFO **ArmCoreTable
114 )
115 {
116 if ((MmioRead32 (ARM_EB_SYS_PROCID0_REG) & ARM_EB_SYS_PROC_ID_MASK) == ARM_EB_SYS_PROC_ID_CORTEX_A9) {
117 *CoreCount = sizeof(mRealViewEbMpCoreInfoTable) / sizeof(ARM_CORE_INFO);
118 *ArmCoreTable = mRealViewEbMpCoreInfoTable;
119 return EFI_SUCCESS;
120 } else {
121 return EFI_UNSUPPORTED;
122 }
123 }
124
125 // Needs to be declared in the file. Otherwise gArmMpCoreInfoPpiGuid is undefined in the contect of PrePeiCore
126 EFI_GUID mArmMpCoreInfoPpiGuid = ARM_MP_CORE_INFO_PPI_GUID;
127 ARM_MP_CORE_INFO_PPI mMpCoreInfoPpi = { PrePeiCoreGetMpCoreInfo };
128
129 EFI_PEI_PPI_DESCRIPTOR gPlatformPpiTable[] = {
130 {
131 EFI_PEI_PPI_DESCRIPTOR_PPI,
132 &mArmMpCoreInfoPpiGuid,
133 &mMpCoreInfoPpi
134 }
135 };
136
137 VOID
138 ArmPlatformGetPlatformPpiList (
139 OUT UINTN *PpiListSize,
140 OUT EFI_PEI_PPI_DESCRIPTOR **PpiList
141 )
142 {
143 *PpiListSize = sizeof(gPlatformPpiTable);
144 *PpiList = gPlatformPpiTable;
145 }
146