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1d5d0ae9 | 1 | /** @file |
2 | * | |
3 | * Copyright (c) 2011, 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> | |
23792dea | 19 | |
1d5d0ae9 | 20 | #include <Drivers/PL341Dmc.h> |
23792dea | 21 | #include <Drivers/SP804Timer.h> |
1d5d0ae9 | 22 | |
44788bae | 23 | #include <Ppi/ArmMpCoreInfo.h> |
24 | ||
5cc45b70 | 25 | #include <ArmPlatform.h> |
26 | ||
44788bae | 27 | ARM_CORE_INFO mRealViewEbMpCoreInfoTable[] = { |
28 | { | |
29 | // Cluster 0, Core 0 | |
30 | 0x0, 0x0, | |
31 | ||
32 | // MP Core MailBox Set/Get/Clear Addresses and Clear Value | |
33 | (EFI_PHYSICAL_ADDRESS)ARM_EB_SYS_FLAGS_REG, | |
34 | (EFI_PHYSICAL_ADDRESS)ARM_EB_SYS_FLAGS_SET_REG, | |
35 | (EFI_PHYSICAL_ADDRESS)ARM_EB_SYS_FLAGS_CLR_REG, | |
36 | (UINT64)0xFFFFFFFF | |
37 | }, | |
38 | { | |
39 | // Cluster 0, Core 1 | |
40 | 0x0, 0x1, | |
41 | ||
42 | // MP Core MailBox Set/Get/Clear Addresses and Clear Value | |
43 | (EFI_PHYSICAL_ADDRESS)ARM_EB_SYS_FLAGS_REG, | |
44 | (EFI_PHYSICAL_ADDRESS)ARM_EB_SYS_FLAGS_SET_REG, | |
45 | (EFI_PHYSICAL_ADDRESS)ARM_EB_SYS_FLAGS_CLR_REG, | |
46 | (UINT64)0xFFFFFFFF | |
47 | } | |
48 | }; | |
49 | ||
a534d714 | 50 | /** |
51 | Return the current Boot Mode | |
52 | ||
53 | This function returns the boot reason on the platform | |
54 | ||
55 | **/ | |
56 | EFI_BOOT_MODE | |
57 | ArmPlatformGetBootMode ( | |
58 | VOID | |
59 | ) | |
60 | { | |
61 | return BOOT_WITH_FULL_CONFIGURATION; | |
62 | } | |
63 | ||
aa01abaa | 64 | /** |
65 | Initialize controllers that must setup in the normal world | |
66 | ||
5cc45b70 | 67 | This function is called by the ArmPlatformPkg/PrePi or ArmPlatformPkg/PlatformPei |
aa01abaa | 68 | in the PEI phase. |
69 | ||
70 | **/ | |
71 | VOID | |
72 | ArmPlatformNormalInitialize ( | |
73 | VOID | |
74 | ) | |
75 | { | |
8d0fe26c | 76 | // Disable memory remapping and return to normal mapping |
77 | MmioOr32 (ARM_EB_SYSCTRL, BIT8); //EB_SP810_CTRL_BASE | |
78 | ||
23792dea | 79 | // Configure periodic timer (TIMER0) for 1MHz operation |
80 | MmioOr32 (SP810_CTRL_BASE + SP810_SYS_CTRL_REG, SP810_SYS_CTRL_TIMER0_TIMCLK); | |
81 | // Configure 1MHz clock | |
82 | MmioOr32 (SP810_CTRL_BASE + SP810_SYS_CTRL_REG, SP810_SYS_CTRL_TIMER1_TIMCLK); | |
83 | // configure SP810 to use 1MHz clock and disable | |
84 | MmioAndThenOr32 (SP810_CTRL_BASE + SP810_SYS_CTRL_REG, ~SP810_SYS_CTRL_TIMER2_EN, SP810_SYS_CTRL_TIMER2_TIMCLK); | |
85 | // Configure SP810 to use 1MHz clock and disable | |
86 | MmioAndThenOr32 (SP810_CTRL_BASE + SP810_SYS_CTRL_REG, ~SP810_SYS_CTRL_TIMER3_EN, SP810_SYS_CTRL_TIMER3_TIMCLK); | |
aa01abaa | 87 | } |
88 | ||
1d5d0ae9 | 89 | /** |
90 | Initialize the system (or sometimes called permanent) memory | |
91 | ||
92 | This memory is generally represented by the DRAM. | |
93 | ||
94 | **/ | |
aa01abaa | 95 | VOID |
96 | ArmPlatformInitializeSystemMemory ( | |
97 | VOID | |
98 | ) | |
99 | { | |
100 | // We do not need to initialize the System Memory on RTSM | |
1d5d0ae9 | 101 | } |
44788bae | 102 | |
103 | EFI_STATUS | |
104 | PrePeiCoreGetMpCoreInfo ( | |
105 | OUT UINTN *CoreCount, | |
106 | OUT ARM_CORE_INFO **ArmCoreTable | |
107 | ) | |
108 | { | |
109 | if ((MmioRead32 (ARM_EB_SYS_PROCID0_REG) & ARM_EB_SYS_PROC_ID_MASK) == ARM_EB_SYS_PROC_ID_CORTEX_A9) { | |
110 | *CoreCount = sizeof(mRealViewEbMpCoreInfoTable) / sizeof(ARM_CORE_INFO); | |
111 | *ArmCoreTable = mRealViewEbMpCoreInfoTable; | |
112 | return EFI_SUCCESS; | |
113 | } else { | |
114 | return EFI_UNSUPPORTED; | |
115 | } | |
116 | } | |
117 | ||
118 | // Needs to be declared in the file. Otherwise gArmMpCoreInfoPpiGuid is undefined in the contect of PrePeiCore | |
119 | EFI_GUID mArmMpCoreInfoPpiGuid = ARM_MP_CORE_INFO_PPI_GUID; | |
120 | ARM_MP_CORE_INFO_PPI mMpCoreInfoPpi = { PrePeiCoreGetMpCoreInfo }; | |
121 | ||
122 | EFI_PEI_PPI_DESCRIPTOR gPlatformPpiTable[] = { | |
123 | { | |
124 | EFI_PEI_PPI_DESCRIPTOR_PPI, | |
125 | &mArmMpCoreInfoPpiGuid, | |
126 | &mMpCoreInfoPpi | |
127 | } | |
128 | }; | |
129 | ||
77de7e53 | 130 | VOID |
131 | ArmPlatformGetPlatformPpiList ( | |
132 | OUT UINTN *PpiListSize, | |
133 | OUT EFI_PEI_PPI_DESCRIPTOR **PpiList | |
134 | ) | |
135 | { | |
44788bae | 136 | *PpiListSize = sizeof(gPlatformPpiTable); |
137 | *PpiList = gPlatformPpiTable; | |
77de7e53 | 138 | } |
139 |