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1e57a462 | 1 | /** @file\r |
2 | *\r | |
3 | * Copyright (c) 2011-2012, ARM Limited. All rights reserved.\r | |
1e57a462 | 4 | *\r |
3402aac7 RC |
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 | |
1e57a462 | 12 | *\r |
13 | **/\r | |
14 | \r | |
15 | #include <Library/IoLib.h>\r | |
16 | #include <Library/ArmPlatformLib.h>\r | |
17 | #include <Library/DebugLib.h>\r | |
18 | #include <Library/PcdLib.h>\r | |
19 | \r | |
20 | #include <Omap3530/Omap3530.h>\r | |
21 | #include <BeagleBoard.h>\r | |
22 | \r | |
23 | VOID\r | |
24 | PadConfiguration (\r | |
25 | BEAGLEBOARD_REVISION Revision\r | |
26 | );\r | |
27 | \r | |
28 | VOID\r | |
29 | ClockInit (\r | |
30 | VOID\r | |
31 | );\r | |
32 | \r | |
33 | /**\r | |
34 | Detect board revision\r | |
35 | \r | |
36 | @return Board revision\r | |
37 | **/\r | |
38 | BEAGLEBOARD_REVISION\r | |
39 | BeagleBoardGetRevision (\r | |
40 | VOID\r | |
41 | )\r | |
42 | {\r | |
43 | UINT32 OldPinDir;\r | |
44 | UINT32 Revision;\r | |
45 | \r | |
46 | // Read GPIO 171, 172, 173\r | |
47 | OldPinDir = MmioRead32 (GPIO6_BASE + GPIO_OE);\r | |
48 | MmioWrite32(GPIO6_BASE + GPIO_OE, (OldPinDir | BIT11 | BIT12 | BIT13));\r | |
49 | Revision = MmioRead32 (GPIO6_BASE + GPIO_DATAIN);\r | |
3402aac7 | 50 | \r |
1e57a462 | 51 | // Restore I/O settings\r |
52 | MmioWrite32 (GPIO6_BASE + GPIO_OE, OldPinDir);\r | |
3402aac7 | 53 | \r |
1e57a462 | 54 | return (BEAGLEBOARD_REVISION)((Revision >> 11) & 0x7);\r |
55 | }\r | |
56 | \r | |
57 | /**\r | |
58 | Return the current Boot Mode\r | |
59 | \r | |
60 | This function returns the boot reason on the platform\r | |
61 | \r | |
62 | **/\r | |
63 | EFI_BOOT_MODE\r | |
64 | ArmPlatformGetBootMode (\r | |
65 | VOID\r | |
66 | )\r | |
67 | {\r | |
68 | return BOOT_WITH_FULL_CONFIGURATION;\r | |
69 | }\r | |
70 | \r | |
71 | /**\r | |
72 | Initialize controllers that must setup at the early stage\r | |
73 | \r | |
74 | Some peripherals must be initialized in Secure World.\r | |
75 | For example, some L2x0 requires to be initialized in Secure World\r | |
76 | \r | |
77 | **/\r | |
78 | RETURN_STATUS\r | |
79 | ArmPlatformInitialize (\r | |
80 | IN UINTN MpId\r | |
81 | )\r | |
82 | {\r | |
83 | BEAGLEBOARD_REVISION Revision;\r | |
84 | \r | |
85 | Revision = BeagleBoardGetRevision();\r | |
86 | \r | |
87 | // Set up Pin muxing.\r | |
88 | PadConfiguration (Revision);\r | |
89 | \r | |
90 | // Set up system clocking\r | |
91 | ClockInit ();\r | |
92 | \r | |
93 | // Turn off the functional clock for Timer 3\r | |
94 | MmioAnd32 (CM_FCLKEN_PER, 0xFFFFFFFF ^ CM_ICLKEN_PER_EN_GPT3_ENABLE );\r | |
cf93a378 | 95 | ArmDataSynchronizationBarrier ();\r |
1e57a462 | 96 | \r |
97 | // Clear IRQs\r | |
98 | MmioWrite32 (INTCPS_CONTROL, INTCPS_CONTROL_NEWIRQAGR);\r | |
cf93a378 | 99 | ArmDataSynchronizationBarrier ();\r |
1e57a462 | 100 | \r |
101 | return RETURN_SUCCESS;\r | |
102 | }\r | |
103 | \r | |
104 | /**\r | |
105 | Initialize the system (or sometimes called permanent) memory\r | |
106 | \r | |
107 | This memory is generally represented by the DRAM.\r | |
108 | \r | |
109 | **/\r | |
110 | VOID\r | |
111 | ArmPlatformInitializeSystemMemory (\r | |
112 | VOID\r | |
113 | )\r | |
114 | {\r | |
115 | // We do not need to initialize the System Memory on RTSM\r | |
116 | }\r | |
117 | \r | |
118 | VOID\r | |
119 | ArmPlatformGetPlatformPpiList (\r | |
120 | OUT UINTN *PpiListSize,\r | |
121 | OUT EFI_PEI_PPI_DESCRIPTOR **PpiList\r | |
122 | )\r | |
123 | {\r | |
124 | *PpiListSize = 0;\r | |
125 | *PpiList = NULL;\r | |
126 | }\r | |
127 | \r | |
128 | UINTN\r | |
129 | ArmPlatformGetCorePosition (\r | |
130 | IN UINTN MpId\r | |
131 | )\r | |
132 | {\r | |
133 | return 1;\r | |
134 | }\r | |
135 | \r |