1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
|
/** @file
* Generic Timer Description Table (GTDT)
*
* Copyright (c) 2012 - 2014, ARM Limited. All rights reserved.
* Copyright (c) 2016, Linaro Ltd. All rights reserved
*
* This program and the accompanying materials
* are licensed and made available under the terms and conditions of the BSD License
* which accompanies this distribution. The full text of the license may be found at
* http://opensource.org/licenses/bsd-license.php
*
* THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
* WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
*
**/
#include "FvpPlatform.h"
#include <Library/AcpiLib.h>
#include <Library/PcdLib.h>
#include <IndustryStandard/Acpi61.h>
#define SECURE_TIMER_EL1_GSIV 0x1D
#define NON_SECURE_TIMER_EL1_GSIV 0x1E
#define VIRTUAL_TIMER_GSIV 0x1B
#define NON_SECURE_EL2_GSIV 0x1A
#define GT_BLOCK_CTL_BASE 0x000000002A810000
#define GT_BLOCK_FRAME1_CTL_BASE 0x000000002A820000
#define GT_BLOCK_FRAME1_GSIV 0x29
#pragma pack (1)
typedef struct {
EFI_ACPI_6_1_GENERIC_TIMER_DESCRIPTION_TABLE Gtdt;
EFI_ACPI_6_1_GTDT_GT_BLOCK_STRUCTURE GtBlock;
EFI_ACPI_6_1_GTDT_GT_BLOCK_TIMER_STRUCTURE Frames[1];
} FVP_GENERIC_TIMER_DESCRIPTION_TABLES;
#pragma pack ()
FVP_GENERIC_TIMER_DESCRIPTION_TABLES Gtdt = {
{
ARM_ACPI_HEADER(
EFI_ACPI_6_1_GENERIC_TIMER_DESCRIPTION_TABLE_SIGNATURE,
FVP_GENERIC_TIMER_DESCRIPTION_TABLES,
EFI_ACPI_6_1_GENERIC_TIMER_DESCRIPTION_TABLE_REVISION
),
0xFFFFFFFFFFFFFFFF, // UINT64 PhysicalAddress
EFI_ACPI_RESERVED_DWORD, // UINT32 Reserved
SECURE_TIMER_EL1_GSIV, // UINT32 SecurePL1TimerGSIV
EFI_ACPI_6_1_GTDT_TIMER_FLAG_TIMER_INTERRUPT_MODE, // UINT32 SecurePL1TimerFlags
NON_SECURE_TIMER_EL1_GSIV, // UINT32 NonSecurePL1TimerGSIV
EFI_ACPI_6_1_GTDT_TIMER_FLAG_TIMER_INTERRUPT_MODE, // UINT32 NonSecurePL1TimerFlags
VIRTUAL_TIMER_GSIV, // UINT32 VirtualTimerGSIV
EFI_ACPI_6_1_GTDT_TIMER_FLAG_TIMER_INTERRUPT_MODE, // UINT32 VirtualTimerFlags
NON_SECURE_EL2_GSIV, // UINT32 NonSecurePL2TimerGSIV
EFI_ACPI_6_1_GTDT_TIMER_FLAG_TIMER_INTERRUPT_MODE, // UINT32 NonSecurePL2TimerFlags
0xFFFFFFFFFFFFFFFF, // UINT64 CntReadBasePhysicalAddress
1, // UINT32 PlatformTimerCount
sizeof (EFI_ACPI_6_1_GENERIC_TIMER_DESCRIPTION_TABLE) // UINT32 PlatfromTimerOffset
},
{
EFI_ACPI_6_1_GTDT_GT_BLOCK, // UINT8 Type
sizeof(EFI_ACPI_6_1_GTDT_GT_BLOCK_STRUCTURE) // UINT16 Length
+ sizeof(EFI_ACPI_6_1_GTDT_GT_BLOCK_TIMER_STRUCTURE),
EFI_ACPI_RESERVED_BYTE, // UINT8 Reserved
GT_BLOCK_CTL_BASE, // UINT64 CntCtlBase
1, // UINT32 GTBlockTimerCount
sizeof(EFI_ACPI_6_1_GTDT_GT_BLOCK_STRUCTURE) // UINT32 GTBlockTimerOffset
},
{
{
0, // UINT8 GTFrameNumber
{EFI_ACPI_RESERVED_BYTE,
EFI_ACPI_RESERVED_BYTE,
EFI_ACPI_RESERVED_BYTE}, // UINT8 Reserved[3]
GT_BLOCK_FRAME1_CTL_BASE, // UINT64 CntBaseX
0xFFFFFFFFFFFFFFFF, // UINT64 CntEL0BaseX
GT_BLOCK_FRAME1_GSIV, // UINT32 GTxPhysicalTimerGSIV
0, // UINT32 GTxPhysicalTimerFlags
0, // UINT32 GTxVirtualTimerGSIV
0, // UINT32 GTxVirtualTimerFlags
0 // UINT32 GTxCommonFlags
}
}
};
//
// Reference the table being generated to prevent the optimizer from removing the
// data structure from the executable
//
VOID* CONST ReferenceAcpiTable = &Gtdt;
|
