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
* DBG2 Table
*
* Copyright (c) 2012-2016, ARM Limited. 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 "ArmPlatform.h"
#include <Library/AcpiLib.h>
#include <Library/ArmLib.h>
#include <Library/PcdLib.h>
#include <IndustryStandard/Acpi.h>
#include <IndustryStandard/DebugPort2Table.h>
#pragma pack(1)
#define DBG2_NUM_DEBUG_PORTS 1
#define DBG2_NUMBER_OF_GENERIC_ADDRESS_REGISTERS 1
#define DBG2_NAMESPACESTRING_FIELD_SIZE 8
#define PL011_UART_LENGTH 0x1000
#define NAME_STR_UART1 {'C', 'O', 'M', '1', '\0', '\0', '\0', '\0'}
typedef struct {
EFI_ACPI_DBG2_DEBUG_DEVICE_INFORMATION_STRUCT Dbg2Device;
EFI_ACPI_5_1_GENERIC_ADDRESS_STRUCTURE BaseAddressRegister;
UINT32 AddressSize;
UINT8 NameSpaceString[DBG2_NAMESPACESTRING_FIELD_SIZE];
} DBG2_DEBUG_DEVICE_INFORMATION;
typedef struct {
EFI_ACPI_DEBUG_PORT_2_DESCRIPTION_TABLE Description;
DBG2_DEBUG_DEVICE_INFORMATION Dbg2DeviceInfo[DBG2_NUM_DEBUG_PORTS];
} DBG2_TABLE;
#define DBG2_DEBUG_PORT_DDI(NumReg, SubType, UartBase, UartAddrLen, UartNameStr) { \
{ \
EFI_ACPI_DBG2_DEBUG_DEVICE_INFORMATION_STRUCT_REVISION, /* UINT8 Revision */ \
sizeof (DBG2_DEBUG_DEVICE_INFORMATION), /* UINT16 Length */ \
NumReg, /* UINT8 NumberofGenericAddressRegisters */ \
DBG2_NAMESPACESTRING_FIELD_SIZE, /* UINT16 NameSpaceStringLength */ \
OFFSET_OF (DBG2_DEBUG_DEVICE_INFORMATION, NameSpaceString), /* UINT16 NameSpaceStringOffset */ \
0, /* UINT16 OemDataLength */ \
0, /* UINT16 OemDataOffset */ \
EFI_ACPI_DBG2_PORT_TYPE_SERIAL, /* UINT16 Port Type */ \
SubType, /* UINT16 Port Subtype */ \
{EFI_ACPI_RESERVED_BYTE, EFI_ACPI_RESERVED_BYTE}, /* UINT8 Reserved[2] */ \
OFFSET_OF (DBG2_DEBUG_DEVICE_INFORMATION, BaseAddressRegister), /* UINT16 BaseAddressRegister Offset */ \
OFFSET_OF (DBG2_DEBUG_DEVICE_INFORMATION, AddressSize) /* UINT16 AddressSize Offset */ \
}, \
ARM_GAS32 (UartBase), /* EFI_ACPI_5_1_GENERIC_ADDRESS_STRUCTURE BaseAddressRegister */ \
UartAddrLen, /* UINT32 AddressSize */ \
UartNameStr /* UINT8 NameSpaceString[MAX_DBG2_NAME_LEN] */ \
}
STATIC DBG2_TABLE Dbg2 = {
{
ARM_ACPI_HEADER (EFI_ACPI_5_1_DEBUG_PORT_2_TABLE_SIGNATURE,
DBG2_TABLE,
EFI_ACPI_DBG2_DEBUG_DEVICE_INFORMATION_STRUCT_REVISION),
OFFSET_OF (DBG2_TABLE, Dbg2DeviceInfo),
DBG2_NUM_DEBUG_PORTS /* UINT32 NumberDbgDeviceInfo */
},
{
/*
* Kernel Debug Port
*/
DBG2_DEBUG_PORT_DDI (DBG2_NUMBER_OF_GENERIC_ADDRESS_REGISTERS,
EFI_ACPI_DBG2_PORT_SUBTYPE_SERIAL_ARM_PL011_UART,
FixedPcdGet64 (PcdSerialDbgRegisterBase),
PL011_UART_LENGTH,
NAME_STR_UART1),
}
};
#pragma pack()
//
// Reference the table being generated to prevent the optimizer from removing
// the data structure from the executable
//
VOID* CONST ReferenceAcpiTable = &Dbg2;
|
