hc
2024-03-26 e0728245c89800c2038c23308f2d88969d5b41c8
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
/** @file
*  Generic Timer Description Table (GTDT)
*
*  Copyright (c) 2012 - 2014, ARM Limited. All rights reserved.
*  Copyright (c) 2018, Hisilicon Limited. All rights reserved.
*  Copyright (c) 2015, Linaro Limited. All rights reserved.
*
*  SPDX-License-Identifier: BSD-2-Clause-Patent
*
*  Based on the files under ArmPlatformPkg/ArmJunoPkg/AcpiTables/
*
**/
 
#include "Hi1620Platform.h"
 
#include <Library/AcpiLib.h>
#include <Library/PcdLib.h>
#include <IndustryStandard/Acpi.h>
 
#define GTDT_TIMER_EDGE_TRIGGERED   EFI_ACPI_6_2_GTDT_TIMER_FLAG_TIMER_INTERRUPT_MODE
#define GTDT_TIMER_LEVEL_TRIGGERED  0
#define GTDT_TIMER_ACTIVE_LOW       EFI_ACPI_6_2_GTDT_TIMER_FLAG_TIMER_INTERRUPT_POLARITY
#define GTDT_TIMER_ACTIVE_HIGH      0
#define SYSTEM_TIMER_BASE_ADDRESS     0xFFFFFFFFFFFFFFFF
#define GTDT_TIMER_ALWAYS_ON_CAPABILITY  EFI_ACPI_6_2_GTDT_TIMER_FLAG_ALWAYS_ON_CAPABILITY
 
#define GTDT_GTIMER_FLAGS           (GTDT_TIMER_ALWAYS_ON_CAPABILITY | GTDT_TIMER_ACTIVE_LOW | GTDT_TIMER_LEVEL_TRIGGERED)
 
#define GENERIC_WATCHDOG_CONTROL_BASE_CPU1_TOTEM_A 0x9C200000
#define GENERIC_WATCHDOG_REFRESH_BASE_CPU1_TOTEM_A 0X9C210000
 
#define EFI_ACPI_6_2_SBSA_GENERIC_WATCHDOG_STRUCTURE_INIT(RefreshFramePhysicalAddress,                  \
    ControlFramePhysicalAddress, WatchdogTimerGSIV, WatchdogTimerFlags)                                 \
  {                                                                                                     \
    EFI_ACPI_6_2_GTDT_SBSA_GENERIC_WATCHDOG, sizeof(EFI_ACPI_6_2_GTDT_SBSA_GENERIC_WATCHDOG_STRUCTURE), \
    EFI_ACPI_RESERVED_BYTE, RefreshFramePhysicalAddress, ControlFramePhysicalAddress,                   \
    WatchdogTimerGSIV, WatchdogTimerFlags                                                               \
  }
 
#pragma pack (1)
 
typedef struct {
  EFI_ACPI_6_2_GENERIC_TIMER_DESCRIPTION_TABLE          Gtdt;
  EFI_ACPI_6_2_GTDT_SBSA_GENERIC_WATCHDOG_STRUCTURE     Watchdogs[HI1620_WATCHDOG_COUNT];
} EFI_ACPI_6_2_GENERIC_TIMER_DESCRIPTION_TABLES;
 
#pragma pack ()
 
EFI_ACPI_6_2_GENERIC_TIMER_DESCRIPTION_TABLES Gtdt = {
  {
    ARM_ACPI_HEADER(
      EFI_ACPI_6_2_GENERIC_TIMER_DESCRIPTION_TABLE_SIGNATURE,
      EFI_ACPI_6_2_GENERIC_TIMER_DESCRIPTION_TABLES,
      EFI_ACPI_6_2_GENERIC_TIMER_DESCRIPTION_TABLE_REVISION
    ),
    SYSTEM_TIMER_BASE_ADDRESS,                    // UINT64  PhysicalAddress
    0,                                            // UINT32  Reserved
    FixedPcdGet32 (PcdArmArchTimerSecIntrNum),    // UINT32  SecurePL1TimerGSIV
    GTDT_GTIMER_FLAGS,                            // UINT32  SecurePL1TimerFlags
    FixedPcdGet32 (PcdArmArchTimerIntrNum),       // UINT32  NonSecurePL1TimerGSIV
    GTDT_GTIMER_FLAGS,                            // UINT32  NonSecurePL1TimerFlags
    FixedPcdGet32 (PcdArmArchTimerVirtIntrNum),   // UINT32  VirtualTimerGSIV
    GTDT_GTIMER_FLAGS,                            // UINT32  VirtualTimerFlags
    FixedPcdGet32 (PcdArmArchTimerHypIntrNum),    // UINT32  NonSecurePL2TimerGSIV
    GTDT_GTIMER_FLAGS,                            // UINT32  NonSecurePL2TimerFlags
    0xFFFFFFFFFFFFFFFF,                           // UINT64  CntReadBasePhysicalAddress
    HI1620_WATCHDOG_COUNT,                        // UINT32  PlatformTimerCount
    sizeof (EFI_ACPI_6_2_GENERIC_TIMER_DESCRIPTION_TABLE) // UINT32 PlatfromTimerOffset
  },
  {
    EFI_ACPI_6_2_SBSA_GENERIC_WATCHDOG_STRUCTURE_INIT(
      GENERIC_WATCHDOG_REFRESH_BASE_CPU1_TOTEM_A, GENERIC_WATCHDOG_CONTROL_BASE_CPU1_TOTEM_A, 88, 1)
  }
};
 
//
// Reference the table being generated to prevent the optimizer from removing the
// data structure from the executable
//
VOID* CONST ReferenceAcpiTable = &Gtdt;