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/** @file
* Generic Timer Description Table (GTDT)
*
* Copyright (c) 2012 - 2016, ARM Limited. All rights reserved.
* Copyright (c) 2018, Linaro 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 <Library/AcpiLib.h>
#include <Library/PcdLib.h>
#include <IndustryStandard/Acpi.h>
#include "AcpiTables.h"
#define SYSTEM_TIMER_BASE_ADDRESS 0xFFFFFFFFFFFFFFFF
#define GTDT_GLOBAL_FLAGS 0
#define GTDT_GTIMER_FLAGS EFI_ACPI_6_0_GTDT_TIMER_FLAG_TIMER_INTERRUPT_POLARITY
#pragma pack (1)
typedef struct {
EFI_ACPI_6_0_GENERIC_TIMER_DESCRIPTION_TABLE Gtdt;
EFI_ACPI_6_0_GTDT_GT_BLOCK_STRUCTURE TimerBase;
EFI_ACPI_6_0_GTDT_GT_BLOCK_TIMER_STRUCTURE TimerFrame;
EFI_ACPI_6_0_GTDT_SBSA_GENERIC_WATCHDOG_STRUCTURE Watchdog;
} EFI_ACPI_6_0_GENERIC_TIMER_DESCRIPTION_TABLES;
#pragma pack ()
EFI_ACPI_6_0_GENERIC_TIMER_DESCRIPTION_TABLES Gtdt = {
{
__ACPI_HEADER(
EFI_ACPI_6_0_GENERIC_TIMER_DESCRIPTION_TABLE_SIGNATURE,
EFI_ACPI_6_0_GENERIC_TIMER_DESCRIPTION_TABLES,
EFI_ACPI_6_0_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
2, // UINT32 PlatformTimerCount
sizeof (EFI_ACPI_6_0_GENERIC_TIMER_DESCRIPTION_TABLE) // UINT32 PlatfromTimerOffset
},
{
EFI_ACPI_6_0_GTDT_GT_BLOCK, // UINT8 Type
sizeof (EFI_ACPI_6_0_GTDT_GT_BLOCK_STRUCTURE) +
sizeof (EFI_ACPI_6_0_GTDT_GT_BLOCK_TIMER_STRUCTURE),
// UINT16 Length
EFI_ACPI_RESERVED_BYTE, // UINT8 Reserved
0x2A810000, // UINT64 CntCtlBase
1, // UINT32 GTBlockTimerCount
sizeof (EFI_ACPI_6_0_GTDT_GT_BLOCK_STRUCTURE) // UINT32 GTBlockTimerOffset
},
{
0, // UINT8 GTFrameNumber
{0, 0, 0}, // UINT8 Reserved[3]
0x2A830000, // UINT64 CntBaseX
0xFFFFFFFFFFFFFFFF, // UINT64 CntEL0BaseX
92, // UINT32 GTxPhysicalTimerGSIV
0, // UINT32 GTxPhysicalTimerFlags
0, // UINT32 GTxVirtualTimerGSIV
0, // UINT32 GTxVirtualTimerFlags
EFI_ACPI_6_0_GTDT_GT_BLOCK_COMMON_FLAG_ALWAYS_ON_CAPABILITY
// UINT32 GTxCommonFlags
},
EFI_ACPI_6_0_SBSA_GENERIC_WATCHDOG_STRUCTURE_INIT (
FixedPcdGet32 (PcdGenericWatchdogRefreshBase),
FixedPcdGet32 (PcdGenericWatchdogControlBase),
94,
0),
};
//
// Reference the table being generated to prevent the optimizer
// from removing the data structure from the executable
//
VOID* CONST ReferenceAcpiTable = &Gtdt;
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