/** @file
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* Generic Timer Description Table (GTDT)
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*
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* Copyright (c) 2012 - 2014, ARM Limited. All rights reserved.
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* Copyright (c) 2015, Hisilicon Limited. All rights reserved.
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* Copyright (c) 2015, Linaro Limited. All rights reserved.
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*
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* SPDX-License-Identifier: BSD-2-Clause-Patent
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*
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* Based on the files under ArmPlatformPkg/ArmJunoPkg/AcpiTables/
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*
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**/
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#include "Hi1610Platform.h"
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#include <Library/AcpiLib.h>
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#include <Library/PcdLib.h>
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#include <IndustryStandard/Acpi.h>
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#define GTDT_GLOBAL_FLAGS_MAPPED EFI_ACPI_6_1_GTDT_GLOBAL_FLAG_MEMORY_MAPPED_BLOCK_PRESENT
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#define GTDT_GLOBAL_FLAGS_NOT_MAPPED 0
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#define GTDT_GLOBAL_FLAGS_EDGE EFI_ACPI_6_1_GTDT_GLOBAL_FLAG_INTERRUPT_MODE
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#define GTDT_GLOBAL_FLAGS_LEVEL 0
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// Note: We could have a build flag that switches between memory mapped/non-memory mapped timer
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#ifdef SYSTEM_TIMER_BASE_ADDRESS
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#define GTDT_GLOBAL_FLAGS (GTDT_GLOBAL_FLAGS_MAPPED | GTDT_GLOBAL_FLAGS_LEVEL)
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#else
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#define GTDT_GLOBAL_FLAGS (GTDT_GLOBAL_FLAGS_NOT_MAPPED | GTDT_GLOBAL_FLAGS_LEVEL)
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#define SYSTEM_TIMER_BASE_ADDRESS 0xFFFFFFFFFFFFFFFF
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#endif
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#define GTDT_TIMER_EDGE_TRIGGERED EFI_ACPI_6_1_GTDT_TIMER_FLAG_TIMER_INTERRUPT_MODE
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#define GTDT_TIMER_LEVEL_TRIGGERED 0
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#define GTDT_TIMER_ACTIVE_LOW EFI_ACPI_6_1_GTDT_TIMER_FLAG_TIMER_INTERRUPT_POLARITY
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#define GTDT_TIMER_ACTIVE_HIGH 0
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#define GTDT_TIMER_ALWAYS_ON_CAPABILITY EFI_ACPI_6_1_GTDT_TIMER_FLAG_ALWAYS_ON_CAPABILITY
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#define GTDT_GTIMER_FLAGS (GTDT_TIMER_ALWAYS_ON_CAPABILITY | GTDT_TIMER_ACTIVE_LOW | GTDT_TIMER_LEVEL_TRIGGERED)
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#pragma pack (1)
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typedef struct {
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EFI_ACPI_6_1_GENERIC_TIMER_DESCRIPTION_TABLE Gtdt;
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EFI_ACPI_6_1_GTDT_SBSA_GENERIC_WATCHDOG_STRUCTURE Watchdogs[HI1610_WATCHDOG_COUNT];
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} EFI_ACPI_6_1_GENERIC_TIMER_DESCRIPTION_TABLES;
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#pragma pack ()
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EFI_ACPI_6_1_GENERIC_TIMER_DESCRIPTION_TABLES Gtdt = {
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{
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ARM_ACPI_HEADER(
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EFI_ACPI_6_1_GENERIC_TIMER_DESCRIPTION_TABLE_SIGNATURE,
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EFI_ACPI_6_1_GENERIC_TIMER_DESCRIPTION_TABLES,
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EFI_ACPI_6_1_GENERIC_TIMER_DESCRIPTION_TABLE_REVISION
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),
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SYSTEM_TIMER_BASE_ADDRESS, // UINT64 PhysicalAddress
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0, // UINT32 Reserved
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FixedPcdGet32 (PcdArmArchTimerSecIntrNum), // UINT32 SecurePL1TimerGSIV
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GTDT_GTIMER_FLAGS, // UINT32 SecurePL1TimerFlags
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FixedPcdGet32 (PcdArmArchTimerIntrNum), // UINT32 NonSecurePL1TimerGSIV
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GTDT_GTIMER_FLAGS, // UINT32 NonSecurePL1TimerFlags
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FixedPcdGet32 (PcdArmArchTimerVirtIntrNum), // UINT32 VirtualTimerGSIV
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GTDT_GTIMER_FLAGS, // UINT32 VirtualTimerFlags
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FixedPcdGet32 (PcdArmArchTimerHypIntrNum), // UINT32 NonSecurePL2TimerGSIV
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GTDT_GTIMER_FLAGS, // UINT32 NonSecurePL2TimerFlags
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0xFFFFFFFFFFFFFFFF, // UINT64 CntReadBasePhysicalAddress
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#ifdef notyet
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PV660_WATCHDOG_COUNT, // UINT32 PlatformTimerCount
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sizeof (EFI_ACPI_6_1_GENERIC_TIMER_DESCRIPTION_TABLE) // UINT32 PlatfromTimerOffset
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},
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{
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EFI_ACPI_6_1_SBSA_GENERIC_WATCHDOG_STRUCTURE_INIT(
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//FixedPcdGet32 (PcdGenericWatchdogRefreshBase), FixedPcdGet32 (PcdGenericWatchdogControlBase), 93, 0),
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0, 0, 0, 0),
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EFI_ACPI_6_1_SBSA_GENERIC_WATCHDOG_STRUCTURE_INIT(
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//FixedPcdGet32 (PcdGenericWatchdogRefreshBase), FixedPcdGet32 (PcdGenericWatchdogControlBase), 94, EFI_ACPI_6_1_GTDT_SBSA_GENERIC_WATCHDOG_FLAG_SECURE_TIMER)
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0, 0, 0, 0)
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}
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#else /* !notyet */
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0, 0
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}
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#endif
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};
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//
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// Reference the table being generated to prevent the optimizer from removing the
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// data structure from the executable
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//
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VOID* CONST ReferenceAcpiTable = &Gtdt;
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