/** @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 - 2016, Hisilicon Limited. All rights reserved.
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* Copyright (c) 2015 - 2016, 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 <IndustryStandard/Acpi.h>
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#include <Library/AcpiLib.h>
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#include <Library/PcdLib.h>
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#include "Hi1616Platform.h"
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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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// Generic watchdog address for SCCL (Super CPU cluster) A and SCCL B on Hi1616.
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// Watchdogs on socket 1 are not mapped to SPI interrupts so we can't describe
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// them in GTDT.
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#define GENERIC_WATCHDOG_CONTROL_BASE_SCCL_A 0x40500000
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#define GENERIC_WATCHDOG_REFRESH_BASE_SCCL_A 0x40600000
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#define GENERIC_WATCHDOG_CONTROL_BASE_SCCL_B 0x60500000
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#define GENERIC_WATCHDOG_REFRESH_BASE_SCCL_B 0x60600000
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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[HI1616_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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0xFFFFFFFFFFFFFFFF, // UINT64 CntControl Base 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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HI1616_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_5_1_SBSA_GENERIC_WATCHDOG_STRUCTURE_INIT(
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GENERIC_WATCHDOG_REFRESH_BASE_SCCL_A, GENERIC_WATCHDOG_CONTROL_BASE_SCCL_A, 400, 0),
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EFI_ACPI_5_1_SBSA_GENERIC_WATCHDOG_STRUCTURE_INIT(
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GENERIC_WATCHDOG_REFRESH_BASE_SCCL_B, GENERIC_WATCHDOG_CONTROL_BASE_SCCL_B, 496, 0)
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}
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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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