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/** @file
* Generic Timer Description Table (GTDT)
*
* Copyright (c) 2012 - 2014, ARM Limited. All rights reserved.
* Copyright (c) 2015 - 2016, Hisilicon Limited. All rights reserved.
* Copyright (c) 2015 - 2016, 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.
*
* Based on the files under ArmPlatformPkg/ArmJunoPkg/AcpiTables/
*
**/
#include <IndustryStandard/Acpi.h>
#include <Library/AcpiLib.h>
#include <Library/PcdLib.h>
#include "Hi1616Platform.h"
#define GTDT_TIMER_EDGE_TRIGGERED EFI_ACPI_6_1_GTDT_TIMER_FLAG_TIMER_INTERRUPT_MODE
#define GTDT_TIMER_LEVEL_TRIGGERED 0
#define GTDT_TIMER_ACTIVE_LOW EFI_ACPI_6_1_GTDT_TIMER_FLAG_TIMER_INTERRUPT_POLARITY
#define GTDT_TIMER_ACTIVE_HIGH 0
#define GTDT_TIMER_ALWAYS_ON_CAPABILITY EFI_ACPI_6_1_GTDT_TIMER_FLAG_ALWAYS_ON_CAPABILITY
#define GTDT_GTIMER_FLAGS (GTDT_TIMER_ALWAYS_ON_CAPABILITY | GTDT_TIMER_ACTIVE_LOW | GTDT_TIMER_LEVEL_TRIGGERED)
// Generic watchdog address for SCCL (Super CPU cluster) A and SCCL B on Hi1616.
// Watchdogs on socket 1 are not mapped to SPI interrupts so we can't describe
// them in GTDT.
#define GENERIC_WATCHDOG_CONTROL_BASE_SCCL_A 0x40500000
#define GENERIC_WATCHDOG_REFRESH_BASE_SCCL_A 0x40600000
#define GENERIC_WATCHDOG_CONTROL_BASE_SCCL_B 0x60500000
#define GENERIC_WATCHDOG_REFRESH_BASE_SCCL_B 0x60600000
#pragma pack (1)
typedef struct {
EFI_ACPI_6_1_GENERIC_TIMER_DESCRIPTION_TABLE Gtdt;
EFI_ACPI_6_1_GTDT_SBSA_GENERIC_WATCHDOG_STRUCTURE Watchdogs[HI1616_WATCHDOG_COUNT];
} EFI_ACPI_6_1_GENERIC_TIMER_DESCRIPTION_TABLES;
#pragma pack ()
EFI_ACPI_6_1_GENERIC_TIMER_DESCRIPTION_TABLES Gtdt = {
{
ARM_ACPI_HEADER(
EFI_ACPI_6_1_GENERIC_TIMER_DESCRIPTION_TABLE_SIGNATURE,
EFI_ACPI_6_1_GENERIC_TIMER_DESCRIPTION_TABLES,
EFI_ACPI_6_1_GENERIC_TIMER_DESCRIPTION_TABLE_REVISION
),
0xFFFFFFFFFFFFFFFF, // UINT64 CntControl Base 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
HI1616_WATCHDOG_COUNT, // UINT32 PlatformTimerCount
sizeof (EFI_ACPI_6_1_GENERIC_TIMER_DESCRIPTION_TABLE) // UINT32 PlatfromTimerOffset
},
{
EFI_ACPI_5_1_SBSA_GENERIC_WATCHDOG_STRUCTURE_INIT(
GENERIC_WATCHDOG_REFRESH_BASE_SCCL_A, GENERIC_WATCHDOG_CONTROL_BASE_SCCL_A, 400, 0),
EFI_ACPI_5_1_SBSA_GENERIC_WATCHDOG_STRUCTURE_INIT(
GENERIC_WATCHDOG_REFRESH_BASE_SCCL_B, GENERIC_WATCHDOG_CONTROL_BASE_SCCL_B, 496, 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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