1/** @file 2* Generic Timer Description Table (GTDT) 3* 4* Copyright (c) 2012 - 2014, ARM Limited. All rights reserved. 5* Copyright (c) 2015 - 2016, Hisilicon Limited. All rights reserved. 6* Copyright (c) 2015 - 2016, Linaro Limited. All rights reserved. 7* 8* This program and the accompanying materials 9* are licensed and made available under the terms and conditions of the BSD License 10* which accompanies this distribution. The full text of the license may be found at 11* http://opensource.org/licenses/bsd-license.php 12* 13* THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS, 14* WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED. 15* 16* Based on the files under ArmPlatformPkg/ArmJunoPkg/AcpiTables/ 17* 18**/ 19 20#include <IndustryStandard/Acpi.h> 21#include <Library/AcpiLib.h> 22#include <Library/PcdLib.h> 23#include "Hi1616Platform.h" 24 25#define GTDT_GLOBAL_FLAGS_MAPPED EFI_ACPI_5_0_GTDT_GLOBAL_FLAG_MEMORY_MAPPED_BLOCK_PRESENT 26#define GTDT_GLOBAL_FLAGS_NOT_MAPPED 0 27#define GTDT_GLOBAL_FLAGS_EDGE EFI_ACPI_5_0_GTDT_GLOBAL_FLAG_INTERRUPT_MODE 28#define GTDT_GLOBAL_FLAGS_LEVEL 0 29 30// Note: We could have a build flag that switches between memory mapped/non-memory mapped timer 31#ifdef SYSTEM_TIMER_BASE_ADDRESS 32 #define GTDT_GLOBAL_FLAGS (GTDT_GLOBAL_FLAGS_MAPPED | GTDT_GLOBAL_FLAGS_LEVEL) 33#else 34 #define GTDT_GLOBAL_FLAGS (GTDT_GLOBAL_FLAGS_NOT_MAPPED | GTDT_GLOBAL_FLAGS_LEVEL) 35 #define SYSTEM_TIMER_BASE_ADDRESS 0xFFFFFFFFFFFFFFFF 36#endif 37 38#define GTDT_TIMER_EDGE_TRIGGERED EFI_ACPI_5_0_GTDT_TIMER_FLAG_TIMER_INTERRUPT_MODE 39#define GTDT_TIMER_LEVEL_TRIGGERED 0 40#define GTDT_TIMER_ACTIVE_LOW EFI_ACPI_5_0_GTDT_TIMER_FLAG_TIMER_INTERRUPT_POLARITY 41#define GTDT_TIMER_ACTIVE_HIGH 0 42 43#define GTDT_GTIMER_FLAGS (GTDT_TIMER_ACTIVE_LOW | GTDT_TIMER_LEVEL_TRIGGERED) 44 45#pragma pack (1) 46 47typedef struct { 48 EFI_ACPI_5_1_GENERIC_TIMER_DESCRIPTION_TABLE Gtdt; 49 EFI_ACPI_5_1_GTDT_SBSA_GENERIC_WATCHDOG_STRUCTURE Watchdogs[HI1616_WATCHDOG_COUNT]; 50} EFI_ACPI_5_1_GENERIC_TIMER_DESCRIPTION_TABLES; 51 52#pragma pack () 53 54EFI_ACPI_5_1_GENERIC_TIMER_DESCRIPTION_TABLES Gtdt = { 55 { 56 ARM_ACPI_HEADER( 57 EFI_ACPI_5_1_GENERIC_TIMER_DESCRIPTION_TABLE_SIGNATURE, 58 EFI_ACPI_5_1_GENERIC_TIMER_DESCRIPTION_TABLES, 59 EFI_ACPI_5_1_GENERIC_TIMER_DESCRIPTION_TABLE_REVISION 60 ), 61 SYSTEM_TIMER_BASE_ADDRESS, // UINT64 PhysicalAddress 62 0, // UINT32 Reserved 63 FixedPcdGet32 (PcdArmArchTimerSecIntrNum), // UINT32 SecurePL1TimerGSIV 64 GTDT_GTIMER_FLAGS, // UINT32 SecurePL1TimerFlags 65 FixedPcdGet32 (PcdArmArchTimerIntrNum), // UINT32 NonSecurePL1TimerGSIV 66 GTDT_GTIMER_FLAGS, // UINT32 NonSecurePL1TimerFlags 67 FixedPcdGet32 (PcdArmArchTimerVirtIntrNum), // UINT32 VirtualTimerGSIV 68 GTDT_GTIMER_FLAGS, // UINT32 VirtualTimerFlags 69 FixedPcdGet32 (PcdArmArchTimerHypIntrNum), // UINT32 NonSecurePL2TimerGSIV 70 GTDT_GTIMER_FLAGS, // UINT32 NonSecurePL2TimerFlags 71 0xFFFFFFFFFFFFFFFF, // UINT64 CntReadBasePhysicalAddress 72#ifdef notyet 73 PV660_WATCHDOG_COUNT, // UINT32 PlatformTimerCount 74 sizeof (EFI_ACPI_5_1_GENERIC_TIMER_DESCRIPTION_TABLE) // UINT32 PlatfromTimerOffset 75 }, 76 { 77 EFI_ACPI_5_1_SBSA_GENERIC_WATCHDOG_STRUCTURE_INIT( 78 //FixedPcdGet32 (PcdGenericWatchdogRefreshBase), FixedPcdGet32 (PcdGenericWatchdogControlBase), 93, 0), 79 0, 0, 0, 0), 80 EFI_ACPI_5_1_SBSA_GENERIC_WATCHDOG_STRUCTURE_INIT( 81 //FixedPcdGet32 (PcdGenericWatchdogRefreshBase), FixedPcdGet32 (PcdGenericWatchdogControlBase), 94, EFI_ACPI_5_1_GTDT_SBSA_GENERIC_WATCHDOG_FLAG_SECURE_TIMER) 82 0, 0, 0, 0) 83 } 84#else /* !notyet */ 85 0, 0 86 } 87#endif 88 }; 89 90// 91// Reference the table being generated to prevent the optimizer from removing the 92// data structure from the executable 93// 94VOID* CONST ReferenceAcpiTable = &Gtdt; 95 96