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 47 typedef 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 54 EFI_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 // 94 VOID* CONST ReferenceAcpiTable = &Gtdt; 95 96
