1 /** @file 2 * Generic Timer Description Table (GTDT) 3 * 4 * Copyright (c) 2012 - 2014, ARM Limited. All rights reserved. 5 * Copyright (c) 2015, Hisilicon Limited. All rights reserved. 6 * Copyright (c) 2015, 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 "Pv660Platform.h" 21 22 #include <Library/AcpiLib.h> 23 #include <Library/PcdLib.h> 24 #include <IndustryStandard/Acpi.h> 25 26 #define GTDT_GLOBAL_FLAGS_MAPPED EFI_ACPI_5_0_GTDT_GLOBAL_FLAG_MEMORY_MAPPED_BLOCK_PRESENT 27 #define GTDT_GLOBAL_FLAGS_NOT_MAPPED 0 28 #define GTDT_GLOBAL_FLAGS_EDGE EFI_ACPI_5_0_GTDT_GLOBAL_FLAG_INTERRUPT_MODE 29 #define GTDT_GLOBAL_FLAGS_LEVEL 0 30 31 // Note: We could have a build flag that switches between memory mapped/non-memory mapped timer 32 #ifdef SYSTEM_TIMER_BASE_ADDRESS 33 #define GTDT_GLOBAL_FLAGS (GTDT_GLOBAL_FLAGS_MAPPED | GTDT_GLOBAL_FLAGS_LEVEL) 34 #else 35 #define GTDT_GLOBAL_FLAGS (GTDT_GLOBAL_FLAGS_NOT_MAPPED | GTDT_GLOBAL_FLAGS_LEVEL) 36 #define SYSTEM_TIMER_BASE_ADDRESS 0xFFFFFFFFFFFFFFFF 37 #endif 38 39 #define GTDT_TIMER_EDGE_TRIGGERED EFI_ACPI_5_0_GTDT_TIMER_FLAG_TIMER_INTERRUPT_MODE 40 #define GTDT_TIMER_LEVEL_TRIGGERED 0 41 #define GTDT_TIMER_ACTIVE_LOW EFI_ACPI_5_0_GTDT_TIMER_FLAG_TIMER_INTERRUPT_POLARITY 42 #define GTDT_TIMER_ACTIVE_HIGH 0 43 44 #define GTDT_GTIMER_FLAGS (GTDT_TIMER_ACTIVE_LOW | GTDT_TIMER_LEVEL_TRIGGERED) 45 46 #pragma pack (1) 47 48 typedef struct { 49 EFI_ACPI_5_1_GENERIC_TIMER_DESCRIPTION_TABLE Gtdt; 50 EFI_ACPI_5_1_GTDT_SBSA_GENERIC_WATCHDOG_STRUCTURE Watchdogs[PV660_WATCHDOG_COUNT]; 51 } EFI_ACPI_5_1_GENERIC_TIMER_DESCRIPTION_TABLES; 52 53 #pragma pack () 54 55 EFI_ACPI_5_1_GENERIC_TIMER_DESCRIPTION_TABLES Gtdt = { 56 { 57 ARM_ACPI_HEADER( 58 EFI_ACPI_5_1_GENERIC_TIMER_DESCRIPTION_TABLE_SIGNATURE, 59 EFI_ACPI_5_1_GENERIC_TIMER_DESCRIPTION_TABLES, 60 EFI_ACPI_5_1_GENERIC_TIMER_DESCRIPTION_TABLE_REVISION 61 ), 62 SYSTEM_TIMER_BASE_ADDRESS, // UINT64 PhysicalAddress 63 0, // UINT32 Reserved 64 FixedPcdGet32 (PcdArmArchTimerSecIntrNum), // UINT32 SecurePL1TimerGSIV 65 GTDT_GTIMER_FLAGS, // UINT32 SecurePL1TimerFlags 66 FixedPcdGet32 (PcdArmArchTimerIntrNum), // UINT32 NonSecurePL1TimerGSIV 67 GTDT_GTIMER_FLAGS, // UINT32 NonSecurePL1TimerFlags 68 FixedPcdGet32 (PcdArmArchTimerVirtIntrNum), // UINT32 VirtualTimerGSIV 69 GTDT_GTIMER_FLAGS, // UINT32 VirtualTimerFlags 70 FixedPcdGet32 (PcdArmArchTimerHypIntrNum), // UINT32 NonSecurePL2TimerGSIV 71 GTDT_GTIMER_FLAGS, // UINT32 NonSecurePL2TimerFlags 72 0xFFFFFFFFFFFFFFFF, // UINT64 CntReadBasePhysicalAddress 73 #ifdef notyet 74 PV660_WATCHDOG_COUNT, // UINT32 PlatformTimerCount 75 sizeof (EFI_ACPI_5_1_GENERIC_TIMER_DESCRIPTION_TABLE) // UINT32 PlatfromTimerOffset 76 }, 77 { 78 EFI_ACPI_5_1_SBSA_GENERIC_WATCHDOG_STRUCTURE_INIT( 79 //FixedPcdGet32 (PcdGenericWatchdogRefreshBase), FixedPcdGet32 (PcdGenericWatchdogControlBase), 93, 0), 80 0, 0, 0, 0), 81 EFI_ACPI_5_1_SBSA_GENERIC_WATCHDOG_STRUCTURE_INIT( 82 //FixedPcdGet32 (PcdGenericWatchdogRefreshBase), FixedPcdGet32 (PcdGenericWatchdogControlBase), 94, EFI_ACPI_5_1_GTDT_SBSA_GENERIC_WATCHDOG_FLAG_SECURE_TIMER) 83 0, 0, 0, 0) 84 } 85 #else /* !notyet */ 86 0, 0 87 } 88 #endif 89 }; 90 91 // 92 // Reference the table being generated to prevent the optimizer from removing the 93 // data structure from the executable 94 // 95 VOID* CONST ReferenceAcpiTable = &Gtdt; 96 97
