/** @file * Generic Timer Description Table (GTDT) * * Copyright (c) 2012 - 2014, ARM Limited. All rights reserved. * Copyright (c) 2016, Linaro Ltd. 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. * **/ #include "FvpPlatform.h" #include #include #include #define FVP_SYSTEM_TIMER_BASE_ADDRESS 0x000000002a430000 #define FVP_CNT_READ_BASE_ADDRESS 0x000000002a800000 #define FVP_SECURE_TIMER_EL1_GSIV 0x1D #define FVP_NON_SECURE_TIMER_EL1_GSIV 0x1E #define FVP_VIRTUAL_TIMER_GSIV 0x1B #define FVP_NON_SECURE_EL2_GSIV 0x1A #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_SAVE_CONTEXT EFI_ACPI_6_1_GTDT_TIMER_FLAG_ALWAYS_ON_CAPABILITY #define GTDT_TIMER_LOSE_CONTEXT 0 #define FVP_GTDT_GTIMER_FLAGS (GTDT_TIMER_LOSE_CONTEXT | GTDT_TIMER_ACTIVE_HIGH | GTDT_TIMER_EDGE_TRIGGERED) #define FVP_PLATFORM_TIMER_COUNT 2 #define FVP_TIMER_FRAMES_COUNT 2 #define FVP_WATCHDOG_COUNT 1 #define FVP_GT_BLOCK_CTL_BASE 0x000000002A810000 #define FVP_GT_BLOCK_FRAME0_CTL_BASE 0x000000002A820000 #define FVP_GT_BLOCK_FRAME0_CTL_EL0_BASE 0xFFFFFFFFFFFFFFFF #define FVP_GT_BLOCK_FRAME0_GSIV 0x39 #define FVP_GT_BLOCK_FRAME1_CTL_BASE 0x000000002A830000 #define FVP_GT_BLOCK_FRAME1_CTL_EL0_BASE 0xFFFFFFFFFFFFFFFF #define FVP_GT_BLOCK_FRAME1_GSIV 0x3A #define GTX_TIMER_EDGE_TRIGGERED EFI_ACPI_6_1_GTDT_GT_BLOCK_TIMER_FLAG_TIMER_INTERRUPT_MODE #define GTX_TIMER_LEVEL_TRIGGERED 0 #define GTX_TIMER_ACTIVE_LOW EFI_ACPI_6_1_GTDT_GT_BLOCK_TIMER_FLAG_TIMER_INTERRUPT_POLARITY #define GTX_TIMER_ACTIVE_HIGH 0 #define FVP_GTX_TIMER_FLAGS (GTX_TIMER_ACTIVE_HIGH | GTX_TIMER_LEVEL_TRIGGERED) #define GTX_TIMER_SECURE EFI_ACPI_6_1_GTDT_GT_BLOCK_COMMON_FLAG_SECURE_TIMER #define GTX_TIMER_NON_SECURE 0 #define GTX_TIMER_SAVE_CONTEXT EFI_ACPI_6_1_GTDT_GT_BLOCK_COMMON_FLAG_ALWAYS_ON_CAPABILITY #define GTX_TIMER_LOSE_CONTEXT 0 #define FVP_GTX_COMMON_FLAGS (GTX_TIMER_SAVE_CONTEXT | GTX_TIMER_SECURE) #define FVP_SBSA_WATCHDOG_REFRESH_BASE 0x000000002a450000 #define FVP_SBSA_WATCHDOG_CONTROL_BASE 0x000000002a440000 #define FVP_SBSA_WATCHDOG_GSIV 0x3B #define SBSA_WATCHDOG_EDGE_TRIGGERED EFI_ACPI_6_1_GTDT_SBSA_GENERIC_WATCHDOG_FLAG_TIMER_INTERRUPT_MODE #define SBSA_WATCHDOG_LEVEL_TRIGGERED 0 #define SBSA_WATCHDOG_ACTIVE_LOW EFI_ACPI_6_1_GTDT_SBSA_GENERIC_WATCHDOG_FLAG_TIMER_INTERRUPT_POLARITY #define SBSA_WATCHDOG_ACTIVE_HIGH 0 #define SBSA_WATCHDOG_SECURE EFI_ACPI_6_1_GTDT_SBSA_GENERIC_WATCHDOG_FLAG_SECURE_TIMER #define SBSA_WATCHDOG_NON_SECURE 0 #define FVP_SBSA_WATCHDOG_FLAGS (SBSA_WATCHDOG_NON_SECURE | SBSA_WATCHDOG_ACTIVE_HIGH | SBSA_WATCHDOG_LEVEL_TRIGGERED) #pragma pack (1) typedef struct { EFI_ACPI_6_1_GENERIC_TIMER_DESCRIPTION_TABLE Gtdt; EFI_ACPI_6_1_GTDT_GT_BLOCK_STRUCTURE GtBlock; EFI_ACPI_6_1_GTDT_GT_BLOCK_TIMER_STRUCTURE Frames[FVP_TIMER_FRAMES_COUNT]; EFI_ACPI_6_1_GTDT_SBSA_GENERIC_WATCHDOG_STRUCTURE Watchdogs[FVP_WATCHDOG_COUNT]; } FVP_GENERIC_TIMER_DESCRIPTION_TABLES; #pragma pack () FVP_GENERIC_TIMER_DESCRIPTION_TABLES Gtdt = { { ARM_ACPI_HEADER( EFI_ACPI_6_1_GENERIC_TIMER_DESCRIPTION_TABLE_SIGNATURE, FVP_GENERIC_TIMER_DESCRIPTION_TABLES, EFI_ACPI_6_1_GENERIC_TIMER_DESCRIPTION_TABLE_REVISION ), FVP_SYSTEM_TIMER_BASE_ADDRESS, // UINT64 PhysicalAddress EFI_ACPI_RESERVED_DWORD, // UINT32 Reserved FVP_SECURE_TIMER_EL1_GSIV, // UINT32 SecurePL1TimerGSIV FVP_GTDT_GTIMER_FLAGS, // UINT32 SecurePL1TimerFlags FVP_NON_SECURE_TIMER_EL1_GSIV, // UINT32 NonSecurePL1TimerGSIV FVP_GTDT_GTIMER_FLAGS, // UINT32 NonSecurePL1TimerFlags FVP_VIRTUAL_TIMER_GSIV, // UINT32 VirtualTimerGSIV FVP_GTDT_GTIMER_FLAGS, // UINT32 VirtualTimerFlags FVP_NON_SECURE_EL2_GSIV, // UINT32 NonSecurePL2TimerGSIV FVP_GTDT_GTIMER_FLAGS, // UINT32 NonSecurePL2TimerFlags FVP_CNT_READ_BASE_ADDRESS, // UINT64 CntReadBasePhysicalAddress FVP_PLATFORM_TIMER_COUNT, // UINT32 PlatformTimerCount sizeof (EFI_ACPI_6_1_GENERIC_TIMER_DESCRIPTION_TABLE) // UINT32 PlatfromTimerOffset }, { EFI_ACPI_6_1_GTDT_GT_BLOCK, // UINT8 Type sizeof(EFI_ACPI_6_1_GTDT_GT_BLOCK_STRUCTURE) // UINT16 Length + sizeof(EFI_ACPI_6_1_GTDT_GT_BLOCK_TIMER_STRUCTURE) * FVP_TIMER_FRAMES_COUNT, EFI_ACPI_RESERVED_BYTE, // UINT8 Reserved FVP_GT_BLOCK_CTL_BASE, // UINT64 CntCtlBase FVP_TIMER_FRAMES_COUNT, // UINT32 GTBlockTimerCount sizeof(EFI_ACPI_6_1_GTDT_GT_BLOCK_STRUCTURE) // UINT32 GTBlockTimerOffset }, { { 0, // UINT8 GTFrameNumber {EFI_ACPI_RESERVED_BYTE, EFI_ACPI_RESERVED_BYTE, EFI_ACPI_RESERVED_BYTE}, // UINT8 Reserved[3] FVP_GT_BLOCK_FRAME0_CTL_BASE, // UINT64 CntBaseX FVP_GT_BLOCK_FRAME0_CTL_EL0_BASE, // UINT64 CntEL0BaseX FVP_GT_BLOCK_FRAME0_GSIV, // UINT32 GTxPhysicalTimerGSIV FVP_GTX_TIMER_FLAGS, // UINT32 GTxPhysicalTimerFlags 0, // UINT32 GTxVirtualTimerGSIV 0, // UINT32 GTxVirtualTimerFlags FVP_GTX_COMMON_FLAGS // UINT32 GTxCommonFlags }, { 1, // UINT8 GTFrameNumber {EFI_ACPI_RESERVED_BYTE, EFI_ACPI_RESERVED_BYTE, EFI_ACPI_RESERVED_BYTE}, // UINT8 Reserved[3] FVP_GT_BLOCK_FRAME1_CTL_BASE, // UINT64 CntBaseX FVP_GT_BLOCK_FRAME1_CTL_EL0_BASE, // UINT64 CntEL0BaseX FVP_GT_BLOCK_FRAME1_GSIV, // UINT32 GTxPhysicalTimerGSIV FVP_GTX_TIMER_FLAGS, // UINT32 GTxPhysicalTimerFlags 0, // UINT32 GTxVirtualTimerGSIV 0, // UINT32 GTxVirtualTimerFlags FVP_GTX_COMMON_FLAGS // UINT32 GTxCommonFlags } }, { { EFI_ACPI_6_1_GTDT_SBSA_GENERIC_WATCHDOG, // UINT8 Type sizeof(EFI_ACPI_6_1_GTDT_SBSA_GENERIC_WATCHDOG_STRUCTURE), // UINT16 Length EFI_ACPI_RESERVED_BYTE, // UINT8 Reserved FVP_SBSA_WATCHDOG_REFRESH_BASE, // UINT64 RefreshFramePhysicalAddress FVP_SBSA_WATCHDOG_CONTROL_BASE, // UINT64 WatchdogControlFramePhysicalAddress FVP_SBSA_WATCHDOG_GSIV, // UINT32 WatchdogTimerGSIV FVP_SBSA_WATCHDOG_FLAGS // UINT32 WatchdogTimerFlags } } }; // // Reference the table being generated to prevent the optimizer from removing the // data structure from the executable // VOID* CONST ReferenceAcpiTable = &Gtdt;