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/** @file
* Generic Timer Description Table (GTDT)
*
* Copyright (c) 2012 - 2017, 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 <Library/AcpiLib.h>
#include <Library/PcdLib.h>
#include <IndustryStandard/Acpi61.h>
#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_WATCHDOG_COUNT FixedPcdGet32 (PcdWatchdogCount)
#define FVP_PLATFORM_TIMER_COUNT (FVP_WATCHDOG_COUNT + 1)
#define FVP_TIMER_FRAMES_COUNT 2
#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];
#if (FVP_WATCHDOG_COUNT != 0)
EFI_ACPI_6_1_GTDT_SBSA_GENERIC_WATCHDOG_STRUCTURE Watchdogs[FVP_WATCHDOG_COUNT];
#endif
} 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
#if (FVP_WATCHDOG_COUNT != 0)
sizeof (EFI_ACPI_6_1_GENERIC_TIMER_DESCRIPTION_TABLE) // UINT32 PlatfromTimerOffset
#else
0
#endif
},
{
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
}
},
#if (FVP_WATCHDOG_COUNT != 0)
{
{
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
}
}
#endif
};
//
// 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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