mirror of https://github.com/acidanthera/audk.git
93 lines
2.8 KiB
C
93 lines
2.8 KiB
C
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/** @file
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*
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* Copyright (c) 2011, ARM Limited. All rights reserved.
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*
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* This program and the accompanying materials
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* are licensed and made available under the terms and conditions of the BSD License
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* which accompanies this distribution. The full text of the license may be found at
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* http://opensource.org/licenses/bsd-license.php
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*
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* THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
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* WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
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*
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**/
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#ifndef __SP805_WATCHDOG_H__
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#define __SP805_WATCHDOG_H__
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#include <Base.h>
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#include <ArmPlatform.h>
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// SP805 Watchdog Registers
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#define SP805_WDOG_LOAD_REG (SP805_WDOG_BASE + 0x000)
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#define SP805_WDOG_CURRENT_REG (SP805_WDOG_BASE + 0x004)
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#define SP805_WDOG_CONTROL_REG (SP805_WDOG_BASE + 0x008)
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#define SP805_WDOG_INT_CLR_REG (SP805_WDOG_BASE + 0x00C)
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#define SP805_WDOG_RAW_INT_STS_REG (SP805_WDOG_BASE + 0x010)
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#define SP805_WDOG_MSK_INT_STS_REG (SP805_WDOG_BASE + 0x014)
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#define SP805_WDOG_LOCK_REG (SP805_WDOG_BASE + 0xC00)
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#define SP805_WDOG_PERIPH_ID0 (SP805_WDOG_BASE + 0xFE0)
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#define SP805_WDOG_PERIPH_ID1 (SP805_WDOG_BASE + 0xFE4)
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#define SP805_WDOG_PERIPH_ID2 (SP805_WDOG_BASE + 0xFE8)
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#define SP805_WDOG_PERIPH_ID3 (SP805_WDOG_BASE + 0xFEC)
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#define SP805_WDOG_PCELL_ID0 (SP805_WDOG_BASE + 0xFF0)
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#define SP805_WDOG_PCELL_ID1 (SP805_WDOG_BASE + 0xFF4)
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#define SP805_WDOG_PCELL_ID2 (SP805_WDOG_BASE + 0xFF8)
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#define SP805_WDOG_PCELL_ID3 (SP805_WDOG_BASE + 0xFFC)
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// Timer control register bit definitions
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#define SP805_WDOG_CTRL_INTEN BIT0
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#define SP805_WDOG_CTRL_RESEN BIT1
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#define SP805_WDOG_RAW_INT_STS_WDOGRIS BIT0
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#define SP805_WDOG_MSK_INT_STS_WDOGMIS BIT0
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#define SP805_WDOG_LOCK_IS_UNLOCKED 0x00000000
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#define SP805_WDOG_LOCK_IS_LOCKED 0x00000001
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#define SP805_WDOG_SPECIAL_UNLOCK_CODE 0x1ACCE551
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VOID
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EFIAPI
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ExitBootServicesEvent (
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IN EFI_EVENT Event,
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IN VOID *Context
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);
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EFI_STATUS
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EFIAPI
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SP805SetTimerPeriod (
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IN CONST EFI_WATCHDOG_TIMER_ARCH_PROTOCOL *This,
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IN UINT64 TimerPeriod // In 100ns units
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);
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EFI_STATUS
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EFIAPI
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SP805GetTimerPeriod (
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IN CONST EFI_WATCHDOG_TIMER_ARCH_PROTOCOL *This,
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OUT UINT64 *TimerPeriod
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);
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EFI_STATUS
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EFIAPI
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SP805RegisterHandler (
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IN CONST EFI_WATCHDOG_TIMER_ARCH_PROTOCOL *This,
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IN EFI_WATCHDOG_TIMER_NOTIFY NotifyFunction
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);
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EFI_STATUS
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SP805Initialize (
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VOID
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);
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EFI_STATUS
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EFIAPI
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SP805InstallProtocol (
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IN EFI_HANDLE ImageHandle,
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IN EFI_SYSTEM_TABLE *SystemTable
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);
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#endif // __SP805_WATCHDOG_H__
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