| /* |
| * Intel_SCU 0.2: An Intel SCU IOH Based Watchdog Device |
| * for Intel part #(s): |
| * - AF82MP20 PCH |
| * |
| * Copyright (C) 2009-2010 Intel Corporation. All rights reserved. |
| * |
| * This program is free software; you can redistribute it and/or |
| * modify it under the terms of version 2 of the GNU General |
| * Public License as published by the Free Software Foundation. |
| * |
| * This program is distributed in the hope that it will be |
| * useful, but WITHOUT ANY WARRANTY; without even the implied |
| * warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR |
| * PURPOSE. See the GNU General Public License for more details. |
| * You should have received a copy of the GNU General Public |
| * License along with this program; if not, write to the Free |
| * Software Foundation, Inc., 59 Temple Place - Suite 330, |
| * Boston, MA 02111-1307, USA. |
| * The full GNU General Public License is included in this |
| * distribution in the file called COPYING. |
| * |
| */ |
| |
| #ifndef __INTEL_SCU_WATCHDOG_H |
| #define __INTEL_SCU_WATCHDOG_H |
| |
| #define PFX "Intel_SCU: " |
| #define WDT_VER "0.3" |
| |
| /* minimum time between interrupts */ |
| #define MIN_TIME_CYCLE 1 |
| |
| /* Time from warning to reboot is 2 seconds */ |
| #define DEFAULT_SOFT_TO_HARD_MARGIN 2 |
| |
| #define MAX_TIME 170 |
| |
| #define DEFAULT_TIME 5 |
| |
| #define MAX_SOFT_TO_HARD_MARGIN (MAX_TIME-MIN_TIME_CYCLE) |
| |
| /* Ajustment to clock tick frequency to make timing come out right */ |
| #define FREQ_ADJUSTMENT 8 |
| |
| struct intel_scu_watchdog_dev { |
| ulong driver_open; |
| ulong driver_closed; |
| u32 timer_started; |
| u32 timer_set; |
| u32 threshold; |
| u32 soft_threshold; |
| u32 __iomem *timer_load_count_addr; |
| u32 __iomem *timer_current_value_addr; |
| u32 __iomem *timer_control_addr; |
| u32 __iomem *timer_clear_interrupt_addr; |
| u32 __iomem *timer_interrupt_status_addr; |
| struct sfi_timer_table_entry *timer_tbl_ptr; |
| struct notifier_block intel_scu_notifier; |
| struct miscdevice miscdev; |
| }; |
| |
| extern int sfi_mtimer_num; |
| |
| /* extern struct sfi_timer_table_entry *sfi_get_mtmr(int hint); */ |
| #endif /* __INTEL_SCU_WATCHDOG_H */ |
