1 /* 2 * arch/arm/mach-at91/include/mach/at91_wdt.h 3 * 4 * Copyright (C) 2007 Andrew Victor 5 * Copyright (C) 2007 Atmel Corporation. 6 * 7 * Watchdog Timer (WDT) - System peripherals regsters. 8 * Based on AT91SAM9261 datasheet revision D. 9 * 10 * This program is free software; you can redistribute it and/or modify 11 * it under the terms of the GNU General Public License as published by 12 * the Free Software Foundation; either version 2 of the License, or 13 * (at your option) any later version. 14 */ 15 16 #ifndef AT91_WDT_H 17 #define AT91_WDT_H 18 19 #define AT91_WDT_CR (AT91_WDT + 0x00) /* Watchdog Control Register */ 20 #define AT91_WDT_WDRSTT (1 << 0) /* Restart */ 21 #define AT91_WDT_KEY (0xa5 << 24) /* KEY Password */ 22 23 #define AT91_WDT_MR (AT91_WDT + 0x04) /* Watchdog Mode Register */ 24 #define AT91_WDT_WDV (0xfff << 0) /* Counter Value */ 25 #define AT91_WDT_WDFIEN (1 << 12) /* Fault Interrupt Enable */ 26 #define AT91_WDT_WDRSTEN (1 << 13) /* Reset Processor */ 27 #define AT91_WDT_WDRPROC (1 << 14) /* Timer Restart */ 28 #define AT91_WDT_WDDIS (1 << 15) /* Watchdog Disable */ 29 #define AT91_WDT_WDD (0xfff << 16) /* Delta Value */ 30 #define AT91_WDT_WDDBGHLT (1 << 28) /* Debug Halt */ 31 #define AT91_WDT_WDIDLEHLT (1 << 29) /* Idle Halt */ 32 33 #define AT91_WDT_SR (AT91_WDT + 0x08) /* Watchdog Status Register */ 34 #define AT91_WDT_WDUNF (1 << 0) /* Watchdog Underflow */ 35 #define AT91_WDT_WDERR (1 << 1) /* Watchdog Error */ 36 37 #endif 38