diff options
Diffstat (limited to 'drivers/watchdog/at91sam9_wdt.h')
| -rw-r--r-- | drivers/watchdog/at91sam9_wdt.h | 37 |
1 files changed, 37 insertions, 0 deletions
diff --git a/drivers/watchdog/at91sam9_wdt.h b/drivers/watchdog/at91sam9_wdt.h new file mode 100644 index 00000000..c6fbb2e6 --- /dev/null +++ b/drivers/watchdog/at91sam9_wdt.h @@ -0,0 +1,37 @@ +/* + * drivers/watchdog/at91sam9_wdt.h + * + * Copyright (C) 2007 Andrew Victor + * Copyright (C) 2007 Atmel Corporation. + * + * Watchdog Timer (WDT) - System peripherals regsters. + * Based on AT91SAM9261 datasheet revision D. + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + */ + +#ifndef AT91_WDT_H +#define AT91_WDT_H + +#define AT91_WDT_CR 0x00 /* Watchdog Control Register */ +#define AT91_WDT_WDRSTT (1 << 0) /* Restart */ +#define AT91_WDT_KEY (0xa5 << 24) /* KEY Password */ + +#define AT91_WDT_MR 0x04 /* Watchdog Mode Register */ +#define AT91_WDT_WDV (0xfff << 0) /* Counter Value */ +#define AT91_WDT_WDFIEN (1 << 12) /* Fault Interrupt Enable */ +#define AT91_WDT_WDRSTEN (1 << 13) /* Reset Processor */ +#define AT91_WDT_WDRPROC (1 << 14) /* Timer Restart */ +#define AT91_WDT_WDDIS (1 << 15) /* Watchdog Disable */ +#define AT91_WDT_WDD (0xfff << 16) /* Delta Value */ +#define AT91_WDT_WDDBGHLT (1 << 28) /* Debug Halt */ +#define AT91_WDT_WDIDLEHLT (1 << 29) /* Idle Halt */ + +#define AT91_WDT_SR 0x08 /* Watchdog Status Register */ +#define AT91_WDT_WDUNF (1 << 0) /* Watchdog Underflow */ +#define AT91_WDT_WDERR (1 << 1) /* Watchdog Error */ + +#endif |