| /* |
| * [origin: Linux kernel arch/arm/mach-at91/include/mach/at91_wdt.h] |
| * |
| * Copyright (C) 2008 Jean-Christophe PLAGNIOL-VILLARD <plagnioj@jcrosoft.com> |
| * 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 |
| |
| #ifdef __ASSEMBLY__ |
| |
| #define AT91_ASM_WDT_MR (ATMEL_BASE_WDT + 0x04) |
| |
| #else |
| |
| typedef struct at91_wdt { |
| u32 cr; |
| u32 mr; |
| u32 sr; |
| } at91_wdt_t; |
| |
| #endif |
| |
| #define AT91_WDT_CR_WDRSTT 1 |
| #define AT91_WDT_CR_KEY 0xa5000000 /* KEY Password */ |
| |
| #define AT91_WDT_MR_WDV(x) (x & 0xfff) |
| #define AT91_WDT_MR_WDFIEN 0x00001000 |
| #define AT91_WDT_MR_WDRSTEN 0x00002000 |
| #define AT91_WDT_MR_WDRPROC 0x00004000 |
| #define AT91_WDT_MR_WDDIS 0x00008000 |
| #define AT91_WDT_MR_WDD(x) ((x & 0xfff) << 16) |
| #define AT91_WDT_MR_WDDBGHLT 0x10000000 |
| #define AT91_WDT_MR_WDIDLEHLT 0x20000000 |
| |
| #ifdef CONFIG_AT91_LEGACY |
| |
| #define AT91_WDT_CR (AT91_WDT + 0x00) /* Watchdog Control Register */ |
| #define AT91_WDT_WDRSTT (1 << 0) /* Restart */ |
| #define AT91_WDT_KEY (0xa5 << 24) /* KEY Password */ |
| |
| #define AT91_WDT_MR (AT91_WDT + 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 (AT91_WDT + 0x08) /* Watchdog Status Register */ |
| #define AT91_WDT_WDUNF (1 << 0) /* Watchdog Underflow */ |
| #define AT91_WDT_WDERR (1 << 1) /* Watchdog Error */ |
| |
| #endif /* CONFIG_AT91_LEGACY */ |
| #endif |
