1/* 2 * [origin: Linux kernel arch/arm/mach-at91/include/mach/at91_wdt.h] 3 * 4 * Copyright (C) 2008 Jean-Christophe PLAGNIOL-VILLARD <plagnioj@jcrosoft.com> 5 * Copyright (C) 2007 Andrew Victor 6 * Copyright (C) 2007 Atmel Corporation. 7 * 8 * Watchdog Timer (WDT) - System peripherals regsters. 9 * Based on AT91SAM9261 datasheet revision D. 10 * 11 * SPDX-License-Identifier: GPL-2.0+ 12 */ 13 14#ifndef AT91_WDT_H 15#define AT91_WDT_H 16 17#ifdef __ASSEMBLY__ 18 19#define AT91_ASM_WDT_MR (ATMEL_BASE_WDT + 0x04) 20 21#else 22 23typedef struct at91_wdt { 24 u32 cr; 25 u32 mr; 26 u32 sr; 27} at91_wdt_t; 28 29#endif 30 31#define AT91_WDT_CR_WDRSTT 1 32#define AT91_WDT_CR_KEY 0xa5000000 /* KEY Password */ 33 34#define AT91_WDT_MR_WDV(x) (x & 0xfff) 35#define AT91_WDT_MR_WDFIEN 0x00001000 36#define AT91_WDT_MR_WDRSTEN 0x00002000 37#define AT91_WDT_MR_WDRPROC 0x00004000 38#define AT91_WDT_MR_WDDIS 0x00008000 39#define AT91_WDT_MR_WDD(x) ((x & 0xfff) << 16) 40#define AT91_WDT_MR_WDDBGHLT 0x10000000 41#define AT91_WDT_MR_WDIDLEHLT 0x20000000 42 43#endif 44