2 * [origin: Linux kernel arch/arm/mach-at91/include/mach/at91_wdt.h]
4 * Copyright (C) 2008 Jean-Christophe PLAGNIOL-VILLARD <plagnioj@jcrosoft.com>
5 * Copyright (C) 2007 Andrew Victor
6 * Copyright (C) 2007 Atmel Corporation.
8 * Watchdog Timer (WDT) - System peripherals regsters.
9 * Based on AT91SAM9261 datasheet revision D.
11 * SPDX-License-Identifier: GPL-2.0+
19 #define AT91_ASM_WDT_MR (ATMEL_BASE_WDT + 0x04)
23 typedef struct at91_wdt {
31 #define AT91_WDT_CR_WDRSTT 1
32 #define AT91_WDT_CR_KEY 0xa5000000 /* KEY Password */
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