1 /* SPDX-License-Identifier: GPL-2.0+ */
3 * [origin: Linux kernel arch/arm/mach-at91/include/mach/at91_wdt.h]
5 * Copyright (C) 2008 Jean-Christophe PLAGNIOL-VILLARD <plagnioj@jcrosoft.com>
6 * Copyright (C) 2007 Andrew Victor
7 * Copyright (C) 2007 Atmel Corporation.
9 * Watchdog Timer (WDT) - System peripherals regsters.
10 * Based on AT91SAM9261 datasheet revision D.
18 #define AT91_ASM_WDT_MR (ATMEL_BASE_WDT + 0x04)
22 typedef struct at91_wdt {
30 #define AT91_WDT_CR_WDRSTT 1
31 #define AT91_WDT_CR_KEY 0xa5000000 /* KEY Password */
33 #define AT91_WDT_MR_WDV(x) (x & 0xfff)
34 #define AT91_WDT_MR_WDFIEN 0x00001000
35 #define AT91_WDT_MR_WDRSTEN 0x00002000
36 #define AT91_WDT_MR_WDRPROC 0x00004000
37 #define AT91_WDT_MR_WDDIS 0x00008000
38 #define AT91_WDT_MR_WDD(x) ((x & 0xfff) << 16)
39 #define AT91_WDT_MR_WDDBGHLT 0x10000000
40 #define AT91_WDT_MR_WDIDLEHLT 0x20000000