1*4882a593Smuzhiyun /* 2*4882a593Smuzhiyun * [origin: Linux kernel arch/arm/mach-at91/include/mach/at91_wdt.h] 3*4882a593Smuzhiyun * 4*4882a593Smuzhiyun * Copyright (C) 2008 Jean-Christophe PLAGNIOL-VILLARD <plagnioj@jcrosoft.com> 5*4882a593Smuzhiyun * Copyright (C) 2007 Andrew Victor 6*4882a593Smuzhiyun * Copyright (C) 2007 Atmel Corporation. 7*4882a593Smuzhiyun * 8*4882a593Smuzhiyun * Watchdog Timer (WDT) - System peripherals regsters. 9*4882a593Smuzhiyun * Based on AT91SAM9261 datasheet revision D. 10*4882a593Smuzhiyun * 11*4882a593Smuzhiyun * SPDX-License-Identifier: GPL-2.0+ 12*4882a593Smuzhiyun */ 13*4882a593Smuzhiyun 14*4882a593Smuzhiyun #ifndef AT91_WDT_H 15*4882a593Smuzhiyun #define AT91_WDT_H 16*4882a593Smuzhiyun 17*4882a593Smuzhiyun #ifdef __ASSEMBLY__ 18*4882a593Smuzhiyun 19*4882a593Smuzhiyun #define AT91_ASM_WDT_MR (ATMEL_BASE_WDT + 0x04) 20*4882a593Smuzhiyun 21*4882a593Smuzhiyun #else 22*4882a593Smuzhiyun 23*4882a593Smuzhiyun typedef struct at91_wdt { 24*4882a593Smuzhiyun u32 cr; 25*4882a593Smuzhiyun u32 mr; 26*4882a593Smuzhiyun u32 sr; 27*4882a593Smuzhiyun } at91_wdt_t; 28*4882a593Smuzhiyun 29*4882a593Smuzhiyun #endif 30*4882a593Smuzhiyun 31*4882a593Smuzhiyun #define AT91_WDT_CR_WDRSTT 1 32*4882a593Smuzhiyun #define AT91_WDT_CR_KEY 0xa5000000 /* KEY Password */ 33*4882a593Smuzhiyun 34*4882a593Smuzhiyun #define AT91_WDT_MR_WDV(x) (x & 0xfff) 35*4882a593Smuzhiyun #define AT91_WDT_MR_WDFIEN 0x00001000 36*4882a593Smuzhiyun #define AT91_WDT_MR_WDRSTEN 0x00002000 37*4882a593Smuzhiyun #define AT91_WDT_MR_WDRPROC 0x00004000 38*4882a593Smuzhiyun #define AT91_WDT_MR_WDDIS 0x00008000 39*4882a593Smuzhiyun #define AT91_WDT_MR_WDD(x) ((x & 0xfff) << 16) 40*4882a593Smuzhiyun #define AT91_WDT_MR_WDDBGHLT 0x10000000 41*4882a593Smuzhiyun #define AT91_WDT_MR_WDIDLEHLT 0x20000000 42*4882a593Smuzhiyun 43*4882a593Smuzhiyun #endif 44