1 /* 2 * (C) Copyright 2014 3 * Chen-Yu Tsai <wens@csie.org> 4 * 5 * Watchdog register definitions 6 * 7 * SPDX-License-Identifier: GPL-2.0+ 8 */ 9 10 #ifndef _SUNXI_WATCHDOG_H_ 11 #define _SUNXI_WATCHDOG_H_ 12 13 #define WDT_CTRL_RESTART (0x1 << 0) 14 #define WDT_CTRL_KEY (0x0a57 << 1) 15 16 #if defined(CONFIG_MACH_SUN4I) || defined(CONFIG_MACH_SUN5I) || defined(CONFIG_MACH_SUN7I) 17 18 #define WDT_MODE_EN (0x1 << 0) 19 #define WDT_MODE_RESET_EN (0x1 << 1) 20 21 struct sunxi_wdog { 22 u32 ctl; /* 0x00 */ 23 u32 mode; /* 0x04 */ 24 u32 res[2]; 25 }; 26 27 #else 28 29 #define WDT_CFG_RESET (0x1) 30 #define WDT_MODE_EN (0x1) 31 32 struct sunxi_wdog { 33 u32 irq_en; /* 0x00 */ 34 u32 irq_sta; /* 0x04 */ 35 u32 res1[2]; 36 u32 ctl; /* 0x10 */ 37 u32 cfg; /* 0x14 */ 38 u32 mode; /* 0x18 */ 39 u32 res2; 40 }; 41 42 #endif 43 44 #endif /* _SUNXI_WATCHDOG_H_ */ 45