1 /* SPDX-License-Identifier: GPL-2.0+ */ 2 /* 3 * (C) Copyright 2014 4 * Chen-Yu Tsai <wens (at) csie.org> 5 * 6 * Watchdog register definitions 7 */ 8 9 #ifndef _SUNXI_WATCHDOG_H_ 10 #define _SUNXI_WATCHDOG_H_ 11 12 #define WDT_CTRL_RESTART (0x1 << 0) 13 #define WDT_CTRL_KEY (0x0a57 << 1) 14 15 #if defined(CONFIG_MACH_SUN4I) || \ 16 defined(CONFIG_MACH_SUN5I) || \ 17 defined(CONFIG_MACH_SUN7I) || \ 18 defined(CONFIG_MACH_SUN8I_R40) 19 20 #define WDT_MODE_EN (0x1 << 0) 21 #define WDT_MODE_RESET_EN (0x1 << 1) 22 23 struct sunxi_wdog { 24 u32 ctl; /* 0x00 */ 25 u32 mode; /* 0x04 */ 26 u32 res[2]; 27 }; 28 29 #else 30 31 #define WDT_CFG_RESET (0x1) 32 #define WDT_MODE_EN (0x1) 33 34 struct sunxi_wdog { 35 u32 irq_en; /* 0x00 */ 36 u32 irq_sta; /* 0x04 */ 37 u32 res1[2]; 38 u32 ctl; /* 0x10 */ 39 u32 cfg; /* 0x14 */ 40 u32 mode; /* 0x18 */ 41 u32 res2; 42 }; 43 44 #endif 45 46 #endif /* _SUNXI_WATCHDOG_H_ */ 47
