1 /* 2 * ASPEED Watchdog Controller 3 * 4 * Copyright (C) 2016-2017 IBM Corp. 5 * 6 * This code is licensed under the GPL version 2 or later. See the 7 * COPYING file in the top-level directory. 8 */ 9 10 #ifndef WDT_ASPEED_H 11 #define WDT_ASPEED_H 12 13 #include "hw/misc/aspeed_scu.h" 14 #include "hw/sysbus.h" 15 16 #define TYPE_ASPEED_WDT "aspeed.wdt" 17 #define ASPEED_WDT(obj) \ 18 OBJECT_CHECK(AspeedWDTState, (obj), TYPE_ASPEED_WDT) 19 20 #define ASPEED_WDT_REGS_MAX (0x20 / 4) 21 22 typedef struct AspeedWDTState { 23 /*< private >*/ 24 SysBusDevice parent_obj; 25 QEMUTimer *timer; 26 27 /*< public >*/ 28 MemoryRegion iomem; 29 uint32_t regs[ASPEED_WDT_REGS_MAX]; 30 31 AspeedSCUState *scu; 32 uint32_t pclk_freq; 33 uint32_t silicon_rev; 34 uint32_t ext_pulse_width_mask; 35 } AspeedWDTState; 36 37 #endif /* WDT_ASPEED_H */ 38