include/hw/watchdog/wdt_aspeed.h

   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/sysbus.h"
  14
  15 #define TYPE_ASPEED_WDT "aspeed.wdt"
  16 #define ASPEED_WDT(obj) \
  17     OBJECT_CHECK(AspeedWDTState, (obj), TYPE_ASPEED_WDT)
  18
  19 #define ASPEED_WDT_REGS_MAX        (0x20 / 4)
  20
  21 typedef struct AspeedWDTState {
  22     /*< private >*/
  23     SysBusDevice parent_obj;
  24     QEMUTimer *timer;
  25
  26     /*< public >*/
  27     MemoryRegion iomem;
  28     uint32_t regs[ASPEED_WDT_REGS_MAX];
  29
  30     uint32_t pclk_freq;
  31     uint32_t silicon_rev;
  32     uint32_t ext_pulse_width_mask;
  33 } AspeedWDTState;
  34
  35 #endif /* WDT_ASPEED_H */