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 #ifndef ASPEED_WDT_H
  10 #define ASPEED_WDT_H
  11
  12 #include "hw/sysbus.h"
  13
  14 #define TYPE_ASPEED_WDT "aspeed.wdt"
  15 #define ASPEED_WDT(obj) \
  16     OBJECT_CHECK(AspeedWDTState, (obj), TYPE_ASPEED_WDT)
  17
  18 #define ASPEED_WDT_REGS_MAX        (0x20 / 4)
  19
  20 typedef struct AspeedWDTState {
  21     /*< private >*/
  22     SysBusDevice parent_obj;
  23     QEMUTimer *timer;
  24
  25     /*< public >*/
  26     MemoryRegion iomem;
  27     uint32_t regs[ASPEED_WDT_REGS_MAX];
  28
  29     uint32_t pclk_freq;
  30     uint32_t silicon_rev;
  31     uint32_t ext_pulse_width_mask;
  32 } AspeedWDTState;
  33
  34 #endif  /* ASPEED_WDT_H */