LXR qemu/include/hw/timer/cmsdk-apb-timer.h

   1/*
   2 * ARM CMSDK APB timer emulation
   3 *
   4 * Copyright (c) 2017 Linaro Limited
   5 * Written by Peter Maydell
   6 *
   7 *  This program is free software; you can redistribute it and/or modify
   8 *  it under the terms of the GNU General Public License version 2 or
   9 *  (at your option) any later version.
  10 */
  11
  12#ifndef CMSDK_APB_TIMER_H
  13#define CMSDK_APB_TIMER_H
  14
  15#include "hw/qdev-properties.h"
  16#include "hw/sysbus.h"
  17#include "hw/ptimer.h"
  18#include "hw/clock.h"
  19#include "qom/object.h"
  20
  21#define TYPE_CMSDK_APB_TIMER "cmsdk-apb-timer"
  22OBJECT_DECLARE_SIMPLE_TYPE(CMSDKAPBTimer, CMSDK_APB_TIMER)
  23
  24/*
  25 * QEMU interface:
  26 *  + Clock input "pclk": clock for the timer
  27 *  + sysbus MMIO region 0: the register bank
  28 *  + sysbus IRQ 0: timer interrupt TIMERINT
  29 */
  30struct CMSDKAPBTimer {
  31    /*< private >*/
  32    SysBusDevice parent_obj;
  33
  34    /*< public >*/
  35    MemoryRegion iomem;
  36    qemu_irq timerint;
  37    struct ptimer_state *timer;
  38    Clock *pclk;
  39
  40    uint32_t ctrl;
  41    uint32_t value;
  42    uint32_t reload;
  43    uint32_t intstatus;
  44};
  45
  46#endif
  47