LXR qemu/include/hw/timer/arm

   1/*
   2 * Private peripheral timer/watchdog blocks for ARM 11MPCore and A9MP
   3 *
   4 * Copyright (c) 2006-2007 CodeSourcery.
   5 * Copyright (c) 2011 Linaro Limited
   6 * Written by Paul Brook, Peter Maydell
   7 *
   8 * This program is free software; you can redistribute it and/or
   9 * modify it under the terms of the GNU General Public License
  10 * as published by the Free Software Foundation; either version
  11 * 2 of the License, or (at your option) any later version.
  12 *
  13 * This program is distributed in the hope that it will be useful,
  14 * but WITHOUT ANY WARRANTY; without even the implied warranty of
  15 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  16 * GNU General Public License for more details.
  17 *
  18 * You should have received a copy of the GNU General Public License along
  19 * with this program; if not, see <http://www.gnu.org/licenses/>.
  20 */
  21#ifndef HW_TIMER_ARM_MPTIMER_H
  22#define HW_TIMER_ARM_MPTIMER_H
  23
  24#include "hw/sysbus.h"
  25
  26#define ARM_MPTIMER_MAX_CPUS 4
  27
  28/* State of a single timer or watchdog block */
  29typedef struct {
  30    uint32_t count;
  31    uint32_t load;
  32    uint32_t control;
  33    uint32_t status;
  34    int64_t tick;
  35    QEMUTimer *timer;
  36    qemu_irq irq;
  37    MemoryRegion iomem;
  38} TimerBlock;
  39
  40#define TYPE_ARM_MPTIMER "arm_mptimer"
  41#define ARM_MPTIMER(obj) \
  42    OBJECT_CHECK(ARMMPTimerState, (obj), TYPE_ARM_MPTIMER)
  43
  44typedef struct {
  45    /*< private >*/
  46    SysBusDevice parent_obj;
  47    /*< public >*/
  48
  49    uint32_t num_cpu;
  50    TimerBlock timerblock[ARM_MPTIMER_MAX_CPUS];
  51    MemoryRegion iomem;
  52} ARMMPTimerState;
  53
  54#endif
  55