include/hw/timer/arm_mptimer.h

   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 */
  29 typedef 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
  44 typedef 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