include/hw/timer/stm32f2xx_timer.h

   1 /*
   2  * STM32F2XX Timer
   3  *
   4  * Copyright (c) 2014 Alistair Francis <alistair@alistair23.me>
   5  *
   6  * Permission is hereby granted, free of charge, to any person obtaining a copy
   7  * of this software and associated documentation files (the "Software"), to deal
   8  * in the Software without restriction, including without limitation the rights
   9  * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
  10  * copies of the Software, and to permit persons to whom the Software is
  11  * furnished to do so, subject to the following conditions:
  12  *
  13  * The above copyright notice and this permission notice shall be included in
  14  * all copies or substantial portions of the Software.
  15  *
  16  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
  17  * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
  18  * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
  19  * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
  20  * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
  21  * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
  22  * THE SOFTWARE.
  23  */
  24
  25 #ifndef HW_STM32F2XX_TIMER_H
  26 #define HW_STM32F2XX_TIMER_H
  27
  28 #include "hw/sysbus.h"
  29 #include "qemu/timer.h"
  30 #include "sysemu/sysemu.h"
  31
  32 #define TIM_CR1      0x00
  33 #define TIM_CR2      0x04
  34 #define TIM_SMCR     0x08
  35 #define TIM_DIER     0x0C
  36 #define TIM_SR       0x10
  37 #define TIM_EGR      0x14
  38 #define TIM_CCMR1    0x18
  39 #define TIM_CCMR2    0x1C
  40 #define TIM_CCER     0x20
  41 #define TIM_CNT      0x24
  42 #define TIM_PSC      0x28
  43 #define TIM_ARR      0x2C
  44 #define TIM_CCR1     0x34
  45 #define TIM_CCR2     0x38
  46 #define TIM_CCR3     0x3C
  47 #define TIM_CCR4     0x40
  48 #define TIM_DCR      0x48
  49 #define TIM_DMAR     0x4C
  50 #define TIM_OR       0x50
  51
  52 #define TIM_CR1_CEN   1
  53
  54 #define TIM_EGR_UG 1
  55
  56 #define TIM_CCER_CC2E   (1 << 4)
  57 #define TIM_CCMR1_OC2M2 (1 << 14)
  58 #define TIM_CCMR1_OC2M1 (1 << 13)
  59 #define TIM_CCMR1_OC2M0 (1 << 12)
  60 #define TIM_CCMR1_OC2PE (1 << 11)
  61
  62 #define TIM_DIER_UIE  1
  63
  64 #define TYPE_STM32F2XX_TIMER "stm32f2xx-timer"
  65 #define STM32F2XXTIMER(obj) OBJECT_CHECK(STM32F2XXTimerState, \
  66                             (obj), TYPE_STM32F2XX_TIMER)
  67
  68 typedef struct STM32F2XXTimerState {
  69     /* <private> */
  70     SysBusDevice parent_obj;
  71
  72     /* <public> */
  73     MemoryRegion iomem;
  74     QEMUTimer *timer;
  75     qemu_irq irq;
  76
  77     int64_t tick_offset;
  78     uint64_t hit_time;
  79     uint64_t freq_hz;
  80
  81     uint32_t tim_cr1;
  82     uint32_t tim_cr2;
  83     uint32_t tim_smcr;
  84     uint32_t tim_dier;
  85     uint32_t tim_sr;
  86     uint32_t tim_egr;
  87     uint32_t tim_ccmr1;
  88     uint32_t tim_ccmr2;
  89     uint32_t tim_ccer;
  90     uint32_t tim_psc;
  91     uint32_t tim_arr;
  92     uint32_t tim_ccr1;
  93     uint32_t tim_ccr2;
  94     uint32_t tim_ccr3;
  95     uint32_t tim_ccr4;
  96     uint32_t tim_dcr;
  97     uint32_t tim_dmar;
  98     uint32_t tim_or;
  99 } STM32F2XXTimerState;
 100
 101 #endif /* HW_STM32F2XX_TIMER_H */