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 31 #define TIM_CR1 0x00 32 #define TIM_CR2 0x04 33 #define TIM_SMCR 0x08 34 #define TIM_DIER 0x0C 35 #define TIM_SR 0x10 36 #define TIM_EGR 0x14 37 #define TIM_CCMR1 0x18 38 #define TIM_CCMR2 0x1C 39 #define TIM_CCER 0x20 40 #define TIM_CNT 0x24 41 #define TIM_PSC 0x28 42 #define TIM_ARR 0x2C 43 #define TIM_CCR1 0x34 44 #define TIM_CCR2 0x38 45 #define TIM_CCR3 0x3C 46 #define TIM_CCR4 0x40 47 #define TIM_DCR 0x48 48 #define TIM_DMAR 0x4C 49 #define TIM_OR 0x50 50 51 #define TIM_CR1_CEN 1 52 53 #define TIM_EGR_UG 1 54 55 #define TIM_CCER_CC2E (1 << 4) 56 #define TIM_CCMR1_OC2M2 (1 << 14) 57 #define TIM_CCMR1_OC2M1 (1 << 13) 58 #define TIM_CCMR1_OC2M0 (1 << 12) 59 #define TIM_CCMR1_OC2PE (1 << 11) 60 61 #define TIM_DIER_UIE 1 62 63 #define TYPE_STM32F2XX_TIMER "stm32f2xx-timer" 64 #define STM32F2XXTIMER(obj) OBJECT_CHECK(STM32F2XXTimerState, \ 65 (obj), TYPE_STM32F2XX_TIMER) 66 67 typedef struct STM32F2XXTimerState { 68 /* <private> */ 69 SysBusDevice parent_obj; 70 71 /* <public> */ 72 MemoryRegion iomem; 73 QEMUTimer *timer; 74 qemu_irq irq; 75 76 int64_t tick_offset; 77 uint64_t hit_time; 78 uint64_t freq_hz; 79 80 uint32_t tim_cr1; 81 uint32_t tim_cr2; 82 uint32_t tim_smcr; 83 uint32_t tim_dier; 84 uint32_t tim_sr; 85 uint32_t tim_egr; 86 uint32_t tim_ccmr1; 87 uint32_t tim_ccmr2; 88 uint32_t tim_ccer; 89 uint32_t tim_psc; 90 uint32_t tim_arr; 91 uint32_t tim_ccr1; 92 uint32_t tim_ccr2; 93 uint32_t tim_ccr3; 94 uint32_t tim_ccr4; 95 uint32_t tim_dcr; 96 uint32_t tim_dmar; 97 uint32_t tim_or; 98 } STM32F2XXTimerState; 99 100 #endif /* HW_STM32F2XX_TIMER_H */ 101