 be28470514
			
		
	
	
		be28470514
		
	
	
	
	
		
			
			This patch adds the stm32f2xx timers: TIM2, TIM3, TIM4 and TIM5 to QEMU. Signed-off-by: Alistair Francis <alistair@alistair23.me> Signed-off-by: Peter Crosthwaite <peter.crosthwaite@xilinx.com> Reviewed-by: Peter Crosthwaite <peter.crosthwaite@xilinx.com> Message-id: 155091a323390f8da3cca496e4c611c493e62a77.1424175342.git.alistair@alistair23.me Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
		
			
				
	
	
		
			102 lines
		
	
	
		
			2.8 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
			
		
		
	
	
			102 lines
		
	
	
		
			2.8 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
| /*
 | |
|  * STM32F2XX Timer
 | |
|  *
 | |
|  * Copyright (c) 2014 Alistair Francis <alistair@alistair23.me>
 | |
|  *
 | |
|  * Permission is hereby granted, free of charge, to any person obtaining a copy
 | |
|  * of this software and associated documentation files (the "Software"), to deal
 | |
|  * in the Software without restriction, including without limitation the rights
 | |
|  * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
 | |
|  * copies of the Software, and to permit persons to whom the Software is
 | |
|  * furnished to do so, subject to the following conditions:
 | |
|  *
 | |
|  * The above copyright notice and this permission notice shall be included in
 | |
|  * all copies or substantial portions of the Software.
 | |
|  *
 | |
|  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
 | |
|  * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
 | |
|  * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
 | |
|  * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
 | |
|  * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
 | |
|  * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
 | |
|  * THE SOFTWARE.
 | |
|  */
 | |
| 
 | |
| #ifndef HW_STM32F2XX_TIMER_H
 | |
| #define HW_STM32F2XX_TIMER_H
 | |
| 
 | |
| #include "hw/sysbus.h"
 | |
| #include "qemu/timer.h"
 | |
| #include "sysemu/sysemu.h"
 | |
| 
 | |
| #define TIM_CR1      0x00
 | |
| #define TIM_CR2      0x04
 | |
| #define TIM_SMCR     0x08
 | |
| #define TIM_DIER     0x0C
 | |
| #define TIM_SR       0x10
 | |
| #define TIM_EGR      0x14
 | |
| #define TIM_CCMR1    0x18
 | |
| #define TIM_CCMR2    0x1C
 | |
| #define TIM_CCER     0x20
 | |
| #define TIM_CNT      0x24
 | |
| #define TIM_PSC      0x28
 | |
| #define TIM_ARR      0x2C
 | |
| #define TIM_CCR1     0x34
 | |
| #define TIM_CCR2     0x38
 | |
| #define TIM_CCR3     0x3C
 | |
| #define TIM_CCR4     0x40
 | |
| #define TIM_DCR      0x48
 | |
| #define TIM_DMAR     0x4C
 | |
| #define TIM_OR       0x50
 | |
| 
 | |
| #define TIM_CR1_CEN   1
 | |
| 
 | |
| #define TIM_EGR_UG 1
 | |
| 
 | |
| #define TIM_CCER_CC2E   (1 << 4)
 | |
| #define TIM_CCMR1_OC2M2 (1 << 14)
 | |
| #define TIM_CCMR1_OC2M1 (1 << 13)
 | |
| #define TIM_CCMR1_OC2M0 (1 << 12)
 | |
| #define TIM_CCMR1_OC2PE (1 << 11)
 | |
| 
 | |
| #define TIM_DIER_UIE  1
 | |
| 
 | |
| #define TYPE_STM32F2XX_TIMER "stm32f2xx-timer"
 | |
| #define STM32F2XXTIMER(obj) OBJECT_CHECK(STM32F2XXTimerState, \
 | |
|                             (obj), TYPE_STM32F2XX_TIMER)
 | |
| 
 | |
| typedef struct STM32F2XXTimerState {
 | |
|     /* <private> */
 | |
|     SysBusDevice parent_obj;
 | |
| 
 | |
|     /* <public> */
 | |
|     MemoryRegion iomem;
 | |
|     QEMUTimer *timer;
 | |
|     qemu_irq irq;
 | |
| 
 | |
|     int64_t tick_offset;
 | |
|     uint64_t hit_time;
 | |
|     uint64_t freq_hz;
 | |
| 
 | |
|     uint32_t tim_cr1;
 | |
|     uint32_t tim_cr2;
 | |
|     uint32_t tim_smcr;
 | |
|     uint32_t tim_dier;
 | |
|     uint32_t tim_sr;
 | |
|     uint32_t tim_egr;
 | |
|     uint32_t tim_ccmr1;
 | |
|     uint32_t tim_ccmr2;
 | |
|     uint32_t tim_ccer;
 | |
|     uint32_t tim_psc;
 | |
|     uint32_t tim_arr;
 | |
|     uint32_t tim_ccr1;
 | |
|     uint32_t tim_ccr2;
 | |
|     uint32_t tim_ccr3;
 | |
|     uint32_t tim_ccr4;
 | |
|     uint32_t tim_dcr;
 | |
|     uint32_t tim_dmar;
 | |
|     uint32_t tim_or;
 | |
| } STM32F2XXTimerState;
 | |
| 
 | |
| #endif /* HW_STM32F2XX_TIMER_H */
 |