diff options
author | Alistair Francis <alistair23@gmail.com> | 2015-03-11 13:21:05 +0000 |
---|---|---|
committer | Peter Maydell <peter.maydell@linaro.org> | 2015-03-11 13:21:05 +0000 |
commit | be2847051421119f64a0134b5654a5134658d379 (patch) | |
tree | 26da62fe6f35a2b5dda53b020763e5e3f121423c /include/hw/timer | |
parent | 886bc7a0492ff5d3b6c42157afff827b68595c34 (diff) |
stm32f2xx_timer: Add the stm32f2xx Timer
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>
Diffstat (limited to 'include/hw/timer')
-rw-r--r-- | include/hw/timer/stm32f2xx_timer.h | 101 |
1 files changed, 101 insertions, 0 deletions
diff --git a/include/hw/timer/stm32f2xx_timer.h b/include/hw/timer/stm32f2xx_timer.h new file mode 100644 index 0000000000..e6a83237a5 --- /dev/null +++ b/include/hw/timer/stm32f2xx_timer.h @@ -0,0 +1,101 @@ +/* + * 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 */ |