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authorAlistair Francis <alistair23@gmail.com>2015-03-11 13:21:05 +0000
committerPeter Maydell <peter.maydell@linaro.org>2015-03-11 13:21:05 +0000
commitbe2847051421119f64a0134b5654a5134658d379 (patch)
tree26da62fe6f35a2b5dda53b020763e5e3f121423c /include/hw/timer
parent886bc7a0492ff5d3b6c42157afff827b68595c34 (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.h101
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 */