diff options
Diffstat (limited to 'include')
| -rw-r--r-- | include/hw/misc/stm32l4x5_exti.h | 51 |
1 files changed, 51 insertions, 0 deletions
diff --git a/include/hw/misc/stm32l4x5_exti.h b/include/hw/misc/stm32l4x5_exti.h new file mode 100644 index 0000000000..be961d2f01 --- /dev/null +++ b/include/hw/misc/stm32l4x5_exti.h @@ -0,0 +1,51 @@ +/* + * STM32L4x5 EXTI (Extended interrupts and events controller) + * + * Copyright (c) 2023 Arnaud Minier <arnaud.minier@telecom-paris.fr> + * Copyright (c) 2023 Inès Varhol <ines.varhol@telecom-paris.fr> + * + * SPDX-License-Identifier: GPL-2.0-or-later + * + * This work is licensed under the terms of the GNU GPL, version 2 or later. + * See the COPYING file in the top-level directory. + * + * This work is based on the stm32f4xx_exti by Alistair Francis. + * Original code is licensed under the MIT License: + * + * Copyright (c) 2014 Alistair Francis <alistair@alistair23.me> + */ + +/* + * The reference used is the STMicroElectronics RM0351 Reference manual + * for STM32L4x5 and STM32L4x6 advanced Arm ® -based 32-bit MCUs. + * https://www.st.com/en/microcontrollers-microprocessors/stm32l4x5/documentation.html + */ + +#ifndef HW_STM32L4X5_EXTI_H +#define HW_STM32L4X5_EXTI_H + +#include "hw/sysbus.h" +#include "qom/object.h" + +#define TYPE_STM32L4X5_EXTI "stm32l4x5-exti" +OBJECT_DECLARE_SIMPLE_TYPE(Stm32l4x5ExtiState, STM32L4X5_EXTI) + +#define EXTI_NUM_INTERRUPT_OUT_LINES 40 +#define EXTI_NUM_REGISTER 2 + +struct Stm32l4x5ExtiState { + SysBusDevice parent_obj; + + MemoryRegion mmio; + + uint32_t imr[EXTI_NUM_REGISTER]; + uint32_t emr[EXTI_NUM_REGISTER]; + uint32_t rtsr[EXTI_NUM_REGISTER]; + uint32_t ftsr[EXTI_NUM_REGISTER]; + uint32_t swier[EXTI_NUM_REGISTER]; + uint32_t pr[EXTI_NUM_REGISTER]; + + qemu_irq irq[EXTI_NUM_INTERRUPT_OUT_LINES]; +}; + +#endif |