diff options
Diffstat (limited to 'include/hw')
-rw-r--r-- | include/hw/char/stm32f2xx_usart.h | 73 |
1 files changed, 73 insertions, 0 deletions
diff --git a/include/hw/char/stm32f2xx_usart.h b/include/hw/char/stm32f2xx_usart.h new file mode 100644 index 0000000000..b97f192a45 --- /dev/null +++ b/include/hw/char/stm32f2xx_usart.h @@ -0,0 +1,73 @@ +/* + * STM32F2XX USART + * + * 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_USART_H +#define HW_STM32F2XX_USART_H + +#include "hw/sysbus.h" +#include "sysemu/char.h" +#include "hw/hw.h" + +#define USART_SR 0x00 +#define USART_DR 0x04 +#define USART_BRR 0x08 +#define USART_CR1 0x0C +#define USART_CR2 0x10 +#define USART_CR3 0x14 +#define USART_GTPR 0x18 + +#define USART_SR_RESET 0x00C00000 + +#define USART_SR_TXE (1 << 7) +#define USART_SR_TC (1 << 6) +#define USART_SR_RXNE (1 << 5) + +#define USART_CR1_UE (1 << 13) +#define USART_CR1_RXNEIE (1 << 5) +#define USART_CR1_TE (1 << 3) +#define USART_CR1_RE (1 << 2) + +#define TYPE_STM32F2XX_USART "stm32f2xx-usart" +#define STM32F2XX_USART(obj) \ + OBJECT_CHECK(STM32F2XXUsartState, (obj), TYPE_STM32F2XX_USART) + +typedef struct { + /* <private> */ + SysBusDevice parent_obj; + + /* <public> */ + MemoryRegion mmio; + + uint32_t usart_sr; + uint32_t usart_dr; + uint32_t usart_brr; + uint32_t usart_cr1; + uint32_t usart_cr2; + uint32_t usart_cr3; + uint32_t usart_gtpr; + + CharDriverState *chr; + qemu_irq irq; +} STM32F2XXUsartState; +#endif /* HW_STM32F2XX_USART_H */ |