| /* |
| * 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 */ |