1*73af5d11SAlistair Francis /* 2*73af5d11SAlistair Francis * STM32F2XX USART 3*73af5d11SAlistair Francis * 4*73af5d11SAlistair Francis * Copyright (c) 2014 Alistair Francis <alistair@alistair23.me> 5*73af5d11SAlistair Francis * 6*73af5d11SAlistair Francis * Permission is hereby granted, free of charge, to any person obtaining a copy 7*73af5d11SAlistair Francis * of this software and associated documentation files (the "Software"), to deal 8*73af5d11SAlistair Francis * in the Software without restriction, including without limitation the rights 9*73af5d11SAlistair Francis * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell 10*73af5d11SAlistair Francis * copies of the Software, and to permit persons to whom the Software is 11*73af5d11SAlistair Francis * furnished to do so, subject to the following conditions: 12*73af5d11SAlistair Francis * 13*73af5d11SAlistair Francis * The above copyright notice and this permission notice shall be included in 14*73af5d11SAlistair Francis * all copies or substantial portions of the Software. 15*73af5d11SAlistair Francis * 16*73af5d11SAlistair Francis * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR 17*73af5d11SAlistair Francis * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, 18*73af5d11SAlistair Francis * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL 19*73af5d11SAlistair Francis * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER 20*73af5d11SAlistair Francis * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, 21*73af5d11SAlistair Francis * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN 22*73af5d11SAlistair Francis * THE SOFTWARE. 23*73af5d11SAlistair Francis */ 24*73af5d11SAlistair Francis 25*73af5d11SAlistair Francis #ifndef HW_STM32F2XX_USART_H 26*73af5d11SAlistair Francis #define HW_STM32F2XX_USART_H 27*73af5d11SAlistair Francis 28*73af5d11SAlistair Francis #include "hw/sysbus.h" 29*73af5d11SAlistair Francis #include "sysemu/char.h" 30*73af5d11SAlistair Francis #include "hw/hw.h" 31*73af5d11SAlistair Francis 32*73af5d11SAlistair Francis #define USART_SR 0x00 33*73af5d11SAlistair Francis #define USART_DR 0x04 34*73af5d11SAlistair Francis #define USART_BRR 0x08 35*73af5d11SAlistair Francis #define USART_CR1 0x0C 36*73af5d11SAlistair Francis #define USART_CR2 0x10 37*73af5d11SAlistair Francis #define USART_CR3 0x14 38*73af5d11SAlistair Francis #define USART_GTPR 0x18 39*73af5d11SAlistair Francis 40*73af5d11SAlistair Francis #define USART_SR_RESET 0x00C00000 41*73af5d11SAlistair Francis 42*73af5d11SAlistair Francis #define USART_SR_TXE (1 << 7) 43*73af5d11SAlistair Francis #define USART_SR_TC (1 << 6) 44*73af5d11SAlistair Francis #define USART_SR_RXNE (1 << 5) 45*73af5d11SAlistair Francis 46*73af5d11SAlistair Francis #define USART_CR1_UE (1 << 13) 47*73af5d11SAlistair Francis #define USART_CR1_RXNEIE (1 << 5) 48*73af5d11SAlistair Francis #define USART_CR1_TE (1 << 3) 49*73af5d11SAlistair Francis #define USART_CR1_RE (1 << 2) 50*73af5d11SAlistair Francis 51*73af5d11SAlistair Francis #define TYPE_STM32F2XX_USART "stm32f2xx-usart" 52*73af5d11SAlistair Francis #define STM32F2XX_USART(obj) \ 53*73af5d11SAlistair Francis OBJECT_CHECK(STM32F2XXUsartState, (obj), TYPE_STM32F2XX_USART) 54*73af5d11SAlistair Francis 55*73af5d11SAlistair Francis typedef struct { 56*73af5d11SAlistair Francis /* <private> */ 57*73af5d11SAlistair Francis SysBusDevice parent_obj; 58*73af5d11SAlistair Francis 59*73af5d11SAlistair Francis /* <public> */ 60*73af5d11SAlistair Francis MemoryRegion mmio; 61*73af5d11SAlistair Francis 62*73af5d11SAlistair Francis uint32_t usart_sr; 63*73af5d11SAlistair Francis uint32_t usart_dr; 64*73af5d11SAlistair Francis uint32_t usart_brr; 65*73af5d11SAlistair Francis uint32_t usart_cr1; 66*73af5d11SAlistair Francis uint32_t usart_cr2; 67*73af5d11SAlistair Francis uint32_t usart_cr3; 68*73af5d11SAlistair Francis uint32_t usart_gtpr; 69*73af5d11SAlistair Francis 70*73af5d11SAlistair Francis CharDriverState *chr; 71*73af5d11SAlistair Francis qemu_irq irq; 72*73af5d11SAlistair Francis } STM32F2XXUsartState; 73*73af5d11SAlistair Francis #endif /* HW_STM32F2XX_USART_H */ 74