1 /* 2 * STM32F2XX SPI 3 * 4 * Copyright (c) 2014 Alistair Francis <alistair@alistair23.me> 5 * 6 * Permission is hereby granted, free of charge, to any person obtaining a copy 7 * of this software and associated documentation files (the "Software"), to deal 8 * in the Software without restriction, including without limitation the rights 9 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell 10 * copies of the Software, and to permit persons to whom the Software is 11 * furnished to do so, subject to the following conditions: 12 * 13 * The above copyright notice and this permission notice shall be included in 14 * all copies or substantial portions of the Software. 15 * 16 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR 17 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, 18 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL 19 * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER 20 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, 21 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN 22 * THE SOFTWARE. 23 */ 24 25 #ifndef HW_STM32F2XX_SPI_H 26 #define HW_STM32F2XX_SPI_H 27 28 #include "hw/sysbus.h" 29 #include "hw/hw.h" 30 #include "hw/ssi/ssi.h" 31 32 #define STM_SPI_CR1 0x00 33 #define STM_SPI_CR2 0x04 34 #define STM_SPI_SR 0x08 35 #define STM_SPI_DR 0x0C 36 #define STM_SPI_CRCPR 0x10 37 #define STM_SPI_RXCRCR 0x14 38 #define STM_SPI_TXCRCR 0x18 39 #define STM_SPI_I2SCFGR 0x1C 40 #define STM_SPI_I2SPR 0x20 41 42 #define STM_SPI_CR1_SPE (1 << 6) 43 #define STM_SPI_CR1_MSTR (1 << 2) 44 45 #define STM_SPI_SR_RXNE 1 46 47 #define TYPE_STM32F2XX_SPI "stm32f2xx-spi" 48 #define STM32F2XX_SPI(obj) \ 49 OBJECT_CHECK(STM32F2XXSPIState, (obj), TYPE_STM32F2XX_SPI) 50 51 typedef struct { 52 /* <private> */ 53 SysBusDevice parent_obj; 54 55 /* <public> */ 56 MemoryRegion mmio; 57 58 uint32_t spi_cr1; 59 uint32_t spi_cr2; 60 uint32_t spi_sr; 61 uint32_t spi_dr; 62 uint32_t spi_crcpr; 63 uint32_t spi_rxcrcr; 64 uint32_t spi_txcrcr; 65 uint32_t spi_i2scfgr; 66 uint32_t spi_i2spr; 67 68 qemu_irq irq; 69 SSIBus *ssi; 70 } STM32F2XXSPIState; 71 72 #endif /* HW_STM32F2XX_SPI_H */ 73