include/hw/ssi/stm32f2xx_spi.h

   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/ssi/ssi.h"
  30
  31 #define STM_SPI_CR1     0x00
  32 #define STM_SPI_CR2     0x04
  33 #define STM_SPI_SR      0x08
  34 #define STM_SPI_DR      0x0C
  35 #define STM_SPI_CRCPR   0x10
  36 #define STM_SPI_RXCRCR  0x14
  37 #define STM_SPI_TXCRCR  0x18
  38 #define STM_SPI_I2SCFGR 0x1C
  39 #define STM_SPI_I2SPR   0x20
  40
  41 #define STM_SPI_CR1_SPE  (1 << 6)
  42 #define STM_SPI_CR1_MSTR (1 << 2)
  43
  44 #define STM_SPI_SR_RXNE   1
  45
  46 #define TYPE_STM32F2XX_SPI "stm32f2xx-spi"
  47 #define STM32F2XX_SPI(obj) \
  48     OBJECT_CHECK(STM32F2XXSPIState, (obj), TYPE_STM32F2XX_SPI)
  49
  50 typedef struct {
  51     /* <private> */
  52     SysBusDevice parent_obj;
  53
  54     /* <public> */
  55     MemoryRegion mmio;
  56
  57     uint32_t spi_cr1;
  58     uint32_t spi_cr2;
  59     uint32_t spi_sr;
  60     uint32_t spi_dr;
  61     uint32_t spi_crcpr;
  62     uint32_t spi_rxcrcr;
  63     uint32_t spi_txcrcr;
  64     uint32_t spi_i2scfgr;
  65     uint32_t spi_i2spr;
  66
  67     qemu_irq irq;
  68     SSIBus *ssi;
  69 } STM32F2XXSPIState;
  70
  71 #endif /* HW_STM32F2XX_SPI_H */