From 5ae74402d1f3221ed26936c4b9febc7e69ecdc5b Mon Sep 17 00:00:00 2001 From: Alistair Francis Date: Tue, 4 Oct 2016 13:28:07 +0100 Subject: STM32F2xx: Add the SPI device Add the STM32F2xx SPI device. Signed-off-by: Alistair Francis Reviewed-by: Peter Maydell Message-id: 8197811d5c94f814fa67c6a33ca2f7fd0aa97432.1474742262.git.alistair@alistair23.me Signed-off-by: Peter Maydell --- include/hw/ssi/stm32f2xx_spi.h | 72 ++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 72 insertions(+) create mode 100644 include/hw/ssi/stm32f2xx_spi.h (limited to 'include/hw/ssi') diff --git a/include/hw/ssi/stm32f2xx_spi.h b/include/hw/ssi/stm32f2xx_spi.h new file mode 100644 index 0000000..1cd73e4 --- /dev/null +++ b/include/hw/ssi/stm32f2xx_spi.h @@ -0,0 +1,72 @@ +/* + * STM32F2XX SPI + * + * Copyright (c) 2014 Alistair Francis + * + * 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_SPI_H +#define HW_STM32F2XX_SPI_H + +#include "hw/sysbus.h" +#include "hw/hw.h" +#include "hw/ssi/ssi.h" + +#define STM_SPI_CR1 0x00 +#define STM_SPI_CR2 0x04 +#define STM_SPI_SR 0x08 +#define STM_SPI_DR 0x0C +#define STM_SPI_CRCPR 0x10 +#define STM_SPI_RXCRCR 0x14 +#define STM_SPI_TXCRCR 0x18 +#define STM_SPI_I2SCFGR 0x1C +#define STM_SPI_I2SPR 0x20 + +#define STM_SPI_CR1_SPE (1 << 6) +#define STM_SPI_CR1_MSTR (1 << 2) + +#define STM_SPI_SR_RXNE 1 + +#define TYPE_STM32F2XX_SPI "stm32f2xx-spi" +#define STM32F2XX_SPI(obj) \ + OBJECT_CHECK(STM32F2XXSPIState, (obj), TYPE_STM32F2XX_SPI) + +typedef struct { + /* */ + SysBusDevice parent_obj; + + /* */ + MemoryRegion mmio; + + uint32_t spi_cr1; + uint32_t spi_cr2; + uint32_t spi_sr; + uint32_t spi_dr; + uint32_t spi_crcpr; + uint32_t spi_rxcrcr; + uint32_t spi_txcrcr; + uint32_t spi_i2scfgr; + uint32_t spi_i2spr; + + qemu_irq irq; + SSIBus *ssi; +} STM32F2XXSPIState; + +#endif /* HW_STM32F2XX_SPI_H */ -- cgit v1.1