xref: /openbmc/qemu/include/hw/ssi/stm32f2xx_spi.h (revision c122bca9)
15ae74402SAlistair Francis /*
25ae74402SAlistair Francis  * STM32F2XX SPI
35ae74402SAlistair Francis  *
45ae74402SAlistair Francis  * Copyright (c) 2014 Alistair Francis <alistair@alistair23.me>
55ae74402SAlistair Francis  *
65ae74402SAlistair Francis  * Permission is hereby granted, free of charge, to any person obtaining a copy
75ae74402SAlistair Francis  * of this software and associated documentation files (the "Software"), to deal
85ae74402SAlistair Francis  * in the Software without restriction, including without limitation the rights
95ae74402SAlistair Francis  * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
105ae74402SAlistair Francis  * copies of the Software, and to permit persons to whom the Software is
115ae74402SAlistair Francis  * furnished to do so, subject to the following conditions:
125ae74402SAlistair Francis  *
135ae74402SAlistair Francis  * The above copyright notice and this permission notice shall be included in
145ae74402SAlistair Francis  * all copies or substantial portions of the Software.
155ae74402SAlistair Francis  *
165ae74402SAlistair Francis  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
175ae74402SAlistair Francis  * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
185ae74402SAlistair Francis  * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
195ae74402SAlistair Francis  * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
205ae74402SAlistair Francis  * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
215ae74402SAlistair Francis  * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
225ae74402SAlistair Francis  * THE SOFTWARE.
235ae74402SAlistair Francis  */
245ae74402SAlistair Francis 
255ae74402SAlistair Francis #ifndef HW_STM32F2XX_SPI_H
265ae74402SAlistair Francis #define HW_STM32F2XX_SPI_H
275ae74402SAlistair Francis 
285ae74402SAlistair Francis #include "hw/sysbus.h"
295ae74402SAlistair Francis #include "hw/ssi/ssi.h"
30db1015e9SEduardo Habkost #include "qom/object.h"
315ae74402SAlistair Francis 
325ae74402SAlistair Francis #define STM_SPI_CR1     0x00
335ae74402SAlistair Francis #define STM_SPI_CR2     0x04
345ae74402SAlistair Francis #define STM_SPI_SR      0x08
355ae74402SAlistair Francis #define STM_SPI_DR      0x0C
365ae74402SAlistair Francis #define STM_SPI_CRCPR   0x10
375ae74402SAlistair Francis #define STM_SPI_RXCRCR  0x14
385ae74402SAlistair Francis #define STM_SPI_TXCRCR  0x18
395ae74402SAlistair Francis #define STM_SPI_I2SCFGR 0x1C
405ae74402SAlistair Francis #define STM_SPI_I2SPR   0x20
415ae74402SAlistair Francis 
425ae74402SAlistair Francis #define STM_SPI_CR1_SPE  (1 << 6)
435ae74402SAlistair Francis #define STM_SPI_CR1_MSTR (1 << 2)
445ae74402SAlistair Francis 
455ae74402SAlistair Francis #define STM_SPI_SR_RXNE   1
465ae74402SAlistair Francis 
475ae74402SAlistair Francis #define TYPE_STM32F2XX_SPI "stm32f2xx-spi"
48*8063396bSEduardo Habkost OBJECT_DECLARE_SIMPLE_TYPE(STM32F2XXSPIState, STM32F2XX_SPI)
495ae74402SAlistair Francis 
50db1015e9SEduardo Habkost struct STM32F2XXSPIState {
515ae74402SAlistair Francis     /* <private> */
525ae74402SAlistair Francis     SysBusDevice parent_obj;
535ae74402SAlistair Francis 
545ae74402SAlistair Francis     /* <public> */
555ae74402SAlistair Francis     MemoryRegion mmio;
565ae74402SAlistair Francis 
575ae74402SAlistair Francis     uint32_t spi_cr1;
585ae74402SAlistair Francis     uint32_t spi_cr2;
595ae74402SAlistair Francis     uint32_t spi_sr;
605ae74402SAlistair Francis     uint32_t spi_dr;
615ae74402SAlistair Francis     uint32_t spi_crcpr;
625ae74402SAlistair Francis     uint32_t spi_rxcrcr;
635ae74402SAlistair Francis     uint32_t spi_txcrcr;
645ae74402SAlistair Francis     uint32_t spi_i2scfgr;
655ae74402SAlistair Francis     uint32_t spi_i2spr;
665ae74402SAlistair Francis 
675ae74402SAlistair Francis     qemu_irq irq;
685ae74402SAlistair Francis     SSIBus *ssi;
69db1015e9SEduardo Habkost };
705ae74402SAlistair Francis 
715ae74402SAlistair Francis #endif /* HW_STM32F2XX_SPI_H */
72