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/*
* QEMU model of the SiFive SPI Controller
*
* Copyright (c) 2021 Wind River Systems, Inc.
*
* Author:
* Bin Meng <bin.meng@windriver.com>
*
* This program is free software; you can redistribute it and/or modify it
* under the terms and conditions of the GNU General Public License,
* version 2 or later, as published by the Free Software Foundation.
*
* This program is distributed in the hope it will be useful, but WITHOUT
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
* more details.
*
* You should have received a copy of the GNU General Public License along with
* this program. If not, see <http://www.gnu.org/licenses/>.
*/
#ifndef HW_SIFIVE_SPI_H
#define HW_SIFIVE_SPI_H
#include "qemu/fifo8.h"
#include "hw/sysbus.h"
#define SIFIVE_SPI_REG_NUM (0x78 / 4)
#define TYPE_SIFIVE_SPI "sifive.spi"
#define SIFIVE_SPI(obj) OBJECT_CHECK(SiFiveSPIState, (obj), TYPE_SIFIVE_SPI)
typedef struct SiFiveSPIState {
SysBusDevice parent_obj;
MemoryRegion mmio;
qemu_irq irq;
uint32_t num_cs;
qemu_irq *cs_lines;
SSIBus *spi;
Fifo8 tx_fifo;
Fifo8 rx_fifo;
uint32_t regs[SIFIVE_SPI_REG_NUM];
} SiFiveSPIState;
#endif /* HW_SIFIVE_SPI_H */