73 lines
2.2 KiB
C
73 lines
2.2 KiB
C
/*
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* Header file for the Xilinx Zynq SPI controller
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*
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* Copyright (C) 2015 Xilinx Inc
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*
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* Permission is hereby granted, free of charge, to any person obtaining a copy
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* of this software and associated documentation files (the "Software"), to deal
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* in the Software without restriction, including without limitation the rights
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* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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* copies of the Software, and to permit persons to whom the Software is
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* furnished to do so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice shall be included in
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* all copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
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* THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
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* THE SOFTWARE.
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*/
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#ifndef XILINX_SPIPS_H
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#define XILINX_SPIPS_H
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#include "hw/ssi/ssi.h"
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#include "qemu/fifo8.h"
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typedef struct XilinxSPIPS XilinxSPIPS;
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#define XLNX_SPIPS_R_MAX (0x100 / 4)
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struct XilinxSPIPS {
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SysBusDevice parent_obj;
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MemoryRegion iomem;
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MemoryRegion mmlqspi;
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qemu_irq irq;
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int irqline;
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uint8_t num_cs;
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uint8_t num_busses;
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uint8_t snoop_state;
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qemu_irq *cs_lines;
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SSIBus **spi;
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Fifo8 rx_fifo;
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Fifo8 tx_fifo;
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uint8_t num_txrx_bytes;
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uint32_t regs[XLNX_SPIPS_R_MAX];
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};
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#define TYPE_XILINX_SPIPS "xlnx.ps7-spi"
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#define TYPE_XILINX_QSPIPS "xlnx.ps7-qspi"
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#define XILINX_SPIPS(obj) \
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OBJECT_CHECK(XilinxSPIPS, (obj), TYPE_XILINX_SPIPS)
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#define XILINX_SPIPS_CLASS(klass) \
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OBJECT_CLASS_CHECK(XilinxSPIPSClass, (klass), TYPE_XILINX_SPIPS)
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#define XILINX_SPIPS_GET_CLASS(obj) \
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OBJECT_GET_CLASS(XilinxSPIPSClass, (obj), TYPE_XILINX_SPIPS)
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#define XILINX_QSPIPS(obj) \
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OBJECT_CHECK(XilinxQSPIPS, (obj), TYPE_XILINX_QSPIPS)
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#endif /* XILINX_SPIPS_H */
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