xref: /qemu/include/hw/ssi/xilinx_spips.h (revision 7a4e543d)
1 /*
2  * Header file for the Xilinx Zynq SPI controller
3  *
4  * Copyright (C) 2015 Xilinx Inc
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 XLNX_SPIPS_H
26 #define XLNX_SPIPS_H
27 
28 #include "hw/ssi/ssi.h"
29 #include "qemu/fifo8.h"
30 
31 typedef struct XilinxSPIPS XilinxSPIPS;
32 
33 #define XLNX_SPIPS_R_MAX        (0x100 / 4)
34 
35 struct XilinxSPIPS {
36     SysBusDevice parent_obj;
37 
38     MemoryRegion iomem;
39     MemoryRegion mmlqspi;
40 
41     qemu_irq irq;
42     int irqline;
43 
44     uint8_t num_cs;
45     uint8_t num_busses;
46 
47     uint8_t snoop_state;
48     qemu_irq *cs_lines;
49     SSIBus **spi;
50 
51     Fifo8 rx_fifo;
52     Fifo8 tx_fifo;
53 
54     uint8_t num_txrx_bytes;
55 
56     uint32_t regs[XLNX_SPIPS_R_MAX];
57 };
58 
59 #define TYPE_XILINX_SPIPS "xlnx.ps7-spi"
60 #define TYPE_XILINX_QSPIPS "xlnx.ps7-qspi"
61 
62 #define XILINX_SPIPS(obj) \
63      OBJECT_CHECK(XilinxSPIPS, (obj), TYPE_XILINX_SPIPS)
64 #define XILINX_SPIPS_CLASS(klass) \
65      OBJECT_CLASS_CHECK(XilinxSPIPSClass, (klass), TYPE_XILINX_SPIPS)
66 #define XILINX_SPIPS_GET_CLASS(obj) \
67      OBJECT_GET_CLASS(XilinxSPIPSClass, (obj), TYPE_XILINX_SPIPS)
68 
69 #define XILINX_QSPIPS(obj) \
70      OBJECT_CHECK(XilinxQSPIPS, (obj), TYPE_XILINX_QSPIPS)
71 
72 #endif /* XLNX_SPIPS_H */
73