xref: /openbmc/qemu/include/hw/dma/xlnx-zynq-devcfg.h (revision a68694cd)
1 /*
2  * QEMU model of the Xilinx Devcfg Interface
3  *
4  * (C) 2011 PetaLogix Pty Ltd
5  * (C) 2014 Xilinx Inc.
6  * Written by Peter Crosthwaite <peter.crosthwaite@xilinx.com>
7  *
8  * Permission is hereby granted, free of charge, to any person obtaining a copy
9  * of this software and associated documentation files (the "Software"), to deal
10  * in the Software without restriction, including without limitation the rights
11  * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
12  * copies of the Software, and to permit persons to whom the Software is
13  * furnished to do so, subject to the following conditions:
14  *
15  * The above copyright notice and this permission notice shall be included in
16  * all copies or substantial portions of the Software.
17  *
18  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
19  * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
20  * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
21  * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
22  * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
23  * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
24  * THE SOFTWARE.
25  */
26 
27 #ifndef XLNX_ZYNQ_DEVCFG_H
28 #define XLNX_ZYNQ_DEVCFG_H
29 
30 #include "hw/register.h"
31 #include "hw/sysbus.h"
32 #include "qom/object.h"
33 
34 #define TYPE_XLNX_ZYNQ_DEVCFG "xlnx.ps7-dev-cfg"
35 
36 typedef struct XlnxZynqDevcfg XlnxZynqDevcfg;
37 DECLARE_INSTANCE_CHECKER(XlnxZynqDevcfg, XLNX_ZYNQ_DEVCFG,
38                          TYPE_XLNX_ZYNQ_DEVCFG)
39 
40 #define XLNX_ZYNQ_DEVCFG_R_MAX (0x100 / 4)
41 
42 #define XLNX_ZYNQ_DEVCFG_DMA_CMD_FIFO_LEN 10
43 
44 typedef struct XlnxZynqDevcfgDMACmd {
45     uint32_t src_addr;
46     uint32_t dest_addr;
47     uint32_t src_len;
48     uint32_t dest_len;
49 } XlnxZynqDevcfgDMACmd;
50 
51 struct XlnxZynqDevcfg {
52     SysBusDevice parent_obj;
53 
54     MemoryRegion iomem;
55     qemu_irq irq;
56 
57     XlnxZynqDevcfgDMACmd dma_cmd_fifo[XLNX_ZYNQ_DEVCFG_DMA_CMD_FIFO_LEN];
58     uint8_t dma_cmd_fifo_num;
59 
60     uint32_t regs[XLNX_ZYNQ_DEVCFG_R_MAX];
61     RegisterInfo regs_info[XLNX_ZYNQ_DEVCFG_R_MAX];
62 };
63 
64 #endif
65