xref: /openbmc/qemu/include/hw/pci-host/xilinx-pcie.h (revision 674b0a57)
1 /*
2  * Xilinx PCIe host controller emulation.
3  *
4  * Copyright (c) 2016 Imagination Technologies
5  *
6  * This library is free software; you can redistribute it and/or
7  * modify it under the terms of the GNU Lesser General Public
8  * License as published by the Free Software Foundation; either
9  * version 2.1 of the License, or (at your option) any later version.
10  *
11  * This library is distributed in the hope that it will be useful,
12  * but WITHOUT ANY WARRANTY; without even the implied warranty of
13  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
14  * Lesser General Public License for more details.
15  *
16  * You should have received a copy of the GNU Lesser General Public
17  * License along with this library; if not, see <http://www.gnu.org/licenses/>.
18  */
19 
20 #ifndef HW_XILINX_PCIE_H
21 #define HW_XILINX_PCIE_H
22 
23 #include "hw/sysbus.h"
24 #include "hw/pci/pci_bridge.h"
25 #include "hw/pci/pcie_host.h"
26 #include "qom/object.h"
27 
28 #define TYPE_XILINX_PCIE_HOST "xilinx-pcie-host"
29 OBJECT_DECLARE_SIMPLE_TYPE(XilinxPCIEHost, XILINX_PCIE_HOST)
30 
31 #define TYPE_XILINX_PCIE_ROOT "xilinx-pcie-root"
32 OBJECT_DECLARE_SIMPLE_TYPE(XilinxPCIERoot, XILINX_PCIE_ROOT)
33 
34 struct XilinxPCIERoot {
35     PCIBridge parent_obj;
36 };
37 
38 typedef struct XilinxPCIEInt {
39     uint32_t fifo_reg1;
40     uint32_t fifo_reg2;
41 } XilinxPCIEInt;
42 
43 struct XilinxPCIEHost {
44     PCIExpressHost parent_obj;
45 
46     char name[16];
47 
48     uint32_t bus_nr;
49     uint64_t cfg_base, cfg_size;
50     uint64_t mmio_base, mmio_size;
51     bool link_up;
52     qemu_irq irq;
53 
54     MemoryRegion mmio, io;
55 
56     XilinxPCIERoot root;
57 
58     uint32_t intr;
59     uint32_t intr_mask;
60     XilinxPCIEInt intr_fifo[16];
61     unsigned int intr_fifo_r, intr_fifo_w;
62     uint32_t rpscr;
63 };
64 
65 #endif /* HW_XILINX_PCIE_H */
66