xref: /qemu/hw/usb/hcd-ehci-sysbus.c (revision e433785a768391795e88fbbdd75bbd34859666d3)
1*e433785aSGerd Hoffmann /*
2*e433785aSGerd Hoffmann  * QEMU USB EHCI Emulation
3*e433785aSGerd Hoffmann  *
4*e433785aSGerd Hoffmann  * This library is free software; you can redistribute it and/or
5*e433785aSGerd Hoffmann  * modify it under the terms of the GNU Lesser General Public
6*e433785aSGerd Hoffmann  * License as published by the Free Software Foundation; either
7*e433785aSGerd Hoffmann  * version 2 of the License, or(at your option) any later version.
8*e433785aSGerd Hoffmann  *
9*e433785aSGerd Hoffmann  * This library is distributed in the hope that it will be useful,
10*e433785aSGerd Hoffmann  * but WITHOUT ANY WARRANTY; without even the implied warranty of
11*e433785aSGerd Hoffmann  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
12*e433785aSGerd Hoffmann  * Lesser General Public License for more details.
13*e433785aSGerd Hoffmann  *
14*e433785aSGerd Hoffmann  * You should have received a copy of the GNU General Public License
15*e433785aSGerd Hoffmann  * along with this program; if not, see <http://www.gnu.org/licenses/>.
16*e433785aSGerd Hoffmann  */
17*e433785aSGerd Hoffmann 
18*e433785aSGerd Hoffmann #include "hw/usb/hcd-ehci.h"
19*e433785aSGerd Hoffmann #include "hw/sysbus.h"
20*e433785aSGerd Hoffmann 
21*e433785aSGerd Hoffmann typedef struct EHCISysBusState {
22*e433785aSGerd Hoffmann     SysBusDevice busdev;
23*e433785aSGerd Hoffmann     EHCIState ehci;
24*e433785aSGerd Hoffmann } EHCISysBusState;
25*e433785aSGerd Hoffmann 
26*e433785aSGerd Hoffmann static const VMStateDescription vmstate_ehci_sysbus = {
27*e433785aSGerd Hoffmann     .name        = "ehci-sysbus",
28*e433785aSGerd Hoffmann     .version_id  = 2,
29*e433785aSGerd Hoffmann     .minimum_version_id  = 1,
30*e433785aSGerd Hoffmann     .fields      = (VMStateField[]) {
31*e433785aSGerd Hoffmann         VMSTATE_STRUCT(ehci, EHCISysBusState, 2, vmstate_ehci, EHCIState),
32*e433785aSGerd Hoffmann         VMSTATE_END_OF_LIST()
33*e433785aSGerd Hoffmann     }
34*e433785aSGerd Hoffmann };
35*e433785aSGerd Hoffmann 
36*e433785aSGerd Hoffmann static Property ehci_sysbus_properties[] = {
37*e433785aSGerd Hoffmann     DEFINE_PROP_UINT32("maxframes", EHCISysBusState, ehci.maxframes, 128),
38*e433785aSGerd Hoffmann     DEFINE_PROP_END_OF_LIST(),
39*e433785aSGerd Hoffmann };
40*e433785aSGerd Hoffmann 
41*e433785aSGerd Hoffmann static int usb_ehci_sysbus_initfn(SysBusDevice *dev)
42*e433785aSGerd Hoffmann {
43*e433785aSGerd Hoffmann     EHCISysBusState *i = FROM_SYSBUS(EHCISysBusState, dev);
44*e433785aSGerd Hoffmann     EHCIState *s = &i->ehci;
45*e433785aSGerd Hoffmann 
46*e433785aSGerd Hoffmann     s->capsbase = 0x100;
47*e433785aSGerd Hoffmann     s->opregbase = 0x140;
48*e433785aSGerd Hoffmann 
49*e433785aSGerd Hoffmann     usb_ehci_initfn(s, DEVICE(dev));
50*e433785aSGerd Hoffmann     sysbus_init_irq(dev, &s->irq);
51*e433785aSGerd Hoffmann     sysbus_init_mmio(dev, &s->mem);
52*e433785aSGerd Hoffmann     return 0;
53*e433785aSGerd Hoffmann }
54*e433785aSGerd Hoffmann 
55*e433785aSGerd Hoffmann static void ehci_sysbus_class_init(ObjectClass *klass, void *data)
56*e433785aSGerd Hoffmann {
57*e433785aSGerd Hoffmann     DeviceClass *dc = DEVICE_CLASS(klass);
58*e433785aSGerd Hoffmann     SysBusDeviceClass *k = SYS_BUS_DEVICE_CLASS(klass);
59*e433785aSGerd Hoffmann 
60*e433785aSGerd Hoffmann     k->init = usb_ehci_sysbus_initfn;
61*e433785aSGerd Hoffmann     dc->vmsd = &vmstate_ehci_sysbus;
62*e433785aSGerd Hoffmann     dc->props = ehci_sysbus_properties;
63*e433785aSGerd Hoffmann }
64*e433785aSGerd Hoffmann 
65*e433785aSGerd Hoffmann TypeInfo ehci_xlnx_type_info = {
66*e433785aSGerd Hoffmann     .name          = "xlnx,ps7-usb",
67*e433785aSGerd Hoffmann     .parent        = TYPE_SYS_BUS_DEVICE,
68*e433785aSGerd Hoffmann     .instance_size = sizeof(EHCISysBusState),
69*e433785aSGerd Hoffmann     .class_init    = ehci_sysbus_class_init,
70*e433785aSGerd Hoffmann };
71*e433785aSGerd Hoffmann 
72*e433785aSGerd Hoffmann static void ehci_sysbus_register_types(void)
73*e433785aSGerd Hoffmann {
74*e433785aSGerd Hoffmann     type_register_static(&ehci_xlnx_type_info);
75*e433785aSGerd Hoffmann }
76*e433785aSGerd Hoffmann 
77*e433785aSGerd Hoffmann type_init(ehci_sysbus_register_types)
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