hw/usb/hcd-ehci-sysbus.c

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