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
  20 static const VMStateDescription vmstate_ehci_sysbus = {
  21     .name        = "ehci-sysbus",
  22     .version_id  = 2,
  23     .minimum_version_id  = 1,
  24     .fields      = (VMStateField[]) {
  25         VMSTATE_STRUCT(ehci, EHCISysBusState, 2, vmstate_ehci, EHCIState),
  26         VMSTATE_END_OF_LIST()
  27     }
  28 };
  29
  30 static Property ehci_sysbus_properties[] = {
  31     DEFINE_PROP_UINT32("maxframes", EHCISysBusState, ehci.maxframes, 128),
  32     DEFINE_PROP_END_OF_LIST(),
  33 };
  34
  35 static int usb_ehci_sysbus_initfn(SysBusDevice *dev)
  36 {
  37     EHCISysBusState *i = SYS_BUS_EHCI(dev);
  38     EHCIState *s = &i->ehci;
  39
  40     s->capsbase = 0x100;
  41     s->opregbase = 0x140;
  42     s->dma = &dma_context_memory;
  43
  44     usb_ehci_initfn(s, DEVICE(dev));
  45     sysbus_init_irq(dev, &s->irq);
  46     sysbus_init_mmio(dev, &s->mem);
  47     return 0;
  48 }
  49
  50 static void ehci_sysbus_class_init(ObjectClass *klass, void *data)
  51 {
  52     DeviceClass *dc = DEVICE_CLASS(klass);
  53     SysBusDeviceClass *k = SYS_BUS_DEVICE_CLASS(klass);
  54
  55     k->init = usb_ehci_sysbus_initfn;
  56     dc->vmsd = &vmstate_ehci_sysbus;
  57     dc->props = ehci_sysbus_properties;
  58 }
  59
  60 static const TypeInfo ehci_type_info = {
  61     .name          = TYPE_SYS_BUS_EHCI,
  62     .parent        = TYPE_SYS_BUS_DEVICE,
  63     .instance_size = sizeof(EHCISysBusState),
  64     .abstract      = true,
  65     .class_init    = ehci_sysbus_class_init,
  66 };
  67
  68 static const TypeInfo ehci_xlnx_type_info = {
  69     .name          = "xlnx,ps7-usb",
  70     .parent        = TYPE_SYS_BUS_EHCI,
  71 };
  72
  73 static void ehci_sysbus_register_types(void)
  74 {
  75     type_register_static(&ehci_type_info);
  76     type_register_static(&ehci_xlnx_type_info);
  77 }
  78
  79 type_init(ehci_sysbus_register_types)