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     SysBusEHCIClass *sec = SYS_BUS_EHCI_GET_CLASS(dev);
  39     EHCIState *s = &i->ehci;
  40
  41     s->capsbase = sec->capsbase;
  42     s->opregbase = sec->opregbase;
  43     s->dma = &dma_context_memory;
  44
  45     usb_ehci_initfn(s, DEVICE(dev));
  46     sysbus_init_irq(dev, &s->irq);
  47     sysbus_init_mmio(dev, &s->mem);
  48     return 0;
  49 }
  50
  51 static void ehci_sysbus_class_init(ObjectClass *klass, void *data)
  52 {
  53     DeviceClass *dc = DEVICE_CLASS(klass);
  54     SysBusDeviceClass *k = SYS_BUS_DEVICE_CLASS(klass);
  55
  56     k->init = usb_ehci_sysbus_initfn;
  57     dc->vmsd = &vmstate_ehci_sysbus;
  58     dc->props = ehci_sysbus_properties;
  59 }
  60
  61 static const TypeInfo ehci_type_info = {
  62     .name          = TYPE_SYS_BUS_EHCI,
  63     .parent        = TYPE_SYS_BUS_DEVICE,
  64     .instance_size = sizeof(EHCISysBusState),
  65     .abstract      = true,
  66     .class_init    = ehci_sysbus_class_init,
  67     .class_size    = sizeof(SysBusEHCIClass),
  68 };
  69
  70 static void ehci_xlnx_class_init(ObjectClass *oc, void *data)
  71 {
  72     SysBusEHCIClass *sec = SYS_BUS_EHCI_CLASS(oc);
  73
  74     sec->capsbase = 0x100;
  75     sec->opregbase = 0x140;
  76 }
  77
  78 static const TypeInfo ehci_xlnx_type_info = {
  79     .name          = "xlnx,ps7-usb",
  80     .parent        = TYPE_SYS_BUS_EHCI,
  81     .class_init    = ehci_xlnx_class_init,
  82 };
  83
  84 static void ehci_exynos4210_class_init(ObjectClass *oc, void *data)
  85 {
  86     SysBusEHCIClass *sec = SYS_BUS_EHCI_CLASS(oc);
  87
  88     sec->capsbase = 0x0;
  89     sec->opregbase = 0x10;
  90 }
  91
  92 static const TypeInfo ehci_exynos4210_type_info = {
  93     .name          = TYPE_EXYNOS4210_EHCI,
  94     .parent        = TYPE_SYS_BUS_EHCI,
  95     .class_init    = ehci_exynos4210_class_init,
  96 };
  97
  98 static void ehci_sysbus_register_types(void)
  99 {
 100     type_register_static(&ehci_type_info);
 101     type_register_static(&ehci_xlnx_type_info);
 102     type_register_static(&ehci_exynos4210_type_info);
 103 }
 104
 105 type_init(ehci_sysbus_register_types)