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) 79