2b29f492c8
This was left as NULL on the initial merge due to debate on the mailing list on
how to handle DMA contexts for sysbus devices. Patch
9e11908f12 was later merged to fix OHCI. This is the,
equivalent fix for sysbus EHCI.
Signed-off-by: Peter Crosthwaite <peter.crosthwaite@xilinx.com>
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
79 lines
2.2 KiB
C
79 lines
2.2 KiB
C
/*
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* QEMU USB EHCI Emulation
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 2 of the License, or(at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, see <http://www.gnu.org/licenses/>.
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*/
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#include "hw/usb/hcd-ehci.h"
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#include "hw/sysbus.h"
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typedef struct EHCISysBusState {
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SysBusDevice busdev;
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EHCIState ehci;
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} EHCISysBusState;
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static const VMStateDescription vmstate_ehci_sysbus = {
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.name = "ehci-sysbus",
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.version_id = 2,
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.minimum_version_id = 1,
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.fields = (VMStateField[]) {
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VMSTATE_STRUCT(ehci, EHCISysBusState, 2, vmstate_ehci, EHCIState),
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VMSTATE_END_OF_LIST()
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}
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};
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static Property ehci_sysbus_properties[] = {
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DEFINE_PROP_UINT32("maxframes", EHCISysBusState, ehci.maxframes, 128),
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DEFINE_PROP_END_OF_LIST(),
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};
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static int usb_ehci_sysbus_initfn(SysBusDevice *dev)
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{
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EHCISysBusState *i = FROM_SYSBUS(EHCISysBusState, dev);
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EHCIState *s = &i->ehci;
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s->capsbase = 0x100;
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s->opregbase = 0x140;
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s->dma = &dma_context_memory;
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usb_ehci_initfn(s, DEVICE(dev));
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sysbus_init_irq(dev, &s->irq);
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sysbus_init_mmio(dev, &s->mem);
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return 0;
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}
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static void ehci_sysbus_class_init(ObjectClass *klass, void *data)
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{
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DeviceClass *dc = DEVICE_CLASS(klass);
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SysBusDeviceClass *k = SYS_BUS_DEVICE_CLASS(klass);
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k->init = usb_ehci_sysbus_initfn;
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dc->vmsd = &vmstate_ehci_sysbus;
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dc->props = ehci_sysbus_properties;
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}
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TypeInfo ehci_xlnx_type_info = {
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.name = "xlnx,ps7-usb",
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.parent = TYPE_SYS_BUS_DEVICE,
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.instance_size = sizeof(EHCISysBusState),
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.class_init = ehci_sysbus_class_init,
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};
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static void ehci_sysbus_register_types(void)
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{
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type_register_static(&ehci_xlnx_type_info);
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}
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type_init(ehci_sysbus_register_types)
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