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hw/ppc/spapr: Use XHCI as host controller for new spapr machines

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The OHCI has some bugs and performance issues, so for
newer machines it's preferable to use XHCI instead.

Signed-off-by: Thomas Huth <thuth@redhat.com>
Signed-off-by: David Gibson <david@gibson.dropbear.id.au>
This commit is contained in:
Thomas Huth 2015-12-09 13:34:13 +01:00 committed by David Gibson
parent 4b23699c82
commit 57040d4513
2 changed files with 10 additions and 2 deletions
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7
hw/ppc/spapr.c
View File

@ -1917,7 +1917,11 @@ static void ppc_spapr_init(MachineState *machine)
}
if (machine->usb) {
if (smc->use_ohci_by_default) {
pci_create_simple(phb->bus, -1, "pci-ohci");
} else {
pci_create_simple(phb->bus, -1, "nec-usb-xhci");
}
if (spapr->has_graphics) {
USBBus *usb_bus = usb_bus_find(-1);
@ -2362,7 +2366,10 @@ static void spapr_machine_2_5_instance_options(MachineState *machine)
static void spapr_machine_2_5_class_options(MachineClass *mc)
{
sPAPRMachineClass *smc = SPAPR_MACHINE_CLASS(mc);
spapr_machine_2_6_class_options(mc);
smc->use_ohci_by_default = true;
SET_MACHINE_COMPAT(mc, SPAPR_COMPAT_2_5);
}

1
include/hw/ppc/spapr.h
View File

@ -36,6 +36,7 @@ struct sPAPRMachineClass {
/*< public >*/
bool dr_lmb_enabled; /* enable dynamic-reconfig/hotplug of LMBs */
bool use_ohci_by_default; /* use USB-OHCI instead of XHCI */
};
/**