commit b892cecd4f85872e910d0d664f390e64d4f86a09
author John Grossman <johngro@google.com> Wed Apr 27 13:57:58 2016 -0700
committer Petr Hosek <phosek@google.com> Thu Apr 30 10:13:22 2020 -0700
tree 5fe51b3427a4ffd6515001eb23ee3f0454365918
parent fdd76fecdde1ad444ff4deb7f1c4f7e4a1ef97d6

Add USB host controller support to arm-virt

Allow a generic USB host controller to be instantiated on the PCIe bus
of the generic ARM virt platform.  May be enabled by saying "-machine
usb:on" somewhere in the arguments.

Change-Id: I11da1e6eab82e73afe3c74eb60d5d26919a9ca41

hw/arm/virt.c

diff --git a/hw/arm/virt.c b/hw/arm/virt.c
index 7dc96ab..693fc8c 100644
--- a/hw/arm/virt.c
+++ b/hw/arm/virt.c
@@ -1845,6 +1845,14 @@
 
     create_pcie(vms);
 
+    if (machine_usb(machine)) {
+        PCIBus *pci_bus = (PCIBus*)object_resolve_path_type("", TYPE_PCI_BUS, NULL);
+        if (!pci_bus)
+            error_report("No PCI bus available to add USB OHCI controller to.");
+        else
+            pci_create_simple(pci_bus, -1, "pci-ohci");
+    }
+
     if (has_ged && aarch64 && firmware_loaded && virt_is_acpi_enabled(vms)) {
         vms->acpi_dev = create_acpi_ged(vms);
     } else {