diff options
author | Bernhard Beschow <shentey@gmail.com> | 2023-10-07 14:38:20 +0200 |
---|---|---|
committer | Michael S. Tsirkin <mst@redhat.com> | 2023-10-22 05:18:17 -0400 |
commit | 6fe4464c05f45e726fcfa4a7927f4ed27444a0ca (patch) | |
tree | cd670f30624899f2c54c572bcb38e99e06ff2172 /hw/isa | |
parent | e47e5a5b79ffd6b3ca72ea383e3c756b68402735 (diff) | |
download | qemu-6fe4464c05f45e726fcfa4a7927f4ed27444a0ca.zip qemu-6fe4464c05f45e726fcfa4a7927f4ed27444a0ca.tar.gz qemu-6fe4464c05f45e726fcfa4a7927f4ed27444a0ca.tar.bz2 |
hw/isa/piix3: Create USB controller in host device
The USB controller is an integral part of PIIX3 (function 2). So create
it as part of the south bridge.
Note that the USB function is optional in QEMU. This is why it gets
object_initialize_child()'ed in realize rather than in instance_init.
Signed-off-by: Bernhard Beschow <shentey@gmail.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Message-Id: <20231007123843.127151-13-shentey@gmail.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
Diffstat (limited to 'hw/isa')
-rw-r--r-- | hw/isa/Kconfig | 1 | ||||
-rw-r--r-- | hw/isa/piix3.c | 16 |
2 files changed, 17 insertions, 0 deletions
diff --git a/hw/isa/Kconfig b/hw/isa/Kconfig index 28345ed..1076df6 100644 --- a/hw/isa/Kconfig +++ b/hw/isa/Kconfig @@ -37,6 +37,7 @@ config PIIX3 select IDE_PIIX select ISA_BUS select MC146818RTC + select USB_UHCI config PIIX4 bool diff --git a/hw/isa/piix3.c b/hw/isa/piix3.c index 3f1daba..aebc0da 100644 --- a/hw/isa/piix3.c +++ b/hw/isa/piix3.c @@ -298,6 +298,16 @@ static void pci_piix3_realize(PCIDevice *dev, Error **errp) if (!qdev_realize(DEVICE(&d->ide), BUS(pci_bus), errp)) { return; } + + /* USB */ + if (d->has_usb) { + object_initialize_child(OBJECT(dev), "uhci", &d->uhci, + TYPE_PIIX3_USB_UHCI); + qdev_prop_set_int32(DEVICE(&d->uhci), "addr", dev->devfn + 2); + if (!qdev_realize(DEVICE(&d->uhci), BUS(pci_bus), errp)) { + return; + } + } } static void build_pci_isa_aml(AcpiDevAmlIf *adev, Aml *scope) @@ -332,6 +342,11 @@ static void pci_piix3_init(Object *obj) object_initialize_child(obj, "ide", &d->ide, TYPE_PIIX3_IDE); } +static Property pci_piix3_props[] = { + DEFINE_PROP_BOOL("has-usb", PIIX3State, has_usb, true), + DEFINE_PROP_END_OF_LIST(), +}; + static void pci_piix3_class_init(ObjectClass *klass, void *data) { DeviceClass *dc = DEVICE_CLASS(klass); @@ -352,6 +367,7 @@ static void pci_piix3_class_init(ObjectClass *klass, void *data) * pc_piix.c's pc_init1() */ dc->user_creatable = false; + device_class_set_props(dc, pci_piix3_props); adevc->build_dev_aml = build_pci_isa_aml; } |