[v4,08/12] hw/isa/vt82c686: Instantiate USB functions in host device

Commit Message

Bernhard Beschow Aug. 31, 2022, 3:46 p.m. UTC

The USB functions can be enabled/disabled through the ISA function. Also
its interrupt routing can be influenced there.

Signed-off-by: Bernhard Beschow <[e-mail]>
---
 hw/isa/vt82c686.c   | 12 ++++++++++++
 hw/mips/fuloong2e.c |  3 ---
 hw/ppc/pegasos2.c   |  4 ----
 3 files changed, 12 insertions(+), 7 deletions(-)

Patch

diff --git a/hw/isa/vt82c686.c b/hw/isa/vt82c686.c
index 63c1e3b8ce..f05fd9948a 100644
--- a/hw/isa/vt82c686.c
+++ b/hw/isa/vt82c686.c
@@ -23,6 +23,7 @@ 
 #include "hw/intc/i8259.h"
 #include "hw/irq.h"
 #include "hw/dma/i8257.h"
+#include "hw/usb/hcd-uhci.h"
 #include "hw/timer/i8254.h"
 #include "hw/rtc/mc146818rtc.h"
 #include "migration/vmstate.h"
@@ -546,6 +547,7 @@  struct ViaISAState {
     qemu_irq *isa_irqs;
     ViaSuperIOState via_sio;
     PCIIDEState ide;
+    UHCIState uhci[2];
 };
 
 static const VMStateDescription vmstate_via = {
@@ -563,6 +565,8 @@  static void via_isa_init(Object *obj)
     ViaISAState *s = VIA_ISA(obj);
 
     object_initialize_child(obj, "ide", &s->ide, TYPE_VIA_IDE);
+    object_initialize_child(obj, "uhci1", &s->uhci[0], TYPE_VT82C686B_USB_UHCI);
+    object_initialize_child(obj, "uhci2", &s->uhci[1], TYPE_VT82C686B_USB_UHCI);
 }
 
 static const TypeInfo via_isa_info = {
@@ -629,6 +633,14 @@  static void via_isa_realize(PCIDevice *d, Error **errp)
     if (!qdev_realize(DEVICE(&s->ide), BUS(pci_bus), errp)) {
         return;
     }
+
+    /* Functions 2-3: USB Ports */
+    for (i = 0; i < ARRAY_SIZE(s->uhci); i++) {
+        qdev_prop_set_int32(DEVICE(&s->uhci[i]), "addr", d->devfn + 2 + i);
+        if (!qdev_realize(DEVICE(&s->uhci[i]), BUS(pci_bus), errp)) {
+            return;
+        }
+    }
 }
 
 /* TYPE_VT82C686B_ISA */
diff --git a/hw/mips/fuloong2e.c b/hw/mips/fuloong2e.c
index 6b7370f2aa..dc92223b76 100644
--- a/hw/mips/fuloong2e.c
+++ b/hw/mips/fuloong2e.c
@@ -208,9 +208,6 @@  static void vt82c686b_southbridge_init(PCIBus *pci_bus, int slot, qemu_irq intc,
     dev = PCI_DEVICE(object_resolve_path_component(OBJECT(via), "ide"));
     pci_ide_create_devs(dev);
 
-    pci_create_simple(pci_bus, PCI_DEVFN(slot, 2), TYPE_VT82C686B_USB_UHCI);
-    pci_create_simple(pci_bus, PCI_DEVFN(slot, 3), TYPE_VT82C686B_USB_UHCI);
-
     dev = pci_create_simple(pci_bus, PCI_DEVFN(slot, 4), TYPE_VT82C686B_PM);
     *i2c_bus = I2C_BUS(qdev_get_child_bus(DEVICE(dev), "i2c"));
 
diff --git a/hw/ppc/pegasos2.c b/hw/ppc/pegasos2.c
index 70776558c9..85cca6f7a6 100644
--- a/hw/ppc/pegasos2.c
+++ b/hw/ppc/pegasos2.c
@@ -168,10 +168,6 @@  static void pegasos2_init(MachineState *machine)
     dev = PCI_DEVICE(object_resolve_path_component(OBJECT(via), "ide"));
     pci_ide_create_devs(dev);
 
-    /* VT8231 function 2-3: USB Ports */
-    pci_create_simple(pci_bus, PCI_DEVFN(12, 2), TYPE_VT82C686B_USB_UHCI);
-    pci_create_simple(pci_bus, PCI_DEVFN(12, 3), TYPE_VT82C686B_USB_UHCI);
-
     /* VT8231 function 4: Power Management Controller */
     dev = pci_create_simple(pci_bus, PCI_DEVFN(12, 4), TYPE_VT8231_PM);
     i2c_bus = I2C_BUS(qdev_get_child_bus(DEVICE(dev), "i2c"));