uninorth: add ofw-addr property to allow correct fw path generation

Signed-off-by: Mark Cave-Ayland <mark.cave-ayland@ilande.co.uk>
Signed-off-by: David Gibson <david@gibson.dropbear.id.au>

hw/pci-host/uninorth.c

@@ -118,6 +118,13 @@ static void pci_unin_init_irqs(UNINHostState *s)
     }
 }
 
+static char *pci_unin_main_ofw_unit_address(const SysBusDevice *dev)
+{
+    UNINHostState *s = UNI_NORTH_PCI_HOST_BRIDGE(dev);
+
+    return g_strdup_printf("%x", s->ofw_addr);
+}
+
 static void pci_unin_main_realize(DeviceState *dev, Error **errp)
 {
     UNINHostState *s = UNI_NORTH_PCI_HOST_BRIDGE(dev);
@@ -455,12 +462,21 @@ static const TypeInfo unin_internal_pci_host_info = {
     },
 };
 
+static Property pci_unin_main_pci_host_props[] = {
+    DEFINE_PROP_UINT32("ofw-addr", UNINHostState, ofw_addr, -1),
+    DEFINE_PROP_END_OF_LIST()
+};
+
 static void pci_unin_main_class_init(ObjectClass *klass, void *data)
 {
     DeviceClass *dc = DEVICE_CLASS(klass);
+    SysBusDeviceClass *sbc = SYS_BUS_DEVICE_CLASS(klass);
 
     dc->realize = pci_unin_main_realize;
+    dc->props = pci_unin_main_pci_host_props;
     set_bit(DEVICE_CATEGORY_BRIDGE, dc->categories);
+    dc->fw_name = "pci";
+    sbc->explicit_ofw_unit_address = pci_unin_main_ofw_unit_address;
 }
 
 static const TypeInfo pci_unin_main_info = {

hw/ppc/mac_newworld.c

@@ -344,6 +344,7 @@ static void ppc_core99_init(MachineState *machine)
 
         /* Uninorth main bus */
         dev = qdev_create(NULL, TYPE_UNI_NORTH_PCI_HOST_BRIDGE);
+        qdev_prop_set_uint32(dev, "ofw-addr", 0xf2000000);
         object_property_set_link(OBJECT(dev), OBJECT(pic_dev), "pic",
                                  &error_abort);
         qdev_init_nofail(dev);

include/hw/pci-host/uninorth.h

@@ -49,6 +49,7 @@
 typedef struct UNINHostState {
     PCIHostState parent_obj;
 
+    uint32_t ofw_addr;
     OpenPICState *pic;
     qemu_irq irqs[4];
     MemoryRegion pci_mmio;