mac_newworld: delay wiring of PCI IRQs in New World machine

In order to move the OpenPIC device to the macio device, the PCI bus needs to be
initialised before the macio device and also before wiring the OpenPIC IRQs.

Signed-off-by: Mark Cave-Ayland <mark.cave-ayland@ilande.co.uk>
Reviewed-by: David Gibson <david@gibson.dropbear.id.au>
Message-Id: <20201229175619.6051-5-mark.cave-ayland@ilande.co.uk>
Signed-off-by: Mark Cave-Ayland <mark.cave-ayland@ilande.co.uk>

hw/ppc/mac_newworld.c

@@ -139,6 +139,7 @@ static void ppc_core99_init(MachineState *machine)
     int machine_arch;
     SysBusDevice *s;
     DeviceState *dev, *pic_dev;
+    DeviceState *uninorth_internal_dev = NULL, *uninorth_agp_dev = NULL;
     hwaddr nvram_addr = 0xFFF04000;
     uint64_t tbfreq;
     unsigned int smp_cpus = machine->smp.cpus;
@@ -320,35 +321,24 @@ static void ppc_core99_init(MachineState *machine)
         sysbus_mmio_map(s, 0, 0xf0800000);
         sysbus_mmio_map(s, 1, 0xf0c00000);
 
-        for (i = 0; i < 4; i++) {
-            qdev_connect_gpio_out(dev, i, qdev_get_gpio_in(pic_dev, 0x1b + i));
-        }
-
         machine_arch = ARCH_MAC99_U3;
     } else {
         /* Use values found on a real PowerMac */
         /* Uninorth AGP bus */
-        dev = qdev_new(TYPE_UNI_NORTH_AGP_HOST_BRIDGE);
-        s = SYS_BUS_DEVICE(dev);
+        uninorth_agp_dev = qdev_new(TYPE_UNI_NORTH_AGP_HOST_BRIDGE);
+        s = SYS_BUS_DEVICE(uninorth_agp_dev);
         sysbus_realize_and_unref(s, &error_fatal);
         sysbus_mmio_map(s, 0, 0xf0800000);
         sysbus_mmio_map(s, 1, 0xf0c00000);
 
-        for (i = 0; i < 4; i++) {
-            qdev_connect_gpio_out(dev, i, qdev_get_gpio_in(pic_dev, 0x1b + i));
-        }
-
         /* Uninorth internal bus */
-        dev = qdev_new(TYPE_UNI_NORTH_INTERNAL_PCI_HOST_BRIDGE);
-        s = SYS_BUS_DEVICE(dev);
+        uninorth_internal_dev = qdev_new(
+                                TYPE_UNI_NORTH_INTERNAL_PCI_HOST_BRIDGE);
+        s = SYS_BUS_DEVICE(uninorth_internal_dev);
         sysbus_realize_and_unref(s, &error_fatal);
         sysbus_mmio_map(s, 0, 0xf4800000);
         sysbus_mmio_map(s, 1, 0xf4c00000);
 
-        for (i = 0; i < 4; i++) {
-            qdev_connect_gpio_out(dev, i, qdev_get_gpio_in(pic_dev, 0x1b + i));
-        }
-
         /* Uninorth main bus */
         dev = qdev_new(TYPE_UNI_NORTH_PCI_HOST_BRIDGE);
         qdev_prop_set_uint32(dev, "ofw-addr", 0xf2000000);
@@ -364,10 +354,6 @@ static void ppc_core99_init(MachineState *machine)
         sysbus_mmio_map(s, 0, 0xf2800000);
         sysbus_mmio_map(s, 1, 0xf2c00000);
 
-        for (i = 0; i < 4; i++) {
-            qdev_connect_gpio_out(dev, i, qdev_get_gpio_in(pic_dev, 0x1b + i));
-        }
-
         machine_arch = ARCH_MAC99;
     }
 
@@ -401,6 +387,26 @@ static void ppc_core99_init(MachineState *machine)
 
     pci_realize_and_unref(macio, pci_bus, &error_fatal);
 
+    for (i = 0; i < 4; i++) {
+        qdev_connect_gpio_out(DEVICE(uninorth_pci), i,
+                              qdev_get_gpio_in(pic_dev, 0x1b + i));
+    }
+
+    /* TODO: additional PCI buses only wired up for 32-bit machines */
+    if (PPC_INPUT(env) != PPC_FLAGS_INPUT_970) {
+        /* Uninorth AGP bus */
+        for (i = 0; i < 4; i++) {
+            qdev_connect_gpio_out(uninorth_agp_dev, i,
+                                  qdev_get_gpio_in(pic_dev, 0x1b + i));
+        }
+
+        /* Uninorth internal bus */
+        for (i = 0; i < 4; i++) {
+            qdev_connect_gpio_out(uninorth_internal_dev, i,
+                                  qdev_get_gpio_in(pic_dev, 0x1b + i));
+        }
+    }
+
     /* We only emulate 2 out of 3 IDE controllers for now */
     ide_drive_get(hd, ARRAY_SIZE(hd));