ppc/pnv: Move mapping of the PHB3 CQ regions under pnv_pbcq_realize()

This change will help us providing support for user created PHB3
devices.

Reviewed-by: Daniel Henrique Barboza <danielhb413@gmail.com>
Reviewed-by: Frederic Barrat <fbarrat@linux.ibm.com>
Signed-off-by: Cédric Le Goater <clg@kaod.org>
Message-Id: <20211213132830.108372-6-clg@kaod.org>
Signed-off-by: Cédric Le Goater <clg@kaod.org>

hw/pci-host/pnv_phb3_pbcq.c

@@ -284,6 +284,17 @@ static void pnv_pbcq_realize(DeviceState *dev, Error **errp)
     pnv_xscom_region_init(&pbcq->xscom_spci_regs, OBJECT(dev),
                           &pnv_pbcq_spci_xscom_ops, pbcq, name,
                           PNV_XSCOM_PBCQ_SPCI_SIZE);
+
+    /* Populate the XSCOM address space. */
+    pnv_xscom_add_subregion(phb->chip,
+                            PNV_XSCOM_PBCQ_NEST_BASE + 0x400 * phb->phb_id,
+                            &pbcq->xscom_nest_regs);
+    pnv_xscom_add_subregion(phb->chip,
+                            PNV_XSCOM_PBCQ_PCI_BASE + 0x400 * phb->phb_id,
+                            &pbcq->xscom_pci_regs);
+    pnv_xscom_add_subregion(phb->chip,
+                            PNV_XSCOM_PBCQ_SPCI_BASE + 0x040 * phb->phb_id,
+                            &pbcq->xscom_spci_regs);
 }
 
 static int pnv_pbcq_dt_xscom(PnvXScomInterface *dev, void *fdt,

hw/ppc/pnv.c

@@ -1226,7 +1226,6 @@ static void pnv_chip_power8_realize(DeviceState *dev, Error **errp)
     /* PHB3 controllers */
     for (i = 0; i < chip->num_phbs; i++) {
         PnvPHB3 *phb = &chip8->phbs[i];
-        PnvPBCQState *pbcq = &phb->pbcq;
 
         object_property_set_int(OBJECT(phb), "index", i, &error_fatal);
         object_property_set_int(OBJECT(phb), "chip-id", chip->chip_id,
@@ -1236,17 +1235,6 @@ static void pnv_chip_power8_realize(DeviceState *dev, Error **errp)
         if (!sysbus_realize(SYS_BUS_DEVICE(phb), errp)) {
             return;
         }
-
-        /* Populate the XSCOM address space. */
-        pnv_xscom_add_subregion(chip,
-                                PNV_XSCOM_PBCQ_NEST_BASE + 0x400 * phb->phb_id,
-                                &pbcq->xscom_nest_regs);
-        pnv_xscom_add_subregion(chip,
-                                PNV_XSCOM_PBCQ_PCI_BASE + 0x400 * phb->phb_id,
-                                &pbcq->xscom_pci_regs);
-        pnv_xscom_add_subregion(chip,
-                                PNV_XSCOM_PBCQ_SPCI_BASE + 0x040 * phb->phb_id,
-                                &pbcq->xscom_spci_regs);
     }
 }