ppc/pnv: Add a OCC model for POWER10

Our OCC model is very mininal and POWER10 can simply reuse the OCC
model we introduced for POWER9.

Reviewed-by: David Gibson <david@gibson.dropbear.id.au>
Signed-off-by: Cédric Le Goater <clg@kaod.org>

2 files changed, 26 insertions, 0 deletions

diff --git a/hw/ppc/pnv.c b/hw/ppc/pnv.c
index f486fdfb5c..2431a7a5a3 100644
--- a/hw/ppc/pnv.c
+++ b/hw/ppc/pnv.c
@@ -1582,6 +1582,7 @@ static void pnv_chip_power10_instance_init(Object *obj)
                               "xive-fabric");
     object_initialize_child(obj, "psi", &chip10->psi, TYPE_PNV10_PSI);
     object_initialize_child(obj, "lpc", &chip10->lpc, TYPE_PNV10_LPC);
+    object_initialize_child(obj, "occ",  &chip10->occ, TYPE_PNV10_OCC);
 }
 
 static void pnv_chip_power10_realize(DeviceState *dev, Error **errp)
@@ -1647,6 +1648,15 @@ static void pnv_chip_power10_realize(DeviceState *dev, Error **errp)
     chip->fw_mr = &chip10->lpc.isa_fw;
     chip->dt_isa_nodename = g_strdup_printf("/lpcm-opb@%" PRIx64 "/lpc@0",
                                             (uint64_t) PNV10_LPCM_BASE(chip));
+
+    /* Create the simplified OCC model */
+    object_property_set_link(OBJECT(&chip10->occ), "psi", OBJECT(&chip10->psi),
+                             &error_abort);
+    if (!qdev_realize(DEVICE(&chip10->occ), NULL, errp)) {
+        return;
+    }
+    pnv_xscom_add_subregion(chip, PNV10_XSCOM_OCC_BASE,
+                            &chip10->occ.xscom_regs);
 }
 
 static uint32_t pnv_chip_power10_xscom_pcba(PnvChip *chip, uint64_t addr)
diff --git a/hw/ppc/pnv_occ.c b/hw/ppc/pnv_occ.c
index 5a716c256e..4ed66f5e1f 100644
--- a/hw/ppc/pnv_occ.c
+++ b/hw/ppc/pnv_occ.c
@@ -236,7 +236,9 @@ static const MemoryRegionOps pnv_occ_power9_xscom_ops = {
 static void pnv_occ_power9_class_init(ObjectClass *klass, void *data)
 {
     PnvOCCClass *poc = PNV_OCC_CLASS(klass);
+    DeviceClass *dc = DEVICE_CLASS(klass);
 
+    dc->desc = "PowerNV OCC Controller (POWER9)";
     poc->xscom_size = PNV9_XSCOM_OCC_SIZE;
     poc->xscom_ops = &pnv_occ_power9_xscom_ops;
     poc->psi_irq = PSIHB9_IRQ_OCC;
@@ -249,6 +251,19 @@ static const TypeInfo pnv_occ_power9_type_info = {
     .class_init    = pnv_occ_power9_class_init,
 };
 
+static void pnv_occ_power10_class_init(ObjectClass *klass, void *data)
+{
+    DeviceClass *dc = DEVICE_CLASS(klass);
+
+    dc->desc = "PowerNV OCC Controller (POWER10)";
+}
+
+static const TypeInfo pnv_occ_power10_type_info = {
+    .name          = TYPE_PNV10_OCC,
+    .parent        = TYPE_PNV9_OCC,
+    .class_init    = pnv_occ_power10_class_init,
+};
+
 static void pnv_occ_realize(DeviceState *dev, Error **errp)
 {
     PnvOCC *occ = PNV_OCC(dev);
@@ -297,6 +312,7 @@ static void pnv_occ_register_types(void)
     type_register_static(&pnv_occ_type_info);
     type_register_static(&pnv_occ_power8_type_info);
     type_register_static(&pnv_occ_power9_type_info);
+    type_register_static(&pnv_occ_power10_type_info);
 }
 
 type_init(pnv_occ_register_types);