ppc/pnv: add a LPC Controller model for POWER9

[mirror_qemu.git] / hw / ppc / pnv.c

diff --git a/hw/ppc/pnv.c b/hw/ppc/pnv.c
index 6625562d276d0360378562ecebf91297b516b58d..918fae057b5c410bf5e973cc39720cb8bd5c20f3 100644 (file)
--- a/hw/ppc/pnv.c
+++ b/hw/ppc/pnv.c
@@ -306,6 +306,8 @@ static void pnv_chip_power9_dt_populate(PnvChip *chip, void *fdt)
     if (chip->ram_size) {
         pnv_dt_memory(fdt, chip->chip_id, chip->ram_start, chip->ram_size);
     }
+
+    pnv_dt_lpc(chip, fdt, 0);
 }
 
 static void pnv_dt_rtc(ISADevice *d, void *fdt, int lpc_off)
@@ -547,7 +549,8 @@ static ISABus *pnv_chip_power8nvl_isa_create(PnvChip *chip, Error **errp)
 
 static ISABus *pnv_chip_power9_isa_create(PnvChip *chip, Error **errp)
 {
-    return NULL;
+    Pnv9Chip *chip9 = PNV9_CHIP(chip);
+    return pnv_lpc_isa_create(&chip9->lpc, false, errp);
 }
 
 static ISABus *pnv_isa_create(PnvChip *chip, Error **errp)
@@ -948,6 +951,11 @@ static void pnv_chip_power9_instance_init(Object *obj)
                             TYPE_PNV9_PSI, &error_abort, NULL);
     object_property_add_const_link(OBJECT(&chip9->psi), "chip", obj,
                                    &error_abort);
+
+    object_initialize_child(obj, "lpc",  &chip9->lpc, sizeof(chip9->lpc),
+                            TYPE_PNV9_LPC, &error_abort, NULL);
+    object_property_add_const_link(OBJECT(&chip9->lpc), "psi",
+                                   OBJECT(&chip9->psi), &error_abort);
 }
 
 static void pnv_chip_power9_realize(DeviceState *dev, Error **errp)
@@ -992,6 +1000,18 @@ static void pnv_chip_power9_realize(DeviceState *dev, Error **errp)
     }
     pnv_xscom_add_subregion(chip, PNV9_XSCOM_PSIHB_BASE,
                             &PNV_PSI(psi9)->xscom_regs);
+
+    /* LPC */
+    object_property_set_bool(OBJECT(&chip9->lpc), true, "realized", &local_err);
+    if (local_err) {
+        error_propagate(errp, local_err);
+        return;
+    }
+    memory_region_add_subregion(get_system_memory(), PNV9_LPCM_BASE(chip),
+                                &chip9->lpc.xscom_regs);
+
+    chip->dt_isa_nodename = g_strdup_printf("/lpcm-opb@%" PRIx64 "/lpc@0",
+                                            (uint64_t) PNV9_LPCM_BASE(chip));
 }
 
 static void pnv_chip_power9_class_init(ObjectClass *klass, void *data)