Function localbus_attach

freebsd/arm/mv/mv_localbus.c:252–310

}

static int
localbus_attach(device_t dev)
{
	device_t dev_child;
	struct localbus_softc *sc;
	struct localbus_devinfo *di;
	phandle_t dt_node, dt_child;

	sc = device_get_softc(dev);
	sc->sc_dev = dev;
	sc->sc_banks = localbus_banks;

	/*
	 * Walk localbus and add direct subordinates as our children.
	 */
	dt_node = ofw_bus_get_node(dev);
	for (dt_child = OF_child(dt_node); dt_child != 0;
	    dt_child = OF_peer(dt_child)) {
		/* Check and process 'status' property. */
		if (!(ofw_bus_node_status_okay(dt_child)))
			continue;

		if (!(mv_fdt_pm(dt_child)))
			continue;

		di = malloc(sizeof(*di), M_LOCALBUS, M_WAITOK | M_ZERO);
		if (ofw_bus_gen_setup_devinfo(&di->di_ofw, dt_child) != 0) {
			free(di, M_LOCALBUS);
			device_printf(dev, "could not set up devinfo\n");
			continue;
		}

		resource_list_init(&di->di_res);
		if (fdt_localbus_reg_decode(dt_child, sc, di)) {
			device_printf(dev, "could not process 'reg' "
			    "property\n");
			ofw_bus_gen_destroy_devinfo(&di->di_ofw);
			free(di, M_LOCALBUS);
			continue;
		}

		/* Add newbus device for this FDT node */
		dev_child = device_add_child(dev, NULL, -1);
		if (dev_child == NULL) {
			device_printf(dev, "could not add child: %s\n",
			    di->di_ofw.obd_name);
			resource_list_free(&di->di_res);
			ofw_bus_gen_destroy_devinfo(&di->di_ofw);
			free(di, M_LOCALBUS);
			continue;
		}
#ifdef DEBUG
		device_printf(dev, "added child: %s\n\n", di->di_ofw.obd_name);
#endif
		device_set_ivars(dev_child, di);
	}

	return (bus_generic_attach(dev));