static int
simplebus_attach(device_t dev)
{
struct simplebus_softc *sc;
struct simplebus_devinfo *di;
phandle_t node;
device_t cdev;
node = ofw_bus_get_node(dev);
sc = device_get_softc(dev);
sc->dev = dev;
sc->node = node;
/*
* Some important numbers
*/
sc->acells = 2;
OF_getencprop(node, "#address-cells", &sc->acells, sizeof(sc->acells));
sc->scells = 1;
OF_getencprop(node, "#size-cells", &sc->scells, sizeof(sc->scells));
if (simplebus_fill_ranges(node, sc) < 0) {
device_printf(dev, "could not get ranges\n");
return (ENXIO);
}
/*
* In principle, simplebus could have an interrupt map, but ignore that
* for now
*/
for (node = OF_child(node); node > 0; node = OF_peer(node)) {
if ((di = simplebus_setup_dinfo(dev, node)) == NULL)
continue;
cdev = device_add_child(dev, NULL, -1);
if (cdev == NULL) {
device_printf(dev, "<%s>: device_add_child failed\n",
di->obdinfo.obd_name);
resource_list_free(&di->rl);
ofw_bus_gen_destroy_devinfo(&di->obdinfo);
free(di, M_DEVBUF);
continue;
}
device_set_ivars(cdev, di);
}
return (bus_generic_attach(dev));
}
device_t
simplebus_add_device(device_t dev, phandle_t node, u_int order,
const char *name, int unit, struct simplebus_devinfo *di)
{
struct simplebus_devinfo *ndi;
device_t cdev;
if ((ndi = simplebus_setup_dinfo(dev, node, di)) == NULL)
return (NULL);
cdev = device_add_child_ordered(dev, order, name, unit);
if (cdev == NULL) {
device_printf(dev, "<%s>: device_add_child failed\n",
ndi->obdinfo.obd_name);
resource_list_free(&ndi->rl);
ofw_bus_gen_destroy_devinfo(&ndi->obdinfo);
if (di == NULL)
free(ndi, M_DEVBUF);
return (NULL);
}
device_set_ivars(cdev, ndi);
return(cdev);
}