static int
nexus_attach(device_t dev)
{
struct nexus_devinfo *ndi;
struct nexus_softc *sc;
device_t cdev;
phandle_t node;
if (strcmp(device_get_name(device_get_parent(dev)), "root") == 0) {
node = OF_peer(0);
if (node == -1)
panic("%s: OF_peer failed.", __func__);
sc = device_get_softc(dev);
sc->sc_intr_rman.rm_type = RMAN_ARRAY;
sc->sc_intr_rman.rm_descr = "Interrupts";
sc->sc_mem_rman.rm_type = RMAN_ARRAY;
sc->sc_mem_rman.rm_descr = "Device Memory";
if (rman_init(&sc->sc_intr_rman) != 0 ||
rman_init(&sc->sc_mem_rman) != 0 ||
rman_manage_region(&sc->sc_intr_rman, 0,
IV_MAX - 1) != 0 ||
rman_manage_region(&sc->sc_mem_rman, 0ULL, ~0ULL) != 0)
panic("%s: failed to set up rmans.", __func__);
} else
node = ofw_bus_get_node(dev);
/*
* Allow devices to identify.
*/
bus_generic_probe(dev);
/*
* Now walk the OFW tree and attach top-level devices.
*/
for (node = OF_child(node); node > 0; node = OF_peer(node)) {
if ((ndi = nexus_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",
ndi->ndi_obdinfo.obd_name);
nexus_destroy_dinfo(ndi);
continue;
}
device_set_ivars(cdev, ndi);
}
return (bus_generic_attach(dev));
}
static int
nexus_attach(device_t dev)
{
struct nexus_devinfo *ndi;
struct nexus_softc *sc;
device_t cdev;
phandle_t node;
sc = device_get_softc(dev);
if (strcmp(device_get_name(device_get_parent(dev)), "root") == 0) {
node = OF_peer(0);
sc->sc_intr_rman.rm_type = RMAN_ARRAY;
sc->sc_intr_rman.rm_descr = "Interrupts";
sc->sc_mem_rman.rm_type = RMAN_ARRAY;
sc->sc_mem_rman.rm_descr = "Device Memory";
if (rman_init(&sc->sc_intr_rman) != 0 ||
rman_init(&sc->sc_mem_rman) != 0 ||
rman_manage_region(&sc->sc_intr_rman, 0, ~0) != 0 ||
rman_manage_region(&sc->sc_mem_rman, 0, BUS_SPACE_MAXADDR)
!= 0)
panic("%s: failed to set up rmans.", __func__);
} else
node = ofw_bus_get_node(dev);
/*
* Allow devices to identify.
*/
bus_generic_probe(dev);
/*
* If no Open Firmware, bail early
*/
if (node == -1)
return (bus_generic_attach(dev));
/*
* Some important numbers
*/
sc->acells = 2;
OF_getprop(node, "#address-cells", &sc->acells, sizeof(sc->acells));
sc->scells = 1;
OF_getprop(node, "#size-cells", &sc->scells, sizeof(sc->scells));
/*
* Now walk the OFW tree and attach top-level devices.
*/
for (node = OF_child(node); node > 0; node = OF_peer(node)) {
if ((ndi = nexus_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",
ndi->ndi_obdinfo.obd_name);
nexus_destroy_dinfo(ndi);
continue;
}
device_set_ivars(cdev, ndi);
}
return (bus_generic_attach(dev));
}
