static int
ofw_pcibus_attach(device_t dev)
{
device_t pcib;
struct ofw_pci_register pcir;
struct ofw_pcibus_devinfo *dinfo;
phandle_t node, child;
uint32_t clock;
u_int busno, domain, func, slot;
pcib = device_get_parent(dev);
domain = pcib_get_domain(dev);
busno = pcib_get_bus(dev);
if (bootverbose)
device_printf(dev, "domain=%d, physical bus=%d\n",
domain, busno);
node = ofw_bus_get_node(dev);
/*
* Add the PCI side of the host-PCI bridge itself to the bus.
* Note that we exclude the host-PCIe bridges here as these
* have no configuration space implemented themselves.
*/
if (strcmp(device_get_name(device_get_parent(pcib)), "nexus") == 0 &&
ofw_bus_get_type(pcib) != NULL &&
strcmp(ofw_bus_get_type(pcib), OFW_TYPE_PCIE) != 0 &&
(dinfo = (struct ofw_pcibus_devinfo *)pci_read_device(pcib,
domain, busno, 0, 0, sizeof(*dinfo))) != NULL) {
if (ofw_bus_gen_setup_devinfo(&dinfo->opd_obdinfo, node) != 0)
pci_freecfg((struct pci_devinfo *)dinfo);
else
pci_add_child(dev, (struct pci_devinfo *)dinfo);
}
if (OF_getprop(ofw_bus_get_node(pcib), "clock-frequency", &clock,
sizeof(clock)) == -1)
clock = 33000000;
for (child = OF_child(node); child != 0; child = OF_peer(child)) {
if (OF_getprop(child, "reg", &pcir, sizeof(pcir)) == -1)
continue;
slot = OFW_PCI_PHYS_HI_DEVICE(pcir.phys_hi);
func = OFW_PCI_PHYS_HI_FUNCTION(pcir.phys_hi);
/* Some OFW device trees contain dupes. */
if (pci_find_dbsf(domain, busno, slot, func) != NULL)
continue;
ofw_pcibus_setup_device(pcib, clock, busno, slot, func);
dinfo = (struct ofw_pcibus_devinfo *)pci_read_device(pcib,
domain, busno, slot, func, sizeof(*dinfo));
if (dinfo == NULL)
continue;
if (ofw_bus_gen_setup_devinfo(&dinfo->opd_obdinfo, child) !=
0) {
pci_freecfg((struct pci_devinfo *)dinfo);
continue;
}
pci_add_child(dev, (struct pci_devinfo *)dinfo);
}
return (bus_generic_attach(dev));
}
static int
cardbus_attach_card(device_t cbdev)
{
device_t brdev = device_get_parent(cbdev);
device_t child;
int bus, domain, slot, func;
int cardattached = 0;
int cardbusfunchigh = 0;
struct cardbus_softc *sc;
sc = device_get_softc(cbdev);
cardbus_detach_card(cbdev); /* detach existing cards */
POWER_ENABLE_SOCKET(brdev, cbdev);
domain = pcib_get_domain(cbdev);
bus = pcib_get_bus(cbdev);
slot = 0;
/* For each function, set it up and try to attach a driver to it */
for (func = 0; func <= cardbusfunchigh; func++) {
struct cardbus_devinfo *dinfo;
dinfo = (struct cardbus_devinfo *)
pci_read_device(brdev, domain, bus, slot, func,
sizeof(struct cardbus_devinfo));
if (dinfo == NULL)
continue;
if (dinfo->pci.cfg.mfdev)
cardbusfunchigh = PCI_FUNCMAX;
child = device_add_child(cbdev, NULL, -1);
if (child == NULL) {
DEVPRINTF((cbdev, "Cannot add child!\n"));
pci_freecfg((struct pci_devinfo *)dinfo);
continue;
}
dinfo->pci.cfg.dev = child;
resource_list_init(&dinfo->pci.resources);
device_set_ivars(child, dinfo);
cardbus_device_create(sc, dinfo, cbdev, child);
if (cardbus_do_cis(cbdev, child) != 0)
DEVPRINTF((cbdev, "Warning: Bogus CIS ignored\n"));
pci_cfg_save(dinfo->pci.cfg.dev, &dinfo->pci, 0);
pci_cfg_restore(dinfo->pci.cfg.dev, &dinfo->pci);
cardbus_device_setup_regs(&dinfo->pci.cfg);
pci_add_resources(cbdev, child, 1, dinfo->mprefetchable);
pci_print_verbose(&dinfo->pci);
if (device_probe_and_attach(child) == 0)
cardattached++;
else
pci_cfg_save(dinfo->pci.cfg.dev, &dinfo->pci, 1);
}
if (cardattached > 0)
return (0);
/* POWER_DISABLE_SOCKET(brdev, cbdev); */
return (ENOENT);
}
static void
ofw_pcibus_enum_devtree(device_t dev, u_int domain, u_int busno)
{
device_t pcib;
struct ofw_pci_register pcir;
struct ofw_pcibus_devinfo *dinfo;
phandle_t node, child;
u_int func, slot;
int intline;
pcib = device_get_parent(dev);
node = ofw_bus_get_node(dev);
for (child = OF_child(node); child != 0; child = OF_peer(child)) {
if (OF_getprop(child, "reg", &pcir, sizeof(pcir)) == -1)
continue;
slot = OFW_PCI_PHYS_HI_DEVICE(pcir.phys_hi);
func = OFW_PCI_PHYS_HI_FUNCTION(pcir.phys_hi);
/* Some OFW device trees contain dupes. */
if (pci_find_dbsf(domain, busno, slot, func) != NULL)
continue;
/*
* The preset in the intline register is usually bogus. Reset
* it such that the PCI code will reroute the interrupt if
* needed.
*/
intline = PCI_INVALID_IRQ;
if (OF_getproplen(child, "interrupts") > 0)
intline = 0;
PCIB_WRITE_CONFIG(pcib, busno, slot, func, PCIR_INTLINE,
intline, 1);
/*
* Now set up the PCI and OFW bus layer devinfo and add it
* to the PCI bus.
*/
dinfo = (struct ofw_pcibus_devinfo *)pci_read_device(pcib,
domain, busno, slot, func, sizeof(*dinfo));
if (dinfo == NULL)
continue;
if (ofw_bus_gen_setup_devinfo(&dinfo->opd_obdinfo, child) !=
0) {
pci_freecfg((struct pci_devinfo *)dinfo);
continue;
}
dinfo->opd_dma_tag = NULL;
pci_add_child(dev, (struct pci_devinfo *)dinfo);
/*
* Some devices don't have an intpin set, but do have
* interrupts. These are fully specified, and set in the
* interrupts property, so add that value to the device's
* resource list.
*/
if (dinfo->opd_dinfo.cfg.intpin == 0)
ofw_bus_intr_to_rl(dev, child,
&dinfo->opd_dinfo.resources, NULL);
}
}
