static struct ofw_gpiobus_devinfo * ofw_gpiobus_setup_devinfo(device_t bus, device_t child, phandle_t node) { int i, npins; struct gpiobus_ivar *devi; struct gpiobus_pin *pins; struct gpiobus_softc *sc; struct ofw_gpiobus_devinfo *dinfo; sc = device_get_softc(bus); dinfo = malloc(sizeof(*dinfo), M_DEVBUF, M_NOWAIT | M_ZERO); if (dinfo == NULL) return (NULL); if (ofw_bus_gen_setup_devinfo(&dinfo->opd_obdinfo, node) != 0) { free(dinfo, M_DEVBUF); return (NULL); } /* Parse the gpios property for the child. */ npins = ofw_gpiobus_parse_gpios_impl(child, node, "gpios", sc, &pins); if (npins <= 0) { ofw_bus_gen_destroy_devinfo(&dinfo->opd_obdinfo); free(dinfo, M_DEVBUF); return (NULL); } /* Initialize the irq resource list. */ resource_list_init(&dinfo->opd_dinfo.rl); /* Allocate the child ivars and copy the parsed pin data. */ devi = &dinfo->opd_dinfo; devi->npins = (uint32_t)npins; if (gpiobus_alloc_ivars(devi) != 0) { free(pins, M_DEVBUF); ofw_gpiobus_destroy_devinfo(bus, dinfo); return (NULL); } for (i = 0; i < devi->npins; i++) { devi->flags[i] = pins[i].flags; devi->pins[i] = pins[i].pin; } free(pins, M_DEVBUF); #ifndef INTRNG /* Parse the interrupt resources. */ if (ofw_bus_intr_to_rl(bus, node, &dinfo->opd_dinfo.rl, NULL) != 0) { ofw_gpiobus_destroy_devinfo(bus, dinfo); return (NULL); } #endif device_set_ivars(child, dinfo); return (dinfo); }
static int mdionexus_ofw_bus_attach(device_t dev) { struct simplebus_softc *sc; struct mdionexus_ofw_devinfo *di; device_t child; phandle_t parent, node; parent = ofw_bus_get_node(dev); simplebus_init(dev, parent); sc = (struct simplebus_softc *)device_get_softc(dev); if (mdionexus_ofw_fill_ranges(parent, sc) < 0) { device_printf(dev, "could not get ranges\n"); return (ENXIO); } /* Iterate through all bus subordinates */ for (node = OF_child(parent); node > 0; node = OF_peer(node)) { /* Allocate and populate devinfo. */ di = malloc(sizeof(*di), M_THUNDER_MDIO, M_WAITOK | M_ZERO); if (ofw_bus_gen_setup_devinfo(&di->di_dinfo, node) != 0) { free(di, M_THUNDER_MDIO); continue; } /* Initialize and populate resource list. */ resource_list_init(&di->di_rl); ofw_bus_reg_to_rl(dev, node, sc->acells, sc->scells, &di->di_rl); #ifndef INTRNG ofw_bus_intr_to_rl(dev, node, &di->di_rl, NULL); #endif /* Add newbus device for this FDT node */ child = device_add_child(dev, NULL, -1); if (child == NULL) { resource_list_free(&di->di_rl); ofw_bus_gen_destroy_devinfo(&di->di_dinfo); free(di, M_THUNDER_MDIO); continue; } device_set_ivars(child, di); } return (0); }
struct simplebus_devinfo * simplebus_setup_dinfo(device_t dev, phandle_t node, struct simplebus_devinfo *di) { struct simplebus_softc *sc; struct simplebus_devinfo *ndi; sc = device_get_softc(dev); if (di == NULL) ndi = malloc(sizeof(*ndi), M_DEVBUF, M_WAITOK | M_ZERO); else ndi = di; if (ofw_bus_gen_setup_devinfo(&ndi->obdinfo, node) != 0) { if (di == NULL) free(ndi, M_DEVBUF); return (NULL); } resource_list_init(&ndi->rl); ofw_bus_reg_to_rl(dev, node, sc->acells, sc->scells, &ndi->rl); ofw_bus_intr_to_rl(dev, node, &ndi->rl, NULL); return (ndi); }
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); } }
static int ofw_iicbus_attach(device_t dev) { struct iicbus_softc *sc = IICBUS_SOFTC(dev); struct ofw_iicbus_devinfo *dinfo; phandle_t child, node, root; pcell_t freq, paddr; device_t childdev; ssize_t compatlen; char compat[255]; char *curstr; u_int iic_addr_8bit = 0; sc->dev = dev; mtx_init(&sc->lock, "iicbus", NULL, MTX_DEF); /* * If there is a clock-frequency property for the device node, use it as * the starting value for the bus frequency. Then call the common * routine that handles the tunable/sysctl which allows the FDT value to * be overridden by the user. */ node = ofw_bus_get_node(dev); freq = 0; OF_getencprop(node, "clock-frequency", &freq, sizeof(freq)); iicbus_init_frequency(dev, freq); iicbus_reset(dev, IIC_FASTEST, 0, NULL); bus_generic_probe(dev); bus_enumerate_hinted_children(dev); /* * Check if we're running on a PowerMac, needed for the I2C * address below. */ root = OF_peer(0); compatlen = OF_getprop(root, "compatible", compat, sizeof(compat)); if (compatlen != -1) { for (curstr = compat; curstr < compat + compatlen; curstr += strlen(curstr) + 1) { if (strncmp(curstr, "MacRISC", 7) == 0) iic_addr_8bit = 1; } } /* * Attach those children represented in the device tree. */ for (child = OF_child(node); child != 0; child = OF_peer(child)) { /* * Try to get the I2C address first from the i2c-address * property, then try the reg property. It moves around * on different systems. */ if (OF_getencprop(child, "i2c-address", &paddr, sizeof(paddr)) == -1) if (OF_getencprop(child, "reg", &paddr, sizeof(paddr)) == -1) continue; /* * Now set up the I2C and OFW bus layer devinfo and add it * to the bus. */ dinfo = malloc(sizeof(struct ofw_iicbus_devinfo), M_DEVBUF, M_NOWAIT | M_ZERO); if (dinfo == NULL) continue; /* * FreeBSD drivers expect I2C addresses to be expressed as * 8-bit values. Apple OFW data contains 8-bit values, but * Linux FDT data contains 7-bit values, so shift them up to * 8-bit format. */ if (iic_addr_8bit) dinfo->opd_dinfo.addr = paddr; else dinfo->opd_dinfo.addr = paddr << 1; if (ofw_bus_gen_setup_devinfo(&dinfo->opd_obdinfo, child) != 0) { free(dinfo, M_DEVBUF); continue; } childdev = device_add_child(dev, NULL, -1); resource_list_init(&dinfo->opd_dinfo.rl); ofw_bus_intr_to_rl(childdev, child, &dinfo->opd_dinfo.rl, NULL); device_set_ivars(childdev, dinfo); } /* Register bus */ OF_device_register_xref(OF_xref_from_node(node), dev); return (bus_generic_attach(dev)); }
static int qman_portals_fdt_attach(device_t dev) { struct dpaa_portals_softc *sc; phandle_t node, child, cpu_node; vm_paddr_t portal_pa, portal_par_pa; vm_size_t portal_size; uint32_t addr, paddr, size; ihandle_t cpu; int cpu_num, cpus, intr_rid; struct dpaa_portals_devinfo di; struct ofw_bus_devinfo ofw_di = {}; cell_t *range; int nrange; int i; cpus = 0; sc = device_get_softc(dev); sc->sc_dev = dev; node = ofw_bus_get_node(dev); /* Get this node's range */ get_addr_props(ofw_bus_get_node(device_get_parent(dev)), &paddr, &size); get_addr_props(node, &addr, &size); nrange = OF_getencprop_alloc(node, "ranges", sizeof(*range), (void **)&range); if (nrange < addr + paddr + size) return (ENXIO); portal_pa = portal_par_pa = 0; portal_size = 0; for (i = 0; i < addr; i++) { portal_pa <<= 32; portal_pa |= range[i]; } for (; i < paddr + addr; i++) { portal_par_pa <<= 32; portal_par_pa |= range[i]; } portal_pa += portal_par_pa; for (; i < size + paddr + addr; i++) { portal_size = (uintmax_t)portal_size << 32; portal_size |= range[i]; } OF_prop_free(range); sc->sc_dp_size = portal_size; sc->sc_dp_pa = portal_pa; /* Find portals tied to CPUs */ for (child = OF_child(node); child != 0; child = OF_peer(child)) { if (cpus >= mp_ncpus) break; if (!ofw_bus_node_is_compatible(child, "fsl,qman-portal")) { continue; } /* Checkout related cpu */ if (OF_getprop(child, "cpu-handle", (void *)&cpu, sizeof(cpu)) <= 0) { cpu = qman_portal_find_cpu(cpus); if (cpu <= 0) continue; } /* Acquire cpu number */ cpu_node = OF_instance_to_package(cpu); if (OF_getencprop(cpu_node, "reg", &cpu_num, sizeof(cpu_num)) <= 0) { device_printf(dev, "Could not retrieve CPU number.\n"); return (ENXIO); } cpus++; if (ofw_bus_gen_setup_devinfo(&ofw_di, child) != 0) { device_printf(dev, "could not set up devinfo\n"); continue; } resource_list_init(&di.di_res); if (ofw_bus_reg_to_rl(dev, child, addr, size, &di.di_res)) { device_printf(dev, "%s: could not process 'reg' " "property\n", ofw_di.obd_name); ofw_bus_gen_destroy_devinfo(&ofw_di); continue; } if (ofw_bus_intr_to_rl(dev, child, &di.di_res, &intr_rid)) { device_printf(dev, "%s: could not process " "'interrupts' property\n", ofw_di.obd_name); resource_list_free(&di.di_res); ofw_bus_gen_destroy_devinfo(&ofw_di); continue; } di.di_intr_rid = intr_rid; if (dpaa_portal_alloc_res(dev, &di, cpu_num)) goto err; } ofw_bus_gen_destroy_devinfo(&ofw_di); return (qman_portals_attach(dev)); err: resource_list_free(&di.di_res); ofw_bus_gen_destroy_devinfo(&ofw_di); qman_portals_detach(dev); return (ENXIO); }
static int qman_portals_fdt_attach(device_t dev) { struct dpaa_portals_softc *sc; struct resource_list_entry *rle; phandle_t node, child, cpu_node; vm_paddr_t portal_pa; vm_size_t portal_size; uint32_t addr, size; ihandle_t cpu; int cpu_num, cpus, intr_rid; struct dpaa_portals_devinfo di; struct ofw_bus_devinfo ofw_di = {}; cpus = 0; sc = device_get_softc(dev); sc->sc_dev = dev; node = ofw_bus_get_node(dev); get_addr_props(node, &addr, &size); /* Find portals tied to CPUs */ for (child = OF_child(node); child != 0; child = OF_peer(child)) { if (!fdt_is_compatible(child, "fsl,qman-portal")) { continue; } /* Checkout related cpu */ if (OF_getprop(child, "cpu-handle", (void *)&cpu, sizeof(cpu)) <= 0) { continue; } /* Acquire cpu number */ cpu_node = OF_instance_to_package(cpu); if (OF_getencprop(cpu_node, "reg", &cpu_num, sizeof(cpu_num)) <= 0) { device_printf(dev, "Could not retrieve CPU number.\n"); return (ENXIO); } cpus++; if (cpus > MAXCPU) break; if (ofw_bus_gen_setup_devinfo(&ofw_di, child) != 0) { device_printf(dev, "could not set up devinfo\n"); continue; } resource_list_init(&di.di_res); if (ofw_bus_reg_to_rl(dev, child, addr, size, &di.di_res)) { device_printf(dev, "%s: could not process 'reg' " "property\n", ofw_di.obd_name); ofw_bus_gen_destroy_devinfo(&ofw_di); continue; } if (ofw_bus_intr_to_rl(dev, child, &di.di_res, &intr_rid)) { device_printf(dev, "%s: could not process " "'interrupts' property\n", ofw_di.obd_name); resource_list_free(&di.di_res); ofw_bus_gen_destroy_devinfo(&ofw_di); continue; } di.di_intr_rid = intr_rid; ofw_reg_to_paddr(child, 0, &portal_pa, &portal_size, NULL); rle = resource_list_find(&di.di_res, SYS_RES_MEMORY, 0); if (sc->sc_dp_pa == 0) sc->sc_dp_pa = portal_pa - rle->start; portal_size = rle->end + 1; rle = resource_list_find(&di.di_res, SYS_RES_MEMORY, 1); portal_size = ulmax(rle->end + 1, portal_size); sc->sc_dp_size = ulmax(sc->sc_dp_size, portal_size); if (dpaa_portal_alloc_res(dev, &di, cpu_num)) goto err; } ofw_bus_gen_destroy_devinfo(&ofw_di); return (qman_portals_attach(dev)); err: resource_list_free(&di.di_res); ofw_bus_gen_destroy_devinfo(&ofw_di); qman_portals_detach(dev); return (ENXIO); }
static int ofw_iicbus_attach(device_t dev) { struct iicbus_softc *sc = IICBUS_SOFTC(dev); struct ofw_iicbus_devinfo *dinfo; phandle_t child, node; pcell_t freq, paddr; device_t childdev; sc->dev = dev; mtx_init(&sc->lock, "iicbus", NULL, MTX_DEF); /* * If there is a clock-frequency property for the device node, use it as * the starting value for the bus frequency. Then call the common * routine that handles the tunable/sysctl which allows the FDT value to * be overridden by the user. */ node = ofw_bus_get_node(dev); freq = 0; OF_getencprop(node, "clock-frequency", &freq, sizeof(freq)); iicbus_init_frequency(dev, freq); iicbus_reset(dev, IIC_FASTEST, 0, NULL); bus_generic_probe(dev); bus_enumerate_hinted_children(dev); /* * Attach those children represented in the device tree. */ for (child = OF_child(node); child != 0; child = OF_peer(child)) { /* * Try to get the I2C address first from the i2c-address * property, then try the reg property. It moves around * on different systems. */ if (OF_getencprop(child, "i2c-address", &paddr, sizeof(paddr)) == -1) if (OF_getencprop(child, "reg", &paddr, sizeof(paddr)) == -1) continue; /* * Now set up the I2C and OFW bus layer devinfo and add it * to the bus. */ dinfo = malloc(sizeof(struct ofw_iicbus_devinfo), M_DEVBUF, M_NOWAIT | M_ZERO); if (dinfo == NULL) continue; /* * FreeBSD drivers expect I2C addresses to be expressed as * 8-bit values. Apple OFW data contains 8-bit values, but * Linux FDT data contains 7-bit values, so shift them up to * 8-bit format. */ #ifdef AIM dinfo->opd_dinfo.addr = paddr; #else dinfo->opd_dinfo.addr = paddr << 1; #endif if (ofw_bus_gen_setup_devinfo(&dinfo->opd_obdinfo, child) != 0) { free(dinfo, M_DEVBUF); continue; } childdev = device_add_child(dev, NULL, -1); resource_list_init(&dinfo->opd_dinfo.rl); ofw_bus_intr_to_rl(childdev, child, &dinfo->opd_dinfo.rl, NULL); device_set_ivars(childdev, dinfo); } return (bus_generic_attach(dev)); }