static int bcma_nexus_attach(device_t dev) { int erom_rid; int error; struct resource *erom_res; const struct bhnd_chipid *cid = BHND_BUS_GET_CHIPID(device_get_parent(dev), dev); erom_rid = BCMA_NEXUS_EROM_RID; error = bus_set_resource(dev, SYS_RES_MEMORY, erom_rid, cid->enum_addr, BCMA_EROM_TABLE_SIZE); if (error != 0) { BHND_ERROR_DEV(dev, "failed to set EROM resource"); return (error); } /* Map the EROM resource and enumerate our children. */ BHND_DEBUG_DEV(dev, "erom enum address: %jx", cid->enum_addr); erom_res = bus_alloc_resource_any(dev, SYS_RES_MEMORY, &erom_rid, RF_ACTIVE); if (erom_res == NULL) { BHND_ERROR_DEV(dev, "failed to allocate EROM resource"); return (ENXIO); } BHND_DEBUG_DEV(dev, "erom scanning start address: %p", rman_get_virtual(erom_res)); error = bcma_add_children(dev, erom_res, BCMA_EROM_TABLE_START); /* Clean up */ bus_release_resource(dev, SYS_RES_MEMORY, erom_rid, erom_res); if (error) return (error); /* Call our superclass' implementation */ return (bcma_attach(dev)); }
/* Allocate region records for the given port, and add the port's memory * range to the mem_rman */ static int chipc_rman_init_regions (struct chipc_softc *sc, bhnd_port_type type, u_int port) { struct chipc_region *cr; rman_res_t start, end; u_int num_regions; int error; num_regions = bhnd_get_region_count(sc->dev, type, port); for (u_int region = 0; region < num_regions; region++) { /* Allocate new region record */ cr = chipc_alloc_region(sc, type, port, region); if (cr == NULL) return (ENODEV); /* Can't manage regions that cannot be allocated */ if (cr->cr_rid < 0) { BHND_DEBUG_DEV(sc->dev, "no rid for chipc region " "%s%u.%u", bhnd_port_type_name(type), port, region); chipc_free_region(sc, cr); continue; } /* Add to rman's managed range */ start = cr->cr_addr; end = cr->cr_end; if ((error = rman_manage_region(&sc->mem_rman, start, end))) { chipc_free_region(sc, cr); return (error); } /* Add to region list */ STAILQ_INSERT_TAIL(&sc->mem_regions, cr, cr_link); } return (0); }