/* $OpenBSD: if_ae_nubus.c,v 1.7 1997/05/01 18:32:49 briggs Exp $ */ /* $NetBSD: if_ae_nubus.c,v 1.17 1997/05/01 18:17:16 briggs Exp $ */ /* * Copyright (C) 1997 Scott Reynolds * All rights reserved. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * 1. Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. * 2. Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in the * documentation and/or other materials provided with the distribution. * 3. All advertising materials mentioning features or use of this software * must display the following acknowledgement: * This product includes software developed by Scott Reynolds for * the NetBSD Project. * 4. The name of the author may not be used to endorse or promote products * derived from this software without specific prior written permission. * * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. */ /* * Some parts are derived from code adapted for MacBSD by Brad Parker * . * * Currently supports: * Apple NB Ethernet Card * Apple NB Ethernet Card II * Interlan A310 NuBus Ethernet card * Cayman Systems GatorCard * Asante MacCon II/E * Kinetics EtherPort SE/30 */ #include #include #include #include #include #include #include #include #ifdef INET #include #include #endif #include #include #include "nubus.h" #include #include "if_aereg.h" #include "if_aevar.h" static int ae_nubus_match __P((struct device *, void *, void *)); static void ae_nubus_attach __P((struct device *, struct device *, void *)); static int ae_nb_card_vendor __P((struct nubus_attach_args *)); static int ae_nb_get_enaddr __P((struct nubus_attach_args *, u_int8_t *)); #ifdef DEBUG static void ae_nb_watchdog __P((struct ifnet *)); #endif struct cfattach ae_nubus_ca = { sizeof(struct ae_softc), ae_nubus_match, ae_nubus_attach }; static int ae_nubus_match(parent, vcf, aux) struct device *parent; void *vcf; void *aux; { struct nubus_attach_args *na = (struct nubus_attach_args *) aux; bus_space_handle_t bsh; int rv; if (bus_space_map(na->na_tag, NUBUS_SLOT2PA(na->slot), NBMEMSIZE, 0, &bsh)) return (0); rv = 0; if (na->category == NUBUS_CATEGORY_NETWORK && na->type == NUBUS_TYPE_ETHERNET) { switch (ae_nb_card_vendor(na)) { case AE_VENDOR_APPLE: case AE_VENDOR_ASANTE: case AE_VENDOR_FARALLON: case AE_VENDOR_INTERLAN: case AE_VENDOR_KINETICS: rv = 1; break; case AE_VENDOR_DAYNA: case AE_VENDOR_FOCUS: rv = UNSUPP; break; default: break; } } bus_space_unmap(na->na_tag, bsh, NBMEMSIZE); return rv; } /* * Install interface into kernel networking data structures */ static void ae_nubus_attach(parent, self, aux) struct device *parent, *self; void *aux; { struct ae_softc *sc = (struct ae_softc *) self; struct nubus_attach_args *na = (struct nubus_attach_args *) aux; #ifdef DEBUG struct ifnet *ifp = &sc->sc_arpcom.ac_if; #endif bus_space_tag_t bst; bus_space_handle_t bsh; int i,success; bst = na->na_tag; if (bus_space_map(bst, NUBUS_SLOT2PA(na->slot), NBMEMSIZE, 0, &bsh)) { printf(": can't map memory space\n"); return; } sc->sc_regt = sc->sc_buft = bst; sc->sc_flags = self->dv_cfdata->cf_flags; sc->use16bit = 1; sc->vendor = ae_nb_card_vendor(na); strncpy(sc->type_str, nubus_get_card_name(na->fmt), INTERFACE_NAME_LEN); sc->type_str[INTERFACE_NAME_LEN-1] = '\0'; sc->mem_size = 0; success = 0; switch (sc->vendor) { case AE_VENDOR_APPLE: /* Apple-compatible cards */ case AE_VENDOR_ASANTE: /* Map register offsets */ for (i = 0; i < 16; i++) /* reverse order, longword aligned */ sc->sc_reg_map[i] = (15 - i) << 2; if (bus_space_subregion(bst, bsh, AE_REG_OFFSET, AE_REG_SIZE, &sc->sc_regh)) { printf(": failed to map register space\n"); break; } if ((sc->mem_size = ae_size_card_memory(bst, bsh, AE_DATA_OFFSET)) == 0) { printf(": failed to determine size of RAM.\n"); break; } if (bus_space_subregion(bst, bsh, AE_DATA_OFFSET, sc->mem_size, &sc->sc_bufh)) { printf(": failed to map register space\n"); break; } #ifdef AE_OLD_GET_ENADDR /* Get station address from on-board ROM */ for (i = 0; i < ETHER_ADDR_LEN; ++i) sc->sc_arpcom.ac_enaddr[i] = bus_space_read_1(bst, bsh, (AE_ROM_OFFSET + i * 2)); #else if (ae_nb_get_enaddr(na, sc->sc_arpcom.ac_enaddr)) { printf(": can't find MAC address\n"); break; } #endif success = 1; break; case AE_VENDOR_DAYNA: /* Map register offsets */ for (i = 0; i < 16; i++) /* normal order, longword aligned */ sc->sc_reg_map[i] = i << 2; if (bus_space_subregion(bst, bsh, DP_REG_OFFSET, AE_REG_SIZE, &sc->sc_regh)) { printf(": failed to map register space\n"); break; } sc->mem_size = 8192; if (bus_space_subregion(bst, bsh, DP_DATA_OFFSET, sc->mem_size, &sc->sc_bufh)) { printf(": failed to map register space\n"); break; } #ifdef AE_OLD_GET_ENADDR /* Get station address from on-board ROM */ for (i = 0; i < ETHER_ADDR_LEN; ++i) sc->sc_arpcom.ac_enaddr[i] = bus_space_read_1(bst, bsh, (DP_ROM_OFFSET + i * 2)); #else if (ae_nb_get_enaddr(na, sc->sc_arpcom.ac_enaddr)) { printf(": can't find MAC address\n"); break; } #endif printf(": unsupported Dayna hardware\n"); break; case AE_VENDOR_FARALLON: /* Map register offsets */ for (i = 0; i < 16; i++) /* reverse order, longword aligned */ sc->sc_reg_map[i] = (15 - i) << 2; if (bus_space_subregion(bst, bsh, AE_REG_OFFSET, AE_REG_SIZE, &sc->sc_regh)) { printf(": failed to map register space\n"); break; } if ((sc->mem_size = ae_size_card_memory(bst, bsh, AE_DATA_OFFSET)) == 0) { printf(": failed to determine size of RAM.\n"); break; } if (bus_space_subregion(bst, bsh, AE_DATA_OFFSET, sc->mem_size, &sc->sc_bufh)) { printf(": failed to map register space\n"); break; } #ifdef AE_OLD_GET_ENADDR /* Get station address from on-board ROM */ for (i = 0; i < ETHER_ADDR_LEN; ++i) sc->sc_arpcom.ac_enaddr[i] = bus_space_read_1(bst, bsh, (FE_ROM_OFFSET + i)); #endif success = 1; break; case AE_VENDOR_FOCUS: printf(": unsupported Focus hardware\n"); break; case AE_VENDOR_INTERLAN: /* Map register offsets */ for (i = 0; i < 16; i++) /* normal order, longword aligned */ sc->sc_reg_map[i] = i << 2; if (bus_space_subregion(bst, bsh, GC_REG_OFFSET, AE_REG_SIZE, &sc->sc_regh)) { printf(": failed to map register space\n"); break; } if ((sc->mem_size = ae_size_card_memory(bst, bsh, GC_DATA_OFFSET)) == 0) { printf(": failed to determine size of RAM.\n"); break; } if (bus_space_subregion(bst, bsh, GC_DATA_OFFSET, sc->mem_size, &sc->sc_bufh)) { printf(": failed to map register space\n"); break; } /* reset the NIC chip */ bus_space_write_1(bst, bsh, GC_RESET_OFFSET, 0); if (ae_nb_get_enaddr(na, sc->sc_arpcom.ac_enaddr)) { /* Fall back to snarf directly from ROM. Ick. */ for (i = 0; i < ETHER_ADDR_LEN; ++i) sc->sc_arpcom.ac_enaddr[i] = bus_space_read_1(bst, bsh, (GC_ROM_OFFSET + i * 4)); } success = 1; break; case AE_VENDOR_KINETICS: /* Map register offsets */ for (i = 0; i < 16; i++) /* normal order, longword aligned */ sc->sc_reg_map[i] = i << 2; sc->use16bit = 0; if (bus_space_subregion(bst, bsh, KE_REG_OFFSET, AE_REG_SIZE, &sc->sc_regh)) { printf(": failed to map register space\n"); break; } if ((sc->mem_size = ae_size_card_memory(bst, bsh, KE_DATA_OFFSET)) == 0) { printf(": failed to determine size of RAM.\n"); break; } if (bus_space_subregion(bst, bsh, KE_DATA_OFFSET, sc->mem_size, &sc->sc_bufh)) { printf(": failed to map register space\n"); break; } if (ae_nb_get_enaddr(na, sc->sc_arpcom.ac_enaddr)) { printf(": can't find MAC address\n"); break; } success = 1; break; default: break; } if (!success) { bus_space_unmap(bst, bsh, NBMEMSIZE); return; } #ifdef DEBUG ifp->if_watchdog = ae_nb_watchdog; /* Override watchdog */ #endif if (aesetup(sc)) { bus_space_unmap(bst, bsh, NBMEMSIZE); return; } /* make sure interrupts are vectored to us */ add_nubus_intr(na->slot, aeintr, sc); } static int ae_nb_card_vendor(na) struct nubus_attach_args *na; { int vendor; switch (na->drsw) { case NUBUS_DRSW_APPLE: case NUBUS_DRSW_TECHWORKS: vendor = AE_VENDOR_APPLE; break; case NUBUS_DRSW_3COM: switch (na->drhw) { case NUBUS_DRHW_APPLE_SN: case NUBUS_DRHW_APPLE_SNT: vendor = AE_VENDOR_UNKNOWN; break; default: /* Apple, others, supported by AE */ vendor = AE_VENDOR_APPLE; break; } break; case NUBUS_DRSW_ASANTE: vendor = AE_VENDOR_ASANTE; break; case NUBUS_DRSW_FARALLON: vendor = AE_VENDOR_FARALLON; break; case NUBUS_DRSW_FOCUS: vendor = AE_VENDOR_FOCUS; break; case NUBUS_DRSW_GATOR: switch (na->drhw) { default: case NUBUS_DRHW_INTERLAN: vendor = AE_VENDOR_INTERLAN; break; case NUBUS_DRHW_KINETICS: if (strncmp( nubus_get_card_name(na->fmt), "EtherPort", 9) == 0) vendor = AE_VENDOR_KINETICS; else vendor = AE_VENDOR_DAYNA; break; } break; default: vendor = AE_VENDOR_UNKNOWN; } return vendor; } static int ae_nb_get_enaddr(na, ep) struct nubus_attach_args *na; u_int8_t *ep; { nubus_dir dir; nubus_dirent dirent; /* * XXX - note hardwired resource IDs here (0x80); these are * assumed to be used by all cards, but should be fixed when * we find out more about Ethernet card resources. */ nubus_get_main_dir(na->fmt, &dir); if (nubus_find_rsrc(na->fmt, &dir, 0x80, &dirent) <= 0) return 1; nubus_get_dir_from_rsrc(na->fmt, &dirent, &dir); if (nubus_find_rsrc(na->fmt, &dir, 0x80, &dirent) <= 0) return 1; if (nubus_get_ind_data(na->fmt, &dirent, ep, ETHER_ADDR_LEN) <= 0) return 1; return 0; } #ifdef DEBUG static void ae_nb_watchdog(ifp) struct ifnet *ifp; { struct ae_softc *sc = ifp->if_softc; /* * This is a kludge! The via code seems to miss slot interrupts * sometimes. This kludges around that by calling the handler * by hand if the watchdog is activated. -- XXX (akb) */ (*via2itab[1])((void *) 1); log(LOG_ERR, "%s: device timeout\n", sc->sc_dev.dv_xname); ++sc->sc_arpcom.ac_if.if_oerrors; aereset(sc); } #endif