/* $NetBSD: if_ne_mca.c,v 1.2 2001/04/23 06:10:08 jdolecek Exp $ */ /*- * Copyright (c) 2001 The NetBSD Foundation, Inc. * All rights reserved. * * This code is derived from software contributed to The NetBSD Foundation * by Jaromir Dolecek. * * 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 the NetBSD * Foundation, Inc. and its contributors. * 4. Neither the name of The NetBSD Foundation nor the names of its * contributors may be used to endorse or promote products derived * from this software without specific prior written permission. * * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS * ``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 FOUNDATION OR CONTRIBUTORS * 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. */ /* * Driver for Novell NE/2 Ethernet Adapter (and clones). * * According to Linux ne2 driver, Arco and Compex card should be also * supported by this driver. However, NetBSD driver was only tested * with the Novell adapter so far. */ #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #define NE2_NPORTS 0x30 struct ne_mca_softc { struct ne2000_softc sc_ne2000; /* real "ne2000" softc */ /* MCA-specific goo */ void *sc_ih; /* interrupt handle */ }; int ne_mca_match __P((struct device *, struct cfdata *, void *)); void ne_mca_attach __P((struct device *, struct device *, void *)); struct cfattach ne_mca_ca = { sizeof(struct ne_mca_softc), ne_mca_match, ne_mca_attach }; static const struct ne_mca_products { u_int32_t ne_id; const char *ne_name; } ne_mca_products[] = { { MCA_PRODUCT_ARCOAE, "Arco Electronics AE/2 Ethernet Adapter" }, { MCA_PRODUCT_NE2, "Novell NE/2 Ethernet Adapter" }, { MCA_PRODUCT_CENET16, "Compex Inc. PS/2 ENET16-MC/P Microchannel Ad."}, { 0, NULL } }; static const struct ne_mca_products *ne_mca_lookup __P((int id)); static const struct ne_mca_products * ne_mca_lookup(int id) { const struct ne_mca_products *np; for(np = ne_mca_products; np->ne_name; np++) if (id == np->ne_id) return (np); return (NULL); } int ne_mca_match(struct device *parent, struct cfdata *cf, void *aux) { struct mca_attach_args *ma = aux; if (ne_mca_lookup(ma->ma_id)) return (1); return (0); } /* These values were taken from NE/2 ADF file */ static const int ne_mca_irq[] = { 3, 4, 5, 9 }; static const int ne_mca_iobase[] = { 0, 0x1000, 0x2020, 0x8020, 0xa0a0, 0xb0b0, 0xc0c0, 0xc3d0 }; void ne_mca_attach(struct device *parent, struct device *self, void *aux) { struct ne_mca_softc *psc = (struct ne_mca_softc *)self; struct ne2000_softc *nsc = &psc->sc_ne2000; struct dp8390_softc *dsc = &nsc->sc_dp8390; struct mca_attach_args *ma = aux; bus_space_tag_t nict; bus_space_handle_t nich; bus_space_tag_t asict; bus_space_handle_t asich; int pos2, iobase, irq; const struct ne_mca_products *np; pos2 = mca_conf_read(ma->ma_mc, ma->ma_slot, 2); /* * POS register 2: (adf pos0) * * 7 6 5 4 3 2 1 0 * \_/ | \___/ \__ enable: 0=adapter disabled, 1=adapter enabled * | | \____ I/O, Mem: 001=0x1000-0x102f 010=0x2020-0x204f * | | 011=0x8020-0x804f 100=0xa0a0-0xa0cf * | | 101=0xb0b0-0xb0df 110=0xc0c0-0xc0ef * \ \ 111=0xc3d0-0xc3ff * \ \________ Boot Rom: 1=disabled 0=enabled * \__________ Interrupt level: 00=3 01=4 10=5 11=9 */ np = ne_mca_lookup(ma->ma_id); iobase = ne_mca_iobase[(pos2 & 0x0e) >> 1]; irq = ne_mca_irq[(pos2 & 0x60) >> 5]; printf(" slot %d irq %d: %s\n", ma->ma_slot + 1, irq, np->ne_name); nict = ma->ma_iot; /* Map the device. */ if (bus_space_map(nict, iobase, NE2_NPORTS, 0, &nich)) { printf("%s: can't map i/o space\n", dsc->sc_dev.dv_xname); return; } asict = nict; if (bus_space_subregion(nict, nich, NE2000_ASIC_OFFSET, NE2000_ASIC_NPORTS, &asich)) { printf("%s: can't subregion i/o space\n", dsc->sc_dev.dv_xname); return; } dsc->sc_regt = nict; dsc->sc_regh = nich; nsc->sc_asict = asict; nsc->sc_asich = asich; /* This interface is always enabled. */ dsc->sc_enabled = 1; dsc->sc_mediachange = NULL; dsc->sc_mediastatus = NULL; dsc->sc_media_init = NULL; dsc->init_card = NULL; /* * This is necessary for NE/2. Hopefully the other clones also work * this way. */ nsc->sc_type = NE2000_TYPE_AX88190; /* * Do generic NE2000 attach. This will read the station address * from the EEPROM. */ if (ne2000_attach(nsc, NULL)) return; /* establish interrupt handler */ psc->sc_ih = mca_intr_establish(ma->ma_mc, irq, IPL_NET, dp8390_intr, dsc); if (psc->sc_ih == NULL) { printf("%s: couldn't establish interrupt handler\n", dsc->sc_dev.dv_xname); return; } }