/* $NetBSD: if_ep_mca.c,v 1.23 2016/07/11 11:31:51 msaitoh 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. * * 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. */ /* * Copyright (c) 1997 Jonathan Stone * Copyright (c) 1994 Herb Peyerl * 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 Herb Peyerl. * 4. The name of Herb Peyerl 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. */ /* * Driver for 3Com 3c529 cards. * * If you encouter sucky performance, try kernel without DEBUG/DIAGNOSTIC. * This helped on my test machine to change the performance of the card * from like 5KB/s to like 800 KB/s. */ #include __KERNEL_RCSID(0, "$NetBSD: if_ep_mca.c,v 1.23 2016/07/11 11:31:51 msaitoh Exp $"); #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include /* * MCA constants. */ #define MCA_CBIO 0x200 /* Configuration Base IO Address */ #define MCA_IOSZ 0x10 /* I/O space size */ int ep_mca_match(device_t , cfdata_t , void *); void ep_mca_attach(device_t , device_t , void *); CFATTACH_DECL_NEW(ep_mca, sizeof(struct ep_softc), ep_mca_match, ep_mca_attach, NULL, NULL); const struct ep_mca_product { u_int32_t epp_prodid; /* MCA product ID */ const char *epp_name; /* device name */ } ep_mca_products[] = { { MCA_PRODUCT_3C529, "3C529 Ethernet Adapter" }, { MCA_PRODUCT_3C529_TP, "3c529-TP Ethernet Adapter" }, { MCA_PRODUCT_3C529_TM, "3c529 Ethernet Adapter (test mode)" }, { MCA_PRODUCT_3C529_2T, "3c529 Ethernet Adapter (10base2/T)" }, { MCA_PRODUCT_3C529_T, "3c529 Ethernet Adapter (10baseT)" }, { 0, NULL }, }; static const struct ep_mca_product *ep_mca_lookup (const struct mca_attach_args *); static const struct ep_mca_product * ep_mca_lookup(const struct mca_attach_args *ma) { const struct ep_mca_product *epp; for (epp = ep_mca_products; epp->epp_name != NULL; epp++) if (ma->ma_id == epp->epp_prodid) return (epp); return (NULL); } int ep_mca_match(device_t parent, cfdata_t match, void *aux) { struct mca_attach_args *ma = (struct mca_attach_args *) aux; if (ep_mca_lookup(ma) != NULL) return (1); return (0); } void ep_mca_attach(device_t parent, device_t self, void *aux) { struct ep_softc *sc = device_private(self); struct mca_attach_args *ma = aux; bus_space_handle_t ioh; int pos4, pos5, iobase, irq, media; const struct ep_mca_product *epp; pos4 = mca_conf_read(ma->ma_mc, ma->ma_slot, 4); pos5 = mca_conf_read(ma->ma_mc, ma->ma_slot, 5); /* * POS register 2: (adf pos0) * 7 6 5 4 3 2 1 0 * \__ enable: 0=adapter disabled, 1=adapter enabled * * POS register 3: (adf pos1) * * 7 6 5 4 3 2 1 0 * \________/ * \_______ Boot ROM Address Range: 0=disabled * X=0xc2000-0xc3fff + (x * 0x2000) * * POS register 4: (adf pos2) * * 7 6 5 4 3 2 1 0 * \________/ \_/ * \ \__ Transceiver Type: 00=on-board (RJ45), 01=ext(AUI) * \______ I/O Address Range: 0x200-0x20f + ((x>>2) * 0x400) * * POS register 5: (adf pos3) * * 7 6 5 4 3 2 1 0 * \____/ * \__ Interrupt level */ iobase = MCA_CBIO + (((pos4 & 0xfc) >> 2) * 0x400); irq = (pos5 & 0x0f); sc->sc_dev = self; /* map the pio registers */ if (bus_space_map(ma->ma_iot, iobase, MCA_IOSZ, 0, &ioh)) { aprint_error_dev(sc->sc_dev, "unable to map i/o space\n"); return; } sc->sc_iot = ma->ma_iot; sc->sc_ioh = ioh; epp = ep_mca_lookup(ma); if (epp == NULL) { printf("\n"); panic("ep_mca_attach: impossible"); } printf(" slot %d irq %d: 3Com %s\n", ma->ma_slot + 1, irq, epp->epp_name); sc->enable = NULL; sc->disable = NULL; sc->enabled = 1; sc->bustype = ELINK_BUS_MCA; sc->ep_flags = 0; if (epconfig(sc, ELINK_CHIPSET_3C509, NULL)) return; /* Map and establish the interrupt. */ sc->sc_ih = mca_intr_establish(ma->ma_mc, irq, IPL_NET, epintr, sc); if (sc->sc_ih == NULL) { aprint_error_dev(sc->sc_dev, "couldn't establish interrupt handler\n"); return; } /* * Set default media to be same as the one selected in POS. */ switch (pos4 & 0x03) { case 0x00: /* on-board RJ-45 */ media = IFM_10_T; break; case 0x01: /* external AUI */ media = IFM_10_5; break; case 0x02: /* undefined, should never be set */ media = IFM_NONE; break; case 0x03: /* BNC */ media = IFM_10_2; break; default: aprint_error_dev(sc->sc_dev, " cannot determine media\n"); return; } ifmedia_set(&sc->sc_mii.mii_media, IFM_ETHER|media); }