if_ep_mca.c revision 1.8
1 /* $NetBSD: if_ep_mca.c,v 1.8 2002/09/27 20:39:14 thorpej Exp $ */ 2 3 /*- 4 * Copyright (c) 2001 The NetBSD Foundation, Inc. 5 * All rights reserved. 6 * 7 * This code is derived from software contributed to The NetBSD Foundation 8 * by Jaromir Dolecek. 9 * 10 * Redistribution and use in source and binary forms, with or without 11 * modification, are permitted provided that the following conditions 12 * are met: 13 * 1. Redistributions of source code must retain the above copyright 14 * notice, this list of conditions and the following disclaimer. 15 * 2. Redistributions in binary form must reproduce the above copyright 16 * notice, this list of conditions and the following disclaimer in the 17 * documentation and/or other materials provided with the distribution. 18 * 3. All advertising materials mentioning features or use of this software 19 * must display the following acknowledgement: 20 * This product includes software developed by the NetBSD 21 * Foundation, Inc. and its contributors. 22 * 4. Neither the name of The NetBSD Foundation nor the names of its 23 * contributors may be used to endorse or promote products derived 24 * from this software without specific prior written permission. 25 * 26 * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS 27 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED 28 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 29 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS 30 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 31 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 32 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 33 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 34 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 35 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 36 * POSSIBILITY OF SUCH DAMAGE. 37 */ 38 39 /* 40 * Copyright (c) 1997 Jonathan Stone <jonathan (at) NetBSD.org> 41 * Copyright (c) 1994 Herb Peyerl <hpeyerl (at) beer.org> 42 * All rights reserved. 43 * 44 * Redistribution and use in source and binary forms, with or without 45 * modification, are permitted provided that the following conditions 46 * are met: 47 * 1. Redistributions of source code must retain the above copyright 48 * notice, this list of conditions and the following disclaimer. 49 * 2. Redistributions in binary form must reproduce the above copyright 50 * notice, this list of conditions and the following disclaimer in the 51 * documentation and/or other materials provided with the distribution. 52 * 3. All advertising materials mentioning features or use of this software 53 * must display the following acknowledgement: 54 * This product includes software developed by Herb Peyerl. 55 * 4. The name of Herb Peyerl may not be used to endorse or promote products 56 * derived from this software without specific prior written permission. 57 * 58 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR 59 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES 60 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 61 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, 62 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT 63 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 64 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 65 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 66 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF 67 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 68 */ 69 70 /* 71 * Driver for 3Com 3c529 cards. 72 * 73 * If you encouter sucky performance, try kernel without DEBUG/DIAGNOSTIC. 74 * This helped on my test machine to change the performance of the card 75 * from like 5KB/s to like 800 KB/s. 76 */ 77 78 #include <sys/cdefs.h> 79 __KERNEL_RCSID(0, "$NetBSD: if_ep_mca.c,v 1.8 2002/09/27 20:39:14 thorpej Exp $"); 80 81 #include <sys/param.h> 82 #include <sys/systm.h> 83 #include <sys/mbuf.h> 84 #include <sys/socket.h> 85 #include <sys/ioctl.h> 86 #include <sys/errno.h> 87 #include <sys/device.h> 88 89 #include <net/if.h> 90 #include <net/if_ether.h> 91 #include <net/if_media.h> 92 93 #include <machine/bus.h> 94 95 #include <dev/mii/miivar.h> 96 97 #include <dev/ic/elink3var.h> 98 #include <dev/ic/elink3reg.h> 99 100 #include <dev/mca/mcavar.h> 101 #include <dev/mca/mcadevs.h> 102 103 /* 104 * MCA constants. 105 */ 106 #define MCA_CBIO 0x200 /* Configuration Base IO Address */ 107 #define MCA_IOSZ 0x10 /* I/O space size */ 108 109 int ep_mca_match __P((struct device *, struct cfdata *, void *)); 110 void ep_mca_attach __P((struct device *, struct device *, void *)); 111 112 const struct cfattach ep_mca_ca = { 113 sizeof(struct ep_softc), ep_mca_match, ep_mca_attach 114 }; 115 116 const struct ep_mca_product { 117 u_int32_t epp_prodid; /* MCA product ID */ 118 const char *epp_name; /* device name */ 119 } ep_mca_products[] = { 120 { MCA_PRODUCT_3C529, "3C529 Ethernet Adapter" }, 121 { MCA_PRODUCT_3C529_TP, "3c529-TP Ethernet Adapter" }, 122 { MCA_PRODUCT_3C529_TM, "3c529 Ethernet Adapter (test mode)" }, 123 { MCA_PRODUCT_3C529_2T, "3c529 Ethernet Adapter (10base2/T)" }, 124 { MCA_PRODUCT_3C529_T, "3c529 Ethernet Adapter (10baseT)" }, 125 126 { 0, NULL }, 127 }; 128 129 static const struct ep_mca_product *ep_mca_lookup 130 __P((const struct mca_attach_args *)); 131 132 static const struct ep_mca_product * 133 ep_mca_lookup(ma) 134 const struct mca_attach_args *ma; 135 { 136 const struct ep_mca_product *epp; 137 138 for (epp = ep_mca_products; epp->epp_name != NULL; epp++) 139 if (ma->ma_id == epp->epp_prodid) 140 return (epp); 141 142 return (NULL); 143 } 144 145 int 146 ep_mca_match(parent, match, aux) 147 struct device *parent; 148 struct cfdata *match; 149 void *aux; 150 { 151 struct mca_attach_args *ma = (struct mca_attach_args *) aux; 152 153 if (ep_mca_lookup(ma) != NULL) 154 return (1); 155 156 return (0); 157 } 158 159 void 160 ep_mca_attach(parent, self, aux) 161 struct device *parent, *self; 162 void *aux; 163 { 164 struct ep_softc *sc = (void *)self; 165 struct mca_attach_args *ma = aux; 166 bus_space_handle_t ioh; 167 int pos4, pos5, iobase, irq, media; 168 const struct ep_mca_product *epp; 169 170 pos4 = mca_conf_read(ma->ma_mc, ma->ma_slot, 4); 171 pos5 = mca_conf_read(ma->ma_mc, ma->ma_slot, 5); 172 173 /* 174 * POS register 2: (adf pos0) 175 * 7 6 5 4 3 2 1 0 176 * \__ enable: 0=adapter disabled, 1=adapter enabled 177 * 178 * POS register 3: (adf pos1) 179 * 180 * 7 6 5 4 3 2 1 0 181 * \________/ 182 * \_______ Boot ROM Address Range: 0=disabled 183 * X=0xc2000-0xc3fff + (x * 0x2000) 184 * 185 * POS register 4: (adf pos2) 186 * 187 * 7 6 5 4 3 2 1 0 188 * \________/ \_/ 189 * \ \__ Transceiver Type: 00=on-board (RJ45), 01=ext(AUI) 190 * \______ I/O Address Range: 0x200-0x20f + ((x>>2) * 0x400) 191 * 192 * POS register 5: (adf pos3) 193 * 194 * 7 6 5 4 3 2 1 0 195 * \____/ 196 * \__ Interrupt level 197 */ 198 199 iobase = MCA_CBIO + (((pos4 & 0xfc) >> 2) * 0x400); 200 irq = (pos5 & 0x0f); 201 202 /* map the pio registers */ 203 if (bus_space_map(ma->ma_iot, iobase, MCA_IOSZ, 0, &ioh)) { 204 printf("%s: unable to map i/o space\n", sc->sc_dev.dv_xname); 205 return; 206 } 207 208 sc->sc_iot = ma->ma_iot; 209 sc->sc_ioh = ioh; 210 211 epp = ep_mca_lookup(ma); 212 if (epp == NULL) { 213 printf("\n"); 214 panic("ep_mca_attach: impossible"); 215 } 216 217 printf(" slot %d irq %d: 3Com %s\n", ma->ma_slot + 1, 218 irq, epp->epp_name); 219 220 sc->enable = NULL; 221 sc->disable = NULL; 222 sc->enabled = 1; 223 224 sc->bustype = ELINK_BUS_MCA; 225 sc->ep_flags = 0; 226 227 if (epconfig(sc, ELINK_CHIPSET_3C509, NULL)) 228 return; 229 230 /* Map and establish the interrupt. */ 231 sc->sc_ih = mca_intr_establish(ma->ma_mc, irq, IPL_NET, epintr, sc); 232 if (sc->sc_ih == NULL) { 233 printf("%s: couldn't establish interrupt handler\n", 234 sc->sc_dev.dv_xname); 235 return; 236 } 237 238 /* 239 * Set default media to be same as the one selected in POS. 240 */ 241 switch (pos4 & 0x03) { 242 case 0x00: 243 /* on-board RJ-45 */ 244 media = IFM_10_T; 245 break; 246 case 0x01: 247 /* external AUI */ 248 media = IFM_10_5; 249 break; 250 case 0x02: 251 /* undefined, should never be set */ 252 media = IFM_NONE; 253 break; 254 case 0x03: 255 /* BNC */ 256 media = IFM_10_2; 257 break; 258 } 259 ifmedia_set(&sc->sc_mii.mii_media, IFM_ETHER|media); 260 } 261
Indexes created Mon Oct 13 00:09:54 GMT 2025