if_ep_mca.c revision 1.1.2.3
1 1.1.2.3 bouyer /* $NetBSD: if_ep_mca.c,v 1.1.2.3 2001/04/21 17:48:54 bouyer Exp $ */ 2 1.1.2.2 bouyer 3 1.1.2.2 bouyer /*- 4 1.1.2.2 bouyer * Copyright (c) 2001 The NetBSD Foundation, Inc. 5 1.1.2.2 bouyer * All rights reserved. 6 1.1.2.2 bouyer * 7 1.1.2.2 bouyer * This code is derived from software contributed to The NetBSD Foundation 8 1.1.2.2 bouyer * by Jaromir Dolecek. 9 1.1.2.2 bouyer * 10 1.1.2.2 bouyer * Redistribution and use in source and binary forms, with or without 11 1.1.2.2 bouyer * modification, are permitted provided that the following conditions 12 1.1.2.2 bouyer * are met: 13 1.1.2.2 bouyer * 1. Redistributions of source code must retain the above copyright 14 1.1.2.2 bouyer * notice, this list of conditions and the following disclaimer. 15 1.1.2.2 bouyer * 2. Redistributions in binary form must reproduce the above copyright 16 1.1.2.2 bouyer * notice, this list of conditions and the following disclaimer in the 17 1.1.2.2 bouyer * documentation and/or other materials provided with the distribution. 18 1.1.2.2 bouyer * 3. All advertising materials mentioning features or use of this software 19 1.1.2.2 bouyer * must display the following acknowledgement: 20 1.1.2.2 bouyer * This product includes software developed by the NetBSD 21 1.1.2.2 bouyer * Foundation, Inc. and its contributors. 22 1.1.2.2 bouyer * 4. Neither the name of The NetBSD Foundation nor the names of its 23 1.1.2.2 bouyer * contributors may be used to endorse or promote products derived 24 1.1.2.2 bouyer * from this software without specific prior written permission. 25 1.1.2.2 bouyer * 26 1.1.2.2 bouyer * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS 27 1.1.2.2 bouyer * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED 28 1.1.2.2 bouyer * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 29 1.1.2.2 bouyer * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS 30 1.1.2.2 bouyer * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 31 1.1.2.2 bouyer * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 32 1.1.2.2 bouyer * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 33 1.1.2.2 bouyer * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 34 1.1.2.2 bouyer * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 35 1.1.2.2 bouyer * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 36 1.1.2.2 bouyer * POSSIBILITY OF SUCH DAMAGE. 37 1.1.2.2 bouyer */ 38 1.1.2.2 bouyer 39 1.1.2.2 bouyer /* 40 1.1.2.2 bouyer * Copyright (c) 1997 Jonathan Stone <jonathan (at) NetBSD.org> 41 1.1.2.2 bouyer * Copyright (c) 1994 Herb Peyerl <hpeyerl (at) beer.org> 42 1.1.2.2 bouyer * All rights reserved. 43 1.1.2.2 bouyer * 44 1.1.2.2 bouyer * Redistribution and use in source and binary forms, with or without 45 1.1.2.2 bouyer * modification, are permitted provided that the following conditions 46 1.1.2.2 bouyer * are met: 47 1.1.2.2 bouyer * 1. Redistributions of source code must retain the above copyright 48 1.1.2.2 bouyer * notice, this list of conditions and the following disclaimer. 49 1.1.2.2 bouyer * 2. Redistributions in binary form must reproduce the above copyright 50 1.1.2.2 bouyer * notice, this list of conditions and the following disclaimer in the 51 1.1.2.2 bouyer * documentation and/or other materials provided with the distribution. 52 1.1.2.2 bouyer * 3. All advertising materials mentioning features or use of this software 53 1.1.2.2 bouyer * must display the following acknowledgement: 54 1.1.2.2 bouyer * This product includes software developed by Herb Peyerl. 55 1.1.2.2 bouyer * 4. The name of Herb Peyerl may not be used to endorse or promote products 56 1.1.2.2 bouyer * derived from this software without specific prior written permission. 57 1.1.2.2 bouyer * 58 1.1.2.2 bouyer * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR 59 1.1.2.2 bouyer * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES 60 1.1.2.2 bouyer * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 61 1.1.2.2 bouyer * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, 62 1.1.2.2 bouyer * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT 63 1.1.2.2 bouyer * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 64 1.1.2.2 bouyer * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 65 1.1.2.2 bouyer * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 66 1.1.2.2 bouyer * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF 67 1.1.2.2 bouyer * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 68 1.1.2.2 bouyer */ 69 1.1.2.2 bouyer 70 1.1.2.2 bouyer /* 71 1.1.2.2 bouyer * Driver for 3Com 3c529 cards. 72 1.1.2.2 bouyer * 73 1.1.2.2 bouyer * Known issues: 74 1.1.2.2 bouyer * - on my 386DX, speed of network is like 100KB/s at best; for bigger 75 1.1.2.2 bouyer * files fetched e.g. via ftp, I get as low as 5KB/s, mostly due 76 1.1.2.2 bouyer * to excessive number of overrun packets. Configuring system to 77 1.1.2.2 bouyer * use smaller TCP window might help, though the performance is 78 1.1.2.2 bouyer * still expected to be very dependant on CPU speed, especially 79 1.1.2.2 bouyer * since ISA and PCI attachments are reported to work OK on pentium 80 1.1.2.2 bouyer * class systems. 81 1.1.2.2 bouyer * Changing ic/elink3.c to use RX Early might help here potentially. 82 1.1.2.2 bouyer */ 83 1.1.2.2 bouyer 84 1.1.2.2 bouyer #include <sys/param.h> 85 1.1.2.2 bouyer #include <sys/systm.h> 86 1.1.2.2 bouyer #include <sys/mbuf.h> 87 1.1.2.2 bouyer #include <sys/socket.h> 88 1.1.2.2 bouyer #include <sys/ioctl.h> 89 1.1.2.2 bouyer #include <sys/errno.h> 90 1.1.2.2 bouyer #include <sys/device.h> 91 1.1.2.2 bouyer 92 1.1.2.2 bouyer #include <net/if.h> 93 1.1.2.2 bouyer #include <net/if_ether.h> 94 1.1.2.2 bouyer #include <net/if_media.h> 95 1.1.2.2 bouyer 96 1.1.2.2 bouyer #include <machine/bus.h> 97 1.1.2.2 bouyer 98 1.1.2.2 bouyer #include <dev/mii/miivar.h> 99 1.1.2.2 bouyer 100 1.1.2.2 bouyer #include <dev/ic/elink3var.h> 101 1.1.2.2 bouyer #include <dev/ic/elink3reg.h> 102 1.1.2.2 bouyer 103 1.1.2.2 bouyer #include <dev/mca/mcavar.h> 104 1.1.2.2 bouyer #include <dev/mca/mcadevs.h> 105 1.1.2.2 bouyer 106 1.1.2.2 bouyer /* 107 1.1.2.2 bouyer * MCA constants. 108 1.1.2.2 bouyer */ 109 1.1.2.2 bouyer #define MCA_CBIO 0x200 /* Configuration Base IO Address */ 110 1.1.2.2 bouyer #define MCA_IOSZ 0x10 /* I/O space size */ 111 1.1.2.2 bouyer 112 1.1.2.2 bouyer int ep_mca_match __P((struct device *, struct cfdata *, void *)); 113 1.1.2.2 bouyer void ep_mca_attach __P((struct device *, struct device *, void *)); 114 1.1.2.2 bouyer 115 1.1.2.2 bouyer struct cfattach ep_mca_ca = { 116 1.1.2.2 bouyer sizeof(struct ep_softc), ep_mca_match, ep_mca_attach 117 1.1.2.2 bouyer }; 118 1.1.2.2 bouyer 119 1.1.2.2 bouyer const struct ep_mca_product { 120 1.1.2.2 bouyer u_int32_t epp_prodid; /* MCA product ID */ 121 1.1.2.2 bouyer const char *epp_name; /* device name */ 122 1.1.2.2 bouyer } ep_mca_products[] = { 123 1.1.2.2 bouyer { MCA_PRODUCT_3C529_TP, "3c529-TP Ethernet Adapter" }, 124 1.1.2.2 bouyer { MCA_PRODUCT_3C529_TM, "3c529 Ethernet Adapter (test mode)" }, 125 1.1.2.2 bouyer { MCA_PRODUCT_3C529_2T, "3c529 Ethernet Adapter (10base2/T)" }, 126 1.1.2.2 bouyer { MCA_PRODUCT_3C529_T, "3c529 Ethernet Adapter (10baseT)" }, 127 1.1.2.2 bouyer 128 1.1.2.2 bouyer { 0, NULL }, 129 1.1.2.2 bouyer }; 130 1.1.2.2 bouyer 131 1.1.2.2 bouyer static const struct ep_mca_product *ep_mca_lookup 132 1.1.2.2 bouyer __P((const struct mca_attach_args *)); 133 1.1.2.2 bouyer 134 1.1.2.2 bouyer static const struct ep_mca_product * 135 1.1.2.2 bouyer ep_mca_lookup(ma) 136 1.1.2.2 bouyer const struct mca_attach_args *ma; 137 1.1.2.2 bouyer { 138 1.1.2.2 bouyer const struct ep_mca_product *epp; 139 1.1.2.2 bouyer 140 1.1.2.2 bouyer for (epp = ep_mca_products; epp->epp_name != NULL; epp++) 141 1.1.2.2 bouyer if (ma->ma_id == epp->epp_prodid) 142 1.1.2.2 bouyer return (epp); 143 1.1.2.2 bouyer 144 1.1.2.2 bouyer return (NULL); 145 1.1.2.2 bouyer } 146 1.1.2.2 bouyer 147 1.1.2.2 bouyer int 148 1.1.2.2 bouyer ep_mca_match(parent, match, aux) 149 1.1.2.2 bouyer struct device *parent; 150 1.1.2.2 bouyer struct cfdata *match; 151 1.1.2.2 bouyer void *aux; 152 1.1.2.2 bouyer { 153 1.1.2.2 bouyer struct mca_attach_args *ma = (struct mca_attach_args *) aux; 154 1.1.2.2 bouyer 155 1.1.2.2 bouyer if (ep_mca_lookup(ma) != NULL) 156 1.1.2.2 bouyer return (1); 157 1.1.2.2 bouyer 158 1.1.2.2 bouyer return (0); 159 1.1.2.2 bouyer } 160 1.1.2.2 bouyer 161 1.1.2.2 bouyer void 162 1.1.2.2 bouyer ep_mca_attach(parent, self, aux) 163 1.1.2.2 bouyer struct device *parent, *self; 164 1.1.2.2 bouyer void *aux; 165 1.1.2.2 bouyer { 166 1.1.2.2 bouyer struct ep_softc *sc = (void *)self; 167 1.1.2.2 bouyer struct mca_attach_args *ma = aux; 168 1.1.2.2 bouyer bus_space_handle_t ioh; 169 1.1.2.2 bouyer int pos4, pos5, iobase, irq, media; 170 1.1.2.2 bouyer const struct ep_mca_product *epp; 171 1.1.2.2 bouyer 172 1.1.2.2 bouyer pos4 = mca_conf_read(ma->ma_mc, ma->ma_slot, 4); 173 1.1.2.2 bouyer pos5 = mca_conf_read(ma->ma_mc, ma->ma_slot, 5); 174 1.1.2.2 bouyer 175 1.1.2.2 bouyer /* 176 1.1.2.2 bouyer * POS register 2: (adf pos0) 177 1.1.2.2 bouyer * 7 6 5 4 3 2 1 0 178 1.1.2.2 bouyer * \__ enable: 0=adapter disabled, 1=adapter enabled 179 1.1.2.2 bouyer * 180 1.1.2.2 bouyer * POS register 3: (adf pos1) 181 1.1.2.2 bouyer * 182 1.1.2.2 bouyer * 7 6 5 4 3 2 1 0 183 1.1.2.2 bouyer * \________/ 184 1.1.2.2 bouyer * \_______ Boot ROM Address Range: 0=disabled 185 1.1.2.2 bouyer * X=0xc2000-0xc3fff + (x * 0x2000) 186 1.1.2.2 bouyer * 187 1.1.2.2 bouyer * POS register 4: (adf pos2) 188 1.1.2.2 bouyer * 189 1.1.2.2 bouyer * 7 6 5 4 3 2 1 0 190 1.1.2.2 bouyer * \________/ \_/ 191 1.1.2.2 bouyer * \ \__ Transceiver Type: 00=on-board (RJ45), 01=ext(AUI) 192 1.1.2.2 bouyer * \______ I/O Address Range: 0x200-0x20f + ((x>>2) * 0x400) 193 1.1.2.2 bouyer * 194 1.1.2.2 bouyer * POS register 5: (adf pos3) 195 1.1.2.2 bouyer * 196 1.1.2.2 bouyer * 7 6 5 4 3 2 1 0 197 1.1.2.2 bouyer * \____/ 198 1.1.2.2 bouyer * \__ Interrupt level 199 1.1.2.2 bouyer */ 200 1.1.2.2 bouyer 201 1.1.2.2 bouyer iobase = MCA_CBIO + (((pos4 & 0xfc) >> 2) * 0x400); 202 1.1.2.2 bouyer 203 1.1.2.2 bouyer /* map the pio registers */ 204 1.1.2.2 bouyer if (bus_space_map(ma->ma_iot, iobase, MCA_IOSZ, 0, &ioh)) { 205 1.1.2.2 bouyer printf("%s: unable to map i/o space\n", sc->sc_dev.dv_xname); 206 1.1.2.2 bouyer return; 207 1.1.2.2 bouyer } 208 1.1.2.2 bouyer 209 1.1.2.2 bouyer sc->sc_iot = ma->ma_iot; 210 1.1.2.2 bouyer sc->sc_ioh = ioh; 211 1.1.2.2 bouyer 212 1.1.2.2 bouyer epp = ep_mca_lookup(ma); 213 1.1.2.2 bouyer if (epp == NULL) { 214 1.1.2.2 bouyer printf("\n"); 215 1.1.2.2 bouyer panic("ep_mca_attach: impossible"); 216 1.1.2.2 bouyer } 217 1.1.2.2 bouyer 218 1.1.2.2 bouyer printf(" slot %d: 3Com %s\n", ma->ma_slot + 1, epp->epp_name); 219 1.1.2.2 bouyer 220 1.1.2.2 bouyer sc->enable = NULL; 221 1.1.2.2 bouyer sc->disable = NULL; 222 1.1.2.2 bouyer sc->enabled = 1; 223 1.1.2.2 bouyer 224 1.1.2.2 bouyer sc->bustype = ELINK_BUS_MCA; 225 1.1.2.2 bouyer sc->ep_flags = 0; 226 1.1.2.2 bouyer 227 1.1.2.2 bouyer if (epconfig(sc, ELINK_CHIPSET_3C509, NULL)) 228 1.1.2.2 bouyer return; 229 1.1.2.2 bouyer 230 1.1.2.2 bouyer /* Map and establish the interrupt. */ 231 1.1.2.2 bouyer irq = (pos5 & 0x0f); 232 1.1.2.2 bouyer sc->sc_ih = mca_intr_establish(ma->ma_mc, irq, IPL_NET, epintr, sc); 233 1.1.2.2 bouyer if (sc->sc_ih == NULL) { 234 1.1.2.2 bouyer printf("%s: couldn't establish interrupt handler\n", 235 1.1.2.2 bouyer sc->sc_dev.dv_xname); 236 1.1.2.2 bouyer return; 237 1.1.2.2 bouyer } 238 1.1.2.2 bouyer printf("%s: interrupting at irq %d\n", sc->sc_dev.dv_xname, irq); 239 1.1.2.2 bouyer 240 1.1.2.2 bouyer /* 241 1.1.2.2 bouyer * Set default media to be same as the one selected in POS. 242 1.1.2.2 bouyer */ 243 1.1.2.2 bouyer switch (pos4 & 0x03) { 244 1.1.2.2 bouyer case 0x00: 245 1.1.2.2 bouyer /* on-board RJ-45 */ 246 1.1.2.2 bouyer media = IFM_10_T; 247 1.1.2.2 bouyer break; 248 1.1.2.2 bouyer case 0x01: 249 1.1.2.2 bouyer /* external AUI */ 250 1.1.2.2 bouyer media = IFM_10_5; 251 1.1.2.2 bouyer break; 252 1.1.2.2 bouyer case 0x02: 253 1.1.2.2 bouyer /* undefined, should never be set */ 254 1.1.2.2 bouyer media = IFM_NONE; 255 1.1.2.2 bouyer break; 256 1.1.2.2 bouyer case 0x03: 257 1.1.2.2 bouyer /* BNC */ 258 1.1.2.2 bouyer media = IFM_10_2; 259 1.1.2.2 bouyer break; 260 1.1.2.2 bouyer } 261 1.1.2.2 bouyer ifmedia_set(&sc->sc_mii.mii_media, IFM_ETHER|media); 262 1.1.2.2 bouyer } 263
Indexes created Mon Oct 13 08:09:50 GMT 2025