if_ep_mca.c revision 1.2.2.2
1 1.2.2.2 nathanw /* $NetBSD: if_ep_mca.c,v 1.2.2.2 2001/04/09 01:56:47 nathanw Exp $ */ 2 1.2.2.2 nathanw 3 1.2.2.2 nathanw /*- 4 1.2.2.2 nathanw * Copyright (c) 2001 The NetBSD Foundation, Inc. 5 1.2.2.2 nathanw * All rights reserved. 6 1.2.2.2 nathanw * 7 1.2.2.2 nathanw * This code is derived from software contributed to The NetBSD Foundation 8 1.2.2.2 nathanw * by Jaromir Dolecek. 9 1.2.2.2 nathanw * 10 1.2.2.2 nathanw * Redistribution and use in source and binary forms, with or without 11 1.2.2.2 nathanw * modification, are permitted provided that the following conditions 12 1.2.2.2 nathanw * are met: 13 1.2.2.2 nathanw * 1. Redistributions of source code must retain the above copyright 14 1.2.2.2 nathanw * notice, this list of conditions and the following disclaimer. 15 1.2.2.2 nathanw * 2. Redistributions in binary form must reproduce the above copyright 16 1.2.2.2 nathanw * notice, this list of conditions and the following disclaimer in the 17 1.2.2.2 nathanw * documentation and/or other materials provided with the distribution. 18 1.2.2.2 nathanw * 3. All advertising materials mentioning features or use of this software 19 1.2.2.2 nathanw * must display the following acknowledgement: 20 1.2.2.2 nathanw * This product includes software developed by the NetBSD 21 1.2.2.2 nathanw * Foundation, Inc. and its contributors. 22 1.2.2.2 nathanw * 4. Neither the name of The NetBSD Foundation nor the names of its 23 1.2.2.2 nathanw * contributors may be used to endorse or promote products derived 24 1.2.2.2 nathanw * from this software without specific prior written permission. 25 1.2.2.2 nathanw * 26 1.2.2.2 nathanw * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS 27 1.2.2.2 nathanw * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED 28 1.2.2.2 nathanw * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 29 1.2.2.2 nathanw * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS 30 1.2.2.2 nathanw * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 31 1.2.2.2 nathanw * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 32 1.2.2.2 nathanw * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 33 1.2.2.2 nathanw * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 34 1.2.2.2 nathanw * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 35 1.2.2.2 nathanw * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 36 1.2.2.2 nathanw * POSSIBILITY OF SUCH DAMAGE. 37 1.2.2.2 nathanw */ 38 1.2.2.2 nathanw 39 1.2.2.2 nathanw /* 40 1.2.2.2 nathanw * Copyright (c) 1997 Jonathan Stone <jonathan (at) NetBSD.org> 41 1.2.2.2 nathanw * Copyright (c) 1994 Herb Peyerl <hpeyerl (at) beer.org> 42 1.2.2.2 nathanw * All rights reserved. 43 1.2.2.2 nathanw * 44 1.2.2.2 nathanw * Redistribution and use in source and binary forms, with or without 45 1.2.2.2 nathanw * modification, are permitted provided that the following conditions 46 1.2.2.2 nathanw * are met: 47 1.2.2.2 nathanw * 1. Redistributions of source code must retain the above copyright 48 1.2.2.2 nathanw * notice, this list of conditions and the following disclaimer. 49 1.2.2.2 nathanw * 2. Redistributions in binary form must reproduce the above copyright 50 1.2.2.2 nathanw * notice, this list of conditions and the following disclaimer in the 51 1.2.2.2 nathanw * documentation and/or other materials provided with the distribution. 52 1.2.2.2 nathanw * 3. All advertising materials mentioning features or use of this software 53 1.2.2.2 nathanw * must display the following acknowledgement: 54 1.2.2.2 nathanw * This product includes software developed by Herb Peyerl. 55 1.2.2.2 nathanw * 4. The name of Herb Peyerl may not be used to endorse or promote products 56 1.2.2.2 nathanw * derived from this software without specific prior written permission. 57 1.2.2.2 nathanw * 58 1.2.2.2 nathanw * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR 59 1.2.2.2 nathanw * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES 60 1.2.2.2 nathanw * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 61 1.2.2.2 nathanw * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, 62 1.2.2.2 nathanw * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT 63 1.2.2.2 nathanw * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 64 1.2.2.2 nathanw * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 65 1.2.2.2 nathanw * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 66 1.2.2.2 nathanw * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF 67 1.2.2.2 nathanw * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 68 1.2.2.2 nathanw */ 69 1.2.2.2 nathanw 70 1.2.2.2 nathanw /* 71 1.2.2.2 nathanw * Driver for 3Com 3c529 cards. 72 1.2.2.2 nathanw * 73 1.2.2.2 nathanw * Known issues: 74 1.2.2.2 nathanw * - on my 386DX, speed of network is like 100KB/s at best; for bigger 75 1.2.2.2 nathanw * files fetched e.g. via ftp, I get as low as 5KB/s, mostly due 76 1.2.2.2 nathanw * to excessive number of overrun packets. Configuring system to 77 1.2.2.2 nathanw * use smaller TCP window might help, though the performance is 78 1.2.2.2 nathanw * still expected to be very dependant on CPU speed, especially 79 1.2.2.2 nathanw * since ISA and PCI attachments are reported to work OK on pentium 80 1.2.2.2 nathanw * class systems. 81 1.2.2.2 nathanw * Changing ic/elink3.c to use RX Early might help here potentially. 82 1.2.2.2 nathanw */ 83 1.2.2.2 nathanw 84 1.2.2.2 nathanw #include <sys/param.h> 85 1.2.2.2 nathanw #include <sys/systm.h> 86 1.2.2.2 nathanw #include <sys/mbuf.h> 87 1.2.2.2 nathanw #include <sys/socket.h> 88 1.2.2.2 nathanw #include <sys/ioctl.h> 89 1.2.2.2 nathanw #include <sys/errno.h> 90 1.2.2.2 nathanw #include <sys/device.h> 91 1.2.2.2 nathanw 92 1.2.2.2 nathanw #include <net/if.h> 93 1.2.2.2 nathanw #include <net/if_ether.h> 94 1.2.2.2 nathanw #include <net/if_media.h> 95 1.2.2.2 nathanw 96 1.2.2.2 nathanw #include <machine/bus.h> 97 1.2.2.2 nathanw 98 1.2.2.2 nathanw #include <dev/mii/miivar.h> 99 1.2.2.2 nathanw 100 1.2.2.2 nathanw #include <dev/ic/elink3var.h> 101 1.2.2.2 nathanw #include <dev/ic/elink3reg.h> 102 1.2.2.2 nathanw 103 1.2.2.2 nathanw #include <dev/mca/mcavar.h> 104 1.2.2.2 nathanw #include <dev/mca/mcadevs.h> 105 1.2.2.2 nathanw 106 1.2.2.2 nathanw /* 107 1.2.2.2 nathanw * MCA constants. 108 1.2.2.2 nathanw */ 109 1.2.2.2 nathanw #define MCA_CBIO 0x200 /* Configuration Base IO Address */ 110 1.2.2.2 nathanw #define MCA_IOSZ 0x10 /* I/O space size */ 111 1.2.2.2 nathanw 112 1.2.2.2 nathanw int ep_mca_match __P((struct device *, struct cfdata *, void *)); 113 1.2.2.2 nathanw void ep_mca_attach __P((struct device *, struct device *, void *)); 114 1.2.2.2 nathanw 115 1.2.2.2 nathanw struct cfattach ep_mca_ca = { 116 1.2.2.2 nathanw sizeof(struct ep_softc), ep_mca_match, ep_mca_attach 117 1.2.2.2 nathanw }; 118 1.2.2.2 nathanw 119 1.2.2.2 nathanw const struct ep_mca_product { 120 1.2.2.2 nathanw u_int32_t epp_prodid; /* MCA product ID */ 121 1.2.2.2 nathanw const char *epp_name; /* device name */ 122 1.2.2.2 nathanw } ep_mca_products[] = { 123 1.2.2.2 nathanw { MCA_PRODUCT_3C529_TP, "3c529-TP Ethernet Adapter" }, 124 1.2.2.2 nathanw { MCA_PRODUCT_3C529_TM, "3c529 Ethernet Adapter (test mode)" }, 125 1.2.2.2 nathanw { MCA_PRODUCT_3C529_2T, "3c529 Ethernet Adapter (10base2/T)" }, 126 1.2.2.2 nathanw { MCA_PRODUCT_3C529_T, "3c529 Ethernet Adapter (10baseT)" }, 127 1.2.2.2 nathanw 128 1.2.2.2 nathanw { 0, NULL }, 129 1.2.2.2 nathanw }; 130 1.2.2.2 nathanw 131 1.2.2.2 nathanw static const struct ep_mca_product *ep_mca_lookup 132 1.2.2.2 nathanw __P((const struct mca_attach_args *)); 133 1.2.2.2 nathanw 134 1.2.2.2 nathanw static const struct ep_mca_product * 135 1.2.2.2 nathanw ep_mca_lookup(ma) 136 1.2.2.2 nathanw const struct mca_attach_args *ma; 137 1.2.2.2 nathanw { 138 1.2.2.2 nathanw const struct ep_mca_product *epp; 139 1.2.2.2 nathanw 140 1.2.2.2 nathanw for (epp = ep_mca_products; epp->epp_name != NULL; epp++) 141 1.2.2.2 nathanw if (ma->ma_id == epp->epp_prodid) 142 1.2.2.2 nathanw return (epp); 143 1.2.2.2 nathanw 144 1.2.2.2 nathanw return (NULL); 145 1.2.2.2 nathanw } 146 1.2.2.2 nathanw 147 1.2.2.2 nathanw int 148 1.2.2.2 nathanw ep_mca_match(parent, match, aux) 149 1.2.2.2 nathanw struct device *parent; 150 1.2.2.2 nathanw struct cfdata *match; 151 1.2.2.2 nathanw void *aux; 152 1.2.2.2 nathanw { 153 1.2.2.2 nathanw struct mca_attach_args *ma = (struct mca_attach_args *) aux; 154 1.2.2.2 nathanw 155 1.2.2.2 nathanw if (ep_mca_lookup(ma) != NULL) 156 1.2.2.2 nathanw return (1); 157 1.2.2.2 nathanw 158 1.2.2.2 nathanw return (0); 159 1.2.2.2 nathanw } 160 1.2.2.2 nathanw 161 1.2.2.2 nathanw void 162 1.2.2.2 nathanw ep_mca_attach(parent, self, aux) 163 1.2.2.2 nathanw struct device *parent, *self; 164 1.2.2.2 nathanw void *aux; 165 1.2.2.2 nathanw { 166 1.2.2.2 nathanw struct ep_softc *sc = (void *)self; 167 1.2.2.2 nathanw struct mca_attach_args *ma = aux; 168 1.2.2.2 nathanw bus_space_handle_t ioh; 169 1.2.2.2 nathanw int pos4, pos5, iobase, irq, media; 170 1.2.2.2 nathanw const struct ep_mca_product *epp; 171 1.2.2.2 nathanw 172 1.2.2.2 nathanw pos4 = mca_conf_read(ma->ma_mc, ma->ma_slot, 4); 173 1.2.2.2 nathanw pos5 = mca_conf_read(ma->ma_mc, ma->ma_slot, 5); 174 1.2.2.2 nathanw 175 1.2.2.2 nathanw /* 176 1.2.2.2 nathanw * POS register 2: (adf pos0) 177 1.2.2.2 nathanw * 7 6 5 4 3 2 1 0 178 1.2.2.2 nathanw * \__ enable: 0=adapter disabled, 1=adapter enabled 179 1.2.2.2 nathanw * 180 1.2.2.2 nathanw * POS register 3: (adf pos1) 181 1.2.2.2 nathanw * 182 1.2.2.2 nathanw * 7 6 5 4 3 2 1 0 183 1.2.2.2 nathanw * \________/ 184 1.2.2.2 nathanw * \_______ Boot ROM Address Range: 0=disabled 185 1.2.2.2 nathanw * X=0xc2000-0xc3fff + (x * 0x2000) 186 1.2.2.2 nathanw * 187 1.2.2.2 nathanw * POS register 4: (adf pos2) 188 1.2.2.2 nathanw * 189 1.2.2.2 nathanw * 7 6 5 4 3 2 1 0 190 1.2.2.2 nathanw * \________/ \_/ 191 1.2.2.2 nathanw * \ \__ Transceiver Type: 00=on-board (RJ45), 01=ext(AUI) 192 1.2.2.2 nathanw * \______ I/O Address Range: 0x200-0x20f + ((x>>2) * 0x400) 193 1.2.2.2 nathanw * 194 1.2.2.2 nathanw * POS register 5: (adf pos3) 195 1.2.2.2 nathanw * 196 1.2.2.2 nathanw * 7 6 5 4 3 2 1 0 197 1.2.2.2 nathanw * \____/ 198 1.2.2.2 nathanw * \__ Interrupt level 199 1.2.2.2 nathanw */ 200 1.2.2.2 nathanw 201 1.2.2.2 nathanw iobase = MCA_CBIO + (((pos4 & 0xfc) >> 2) * 0x400); 202 1.2.2.2 nathanw 203 1.2.2.2 nathanw /* map the pio registers */ 204 1.2.2.2 nathanw if (bus_space_map(ma->ma_iot, iobase, MCA_IOSZ, 0, &ioh)) { 205 1.2.2.2 nathanw printf("%s: unable to map i/o space\n", sc->sc_dev.dv_xname); 206 1.2.2.2 nathanw return; 207 1.2.2.2 nathanw } 208 1.2.2.2 nathanw 209 1.2.2.2 nathanw sc->sc_iot = ma->ma_iot; 210 1.2.2.2 nathanw sc->sc_ioh = ioh; 211 1.2.2.2 nathanw 212 1.2.2.2 nathanw epp = ep_mca_lookup(ma); 213 1.2.2.2 nathanw if (epp == NULL) { 214 1.2.2.2 nathanw printf("\n"); 215 1.2.2.2 nathanw panic("ep_mca_attach: impossible"); 216 1.2.2.2 nathanw } 217 1.2.2.2 nathanw 218 1.2.2.2 nathanw printf(" slot %d: 3Com %s\n", ma->ma_slot + 1, epp->epp_name); 219 1.2.2.2 nathanw 220 1.2.2.2 nathanw sc->enable = NULL; 221 1.2.2.2 nathanw sc->disable = NULL; 222 1.2.2.2 nathanw sc->enabled = 1; 223 1.2.2.2 nathanw 224 1.2.2.2 nathanw sc->bustype = ELINK_BUS_MCA; 225 1.2.2.2 nathanw sc->ep_flags = 0; 226 1.2.2.2 nathanw 227 1.2.2.2 nathanw if (epconfig(sc, ELINK_CHIPSET_3C509, NULL)) 228 1.2.2.2 nathanw return; 229 1.2.2.2 nathanw 230 1.2.2.2 nathanw /* Map and establish the interrupt. */ 231 1.2.2.2 nathanw irq = (pos5 & 0x0f); 232 1.2.2.2 nathanw sc->sc_ih = mca_intr_establish(ma->ma_mc, irq, IPL_NET, epintr, sc); 233 1.2.2.2 nathanw if (sc->sc_ih == NULL) { 234 1.2.2.2 nathanw printf("%s: couldn't establish interrupt handler\n", 235 1.2.2.2 nathanw sc->sc_dev.dv_xname); 236 1.2.2.2 nathanw return; 237 1.2.2.2 nathanw } 238 1.2.2.2 nathanw printf("%s: interrupting at irq %d\n", sc->sc_dev.dv_xname, irq); 239 1.2.2.2 nathanw 240 1.2.2.2 nathanw /* 241 1.2.2.2 nathanw * Set default media to be same as the one selected in POS. 242 1.2.2.2 nathanw */ 243 1.2.2.2 nathanw switch (pos4 & 0x03) { 244 1.2.2.2 nathanw case 0x00: 245 1.2.2.2 nathanw /* on-board RJ-45 */ 246 1.2.2.2 nathanw media = IFM_10_T; 247 1.2.2.2 nathanw break; 248 1.2.2.2 nathanw case 0x01: 249 1.2.2.2 nathanw /* external AUI */ 250 1.2.2.2 nathanw media = IFM_10_5; 251 1.2.2.2 nathanw break; 252 1.2.2.2 nathanw case 0x02: 253 1.2.2.2 nathanw /* undefined, should never be set */ 254 1.2.2.2 nathanw media = IFM_NONE; 255 1.2.2.2 nathanw break; 256 1.2.2.2 nathanw case 0x03: 257 1.2.2.2 nathanw /* BNC */ 258 1.2.2.2 nathanw media = IFM_10_2; 259 1.2.2.2 nathanw break; 260 1.2.2.2 nathanw } 261 1.2.2.2 nathanw ifmedia_set(&sc->sc_mii.mii_media, IFM_ETHER|media); 262 1.2.2.2 nathanw } 263
Indexes created Wed Oct 15 14:09:57 GMT 2025