if_ate_mca.c revision 1.6
1 /* $NetBSD: if_ate_mca.c,v 1.6 2002/09/30 21:36:45 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 * Driver for ATI AT1720X MCA cards based on Fujitsu MB8696xA controller. 41 */ 42 43 #include <sys/cdefs.h> 44 __KERNEL_RCSID(0, "$NetBSD: if_ate_mca.c,v 1.6 2002/09/30 21:36:45 thorpej Exp $"); 45 46 #include <sys/param.h> 47 #include <sys/systm.h> 48 #include <sys/device.h> 49 #include <sys/socket.h> 50 #include <sys/syslog.h> 51 52 #include <net/if.h> 53 #include <net/if_ether.h> 54 #include <net/if_media.h> 55 56 #include <machine/bus.h> 57 #include <machine/intr.h> 58 59 #include <dev/ic/mb86960reg.h> 60 #include <dev/ic/mb86960var.h> 61 #include <dev/ic/ate_subr.h> 62 63 #include <dev/mca/mcavar.h> 64 #include <dev/mca/mcadevs.h> 65 66 int ate_mca_match __P((struct device *, struct cfdata *, void *)); 67 void ate_mca_attach __P((struct device *, struct device *, void *)); 68 static void ate_mca_detect __P((bus_space_tag_t, bus_space_handle_t, 69 u_int8_t enaddr[ETHER_ADDR_LEN])); 70 71 #define ATE_NPORTS 0x20 72 73 struct ate_softc { 74 struct mb86960_softc sc_mb86960; /* real "mb86960" softc */ 75 76 /* MCA-specific goo. */ 77 void *sc_ih; /* interrupt cookie */ 78 }; 79 80 CFATTACH_DECL(ate_mca, sizeof(struct ate_softc), 81 ate_mca_match, ate_mca_attach, NULL, NULL) 82 83 static const struct ate_mca_product { 84 u_int32_t at_prodid; /* MCA product ID */ 85 const char *at_name; /* device name */ 86 int at_type; /* device type */ 87 } ate_mca_products[] = { 88 { MCA_PRODUCT_AT1720T, "ATI AT1720T", FE_TYPE_AT1700T }, 89 { MCA_PRODUCT_AT1720BT, "ATI AT1720BT", FE_TYPE_AT1700BT }, 90 { MCA_PRODUCT_AT1720AT, "ATI AT1720AT", FE_TYPE_AT1700AT }, 91 { MCA_PRODUCT_AT1720FT, "ATI AT1720FT", FE_TYPE_AT1700FT }, 92 { 0, }, 93 }; 94 95 static const struct ate_mca_product *ate_mca_lookup __P((u_int32_t)); 96 97 static const struct ate_mca_product * 98 ate_mca_lookup(id) 99 u_int32_t id; 100 { 101 const struct ate_mca_product *atp; 102 103 for (atp = ate_mca_products; atp->at_name != NULL; atp++) 104 if (id == atp->at_prodid) 105 return (atp); 106 107 return (NULL); 108 } 109 110 int 111 ate_mca_match(parent, match, aux) 112 struct device *parent; 113 struct cfdata *match; 114 void *aux; 115 { 116 struct mca_attach_args *ma = (struct mca_attach_args *) aux; 117 118 if (ate_mca_lookup(ma->ma_id) != NULL) 119 return (1); 120 121 return (0); 122 } 123 124 /* see POS diagrams below for explanation of these arrays' contents */ 125 static const int ats_iobase[] = { 126 0x400, 0x2400, 0x4400, 0x6400, 0x1400, 0x3400, 0x5400, 0x7400 127 }; 128 static const int ats_irq[] = { 129 3, 4, 5, 9, 10, 11, 12, 15 130 }; 131 132 void 133 ate_mca_attach(parent, self, aux) 134 struct device *parent, *self; 135 void *aux; 136 { 137 struct ate_softc *isc = (struct ate_softc *)self; 138 struct mb86960_softc *sc = &isc->sc_mb86960; 139 struct mca_attach_args *ma = aux; 140 bus_space_tag_t iot = ma->ma_iot; 141 bus_space_handle_t ioh; 142 u_int8_t myea[ETHER_ADDR_LEN]; 143 int type, pos3, pos4; 144 int iobase, irq; 145 const struct ate_mca_product *atp; 146 147 pos3 = mca_conf_read(ma->ma_mc, ma->ma_slot, 3); 148 pos4 = mca_conf_read(ma->ma_mc, ma->ma_slot, 4); 149 150 /* 151 * POS register 2: (adf pos0) 152 * 7 6 5 4 3 2 1 0 153 * \__ enable: 0=adapter disabled, 1=adapter enabled 154 * 155 * POS register 3: (adf pos1) 156 * 157 * 7 6 5 4 3 2 1 0 158 * \_/ \___/ \___/ 159 * \ \ \__ I/O Port Addresses: 000=0x400-0x4FF 100=0x1400- 160 * \ \ 001=0x2400 101=0x3400 010=0x4400 110=0x5400 161 * \ \ 011=0x6400 111=0x7400 162 * \ \_____ Boot ROM Memory Address 163 * \ 164 * \_________ Lower 2 bit of Interrupt Request Number 165 * 166 * POS register 4: (adf pos2) 167 * 168 * 7 6 5 4 3 2 1 0 169 * \ \_______ Twisted Pair Type: 0=100 ohm, Unshielded 170 * \ 1=150 ohm, Shielded 171 * \____________ Higher 1 bit of Interrupt Request Number: 172 * 000=3 001=4 010=5 011=9 100=10 101=11 110=12 111=15 173 */ 174 175 atp = ate_mca_lookup(ma->ma_id); 176 #ifdef DIAGNOSTIC 177 if (atp == NULL) { 178 printf("\n%s: where did the card go?\n", sc->sc_dev.dv_xname); 179 return; 180 } 181 #endif 182 183 iobase = ats_iobase[pos3 & 0x7]; 184 irq = ats_irq[((pos4 & 0x40) >> 4) | ((pos3 & 0xc0) >> 6)]; 185 186 printf(" slot %d irq %d: %s\n", ma->ma_slot + 1, irq, atp->at_name); 187 188 /* Map i/o space. */ 189 if (bus_space_map(iot, iobase, ATE_NPORTS, 0, &ioh)) { 190 printf("%s: can't map i/o space\n", sc->sc_dev.dv_xname); 191 return; 192 } 193 194 sc->sc_bst = iot; 195 sc->sc_bsh = ioh; 196 197 /* Determine the card type and get ethernet address. */ 198 ate_mca_detect(iot, ioh, myea); 199 type = atp->at_type; 200 201 /* This interface is always enabled. */ 202 sc->sc_flags |= FE_FLAGS_ENABLED; 203 204 /* 205 * Do generic MB86960 attach. 206 */ 207 mb86960_attach(sc, MB86960_TYPE_86965, myea); 208 209 mb86960_config(sc, NULL, 0, 0); 210 211 /* Establish the interrupt handler. */ 212 isc->sc_ih = mca_intr_establish(ma->ma_mc, irq, IPL_NET, 213 mb86960_intr, sc); 214 if (isc->sc_ih == NULL) { 215 printf("%s: couldn't establish interrupt handler\n", 216 sc->sc_dev.dv_xname); 217 return; 218 } 219 } 220 221 /* 222 * Very simplified ate_detect() from dev/isa/if_ate.c, only 223 * to determine ethernet address. 224 */ 225 static void 226 ate_mca_detect(iot, ioh, enaddr) 227 bus_space_tag_t iot; 228 bus_space_handle_t ioh; 229 u_int8_t enaddr[ETHER_ADDR_LEN]; 230 { 231 u_char eeprom[FE_EEPROM_SIZE]; 232 233 /* Get our station address from EEPROM. */ 234 ate_read_eeprom(iot, ioh, eeprom); 235 bcopy(eeprom + FE_ATI_EEP_ADDR, enaddr, ETHER_ADDR_LEN); 236 } 237
Indexes created Sun Sep 21 20:09:37 GMT 2025