1 /* $NetBSD: if_ate_mca.c,v 1.3 2001/11/13 07:46:25 lukem 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 1.3 2001/11/13 07:46:25 lukem 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 #include <dev/isa/if_fereg.h> /* XXX */ 66 67 int ate_mca_match __P((struct device *, struct cfdata *, void *)); 68 void ate_mca_attach __P((struct device *, struct device *, void *)); 69 static void ate_mca_detect __P((bus_space_tag_t, bus_space_handle_t, 70 u_int8_t enaddr[ETHER_ADDR_LEN])); 71 72 #define ATE_NPORTS 0x20 73 74 struct ate_softc { 75 struct mb86960_softc sc_mb86960; /* real "mb86960" softc */ 76 77 /* MCA-specific goo. */ 78 void *sc_ih; /* interrupt cookie */ 79 }; 80 81 struct cfattach ate_mca_ca = { 82 sizeof(struct ate_softc), ate_mca_match, ate_mca_attach 83 }; 84 85 static const struct ate_mca_product { 86 u_int32_t at_prodid; /* MCA product ID */ 87 const char *at_name; /* device name */ 88 int at_type; /* device type */ 89 } ate_mca_products[] = { 90 { MCA_PRODUCT_AT1720T, "ATI AT1720T", FE_TYPE_AT1700T }, 91 { MCA_PRODUCT_AT1720BT, "ATI AT1720BT", FE_TYPE_AT1700BT }, 92 { MCA_PRODUCT_AT1720AT, "ATI AT1720AT", FE_TYPE_AT1700AT }, 93 { MCA_PRODUCT_AT1720FT, "ATI AT1720FT", FE_TYPE_AT1700FT }, 94 { 0, }, 95 }; 96 97 static const struct ate_mca_product *ate_mca_lookup __P((u_int32_t)); 98 99 static const struct ate_mca_product * 100 ate_mca_lookup(id) 101 u_int32_t id; 102 { 103 const struct ate_mca_product *atp; 104 105 for (atp = ate_mca_products; atp->at_name != NULL; atp++) 106 if (id == atp->at_prodid) 107 return (atp); 108 109 return (NULL); 110 } 111 112 int 113 ate_mca_match(parent, match, aux) 114 struct device *parent; 115 struct cfdata *match; 116 void *aux; 117 { 118 struct mca_attach_args *ma = (struct mca_attach_args *) aux; 119 120 if (ate_mca_lookup(ma->ma_id) != NULL) 121 return (1); 122 123 return (0); 124 } 125 126 /* see POS diagrams below for explanation of these arrays' contents */ 127 static const int ats_iobase[] = { 128 0x400, 0x2400, 0x4400, 0x6400, 0x1400, 0x3400, 0x5400, 0x7400 129 }; 130 static const int ats_irq[] = { 131 3, 4, 5, 9, 10, 11, 12, 15 132 }; 133 134 void 135 ate_mca_attach(parent, self, aux) 136 struct device *parent, *self; 137 void *aux; 138 { 139 struct ate_softc *isc = (struct ate_softc *)self; 140 struct mb86960_softc *sc = &isc->sc_mb86960; 141 struct mca_attach_args *ma = aux; 142 bus_space_tag_t iot = ma->ma_iot; 143 bus_space_handle_t ioh; 144 u_int8_t myea[ETHER_ADDR_LEN]; 145 int type, pos3, pos4; 146 int iobase, irq; 147 const struct ate_mca_product *atp; 148 149 pos3 = mca_conf_read(ma->ma_mc, ma->ma_slot, 3); 150 pos4 = mca_conf_read(ma->ma_mc, ma->ma_slot, 4); 151 152 /* 153 * POS register 2: (adf pos0) 154 * 7 6 5 4 3 2 1 0 155 * \__ enable: 0=adapter disabled, 1=adapter enabled 156 * 157 * POS register 3: (adf pos1) 158 * 159 * 7 6 5 4 3 2 1 0 160 * \_/ \___/ \___/ 161 * \ \ \__ I/O Port Addresses: 000=0x400-0x4FF 100=0x1400- 162 * \ \ 001=0x2400 101=0x3400 010=0x4400 110=0x5400 163 * \ \ 011=0x6400 111=0x7400 164 * \ \_____ Boot ROM Memory Address 165 * \ 166 * \_________ Lower 2 bit of Interrupt Request Number 167 * 168 * POS register 4: (adf pos2) 169 * 170 * 7 6 5 4 3 2 1 0 171 * \ \_______ Twisted Pair Type: 0=100 ohm, Unshielded 172 * \ 1=150 ohm, Shielded 173 * \____________ Higher 1 bit of Interrupt Request Number: 174 * 000=3 001=4 010=5 011=9 100=10 101=11 110=12 111=15 175 */ 176 177 atp = ate_mca_lookup(ma->ma_id); 178 #ifdef DIAGNOSTIC 179 if (atp == NULL) { 180 printf("\n%s: where did the card go?\n", sc->sc_dev.dv_xname); 181 return; 182 } 183 #endif 184 185 iobase = ats_iobase[pos3 & 0x7]; 186 irq = ats_irq[((pos4 & 0x40) >> 4) | ((pos3 & 0xc0) >> 6)]; 187 188 printf(" slot %d irq %d: %s\n", ma->ma_slot + 1, irq, atp->at_name); 189 190 /* Map i/o space. */ 191 if (bus_space_map(iot, iobase, ATE_NPORTS, 0, &ioh)) { 192 printf("%s: can't map i/o space\n", sc->sc_dev.dv_xname); 193 return; 194 } 195 196 sc->sc_bst = iot; 197 sc->sc_bsh = ioh; 198 199 /* Determine the card type and get ethernet address. */ 200 ate_mca_detect(iot, ioh, myea); 201 type = atp->at_type; 202 203 /* This interface is always enabled. */ 204 sc->sc_flags |= FE_FLAGS_ENABLED; 205 206 /* 207 * Do generic MB86960 attach. 208 */ 209 mb86960_attach(sc, MB86960_TYPE_86965, myea); 210 211 mb86960_config(sc, NULL, 0, 0); 212 213 /* Establish the interrupt handler. */ 214 isc->sc_ih = mca_intr_establish(ma->ma_mc, irq, IPL_NET, 215 mb86960_intr, sc); 216 if (isc->sc_ih == NULL) { 217 printf("%s: couldn't establish interrupt handler\n", 218 sc->sc_dev.dv_xname); 219 return; 220 } 221 } 222 223 /* 224 * Very simplified ate_detect() from dev/isa/if_ate.c, only 225 * to determine ethernet address. 226 */ 227 static void 228 ate_mca_detect(iot, ioh, enaddr) 229 bus_space_tag_t iot; 230 bus_space_handle_t ioh; 231 u_int8_t enaddr[ETHER_ADDR_LEN]; 232 { 233 u_char eeprom[FE_EEPROM_SIZE]; 234 235 /* Get our station address from EEPROM. */ 236 ate_read_eeprom(iot, ioh, eeprom); 237 bcopy(eeprom + FE_ATI_EEP_ADDR, enaddr, ETHER_ADDR_LEN); 238 } 239