if_ate_mca.c revision 1.16
1 /* $NetBSD: if_ate_mca.c,v 1.16 2006/10/12 01:31:25 christos 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 1.16 2006/10/12 01:31:25 christos 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 62 #include <dev/mca/mcavar.h> 63 #include <dev/mca/mcadevs.h> 64 65 int ate_mca_match(struct device *, struct cfdata *, void *); 66 void ate_mca_attach(struct device *, struct device *, void *); 67 static void ate_mca_detect(bus_space_tag_t, bus_space_handle_t, 68 u_int8_t enaddr[ETHER_ADDR_LEN]); 69 70 #define ATE_NPORTS 0x20 71 72 struct ate_softc { 73 struct mb86960_softc sc_mb86960; /* real "mb86960" softc */ 74 75 /* MCA-specific goo. */ 76 void *sc_ih; /* interrupt cookie */ 77 }; 78 79 CFATTACH_DECL(ate_mca, sizeof(struct ate_softc), 80 ate_mca_match, ate_mca_attach, NULL, NULL); 81 82 static const struct ate_mca_product { 83 u_int32_t at_prodid; /* MCA product ID */ 84 const char *at_name; /* device name */ 85 int at_type; /* device type */ 86 } ate_mca_products[] = { 87 { MCA_PRODUCT_AT1720T, "ATI AT1720T", FE_TYPE_AT1700T }, 88 { MCA_PRODUCT_AT1720BT, "ATI AT1720BT", FE_TYPE_AT1700BT }, 89 { MCA_PRODUCT_AT1720AT, "ATI AT1720AT", FE_TYPE_AT1700AT }, 90 { MCA_PRODUCT_AT1720FT, "ATI AT1720FT", FE_TYPE_AT1700FT }, 91 { 0, NULL, 0 }, 92 }; 93 94 static const struct ate_mca_product *ate_mca_lookup(u_int32_t); 95 96 static const struct ate_mca_product * 97 ate_mca_lookup(id) 98 u_int32_t id; 99 { 100 const struct ate_mca_product *atp; 101 102 for (atp = ate_mca_products; atp->at_name != NULL; atp++) 103 if (id == atp->at_prodid) 104 return (atp); 105 106 return (NULL); 107 } 108 109 int 110 ate_mca_match(struct device *parent __unused, struct cfdata *match __unused, 111 void *aux) 112 { 113 struct mca_attach_args *ma = (struct mca_attach_args *) aux; 114 115 if (ate_mca_lookup(ma->ma_id) != NULL) 116 return (1); 117 118 return (0); 119 } 120 121 /* see POS diagrams below for explanation of these arrays' contents */ 122 static const int ats_iobase[] = { 123 0x400, 0x2400, 0x4400, 0x6400, 0x1400, 0x3400, 0x5400, 0x7400 124 }; 125 static const int ats_irq[] = { 126 3, 4, 5, 9, 10, 11, 12, 15 127 }; 128 129 void 130 ate_mca_attach(struct device *parent __unused, struct device *self, 131 void *aux) 132 { 133 struct ate_softc *isc = device_private(self); 134 struct mb86960_softc *sc = &isc->sc_mb86960; 135 struct mca_attach_args *ma = aux; 136 bus_space_tag_t iot = ma->ma_iot; 137 bus_space_handle_t ioh; 138 u_int8_t myea[ETHER_ADDR_LEN]; 139 int pos3, pos4; 140 int iobase, irq; 141 const struct ate_mca_product *atp; 142 143 pos3 = mca_conf_read(ma->ma_mc, ma->ma_slot, 3); 144 pos4 = mca_conf_read(ma->ma_mc, ma->ma_slot, 4); 145 146 /* 147 * POS register 2: (adf pos0) 148 * 7 6 5 4 3 2 1 0 149 * \__ enable: 0=adapter disabled, 1=adapter enabled 150 * 151 * POS register 3: (adf pos1) 152 * 153 * 7 6 5 4 3 2 1 0 154 * \_/ \___/ \___/ 155 * \ \ \__ I/O Port Addresses: 000=0x400-0x4FF 100=0x1400- 156 * \ \ 001=0x2400 101=0x3400 010=0x4400 110=0x5400 157 * \ \ 011=0x6400 111=0x7400 158 * \ \_____ Boot ROM Memory Address 159 * \ 160 * \_________ Lower 2 bit of Interrupt Request Number 161 * 162 * POS register 4: (adf pos2) 163 * 164 * 7 6 5 4 3 2 1 0 165 * \ \_______ Twisted Pair Type: 0=100 ohm, Unshielded 166 * \ 1=150 ohm, Shielded 167 * \____________ Higher 1 bit of Interrupt Request Number: 168 * 000=3 001=4 010=5 011=9 100=10 101=11 110=12 111=15 169 */ 170 171 atp = ate_mca_lookup(ma->ma_id); 172 #ifdef DIAGNOSTIC 173 if (atp == NULL) { 174 printf("\n%s: where did the card go?\n", sc->sc_dev.dv_xname); 175 return; 176 } 177 #endif 178 179 iobase = ats_iobase[pos3 & 0x7]; 180 irq = ats_irq[((pos4 & 0x40) >> 4) | ((pos3 & 0xc0) >> 6)]; 181 182 printf(" slot %d irq %d: %s\n", ma->ma_slot + 1, irq, atp->at_name); 183 184 /* Map i/o space. */ 185 if (bus_space_map(iot, iobase, ATE_NPORTS, 0, &ioh)) { 186 printf("%s: can't map i/o space\n", sc->sc_dev.dv_xname); 187 return; 188 } 189 190 sc->sc_bst = iot; 191 sc->sc_bsh = ioh; 192 193 /* Get ethernet address. */ 194 ate_mca_detect(iot, ioh, myea); 195 196 /* This interface is always enabled. */ 197 sc->sc_stat |= FE_STAT_ENABLED; 198 199 /* 200 * Do generic MB86960 attach. 201 */ 202 mb86960_attach(sc, myea); 203 204 mb86960_config(sc, NULL, 0, 0); 205 206 /* Establish the interrupt handler. */ 207 isc->sc_ih = mca_intr_establish(ma->ma_mc, irq, IPL_NET, 208 mb86960_intr, sc); 209 if (isc->sc_ih == NULL) { 210 printf("%s: couldn't establish interrupt handler\n", 211 sc->sc_dev.dv_xname); 212 return; 213 } 214 } 215 216 /* 217 * Very simplified ate_detect() from dev/isa/if_ate.c, only 218 * to determine ethernet address. 219 */ 220 static void 221 ate_mca_detect(iot, ioh, enaddr) 222 bus_space_tag_t iot; 223 bus_space_handle_t ioh; 224 u_int8_t enaddr[ETHER_ADDR_LEN]; 225 { 226 u_int8_t eeprom[FE_EEPROM_SIZE]; 227 228 /* Get our station address from EEPROM. */ 229 mb86965_read_eeprom(iot, ioh, eeprom); 230 memcpy(enaddr, eeprom + FE_ATI_EEP_ADDR, ETHER_ADDR_LEN); 231 } 232
Indexes created Wed Sep 24 15:09:51 GMT 2025