if_ate_mca.c revision 1.20
1 /* $NetBSD: if_ate_mca.c,v 1.20 2008/04/12 06:27:01 tsutsui 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 1.20 2008/04/12 06:27:01 tsutsui 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 <sys/bus.h> 57 #include <sys/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(device_t, cfdata_t, void *); 66 void ate_mca_attach(device_t, device_t, void *); 67 static void ate_mca_detect(bus_space_tag_t, bus_space_handle_t, 68 uint8_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_NEW(ate_mca, sizeof(struct ate_softc), 80 ate_mca_match, ate_mca_attach, NULL, NULL); 81 82 static const struct ate_mca_product { 83 uint32_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(uint32_t); 95 96 static const struct ate_mca_product * 97 ate_mca_lookup(uint32_t id) 98 { 99 const struct ate_mca_product *atp; 100 101 for (atp = ate_mca_products; atp->at_name != NULL; atp++) 102 if (id == atp->at_prodid) 103 return atp; 104 105 return NULL; 106 } 107 108 int 109 ate_mca_match(device_t parent, cfdata_t cf, void *aux) 110 { 111 struct mca_attach_args *ma = aux; 112 113 if (ate_mca_lookup(ma->ma_id) != NULL) 114 return 1; 115 116 return 0; 117 } 118 119 /* see POS diagrams below for explanation of these arrays' contents */ 120 static const int ats_iobase[] = { 121 0x400, 0x2400, 0x4400, 0x6400, 0x1400, 0x3400, 0x5400, 0x7400 122 }; 123 static const int ats_irq[] = { 124 3, 4, 5, 9, 10, 11, 12, 15 125 }; 126 127 void 128 ate_mca_attach(device_t parent, device_t self, void *aux) 129 { 130 struct ate_softc *isc = device_private(self); 131 struct mb86960_softc *sc = &isc->sc_mb86960; 132 struct mca_attach_args *ma = aux; 133 bus_space_tag_t iot = ma->ma_iot; 134 bus_space_handle_t ioh; 135 uint8_t myea[ETHER_ADDR_LEN]; 136 int pos3, pos4; 137 int iobase, irq; 138 const struct ate_mca_product *atp; 139 140 sc->sc_dev = self; 141 142 pos3 = mca_conf_read(ma->ma_mc, ma->ma_slot, 3); 143 pos4 = mca_conf_read(ma->ma_mc, ma->ma_slot, 4); 144 145 /* 146 * POS register 2: (adf pos0) 147 * 7 6 5 4 3 2 1 0 148 * \__ enable: 0=adapter disabled, 1=adapter enabled 149 * 150 * POS register 3: (adf pos1) 151 * 152 * 7 6 5 4 3 2 1 0 153 * \_/ \___/ \___/ 154 * \ \ \__ I/O Port Addresses: 000=0x400-0x4FF 100=0x1400- 155 * \ \ 001=0x2400 101=0x3400 010=0x4400 110=0x5400 156 * \ \ 011=0x6400 111=0x7400 157 * \ \_____ Boot ROM Memory Address 158 * \ 159 * \_________ Lower 2 bit of Interrupt Request Number 160 * 161 * POS register 4: (adf pos2) 162 * 163 * 7 6 5 4 3 2 1 0 164 * \ \_______ Twisted Pair Type: 0=100 ohm, Unshielded 165 * \ 1=150 ohm, Shielded 166 * \____________ Higher 1 bit of Interrupt Request Number: 167 * 000=3 001=4 010=5 011=9 100=10 101=11 110=12 111=15 168 */ 169 170 atp = ate_mca_lookup(ma->ma_id); 171 #ifdef DIAGNOSTIC 172 if (atp == NULL) { 173 aprint_normal("\n"); 174 aprint_error_dev(sc->sc_dev, "where did the card go?\n"); 175 return; 176 } 177 #endif 178 179 iobase = ats_iobase[pos3 & 0x7]; 180 irq = ats_irq[((pos4 & 0x40) >> 4) | ((pos3 & 0xc0) >> 6)]; 181 182 aprint_normal(" slot %d irq %d: %s\n", 183 ma->ma_slot + 1, irq, atp->at_name); 184 185 /* Map i/o space. */ 186 if (bus_space_map(iot, iobase, ATE_NPORTS, 0, &ioh)) { 187 aprint_error_dev(sc->sc_dev, "can't map i/o space\n"); 188 return; 189 } 190 191 sc->sc_bst = iot; 192 sc->sc_bsh = ioh; 193 194 /* Get ethernet address. */ 195 ate_mca_detect(iot, ioh, myea); 196 197 /* This interface is always enabled. */ 198 sc->sc_stat |= FE_STAT_ENABLED; 199 200 /* 201 * Do generic MB86960 attach. 202 */ 203 mb86960_attach(sc, myea); 204 205 mb86960_config(sc, NULL, 0, 0); 206 207 /* Establish the interrupt handler. */ 208 isc->sc_ih = mca_intr_establish(ma->ma_mc, irq, IPL_NET, 209 mb86960_intr, sc); 210 if (isc->sc_ih == NULL) { 211 aprint_error_dev(sc->sc_dev, 212 "couldn't establish interrupt handler\n"); 213 return; 214 } 215 } 216 217 /* 218 * Very simplified ate_detect() from dev/isa/if_ate.c, only 219 * to determine ethernet address. 220 */ 221 static void 222 ate_mca_detect(bus_space_tag_t iot, bus_space_handle_t ioh, 223 uint8_t enaddr[ETHER_ADDR_LEN]) 224 { 225 uint8_t eeprom[FE_EEPROM_SIZE]; 226 227 /* Get our station address from EEPROM. */ 228 mb86965_read_eeprom(iot, ioh, eeprom); 229 memcpy(enaddr, eeprom + FE_ATI_EEP_ADDR, ETHER_ADDR_LEN); 230 } 231
Indexes created Mon Sep 22 05:09:51 GMT 2025