if_tra_mca.c revision 1.2.2.2
1 1.2.2.2 kent /* $NetBSD: if_tra_mca.c,v 1.2.2.2 2005/04/29 11:28:56 kent Exp $ */ 2 1.2.2.2 kent 3 1.2.2.2 kent /*- 4 1.2.2.2 kent * Copyright (c) 2004 The NetBSD Foundation, Inc. 5 1.2.2.2 kent * All rights reserved. 6 1.2.2.2 kent * 7 1.2.2.2 kent * This code is derived from software contributed to The NetBSD Foundation 8 1.2.2.2 kent * by Jaromir Dolecek. 9 1.2.2.2 kent * 10 1.2.2.2 kent * Redistribution and use in source and binary forms, with or without 11 1.2.2.2 kent * modification, are permitted provided that the following conditions 12 1.2.2.2 kent * are met: 13 1.2.2.2 kent * 1. Redistributions of source code must retain the above copyright 14 1.2.2.2 kent * notice, this list of conditions and the following disclaimer. 15 1.2.2.2 kent * 2. Redistributions in binary form must reproduce the above copyright 16 1.2.2.2 kent * notice, this list of conditions and the following disclaimer in the 17 1.2.2.2 kent * documentation and/or other materials provided with the distribution. 18 1.2.2.2 kent * 3. All advertising materials mentioning features or use of this software 19 1.2.2.2 kent * must display the following acknowledgement: 20 1.2.2.2 kent * This product includes software developed by the NetBSD 21 1.2.2.2 kent * Foundation, Inc. and its contributors. 22 1.2.2.2 kent * 4. Neither the name of The NetBSD Foundation nor the names of its 23 1.2.2.2 kent * contributors may be used to endorse or promote products derived 24 1.2.2.2 kent * from this software without specific prior written permission. 25 1.2.2.2 kent * 26 1.2.2.2 kent * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS 27 1.2.2.2 kent * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED 28 1.2.2.2 kent * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 29 1.2.2.2 kent * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS 30 1.2.2.2 kent * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 31 1.2.2.2 kent * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 32 1.2.2.2 kent * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 33 1.2.2.2 kent * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 34 1.2.2.2 kent * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 35 1.2.2.2 kent * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 36 1.2.2.2 kent * POSSIBILITY OF SUCH DAMAGE. 37 1.2.2.2 kent */ 38 1.2.2.2 kent 39 1.2.2.2 kent /* 40 1.2.2.2 kent * Driver for Tiara LANCard/E II and friends adapted from if_ate_mca.c 41 1.2.2.2 kent * by Dave J. Barnes 2004. 42 1.2.2.2 kent */ 43 1.2.2.2 kent 44 1.2.2.2 kent #include <sys/cdefs.h> 45 1.2.2.2 kent __KERNEL_RCSID(0, "$NetBSD: if_tra_mca.c,v 1.2.2.2 2005/04/29 11:28:56 kent Exp $"); 46 1.2.2.2 kent 47 1.2.2.2 kent #include <sys/param.h> 48 1.2.2.2 kent #include <sys/systm.h> 49 1.2.2.2 kent #include <sys/device.h> 50 1.2.2.2 kent #include <sys/socket.h> 51 1.2.2.2 kent #include <sys/syslog.h> 52 1.2.2.2 kent 53 1.2.2.2 kent #include <net/if.h> 54 1.2.2.2 kent #include <net/if_ether.h> 55 1.2.2.2 kent #include <net/if_media.h> 56 1.2.2.2 kent 57 1.2.2.2 kent #include <machine/bus.h> 58 1.2.2.2 kent #include <machine/intr.h> 59 1.2.2.2 kent 60 1.2.2.2 kent #include <dev/ic/mb86950reg.h> 61 1.2.2.2 kent #include <dev/ic/mb86950var.h> 62 1.2.2.2 kent 63 1.2.2.2 kent #include <dev/mca/mcavar.h> 64 1.2.2.2 kent #include <dev/mca/mcadevs.h> 65 1.2.2.2 kent 66 1.2.2.2 kent int tiara_mca_match __P((struct device *, struct cfdata *, void *)); 67 1.2.2.2 kent void tiara_mca_attach __P((struct device *, struct device *, void *)); 68 1.2.2.2 kent 69 1.2.2.2 kent #define TIARA_NPORTS 0x20 /* 32 */ 70 1.2.2.2 kent #define TIARA_PROM_ID 24 /* offset to mac addr stored in prom */ 71 1.2.2.2 kent 72 1.2.2.2 kent struct tiara_softc { 73 1.2.2.2 kent struct mb86950_softc sc_mb86950; /* real "mb86950" softc */ 74 1.2.2.2 kent 75 1.2.2.2 kent /* MCA-specific goo. */ 76 1.2.2.2 kent void *sc_ih; /* interrupt cookie */ 77 1.2.2.2 kent }; 78 1.2.2.2 kent 79 1.2.2.2 kent CFATTACH_DECL(tra_mca, sizeof(struct tiara_softc), 80 1.2.2.2 kent tiara_mca_match, tiara_mca_attach, NULL, NULL); 81 1.2.2.2 kent 82 1.2.2.2 kent static const struct tiara_mca_product { 83 1.2.2.2 kent u_int32_t tra_prodid; /* MCA product ID */ 84 1.2.2.2 kent const char *tra_name; /* device name */ 85 1.2.2.2 kent } tiara_mca_products[] = { 86 1.2.2.2 kent { MCA_PRODUCT_TIARA, "Tiara LANCard/E2"}, 87 1.2.2.2 kent { MCA_PRODUCT_TIARA_TP, "Tiara LANCard/E2 TP"}, 88 1.2.2.2 kent { MCA_PRODUCT_SMC3016, "SMC 3016/MC"}, 89 1.2.2.2 kent { 0 } 90 1.2.2.2 kent }; 91 1.2.2.2 kent 92 1.2.2.2 kent static const struct tiara_mca_product *tiara_mca_lookup __P((u_int32_t)); 93 1.2.2.2 kent 94 1.2.2.2 kent static const struct tiara_mca_product * 95 1.2.2.2 kent tiara_mca_lookup(id) 96 1.2.2.2 kent u_int32_t id; 97 1.2.2.2 kent { 98 1.2.2.2 kent const struct tiara_mca_product *tra_p; 99 1.2.2.2 kent 100 1.2.2.2 kent for (tra_p = tiara_mca_products; tra_p->tra_name != NULL; tra_p++) 101 1.2.2.2 kent if (id == tra_p->tra_prodid) 102 1.2.2.2 kent return (tra_p); 103 1.2.2.2 kent 104 1.2.2.2 kent return (NULL); 105 1.2.2.2 kent } 106 1.2.2.2 kent 107 1.2.2.2 kent int 108 1.2.2.2 kent tiara_mca_match(parent, match, aux) 109 1.2.2.2 kent struct device *parent; 110 1.2.2.2 kent struct cfdata *match; 111 1.2.2.2 kent void *aux; 112 1.2.2.2 kent { 113 1.2.2.2 kent struct mca_attach_args *ma = (struct mca_attach_args *) aux; 114 1.2.2.2 kent 115 1.2.2.2 kent if (tiara_mca_lookup(ma->ma_id) != NULL) 116 1.2.2.2 kent return (1); 117 1.2.2.2 kent 118 1.2.2.2 kent return (0); 119 1.2.2.2 kent } 120 1.2.2.2 kent 121 1.2.2.2 kent /* see POS diagrams below for explanation */ 122 1.2.2.2 kent static const int tiara_irq[] = { 123 1.2.2.2 kent 3, 4, 7, 9 124 1.2.2.2 kent }; 125 1.2.2.2 kent static const int smc_iobase[] = { 126 1.2.2.2 kent 0x300, 0x340, 0x360, 0x1980, 0x2000, 0x5680, 0x5900, 0x8080 127 1.2.2.2 kent }; 128 1.2.2.2 kent static const int smc_irq[] = { 129 1.2.2.2 kent 9, 10, 11, 15, 3, 5, 7, 4 130 1.2.2.2 kent }; 131 1.2.2.2 kent 132 1.2.2.2 kent void 133 1.2.2.2 kent tiara_mca_attach(parent, self, aux) 134 1.2.2.2 kent struct device *parent, *self; 135 1.2.2.2 kent void *aux; 136 1.2.2.2 kent { 137 1.2.2.2 kent struct tiara_softc *isc = (struct tiara_softc *)self; 138 1.2.2.2 kent struct mb86950_softc *sc = &isc->sc_mb86950; 139 1.2.2.2 kent struct mca_attach_args *ma = aux; 140 1.2.2.2 kent bus_space_tag_t iot = ma->ma_iot; 141 1.2.2.2 kent bus_space_handle_t ioh; 142 1.2.2.2 kent u_int8_t myea[ETHER_ADDR_LEN]; 143 1.2.2.2 kent int pos2; 144 1.2.2.2 kent int iobase = 0, irq = 0; 145 1.2.2.2 kent const struct tiara_mca_product *tra_p; 146 1.2.2.2 kent 147 1.2.2.2 kent pos2 = mca_conf_read(ma->ma_mc, ma->ma_slot, 2); 148 1.2.2.2 kent 149 1.2.2.2 kent tra_p = tiara_mca_lookup(ma->ma_id); 150 1.2.2.2 kent 151 1.2.2.2 kent switch (tra_p->tra_prodid) { 152 1.2.2.2 kent 153 1.2.2.2 kent case MCA_PRODUCT_TIARA: 154 1.2.2.2 kent case MCA_PRODUCT_TIARA_TP: 155 1.2.2.2 kent /* 156 1.2.2.2 kent * POS register 2: (adf pos0) 157 1.2.2.2 kent * 7 6 5 4 3 2 1 0 158 1.2.2.2 kent * \_____/ \_/ \ \__ enable: 0=disabled, 1=enabled 159 1.2.2.2 kent * \ \ \___ boot rom: 0=disabled, 1=enabled 160 1.2.2.2 kent * \ \______ IRQ 00=3 01=4 10=7 11=9 161 1.2.2.2 kent * \_________ Base I/O Port 162 1.2.2.2 kent * 0000=0x1200 0001=0x1220 ... 1110=0x13c0 1111=0x13e0 163 1.2.2.2 kent * 164 1.2.2.2 kent * POS register 3: (adf pos1) not used 165 1.2.2.2 kent * POS register 4: (adf pos2) not used 166 1.2.2.2 kent * 167 1.2.2.2 kent * POS register 5: (adf pos3) ignored 168 1.2.2.2 kent * 169 1.2.2.2 kent * 7 6 5 4 3 2 1 0 170 1.2.2.2 kent * 1 1 0 X \____/ 171 1.2.2.2 kent * \____EPROM Address 172 1.2.2.2 kent */ 173 1.2.2.2 kent iobase = 0x1200 + ((pos2 & 0xf0) << 1); 174 1.2.2.2 kent irq = tiara_irq[((pos2 & 0x0c) >> 2)]; 175 1.2.2.2 kent 176 1.2.2.2 kent /* XXX SWAG for number pkts. */ 177 1.2.2.2 kent /* My Tiara LANCard has 128K memory ?!? */ 178 1.2.2.2 kent sc->txb_num_pkt = 4; 179 1.2.2.2 kent sc->rxb_num_pkt = (65535 - 8192 - 4) / 64; 180 1.2.2.2 kent /* XXX */ 181 1.2.2.2 kent 182 1.2.2.2 kent break; 183 1.2.2.2 kent 184 1.2.2.2 kent case MCA_PRODUCT_SMC3016: 185 1.2.2.2 kent /* 186 1.2.2.2 kent * POS register 2: (adf pos0) 187 1.2.2.2 kent * 7 6 5 4 3 2 1 0 188 1.2.2.2 kent * \_____/ \___/ \__ enable: 0=disabled, 1=enabled 189 1.2.2.2 kent * \ \_____ I/O Address (see ioaddr table) 190 1.2.2.2 kent * \__________ IRQ (see irq table) 191 1.2.2.2 kent * 192 1.2.2.2 kent * POS register 3: (adf pos1) ignored 193 1.2.2.2 kent * 7 6 5 4 3 2 1 0 194 1.2.2.2 kent * X X X X \____/ 195 1.2.2.2 kent * \____EPROM Address (0000 = not used) 196 1.2.2.2 kent */ 197 1.2.2.2 kent iobase = smc_iobase[((pos2 & 0x0e) >> 1)]; 198 1.2.2.2 kent if ((pos2 & 0x80) != 0) 199 1.2.2.2 kent irq = smc_irq[((pos2 & 0x70) >> 4)]; 200 1.2.2.2 kent else { 201 1.2.2.2 kent printf("%s: unsupported irq selected\n", 202 1.2.2.2 kent sc->sc_dev.dv_xname); 203 1.2.2.2 kent return; 204 1.2.2.2 kent } 205 1.2.2.2 kent 206 1.2.2.2 kent /* XXX SWAG for number pkts. */ 207 1.2.2.2 kent /* The SMC3016 has a 12K rx buffer and a 4k tx buffer */ 208 1.2.2.2 kent sc->txb_num_pkt = 2; 209 1.2.2.2 kent sc->rxb_num_pkt = (12288 - 4) / 64; 210 1.2.2.2 kent /* XXX */ 211 1.2.2.2 kent 212 1.2.2.2 kent break; 213 1.2.2.2 kent } 214 1.2.2.2 kent 215 1.2.2.2 kent 216 1.2.2.2 kent #ifdef DIAGNOSTIC 217 1.2.2.2 kent tra_p = tiara_mca_lookup(ma->ma_id); 218 1.2.2.2 kent if (tra_p == NULL) { 219 1.2.2.2 kent printf("\n%s: where did the card go?\n", sc->sc_dev.dv_xname); 220 1.2.2.2 kent return; 221 1.2.2.2 kent } 222 1.2.2.2 kent #endif 223 1.2.2.2 kent 224 1.2.2.2 kent printf(" slot %d ports %#x-%#x irq %d: %s\n", ma->ma_slot + 1,iobase, iobase + TIARA_NPORTS, irq, tra_p->tra_name); 225 1.2.2.2 kent 226 1.2.2.2 kent /* Map i/o space. */ 227 1.2.2.2 kent if (bus_space_map(iot, iobase, TIARA_NPORTS, 0, &ioh)) { 228 1.2.2.2 kent printf("%s: can't map i/o space\n", sc->sc_dev.dv_xname); 229 1.2.2.2 kent return; 230 1.2.2.2 kent } 231 1.2.2.2 kent 232 1.2.2.2 kent sc->sc_bst = iot; 233 1.2.2.2 kent sc->sc_bsh = ioh; 234 1.2.2.2 kent 235 1.2.2.2 kent /* Get ethernet address from PROM */ 236 1.2.2.2 kent bus_space_read_region_1(iot, ioh, TIARA_PROM_ID, myea, ETHER_ADDR_LEN); 237 1.2.2.2 kent 238 1.2.2.2 kent /* This interface is always enabled. */ 239 1.2.2.2 kent /* XXX 240 1.2.2.2 kent sc->sc_stat |= NIC_STAT_ENABLED; 241 1.2.2.2 kent */ 242 1.2.2.2 kent 243 1.2.2.2 kent /* 244 1.2.2.2 kent * Do generic MB86950 attach. 245 1.2.2.2 kent */ 246 1.2.2.2 kent mb86950_attach(sc, myea); 247 1.2.2.2 kent 248 1.2.2.2 kent 249 1.2.2.2 kent mb86950_config(sc, NULL, 0, 0); 250 1.2.2.2 kent 251 1.2.2.2 kent /* Establish the interrupt handler. */ 252 1.2.2.2 kent isc->sc_ih = mca_intr_establish(ma->ma_mc, irq, IPL_NET, 253 1.2.2.2 kent mb86950_intr, sc); 254 1.2.2.2 kent if (isc->sc_ih == NULL) { 255 1.2.2.2 kent printf("%s: couldn't establish interrupt handler\n", 256 1.2.2.2 kent sc->sc_dev.dv_xname); 257 1.2.2.2 kent return; 258 1.2.2.2 kent } 259 1.2.2.2 kent } 260
Indexes created Thu Oct 02 14:10:14 GMT 2025