if_we_mca.c revision 1.3.2.3
1 1.3.2.3 nathanw /* $NetBSD: if_we_mca.c,v 1.3.2.3 2001/06/21 20:04:07 nathanw Exp $ */ 2 1.3.2.2 nathanw 3 1.3.2.2 nathanw /*- 4 1.3.2.2 nathanw * Copyright (c) 1997, 1998, 2001 The NetBSD Foundation, Inc. 5 1.3.2.2 nathanw * All rights reserved. 6 1.3.2.2 nathanw * 7 1.3.2.2 nathanw * This code is derived from software contributed to The NetBSD Foundation 8 1.3.2.2 nathanw * by Jason R. Thorpe of the Numerical Aerospace Simulation Facility, 9 1.3.2.2 nathanw * NASA Ames Research Center, and Jaromir Dolecek. 10 1.3.2.2 nathanw * 11 1.3.2.2 nathanw * Redistribution and use in source and binary forms, with or without 12 1.3.2.2 nathanw * modification, are permitted provided that the following conditions 13 1.3.2.2 nathanw * are met: 14 1.3.2.2 nathanw * 1. Redistributions of source code must retain the above copyright 15 1.3.2.2 nathanw * notice, this list of conditions and the following disclaimer. 16 1.3.2.2 nathanw * 2. Redistributions in binary form must reproduce the above copyright 17 1.3.2.2 nathanw * notice, this list of conditions and the following disclaimer in the 18 1.3.2.2 nathanw * documentation and/or other materials provided with the distribution. 19 1.3.2.2 nathanw * 3. All advertising materials mentioning features or use of this software 20 1.3.2.2 nathanw * must display the following acknowledgement: 21 1.3.2.2 nathanw * This product includes software developed by the NetBSD 22 1.3.2.2 nathanw * Foundation, Inc. and its contributors. 23 1.3.2.2 nathanw * 4. Neither the name of The NetBSD Foundation nor the names of its 24 1.3.2.2 nathanw * contributors may be used to endorse or promote products derived 25 1.3.2.2 nathanw * from this software without specific prior written permission. 26 1.3.2.2 nathanw * 27 1.3.2.2 nathanw * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS 28 1.3.2.2 nathanw * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED 29 1.3.2.2 nathanw * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 30 1.3.2.2 nathanw * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS 31 1.3.2.2 nathanw * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 32 1.3.2.2 nathanw * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 33 1.3.2.2 nathanw * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 34 1.3.2.2 nathanw * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 35 1.3.2.2 nathanw * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 36 1.3.2.2 nathanw * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 37 1.3.2.2 nathanw * POSSIBILITY OF SUCH DAMAGE. 38 1.3.2.2 nathanw */ 39 1.3.2.2 nathanw 40 1.3.2.2 nathanw /* 41 1.3.2.2 nathanw * Device driver for National Semiconductor DS8390/WD83C690 based ethernet 42 1.3.2.2 nathanw * adapters. 43 1.3.2.2 nathanw * 44 1.3.2.2 nathanw * Copyright (c) 1994, 1995 Charles M. Hannum. All rights reserved. 45 1.3.2.2 nathanw * 46 1.3.2.2 nathanw * Copyright (C) 1993, David Greenman. This software may be used, modified, 47 1.3.2.2 nathanw * copied, distributed, and sold, in both source and binary form provided that 48 1.3.2.2 nathanw * the above copyright and these terms are retained. Under no circumstances is 49 1.3.2.2 nathanw * the author responsible for the proper functioning of this software, nor does 50 1.3.2.2 nathanw * the author assume any responsibility for damages incurred with its use. 51 1.3.2.2 nathanw */ 52 1.3.2.2 nathanw 53 1.3.2.2 nathanw /* 54 1.3.2.2 nathanw * Device driver for the Western Digital/SMC 8003 and 8013 series, 55 1.3.2.2 nathanw * and the SMC Elite Ultra (8216). 56 1.3.2.2 nathanw * 57 1.3.2.2 nathanw * Currently only tested with WD8003W/A. Other WD8003-based cards 58 1.3.2.2 nathanw * should work without problems, the SMC Elite based ones hopefully too. 59 1.3.2.2 nathanw */ 60 1.3.2.2 nathanw 61 1.3.2.2 nathanw #include <sys/param.h> 62 1.3.2.2 nathanw #include <sys/systm.h> 63 1.3.2.2 nathanw #include <sys/device.h> 64 1.3.2.2 nathanw #include <sys/socket.h> 65 1.3.2.2 nathanw #include <sys/mbuf.h> 66 1.3.2.2 nathanw 67 1.3.2.2 nathanw #include <net/if.h> 68 1.3.2.2 nathanw #include <net/if_types.h> 69 1.3.2.2 nathanw #include <net/if_media.h> 70 1.3.2.2 nathanw #include <net/if_ether.h> 71 1.3.2.2 nathanw 72 1.3.2.2 nathanw #include <machine/bus.h> 73 1.3.2.2 nathanw 74 1.3.2.2 nathanw #include <dev/mca/mcareg.h> 75 1.3.2.2 nathanw #include <dev/mca/mcavar.h> 76 1.3.2.2 nathanw #include <dev/mca/mcadevs.h> 77 1.3.2.2 nathanw 78 1.3.2.2 nathanw #include <dev/ic/dp8390reg.h> 79 1.3.2.2 nathanw #include <dev/ic/dp8390var.h> 80 1.3.2.2 nathanw #include <dev/ic/wereg.h> 81 1.3.2.2 nathanw #include <dev/ic/wevar.h> 82 1.3.2.2 nathanw 83 1.3.2.2 nathanw #define WD_8003 0x01 84 1.3.2.2 nathanw #define WD_ELITE 0x02 85 1.3.2.2 nathanw #define WD_MEMSIZE 16384 /* all supported cards have 16K Bytes memory */ 86 1.3.2.2 nathanw 87 1.3.2.2 nathanw int we_mca_probe __P((struct device *, struct cfdata *, void *)); 88 1.3.2.2 nathanw void we_mca_attach __P((struct device *, struct device *, void *)); 89 1.3.2.2 nathanw void we_mca_init_hook __P((struct we_softc *)); 90 1.3.2.2 nathanw 91 1.3.2.2 nathanw struct cfattach we_mca_ca = { 92 1.3.2.2 nathanw sizeof(struct we_softc), we_mca_probe, we_mca_attach 93 1.3.2.2 nathanw }; 94 1.3.2.2 nathanw 95 1.3.2.2 nathanw /* 96 1.3.2.2 nathanw * The types for some cards may not be correct; hopefully it's close 97 1.3.2.2 nathanw * enough. 98 1.3.2.2 nathanw */ 99 1.3.2.2 nathanw static const struct we_mca_product { 100 1.3.2.2 nathanw u_int32_t we_id; 101 1.3.2.2 nathanw const char *we_name; 102 1.3.2.2 nathanw int we_flag; 103 1.3.2.2 nathanw int we_type; 104 1.3.2.2 nathanw const char *we_typestr; 105 1.3.2.2 nathanw } we_mca_products[] = { 106 1.3.2.2 nathanw { MCA_PRODUCT_WD_8013EP, "EtherCard PLUS Elite/A (8013EP/A)", 107 1.3.2.2 nathanw WD_ELITE, WE_TYPE_WD8013EP, "WD8013EP/A" }, 108 1.3.2.2 nathanw { MCA_PRODUCT_WD_8013WP, "EtherCard PLUS Elite 10T/A (8013WP/A)", 109 1.3.2.2 nathanw WD_ELITE, WE_TYPE_WD8013EP, "WD8013WP/A" }, /* XXX */ 110 1.3.2.2 nathanw { MCA_PRODUCT_IBM_WD_2,"IBM PS/2 Adapter/A for Ethernet Networks (UTP)", 111 1.3.2.2 nathanw WD_ELITE, WE_TYPE_WD8013EP, "WD8013WP/A"}, /* XXX */ 112 1.3.2.2 nathanw { MCA_PRODUCT_IBM_WD_T,"IBM PS/2 Adapter/A for Ethernet Networks (BNC)", 113 1.3.2.2 nathanw WD_ELITE, WE_TYPE_WD8013EP, "WD8013WP/A"}, /* XXX */ 114 1.3.2.2 nathanw { MCA_PRODUCT_WD_8003E, "WD EtherCard PLUS/A (WD8003E/A or WD8003ET/A)", 115 1.3.2.2 nathanw WD_8003, WE_TYPE_WD8003E, "WD8003E/A or WD8003ET/A" }, 116 1.3.2.2 nathanw { MCA_PRODUCT_WD_8003ST,"WD StarCard PLUS/A (WD8003ST/A)", 117 1.3.2.2 nathanw WD_8003, WE_TYPE_WD8003W, "WD8003ST/A" }, /* XXX */ 118 1.3.2.2 nathanw { MCA_PRODUCT_WD_8003W, "WD EtherCard PLUS 10T/A (WD8003W/A)", 119 1.3.2.2 nathanw WD_8003, WE_TYPE_WD8003W, "WD8003W/A" }, 120 1.3.2.2 nathanw { MCA_PRODUCT_IBM_WD_O, "IBM PS/2 Adapter/A for Ethernet Networks", 121 1.3.2.2 nathanw WD_8003, WE_TYPE_WD8003W, "IBM PS/2 Adapter/A" },/*XXX*/ 122 1.3.2.2 nathanw { 0x0000, NULL }, 123 1.3.2.2 nathanw }; 124 1.3.2.2 nathanw 125 1.3.2.2 nathanw /* see POS description in we_mca_attach() */ 126 1.3.2.2 nathanw static const int we_mca_irq[] = { 127 1.3.2.2 nathanw 3, 4, 10, 15, 128 1.3.2.2 nathanw }; 129 1.3.2.2 nathanw 130 1.3.2.2 nathanw /* memory position and shared RAM sizes for WD8013-type of cards */ 131 1.3.2.2 nathanw static const struct { 132 1.3.2.2 nathanw u_int8_t id; 133 1.3.2.2 nathanw int maddr; 134 1.3.2.2 nathanw int memsize; 135 1.3.2.2 nathanw } we_mca_elite_mem[] = { 136 1.3.2.2 nathanw { 0x10, 0x0C0000, 16384 }, 137 1.3.2.2 nathanw { 0x12, 0x0C4000, 16384 }, 138 1.3.2.2 nathanw { 0x14, 0x0C8000, 16384 }, 139 1.3.2.2 nathanw { 0x16, 0x0CC000, 16384 }, 140 1.3.2.2 nathanw { 0x18, 0x0D0000, 16384 }, 141 1.3.2.2 nathanw { 0x1A, 0x0D4000, 16384 }, 142 1.3.2.2 nathanw { 0x1C, 0x0D8000, 16384 }, 143 1.3.2.2 nathanw { 0x1E, 0x0DC000, 16384 }, 144 1.3.2.2 nathanw { 0x90, 0xFC0000, 16384 }, 145 1.3.2.2 nathanw { 0x94, 0xFC8000, 16384 }, 146 1.3.2.2 nathanw { 0x98, 0xFD0000, 16384 }, 147 1.3.2.2 nathanw { 0x9C, 0x0C0000, 16384 }, 148 1.3.2.2 nathanw { 0x00, 0x0C0000, 8192 }, 149 1.3.2.2 nathanw { 0x01, 0x0C2000, 8192 }, 150 1.3.2.2 nathanw { 0x10, 0x0C4000, 8192 }, 151 1.3.2.2 nathanw { 0x11, 0x0C6000, 8192 }, 152 1.3.2.2 nathanw { 0x00, 0x000000, 0 }, 153 1.3.2.2 nathanw }; 154 1.3.2.2 nathanw 155 1.3.2.2 nathanw 156 1.3.2.2 nathanw static const struct we_mca_product *we_mca_lookup __P((int)); 157 1.3.2.2 nathanw 158 1.3.2.2 nathanw static const struct we_mca_product * 159 1.3.2.2 nathanw we_mca_lookup(id) 160 1.3.2.2 nathanw int id; 161 1.3.2.2 nathanw { 162 1.3.2.2 nathanw const struct we_mca_product *wep; 163 1.3.2.2 nathanw 164 1.3.2.2 nathanw for(wep = we_mca_products; wep->we_name; wep++) 165 1.3.2.2 nathanw if (wep->we_id == id) 166 1.3.2.2 nathanw return (wep); 167 1.3.2.2 nathanw 168 1.3.2.2 nathanw return (NULL); 169 1.3.2.2 nathanw } 170 1.3.2.2 nathanw 171 1.3.2.2 nathanw int 172 1.3.2.2 nathanw we_mca_probe(parent, cf, aux) 173 1.3.2.2 nathanw struct device *parent; 174 1.3.2.2 nathanw struct cfdata *cf; 175 1.3.2.2 nathanw void *aux; 176 1.3.2.2 nathanw { 177 1.3.2.2 nathanw struct mca_attach_args *ma = aux; 178 1.3.2.2 nathanw 179 1.3.2.2 nathanw return (we_mca_lookup(ma->ma_id) != NULL); 180 1.3.2.2 nathanw } 181 1.3.2.2 nathanw 182 1.3.2.2 nathanw void 183 1.3.2.2 nathanw we_mca_attach(parent, self, aux) 184 1.3.2.2 nathanw struct device *parent, *self; 185 1.3.2.2 nathanw void *aux; 186 1.3.2.2 nathanw { 187 1.3.2.2 nathanw struct we_softc *wsc = (struct we_softc *)self; 188 1.3.2.2 nathanw struct dp8390_softc *sc = &wsc->sc_dp8390; 189 1.3.2.2 nathanw struct mca_attach_args *ma = aux; 190 1.3.2.2 nathanw const struct we_mca_product *wep; 191 1.3.2.2 nathanw bus_space_tag_t nict, asict, memt; 192 1.3.2.2 nathanw bus_space_handle_t nich, asich, memh; 193 1.3.2.2 nathanw const char *typestr; 194 1.3.2.2 nathanw int irq, iobase, maddr; 195 1.3.2.2 nathanw int pos2, pos3, pos5; 196 1.3.2.2 nathanw 197 1.3.2.2 nathanw pos2 = mca_conf_read(ma->ma_mc, ma->ma_slot, 2); 198 1.3.2.2 nathanw pos3 = mca_conf_read(ma->ma_mc, ma->ma_slot, 3); 199 1.3.2.2 nathanw pos5 = mca_conf_read(ma->ma_mc, ma->ma_slot, 5); 200 1.3.2.2 nathanw 201 1.3.2.2 nathanw /* 202 1.3.2.2 nathanw * POS registers differ much between 8003 and 8013, so they are 203 1.3.2.2 nathanw * divided to two sections. 204 1.3.2.2 nathanw * 205 1.3.2.2 nathanw * 8003: POS register 2: (adf pos0) 206 1.3.2.2 nathanw * 7 6 5 4 3 2 1 0 207 1.3.2.2 nathanw * 0 0 1 \___/ \__ enable: 0=adapter disabled, 1=adapter enabled 208 1.3.2.2 nathanw * \_____ Adapter IO Space: 0x200-0x29F + XX*0x20 209 1.3.2.2 nathanw * 210 1.3.2.2 nathanw * 8003: POS register 3: (adf pos1) 211 1.3.2.2 nathanw * 7 6 5 4 3 2 1 0 212 1.3.2.2 nathanw * 1 1 0 \__/ 1 X 213 1.3.2.2 nathanw * \______ Shared Ram Space (16K Bytes): 214 1.3.2.2 nathanw * 0xC0000-0xC3FFF + XX * 0x4000 215 1.3.2.2 nathanw * 216 1.3.2.2 nathanw * 8003: POS register 5: (adf pos3) 217 1.3.2.2 nathanw * 7 6 5 4 3 2 1 0 218 1.3.2.2 nathanw * \_/ 219 1.3.2.2 nathanw * \__ Interrupt Level: 00=3 01=4 10=10 11=15 220 1.3.2.2 nathanw * 221 1.3.2.2 nathanw * -=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=- 222 1.3.2.2 nathanw * 223 1.3.2.2 nathanw * 8013: POS register 2: (adf pos0) 224 1.3.2.2 nathanw * 7 6 5 4 3 2 1 0 225 1.3.2.2 nathanw * \____/ \__ enable: 0=adapter disabled, 1=adapter enabled 226 1.3.2.2 nathanw * \___________ Adapter I/O Space: 0x0800-0x081F + XX * 0x1000 227 1.3.2.2 nathanw * 228 1.3.2.2 nathanw * 8013: POS register 3: (adf pos1) 229 1.3.2.2 nathanw * 7 6 5 4 3 2 1 0 230 1.3.2.2 nathanw * X 0 Shared Ram Base Address - mask 0x9f 231 1.3.2.2 nathanw * see wd_elite_mem[] array for details 232 1.3.2.2 nathanw * 233 1.3.2.2 nathanw * 8013: POS register 5: (adf pos3) 234 1.3.2.2 nathanw * 7 6 5 4 3 2 1 0 235 1.3.2.2 nathanw * \_/ \_/ 236 1.3.2.2 nathanw * \ \__ Media Select: 00=TwPr (no link) 10=BNC 237 1.3.2.2 nathanw * \ 01=AUI|AUI or 10BaseT 238 1.3.2.2 nathanw * \____ Interrupt Level: 00=3 01=4 10=10 11=14 239 1.3.2.2 nathanw */ 240 1.3.2.2 nathanw 241 1.3.2.2 nathanw wep = we_mca_lookup(ma->ma_id); 242 1.3.2.2 nathanw #ifdef DIAGNOSTIC 243 1.3.2.2 nathanw if (wep == NULL) { 244 1.3.2.2 nathanw printf("\n%s: where did the card go?\n", sc->sc_dev.dv_xname); 245 1.3.2.2 nathanw return; 246 1.3.2.2 nathanw } 247 1.3.2.2 nathanw #endif 248 1.3.2.2 nathanw 249 1.3.2.2 nathanw if (wep->we_flag & WD_8003) { 250 1.3.2.2 nathanw /* WD8003 based */ 251 1.3.2.2 nathanw iobase = 0x200 + (((pos2 & 0x0e) >> 1) * 0x020); 252 1.3.2.2 nathanw maddr = 0xC0000 + (((pos3 & 0x1c) >> 2) * 0x04000); 253 1.3.2.2 nathanw irq = we_mca_irq[(pos5 & 0x03)]; 254 1.3.2.2 nathanw sc->mem_size = WD_MEMSIZE; 255 1.3.2.2 nathanw } else { 256 1.3.2.2 nathanw /* SMC Elite */ 257 1.3.2.2 nathanw int i, id; 258 1.3.2.2 nathanw 259 1.3.2.2 nathanw iobase = 0x800 + (((pos2 & 0xf0) >> 4) * 0x1000); 260 1.3.2.2 nathanw irq = we_mca_irq[(pos5 & 0x06) >> 2]; 261 1.3.2.2 nathanw 262 1.3.2.2 nathanw /* find location of shared mem and it's size */ 263 1.3.2.2 nathanw id = (pos3 & 0x9f); 264 1.3.2.2 nathanw for(i=0; we_mca_elite_mem[i].maddr; i++) 265 1.3.2.2 nathanw if (we_mca_elite_mem[i].id == id) 266 1.3.2.2 nathanw break; 267 1.3.2.2 nathanw if (we_mca_elite_mem[i].maddr == 0) { 268 1.3.2.2 nathanw printf("\n%s: cannot find Shared Ram Base Address\n", 269 1.3.2.2 nathanw sc->sc_dev.dv_xname); 270 1.3.2.2 nathanw return; 271 1.3.2.2 nathanw } 272 1.3.2.2 nathanw 273 1.3.2.2 nathanw maddr = we_mca_elite_mem[i].maddr; 274 1.3.2.2 nathanw sc->mem_size = we_mca_elite_mem[i].memsize; 275 1.3.2.2 nathanw } 276 1.3.2.2 nathanw 277 1.3.2.2 nathanw nict = asict = ma->ma_iot; 278 1.3.2.2 nathanw memt = ma->ma_memt; 279 1.3.2.2 nathanw 280 1.3.2.3 nathanw printf(" slot %d irq %d: %s\n", ma->ma_slot + 1, irq, wep->we_name); 281 1.3.2.2 nathanw 282 1.3.2.2 nathanw /* Map the device. */ 283 1.3.2.2 nathanw if (bus_space_map(asict, iobase, WE_NPORTS, 0, &asich)) { 284 1.3.2.2 nathanw printf("%s: can't map nic i/o space\n", 285 1.3.2.2 nathanw sc->sc_dev.dv_xname); 286 1.3.2.2 nathanw return; 287 1.3.2.2 nathanw } 288 1.3.2.2 nathanw 289 1.3.2.2 nathanw if (bus_space_subregion(asict, asich, WE_NIC_OFFSET, WE_NIC_NPORTS, 290 1.3.2.2 nathanw &nich)) { 291 1.3.2.2 nathanw printf("%s: can't subregion i/o space\n", 292 1.3.2.2 nathanw sc->sc_dev.dv_xname); 293 1.3.2.2 nathanw return; 294 1.3.2.2 nathanw } 295 1.3.2.2 nathanw 296 1.3.2.2 nathanw wsc->sc_type = wep->we_type; 297 1.3.2.2 nathanw wsc->sc_16bitp = 1; /* all cards we support are 16bit */ 298 1.3.2.2 nathanw sc->is790 = 0; 299 1.3.2.2 nathanw typestr = wep->we_typestr; 300 1.3.2.2 nathanw 301 1.3.2.2 nathanw /* 302 1.3.2.2 nathanw * Map memory space. 303 1.3.2.2 nathanw */ 304 1.3.2.2 nathanw if (bus_space_map(memt, maddr, sc->mem_size, 0, &memh)) { 305 1.3.2.2 nathanw printf("%s: can't map shared memory\n", 306 1.3.2.2 nathanw sc->sc_dev.dv_xname); 307 1.3.2.2 nathanw return; 308 1.3.2.2 nathanw } 309 1.3.2.2 nathanw 310 1.3.2.2 nathanw wsc->sc_asict = asict; 311 1.3.2.2 nathanw wsc->sc_asich = asich; 312 1.3.2.2 nathanw 313 1.3.2.2 nathanw sc->sc_regt = nict; 314 1.3.2.2 nathanw sc->sc_regh = nich; 315 1.3.2.2 nathanw 316 1.3.2.2 nathanw sc->sc_buft = memt; 317 1.3.2.2 nathanw sc->sc_bufh = memh; 318 1.3.2.2 nathanw 319 1.3.2.2 nathanw wsc->sc_maddr = maddr; 320 1.3.2.2 nathanw 321 1.3.2.2 nathanw /* Interface is always enabled. */ 322 1.3.2.2 nathanw sc->sc_enabled = 1; 323 1.3.2.2 nathanw 324 1.3.2.2 nathanw wsc->sc_init_hook = we_mca_init_hook; 325 1.3.2.2 nathanw 326 1.3.2.2 nathanw if (we_config(self, wsc, typestr)) 327 1.3.2.2 nathanw return; 328 1.3.2.2 nathanw 329 1.3.2.2 nathanw /* Map and establish the interrupt. */ 330 1.3.2.2 nathanw wsc->sc_ih = mca_intr_establish(ma->ma_mc, irq, 331 1.3.2.2 nathanw IPL_NET, dp8390_intr, sc); 332 1.3.2.2 nathanw if (wsc->sc_ih == NULL) { 333 1.3.2.2 nathanw printf("%s: can't establish interrupt\n", sc->sc_dev.dv_xname); 334 1.3.2.2 nathanw return; 335 1.3.2.2 nathanw } 336 1.3.2.2 nathanw } 337 1.3.2.2 nathanw 338 1.3.2.2 nathanw void 339 1.3.2.2 nathanw we_mca_init_hook(wsc) 340 1.3.2.2 nathanw struct we_softc *wsc; 341 1.3.2.2 nathanw { 342 1.3.2.2 nathanw /* 343 1.3.2.2 nathanw * This quirk really needs to be here, at least for WD8003W/A. Without 344 1.3.2.2 nathanw * this, the card doesn't send any interrupts in 16bit mode. The quirk 345 1.3.2.2 nathanw * was taken from Linux smc-mca.c driver. 346 1.3.2.2 nathanw * I do not know why it's necessary. I don't want to know. It works 347 1.3.2.2 nathanw * and that is enough for me. 348 1.3.2.2 nathanw */ 349 1.3.2.2 nathanw bus_space_write_1(wsc->sc_asict, wsc->sc_asich, WE_LAAR, 0x04); 350 1.3.2.2 nathanw wsc->sc_laar_proto |= 0x04; 351 1.3.2.2 nathanw } 352
Indexes created Thu Oct 02 14:10:14 GMT 2025