if_we_mca.c revision 1.8.6.3
1 /* $NetBSD: if_we_mca.c,v 1.8.6.3 2004/09/21 13:30:17 skrll Exp $ */ 2 3 /*- 4 * Copyright (c) 1997, 1998, 2001 The NetBSD Foundation, Inc. 5 * All rights reserved. 6 * 7 * This code is derived from software contributed to The NetBSD Foundation 8 * by Jason R. Thorpe of the Numerical Aerospace Simulation Facility, 9 * NASA Ames Research Center, and Jaromir Dolecek. 10 * 11 * Redistribution and use in source and binary forms, with or without 12 * modification, are permitted provided that the following conditions 13 * are met: 14 * 1. Redistributions of source code must retain the above copyright 15 * notice, this list of conditions and the following disclaimer. 16 * 2. Redistributions in binary form must reproduce the above copyright 17 * notice, this list of conditions and the following disclaimer in the 18 * documentation and/or other materials provided with the distribution. 19 * 3. All advertising materials mentioning features or use of this software 20 * must display the following acknowledgement: 21 * This product includes software developed by the NetBSD 22 * Foundation, Inc. and its contributors. 23 * 4. Neither the name of The NetBSD Foundation nor the names of its 24 * contributors may be used to endorse or promote products derived 25 * from this software without specific prior written permission. 26 * 27 * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS 28 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED 29 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 30 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS 31 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 32 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 33 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 34 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 35 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 36 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 37 * POSSIBILITY OF SUCH DAMAGE. 38 */ 39 40 /* 41 * Device driver for National Semiconductor DS8390/WD83C690 based ethernet 42 * adapters. 43 * 44 * Copyright (c) 1994, 1995 Charles M. Hannum. All rights reserved. 45 * 46 * Copyright (C) 1993, David Greenman. This software may be used, modified, 47 * copied, distributed, and sold, in both source and binary form provided that 48 * the above copyright and these terms are retained. Under no circumstances is 49 * the author responsible for the proper functioning of this software, nor does 50 * the author assume any responsibility for damages incurred with its use. 51 */ 52 53 /* 54 * Device driver for the Western Digital/SMC 8003 and 8013 series, 55 * and the SMC Elite Ultra (8216). 56 * 57 * Currently only tested with WD8003W/A and EtherCard PLUS Elite 10T/A 58 * (8013WP/A). Other WD8003 and SMC Elite based cards should work 59 * without problems too. 60 */ 61 62 #include <sys/cdefs.h> 63 __KERNEL_RCSID(0, "$NetBSD: if_we_mca.c,v 1.8.6.3 2004/09/21 13:30:17 skrll Exp $"); 64 65 #include <sys/param.h> 66 #include <sys/systm.h> 67 #include <sys/device.h> 68 #include <sys/socket.h> 69 #include <sys/mbuf.h> 70 71 #include <net/if.h> 72 #include <net/if_types.h> 73 #include <net/if_media.h> 74 #include <net/if_ether.h> 75 76 #include <machine/bus.h> 77 78 #include <dev/mca/mcareg.h> 79 #include <dev/mca/mcavar.h> 80 #include <dev/mca/mcadevs.h> 81 82 #include <dev/ic/dp8390reg.h> 83 #include <dev/ic/dp8390var.h> 84 #include <dev/ic/wereg.h> 85 #include <dev/ic/wevar.h> 86 87 #define WD_8003 0x01 88 #define WD_ELITE 0x02 89 90 int we_mca_probe __P((struct device *, struct cfdata *, void *)); 91 void we_mca_attach __P((struct device *, struct device *, void *)); 92 void we_mca_init_hook __P((struct we_softc *)); 93 94 CFATTACH_DECL(we_mca, sizeof(struct we_softc), 95 we_mca_probe, we_mca_attach, NULL, NULL); 96 97 /* 98 * The types for some cards may not be correct; hopefully it's close 99 * enough. 100 */ 101 static const struct we_mca_product { 102 u_int32_t we_id; 103 const char *we_name; 104 int we_flag; 105 int we_type; 106 const char *we_typestr; 107 } we_mca_products[] = { 108 { MCA_PRODUCT_WD_8013EP, "EtherCard PLUS Elite/A (8013EP/A)", 109 WD_ELITE, WE_TYPE_WD8013EP, "WD8013EP/A" }, 110 { MCA_PRODUCT_WD_8013WP, "EtherCard PLUS Elite 10T/A (8013WP/A)", 111 WD_ELITE, WE_TYPE_WD8013EP, "WD8013WP/A" }, 112 { MCA_PRODUCT_IBM_WD_2,"IBM PS/2 Adapter/A for Ethernet Networks (UTP)", 113 WD_ELITE, WE_TYPE_WD8013EP, "WD8013WP/A"}, 114 { MCA_PRODUCT_IBM_WD_T,"IBM PS/2 Adapter/A for Ethernet Networks (BNC)", 115 WD_ELITE, WE_TYPE_WD8013EP, "WD8013WP/A"}, 116 { MCA_PRODUCT_WD_8003E, "WD EtherCard PLUS/A (WD8003E/A or WD8003ET/A)", 117 WD_8003, WE_TYPE_WD8003E, "WD8003E/A or WD8003ET/A" }, 118 { MCA_PRODUCT_WD_8003ST,"WD StarCard PLUS/A (WD8003ST/A)", 119 WD_8003, WE_TYPE_WD8003W, "WD8003ST/A" }, /* XXX */ 120 { MCA_PRODUCT_WD_8003W, "WD EtherCard PLUS 10T/A (WD8003W/A)", 121 WD_8003, WE_TYPE_WD8003W, "WD8003W/A" }, 122 { MCA_PRODUCT_IBM_WD_O, "IBM PS/2 Adapter/A for Ethernet Networks", 123 WD_8003, WE_TYPE_WD8003W, "IBM PS/2 Adapter/A" }, 124 { 0x0000, NULL }, 125 }; 126 127 /* see POS description in we_mca_attach() */ 128 static const int we_mca_irq[] = { 129 3, 4, 10, 15, 130 }; 131 132 static const struct we_mca_product *we_mca_lookup __P((int)); 133 134 static const struct we_mca_product * 135 we_mca_lookup(id) 136 int id; 137 { 138 const struct we_mca_product *wep; 139 140 for(wep = we_mca_products; wep->we_name; wep++) 141 if (wep->we_id == id) 142 return (wep); 143 144 return (NULL); 145 } 146 147 int 148 we_mca_probe(parent, cf, aux) 149 struct device *parent; 150 struct cfdata *cf; 151 void *aux; 152 { 153 struct mca_attach_args *ma = aux; 154 155 return (we_mca_lookup(ma->ma_id) != NULL); 156 } 157 158 void 159 we_mca_attach(parent, self, aux) 160 struct device *parent, *self; 161 void *aux; 162 { 163 struct we_softc *wsc = (struct we_softc *)self; 164 struct dp8390_softc *sc = &wsc->sc_dp8390; 165 struct mca_attach_args *ma = aux; 166 const struct we_mca_product *wep; 167 bus_space_tag_t nict, asict, memt; 168 bus_space_handle_t nich, asich, memh; 169 const char *typestr; 170 int irq, iobase, maddr; 171 int pos2, pos3, pos5; 172 173 pos2 = mca_conf_read(ma->ma_mc, ma->ma_slot, 2); 174 pos3 = mca_conf_read(ma->ma_mc, ma->ma_slot, 3); 175 pos5 = mca_conf_read(ma->ma_mc, ma->ma_slot, 5); 176 177 /* 178 * POS registers differ a lot between 8003 and 8013, so they are 179 * divided to two sections. 180 * 181 * 8003: POS register 2: (adf pos0) 182 * 7 6 5 4 3 2 1 0 183 * 0 0 1 \_____/ \__ enable: 0=adapter disabled, 1=adapter enabled 184 * \____ Adapter I/O Space: 0x200-0x21F + XX*0x20 185 * 186 * 8003: POS register 3: (adf pos1) 187 * 7 6 5 4 3 2 1 0 188 * 1 1 0 \___/ 1 X 189 * \______ Shared Ram Space (16K Bytes): 190 * 0xC0000-0xC3FFF + XX * 0x4000 191 * 192 * 8003: POS register 5: (adf pos3) 193 * 7 6 5 4 3 2 1 0 194 * \_/ 195 * \__ Interrupt Level: 00=3 01=4 10=10 11=15 196 * 197 * -=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=- 198 * 199 * 8013: POS register 2: (adf pos0) 200 * 7 6 5 4 3 2 1 0 201 * \____/ \__ enable: 0=adapter disabled, 1=adapter enabled 202 * \___________ Adapter I/O Space: 0x0800-0x081F + XX * 0x1000 203 * 204 * 8013: POS register 3: (adf pos1) 205 * 7 6 5 4 3 2 1 0 206 * | X 0 | \_____/ 207 * | | \__ Shared RAM Base Address 208 * | | 0xc0000 + ((xx & 0x0f) * 0x2000) 209 * | \____________ Ram size: 0 = 8k, 1 = 16k 210 * | some size and address combinations are 211 * | not supported, varies by card :( 212 * \__________________ If set, add 0xf00000 to shared RAM base addr 213 * puts shared RAM near top of 16MB address space 214 * 215 * 8013: POS register 5: (adf pos3) 216 * 7 6 5 4 3 2 1 0 217 * \_/ \_/ 218 * \ \__ Media Select: 00=TwPr (no link) 10=BNC 219 * \ 01=AUI|AUI or 10BaseT 220 * \____ Interrupt Level: 00=3 01=4 10=10 11=14 221 */ 222 223 wep = we_mca_lookup(ma->ma_id); 224 #ifdef DIAGNOSTIC 225 if (wep == NULL) { 226 printf("\n%s: where did the card go?\n", sc->sc_dev.dv_xname); 227 return; 228 } 229 #endif 230 231 if (wep->we_flag & WD_8003) { 232 /* WD8003 based */ 233 iobase = 0x200 + (((pos2 & 0x0e) >> 1) * 0x020); 234 maddr = 0xC0000 + (((pos3 & 0x1c) >> 2) * 0x04000); 235 irq = we_mca_irq[(pos5 & 0x03)]; 236 sc->mem_size = 16384; 237 } else { 238 /* SMC Elite */ 239 iobase = 0x800 + (((pos2 & 0xf0) >> 4) * 0x1000); 240 maddr = 0xC0000 + ((pos3 & 0x0f) * 0x2000) 241 + ((pos3 & 0x80) ? 0xF00000 : 0); 242 irq = we_mca_irq[(pos5 & 0x0c) >> 2]; 243 sc->mem_size = (pos3 & 0x10) ? 16384 : 8192; 244 } 245 246 nict = asict = ma->ma_iot; 247 memt = ma->ma_memt; 248 249 printf(" slot %d port %#x-%#x mem %#x-%#x irq %d: %s\n", 250 ma->ma_slot + 1, 251 iobase, iobase + WE_NPORTS - 1, 252 maddr, maddr + sc->mem_size - 1, 253 irq, wep->we_name); 254 255 /* Map the device. */ 256 if (bus_space_map(asict, iobase, WE_NPORTS, 0, &asich)) { 257 printf("%s: can't map nic i/o space\n", 258 sc->sc_dev.dv_xname); 259 return; 260 } 261 262 if (bus_space_subregion(asict, asich, WE_NIC_OFFSET, WE_NIC_NPORTS, 263 &nich)) { 264 printf("%s: can't subregion i/o space\n", 265 sc->sc_dev.dv_xname); 266 return; 267 } 268 269 wsc->sc_type = wep->we_type; 270 wsc->sc_16bitp = 1; /* all cards we support are 16bit */ 271 sc->is790 = 0; 272 typestr = wep->we_typestr; 273 274 /* 275 * Map memory space. 276 */ 277 if (bus_space_map(memt, maddr, sc->mem_size, 0, &memh)) { 278 printf("%s: can't map shared memory %#x-%#x\n", 279 sc->sc_dev.dv_xname, 280 maddr, maddr + sc->mem_size - 1); 281 return; 282 } 283 284 wsc->sc_asict = asict; 285 wsc->sc_asich = asich; 286 287 sc->sc_regt = nict; 288 sc->sc_regh = nich; 289 290 sc->sc_buft = memt; 291 sc->sc_bufh = memh; 292 293 wsc->sc_maddr = maddr; 294 295 /* Interface is always enabled. */ 296 sc->sc_enabled = 1; 297 298 wsc->sc_init_hook = we_mca_init_hook; 299 300 if (we_config(self, wsc, typestr)) 301 return; 302 303 /* Map and establish the interrupt. */ 304 wsc->sc_ih = mca_intr_establish(ma->ma_mc, irq, 305 IPL_NET, dp8390_intr, sc); 306 if (wsc->sc_ih == NULL) { 307 printf("%s: can't establish interrupt\n", sc->sc_dev.dv_xname); 308 return; 309 } 310 } 311 312 void 313 we_mca_init_hook(wsc) 314 struct we_softc *wsc; 315 { 316 /* 317 * This quirk really needs to be here, at least for WD8003W/A. Without 318 * this, the card doesn't send any interrupts in 16bit mode. The quirk 319 * was taken from Linux smc-mca.c driver. 320 * I do not know why it's necessary. I don't want to know. It works 321 * and that is enough for me. 322 */ 323 bus_space_write_1(wsc->sc_asict, wsc->sc_asich, WE_LAAR, 0x04); 324 wsc->sc_laar_proto |= 0x04; 325 } 326
Indexes created Thu Oct 02 10:09:58 GMT 2025