if_we_mca.c revision 1.18.24.2
1 /* if_we_mca.c,v 1.18.24.1 2007/11/06 23:28:21 matt 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, "if_we_mca.c,v 1.18.24.1 2007/11/06 23:28:21 matt 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 <sys/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(device_t, cfdata_t , void *); 91 void we_mca_attach(device_t, device_t, void *); 92 void we_mca_init_hook(struct we_softc *); 93 94 CFATTACH_DECL_NEW(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 0, 0, NULL }, 126 }; 127 128 /* see POS description in we_mca_attach() */ 129 static const int we_mca_irq[] = { 130 3, 4, 10, 15, 131 }; 132 133 static const struct we_mca_product *we_mca_lookup(int); 134 135 static const struct we_mca_product * 136 we_mca_lookup(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(device_t parent, cfdata_t cf, void *aux) 149 { 150 struct mca_attach_args *ma = aux; 151 152 return (we_mca_lookup(ma->ma_id) != NULL); 153 } 154 155 void 156 we_mca_attach(device_t parent, device_t self, void *aux) 157 { 158 struct we_softc *wsc = device_private(self); 159 struct dp8390_softc *sc = &wsc->sc_dp8390; 160 struct mca_attach_args *ma = aux; 161 const struct we_mca_product *wep; 162 bus_space_tag_t nict, asict, memt; 163 bus_space_handle_t nich, asich, memh; 164 const char *typestr; 165 int irq, iobase, maddr; 166 int pos2, pos3, pos5; 167 168 sc->sc_dev = self; 169 170 pos2 = mca_conf_read(ma->ma_mc, ma->ma_slot, 2); 171 pos3 = mca_conf_read(ma->ma_mc, ma->ma_slot, 3); 172 pos5 = mca_conf_read(ma->ma_mc, ma->ma_slot, 5); 173 174 /* 175 * POS registers differ a lot between 8003 and 8013, so they are 176 * divided to two sections. 177 * 178 * 8003: POS register 2: (adf pos0) 179 * 7 6 5 4 3 2 1 0 180 * 0 0 1 \_____/ \__ enable: 0=adapter disabled, 1=adapter enabled 181 * \____ Adapter I/O Space: 0x200-0x21F + XX*0x20 182 * 183 * 8003: POS register 3: (adf pos1) 184 * 7 6 5 4 3 2 1 0 185 * 1 1 0 \___/ 1 X 186 * \______ Shared Ram Space (16K Bytes): 187 * 0xC0000-0xC3FFF + XX * 0x4000 188 * 189 * 8003: POS register 5: (adf pos3) 190 * 7 6 5 4 3 2 1 0 191 * \_/ 192 * \__ Interrupt Level: 00=3 01=4 10=10 11=15 193 * 194 * -=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=- 195 * 196 * 8013: POS register 2: (adf pos0) 197 * 7 6 5 4 3 2 1 0 198 * \____/ \__ enable: 0=adapter disabled, 1=adapter enabled 199 * \___________ Adapter I/O Space: 0x0800-0x081F + XX * 0x1000 200 * 201 * 8013: POS register 3: (adf pos1) 202 * 7 6 5 4 3 2 1 0 203 * | X 0 | \_____/ 204 * | | \__ Shared RAM Base Address 205 * | | 0xc0000 + ((xx & 0x0f) * 0x2000) 206 * | \____________ Ram size: 0 = 8k, 1 = 16k 207 * | some size and address combinations are 208 * | not supported, varies by card :( 209 * \__________________ If set, add 0xf00000 to shared RAM base addr 210 * puts shared RAM near top of 16MB address space 211 * 212 * 8013: POS register 5: (adf pos3) 213 * 7 6 5 4 3 2 1 0 214 * \_/ \_/ 215 * \ \__ Media Select: 00=TwPr (no link) 10=BNC 216 * \ 01=AUI|AUI or 10BaseT 217 * \____ Interrupt Level: 00=3 01=4 10=10 11=14 218 */ 219 220 wep = we_mca_lookup(ma->ma_id); 221 #ifdef DIAGNOSTIC 222 if (wep == NULL) { 223 aprint_error("\n%s: where did the card go?\n", 224 device_xname(self)); 225 return; 226 } 227 #endif 228 229 if (wep->we_flag & WD_8003) { 230 /* WD8003 based */ 231 iobase = 0x200 + (((pos2 & 0x0e) >> 1) * 0x020); 232 maddr = 0xC0000 + (((pos3 & 0x1c) >> 2) * 0x04000); 233 irq = we_mca_irq[(pos5 & 0x03)]; 234 sc->mem_size = 16384; 235 } else { 236 /* SMC Elite */ 237 iobase = 0x800 + (((pos2 & 0xf0) >> 4) * 0x1000); 238 maddr = 0xC0000 + ((pos3 & 0x0f) * 0x2000) 239 + ((pos3 & 0x80) ? 0xF00000 : 0); 240 irq = we_mca_irq[(pos5 & 0x0c) >> 2]; 241 sc->mem_size = (pos3 & 0x10) ? 16384 : 8192; 242 } 243 244 nict = asict = ma->ma_iot; 245 memt = ma->ma_memt; 246 247 aprint_normal(" slot %d port %#x-%#x mem %#x-%#x irq %d: %s\n", 248 ma->ma_slot + 1, 249 iobase, iobase + WE_NPORTS - 1, 250 maddr, maddr + sc->mem_size - 1, 251 irq, wep->we_name); 252 253 /* Map the device. */ 254 if (bus_space_map(asict, iobase, WE_NPORTS, 0, &asich)) { 255 aprint_error_dev(self, "can't map nic i/o space\n"); 256 return; 257 } 258 259 if (bus_space_subregion(asict, asich, WE_NIC_OFFSET, WE_NIC_NPORTS, 260 &nich)) { 261 aprint_error_dev(self, "can't subregion i/o space\n"); 262 return; 263 } 264 265 wsc->sc_type = wep->we_type; 266 /* all cards we support are 16bit native (no need for reset) */ 267 wsc->sc_flags = WE_16BIT_ENABLE|WE_16BIT_NOTOGGLE; 268 sc->is790 = 0; 269 typestr = wep->we_typestr; 270 271 /* 272 * Map memory space. 273 */ 274 if (bus_space_map(memt, maddr, sc->mem_size, 0, &memh)) { 275 aprint_error_dev(self, "can't map shared memory %#x-%#x\n", 276 maddr, maddr + sc->mem_size - 1); 277 return; 278 } 279 280 wsc->sc_asict = asict; 281 wsc->sc_asich = asich; 282 283 sc->sc_regt = nict; 284 sc->sc_regh = nich; 285 286 sc->sc_buft = memt; 287 sc->sc_bufh = memh; 288 289 wsc->sc_maddr = maddr; 290 291 /* Interface is always enabled. */ 292 sc->sc_enabled = 1; 293 294 wsc->sc_init_hook = we_mca_init_hook; 295 296 if (we_config(self, wsc, typestr)) 297 return; 298 299 /* Map and establish the interrupt. */ 300 wsc->sc_ih = mca_intr_establish(ma->ma_mc, irq, 301 IPL_NET, dp8390_intr, sc); 302 if (wsc->sc_ih == NULL) { 303 aprint_error_dev(self, "can't establish interrupt\n"); 304 return; 305 } 306 } 307 308 void 309 we_mca_init_hook(struct we_softc *wsc) 310 { 311 /* 312 * This quirk really needs to be here, at least for WD8003W/A. Without 313 * this, the card doesn't send any interrupts in 16bit mode. The quirk 314 * was taken from Linux smc-mca.c driver. 315 * I do not know why it's necessary. I don't want to know. It works 316 * and that is enough for me. 317 */ 318 bus_space_write_1(wsc->sc_asict, wsc->sc_asich, WE_LAAR, 0x04); 319 wsc->sc_laar_proto |= 0x04; 320 } 321
Indexes created Thu Oct 02 07:10:07 GMT 2025