if_ex_isa.c revision 179775
1/*- 2 * Copyright (c) 2000 Matthew N. Dodd 3 * All rights reserved. 4 * 5 * Redistribution and use in source and binary forms, with or without 6 * modification, are permitted provided that the following conditions 7 * are met: 8 * 1. Redistributions of source code must retain the above copyright 9 * notice, this list of conditions and the following disclaimer. 10 * 2. Redistributions in binary form must reproduce the above copyright 11 * notice, this list of conditions and the following disclaimer in the 12 * documentation and/or other materials provided with the distribution. 13 * 14 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 15 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 16 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 17 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 18 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 19 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 20 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 21 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 22 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 23 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 24 * SUCH DAMAGE. 25 * 26 */ 27 28#include <sys/cdefs.h> 29__FBSDID("$FreeBSD: head/sys/dev/ex/if_ex_isa.c 179775 2008-06-13 12:14:22Z jhb $"); 30 31#include <sys/param.h> 32#include <sys/systm.h> 33#include <sys/kernel.h> 34#include <sys/socket.h> 35 36#include <sys/module.h> 37#include <sys/bus.h> 38 39#include <machine/bus.h> 40#include <machine/resource.h> 41#include <sys/rman.h> 42 43#include <net/if.h> 44#include <net/if_arp.h> 45#include <net/if_media.h> 46 47 48#include <isa/isavar.h> 49#include <isa/pnpvar.h> 50 51#include <dev/ex/if_exreg.h> 52#include <dev/ex/if_exvar.h> 53 54/* Bus Front End Functions */ 55static void ex_isa_identify(driver_t *, device_t); 56static int ex_isa_probe(device_t); 57static int ex_isa_attach(device_t); 58 59static int ex_look_for_card(struct ex_softc *); 60 61#if 0 62static void ex_pnp_wakeup(void *); 63 64SYSINIT(ex_pnpwakeup, SI_SUB_CPU, SI_ORDER_ANY, ex_pnp_wakeup, NULL); 65#endif 66 67static device_method_t ex_isa_methods[] = { 68 /* Device interface */ 69 DEVMETHOD(device_identify, ex_isa_identify), 70 DEVMETHOD(device_probe, ex_isa_probe), 71 DEVMETHOD(device_attach, ex_isa_attach), 72 DEVMETHOD(device_detach, ex_detach), 73 74 { 0, 0 } 75}; 76 77static driver_t ex_isa_driver = { 78 "ex", 79 ex_isa_methods, 80 sizeof(struct ex_softc), 81}; 82 83DRIVER_MODULE(ex, isa, ex_isa_driver, ex_devclass, 0, 0); 84 85static struct isa_pnp_id ex_ids[] = { 86 { 0x3110d425, NULL }, /* INT1031 */ 87 { 0x3010d425, NULL }, /* INT1030 */ 88 { 0, NULL }, 89}; 90 91#if 0 92#define EX_PNP_WAKE 0x279 93 94static uint8_t ex_pnp_wake_seq[] = 95 { 0x6A, 0xB5, 0xDA, 0xED, 0xF6, 0xFB, 0x7D, 0xBE, 96 0xDF, 0x6F, 0x37, 0x1B, 0x0D, 0x86, 0xC3, 0x61, 97 0xB0, 0x58, 0x2C, 0x16, 0x8B, 0x45, 0xA2, 0xD1, 98 0xE8, 0x74, 0x3A, 0x9D, 0xCE, 0xE7, 0x73, 0x43 }; 99 100static void 101ex_pnp_wakeup (void * dummy) 102{ 103 int tmp; 104 105 if (bootverbose) 106 printf("ex_pnp_wakeup()\n"); 107 108 outb(EX_PNP_WAKE, 0); 109 outb(EX_PNP_WAKE, 0); 110 for (tmp = 0; tmp < 32; tmp++) { 111 outb(EX_PNP_WAKE, ex_pnp_wake_seq[tmp]); 112 } 113} 114#endif 115 116/* 117 * Non-destructive identify. 118 */ 119static void 120ex_isa_identify(driver_t *driver, device_t parent) 121{ 122 device_t child; 123 bus_addr_t ioport; 124 u_char enaddr[6]; 125 u_int irq; 126 int tmp; 127 const char * desc; 128 struct ex_softc sc; 129 int rid; 130 131 if (bootverbose) 132 printf("ex_isa_identify()\n"); 133 134 for (ioport = 0x200; ioport < 0x3a0; ioport += 0x10) { 135 rid = 0; 136 sc.ioport = bus_alloc_resource(parent, SYS_RES_IOPORT, &rid, 137 ioport, ioport, 0x10, RF_ACTIVE); 138 if (sc.ioport == NULL) 139 continue; 140 141 /* No board found at address */ 142 if (!ex_look_for_card(&sc)) { 143 bus_release_resource(parent, SYS_RES_IOPORT, rid, 144 sc.ioport); 145 continue; 146 } 147 148 if (bootverbose) 149 printf("ex: Found card at 0x%03lx!\n", (unsigned long)ioport); 150 151 /* Board in PnP mode */ 152 if (ex_eeprom_read(&sc, EE_W0) & EE_W0_PNP) { 153 /* Reset the card. */ 154 CSR_WRITE_1(&sc, CMD_REG, Reset_CMD); 155 DELAY(500); 156 if (bootverbose) 157 printf("ex: card at 0x%03lx in PnP mode!\n", (unsigned long)ioport); 158 bus_release_resource(parent, SYS_RES_IOPORT, rid, 159 sc.ioport); 160 continue; 161 } 162 163 bzero(enaddr, sizeof(enaddr)); 164 165 /* Reset the card. */ 166 CSR_WRITE_1(&sc, CMD_REG, Reset_CMD); 167 DELAY(400); 168 169 ex_get_address(&sc, enaddr); 170 tmp = ex_eeprom_read(&sc, EE_W1) & EE_W1_INT_SEL; 171 172 /* work out which set of irq <-> internal tables to use */ 173 if (ex_card_type(enaddr) == CARD_TYPE_EX_10_PLUS) { 174 irq = plus_ee2irqmap[tmp]; 175 desc = "Intel Pro/10+"; 176 } else { 177 irq = ee2irqmap[tmp]; 178 desc = "Intel Pro/10"; 179 } 180 181 bus_release_resource(parent, SYS_RES_IOPORT, rid, sc.ioport); 182 child = BUS_ADD_CHILD(parent, ISA_ORDER_SPECULATIVE, "ex", -1); 183 device_set_desc_copy(child, desc); 184 device_set_driver(child, driver); 185 bus_set_resource(child, SYS_RES_IRQ, 0, irq, 1); 186 bus_set_resource(child, SYS_RES_IOPORT, 0, ioport, EX_IOSIZE); 187 if (bootverbose) 188 printf("ex: Adding board at 0x%03lx, irq %d\n", 189 (unsigned long)ioport, irq); 190 } 191 192 return; 193} 194 195static int 196ex_isa_probe(device_t dev) 197{ 198 bus_addr_t iobase; 199 u_int irq; 200 char * irq2ee; 201 u_char * ee2irq; 202 u_char enaddr[6]; 203 int tmp; 204 int error; 205 struct ex_softc *sc = device_get_softc(dev); 206 207 /* Check isapnp ids */ 208 error = ISA_PNP_PROBE(device_get_parent(dev), dev, ex_ids); 209 210 /* If the card had a PnP ID that didn't match any we know about */ 211 if (error == ENXIO) 212 return(error); 213 214 /* If we had some other problem. */ 215 if (!(error == 0 || error == ENOENT)) 216 return(error); 217 218 error = ex_alloc_resources(dev); 219 if (error != 0) 220 goto bad; 221 iobase = bus_get_resource_start(dev, SYS_RES_IOPORT, 0); 222 if (!ex_look_for_card(sc)) { 223 if (bootverbose) 224 printf("ex: no card found at 0x%03lx.\n", (unsigned long)iobase); 225 error = ENXIO; 226 goto bad; 227 } 228 if (bootverbose) 229 printf("ex: ex_isa_probe() found card at 0x%03lx\n", (unsigned long)iobase); 230 231 /* 232 * Reset the card. 233 */ 234 CSR_WRITE_1(sc, CMD_REG, Reset_CMD); 235 DELAY(800); 236 237 ex_get_address(sc, enaddr); 238 239 /* work out which set of irq <-> internal tables to use */ 240 if (ex_card_type(enaddr) == CARD_TYPE_EX_10_PLUS) { 241 irq2ee = plus_irq2eemap; 242 ee2irq = plus_ee2irqmap; 243 } else { 244 irq2ee = irq2eemap; 245 ee2irq = ee2irqmap; 246 } 247 248 tmp = ex_eeprom_read(sc, EE_W1) & EE_W1_INT_SEL; 249 irq = bus_get_resource_start(dev, SYS_RES_IRQ, 0); 250 251 if (irq > 0) { 252 /* This will happen if board is in PnP mode. */ 253 if (ee2irq[tmp] != irq) { 254 printf("ex: WARNING: board's EEPROM is configured" 255 " for IRQ %d, using %d\n", 256 ee2irq[tmp], irq); 257 } 258 } else { 259 irq = ee2irq[tmp]; 260 bus_set_resource(dev, SYS_RES_IRQ, 0, irq, 1); 261 } 262 263 if (irq == 0) { 264 printf("ex: invalid IRQ.\n"); 265 error = ENXIO; 266 } 267 268bad:; 269 ex_release_resources(dev); 270 return(error); 271} 272 273static int 274ex_isa_attach(device_t dev) 275{ 276 struct ex_softc * sc = device_get_softc(dev); 277 int error = 0; 278 uint16_t temp; 279 280 sc->dev = dev; 281 sc->ioport_rid = 0; 282 sc->irq_rid = 0; 283 284 if ((error = ex_alloc_resources(dev)) != 0) { 285 device_printf(dev, "ex_alloc_resources() failed!\n"); 286 goto bad; 287 } 288 289 /* 290 * Fill in several fields of the softc structure: 291 * - I/O base address. 292 * - Hardware Ethernet address. 293 * - IRQ number (if not supplied in config file, read it from EEPROM). 294 * - Connector type. 295 */ 296 sc->irq_no = rman_get_start(sc->irq); 297 298 ex_get_address(sc, sc->enaddr); 299 300 temp = ex_eeprom_read(sc, EE_W0); 301 device_printf(sc->dev, "%s config, %s bus, ", 302 (temp & EE_W0_PNP) ? "PnP" : "Manual", 303 (temp & EE_W0_BUS16) ? "16-bit" : "8-bit"); 304 305 temp = ex_eeprom_read(sc, EE_W6); 306 printf("board id 0x%03x, stepping 0x%01x\n", 307 (temp & EE_W6_BOARD_MASK) >> EE_W6_BOARD_SHIFT, 308 temp & EE_W6_STEP_MASK); 309 310 if ((error = ex_attach(dev)) != 0) { 311 device_printf(dev, "ex_attach() failed!\n"); 312 goto bad; 313 } 314 315 return(0); 316bad: 317 ex_release_resources(dev); 318 return (error); 319} 320 321static int 322ex_look_for_card(struct ex_softc *sc) 323{ 324 int count1, count2; 325 326 /* 327 * Check for the i82595 signature, and check that the round robin 328 * counter actually advances. 329 */ 330 if (((count1 = CSR_READ_1(sc, ID_REG)) & Id_Mask) != Id_Sig) 331 return(0); 332 count2 = CSR_READ_1(sc, ID_REG); 333 count2 = CSR_READ_1(sc, ID_REG); 334 count2 = CSR_READ_1(sc, ID_REG); 335 336 return((count2 & Counter_bits) == ((count1 + 0xc0) & Counter_bits)); 337} 338