sys/dev/ex/if_ex_isa.c

   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  *      $FreeBSD$
  27  */
  28
  29 #include <sys/param.h>
  30 #include <sys/systm.h>
  31 #include <sys/kernel.h>
  32 #include <sys/socket.h>
  33
  34 #include <sys/module.h>
  35 #include <sys/bus.h>
  36
  37 #include <machine/bus.h>
  38 #include <machine/resource.h>
  39 #include <sys/rman.h>
  40
  41 #include <net/if.h>
  42 #include <net/if_arp.h>
  43 #include <net/if_media.h>
  44
  45
  46 #include <isa/isavar.h>
  47 #include <isa/pnpvar.h>
  48
  49 #include <dev/ex/if_exreg.h>
  50 #include <dev/ex/if_exvar.h>
  51
  52 /* Bus Front End Functions */
  53 static void     ex_isa_identify (driver_t *, device_t);
  54 static int      ex_isa_probe    (device_t);
  55 static int      ex_isa_attach   (device_t);
  56
  57 #if 0
  58 static  void    ex_pnp_wakeup   (void *);
  59
  60 SYSINIT(ex_pnpwakeup, SI_SUB_CPU, SI_ORDER_ANY, ex_pnp_wakeup, NULL);
  61 #endif
  62
  63 static device_method_t ex_methods[] = {
  64         /* Device interface */
  65         DEVMETHOD(device_identify,      ex_isa_identify),
  66         DEVMETHOD(device_probe,         ex_isa_probe),
  67         DEVMETHOD(device_attach,        ex_isa_attach),
  68
  69         { 0, 0 }
  70 };
  71
  72 static driver_t ex_driver = {
  73         "ex",
  74         ex_methods,
  75         sizeof(struct ex_softc),
  76 };
  77
  78 devclass_t ex_devclass;
  79
  80 DRIVER_MODULE(ex, isa, ex_driver, ex_devclass, 0, 0);
  81
  82 static struct isa_pnp_id ex_ids[] = {
  83         { 0x3110d425,   NULL }, /* INT1031 */
  84         { 0x3010d425,   NULL }, /* INT1030 */
  85         { 0,            NULL },
  86 };
  87
  88 #if 0
  89 #define EX_PNP_WAKE             0x279
  90
  91 static u_int8_t ex_pnp_wake_seq[] =
  92                         { 0x6A, 0xB5, 0xDA, 0xED, 0xF6, 0xFB, 0x7D, 0xBE,
  93                           0xDF, 0x6F, 0x37, 0x1B, 0x0D, 0x86, 0xC3, 0x61,
  94                           0xB0, 0x58, 0x2C, 0x16, 0x8B, 0x45, 0xA2, 0xD1,
  95                           0xE8, 0x74, 0x3A, 0x9D, 0xCE, 0xE7, 0x73, 0x43 };
  96
  97 static void
  98 ex_pnp_wakeup (void * dummy)
  99 {
 100         int     tmp;
 101
 102         if (bootverbose)
 103                 printf("ex_pnp_wakeup()\n");
 104
 105         outb(EX_PNP_WAKE, 0);
 106         outb(EX_PNP_WAKE, 0);
 107         for (tmp = 0; tmp < 32; tmp++) {
 108                 outb(EX_PNP_WAKE, ex_pnp_wake_seq[tmp]);
 109         }
 110 }
 111 #endif
 112
 113 /*
 114  * Non-destructive identify.
 115  */
 116 static void
 117 ex_isa_identify (driver_t *driver, device_t parent)
 118 {
 119         device_t        child;
 120         u_int32_t       ioport;
 121         u_char          enaddr[6];
 122         u_int           irq;
 123         int             tmp;
 124         const char *    desc;
 125
 126         if (bootverbose)
 127                 printf("ex_isa_identify()\n");
 128
 129         for (ioport = 0x200; ioport < 0x3a0; ioport += 0x10) {
 130
 131                 /* No board found at address */
 132                 if (!look_for_card(ioport)) {
 133                         continue;
 134                 }
 135
 136                 if (bootverbose)
 137                         printf("ex: Found card at 0x%03x!\n", ioport);
 138
 139                 /* Board in PnP mode */
 140                 if (eeprom_read(ioport, EE_W0) & EE_W0_PNP) {
 141                         /* Reset the card. */
 142                         outb(ioport + CMD_REG, Reset_CMD);
 143                         DELAY(500);
 144                         if (bootverbose)
 145                                 printf("ex: card at 0x%03x in PnP mode!\n", ioport);
 146                         continue;
 147                 }
 148
 149                 bzero(enaddr, sizeof(enaddr));
 150
 151                 /* Reset the card. */
 152                 outb(ioport + CMD_REG, Reset_CMD);
 153                 DELAY(400);
 154
 155                 ex_get_address(ioport, enaddr);
 156                 tmp = eeprom_read(ioport, EE_W1) & EE_W1_INT_SEL;
 157
 158                 /* work out which set of irq <-> internal tables to use */
 159                 if (ex_card_type(enaddr) == CARD_TYPE_EX_10_PLUS) {
 160                         irq  = plus_ee2irqmap[tmp];
 161                         desc = "Intel Pro/10+";
 162                 } else {
 163                         irq = ee2irqmap[tmp];
 164                         desc = "Intel Pro/10";
 165                 }
 166
 167                 child = BUS_ADD_CHILD(parent, ISA_ORDER_SPECULATIVE, "ex", -1);
 168                 device_set_desc_copy(child, desc);
 169                 device_set_driver(child, driver);
 170                 bus_set_resource(child, SYS_RES_IRQ, 0, irq, 1);
 171                 bus_set_resource(child, SYS_RES_IOPORT, 0, ioport, EX_IOSIZE);
 172
 173                 if (bootverbose)
 174                         printf("ex: Adding board at 0x%03x, irq %d\n", ioport, irq);
 175         }
 176
 177         return;
 178 }
 179
 180 static int
 181 ex_isa_probe(device_t dev)
 182 {
 183         u_int           iobase;
 184         u_int           irq;
 185         char *          irq2ee;
 186         u_char *        ee2irq;
 187         u_char          enaddr[6];
 188         int             tmp;
 189         int             error;
 190
 191         /* Check isapnp ids */
 192         error = ISA_PNP_PROBE(device_get_parent(dev), dev, ex_ids);
 193
 194         /* If the card had a PnP ID that didn't match any we know about */
 195         if (error == ENXIO) {
 196                 return(error);
 197         }
 198
 199         /* If we had some other problem. */
 200         if (!(error == 0 || error == ENOENT)) {
 201                 return(error);
 202         }
 203
 204         iobase = bus_get_resource_start(dev, SYS_RES_IOPORT, 0);
 205         if (!iobase) {
 206                 printf("ex: no iobase?\n");
 207                 return(ENXIO);
 208         }
 209
 210         if (!look_for_card(iobase)) {
 211                 printf("ex: no card found at 0x%03x\n", iobase);
 212                 return(ENXIO);
 213         }
 214
 215         if (bootverbose)
 216                 printf("ex: ex_isa_probe() found card at 0x%03x\n", iobase);
 217
 218         /*
 219          * Reset the card.
 220          */
 221         outb(iobase + CMD_REG, Reset_CMD);
 222         DELAY(800);
 223
 224         ex_get_address(iobase, enaddr);
 225
 226         /* work out which set of irq <-> internal tables to use */
 227         if (ex_card_type(enaddr) == CARD_TYPE_EX_10_PLUS) {
 228                 irq2ee = plus_irq2eemap;
 229                 ee2irq = plus_ee2irqmap;
 230         } else {
 231                 irq2ee = irq2eemap;
 232                 ee2irq = ee2irqmap;
 233         }
 234
 235         tmp = eeprom_read(iobase, EE_W1) & EE_W1_INT_SEL;
 236         irq = bus_get_resource_start(dev, SYS_RES_IRQ, 0);
 237
 238         if (irq > 0) {
 239                 /* This will happen if board is in PnP mode. */
 240                 if (ee2irq[tmp] != irq) {
 241                         printf("ex: WARNING: board's EEPROM is configured"
 242                                 " for IRQ %d, using %d\n",
 243                                 ee2irq[tmp], irq);
 244                 }
 245         } else {
 246                 irq = ee2irq[tmp];
 247                 bus_set_resource(dev, SYS_RES_IRQ, 0, irq, 1);
 248         }
 249
 250         if (irq == 0) {
 251                 printf("ex: invalid IRQ.\n");
 252                 return(ENXIO);
 253         }
 254
 255         return(0);
 256 }
 257
 258 static int
 259 ex_isa_attach(device_t dev)
 260 {
 261         struct ex_softc *       sc = device_get_softc(dev);
 262         int                     error = 0;
 263         u_int16_t               temp;
 264
 265         sc->dev = dev;
 266         sc->ioport_rid = 0;
 267         sc->irq_rid = 0;
 268
 269         if ((error = ex_alloc_resources(dev)) != 0) {
 270                 device_printf(dev, "ex_alloc_resources() failed!\n");
 271                 goto bad;
 272         }
 273
 274         /*
 275          * Fill in several fields of the softc structure:
 276          *      - I/O base address.
 277          *      - Hardware Ethernet address.
 278          *      - IRQ number (if not supplied in config file, read it from EEPROM).
 279          *      - Connector type.
 280          */
 281         sc->iobase = rman_get_start(sc->ioport);
 282         sc->irq_no = rman_get_start(sc->irq);
 283
 284         ex_get_address(sc->iobase, sc->arpcom.ac_enaddr);
 285
 286         temp = eeprom_read(sc->iobase, EE_W0);
 287         device_printf(sc->dev, "%s config, %s bus, ",
 288                 (temp & EE_W0_PNP) ? "PnP" : "Manual",
 289                 (temp & EE_W0_BUS16) ? "16-bit" : "8-bit");
 290
 291         temp = eeprom_read(sc->iobase, EE_W6);
 292         printf("board id 0x%03x, stepping 0x%01x\n",
 293                 (temp & EE_W6_BOARD_MASK) >> EE_W6_BOARD_SHIFT,
 294                 temp & EE_W6_STEP_MASK);
 295
 296         if ((error = ex_attach(dev)) != 0) {
 297                 device_printf(dev, "ex_attach() failed!\n");
 298                 goto bad;
 299         }
 300
 301         error = bus_setup_intr(dev, sc->irq, INTR_TYPE_NET,
 302                                 ex_intr, (void *)sc, &sc->ih);
 303         if (error) {
 304                 device_printf(dev, "bus_setup_intr() failed!\n");
 305                 goto bad;
 306         }
 307
 308         return(0);
 309 bad:
 310         ex_release_resources(dev);
 311         return (error);
 312 }