2 * Copyright (c) 2000 Matthew N. Dodd
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
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.
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
26 * $FreeBSD: src/sys/dev/ex/if_ex_isa.c,v 1.3.2.1 2001/03/05 05:33:20 imp Exp $
29 #include <sys/param.h>
30 #include <sys/systm.h>
31 #include <sys/kernel.h>
32 #include <sys/interrupt.h>
33 #include <sys/socket.h>
34 #include <sys/module.h>
37 #include <sys/serialize.h>
39 #include <machine/clock.h>
42 #include <net/if_arp.h>
43 #include <net/if_media.h>
45 #include <bus/isa/isavar.h>
46 #include <bus/isa/pnpvar.h>
51 /* Bus Front End Functions */
52 static int ex_isa_identify (driver_t *, device_t);
53 static int ex_isa_probe (device_t);
54 static int ex_isa_attach (device_t);
57 * We need an identify function to 'probe' the ISA bus.
59 static device_method_t ex_methods[] = {
60 /* Device interface */
61 DEVMETHOD(device_identify, ex_isa_identify),
62 DEVMETHOD(device_probe, ex_isa_probe),
63 DEVMETHOD(device_attach, ex_isa_attach),
68 static driver_t ex_driver = {
71 sizeof(struct ex_softc),
74 devclass_t ex_devclass;
76 DRIVER_MODULE(if_ex, isa, ex_driver, ex_devclass, NULL, NULL);
78 static struct isa_pnp_id ex_ids[] = {
79 { 0x3110d425, NULL }, /* INT1031 */
80 { 0x3010d425, NULL }, /* INT1030 */
85 * Non-destructive identify.
88 ex_isa_identify (driver_t *driver, device_t parent)
99 * Rescanning ISA I/O ports is not supported.
101 if (device_get_state(parent) == DS_ATTACHED)
105 kprintf("ex_isa_identify()\n");
108 for (ioport = 0x200; ioport < 0x3a0; ioport += 0x10) {
110 /* No board found at address */
111 if (!look_for_card(ioport)) {
116 kprintf("ex: Found card at 0x%03x!\n", ioport);
118 /* Board in PnP mode */
119 if (eeprom_read(ioport, EE_W0) & EE_W0_PNP) {
120 /* Reset the card. */
121 outb(ioport + CMD_REG, Reset_CMD);
124 kprintf("ex: card at 0x%03x in PnP mode!\n", ioport);
128 bzero(enaddr, sizeof(enaddr));
130 /* Reset the card. */
131 outb(ioport + CMD_REG, Reset_CMD);
134 ex_get_address(ioport, enaddr);
135 tmp = eeprom_read(ioport, EE_W1) & EE_W1_INT_SEL;
137 /* work out which set of irq <-> internal tables to use */
138 if (ex_card_type(enaddr) == CARD_TYPE_EX_10_PLUS) {
139 irq = plus_ee2irqmap[tmp];
140 desc = "Intel Pro/10+";
142 irq = ee2irqmap[tmp];
143 desc = "Intel Pro/10";
146 child = BUS_ADD_CHILD(parent, parent,
147 ISA_ORDER_SPECULATIVE, "ex", -1);
148 device_set_desc_copy(child, desc);
149 device_set_driver(child, driver);
150 bus_set_resource(child, SYS_RES_IRQ, 0, irq, 1);
151 bus_set_resource(child, SYS_RES_IOPORT, 0, ioport, EX_IOSIZE);
155 kprintf("ex: Adding board at 0x%03x, irq %d\n", ioport, irq);
157 return (count ? 0 : ENXIO);
161 ex_isa_probe(device_t dev)
170 /* Check isapnp ids */
171 error = ISA_PNP_PROBE(device_get_parent(dev), dev, ex_ids);
173 /* If the card had a PnP ID that didn't match any we know about */
174 if (error == ENXIO) {
178 /* If we had some other problem. */
179 if (!(error == 0 || error == ENOENT)) {
183 iobase = bus_get_resource_start(dev, SYS_RES_IOPORT, 0);
185 kprintf("ex: no iobase?\n");
189 if (!look_for_card(iobase)) {
190 kprintf("ex: no card found at 0x%03x\n", iobase);
195 kprintf("ex: ex_isa_probe() found card at 0x%03x\n", iobase);
200 outb(iobase + CMD_REG, Reset_CMD);
203 ex_get_address(iobase, enaddr);
205 /* work out which set of irq <-> internal tables to use */
206 if (ex_card_type(enaddr) == CARD_TYPE_EX_10_PLUS)
207 ee2irq = plus_ee2irqmap;
211 tmp = eeprom_read(iobase, EE_W1) & EE_W1_INT_SEL;
212 irq = bus_get_resource_start(dev, SYS_RES_IRQ, 0);
215 /* This will happen if board is in PnP mode. */
216 if (ee2irq[tmp] != irq) {
217 kprintf("ex: WARNING: board's EEPROM is configured"
218 " for IRQ %d, using %d\n",
223 bus_set_resource(dev, SYS_RES_IRQ, 0, irq, 1);
227 kprintf("ex: invalid IRQ.\n");
235 ex_isa_attach(device_t dev)
237 struct ex_softc * sc = device_get_softc(dev);
238 struct ifnet * ifp = &sc->arpcom.ac_if;
246 if ((error = ex_alloc_resources(dev)) != 0) {
247 device_printf(dev, "ex_alloc_resources() failed!\n");
252 * Fill in several fields of the softc structure:
253 * - I/O base address.
254 * - Hardware Ethernet address.
255 * - IRQ number (if not supplied in config file, read it from EEPROM).
258 sc->iobase = rman_get_start(sc->ioport);
259 sc->irq_no = rman_get_start(sc->irq);
261 ex_get_address(sc->iobase, sc->arpcom.ac_enaddr);
263 temp = eeprom_read(sc->iobase, EE_W0);
264 device_printf(sc->dev, "%s config, %s bus, ",
265 (temp & EE_W0_PNP) ? "PnP" : "Manual",
266 (temp & EE_W0_BUS16) ? "16-bit" : "8-bit");
268 temp = eeprom_read(sc->iobase, EE_W6);
269 kprintf("board id 0x%03x, stepping 0x%01x\n",
270 (temp & EE_W6_BOARD_MASK) >> EE_W6_BOARD_SHIFT,
271 temp & EE_W6_STEP_MASK);
273 if ((error = ex_attach(dev)) != 0) {
274 device_printf(dev, "ex_attach() failed!\n");
278 error = bus_setup_intr(dev, sc->irq, INTR_MPSAFE,
279 ex_intr, (void *)sc, &sc->ih,
282 device_printf(dev, "bus_setup_intr() failed!\n");
286 ifp->if_cpuid = ithread_cpuid(rman_get_start(sc->irq));
287 KKASSERT(ifp->if_cpuid >= 0 && ifp->if_cpuid < ncpus);
291 ex_release_resources(dev);