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
28 #include <sys/cdefs.h>
29 __FBSDID("$FreeBSD$");
31 #include <sys/param.h>
32 #include <sys/systm.h>
33 #include <sys/kernel.h>
34 #include <sys/socket.h>
36 #include <sys/module.h>
39 #include <machine/bus.h>
40 #include <machine/resource.h>
44 #include <net/if_arp.h>
45 #include <net/if_media.h>
48 #include <isa/isavar.h>
49 #include <isa/pnpvar.h>
51 #include <dev/ex/if_exreg.h>
52 #include <dev/ex/if_exvar.h>
54 /* Bus Front End Functions */
55 static void ex_isa_identify(driver_t *, device_t);
56 static int ex_isa_probe(device_t);
57 static int ex_isa_attach(device_t);
59 static int ex_look_for_card(struct ex_softc *);
62 static void ex_pnp_wakeup(void *);
64 SYSINIT(ex_pnpwakeup, SI_SUB_CPU, SI_ORDER_ANY, ex_pnp_wakeup, NULL);
67 static 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),
77 static driver_t ex_isa_driver = {
80 sizeof(struct ex_softc),
83 DRIVER_MODULE(ex, isa, ex_isa_driver, ex_devclass, 0, 0);
85 static struct isa_pnp_id ex_ids[] = {
86 { 0x3110d425, NULL }, /* INT1031 */
87 { 0x3010d425, NULL }, /* INT1030 */
92 #define EX_PNP_WAKE 0x279
94 static 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 };
101 ex_pnp_wakeup (void * dummy)
106 printf("ex_pnp_wakeup()\n");
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]);
117 * Non-destructive identify.
120 ex_isa_identify(driver_t *driver, device_t parent)
129 struct resource *res;
133 printf("ex_isa_identify()\n");
135 for (ioport = 0x200; ioport < 0x3a0; ioport += 0x10) {
137 res = bus_alloc_resource(parent, SYS_RES_IOPORT, &rid,
138 ioport, ioport, 0x10, RF_ACTIVE);
141 sc.bst = rman_get_bustag(res);
142 sc.bsh = rman_get_bushandle(res);
144 /* No board found at address */
145 if (!ex_look_for_card(&sc)) {
146 bus_release_resource(parent, SYS_RES_IOPORT, rid, res);
151 printf("ex: Found card at 0x%03lx!\n", (unsigned long)ioport);
153 /* Board in PnP mode */
154 if (ex_eeprom_read(&sc, EE_W0) & EE_W0_PNP) {
155 /* Reset the card. */
156 CSR_WRITE_1(&sc, CMD_REG, Reset_CMD);
159 printf("ex: card at 0x%03lx in PnP mode!\n", (unsigned long)ioport);
160 bus_release_resource(parent, SYS_RES_IOPORT, rid, res);
164 bzero(enaddr, sizeof(enaddr));
166 /* Reset the card. */
167 CSR_WRITE_1(&sc, CMD_REG, Reset_CMD);
170 ex_get_address(&sc, enaddr);
171 tmp = ex_eeprom_read(&sc, EE_W1) & EE_W1_INT_SEL;
173 /* work out which set of irq <-> internal tables to use */
174 if (ex_card_type(enaddr) == CARD_TYPE_EX_10_PLUS) {
175 irq = plus_ee2irqmap[tmp];
176 desc = "Intel Pro/10+";
178 irq = ee2irqmap[tmp];
179 desc = "Intel Pro/10";
182 bus_release_resource(parent, SYS_RES_IOPORT, rid, res);
183 child = BUS_ADD_CHILD(parent, ISA_ORDER_SPECULATIVE, "ex", -1);
184 device_set_desc_copy(child, desc);
185 device_set_driver(child, driver);
186 bus_set_resource(child, SYS_RES_IRQ, 0, irq, 1);
187 bus_set_resource(child, SYS_RES_IOPORT, 0, ioport, EX_IOSIZE);
189 printf("ex: Adding board at 0x%03lx, irq %d\n",
190 (unsigned long)ioport, irq);
197 ex_isa_probe(device_t dev)
206 struct ex_softc *sc = device_get_softc(dev);
208 /* Check isapnp ids */
209 error = ISA_PNP_PROBE(device_get_parent(dev), dev, ex_ids);
211 /* If the card had a PnP ID that didn't match any we know about */
215 /* If we had some other problem. */
216 if (!(error == 0 || error == ENOENT))
219 error = ex_alloc_resources(dev);
222 iobase = bus_get_resource_start(dev, SYS_RES_IOPORT, 0);
223 if (!ex_look_for_card(sc)) {
225 printf("ex: no card found at 0x%03lx.\n", (unsigned long)iobase);
230 printf("ex: ex_isa_probe() found card at 0x%03lx\n", (unsigned long)iobase);
235 CSR_WRITE_1(sc, CMD_REG, Reset_CMD);
238 ex_get_address(sc, enaddr);
240 /* work out which set of irq <-> internal tables to use */
241 if (ex_card_type(enaddr) == CARD_TYPE_EX_10_PLUS) {
242 irq2ee = plus_irq2eemap;
243 ee2irq = plus_ee2irqmap;
249 tmp = ex_eeprom_read(sc, EE_W1) & EE_W1_INT_SEL;
250 irq = bus_get_resource_start(dev, SYS_RES_IRQ, 0);
253 /* This will happen if board is in PnP mode. */
254 if (ee2irq[tmp] != irq) {
255 printf("ex: WARNING: board's EEPROM is configured"
256 " for IRQ %d, using %d\n",
261 bus_set_resource(dev, SYS_RES_IRQ, 0, irq, 1);
265 printf("ex: invalid IRQ.\n");
270 ex_release_resources(dev);
275 ex_isa_attach(device_t dev)
277 struct ex_softc * sc = device_get_softc(dev);
285 if ((error = ex_alloc_resources(dev)) != 0) {
286 device_printf(dev, "ex_alloc_resources() failed!\n");
291 * Fill in several fields of the softc structure:
292 * - I/O base address.
293 * - Hardware Ethernet address.
294 * - IRQ number (if not supplied in config file, read it from EEPROM).
297 sc->irq_no = rman_get_start(sc->irq);
299 ex_get_address(sc, sc->arpcom.ac_enaddr);
301 temp = ex_eeprom_read(sc, EE_W0);
302 device_printf(sc->dev, "%s config, %s bus, ",
303 (temp & EE_W0_PNP) ? "PnP" : "Manual",
304 (temp & EE_W0_BUS16) ? "16-bit" : "8-bit");
306 temp = ex_eeprom_read(sc, EE_W6);
307 printf("board id 0x%03x, stepping 0x%01x\n",
308 (temp & EE_W6_BOARD_MASK) >> EE_W6_BOARD_SHIFT,
309 temp & EE_W6_STEP_MASK);
311 if ((error = ex_attach(dev)) != 0) {
312 device_printf(dev, "ex_attach() failed!\n");
316 error = bus_setup_intr(dev, sc->irq, INTR_TYPE_NET,
317 ex_intr, (void *)sc, &sc->ih);
319 device_printf(dev, "bus_setup_intr() failed!\n");
325 ex_release_resources(dev);
330 ex_look_for_card(struct ex_softc *sc)
335 * Check for the i82595 signature, and check that the round robin
336 * counter actually advances.
338 if (((count1 = CSR_READ_1(sc, ID_REG)) & Id_Mask) != Id_Sig)
340 count2 = CSR_READ_1(sc, ID_REG);
341 count2 = CSR_READ_1(sc, ID_REG);
342 count2 = CSR_READ_1(sc, ID_REG);
344 return((count2 & Counter_bits) == ((count1 + 0xc0) & Counter_bits));