if_ex_isa.c revision 66440 
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: head/sys/dev/ex/if_ex_isa.c 66440 2000-09-29 03:58:06Z imp $
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#include <machine/clock.h>
46
47#include <isa/isavar.h>
48#include <isa/pnpvar.h>
49
50#include <dev/ex/if_exreg.h>
51#include <dev/ex/if_exvar.h>
52
53/* Bus Front End Functions */
54static void	ex_isa_identify	__P((driver_t *, device_t));
55static int	ex_isa_probe	__P((device_t));
56static int	ex_isa_attach	__P((device_t));
57
58#if 0
59static	void	ex_pnp_wakeup	(void *);
60
61SYSINIT(ex_pnpwakeup, SI_SUB_CPU, SI_ORDER_ANY, ex_pnp_wakeup, NULL);
62#endif
63
64static device_method_t ex_methods[] = {
65	/* Device interface */
66	DEVMETHOD(device_identify,	ex_isa_identify),
67	DEVMETHOD(device_probe,		ex_isa_probe),
68	DEVMETHOD(device_attach,	ex_isa_attach),
69
70	{ 0, 0 }
71};
72
73static driver_t ex_driver = {
74	"ex",
75	ex_methods,
76	sizeof(struct ex_softc),
77};
78
79devclass_t ex_devclass;
80
81DRIVER_MODULE(ex, isa, ex_driver, ex_devclass, 0, 0);
82
83static struct isa_pnp_id ex_ids[] = {
84	{ 0x3110d425,	NULL },	/* INT1031 */
85	{ 0x3010d425,	NULL },	/* INT1030 */
86	{ 0,		NULL },
87};
88
89#if 0
90#define EX_PNP_WAKE		0x279
91
92static u_int8_t ex_pnp_wake_seq[] =
93			{ 0x6A, 0xB5, 0xDA, 0xED, 0xF6, 0xFB, 0x7D, 0xBE,
94			  0xDF, 0x6F, 0x37, 0x1B, 0x0D, 0x86, 0xC3, 0x61,
95			  0xB0, 0x58, 0x2C, 0x16, 0x8B, 0x45, 0xA2, 0xD1,
96			  0xE8, 0x74, 0x3A, 0x9D, 0xCE, 0xE7, 0x73, 0x43 };
97
98static void
99ex_pnp_wakeup (void * dummy)
100{
101	int	tmp;
102
103	if (bootverbose)
104		printf("ex_pnp_wakeup()\n");
105
106	outb(EX_PNP_WAKE, 0);
107	outb(EX_PNP_WAKE, 0);
108	for (tmp = 0; tmp < 32; tmp++) {
109		outb(EX_PNP_WAKE, ex_pnp_wake_seq[tmp]);
110	}
111}
112#endif
113
114/*
115 * Non-destructive identify.
116 */
117static void
118ex_isa_identify (driver_t *driver, device_t parent)
119{
120	device_t	child;
121	u_int32_t	ioport;
122	u_char 		enaddr[6];
123	u_int		irq;
124	int		tmp;
125	const char *	desc;
126
127	if (bootverbose)
128		printf("ex_isa_identify()\n");
129
130	for (ioport = 0x200; ioport < 0x3a0; ioport += 0x10) {
131
132		/* No board found at address */
133		if (!look_for_card(ioport)) {
134			continue;
135		}
136
137		if (bootverbose)
138			printf("ex: Found card at 0x%03x!\n", ioport);
139
140		/* Board in PnP mode */
141		if (eeprom_read(ioport, EE_W0) & EE_W0_PNP) {
142			/* Reset the card. */
143			outb(ioport + CMD_REG, Reset_CMD);
144			DELAY(500);
145			if (bootverbose)
146				printf("ex: card at 0x%03x in PnP mode!\n", ioport);
147			continue;
148		}
149
150		bzero(enaddr, sizeof(enaddr));
151
152		/* Reset the card. */
153		outb(ioport + CMD_REG, Reset_CMD);
154		DELAY(400);
155
156		ex_get_address(ioport, enaddr);
157		tmp = eeprom_read(ioport, EE_W1) & EE_W1_INT_SEL;
158
159		/* work out which set of irq <-> internal tables to use */
160		if (ex_card_type(enaddr) == CARD_TYPE_EX_10_PLUS) {
161			irq  = plus_ee2irqmap[tmp];
162			desc = "Intel Pro/10+";
163		} else {
164			irq = ee2irqmap[tmp];
165			desc = "Intel Pro/10";
166		}
167
168		child = BUS_ADD_CHILD(parent, ISA_ORDER_SPECULATIVE, "ex", -1);
169		device_set_desc_copy(child, desc);
170		device_set_driver(child, driver);
171		bus_set_resource(child, SYS_RES_IRQ, 0, irq, 1);
172		bus_set_resource(child, SYS_RES_IOPORT, 0, ioport, EX_IOSIZE);
173
174		if (bootverbose)
175			printf("ex: Adding board at 0x%03x, irq %d\n", ioport, irq);
176	}
177
178	return;
179}
180
181static int
182ex_isa_probe(device_t dev)
183{
184	u_int		iobase;
185	u_int		irq;
186	char *		irq2ee;
187	u_char *	ee2irq;
188	u_char 		enaddr[6];
189	int		tmp;
190	int		error;
191
192	/* Check isapnp ids */
193	error = ISA_PNP_PROBE(device_get_parent(dev), dev, ex_ids);
194
195	/* If the card had a PnP ID that didn't match any we know about */
196	if (error == ENXIO) {
197		return(error);
198	}
199
200	/* If we had some other problem. */
201	if (!(error == 0 || error == ENOENT)) {
202		return(error);
203	}
204
205	iobase = bus_get_resource_start(dev, SYS_RES_IOPORT, 0);
206	if (!iobase) {
207		printf("ex: no iobase?\n");
208		return(ENXIO);
209	}
210
211	if (!look_for_card(iobase)) {
212		printf("ex: no card found at 0x%03x\n", iobase);
213		return(ENXIO);
214	}
215
216	if (bootverbose)
217		printf("ex: ex_isa_probe() found card at 0x%03x\n", iobase);
218
219	/*
220	 * Reset the card.
221	 */
222	outb(iobase + CMD_REG, Reset_CMD);
223	DELAY(800);
224
225	ex_get_address(iobase, enaddr);
226
227	/* work out which set of irq <-> internal tables to use */
228	if (ex_card_type(enaddr) == CARD_TYPE_EX_10_PLUS) {
229		irq2ee = plus_irq2eemap;
230		ee2irq = plus_ee2irqmap;
231	} else {
232		irq2ee = irq2eemap;
233		ee2irq = ee2irqmap;
234	}
235
236	tmp = eeprom_read(iobase, EE_W1) & EE_W1_INT_SEL;
237	irq = bus_get_resource_start(dev, SYS_RES_IRQ, 0);
238
239	if (irq > 0) {
240		/* This will happen if board is in PnP mode. */
241		if (ee2irq[tmp] != irq) {
242			printf("ex: WARNING: board's EEPROM is configured"
243				" for IRQ %d, using %d\n",
244				ee2irq[tmp], irq);
245		}
246	} else {
247		irq = ee2irq[tmp];
248		bus_set_resource(dev, SYS_RES_IRQ, 0, irq, 1);
249	}
250
251	if (irq == 0) {
252		printf("ex: invalid IRQ.\n");
253		return(ENXIO);
254	}
255
256	return(0);
257}
258
259static int
260ex_isa_attach(device_t dev)
261{
262	struct ex_softc *	sc = device_get_softc(dev);
263	int			error = 0;
264	u_int16_t		temp;
265
266	sc->dev = dev;
267	sc->ioport_rid = 0;
268	sc->irq_rid = 0;
269
270	if ((error = ex_alloc_resources(dev)) != 0) {
271		device_printf(dev, "ex_alloc_resources() failed!\n");
272		goto bad;
273	}
274
275	/*
276	 * Fill in several fields of the softc structure:
277	 *	- I/O base address.
278	 *	- Hardware Ethernet address.
279	 *	- IRQ number (if not supplied in config file, read it from EEPROM).
280	 *	- Connector type.
281	 */
282	sc->iobase = rman_get_start(sc->ioport);
283	sc->irq_no = rman_get_start(sc->irq);
284
285	ex_get_address(sc->iobase, sc->arpcom.ac_enaddr);
286
287	temp = eeprom_read(sc->iobase, EE_W0);
288	device_printf(sc->dev, "%s config, %s bus, ",
289		(temp & EE_W0_PNP) ? "PnP" : "Manual",
290		(temp & EE_W0_BUS16) ? "16-bit" : "8-bit");
291
292	temp = eeprom_read(sc->iobase, EE_W6);
293	printf("board id 0x%03x, stepping 0x%01x\n",
294		(temp & EE_W6_BOARD_MASK) >> EE_W6_BOARD_SHIFT,
295		temp & EE_W6_STEP_MASK);
296
297	if ((error = ex_attach(dev)) != 0) {
298		device_printf(dev, "ex_attach() failed!\n");
299		goto bad;
300	}
301
302	error = bus_setup_intr(dev, sc->irq, INTR_TYPE_NET,
303				ex_intr, (void *)sc, &sc->ih);
304	if (error) {
305		device_printf(dev, "bus_setup_intr() failed!\n");
306		goto bad;
307	}
308
309	return(0);
310bad:
311	ex_release_resources(dev);
312	return (error);
313}
314