if_ed_cbus.c revision 150136
1/*-
2 * Copyright (c) 1995, David Greenman
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 unmodified, this list of conditions, and the following
10 *    disclaimer.
11 * 2. Redistributions in binary form must reproduce the above copyright
12 *    notice, this list of conditions and the following disclaimer in the
13 *    documentation and/or other materials provided with the distribution.
14 *
15 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
16 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
17 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
18 * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
19 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
20 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
21 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
22 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
23 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
24 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
25 * SUCH DAMAGE.
26 *
27 * $FreeBSD: head/sys/dev/ed/if_ed_cbus.c 150136 2005-09-14 19:03:14Z ru $
28 */
29
30#include <sys/param.h>
31#include <sys/systm.h>
32#include <sys/socket.h>
33#include <sys/kernel.h>
34
35#include <sys/module.h>
36#include <sys/bus.h>
37#include <machine/bus.h>
38#include <sys/rman.h>
39#include <machine/resource.h>
40#include <machine/clock.h>
41
42#include <net/ethernet.h>
43#include <net/if.h>
44#include <net/if_arp.h>
45#include <net/if_media.h>
46#include <net/if_mib.h>
47
48#include <isa/isavar.h>
49
50#include <dev/ed/if_edvar.h>
51#include <dev/ed/if_edreg.h>
52#include <dev/ed/if_ed98.h>
53
54static int ed98_alloc_port(device_t, int);
55static int ed98_alloc_memory(device_t, int);
56static int ed_pio_testmem(struct ed_softc *, int, int, int);
57static int ed_probe_SIC98(device_t, int, int);
58static int ed_probe_CNET98(device_t, int, int);
59static int ed_probe_CNET98EL(device_t, int, int);
60static int ed_probe_NEC77(device_t, int, int);
61static int ed_probe_NW98X(device_t, int, int);
62static int ed_probe_SB98(device_t, int, int);
63static int ed_probe_EZ98(device_t, int, int);
64static int ed98_probe_Novell(device_t, int, int);
65static int ed98_probe_generic8390(struct ed_softc *);
66static void ed_reset_CNET98(struct ed_softc *, int);
67static void ed_winsel_CNET98(struct ed_softc *, u_short);
68static void ed_get_SB98(struct ed_softc *);
69
70static int ed_cbus_probe(device_t);
71static int ed_cbus_attach(device_t);
72
73static struct isa_pnp_id ed_ids[] = {
74/* TODO - list up PnP boards for PC-98 */
75	{ 0,		NULL }
76};
77
78static int
79ed_cbus_probe(device_t dev)
80{
81	struct ed_softc *sc = device_get_softc(dev);
82	int flags = device_get_flags(dev);
83	int error = 0;
84
85	sc->type = ED_TYPE98(flags);
86#ifdef ED_DEBUG
87	device_printf(dev, "ed_cbus_probe: sc->type=%x\n", sc->type);
88#endif
89
90	/* Check isapnp ids */
91	error = ISA_PNP_PROBE(device_get_parent(dev), dev, ed_ids);
92#ifdef ED_DEBUG
93	device_printf(dev, "ed_cbus_probe: ISA_PNP_PROBE returns %d\n", error);
94#endif
95
96	/* If the card had a PnP ID that didn't match any we know about */
97	if (error == ENXIO)
98		goto end;
99
100	/* If we had some other problem. */
101	if (!(error == 0 || error == ENOENT))
102		goto end;
103
104	/* Heuristic probes */
105#ifdef ED_DEBUG
106	device_printf(dev, "ed_cbus_probe: Heuristic probes start\n");
107#endif
108	switch (sc->type) {
109	case ED_TYPE98_GENERIC:
110		/*
111		 * CAUTION!
112		 * sc->type of these boards are overwritten by PC/AT's value.
113		 */
114
115		/*
116		 * SMC EtherEZ98
117		 */
118		error = ed_probe_EZ98(dev, 0, flags);
119		if (error == 0)
120			goto end;
121
122		ed_release_resources(dev);
123
124		/*
125		 * Allied Telesis CenterCom LA-98-T
126		 */
127		error = ed_probe_Novell(dev, 0, flags);
128		if (error == 0) {
129			ed_Novell_read_mac(sc);
130			goto end;
131		}
132		break;
133
134	/*
135	 * NE2000-like boards probe routine
136	 */
137	case ED_TYPE98_BDN:
138		/*
139		 * ELECOM LANEED LD-BDN
140		 * PLANET SMART COM 98 EN-2298
141		 */
142	case ED_TYPE98_LGY:
143		/*
144		 * MELCO LGY-98, IND-SP, IND-SS
145		 * MACNICA NE2098
146		 */
147	case ED_TYPE98_ICM:
148		/*
149		 * ICM DT-ET-25, DT-ET-T5, IF-2766ET, IF-2771ET
150		 * D-Link DE-298P, DE-298
151		 */
152	case ED_TYPE98_EGY:
153		/*
154		 * MELCO EGY-98
155		 * Contec C-NET(98)E-A, C-NET(98)L-A
156		 */
157	case ED_TYPE98_108:
158		/*
159		 * NEC PC-9801-107,108
160		 */
161	case ED_TYPE98_NC5098:
162		/*
163		 * NextCom NC5098
164		 */
165		error = ed98_probe_Novell(dev, 0, flags);
166		break;
167
168	/*
169	 * other boards with special probe routine
170	 */
171	case ED_TYPE98_SIC:
172		/*
173		 * Allied Telesis SIC-98
174		 */
175		error = ed_probe_SIC98(dev, 0, flags);
176		break;
177
178	case ED_TYPE98_CNET98EL:
179		/*
180		 * Contec C-NET(98)E/L
181		 */
182		error = ed_probe_CNET98EL(dev, 0, flags);
183		break;
184
185	case ED_TYPE98_CNET98:
186		/*
187		 * Contec C-NET(98)
188		 */
189		error = ed_probe_CNET98(dev, 0, flags);
190		break;
191
192	case ED_TYPE98_LA98:
193		/*
194		 * IO-DATA LA/T-98
195		 * NEC PC-9801-77,78
196		 */
197		error = ed_probe_NEC77(dev, 0, flags);
198		break;
199
200	case ED_TYPE98_NW98X:
201		/*
202		 * Networld EC/EP-98X
203		 */
204		error = ed_probe_NW98X(dev, 0, flags);
205		break;
206
207	case ED_TYPE98_SB98:
208		/*
209		 * Soliton SB-9801
210		 * Fujikura FN-9801
211		 */
212		error = ed_probe_SB98(dev, 0, flags);
213		break;
214	}
215
216end:
217#ifdef ED_DEBUG
218	device_printf(dev, "ed_cbus_probe: end, error=%d\n", error);
219#endif
220	if (error == 0)
221		error = ed_alloc_irq(dev, 0, 0);
222
223	ed_release_resources(dev);
224	return (error);
225}
226
227static int
228ed_cbus_attach(dev)
229	device_t dev;
230{
231	struct ed_softc *sc = device_get_softc(dev);
232	int flags = device_get_flags(dev);
233	int error;
234
235	if (sc->port_used > 0) {
236		if (ED_TYPE98(flags) == ED_TYPE98_GENERIC)
237			ed_alloc_port(dev, sc->port_rid, sc->port_used);
238		else
239			ed98_alloc_port(dev, sc->port_rid);
240	}
241	if (sc->mem_used)
242		ed_alloc_memory(dev, sc->mem_rid, sc->mem_used);
243
244	ed_alloc_irq(dev, sc->irq_rid, 0);
245
246	error = bus_setup_intr(dev, sc->irq_res, INTR_TYPE_NET | INTR_MPSAFE,
247	    edintr, sc, &sc->irq_handle);
248	if (error) {
249		ed_release_resources(dev);
250		return (error);
251	}
252
253	return ed_attach(dev);
254}
255
256/*
257 * Interrupt conversion table for EtherEZ98
258 */
259static uint16_t ed_EZ98_intr_val[] = {
260	0,
261	3,
262	5,
263	6,
264	0,
265	9,
266	12,
267	13
268};
269
270static int
271ed_probe_EZ98(device_t dev, int port_rid, int flags)
272{
273	struct ed_softc *sc = device_get_softc(dev);
274	int error;
275	static unsigned short *intr_vals[] = {NULL, ed_EZ98_intr_val};
276
277	error = ed_alloc_port(dev, port_rid, ED_EZ98_IO_PORTS);
278	if (error) {
279		return (error);
280	}
281
282	sc->asic_offset = ED_EZ98_ASIC_OFFSET;
283	sc->nic_offset  = ED_EZ98_NIC_OFFSET;
284
285	return ed_probe_WD80x3_generic(dev, flags, intr_vals);
286}
287
288/*
289 * I/O conversion tables
290 */
291
292/* LGY-98, ICM, C-NET(98)E/L */
293static	bus_addr_t ed98_ioaddr_generic[] = {
294	0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15
295};
296
297/*
298 *		Definitions for Contec C-NET(98)E/L
299 */
300#define	ED_CNET98EL_ICR         2	/* Interrupt Configuration Register */
301
302#define	ED_CNET98EL_ICR_IRQ3	0x01
303#define	ED_CNET98EL_ICR_IRQ5	0x02
304#define	ED_CNET98EL_ICR_IRQ6	0x04
305#define	ED_CNET98EL_ICR_IRQ12	0x20
306
307#define	ED_CNET98EL_IMR         4	/* Interrupt Mask Register	*/
308#define	ED_CNET98EL_ISR         5	/* Interrupt Status Register	*/
309
310/* EGY-98 */
311static	bus_addr_t ed98_ioaddr_egy98[] = {
312	0,     0x02,  0x04,  0x06,  0x08,  0x0a,  0x0c,  0x0e,
313	0x100, 0x102, 0x104, 0x106, 0x108, 0x10a, 0x10c, 0x10e
314};
315
316/* SIC-98 */
317static	bus_addr_t ed98_ioaddr_sic98[] = {
318	0x0000, 0x0200, 0x0400, 0x0600, 0x0800, 0x0a00, 0x0c00, 0x0e00,
319	0x1000, 0x1200, 0x1400, 0x1600, 0x1800, 0x1a00, 0x1c00, 0x1e00
320};
321
322/* LA/T-98, LD-BDN, PC-9801-77, SB-9801 */
323static	bus_addr_t ed98_ioaddr_la98[] = {
324	0x0000, 0x1000, 0x2000, 0x3000, 0x4000, 0x5000, 0x6000, 0x7000,
325	0x8000, 0x9000, 0xa000, 0xb000, 0xc000, 0xd000, 0xe000, 0xf000,
326	0x0100	/* for NEC 77(see below) */
327};
328
329/*
330 *		Definitions for NEC PC-9801-77
331 */
332#define	ED_NEC77_IRQ		16	/* Interrupt Configuration Register */
333
334#define	ED_NEC77_IRQ3		0x04
335#define	ED_NEC77_IRQ5		0x06
336#define	ED_NEC77_IRQ6		0x08
337#define	ED_NEC77_IRQ12		0x0a
338#define	ED_NEC77_IRQ13		0x02
339
340/*
341 *		Definitions for Soliton SB-9801
342 */
343#define	ED_SB98_CFG		1	/* Board configuration		*/
344
345#define	ED_SB98_CFG_IRQ3	0x00
346#define	ED_SB98_CFG_IRQ5	0x04
347#define	ED_SB98_CFG_IRQ6	0x08
348#define	ED_SB98_CFG_IRQ12	0x0c
349#define	ED_SB98_CFG_ALTPORT	0x40		/* use EXTERNAL media	*/
350#define	ED_SB98_CFG_ENABLE	0xa0		/* enable configuration	*/
351
352#define	ED_SB98_EEPENA		2	/* EEPROM access enable		*/
353
354#define	ED_SB98_EEPENA_DISABLE	0x00
355#define	ED_SB98_EEPENA_ENABLE	0x01
356
357#define	ED_SB98_EEP		3	/* EEPROM access		*/
358
359#define	ED_SB98_EEP_SDA		0x01		/* Serial Data	*/
360#define	ED_SB98_EEP_SCL		0x02		/* Serial Clock	*/
361#define	ED_SB98_EEP_READ	0x01		/* Read Command	*/
362
363#define	ED_SB98_EEP_DELAY	300
364
365#define	ED_SB98_ADDRESS		0x01		/* Station Address(1-6)	*/
366
367#define	ED_SB98_POLARITY	4	/* Polarity			*/
368
369/* PC-9801-108 */
370static	bus_addr_t ed98_ioaddr_nec108[] = {
371	0x0000, 0x0002, 0x0004, 0x0006, 0x0008, 0x000a, 0x000c, 0x000e,
372	0x1000, 0x1002, 0x1004, 0x1006, 0x1008, 0x100a, 0x100c, 0x100e
373};
374
375/* C-NET(98) */
376static	bus_addr_t ed98_ioaddr_cnet98[] = {
377	0x0000, 0x0002, 0x0004, 0x0006, 0x0008, 0x000a, 0x000c, 0x000e,
378	0x0400, 0x0402, 0x0404, 0x0406, 0x0408, 0x040a, 0x040c, 0x040e
379};
380
381/*
382 *		Definitions for Contec C-NET(98)
383 */
384#define	ED_CNET98_MAP_REG0L	0	/* MAPPING register0 Low	*/
385#define	ED_CNET98_MAP_REG1L	1	/* MAPPING register1 Low	*/
386#define	ED_CNET98_MAP_REG2L	2	/* MAPPING register2 Low	*/
387#define	ED_CNET98_MAP_REG3L	3	/* MAPPING register3 Low	*/
388#define	ED_CNET98_MAP_REG0H	4	/* MAPPING register0 Hi		*/
389#define	ED_CNET98_MAP_REG1H	5	/* MAPPING register1 Hi		*/
390#define	ED_CNET98_MAP_REG2H	6	/* MAPPING register2 Hi		*/
391#define	ED_CNET98_MAP_REG3H	7	/* MAPPING register3 Hi		*/
392#define	ED_CNET98_WIN_REG	8	/* Window register		*/
393#define	ED_CNET98_INT_LEV	9	/* Init level register		*/
394
395#define	ED_CNET98_INT_IRQ3	0x01		/* INT 0 */
396#define	ED_CNET98_INT_IRQ5	0x02		/* INT 1 */
397#define	ED_CNET98_INT_IRQ6	0x04		/* INT 2 */
398#define	ED_CNET98_INT_IRQ9	0x08		/* INT 3 */
399#define	ED_CNET98_INT_IRQ12	0x20		/* INT 5 */
400#define	ED_CNET98_INT_IRQ13	0x40		/* INT 6 */
401
402#define	ED_CNET98_INT_REQ	10	/* Init request register	*/
403#define	ED_CNET98_INT_MASK	11	/* Init mask register		*/
404#define	ED_CNET98_INT_STAT	12	/* Init status register		*/
405#define	ED_CNET98_INT_CLR	12	/* Init clear register		*/
406#define	ED_CNET98_RESERVE1	13
407#define	ED_CNET98_RESERVE2	14
408#define	ED_CNET98_RESERVE3	15
409
410/* EC/EP-98X, NC5098 */
411static	bus_addr_t ed98_ioaddr_nw98x[] = {
412	0x0000, 0x0100, 0x0200, 0x0300, 0x0400, 0x0500, 0x0600, 0x0700,
413	0x0800, 0x0900, 0x0a00, 0x0b00, 0x0c00, 0x0d00, 0x0e00, 0x0f00,
414	0x1000	/* for EC/EP-98X(see below) */
415};
416
417/*
418 *		Definitions for Networld EC/EP-98X
419 */
420#define	ED_NW98X_IRQ            16	/* Interrupt Configuration Register */
421
422#define	ED_NW98X_IRQ3           0x04
423#define	ED_NW98X_IRQ5           0x06
424#define	ED_NW98X_IRQ6           0x08
425#define	ED_NW98X_IRQ12          0x0a
426#define	ED_NW98X_IRQ13          0x02
427
428/* NC5098 ASIC */
429static bus_addr_t ed98_asic_nc5098[] = {
430/*	DATA    ENADDR						RESET	*/
431	0x0000, 0x2000, 0x2100, 0x2200, 0x2300, 0x2400, 0x2500, 0x4000,
432	     0,      0,      0,      0,      0,      0,      0,      0
433};
434
435/*
436 *		Definitions for NextCom NC5098
437 */
438#define	ED_NC5098_ENADDR	1	/* Station Address(1-6)		*/
439
440/*
441 * Allocate a port resource with the given resource id.
442 */
443static int
444ed98_alloc_port(device_t dev, int rid)
445{
446	struct ed_softc *sc = device_get_softc(dev);
447	struct resource *res;
448	int error;
449	bus_addr_t *io_nic, *io_asic, adj;
450	static bus_addr_t io_res[ED_NOVELL_IO_PORTS + 1];
451	int i, n;
452	int offset, reset, data;
453
454	/* Set i/o table for resource manager */
455	io_nic = io_asic = ed98_ioaddr_generic;
456	offset = ED_NOVELL_ASIC_OFFSET;
457	reset = ED_NOVELL_RESET;
458	data  = ED_NOVELL_DATA;
459	n = ED_NOVELL_IO_PORTS;
460
461	switch (sc->type) {
462	case ED_TYPE98_LGY:
463		io_asic = ed98_ioaddr_egy98; /* XXX - Yes, we use egy98 */
464		offset = 0x0200;
465		reset = 8;
466		break;
467
468	case ED_TYPE98_EGY:
469		io_nic = io_asic = ed98_ioaddr_egy98;
470		offset = 0x0200;
471		reset = 8;
472		break;
473
474	case ED_TYPE98_ICM:
475		offset = 0x0100;
476		break;
477
478	case ED_TYPE98_BDN:
479		io_nic = io_asic = ed98_ioaddr_la98;
480		offset = 0x0100;
481		reset = 0x0c;
482		break;
483
484	case ED_TYPE98_SIC:
485		io_nic = io_asic = ed98_ioaddr_sic98;
486		offset = 0x2000;
487		n = 16+1;
488		break;
489
490	case ED_TYPE98_108:
491		io_nic = io_asic = ed98_ioaddr_nec108;
492		offset = 0x0888;	/* XXX - overwritten after */
493		reset = 1;
494		n = 16;	/* XXX - does not set ASIC i/o here */
495		break;
496
497	case ED_TYPE98_LA98:
498		io_nic = io_asic = ed98_ioaddr_la98;
499		offset = 0x0100;
500		break;
501
502	case ED_TYPE98_CNET98EL:
503		offset = 0x0400;
504		data = 0x0e;
505		break;
506
507	case ED_TYPE98_CNET98:
508		/* XXX - Yes, we use generic i/o here */
509		offset = 0x0400;
510		break;
511
512	case ED_TYPE98_NW98X:
513		io_nic = io_asic = ed98_ioaddr_nw98x;
514		offset = 0x1000;
515		break;
516
517	case ED_TYPE98_SB98:
518		io_nic = io_asic = ed98_ioaddr_la98;
519		offset = 0x0400;
520		reset = 7;
521		break;
522
523	case ED_TYPE98_NC5098:
524		io_nic  = ed98_ioaddr_nw98x;
525		io_asic = ed98_asic_nc5098;
526		offset = 0x2000;
527		reset = 7;
528		n = 16+8;	/* XXX */
529		break;
530	}
531
532	bcopy(io_nic, io_res, sizeof(io_nic[0]) * ED_NOVELL_ASIC_OFFSET);
533	for (i = ED_NOVELL_ASIC_OFFSET; i < ED_NOVELL_IO_PORTS; i++)
534		io_res[i] = io_asic[i - ED_NOVELL_ASIC_OFFSET] + offset;
535
536	res = isa_alloc_resourcev(dev, SYS_RES_IOPORT, &rid, io_res, n,
537	    RF_ACTIVE);
538	if (!res)
539		return (ENOENT);
540
541	sc->port_rid = rid;
542	sc->port_res = res;
543	sc->port_used = n;
544
545	/* Re-map i/o table if needed */
546	switch (sc->type) {
547	case ED_TYPE98_LA98:
548	case ED_TYPE98_NW98X:
549		io_res[n] = io_asic[n - ED_NOVELL_ASIC_OFFSET] + offset;
550		n++;
551		break;
552
553	case ED_TYPE98_108:
554		adj = (rman_get_start(res) & 0xf000) / 2;
555		offset = (offset | adj) - rman_get_start(res);
556
557		for (n = ED_NOVELL_ASIC_OFFSET; n < ED_NOVELL_IO_PORTS; n++)
558			io_res[n] = io_asic[n - ED_NOVELL_ASIC_OFFSET] + offset;
559		break;
560
561	case ED_TYPE98_CNET98:
562		io_nic = io_asic = ed98_ioaddr_cnet98;
563		offset = 1;
564
565		bcopy(io_nic, io_res, sizeof(io_nic[0]) * ED_NOVELL_ASIC_OFFSET);
566		for (n = ED_NOVELL_ASIC_OFFSET; n < ED_NOVELL_IO_PORTS; n++)
567			io_res[n] = io_asic[n - ED_NOVELL_ASIC_OFFSET] + offset;
568		break;
569
570	case ED_TYPE98_NC5098:
571		n = ED_NOVELL_IO_PORTS;
572		break;
573	}
574
575	if (reset != ED_NOVELL_RESET)
576		io_res[ED_NOVELL_ASIC_OFFSET + ED_NOVELL_RESET] =
577			io_res[ED_NOVELL_ASIC_OFFSET + reset];
578	if (data  != ED_NOVELL_DATA) {
579		io_res[ED_NOVELL_ASIC_OFFSET + ED_NOVELL_DATA] =
580			io_res[ED_NOVELL_ASIC_OFFSET + data];
581#if 0
582		io_res[ED_NOVELL_ASIC_OFFSET + ED_NOVELL_DATA + 1] =
583			io_res[ED_NOVELL_ASIC_OFFSET + data + 1];
584#endif
585	}
586
587	error = isa_load_resourcev(res, io_res, n);
588	if (error != 0)
589		return (ENOENT);
590#ifdef ED_DEBUG
591	device_printf(dev, "ed98_alloc_port: i/o ports = %d\n", n);
592	for (i = 0; i < n; i++)
593		printf("%x,", io_res[i]);
594	printf("\n");
595#endif
596	return (0);
597}
598
599static int
600ed98_alloc_memory(dev, rid)
601	device_t dev;
602	int rid;
603{
604	struct ed_softc *sc = device_get_softc(dev);
605	int error;
606	u_long conf_maddr, conf_msize;
607
608	error = bus_get_resource(dev, SYS_RES_MEMORY, 0, &conf_maddr,
609	    &conf_msize);
610	if (error)
611		return (error);
612
613	if ((conf_maddr == 0) || (conf_msize == 0))
614		return (ENXIO);
615
616	error = ed_alloc_memory(dev, rid, (int) conf_msize);
617	if (error)
618		return (error);
619
620	sc->mem_start = 0;
621	sc->mem_size  = conf_msize;
622
623	return (0);
624}
625
626/*
627 * Generic probe routine for testing for the existance of a DS8390.
628 *	Must be called after the NIC has just been reset. This routine
629 *	works by looking at certain register values that are guaranteed
630 *	to be initialized a certain way after power-up or reset. Seems
631 *	not to currently work on the 83C690.
632 *
633 * Specifically:
634 *
635 *	Register			reset bits	set bits
636 *	Command Register (CR)		TXP, STA	RD2, STP
637 *	Interrupt Status (ISR)				RST
638 *	Interrupt Mask (IMR)		All bits
639 *	Data Control (DCR)				LAS
640 *	Transmit Config. (TCR)		LB1, LB0
641 *
642 * XXX - We only check the CR register.
643 *
644 * Return 1 if 8390 was found, 0 if not.
645 */
646
647static int
648ed98_probe_generic8390(struct ed_softc *sc)
649{
650	u_char tmp = ed_nic_inb(sc, ED_P0_CR);
651#ifdef DIAGNOSTIC
652	printf("ed?: inb(ED_P0_CR)=%x\n", tmp);
653#endif
654	if ((tmp & (ED_CR_RD2 | ED_CR_TXP | ED_CR_STA | ED_CR_STP)) !=
655	    (ED_CR_RD2 | ED_CR_STP))
656		return (0);
657
658	(void) ed_nic_inb(sc, ED_P0_ISR);
659
660	return (1);
661}
662
663static int
664ed98_probe_Novell(device_t dev, int port_rid, int flags)
665{
666	struct ed_softc *sc = device_get_softc(dev);
667	int error;
668	int n;
669	u_char romdata[ETHER_ADDR_LEN * 2], tmp;
670
671#ifdef ED_DEBUG
672	device_printf(dev, "ed98_probe_Novell: start\n");
673#endif
674	error = ed98_alloc_port(dev, port_rid);
675	if (error)
676		return (error);
677
678	sc->asic_offset = ED_NOVELL_ASIC_OFFSET;
679	sc->nic_offset  = ED_NOVELL_NIC_OFFSET;
680
681	/* Reset the board */
682#ifdef ED_DEBUG
683	device_printf(dev, "ed98_probe_Novell: reset\n");
684#endif
685	switch (sc->type) {
686#if 1	/* XXX - I'm not sure this is really necessary... */
687	case ED_TYPE98_BDN:
688		tmp = ed_asic_inb(sc, ED_NOVELL_RESET);
689		ed_asic_outb(sc, ED_NOVELL_RESET, (tmp & 0xf0) | 0x08);
690		ed_nic_outb(sc, 0x04, tmp);
691		(void) ed_asic_inb(sc, 0x08);
692		ed_asic_outb(sc, 0x08, tmp);
693		ed_asic_outb(sc, 0x08, tmp & 0x7f);
694		break;
695#endif
696	case ED_TYPE98_NC5098:
697		ed_asic_outb(sc, ED_NOVELL_RESET, 0x00);
698		DELAY(5000);
699		ed_asic_outb(sc, ED_NOVELL_RESET, 0x01);
700		break;
701
702	default:
703		tmp = ed_asic_inb(sc, ED_NOVELL_RESET);
704
705	/*
706	 * I don't know if this is necessary; probably cruft leftover from
707	 * Clarkson packet driver code. Doesn't do a thing on the boards I've
708	 * tested. -DG [note that an outb(0x84, 0) seems to work here, and is
709	 * non-invasive...but some boards don't seem to reset and I don't have
710	 * complete documentation on what the 'right' thing to do is...so we
711	 * do the invasive thing for now. Yuck.]
712	 */
713		ed_asic_outb(sc, ED_NOVELL_RESET, tmp);
714		break;
715	}
716	DELAY(5000);
717
718	/*
719	 * This is needed because some NE clones apparently don't reset the
720	 * NIC properly (or the NIC chip doesn't reset fully on power-up) XXX
721	 * - this makes the probe invasive! ...Done against my better
722	 * judgement. -DLG
723	 */
724	ed_nic_outb(sc, ED_P0_CR, ED_CR_RD2 | ED_CR_STP);
725	DELAY(5000);
726
727	/* Make sure that we really have an 8390 based board */
728	if (!ed98_probe_generic8390(sc))
729		return (ENXIO);
730
731	/* Test memory via PIO */
732#ifdef ED_DEBUG
733	device_printf(dev, "ed98_probe_Novell: test memory\n");
734#endif
735	sc->cr_proto = ED_CR_RD2;
736	if (!ed_pio_testmem(sc,  8192, 0, flags) &&
737	    !ed_pio_testmem(sc, 16384, 1, flags))
738		return (ENXIO);
739
740	/* Setup the board type */
741#ifdef ED_DEBUG
742	device_printf(dev, "ed98_probe_Novell: board type\n");
743#endif
744	switch (sc->type) {
745	case ED_TYPE98_BDN:
746		sc->type_str = "LD-BDN";
747		break;
748	case ED_TYPE98_EGY:
749		sc->type_str = "EGY-98";
750		break;
751	case ED_TYPE98_LGY:
752		sc->type_str = "LGY-98";
753		break;
754	case ED_TYPE98_ICM:
755		sc->type_str = "ICM";
756		break;
757	case ED_TYPE98_108:
758		sc->type_str = "PC-9801-108";
759		break;
760	case ED_TYPE98_LA98:
761		sc->type_str = "LA-98";
762		break;
763	case ED_TYPE98_NW98X:
764		sc->type_str = "NW98X";
765		break;
766	case ED_TYPE98_NC5098:
767		sc->type_str = "NC5098";
768		break;
769	default:
770		sc->type_str = NULL;
771		break;
772	}
773
774	/* Get station address */
775	switch (sc->type) {
776	case ED_TYPE98_NC5098:
777		for (n = 0; n < ETHER_ADDR_LEN; n++)
778			sc->enaddr[n] = ed_asic_inb(sc, ED_NC5098_ENADDR + n);
779		break;
780
781	default:
782		ed_pio_readmem(sc, 0, romdata, sizeof(romdata));
783		for (n = 0; n < ETHER_ADDR_LEN; n++)
784			sc->enaddr[n] = romdata[n * (sc->isa16bit + 1)];
785		break;
786	}
787
788	/* clear any pending interrupts that might have occurred above */
789	ed_nic_outb(sc, ED_P0_ISR, 0xff);
790
791	return (0);
792}
793
794/*
795 * Probe and vendor-specific initialization routine for SIC-98 boards
796 */
797static int
798ed_probe_SIC98(device_t dev, int port_rid, int flags)
799{
800	struct ed_softc *sc = device_get_softc(dev);
801	int error;
802	int i;
803	u_char sum;
804
805	/*
806	 * Setup card RAM and I/O address
807	 * Kernel Virtual to segment C0000-DFFFF????
808	 */
809	error = ed98_alloc_port(dev, port_rid);
810	if (error)
811		return (error);
812
813	sc->asic_offset = ED_SIC_ASIC_OFFSET;
814	sc->nic_offset  = ED_SIC_NIC_OFFSET;
815
816	error = ed98_alloc_memory(dev, 0);
817	if (error)
818		return (error);
819
820	/* Reset card to force it into a known state. */
821	ed_asic_outb(sc, 0, 0x00);
822	DELAY(100);
823	if (ED_TYPE98SUB(flags) == 0) {
824		/* SIC-98/SIU-98 */
825		ed_asic_outb(sc, 0, 0x94);
826		DELAY(100);
827		ed_asic_outb(sc, 0, 0x94);
828	} else {
829		/* SIU-98-D */
830		ed_asic_outb(sc, 0, 0x80);
831		DELAY(100);
832		ed_asic_outb(sc, 0, 0x94);
833		DELAY(100);
834		ed_asic_outb(sc, 0, 0x9e);
835	}
836	DELAY(100);
837
838	/*
839	 * Here we check the card ROM, if the checksum passes, and the
840	 * type code and ethernet address check out, then we know we have
841	 * an SIC card.
842	 */
843	sum = bus_space_read_1(sc->mem_bst, sc->mem_bsh, 6 * 2);
844	for (i = 0; i < ETHER_ADDR_LEN; i++)
845		sum ^= (sc->enaddr[i] =
846		    bus_space_read_1(sc->mem_bst, sc->mem_bsh, i * 2));
847#ifdef ED_DEBUG
848	device_printf(dev, "ed_probe_sic98: got address %6D\n",
849		      sc->enaddr, ":");
850#endif
851	if (sum != 0)
852		return (ENXIO);
853	if ((sc->enaddr[0] | sc->enaddr[1] | sc->enaddr[2]) == 0)
854		return (ENXIO);
855
856	sc->vendor   = ED_VENDOR_SIC;
857	sc->type_str = "SIC98";
858	sc->isa16bit = 1;
859	sc->cr_proto = 0;
860
861	/*
862	 * SIC RAM page 0x0000-0x3fff(or 0x7fff)
863	 */
864	if (ED_TYPE98SUB(flags) == 0)
865		ed_asic_outb(sc, 0, 0x90);
866	else
867		ed_asic_outb(sc, 0, 0x8e);
868	DELAY(100);
869
870	error = ed_clear_memory(dev);
871	if (error)
872		return (error);
873
874	sc->mem_shared = 1;
875	sc->mem_end = sc->mem_start + sc->mem_size;
876
877	/*
878	 * allocate one xmit buffer if < 16k, two buffers otherwise
879	 */
880	if ((sc->mem_size < 16384) || (flags & ED_FLAGS_NO_MULTI_BUFFERING))
881		sc->txb_cnt = 1;
882	else
883		sc->txb_cnt = 2;
884	sc->tx_page_start = 0;
885
886	sc->rec_page_start = sc->tx_page_start + ED_TXBUF_SIZE * sc->txb_cnt;
887	sc->rec_page_stop = sc->tx_page_start + sc->mem_size / ED_PAGE_SIZE;
888
889	sc->mem_ring = sc->mem_start + sc->txb_cnt * ED_PAGE_SIZE * ED_TXBUF_SIZE;
890
891	return (0);
892}
893
894/*
895 * Contec C-NET(98) series support routines
896 */
897static void
898ed_reset_CNET98(struct ed_softc *sc, int flags)
899{
900	u_int init_addr = ED_CNET98_INIT;
901	u_char tmp;
902
903	/* Choose initial register address */
904	if (ED_TYPE98SUB(flags) != 0) {
905		init_addr = ED_CNET98_INIT2;
906	}
907#ifdef ED_DEBUG
908	printf("ed?: initial register=%x\n", init_addr);
909#endif
910	/*
911	 * Reset the board to force it into a known state.
912	 */
913	outb(init_addr, 0x00);	/* request */
914	DELAY(5000);
915	outb(init_addr, 0x01);	/* cancel */
916	DELAY(5000);
917
918	/*
919	 * Set I/O address(A15-12) and cpu type
920	 *
921	 *   AAAAIXXC(8bit)
922	 *   AAAA: A15-A12,  I: I/O enable, XX: reserved, C: CPU type
923	 *
924	 * CPU type is 1:80286 or higher, 0:not.
925	 * But FreeBSD runs under i386 or higher, thus it must be 1.
926	 */
927	tmp = (rman_get_start(sc->port_res) & 0xf000) >> 8;
928	tmp |= (0x08 | 0x01);
929#ifdef ED_DEBUG
930	printf("ed?: outb(%x, %x)\n", init_addr + 2, tmp);
931#endif
932	outb(init_addr + 2, tmp);
933	DELAY(5000);
934
935	/*
936	 * This is needed because some NE clones apparently don't reset the
937	 * NIC properly (or the NIC chip doesn't reset fully on power-up) XXX
938	 * - this makes the probe invasive! ...Done against my better
939	 * judgement. -DLG
940	 */
941	ed_nic_outb(sc, ED_P0_CR, ED_CR_RD2 | ED_CR_STP);
942	DELAY(5000);
943}
944
945static void
946ed_winsel_CNET98(struct ed_softc *sc, u_short bank)
947{
948	u_char mem = (rman_get_start(sc->mem_res) >> 12) & 0xff;
949
950	/*
951	 * Disable window memory
952	 *    bit7 is 0:disable
953	 */
954	ed_asic_outb(sc, ED_CNET98_WIN_REG, mem & 0x7f);
955	DELAY(10);
956
957	/*
958	 * Select window address
959	 *    FreeBSD address 0xf00xxxxx
960	 */
961	ed_asic_outb(sc, ED_CNET98_MAP_REG0L, bank & 0xff);
962	DELAY(10);
963	ed_asic_outb(sc, ED_CNET98_MAP_REG0H, (bank >> 8) & 0xff);
964	DELAY(10);
965	ed_asic_outb(sc, ED_CNET98_MAP_REG1L, 0x00);
966	DELAY(10);
967	ed_asic_outb(sc, ED_CNET98_MAP_REG1H, 0x41);
968	DELAY(10);
969	ed_asic_outb(sc, ED_CNET98_MAP_REG2L, 0x00);
970	DELAY(10);
971	ed_asic_outb(sc, ED_CNET98_MAP_REG2H, 0x42);
972	DELAY(10);
973	ed_asic_outb(sc, ED_CNET98_MAP_REG3L, 0x00);
974	DELAY(10);
975	ed_asic_outb(sc, ED_CNET98_MAP_REG3H, 0x43);
976	DELAY(10);
977
978	/*
979	 * Enable window memory(16Kbyte)
980	 *    bit7 is 1:enable
981	 */
982#ifdef ED_DEBUG
983	printf("ed?: window start address=%x\n", mem);
984#endif
985	ed_asic_outb(sc, ED_CNET98_WIN_REG, mem);
986	DELAY(10);
987}
988
989/*
990 * Probe and vendor-specific initialization routine for C-NET(98) boards
991 */
992static int
993ed_probe_CNET98(device_t dev, int port_rid, int flags)
994{
995	struct ed_softc *sc = device_get_softc(dev);
996	int error;
997	u_char tmp;
998	u_long conf_irq, junk;
999#ifdef DIAGNOSTIC
1000	u_char tmp_s;
1001#endif
1002
1003	error = ed98_alloc_port(dev, port_rid);
1004	if (error)
1005		return (error);
1006
1007	sc->asic_offset = ED_NOVELL_ASIC_OFFSET;
1008	sc->nic_offset  = ED_NOVELL_NIC_OFFSET;
1009
1010	error = ed98_alloc_memory(dev, 0);
1011	if (error)
1012		return (error);
1013
1014	/* Check I/O address. 0x[a-f]3d0 are allowed. */
1015	if (((rman_get_start(sc->port_res) & 0x0fff) != 0x03d0)
1016	||  ((rman_get_start(sc->port_res) & 0xf000) < (u_short) 0xa000)) {
1017#ifdef DIAGNOSTIC
1018		device_printf(dev, "Invalid i/o port configuration (0x%lx) "
1019			"must be %s for %s\n", rman_get_start(sc->port_res),
1020			"0x[a-f]3d0", "CNET98");
1021#endif
1022		return (ENXIO);
1023	}
1024
1025#ifdef DIAGNOSTIC
1026	/* Check window area address */
1027	tmp_s = rman_get_start(sc->mem_res) >> 12;
1028	if (tmp_s < 0x80) {
1029		device_printf(dev, "Please change window address(0x%lx)\n",
1030		    rman_get_start(sc->mem_res));
1031		return (ENXIO);
1032	}
1033
1034	tmp_s &= 0x0f;
1035	tmp    = rman_get_start(sc->port_res) >> 12;
1036	if ((tmp_s <= tmp) && (tmp < (tmp_s + 4))) {
1037		device_printf(dev, "Please change iobase address(0x%lx) "
1038		    "or window address(0x%lx)\n",
1039		    rman_get_start(sc->port_res),
1040		    rman_get_start(sc->mem_res));
1041		return (ENXIO);
1042	}
1043#endif
1044	/* Reset the board */
1045	ed_reset_CNET98(sc, flags);
1046
1047	/*
1048	 * This is needed because some NE clones apparently don't reset the
1049	 * NIC properly (or the NIC chip doesn't reset fully on power-up) XXX
1050	 * - this makes the probe invasive! ...Done against my better
1051	 * judgement. -DLG
1052	 */
1053	ed_nic_outb(sc, ED_P0_CR, ED_CR_RD2 | ED_CR_STP);
1054	DELAY(5000);
1055
1056	/* Make sure that we really have an 8390 based board */
1057	if (!ed98_probe_generic8390(sc))
1058		return (ENXIO);
1059
1060	/*
1061	 *  Set window ethernet address area
1062	 *    board memory base 0x480000  data 256byte
1063	 */
1064	ed_winsel_CNET98(sc, 0x4800);
1065
1066	/*
1067	 * Get station address from on-board ROM
1068	 */
1069	bus_space_read_region_1(sc->mem_bst, sc->mem_bsh, sc->mem_start,
1070	    sc->enaddr, ETHER_ADDR_LEN);
1071
1072	sc->vendor    = ED_VENDOR_MISC;
1073	sc->type_str  = "CNET98";
1074	sc->isa16bit  = 0;
1075	sc->cr_proto  = ED_CR_RD2;
1076
1077	/*
1078	 * Set window buffer memory area
1079	 *    board memory base 0x400000  data 16kbyte
1080	 */
1081	ed_winsel_CNET98(sc, 0x4000);
1082
1083	error = ed_clear_memory(dev);
1084	if (error)
1085		return (error);
1086
1087	sc->mem_shared = 1;
1088	sc->mem_end = sc->mem_start + sc->mem_size;
1089
1090	sc->txb_cnt = 1;	/* XXX */
1091	sc->tx_page_start = 0;
1092
1093	sc->rec_page_start = sc->tx_page_start + ED_TXBUF_SIZE;
1094	sc->rec_page_stop = sc->tx_page_start + sc->mem_size / ED_PAGE_SIZE;
1095
1096	sc->mem_ring = sc->mem_start + ED_PAGE_SIZE * ED_TXBUF_SIZE;
1097
1098	/*
1099	 *   Set interrupt level
1100	 */
1101	error = bus_get_resource(dev, SYS_RES_IRQ, 0, &conf_irq, &junk);
1102	if (error)
1103		return (error);
1104
1105	switch (conf_irq) {
1106	case 3:
1107		tmp = ED_CNET98_INT_IRQ3;
1108		break;
1109	case 5:
1110		tmp = ED_CNET98_INT_IRQ5;
1111		break;
1112	case 6:
1113		tmp = ED_CNET98_INT_IRQ6;
1114		break;
1115	case 9:
1116		tmp = ED_CNET98_INT_IRQ9;
1117		break;
1118	case 12:
1119		tmp = ED_CNET98_INT_IRQ12;
1120		break;
1121	case 13:
1122		tmp = ED_CNET98_INT_IRQ13;
1123		break;
1124	default:
1125		device_printf(dev, "Invalid irq configuration (%ld) must be "
1126			"%s for %s\n", conf_irq, "3,5,6,9,12,13", "CNET98");
1127		return (ENXIO);
1128	}
1129	ed_asic_outb(sc, ED_CNET98_INT_LEV, tmp);
1130	DELAY(1000);
1131	/*
1132	 *   Set interrupt mask.
1133	 *     bit7:1 all interrupt mask
1134	 *     bit1:1 timer interrupt mask
1135	 *     bit0:0 NS controler interrupt enable
1136	 */
1137	ed_asic_outb(sc, ED_CNET98_INT_MASK, 0x7e);
1138	DELAY(1000);
1139
1140	return (0);
1141}
1142
1143/*
1144 * Probe and vendor-specific initialization routine for C-NET(98)E/L boards
1145 */
1146static int
1147ed_probe_CNET98EL(device_t dev, int port_rid, int flags)
1148{
1149	struct ed_softc *sc = device_get_softc(dev);
1150	int error;
1151	int i;
1152	u_char romdata[ETHER_ADDR_LEN * 2], tmp;
1153	u_long conf_irq, junk;
1154
1155	error = ed98_alloc_port(dev, port_rid);
1156	if (error)
1157		return (error);
1158
1159	sc->asic_offset = ED_NOVELL_ASIC_OFFSET;
1160	sc->nic_offset  = ED_NOVELL_NIC_OFFSET;
1161
1162	/* Check I/O address. 0x[0-f]3d0 are allowed. */
1163	if ((rman_get_start(sc->port_res) & 0x0fff) != 0x03d0) {
1164#ifdef DIAGNOSTIC
1165		device_printf(dev, "Invalid i/o port configuration (0x%lx) "
1166			"must be %s for %s\n", rman_get_start(sc->port_res),
1167			"0x?3d0", "CNET98E/L");
1168#endif
1169		return (ENXIO);
1170	}
1171
1172	/* Reset the board */
1173	ed_reset_CNET98(sc, flags);
1174
1175	/*
1176	 * This is needed because some NE clones apparently don't reset the
1177	 * NIC properly (or the NIC chip doesn't reset fully on power-up) XXX
1178	 * - this makes the probe invasive! ...Done against my better
1179	 * judgement. -DLG
1180	 */
1181	ed_nic_outb(sc, ED_P0_CR, ED_CR_RD2 | ED_CR_STP);
1182	DELAY(5000);
1183
1184	/* Make sure that we really have an 8390 based board */
1185	if (!ed98_probe_generic8390(sc))
1186		return (ENXIO);
1187
1188	/* Test memory via PIO */
1189	sc->cr_proto = ED_CR_RD2;
1190	if (!ed_pio_testmem(sc, ED_CNET98EL_PAGE_OFFSET, 1, flags))
1191		return (ENXIO);
1192
1193	/* This looks like a C-NET(98)E/L board. */
1194	sc->type_str = "CNET98E/L";
1195
1196	/*
1197	 * Set IRQ. C-NET(98)E/L only allows a choice of irq 3,5,6.
1198	 */
1199	error = bus_get_resource(dev, SYS_RES_IRQ, 0, &conf_irq, &junk);
1200	if (error)
1201		return (error);
1202
1203	switch (conf_irq) {
1204	case 3:
1205		tmp = ED_CNET98EL_ICR_IRQ3;
1206		break;
1207	case 5:
1208		tmp = ED_CNET98EL_ICR_IRQ5;
1209		break;
1210	case 6:
1211		tmp = ED_CNET98EL_ICR_IRQ6;
1212		break;
1213#if 0
1214	case 12:
1215		tmp = ED_CNET98EL_ICR_IRQ12;
1216		break;
1217#endif
1218	default:
1219		device_printf(dev, "Invalid irq configuration (%ld) must be "
1220			"%s for %s\n", conf_irq, "3,5,6", "CNET98E/L");
1221		return (ENXIO);
1222	}
1223	ed_asic_outb(sc, ED_CNET98EL_ICR, tmp);
1224	ed_asic_outb(sc, ED_CNET98EL_IMR, 0x7e);
1225
1226	/* Get station address from on-board ROM */
1227	ed_pio_readmem(sc, 16384, romdata, sizeof(romdata));
1228	for (i = 0; i < ETHER_ADDR_LEN; i++)
1229		sc->enaddr[i] = romdata[i * 2];
1230
1231	/* clear any pending interrupts that might have occurred above */
1232	ed_nic_outb(sc, ED_P0_ISR, 0xff);
1233
1234	return (0);
1235}
1236
1237/*
1238 * Probe and vendor-specific initialization routine for PC-9801-77 boards
1239 */
1240static int
1241ed_probe_NEC77(device_t dev, int port_rid, int flags)
1242{
1243	struct ed_softc *sc = device_get_softc(dev);
1244	int error;
1245	u_char tmp;
1246	u_long conf_irq, junk;
1247
1248	error = ed98_probe_Novell(dev, port_rid, flags);
1249	if (error)
1250		return (error);
1251
1252	/* LA/T-98 does not need IRQ setting. */
1253	if (ED_TYPE98SUB(flags) == 0)
1254		return (0);
1255
1256	/*
1257	 * Set IRQ. PC-9801-77 only allows a choice of irq 3,5,6,12,13.
1258	 */
1259	error = bus_get_resource(dev, SYS_RES_IRQ, 0, &conf_irq, &junk);
1260	if (error)
1261		return (error);
1262
1263	switch (conf_irq) {
1264	case 3:
1265		tmp = ED_NEC77_IRQ3;
1266		break;
1267	case 5:
1268		tmp = ED_NEC77_IRQ5;
1269		break;
1270	case 6:
1271		tmp = ED_NEC77_IRQ6;
1272		break;
1273	case 12:
1274		tmp = ED_NEC77_IRQ12;
1275		break;
1276	case 13:
1277		tmp = ED_NEC77_IRQ13;
1278		break;
1279	default:
1280		device_printf(dev, "Invalid irq configuration (%ld) must be "
1281			"%s for %s\n", conf_irq, "3,5,6,12,13", "PC-9801-77");
1282		return (ENXIO);
1283	}
1284	ed_asic_outb(sc, ED_NEC77_IRQ, tmp);
1285
1286	return (0);
1287}
1288
1289/*
1290 * Probe and vendor-specific initialization routine for EC/EP-98X boards
1291 */
1292static int
1293ed_probe_NW98X(device_t dev, int port_rid, int flags)
1294{
1295	struct ed_softc *sc = device_get_softc(dev);
1296	int error;
1297	u_char tmp;
1298	u_long conf_irq, junk;
1299
1300	error = ed98_probe_Novell(dev, port_rid, flags);
1301	if (error)
1302		return (error);
1303
1304	/* Networld 98X3 does not need IRQ setting. */
1305	if (ED_TYPE98SUB(flags) == 0)
1306		return (0);
1307
1308	/*
1309	 * Set IRQ. EC/EP-98X only allows a choice of irq 3,5,6,12,13.
1310	 */
1311	error = bus_get_resource(dev, SYS_RES_IRQ, 0, &conf_irq, &junk);
1312	if (error)
1313		return (error);
1314
1315	switch (conf_irq) {
1316	case 3:
1317		tmp = ED_NW98X_IRQ3;
1318		break;
1319	case 5:
1320		tmp = ED_NW98X_IRQ5;
1321		break;
1322	case 6:
1323		tmp = ED_NW98X_IRQ6;
1324		break;
1325	case 12:
1326		tmp = ED_NW98X_IRQ12;
1327		break;
1328	case 13:
1329		tmp = ED_NW98X_IRQ13;
1330		break;
1331	default:
1332		device_printf(dev, "Invalid irq configuration (%ld) must be "
1333			"%s for %s\n", conf_irq, "3,5,6,12,13", "EC/EP-98X");
1334		return (ENXIO);
1335	}
1336	ed_asic_outb(sc, ED_NW98X_IRQ, tmp);
1337
1338	return (0);
1339}
1340
1341/*
1342 * Read SB-9801 station address from Serial Two-Wire EEPROM
1343 */
1344static void
1345ed_get_SB98(struct ed_softc *sc)
1346{
1347	int i, j;
1348	u_char mask, val;
1349
1350        /* enable EEPROM acceess */
1351        ed_asic_outb(sc, ED_SB98_EEPENA, ED_SB98_EEPENA_ENABLE);
1352
1353	/* output start command */
1354	ed_asic_outb(sc, ED_SB98_EEP, ED_SB98_EEP_SDA | ED_SB98_EEP_SCL);
1355	DELAY(ED_SB98_EEP_DELAY);
1356	ed_asic_outb(sc, ED_SB98_EEP, ED_SB98_EEP_SCL);
1357	DELAY(ED_SB98_EEP_DELAY);
1358
1359       	/* output address (7bit) */
1360	for (mask = 0x40; mask != 0; mask >>= 1) {
1361		val = 0;
1362		if (ED_SB98_ADDRESS & mask)
1363			val = ED_SB98_EEP_SDA;
1364		ed_asic_outb(sc, ED_SB98_EEP, val);
1365		DELAY(ED_SB98_EEP_DELAY);
1366		ed_asic_outb(sc, ED_SB98_EEP, val | ED_SB98_EEP_SCL);
1367		DELAY(ED_SB98_EEP_DELAY);
1368	}
1369
1370	/* output READ command */
1371	ed_asic_outb(sc, ED_SB98_EEP, ED_SB98_EEP_READ);
1372	DELAY(ED_SB98_EEP_DELAY);
1373	ed_asic_outb(sc, ED_SB98_EEP, ED_SB98_EEP_READ | ED_SB98_EEP_SCL);
1374	DELAY(ED_SB98_EEP_DELAY);
1375
1376	/* read station address */
1377	for (i = 0; i < ETHER_ADDR_LEN; i++) {
1378		/* output ACK */
1379		ed_asic_outb(sc, ED_SB98_EEP, 0);
1380		DELAY(ED_SB98_EEP_DELAY);
1381		ed_asic_outb(sc, ED_SB98_EEP, ED_SB98_EEP_SCL);
1382		DELAY(ED_SB98_EEP_DELAY);
1383
1384		val = 0;
1385		for (j = 0; j < 8; j++) {
1386			ed_asic_outb(sc, ED_SB98_EEP, ED_SB98_EEP_SDA);
1387			DELAY(ED_SB98_EEP_DELAY);
1388			ed_asic_outb(sc, ED_SB98_EEP, ED_SB98_EEP_SDA | ED_SB98_EEP_SCL);
1389			DELAY(ED_SB98_EEP_DELAY);
1390			val <<= 1;
1391			val |= (ed_asic_inb(sc, ED_SB98_EEP) & ED_SB98_EEP_SDA);
1392			DELAY(ED_SB98_EEP_DELAY);
1393	  	}
1394		sc->enaddr[i] = val;
1395	}
1396
1397	/* output Last ACK */
1398        ed_asic_outb(sc, ED_SB98_EEP, ED_SB98_EEP_SDA);
1399        DELAY(ED_SB98_EEP_DELAY);
1400        ed_asic_outb(sc, ED_SB98_EEP, ED_SB98_EEP_SDA | ED_SB98_EEP_SCL);
1401        DELAY(ED_SB98_EEP_DELAY);
1402
1403	/* output stop command */
1404	ed_asic_outb(sc, ED_SB98_EEP, ED_SB98_EEP_SCL);
1405	DELAY(ED_SB98_EEP_DELAY);
1406	ed_asic_outb(sc, ED_SB98_EEP, ED_SB98_EEP_SDA | ED_SB98_EEP_SCL);
1407	DELAY(ED_SB98_EEP_DELAY);
1408
1409	/* disable EEPROM access */
1410	ed_asic_outb(sc, ED_SB98_EEPENA, ED_SB98_EEPENA_DISABLE);
1411}
1412
1413/*
1414 * Probe and vendor-specific initialization routine for SB-9801 boards
1415 */
1416static int
1417ed_probe_SB98(device_t dev, int port_rid, int flags)
1418{
1419	struct ed_softc *sc = device_get_softc(dev);
1420	int error;
1421	u_char tmp;
1422	u_long conf_irq, junk;
1423
1424	error = ed98_alloc_port(dev, port_rid);
1425	if (error)
1426		return (error);
1427
1428	sc->asic_offset = ED_NOVELL_ASIC_OFFSET;
1429	sc->nic_offset  = ED_NOVELL_NIC_OFFSET;
1430
1431	/* Check I/O address. 00d[02468ace] are allowed. */
1432	if ((rman_get_start(sc->port_res) & ~0x000e) != 0x00d0) {
1433#ifdef DIAGNOSTIC
1434		device_printf(dev, "Invalid i/o port configuration (0x%lx) "
1435		    "must be %s for %s\n", rman_get_start(sc->port_res),
1436		    "0xd?", "SB9801");
1437#endif
1438		return (ENXIO);
1439	}
1440
1441	/* Write I/O port address and read 4 times */
1442	outb(ED_SB98_IO_INHIBIT, rman_get_start(sc->port_res) & 0xff);
1443	(void) inb(ED_SB98_IO_INHIBIT); DELAY(300);
1444	(void) inb(ED_SB98_IO_INHIBIT); DELAY(300);
1445	(void) inb(ED_SB98_IO_INHIBIT); DELAY(300);
1446	(void) inb(ED_SB98_IO_INHIBIT); DELAY(300);
1447
1448	/*
1449	 * Check IRQ. Soliton SB-9801 only allows a choice of
1450	 * irq 3,5,6,12
1451	 */
1452	error = bus_get_resource(dev, SYS_RES_IRQ, 0, &conf_irq, &junk);
1453	if (error)
1454		return (error);
1455
1456	switch (conf_irq) {
1457	case 3:
1458		tmp = ED_SB98_CFG_IRQ3;
1459		break;
1460	case 5:
1461		tmp = ED_SB98_CFG_IRQ5;
1462		break;
1463	case 6:
1464		tmp = ED_SB98_CFG_IRQ6;
1465		break;
1466	case 12:
1467		tmp = ED_SB98_CFG_IRQ12;
1468		break;
1469	default:
1470		device_printf(dev, "Invalid irq configuration (%ld) must be "
1471			"%s for %s\n", conf_irq, "3,5,6,12", "SB9801");
1472		return (ENXIO);
1473	}
1474
1475	if (flags & ED_FLAGS_DISABLE_TRANCEIVER)
1476		tmp |= ED_SB98_CFG_ALTPORT;
1477	ed_asic_outb(sc, ED_SB98_CFG, ED_SB98_CFG_ENABLE | tmp);
1478	ed_asic_outb(sc, ED_SB98_POLARITY, 0x01);
1479
1480	/* Reset the board. */
1481	ed_asic_outb(sc, ED_NOVELL_RESET, 0x7a);
1482	DELAY(300);
1483	ed_asic_outb(sc, ED_NOVELL_RESET, 0x79);
1484	DELAY(300);
1485
1486	/*
1487	 * This is needed because some NE clones apparently don't reset the
1488	 * NIC properly (or the NIC chip doesn't reset fully on power-up) XXX
1489	 * - this makes the probe invasive! ...Done against my better
1490	 * judgement. -DLG
1491	 */
1492	ed_nic_outb(sc, ED_P0_CR, ED_CR_RD2 | ED_CR_STP);
1493	DELAY(5000);
1494
1495	/* Make sure that we really have an 8390 based board */
1496	if (!ed98_probe_generic8390(sc))
1497		return (ENXIO);
1498
1499	/* Test memory via PIO */
1500	sc->cr_proto = ED_CR_RD2;
1501	if (!ed_pio_testmem(sc, 16384, 1, flags)) {
1502		return (ENXIO);
1503	}
1504
1505	/* This looks like an SB9801 board. */
1506	sc->type_str = "SB9801";
1507
1508	/* Get station address */
1509	ed_get_SB98(sc);
1510
1511	/* clear any pending interrupts that might have occurred above */
1512	ed_nic_outb(sc, ED_P0_ISR, 0xff);
1513
1514	return (0);
1515}
1516
1517/*
1518 * Test the ability to read and write to the NIC memory.
1519 */
1520static int
1521ed_pio_testmem(struct ed_softc *sc, int page_offset, int isa16bit, int flags)
1522{
1523	u_long memsize;
1524	static char test_pattern[32] = "THIS is A memory TEST pattern";
1525	char test_buffer[32];
1526#ifdef DIAGNOSTIC
1527	int page_end;
1528#endif
1529
1530	sc->vendor = ED_VENDOR_NOVELL;
1531	sc->mem_shared = 0;
1532	sc->isa16bit = isa16bit;
1533
1534	/* 8k of memory plus an additional 8k if 16bit */
1535	memsize = (isa16bit ? 16384 : 8192);
1536
1537	/*
1538	 * This prevents packets from being stored in the NIC memory when the
1539	 * readmem routine turns on the start bit in the CR.
1540	 */
1541	ed_nic_outb(sc, ED_P0_RCR, ED_RCR_MON);
1542
1543	/* Initialize DCR for byte/word operations */
1544	if (isa16bit)
1545		ed_nic_outb(sc, ED_P0_DCR, ED_DCR_WTS | ED_DCR_FT1 | ED_DCR_LS);
1546	else
1547		ed_nic_outb(sc, ED_P0_DCR, ED_DCR_FT1 | ED_DCR_LS);
1548	ed_nic_outb(sc, ED_P0_PSTART, page_offset / ED_PAGE_SIZE);
1549	ed_nic_outb(sc, ED_P0_PSTOP, (page_offset + memsize) / ED_PAGE_SIZE);
1550#ifdef ED_DEBUG
1551	printf("ed?: ed_pio_testmem: page start=%x, end=%lx",
1552	    page_offset, page_offset + memsize);
1553#endif
1554
1555	/*
1556	 * Write a test pattern. If this fails, then we don't know
1557	 * what this board is.
1558	 */
1559	ed_pio_writemem(sc, test_pattern, page_offset, sizeof(test_pattern));
1560	ed_pio_readmem(sc, page_offset, test_buffer, sizeof(test_pattern));
1561
1562	if (bcmp(test_pattern, test_buffer, sizeof(test_pattern))) {
1563#ifdef ED_DEBUG
1564		printf("ed?: ed_pio_testmem: bcmp(page %x) NG", page_offset);
1565#endif
1566		return (0);
1567	}
1568
1569#ifdef DIAGNOSTIC
1570	/* Check the bottom. */
1571	page_end = page_offset + memsize - ED_PAGE_SIZE;
1572	ed_pio_writemem(sc, test_pattern, page_end, sizeof(test_pattern));
1573	ed_pio_readmem(sc, page_end, test_buffer, sizeof(test_pattern));
1574
1575	if (bcmp(test_pattern, test_buffer, sizeof(test_pattern))) {
1576#ifdef ED_DEBUG
1577		printf("ed?: ed_pio_testmem: bcmp(page %x) NG", page_end);
1578#endif
1579		return (0);
1580	}
1581#endif
1582	sc->mem_size = memsize;
1583	sc->mem_start = page_offset;
1584	sc->mem_end   = sc->mem_start + memsize;
1585	sc->tx_page_start = page_offset / ED_PAGE_SIZE;
1586
1587	/*
1588	 * Use one xmit buffer if < 16k, two buffers otherwise (if not told
1589	 * otherwise).
1590	 */
1591	if ((memsize < 16384) || (flags & ED_FLAGS_NO_MULTI_BUFFERING))
1592		sc->txb_cnt = 1;
1593	else
1594		sc->txb_cnt = 2;
1595
1596	sc->rec_page_start = sc->tx_page_start + sc->txb_cnt * ED_TXBUF_SIZE;
1597	sc->rec_page_stop  = sc->tx_page_start + memsize / ED_PAGE_SIZE;
1598
1599	sc->mem_ring = sc->mem_start + sc->txb_cnt * ED_PAGE_SIZE * ED_TXBUF_SIZE;
1600
1601	return (1);
1602}
1603
1604static device_method_t ed_cbus_methods[] = {
1605	/* Device interface */
1606	DEVMETHOD(device_probe,		ed_cbus_probe),
1607	DEVMETHOD(device_attach,	ed_cbus_attach),
1608	DEVMETHOD(device_detach,	ed_detach),
1609
1610	{ 0, 0 }
1611};
1612
1613static driver_t ed_cbus_driver = {
1614	"ed",
1615	ed_cbus_methods,
1616	sizeof(struct ed_softc)
1617};
1618
1619DRIVER_MODULE(ed, isa, ed_cbus_driver, ed_devclass, 0, 0);
1620MODULE_DEPEND(ed, isa, 1, 1, 1);
1621MODULE_DEPEND(ed, ether, 1, 1, 1);
1622