if_ep_eisa.c revision 18887
1/*
2 * Product specific probe and attach routines for:
3 * 	3COM 3C579 and 3C509(in eisa config mode) ethernet controllers
4 *
5 * Copyright (c) 1996 Justin T. Gibbs
6 * All rights reserved.
7 *
8 * Redistribution and use in source and binary forms, with or without
9 * modification, are permitted provided that the following conditions
10 * are met:
11 * 1. Redistributions of source code must retain the above copyright
12 *    notice immediately at the beginning of the file, without modification,
13 *    this list of conditions, and the following disclaimer.
14 * 2. Redistributions in binary form must reproduce the above copyright
15 *    notice, this list of conditions and the following disclaimer in the
16 *    documentation and/or other materials provided with the distribution.
17 * 3. Absolutely no warranty of function or purpose is made by the author
18 *    Justin T. Gibbs.
19 * 4. Modifications may be freely made to this file if the above conditions
20 *    are met.
21 *
22 *	$Id: 3c5x9.c,v 1.5 1996/09/06 23:06:53 phk Exp $
23 */
24
25#include "eisa.h"
26#if NEISA > 0
27
28#include <sys/param.h>
29#include <sys/systm.h>
30#include <sys/kernel.h>
31
32#include <machine/clock.h>
33
34#include <net/if.h>
35
36#include <netinet/in.h>
37#include <netinet/if_ether.h>
38
39#include <i386/isa/if_epreg.h>
40#include <i386/eisa/eisaconf.h>
41
42#define EISA_DEVICE_ID_3COM_3C509_TP	0x506d5090
43#define EISA_DEVICE_ID_3COM_3C509_BNC	0x506d5091
44#define EISA_DEVICE_ID_3COM_3C579_TP	0x506d5092
45#define EISA_DEVICE_ID_3COM_3C579_BNC	0x506d5093
46#define EISA_DEVICE_ID_3COM_3C509_COMBO	0x506d5094
47#define EISA_DEVICE_ID_3COM_3C509_TPO	0x506d5095
48
49#define	EP_EISA_SLOT_OFFSET		0x0c80
50#define	EP_EISA_IOSIZE			0x000a
51
52#define EISA_IOCONF			0x0008
53#define		IRQ_CHANNEL		0xf000
54#define			INT_3		0x3000
55#define			INT_5		0x5000
56#define			INT_7		0x7000
57#define			INT_9		0x9000
58#define			INT_10		0xa000
59#define			INT_11		0xb000
60#define			INT_12		0xc000
61#define			INT_15		0xf000
62#define EISA_BPROM_MEDIA_CONF		0x0006
63#define		TRANS_TYPE		0xc000
64#define			TRANS_TP	0x0000
65#define			TRANS_AUI	0x4000
66#define			TRANS_BNC	0xc000
67
68static int	ep_eisa_probe __P((void));
69static int	ep_eisa_attach __P((struct eisa_device *e_dev));
70
71static struct eisa_driver ep_eisa_driver = {
72					"ep",
73					ep_eisa_probe,
74					ep_eisa_attach,
75					/*shutdown*/NULL,
76					&ep_unit
77				      };
78
79DATA_SET (eisadriver_set, ep_eisa_driver);
80
81static char   *ep_match __P((eisa_id_t type));
82
83static  char*
84ep_match(type)
85	eisa_id_t type;
86{
87	switch(type) {
88		case EISA_DEVICE_ID_3COM_3C509_TP:
89			return "3Com 3C509-TP Network Adapter";
90			break;
91		case EISA_DEVICE_ID_3COM_3C509_BNC:
92			return "3Com 3C509-BNC Network Adapter";
93			break;
94		case EISA_DEVICE_ID_3COM_3C579_TP:
95			return "3Com 3C579-TP EISA Network Adapter";
96			break;
97		case EISA_DEVICE_ID_3COM_3C579_BNC:
98			return "3Com 3C579-BNC EISA Network Adapter";
99			break;
100		case EISA_DEVICE_ID_3COM_3C509_COMBO:
101			return "3Com 3C509-Combo Network Adapter";
102			break;
103		case EISA_DEVICE_ID_3COM_3C509_TPO:
104			return "3Com 3C509-TPO Network Adapter";
105			break;
106		default:
107			break;
108	}
109	return (NULL);
110}
111
112static int
113ep_eisa_probe(void)
114{
115	u_long iobase;
116	struct eisa_device *e_dev = NULL;
117	int count;
118
119	count = 0;
120	while ((e_dev = eisa_match_dev(e_dev, ep_match))) {
121		u_short conf;
122		u_long port;
123		int irq;
124
125		port = (e_dev->ioconf.slot * EISA_SLOT_SIZE);
126		iobase = port + EP_EISA_SLOT_OFFSET;
127
128		/* We must be in EISA configuration mode */
129		if ((inw(iobase + EP_W0_ADDRESS_CFG) & 0x1f) != 0x1f)
130                	continue;
131
132		eisa_add_iospace(e_dev, iobase, EP_EISA_IOSIZE, RESVADDR_NONE);
133		eisa_add_iospace(e_dev, port, EP_IOSIZE, RESVADDR_NONE);
134
135		conf = inw(iobase + EISA_IOCONF);
136		/* Determine our IRQ */
137		switch (conf & IRQ_CHANNEL) {
138			case INT_3:
139				irq = 3;
140				break;
141			case INT_5:
142				irq = 5;
143				break;
144			case INT_7:
145				irq = 7;
146				break;
147			case INT_9:
148				irq = 9;
149				break;
150			case INT_10:
151				irq = 10;
152				break;
153			case INT_11:
154				irq = 11;
155				break;
156			case INT_12:
157				irq = 12;
158				break;
159			case INT_15:
160				irq = 15;
161				break;
162			default:
163				/* Disabled */
164				printf("ep: 3COM Network Adapter at "
165				       "slot %d has its IRQ disabled. "
166				       "Probe failed.\n",
167					e_dev->ioconf.slot);
168				continue;
169		}
170		eisa_add_intr(e_dev, irq);
171		eisa_registerdev(e_dev, &ep_eisa_driver);
172		count++;
173	}
174	return count;
175}
176
177static int
178ep_eisa_attach(e_dev)
179	struct eisa_device *e_dev;
180{
181	struct ep_softc *sc;
182	struct ep_board *epb;
183	int unit = e_dev->unit;
184	int irq = ffs(e_dev->ioconf.irq) - 1;
185	resvaddr_t *ioport;
186	resvaddr_t *eisa_ioport;
187	u_char level_intr;
188	int i;
189
190	/*
191	 * The addresses are sorted in increasing order
192	 * so we know the port to pass to the core ep
193	 * driver comes first.
194	 */
195	ioport = e_dev->ioconf.ioaddrs.lh_first;
196
197	if(!ioport)
198		return -1;
199
200	eisa_ioport = ioport->links.le_next;
201
202	if(!eisa_ioport)
203		return -1;
204
205	eisa_reg_start(e_dev);
206	if(eisa_reg_iospace(e_dev, ioport))
207		return -1;
208
209	if(eisa_reg_iospace(e_dev, eisa_ioport))
210		return -1;
211
212	epb = &ep_board[ep_boards];
213
214	epb->epb_addr = ioport->addr;
215	epb->epb_used = 1;
216
217	if(!(sc = ep_alloc(unit, epb)))
218		return -1;
219
220	ep_boards++;
221
222	sc->stat = 0;
223	level_intr = FALSE;
224	switch(e_dev->id) {
225		case EISA_DEVICE_ID_3COM_3C509_TP:
226			sc->ep_connectors = UTP|AUI;
227			break;
228		case EISA_DEVICE_ID_3COM_3C509_BNC:
229			sc->ep_connectors = BNC|AUI;
230			break;
231		case EISA_DEVICE_ID_3COM_3C579_TP:
232			sc->ep_connectors = UTP|AUI;
233			sc->stat = F_ACCESS_32_BITS;
234			level_intr = TRUE;
235			break;
236		case EISA_DEVICE_ID_3COM_3C579_BNC:
237			sc->ep_connectors = BNC|AUI;
238			sc->stat = F_ACCESS_32_BITS;
239			level_intr = TRUE;
240			break;
241		case EISA_DEVICE_ID_3COM_3C509_COMBO:
242			sc->ep_connectors = UTP|BNC|AUI;
243			break;
244		case EISA_DEVICE_ID_3COM_3C509_TPO:
245			sc->ep_connectors = UTP;
246			break;
247		default:
248			break;
249        }
250	/*
251	 * Set the eisa config selected media type
252	 */
253	sc->ep_connector = inw(eisa_ioport->addr + EISA_BPROM_MEDIA_CONF)
254			   >> ACF_CONNECTOR_BITS;
255
256	if(eisa_reg_intr(e_dev, irq, ep_intr, (void *)sc, &net_imask,
257			 /*shared ==*/level_intr)) {
258		ep_free(sc);
259		return -1;
260	}
261	eisa_reg_end(e_dev);
262
263	/* Reset and Enable the card */
264	outb(eisa_ioport->addr + EP_W0_CONFIG_CTRL, W0_P4_CMD_RESET_ADAPTER);
265	DELAY(1000); /* we must wait at least 1 ms */
266	outb(eisa_ioport->addr + EP_W0_CONFIG_CTRL, W0_P4_CMD_ENABLE_ADAPTER);
267
268	/* Now the registers are availible through the lower ioport */
269
270	/*
271	 * Retrieve our ethernet address
272	 */
273	 GO_WINDOW(0);
274	for(i = 0; i < 3; i++)
275		sc->epb->eth_addr[i] = get_e(sc, i);
276
277        /* Even we get irq number from board, we should tell him..
278            Otherwise we never get a H/W interrupt anymore...*/
279        if ( irq == 9 )
280               irq = 2;
281        SET_IRQ(eisa_ioport->addr, irq);
282
283	ep_attach(sc);
284
285	if(eisa_enable_intr(e_dev, irq)) {
286		ep_free(sc);
287		eisa_release_intr(e_dev, irq, ep_intr);
288		return -1;
289	}
290
291	return 0;
292}
293
294#endif /* NEISA > 0 */
295