if_ep_eisa.c revision 18892
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 1.6 1996/10/12 17:34:25 bde 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#include <sys/socket.h>
32
33#include <machine/clock.h>
34
35#include <net/if.h>
36
37#include <netinet/in.h>
38#include <netinet/if_ether.h>
39
40#include <i386/isa/if_epreg.h>
41#include <i386/eisa/eisaconf.h>
42
43#define EISA_DEVICE_ID_3COM_3C509_TP	0x506d5090
44#define EISA_DEVICE_ID_3COM_3C509_BNC	0x506d5091
45#define EISA_DEVICE_ID_3COM_3C579_TP	0x506d5092
46#define EISA_DEVICE_ID_3COM_3C579_BNC	0x506d5093
47#define EISA_DEVICE_ID_3COM_3C509_COMBO	0x506d5094
48#define EISA_DEVICE_ID_3COM_3C509_TPO	0x506d5095
49
50#define	EP_EISA_SLOT_OFFSET		0x0c80
51#define	EP_EISA_IOSIZE			0x000a
52
53#define EISA_IOCONF			0x0008
54#define		IRQ_CHANNEL		0xf000
55#define			INT_3		0x3000
56#define			INT_5		0x5000
57#define			INT_7		0x7000
58#define			INT_9		0x9000
59#define			INT_10		0xa000
60#define			INT_11		0xb000
61#define			INT_12		0xc000
62#define			INT_15		0xf000
63#define EISA_BPROM_MEDIA_CONF		0x0006
64#define		TRANS_TYPE		0xc000
65#define			TRANS_TP	0x0000
66#define			TRANS_AUI	0x4000
67#define			TRANS_BNC	0xc000
68
69static int	ep_eisa_probe __P((void));
70static int	ep_eisa_attach __P((struct eisa_device *e_dev));
71
72static struct eisa_driver ep_eisa_driver = {
73					"ep",
74					ep_eisa_probe,
75					ep_eisa_attach,
76					/*shutdown*/NULL,
77					&ep_unit
78				      };
79
80DATA_SET (eisadriver_set, ep_eisa_driver);
81
82static char   *ep_match __P((eisa_id_t type));
83
84static  char*
85ep_match(type)
86	eisa_id_t type;
87{
88	switch(type) {
89		case EISA_DEVICE_ID_3COM_3C509_TP:
90			return "3Com 3C509-TP Network Adapter";
91			break;
92		case EISA_DEVICE_ID_3COM_3C509_BNC:
93			return "3Com 3C509-BNC Network Adapter";
94			break;
95		case EISA_DEVICE_ID_3COM_3C579_TP:
96			return "3Com 3C579-TP EISA Network Adapter";
97			break;
98		case EISA_DEVICE_ID_3COM_3C579_BNC:
99			return "3Com 3C579-BNC EISA Network Adapter";
100			break;
101		case EISA_DEVICE_ID_3COM_3C509_COMBO:
102			return "3Com 3C509-Combo Network Adapter";
103			break;
104		case EISA_DEVICE_ID_3COM_3C509_TPO:
105			return "3Com 3C509-TPO Network Adapter";
106			break;
107		default:
108			break;
109	}
110	return (NULL);
111}
112
113static int
114ep_eisa_probe(void)
115{
116	u_long iobase;
117	struct eisa_device *e_dev = NULL;
118	int count;
119
120	count = 0;
121	while ((e_dev = eisa_match_dev(e_dev, ep_match))) {
122		u_short conf;
123		u_long port;
124		int irq;
125
126		port = (e_dev->ioconf.slot * EISA_SLOT_SIZE);
127		iobase = port + EP_EISA_SLOT_OFFSET;
128
129		/* We must be in EISA configuration mode */
130		if ((inw(iobase + EP_W0_ADDRESS_CFG) & 0x1f) != 0x1f)
131                	continue;
132
133		eisa_add_iospace(e_dev, iobase, EP_EISA_IOSIZE, RESVADDR_NONE);
134		eisa_add_iospace(e_dev, port, EP_IOSIZE, RESVADDR_NONE);
135
136		conf = inw(iobase + EISA_IOCONF);
137		/* Determine our IRQ */
138		switch (conf & IRQ_CHANNEL) {
139			case INT_3:
140				irq = 3;
141				break;
142			case INT_5:
143				irq = 5;
144				break;
145			case INT_7:
146				irq = 7;
147				break;
148			case INT_9:
149				irq = 9;
150				break;
151			case INT_10:
152				irq = 10;
153				break;
154			case INT_11:
155				irq = 11;
156				break;
157			case INT_12:
158				irq = 12;
159				break;
160			case INT_15:
161				irq = 15;
162				break;
163			default:
164				/* Disabled */
165				printf("ep: 3COM Network Adapter at "
166				       "slot %d has its IRQ disabled. "
167				       "Probe failed.\n",
168					e_dev->ioconf.slot);
169				continue;
170		}
171		eisa_add_intr(e_dev, irq);
172		eisa_registerdev(e_dev, &ep_eisa_driver);
173		count++;
174	}
175	return count;
176}
177
178static int
179ep_eisa_attach(e_dev)
180	struct eisa_device *e_dev;
181{
182	struct ep_softc *sc;
183	struct ep_board *epb;
184	int unit = e_dev->unit;
185	int irq = ffs(e_dev->ioconf.irq) - 1;
186	resvaddr_t *ioport;
187	resvaddr_t *eisa_ioport;
188	u_char level_intr;
189	int i;
190
191	/*
192	 * The addresses are sorted in increasing order
193	 * so we know the port to pass to the core ep
194	 * driver comes first.
195	 */
196	ioport = e_dev->ioconf.ioaddrs.lh_first;
197
198	if(!ioport)
199		return -1;
200
201	eisa_ioport = ioport->links.le_next;
202
203	if(!eisa_ioport)
204		return -1;
205
206	eisa_reg_start(e_dev);
207	if(eisa_reg_iospace(e_dev, ioport))
208		return -1;
209
210	if(eisa_reg_iospace(e_dev, eisa_ioport))
211		return -1;
212
213	epb = &ep_board[ep_boards];
214
215	epb->epb_addr = ioport->addr;
216	epb->epb_used = 1;
217
218	if(!(sc = ep_alloc(unit, epb)))
219		return -1;
220
221	ep_boards++;
222
223	sc->stat = 0;
224	level_intr = FALSE;
225	switch(e_dev->id) {
226		case EISA_DEVICE_ID_3COM_3C509_TP:
227			sc->ep_connectors = UTP|AUI;
228			break;
229		case EISA_DEVICE_ID_3COM_3C509_BNC:
230			sc->ep_connectors = BNC|AUI;
231			break;
232		case EISA_DEVICE_ID_3COM_3C579_TP:
233			sc->ep_connectors = UTP|AUI;
234			sc->stat = F_ACCESS_32_BITS;
235			level_intr = TRUE;
236			break;
237		case EISA_DEVICE_ID_3COM_3C579_BNC:
238			sc->ep_connectors = BNC|AUI;
239			sc->stat = F_ACCESS_32_BITS;
240			level_intr = TRUE;
241			break;
242		case EISA_DEVICE_ID_3COM_3C509_COMBO:
243			sc->ep_connectors = UTP|BNC|AUI;
244			break;
245		case EISA_DEVICE_ID_3COM_3C509_TPO:
246			sc->ep_connectors = UTP;
247			break;
248		default:
249			break;
250        }
251	/*
252	 * Set the eisa config selected media type
253	 */
254	sc->ep_connector = inw(eisa_ioport->addr + EISA_BPROM_MEDIA_CONF)
255			   >> ACF_CONNECTOR_BITS;
256
257	if(eisa_reg_intr(e_dev, irq, ep_intr, (void *)sc, &net_imask,
258			 /*shared ==*/level_intr)) {
259		ep_free(sc);
260		return -1;
261	}
262	eisa_reg_end(e_dev);
263
264	/* Reset and Enable the card */
265	outb(eisa_ioport->addr + EP_W0_CONFIG_CTRL, W0_P4_CMD_RESET_ADAPTER);
266	DELAY(1000); /* we must wait at least 1 ms */
267	outb(eisa_ioport->addr + EP_W0_CONFIG_CTRL, W0_P4_CMD_ENABLE_ADAPTER);
268
269	/* Now the registers are availible through the lower ioport */
270
271	/*
272	 * Retrieve our ethernet address
273	 */
274	 GO_WINDOW(0);
275	for(i = 0; i < 3; i++)
276		sc->epb->eth_addr[i] = get_e(sc, i);
277
278        /* Even we get irq number from board, we should tell him..
279            Otherwise we never get a H/W interrupt anymore...*/
280        if ( irq == 9 )
281               irq = 2;
282        SET_IRQ(eisa_ioport->addr, irq);
283
284	ep_attach(sc);
285
286	if(eisa_enable_intr(e_dev, irq)) {
287		ep_free(sc);
288		eisa_release_intr(e_dev, irq, ep_intr);
289		return -1;
290	}
291
292	return 0;
293}
294
295#endif /* NEISA > 0 */
296