if_vx_pci.c revision 20095 
1/*
2 * Copyright (C) 1996 Naoki Hamada <nao@tom-yam.or.jp>
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 * 3. Neither the name of the author nor the names of any co-contributors
14 *    may be used to endorse or promote products derived from this software
15 *    without specific prior written permission.
16 *
17 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
18 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
19 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
20 * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
21 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
22 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
23 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
24 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
25 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
26 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
27 * SUCH DAMAGE.
28 *
29 */
30
31#include "pci.h"
32#if NPCI > 0
33
34#include "vx.h"
35#if NVX > 0
36
37#include <sys/param.h>
38#include <sys/systm.h>
39#include <sys/kernel.h>
40#include <sys/socket.h>
41
42#include <net/if.h>
43
44#ifdef INET
45#include <netinet/in.h>
46#include <netinet/if_ether.h>
47#endif
48
49#ifdef NS
50#include <netns/ns.h>
51#include <netns/ns_if.h>
52#endif
53
54#include <machine/clock.h>
55
56#include <pci/pcivar.h>
57
58#include <dev/vx/if_vxreg.h>
59
60static void vx_pci_shutdown(int, void *);
61static char *vx_pci_probe(pcici_t, pcidi_t);
62static void vx_pci_attach(pcici_t, int unit);
63
64static void
65vx_pci_shutdown(
66	int howto,
67	void *sc)
68{
69   vxstop(sc);
70   vxfree(sc);
71}
72
73static char*
74vx_pci_probe(
75	pcici_t config_id,
76	pcidi_t device_id)
77{
78   if(device_id == 0x590010b7ul)
79      return "3COM 3C590 Etherlink III PCI";
80   if(device_id == 0x595010b7ul || device_id == 0x595110b7ul ||
81	device_id == 0x595210b7ul)
82      return "3COM 3C595 Fast Etherlink III PCI";
83   if(device_id == 0x900010b7ul || device_id == 0x900110b7ul)
84      return "3COM 3C900 Etherlink XL PCI";
85   if(device_id == 0x905010b7ul || device_id == 0x905110b7ul)
86      return "3COM 3C905 Fast Etherlink XL PCI";
87   return NULL;
88}
89
90static void
91vx_pci_attach(
92	pcici_t config_id,
93	int unit)
94{
95    struct vx_softc *sc;
96
97    if (unit >= NVX) {
98       printf("vx%d: not configured; kernel is built for only %d device%s.\n",
99          unit, NVX, NVX == 1 ? "" : "s");
100       return;
101    }
102
103    sc = vxalloc(unit);
104
105    sc->vx_io_addr = pci_conf_read(config_id, 0x10) & 0xffffffe0;
106
107    if (vxattach(sc) == 0) {
108	return;
109    }
110
111    /* defect check for 3C590 */
112    if ((pci_conf_read(config_id, 0) >> 16) == 0x5900) {
113	GO_WINDOW(0);
114	if (vxbusyeeprom(sc))
115	    return;
116	outw(BASE + VX_W0_EEPROM_COMMAND, EEPROM_CMD_RD | EEPROM_SOFT_INFO_2);
117	if (vxbusyeeprom(sc))
118	    return;
119	if (!(inw(BASE + VX_W0_EEPROM_DATA) & NO_RX_OVN_ANOMALY)) {
120	    printf("Warning! Defective early revision adapter!\n");
121	}
122    }
123
124    /*
125     * Add shutdown hook so that DMA is disabled prior to reboot. Not
126     * doing do could allow DMA to corrupt kernel memory during the
127     * reboot before the driver initializes.
128     */
129    at_shutdown(vx_pci_shutdown, sc, SHUTDOWN_POST_SYNC);
130
131    pci_map_int(config_id, (void *) vxintr, (void *) sc, &net_imask);
132}
133
134static struct pci_device vxdevice = {
135    "vx",
136    vx_pci_probe,
137    vx_pci_attach,
138    &vx_count,
139    NULL
140};
141
142DATA_SET (pcidevice_set, vxdevice);
143
144#endif	/* NVX */
145#endif	/* NPCI */
146