1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
|
/* $OpenBSD: if_gem_sbus.c,v 1.1 2009/07/13 19:53:58 kettenis Exp $ */
/* $NetBSD: if_gem_sbus.c,v 1.1 2006/11/24 13:23:32 martin Exp $ */
/*-
* Copyright (c) 2006 The NetBSD Foundation, Inc.
* All rights reserved.
*
* This code is derived from software contributed to The NetBSD Foundation
* by Martin Husemann.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
* ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
* TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
* BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
* POSSIBILITY OF SUCH DAMAGE.
*/
/*
* SBus front-end for the GEM network driver
*/
#include <sys/param.h>
#include <sys/systm.h>
#include <sys/syslog.h>
#include <sys/device.h>
#include <sys/malloc.h>
#include <sys/socket.h>
#include <net/if.h>
#include <net/if_dl.h>
#include <net/if_media.h>
#ifdef INET
#include <netinet/in.h>
#include <netinet/in_systm.h>
#include <netinet/in_var.h>
#include <netinet/ip.h>
#include <netinet/if_ether.h>
#endif
#include <dev/mii/mii.h>
#include <dev/mii/miivar.h>
#include <machine/autoconf.h>
#include <machine/bus.h>
extern struct sparc_bus_dma_tag *iommu_dmatag;
#include <sparc/dev/sbusvar.h>
#include <dev/ic/gemreg.h>
#include <dev/ic/gemvar.h>
#include <dev/ofw/openfirm.h>
struct gem_sbus_softc {
struct gem_softc gsc_gem; /* GEM device */
struct intrhand gsc_ih;
struct rom_reg gsc_rr;
};
int gemmatch_sbus(struct device *, void *, void *);
void gemattach_sbus(struct device *, struct device *, void *);
struct cfattach gem_sbus_ca = {
sizeof(struct gem_sbus_softc), gemmatch_sbus, gemattach_sbus
};
int
gemmatch_sbus(struct device *parent, void *vcf, void *aux)
{
struct confargs *ca = aux;
struct romaux *ra = &ca->ca_ra;
return (strcmp("network", ra->ra_name) == 0);
}
void
gemattach_sbus(struct device *parent, struct device *self, void *aux)
{
struct confargs *ca = aux;
struct gem_sbus_softc *gsc = (void *)self;
struct gem_softc *sc = &gsc->gsc_gem;
/* XXX the following declaration should be elsewhere */
extern void myetheraddr(u_char *);
/* Pass on the bus tags */
gsc->gsc_rr = ca->ca_ra.ra_reg[0];
sc->sc_bustag = &gsc->gsc_rr;
sc->sc_dmatag = iommu_dmatag;
if (ca->ca_ra.ra_nintr < 1) {
printf(": no interrupt\n");
return;
}
if (ca->ca_ra.ra_nreg < 2) {
printf(": only %d register sets\n", ca->ca_ra.ra_nreg);
return;
}
sc->sc_variant = GEM_SUN_GEM;
/*
* Map two register banks:
*
* bank 0: status, config, reset
* bank 1: various gem parts
*
*/
if (bus_space_map(&ca->ca_ra.ra_reg[0], 0,
ca->ca_ra.ra_reg[0].rr_len, 0, &sc->sc_h2)) {
printf(": can't map registers\n");
return;
}
if (bus_space_map(&ca->ca_ra.ra_reg[1], 0,
ca->ca_ra.ra_reg[1].rr_len, 0, &sc->sc_h1)) {
printf(": can't map registers\n");
return;
}
if (getprop(ca->ca_ra.ra_node, "local-mac-address",
sc->sc_arpcom.ac_enaddr, ETHER_ADDR_LEN) <= 0)
myetheraddr(sc->sc_arpcom.ac_enaddr);
/*
* SBUS config
*/
(void) bus_space_read_4(sc->sc_bustag, sc->sc_h2, GEM_SBUS_RESET);
delay(100);
bus_space_write_4(sc->sc_bustag, sc->sc_h2, GEM_SBUS_CONFIG,
GEM_SBUS_CFG_BSIZE32);
/* Establish interrupt handler */
gsc->gsc_ih.ih_fun = gem_intr;
gsc->gsc_ih.ih_arg = sc;
intr_establish(ca->ca_ra.ra_intr[0].int_pri, &gsc->gsc_ih,
IPL_NET, self->dv_xname);
gem_config(sc);
}
|
