Annotation of sys/dev/sbus/if_gem_sbus.c, Revision 1.1.1.1
1.1 nbrk 1: /* $OpenBSD: if_gem_sbus.c,v 1.2 2006/12/21 22:16:09 jason Exp $ */
2: /* $NetBSD: if_gem_sbus.c,v 1.1 2006/11/24 13:23:32 martin Exp $ */
3:
4: /*-
5: * Copyright (c) 2006 The NetBSD Foundation, Inc.
6: * All rights reserved.
7: *
8: * This code is derived from software contributed to The NetBSD Foundation
9: * by Martin Husemann.
10: *
11: * Redistribution and use in source and binary forms, with or without
12: * modification, are permitted provided that the following conditions
13: * are met:
14: * 1. Redistributions of source code must retain the above copyright
15: * notice, this list of conditions and the following disclaimer.
16: * 2. Redistributions in binary form must reproduce the above copyright
17: * notice, this list of conditions and the following disclaimer in the
18: * documentation and/or other materials provided with the distribution.
19: * 3. All advertising materials mentioning features or use of this software
20: * must display the following acknowledgement:
21: * This product includes software developed by the NetBSD
22: * Foundation, Inc. and its contributors.
23: * 4. Neither the name of The NetBSD Foundation nor the names of its
24: * contributors may be used to endorse or promote products derived
25: * from this software without specific prior written permission.
26: *
27: * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
28: * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
29: * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
30: * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
31: * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
32: * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
33: * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
34: * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
35: * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
36: * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
37: * POSSIBILITY OF SUCH DAMAGE.
38: */
39:
40: /*
41: * SBus front-end for the GEM network driver
42: */
43:
44: #if 0
45: #include <sys/cdefs.h>
46: __KERNEL_RCSID(0, "$NetBSD: if_gem_sbus.c,v 1.1 2006/11/24 13:23:32 martin Exp $");
47: #endif
48:
49: #include <sys/param.h>
50: #include <sys/systm.h>
51: #include <sys/syslog.h>
52: #include <sys/device.h>
53: #include <sys/malloc.h>
54: #include <sys/socket.h>
55:
56: #include <net/if.h>
57: #include <net/if_dl.h>
58: #include <net/if_media.h>
59:
60: #ifdef INET
61: #include <netinet/in.h>
62: #include <netinet/in_systm.h>
63: #include <netinet/in_var.h>
64: #include <netinet/ip.h>
65: #include <netinet/if_ether.h>
66: #endif
67:
68: #include <dev/mii/mii.h>
69: #include <dev/mii/miivar.h>
70:
71: #include <machine/bus.h>
72: #include <machine/intr.h>
73: #include <machine/autoconf.h>
74:
75: #include <dev/sbus/sbusvar.h>
76:
77: #include <dev/ic/gemreg.h>
78: #include <dev/ic/gemvar.h>
79:
80: #include <dev/ofw/openfirm.h>
81:
82: struct gem_sbus_softc {
83: struct gem_softc gsc_gem; /* GEM device */
84: };
85:
86: int gemmatch_sbus(struct device *, void *, void *);
87: void gemattach_sbus(struct device *, struct device *, void *);
88:
89: struct cfattach gem_sbus_ca = {
90: sizeof(struct gem_sbus_softc), gemmatch_sbus, gemattach_sbus
91: };
92:
93: int
94: gemmatch_sbus(struct device *parent, void *vcf, void *aux)
95: {
96: struct sbus_attach_args *sa = aux;
97:
98: return (strcmp("network", sa->sa_name) == 0);
99: }
100:
101: void
102: gemattach_sbus(struct device *parent, struct device *self, void *aux)
103: {
104: struct sbus_attach_args *sa = aux;
105: struct gem_sbus_softc *gsc = (void *)self;
106: struct gem_softc *sc = &gsc->gsc_gem;
107: /* XXX the following declarations should be elsewhere */
108: extern void myetheraddr(u_char *);
109:
110: /* Pass on the bus tags */
111: sc->sc_bustag = sa->sa_bustag;
112: sc->sc_dmatag = sa->sa_dmatag;
113:
114: if (sa->sa_nreg < 2) {
115: printf("%s: only %d register sets\n",
116: self->dv_xname, sa->sa_nreg);
117: return;
118: }
119:
120: /*
121: * Map two register banks:
122: *
123: * bank 0: status, config, reset
124: * bank 1: various gem parts
125: *
126: */
127: if (sbus_bus_map(sa->sa_bustag, sa->sa_reg[0].sbr_slot,
128: (bus_addr_t)sa->sa_reg[0].sbr_offset,
129: (bus_size_t)sa->sa_reg[0].sbr_size, 0, 0,
130: &sc->sc_h2) != 0) {
131: printf("%s: cannot map registers\n", self->dv_xname);
132: return;
133: }
134: if (sbus_bus_map(sa->sa_bustag, sa->sa_reg[0].sbr_slot,
135: (bus_addr_t)sa->sa_reg[1].sbr_offset,
136: (bus_size_t)sa->sa_reg[1].sbr_size, 0, 0,
137: &sc->sc_h1) != 0) {
138: printf("%s: cannot map registers\n", self->dv_xname);
139: return;
140: }
141:
142: if (OF_getprop(sa->sa_node, "local-mac-address",
143: sc->sc_arpcom.ac_enaddr, ETHER_ADDR_LEN) <= 0)
144: myetheraddr(sc->sc_arpcom.ac_enaddr);
145:
146: /*
147: * SBUS config
148: */
149: bus_space_write_4(sa->sa_bustag, sc->sc_h2, GEM_SBUS_CONFIG,
150: GEM_SBUS_CFG_PARITY|GEM_SBUS_CFG_BMODE64);
151:
152: /* Establish interrupt handler */
153: if (sa->sa_nintr != 0)
154: (void)bus_intr_establish(sa->sa_bustag, sa->sa_pri, IPL_NET, 0,
155: gem_intr, sc, self->dv_xname);
156:
157: gem_config(sc);
158: }
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