Annotation of sys/arch/sparc/dev/if_en_sbus.c, Revision 1.1.1.1
1.1 nbrk 1: /* $OpenBSD: if_en_sbus.c,v 1.7 2006/06/02 20:00:54 miod Exp $ */
2: /* $NetBSD: if_en_sbus.c,v 1.4 1997/05/24 20:16:22 pk Exp $ */
3:
4: /*
5: *
6: * Copyright (c) 1996 Charles D. Cranor and Washington University.
7: * All rights reserved.
8: *
9: * Redistribution and use in source and binary forms, with or without
10: * modification, are permitted provided that the following conditions
11: * are met:
12: * 1. Redistributions of source code must retain the above copyright
13: * notice, 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. All advertising materials mentioning features or use of this software
18: * must display the following acknowledgement:
19: * This product includes software developed by Charles D. Cranor and
20: * Washington University.
21: * 4. The name of the author may not be used to endorse or promote products
22: * derived from this software without specific prior written permission.
23: *
24: * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
25: * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
26: * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
27: * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
28: * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
29: * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
30: * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
31: * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
32: * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
33: * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
34: */
35:
36: /*
37: *
38: * i f _ e n _ s b u s . c
39: *
40: * author: Chuck Cranor <chuck@ccrc.wustl.edu>
41: * started: spring, 1996.
42: *
43: * SBUS glue for the eni155s card.
44: */
45:
46: #include <sys/param.h>
47: #include <sys/types.h>
48: #include <sys/device.h>
49: #include <sys/mbuf.h>
50: #include <sys/socket.h>
51: #include <sys/socketvar.h>
52:
53: #include <net/if.h>
54:
55: #include <machine/autoconf.h>
56: #include <machine/cpu.h>
57:
58: #include <sparc/dev/sbusvar.h>
59:
60: #include <dev/ic/midwayreg.h>
61: #include <dev/ic/midwayvar.h>
62:
63:
64: /*
65: * local structures
66: */
67:
68: struct en_sbus_softc {
69: /* bus independent stuff */
70: struct en_softc esc; /* includes "device" structure */
71:
72: /* sbus glue */
73: struct intrhand sc_ih; /* interrupt vectoring */
74: };
75:
76: /*
77: * local defines (SBUS specific stuff)
78: */
79:
80: #define EN_IPL 5
81:
82: /*
83: * prototypes
84: */
85:
86: static int en_sbus_match(struct device *, void *, void *);
87: static void en_sbus_attach(struct device *, struct device *, void *);
88:
89: /*
90: * SBUS autoconfig attachments
91: */
92:
93: struct cfattach en_sbus_ca = {
94: sizeof(struct en_sbus_softc), en_sbus_match, en_sbus_attach,
95: };
96:
97: /***********************************************************************/
98:
99: /*
100: * autoconfig stuff
101: */
102:
103: static int en_sbus_match(parent, match, aux)
104:
105: struct device *parent;
106: void *match;
107: void *aux;
108:
109: {
110: struct cfdata *cf = match;
111: struct confargs *ca = aux;
112: register struct romaux *ra = &ca->ca_ra;
113:
114: if (strcmp("ENI-155s", ra->ra_name))
115: return 0;
116: if (ca->ca_bustype == BUS_SBUS)
117: return (1);
118:
119: return 0;
120: }
121:
122:
123: static void en_sbus_attach(parent, self, aux)
124:
125: struct device *parent, *self;
126: void *aux;
127:
128: {
129: struct en_softc *sc = (void *)self;
130: struct en_sbus_softc *scs = (void *)self;
131: struct confargs *ca = aux;
132: int lcv, iplcode;
133:
134: printf("\n");
135:
136: if (CPU_ISSUN4M) {
137: printf("%s: sun4m DMA not supported yet\n", sc->sc_dev.dv_xname);
138: return;
139: }
140:
141: sc->en_base = (caddr_t) mapiodev(ca->ca_ra.ra_reg, 0, 4*1024*1024);
142:
143: if (ca->ca_ra.ra_nintr == 1) {
144: sc->ipl = ca->ca_ra.ra_intr[0].int_pri;
145: } else {
146: printf("%s: claims to be at the following IPLs: ", sc->sc_dev.dv_xname);
147: iplcode = 0;
148: for (lcv = 0 ; lcv < ca->ca_ra.ra_nintr ; lcv++) {
149: printf("%d ", ca->ca_ra.ra_intr[lcv].int_pri);
150: if (EN_IPL == ca->ca_ra.ra_intr[lcv].int_pri)
151: iplcode = lcv;
152: }
153: if (!iplcode) {
154: printf("%s: can't find the IPL we want (%d)\n", sc->sc_dev.dv_xname,
155: EN_IPL);
156: return;
157: }
158: printf("\n%s: we choose IPL %d\n", sc->sc_dev.dv_xname, EN_IPL);
159: sc->ipl = iplcode;
160: }
161: scs->sc_ih.ih_fun = en_intr;
162: scs->sc_ih.ih_arg = sc;
163: intr_establish(EN_IPL, &scs->sc_ih, IPL_NET, self->dv_xname);
164:
165: /*
166: * done SBUS specific stuff
167: */
168:
169: en_attach(sc);
170:
171: }
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