xref: /netbsd/sys/dev/bi/bi.c (revision bf9ec67e)
1 /*	$NetBSD: bi.c,v 1.17 2001/11/13 12:51:34 lukem Exp $ */
2 /*
3  * Copyright (c) 1996 Ludd, University of Lule}, Sweden.
4  * All rights reserved.
5  *
6  * Redistribution and use in source and binary forms, with or without
7  * modification, are permitted provided that the following conditions
8  * are met:
9  * 1. Redistributions of source code must retain the above copyright
10  *    notice, this list of conditions and the following disclaimer.
11  * 2. Redistributions in binary form must reproduce the above copyright
12  *    notice, this list of conditions and the following disclaimer in the
13  *    documentation and/or other materials provided with the distribution.
14  * 3. All advertising materials mentioning features or use of this software
15  *    must display the following acknowledgement:
16  *      This product includes software developed at Ludd, University of
17  *      Lule}, Sweden and its contributors.
18  * 4. The name of the author may not be used to endorse or promote products
19  *    derived from this software without specific prior written permission
20  *
21  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
22  * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
23  * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
24  * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
25  * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
26  * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
27  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
28  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
29  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
30  * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
31  */
32 
33 
34 
35 /*
36  * VAXBI specific routines.
37  */
38 /*
39  * TODO
40  *   handle BIbus errors more gracefully.
41  */
42 
43 #include <sys/cdefs.h>
44 __KERNEL_RCSID(0, "$NetBSD: bi.c,v 1.17 2001/11/13 12:51:34 lukem Exp $");
45 
46 #include <sys/param.h>
47 #include <sys/systm.h>
48 
49 #include <machine/bus.h>
50 #include <machine/cpu.h>
51 
52 #include <dev/bi/bireg.h>
53 #include <dev/bi/bivar.h>
54 
55 static int bi_print __P((void *, const char *));
56 
57 struct bi_list bi_list[] = {
58 	{BIDT_MS820, DT_HAVDRV, "ms820"},
59 	{BIDT_DRB32, DT_UNSUPP, "drb32"},
60 	{BIDT_DWBUA, DT_HAVDRV|DT_ADAPT, "dwbua"},
61 	{BIDT_KLESI, DT_HAVDRV|DT_ADAPT, "klesi"},
62 	{BIDT_KA820, DT_HAVDRV, "ka820"},
63 	{BIDT_DB88,  DT_HAVDRV|DT_QUIET, "db88"},
64 	{BIDT_CIBCA, DT_UNSUPP, "cibca"},
65 	{BIDT_DMB32, DT_UNSUPP, "dmb32"},
66 	{BIDT_CIBCI, DT_UNSUPP, "cibci"},
67 	{BIDT_KA800, DT_UNSUPP, "ka800"},
68 	{BIDT_KDB50, DT_HAVDRV|DT_VEC, "kdb50"},
69 	{BIDT_DWMBA, DT_HAVDRV|DT_QUIET, "dwmba"},
70 	{BIDT_KFBTA, DT_UNSUPP, "kfbta"},
71 	{BIDT_DEBNK, DT_HAVDRV|DT_VEC, "debnk"},
72 	{BIDT_DEBNA, DT_HAVDRV|DT_VEC, "debna"},
73 	{0,0,0}
74 };
75 
76 int
77 bi_print(aux, name)
78 	void *aux;
79 	const char *name;
80 {
81 	struct bi_attach_args *ba = aux;
82 	struct bi_list *bl;
83 	u_int16_t nr;
84 
85 	nr = bus_space_read_2(ba->ba_iot, ba->ba_ioh, 0);
86 	for (bl = &bi_list[0]; bl->bl_nr; bl++)
87 		if (bl->bl_nr == nr)
88 			break;
89 
90 	if (name) {
91 		if (bl->bl_nr == 0)
92 			printf("unknown device 0x%x", nr);
93 		else
94 			printf(bl->bl_name);
95 		printf(" at %s", name);
96 	}
97 	printf(" node %d", ba->ba_nodenr);
98 	if (bl->bl_havedriver & DT_VEC)
99 		printf(" vec %o", ba->ba_ivec & 511);
100 #ifdef DEBUG
101 	if (bus_space_read_4(ba->ba_iot, ba->ba_ioh, BIREG_SADR) &&
102 	    bus_space_read_4(ba->ba_iot, ba->ba_ioh, BIREG_EADR))
103 		printf(" [sadr %x eadr %x]",
104 		    bus_space_read_4(ba->ba_iot, ba->ba_ioh, BIREG_SADR),
105 		    bus_space_read_4(ba->ba_iot, ba->ba_ioh, BIREG_EADR));
106 #endif
107 	if (bl->bl_havedriver & DT_QUIET)
108 		printf("\n");
109 	return bl->bl_havedriver & DT_QUIET ? QUIET :
110 	    bl->bl_havedriver & DT_HAVDRV ? UNCONF : UNSUPP;
111 }
112 
113 void
114 bi_attach(sc)
115 	struct bi_softc *sc;
116 {
117 	struct bi_attach_args ba;
118 	int nodenr;
119 
120 	printf("\n");
121 
122 	ba.ba_iot = sc->sc_iot;
123 	ba.ba_busnr = sc->sc_busnr;
124 	ba.ba_dmat = sc->sc_dmat;
125 	ba.ba_intcpu = sc->sc_intcpu;
126 	ba.ba_icookie = sc;
127 	/*
128 	 * Interrupt numbers. Assign them as described in
129 	 * VAX 8800 system maintenance manual; this means like nexus
130 	 * adapters have them assigned.
131 	 * XXX - must address Unibus adapters.
132 	 */
133 	for (nodenr = 0; nodenr < NNODEBI; nodenr++) {
134 		if (bus_space_map(sc->sc_iot, sc->sc_addr + BI_NODE(nodenr),
135 		    BI_NODESIZE, 0, &ba.ba_ioh)) {
136 			printf("bi_attach: bus_space_map failed, node %d\n",
137 			    nodenr);
138 			return;
139 		}
140 		if (badaddr((caddr_t)ba.ba_ioh, 4) ||
141 		    (bus_space_read_2(ba.ba_iot, ba.ba_ioh, 0) == 0)) {
142 			bus_space_unmap(ba.ba_iot, ba.ba_ioh, BI_NODESIZE);
143 			continue;
144 		}
145 		ba.ba_nodenr = nodenr;
146 		ba.ba_ivec = sc->sc_lastiv + 64 + 4 * nodenr; /* all on spl5 */
147 		config_found(&sc->sc_dev, &ba, bi_print);
148 	}
149 }
150