Annotation of sys/arch/vax/bi/bi.c, Revision 1.1.1.1
1.1 nbrk 1: /* $OpenBSD: bi.c,v 1.7 2004/07/07 23:10:43 deraadt Exp $ */
2: /* $NetBSD: bi.c,v 1.17 2001/11/13 12:51:34 lukem Exp $ */
3: /*
4: * Copyright (c) 1996 Ludd, University of Lule}, Sweden.
5: * All rights reserved.
6: *
7: * Redistribution and use in source and binary forms, with or without
8: * modification, are permitted provided that the following conditions
9: * are met:
10: * 1. Redistributions of source code must retain the above copyright
11: * notice, this list of conditions and the following disclaimer.
12: * 2. Redistributions in binary form must reproduce the above copyright
13: * notice, this list of conditions and the following disclaimer in the
14: * documentation and/or other materials provided with the distribution.
15: * 3. All advertising materials mentioning features or use of this software
16: * must display the following acknowledgement:
17: * This product includes software developed at Ludd, University of
18: * Lule}, Sweden and its contributors.
19: * 4. The name of the author may not be used to endorse or promote products
20: * derived from this software without specific prior written permission
21: *
22: * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
23: * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
24: * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
25: * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
26: * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
27: * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
28: * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
29: * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
30: * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
31: * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
32: */
33:
34:
35:
36: /*
37: * VAXBI specific routines.
38: */
39: /*
40: * TODO
41: * handle BIbus errors more gracefully.
42: */
43:
44: #include <sys/cdefs.h>
45: __KERNEL_RCSID(0, "$NetBSD: bi.c,v 1.17 2001/11/13 12:51:34 lukem Exp $");
46:
47: #include <sys/param.h>
48: #include <sys/systm.h>
49:
50: #include <machine/bus.h>
51: #include <machine/cpu.h>
52:
53: #include <dev/bi/bireg.h>
54: #include <dev/bi/bivar.h>
55:
56: static int bi_print(void *, const char *);
57:
58: struct bi_list bi_list[] = {
59: {BIDT_MS820, DT_HAVDRV, "ms820"},
60: {BIDT_DRB32, DT_UNSUPP, "drb32"},
61: {BIDT_DWBUA, DT_HAVDRV|DT_ADAPT, "dwbua"},
62: {BIDT_KLESI, DT_HAVDRV|DT_ADAPT, "klesi"},
63: {BIDT_KA820, DT_HAVDRV, "ka820"},
64: {BIDT_DB88, DT_HAVDRV|DT_QUIET, "db88"},
65: {BIDT_CIBCA, DT_UNSUPP, "cibca"},
66: {BIDT_DMB32, DT_UNSUPP, "dmb32"},
67: {BIDT_CIBCI, DT_UNSUPP, "cibci"},
68: {BIDT_KA800, DT_UNSUPP, "ka800"},
69: {BIDT_KDB50, DT_HAVDRV|DT_VEC, "kdb50"},
70: {BIDT_DWMBA, DT_HAVDRV|DT_QUIET, "dwmba"},
71: {BIDT_KFBTA, DT_UNSUPP, "kfbta"},
72: {BIDT_DEBNK, DT_HAVDRV|DT_VEC, "debnk"},
73: {BIDT_DEBNA, DT_HAVDRV|DT_VEC, "debna"},
74: {0,0,0}
75: };
76:
77: int
78: bi_print(aux, name)
79: void *aux;
80: const char *name;
81: {
82: struct bi_attach_args *ba = aux;
83: struct bi_list *bl;
84: u_int16_t nr;
85:
86: nr = bus_space_read_2(ba->ba_iot, ba->ba_ioh, 0);
87: for (bl = &bi_list[0]; bl->bl_nr; bl++)
88: if (bl->bl_nr == nr)
89: break;
90:
91: if (name) {
92: if (bl->bl_nr == 0)
93: printf("unknown device 0x%x", nr);
94: else
95: printf(bl->bl_name);
96: printf(" at %s", name);
97: }
98: printf(" node %d", ba->ba_nodenr);
99: if (bl->bl_havedriver & DT_VEC)
100: printf(" vec %d", ba->ba_ivec & 511);
101: #ifdef DEBUG
102: if (bus_space_read_4(ba->ba_iot, ba->ba_ioh, BIREG_SADR) &&
103: bus_space_read_4(ba->ba_iot, ba->ba_ioh, BIREG_EADR))
104: printf(" [sadr %x eadr %x]",
105: bus_space_read_4(ba->ba_iot, ba->ba_ioh, BIREG_SADR),
106: bus_space_read_4(ba->ba_iot, ba->ba_ioh, BIREG_EADR));
107: #endif
108: if (bl->bl_havedriver & DT_QUIET)
109: printf("\n");
110: return bl->bl_havedriver & DT_QUIET ? QUIET :
111: bl->bl_havedriver & DT_HAVDRV ? UNCONF : UNSUPP;
112: }
113:
114: void
115: bi_attach(sc)
116: struct bi_softc *sc;
117: {
118: struct bi_attach_args ba;
119: int nodenr;
120:
121: printf("\n");
122:
123: ba.ba_iot = sc->sc_iot;
124: ba.ba_busnr = sc->sc_busnr;
125: ba.ba_dmat = sc->sc_dmat;
126: ba.ba_intcpu = sc->sc_intcpu;
127: ba.ba_icookie = sc;
128: /*
129: * Interrupt numbers. Assign them as described in
130: * VAX 8800 system maintenance manual; this means like nexus
131: * adapters have them assigned.
132: * XXX - must address Unibus adapters.
133: */
134: for (nodenr = 0; nodenr < NNODEBI; nodenr++) {
135: if (bus_space_map(sc->sc_iot, sc->sc_addr + BI_NODE(nodenr),
136: BI_NODESIZE, 0, &ba.ba_ioh)) {
137: printf("bi_attach: bus_space_map failed, node %d\n",
138: nodenr);
139: return;
140: }
141: if (badaddr((caddr_t)ba.ba_ioh, 4) ||
142: (bus_space_read_2(ba.ba_iot, ba.ba_ioh, 0) == 0)) {
143: bus_space_unmap(ba.ba_iot, ba.ba_ioh, BI_NODESIZE);
144: continue;
145: }
146: ba.ba_nodenr = nodenr;
147: ba.ba_ivec = sc->sc_lastiv + 64 + 4 * nodenr; /* all on spl5 */
148: config_found(&sc->sc_dev, &ba, bi_print);
149: }
150: }
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