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bi.c revision 1.16 
      1 /*	$NetBSD: bi.c,v 1.16 2000/07/26 12:41:40 ragge 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/param.h>
     44 #include <sys/systm.h>
     45 
     46 #include <machine/bus.h>
     47 #include <machine/cpu.h>
     48 
     49 #include <dev/bi/bireg.h>
     50 #include <dev/bi/bivar.h>
     51 
     52 static int bi_print __P((void *, const char *));
     53 
     54 struct bi_list bi_list[] = {
     55 	{BIDT_MS820, DT_HAVDRV, "ms820"},
     56 	{BIDT_DRB32, DT_UNSUPP, "drb32"},
     57 	{BIDT_DWBUA, DT_HAVDRV|DT_ADAPT, "dwbua"},
     58 	{BIDT_KLESI, DT_HAVDRV|DT_ADAPT, "klesi"},
     59 	{BIDT_KA820, DT_HAVDRV, "ka820"},
     60 	{BIDT_DB88,  DT_HAVDRV|DT_QUIET, "db88"},
     61 	{BIDT_CIBCA, DT_UNSUPP, "cibca"},
     62 	{BIDT_DMB32, DT_UNSUPP, "dmb32"},
     63 	{BIDT_CIBCI, DT_UNSUPP, "cibci"},
     64 	{BIDT_KA800, DT_UNSUPP, "ka800"},
     65 	{BIDT_KDB50, DT_HAVDRV|DT_VEC, "kdb50"},
     66 	{BIDT_DWMBA, DT_HAVDRV|DT_QUIET, "dwmba"},
     67 	{BIDT_KFBTA, DT_UNSUPP, "kfbta"},
     68 	{BIDT_DEBNK, DT_HAVDRV|DT_VEC, "debnk"},
     69 	{BIDT_DEBNA, DT_HAVDRV|DT_VEC, "debna"},
     70 	{0,0,0}
     71 };
     72 
     73 int
     74 bi_print(aux, name)
     75 	void *aux;
     76 	const char *name;
     77 {
     78 	struct bi_attach_args *ba = aux;
     79 	struct bi_list *bl;
     80 	u_int16_t nr;
     81 
     82 	nr = bus_space_read_2(ba->ba_iot, ba->ba_ioh, 0);
     83 	for (bl = &bi_list[0]; bl->bl_nr; bl++)
     84 		if (bl->bl_nr == nr)
     85 			break;
     86 
     87 	if (name) {
     88 		if (bl->bl_nr == 0)
     89 			printf("unknown device 0x%x", nr);
     90 		else
     91 			printf(bl->bl_name);
     92 		printf(" at %s", name);
     93 	}
     94 	printf(" node %d", ba->ba_nodenr);
     95 	if (bl->bl_havedriver & DT_VEC)
     96 		printf(" vec %o", ba->ba_ivec & 511);
     97 #ifdef DEBUG
     98 	if (bus_space_read_4(ba->ba_iot, ba->ba_ioh, BIREG_SADR) &&
     99 	    bus_space_read_4(ba->ba_iot, ba->ba_ioh, BIREG_EADR))
    100 		printf(" [sadr %x eadr %x]",
    101 		    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 #endif
    104 	if (bl->bl_havedriver & DT_QUIET)
    105 		printf("\n");
    106 	return bl->bl_havedriver & DT_QUIET ? QUIET :
    107 	    bl->bl_havedriver & DT_HAVDRV ? UNCONF : UNSUPP;
    108 }
    109 
    110 void
    111 bi_attach(sc)
    112 	struct bi_softc *sc;
    113 {
    114 	struct bi_attach_args ba;
    115 	int nodenr;
    116 
    117 	printf("\n");
    118 
    119 	ba.ba_iot = sc->sc_iot;
    120 	ba.ba_busnr = sc->sc_busnr;
    121 	ba.ba_dmat = sc->sc_dmat;
    122 	ba.ba_intcpu = sc->sc_intcpu;
    123 	ba.ba_icookie = sc;
    124 	/*
    125 	 * Interrupt numbers. Assign them as described in
    126 	 * VAX 8800 system maintenance manual; this means like nexus
    127 	 * adapters have them assigned.
    128 	 * XXX - must address Unibus adapters.
    129 	 */
    130 	for (nodenr = 0; nodenr < NNODEBI; nodenr++) {
    131 		if (bus_space_map(sc->sc_iot, sc->sc_addr + BI_NODE(nodenr),
    132 		    BI_NODESIZE, 0, &ba.ba_ioh)) {
    133 			printf("bi_attach: bus_space_map failed, node %d\n",
    134 			    nodenr);
    135 			return;
    136 		}
    137 		if (badaddr((caddr_t)ba.ba_ioh, 4) ||
    138 		    (bus_space_read_2(ba.ba_iot, ba.ba_ioh, 0) == 0)) {
    139 			bus_space_unmap(ba.ba_iot, ba.ba_ioh, BI_NODESIZE);
    140 			continue;
    141 		}
    142 		ba.ba_nodenr = nodenr;
    143 		ba.ba_ivec = sc->sc_lastiv + 64 + 4 * nodenr; /* all on spl5 */
    144 		config_found(&sc->sc_dev, &ba, bi_print);
    145 	}
    146 }
    147