150 lines
4.7 KiB
C
150 lines
4.7 KiB
C
/* $NetBSD: bi.c,v 1.22 2007/03/04 06:01:44 christos Exp $ */
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/*
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* Copyright (c) 1996 Ludd, University of Lule}, Sweden.
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* 3. All advertising materials mentioning features or use of this software
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* must display the following acknowledgement:
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* This product includes software developed at Ludd, University of
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* Lule}, Sweden and its contributors.
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* 4. The name of the author may not be used to endorse or promote products
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* derived from this software without specific prior written permission
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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
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* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
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* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
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* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
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* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
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* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
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* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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/*
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* VAXBI specific routines.
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*/
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/*
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* TODO
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* handle BIbus errors more gracefully.
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*/
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#include <sys/cdefs.h>
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__KERNEL_RCSID(0, "$NetBSD: bi.c,v 1.22 2007/03/04 06:01:44 christos Exp $");
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#include <sys/param.h>
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#include <sys/systm.h>
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#include <machine/bus.h>
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#include <machine/cpu.h>
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#include <dev/bi/bireg.h>
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#include <dev/bi/bivar.h>
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static int bi_print(void *, const char *);
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struct bi_list bi_list[] = {
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{BIDT_MS820, DT_HAVDRV, "ms820"},
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{BIDT_DRB32, DT_UNSUPP, "drb32"},
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{BIDT_DWBUA, DT_HAVDRV|DT_ADAPT, "dwbua"},
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{BIDT_KLESI, DT_HAVDRV|DT_ADAPT, "klesi"},
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{BIDT_KA820, DT_HAVDRV, "ka820"},
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{BIDT_DB88, DT_HAVDRV|DT_QUIET, "db88"},
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{BIDT_CIBCA, DT_UNSUPP, "cibca"},
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{BIDT_DMB32, DT_UNSUPP, "dmb32"},
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{BIDT_CIBCI, DT_UNSUPP, "cibci"},
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{BIDT_KA800, DT_UNSUPP, "ka800"},
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{BIDT_KDB50, DT_HAVDRV|DT_VEC, "kdb50"},
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{BIDT_DWMBA, DT_HAVDRV|DT_QUIET, "dwmba"},
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{BIDT_KFBTA, DT_UNSUPP, "kfbta"},
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{BIDT_DEBNK, DT_HAVDRV|DT_VEC, "debnk"},
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{BIDT_DEBNA, DT_HAVDRV|DT_VEC, "debna"},
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{0,0,0}
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};
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int
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bi_print(aux, name)
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void *aux;
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const char *name;
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{
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struct bi_attach_args *ba = aux;
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struct bi_list *bl;
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u_int16_t nr;
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nr = bus_space_read_2(ba->ba_iot, ba->ba_ioh, 0);
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for (bl = &bi_list[0]; bl->bl_nr; bl++)
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if (bl->bl_nr == nr)
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break;
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if (name) {
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if (bl->bl_nr == 0)
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aprint_normal("unknown device 0x%x", nr);
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else
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aprint_normal(bl->bl_name);
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aprint_normal(" at %s", name);
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}
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aprint_normal(" node %d", ba->ba_nodenr);
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if (bl->bl_havedriver & DT_VEC)
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aprint_normal(" vec %o", ba->ba_ivec & 511);
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#ifdef DEBUG
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if (bus_space_read_4(ba->ba_iot, ba->ba_ioh, BIREG_SADR) &&
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bus_space_read_4(ba->ba_iot, ba->ba_ioh, BIREG_EADR))
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aprint_debug(" [sadr %x eadr %x]",
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bus_space_read_4(ba->ba_iot, ba->ba_ioh, BIREG_SADR),
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bus_space_read_4(ba->ba_iot, ba->ba_ioh, BIREG_EADR));
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#endif
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if (bl->bl_havedriver & DT_QUIET)
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aprint_normal("\n");
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return bl->bl_havedriver & DT_QUIET ? QUIET :
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bl->bl_havedriver & DT_HAVDRV ? UNCONF : UNSUPP;
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}
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void
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bi_attach(sc)
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struct bi_softc *sc;
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{
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struct bi_attach_args ba;
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int nodenr;
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printf("\n");
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ba.ba_iot = sc->sc_iot;
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ba.ba_busnr = sc->sc_busnr;
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ba.ba_dmat = sc->sc_dmat;
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ba.ba_intcpu = sc->sc_intcpu;
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ba.ba_icookie = sc;
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/*
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* Interrupt numbers. Assign them as described in
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* VAX 8800 system maintenance manual; this means like nexus
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* adapters have them assigned.
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* XXX - must address Unibus adapters.
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*/
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for (nodenr = 0; nodenr < NNODEBI; nodenr++) {
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if (bus_space_map(sc->sc_iot, sc->sc_addr + BI_NODE(nodenr),
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BI_NODESIZE, 0, &ba.ba_ioh)) {
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printf("bi_attach: bus_space_map failed, node %d\n",
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nodenr);
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return;
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}
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if (badaddr((void *)ba.ba_ioh, 4) ||
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(bus_space_read_2(ba.ba_iot, ba.ba_ioh, 0) == 0)) {
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bus_space_unmap(ba.ba_iot, ba.ba_ioh, BI_NODESIZE);
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continue;
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}
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ba.ba_nodenr = nodenr;
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ba.ba_ivec = sc->sc_lastiv + 64 + 4 * nodenr; /* all on spl5 */
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config_found(&sc->sc_dev, &ba, bi_print);
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}
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}
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