142 lines
3.5 KiB
C
142 lines
3.5 KiB
C
/* $NetBSD: tcasic.c,v 1.1 1995/12/20 00:43:34 cgd Exp $ */
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/*
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* Copyright (c) 1994, 1995 Carnegie-Mellon University.
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* All rights reserved.
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*
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* Author: Chris G. Demetriou
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*
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* Permission to use, copy, modify and distribute this software and
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* its documentation is hereby granted, provided that both the copyright
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* notice and this permission notice appear in all copies of the
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* software, derivative works or modified versions, and any portions
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* thereof, and that both notices appear in supporting documentation.
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*
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* CARNEGIE MELLON ALLOWS FREE USE OF THIS SOFTWARE IN ITS "AS IS"
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* CONDITION. CARNEGIE MELLON DISCLAIMS ANY LIABILITY OF ANY KIND
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* FOR ANY DAMAGES WHATSOEVER RESULTING FROM THE USE OF THIS SOFTWARE.
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*
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* Carnegie Mellon requests users of this software to return to
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*
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* Software Distribution Coordinator or Software.Distribution@CS.CMU.EDU
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* School of Computer Science
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* Carnegie Mellon University
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* Pittsburgh PA 15213-3890
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*
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* any improvements or extensions that they make and grant Carnegie the
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* rights to redistribute these changes.
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*/
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#include <sys/param.h>
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#include <sys/device.h>
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#include <machine/autoconf.h>
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#include <machine/rpb.h>
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#include <dev/tc/tcvar.h>
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#include <alpha/tc/tc_conf.h>
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/* Definition of the driver for autoconfig. */
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int tcasicmatch(struct device *, void *, void *);
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void tcasicattach(struct device *, struct device *, void *);
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struct cfdriver tcasiccd =
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{ NULL, "tcasic", tcasicmatch, tcasicattach, DV_DULL,
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sizeof (struct device) };
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int tcasicprint __P((void *, char *));
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extern int cputype;
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/* There can be only one. */
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int tcasicfound;
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int
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tcasicmatch(parent, cfdata, aux)
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struct device *parent;
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void *cfdata;
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void *aux;
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{
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struct confargs *ca = aux;
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/* Make sure that we're looking for a TurboChannel ASIC. */
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if (strcmp(ca->ca_name, tcasiccd.cd_name))
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return (0);
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/* Make sure that the system supports a TurboChannel ASIC. */
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if ((cputype != ST_DEC_3000_500) && (cputype != ST_DEC_3000_300))
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return (0);
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if (tcasicfound)
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return (0);
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return (1);
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}
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void
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tcasicattach(parent, self, aux)
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struct device *parent;
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struct device *self;
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void *aux;
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{
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struct tc_attach_args tc;
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void (*intr_setup) __P((void));
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void (*iointr) __P((void *, int));
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tcasicfound = 1;
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switch (cputype) {
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#ifdef DEC_3000_500
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case ST_DEC_3000_500:
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printf(": 25MHz\n");
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intr_setup = tc_3000_500_intr_setup;
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iointr = tc_3000_500_iointr;
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tc.tca_nslots = tc_3000_500_nslots;
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tc.tca_slots = tc_3000_500_slots;
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tc.tca_nbuiltins = tc_3000_500_nbuiltins;
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tc.tca_builtins = tc_3000_500_builtins;
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tc.tca_intr_establish = tc_3000_500_intr_establish;
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tc.tca_intr_disestablish = tc_3000_500_intr_disestablish;
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break;
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#endif /* DEC_3000_500 */
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#ifdef DEC_3000_300
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case ST_DEC_3000_300:
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printf(": 12.5MHz\n");
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intr_setup = tc_3000_300_intr_setup;
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iointr = tc_3000_300_iointr;
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tc.tca_nslots = tc_3000_300_nslots;
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tc.tca_slots = tc_3000_300_slots;
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tc.tca_nbuiltins = tc_3000_300_nbuiltins;
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tc.tca_builtins = tc_3000_300_builtins;
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tc.tca_intr_establish = tc_3000_300_intr_establish;
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tc.tca_intr_disestablish = tc_3000_300_intr_disestablish;
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break;
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#endif /* DEC_3000_300 */
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default:
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printf("\n");
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panic("tcasicattach: bad cputype");
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}
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(*intr_setup)();
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set_iointr(iointr);
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config_found(self, &tc, tcasicprint);
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}
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int
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tcasicprint(aux, pnp)
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void *aux;
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char *pnp;
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{
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/* only TCs can attach to tcasics; easy. */
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if (pnp)
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printf("tc at %s", pnp);
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return (UNCONF);
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}
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