172 lines
4.2 KiB
C
172 lines
4.2 KiB
C
/* $NetBSD: tcasic.c,v 1.14 1996/12/05 01:39:45 cgd Exp $ */
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/*
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* Copyright (c) 1994, 1995, 1996 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/systm.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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#ifdef __BROKEN_INDIRECT_CONFIG
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int tcasicmatch(struct device *, void *, void *);
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#else
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int tcasicmatch(struct device *, struct cfdata *, void *);
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#endif
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void tcasicattach(struct device *, struct device *, void *);
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struct cfattach tcasic_ca = {
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sizeof (struct device), tcasicmatch, tcasicattach,
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};
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struct cfdriver tcasic_cd = {
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NULL, "tcasic", DV_DULL,
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};
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int tcasicprint __P((void *, const 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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#ifdef __BROKEN_INDIRECT_CONFIG
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void *cfdata;
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#else
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struct cfdata *cfdata;
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#endif
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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, tcasic_cd.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 tcbus_attach_args tba;
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void (*intr_setup) __P((void));
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void (*iointr) __P((void *, unsigned long));
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printf("\n");
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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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intr_setup = tc_3000_500_intr_setup;
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iointr = tc_3000_500_iointr;
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tba.tba_busname = "tc";
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tba.tba_speed = TC_SPEED_25_MHZ;
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tba.tba_nslots = tc_3000_500_nslots;
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tba.tba_slots = tc_3000_500_slots;
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if (hwrpb->rpb_variation & SV_GRAPHICS) {
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tba.tba_nbuiltins = tc_3000_500_graphics_nbuiltins;
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tba.tba_builtins = tc_3000_500_graphics_builtins;
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} else {
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tba.tba_nbuiltins = tc_3000_500_nographics_nbuiltins;
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tba.tba_builtins = tc_3000_500_nographics_builtins;
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}
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tba.tba_intr_establish = tc_3000_500_intr_establish;
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tba.tba_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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intr_setup = tc_3000_300_intr_setup;
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iointr = tc_3000_300_iointr;
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tba.tba_busname = "tc";
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tba.tba_speed = TC_SPEED_12_5_MHZ;
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tba.tba_nslots = tc_3000_300_nslots;
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tba.tba_slots = tc_3000_300_slots;
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tba.tba_nbuiltins = tc_3000_300_nbuiltins;
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tba.tba_builtins = tc_3000_300_builtins;
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tba.tba_intr_establish = tc_3000_300_intr_establish;
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tba.tba_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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panic("tcasicattach: bad cputype");
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}
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tba.tba_memt = tc_bus_mem_init(NULL);
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/* XXX XXX BEGIN XXX XXX */
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{ /* XXX */
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extern vm_offset_t alpha_XXX_dmamap_or; /* XXX */
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alpha_XXX_dmamap_or = 0; /* XXX */
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} /* XXX */
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/* XXX XXX END XXX XXX */
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(*intr_setup)();
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set_iointr(iointr);
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config_found(self, &tba, 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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const 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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