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/* $OpenBSD: mainbus.c,v 1.10 2004/11/18 16:10:43 miod Exp $ */
/*
* Copyright (c) 1994, 1995 Carnegie-Mellon University.
* All rights reserved.
*
* Author: Chris G. Demetriou
*
* Permission to use, copy, modify and distribute this software and
* its documentation is hereby granted, provided that both the copyright
* notice and this permission notice appear in all copies of the
* software, derivative works or modified versions, and any portions
* thereof, and that both notices appear in supporting documentation.
*
* CARNEGIE MELLON ALLOWS FREE USE OF THIS SOFTWARE IN ITS "AS IS"
* CONDITION. CARNEGIE MELLON DISCLAIMS ANY LIABILITY OF ANY KIND
* FOR ANY DAMAGES WHATSOEVER RESULTING FROM THE USE OF THIS SOFTWARE.
*
* Carnegie Mellon requests users of this software to return to
*
* Software Distribution Coordinator or Software.Distribution@CS.CMU.EDU
* School of Computer Science
* Carnegie Mellon University
* Pittsburgh PA 15213-3890
*
* any improvements or extensions that they make and grant Carnegie the
* rights to redistribute these changes.
*/
#include <sys/param.h>
#include <sys/systm.h>
#include <sys/device.h>
#include <sys/reboot.h>
#include <machine/autoconf.h>
struct mainbus_softc {
struct device sc_dv;
struct bushook sc_bus;
};
void mbattach(struct device *, struct device *, void *);
int mbmatch(struct device *, void *, void *);
int mbprint(void *, const char *);
struct cfattach mainbus_ca = {
sizeof(struct mainbus_softc), mbmatch, mbattach
};
struct cfdriver mainbus_cd = {
NULL, "mainbus", DV_DULL
};
int
mbmatch(struct device *parent, void *cfdata, void *aux)
{
return (1);
}
void
mbattach(struct device *parent, struct device *self, void *aux)
{
struct mainbus_softc *sc = (struct mainbus_softc *)self;
struct confargs nca;
u_int8_t systype;
int cpu;
extern vaddr_t isaspace_va;
/* Pretty print the system type */
printf(": ");
switch ((systype = *(u_int8_t *)(isaspace_va + MVME_STATUS_REG))) {
default:
printf("unknown system type %x", systype);
break;
case MVMETYPE_RESERVED:
/* if you ever have this one, please contact me -- miod */
printf("Dahu MVME");
break;
case MVMETYPE_2600_712:
cpu = ppc_mfpvr() >> 16;
if (cpu == PPC_CPU_MPC750)
printf("MVME2700 (712-compatible)");
else
printf("MVME2600 (712-compatible)");
break;
case MVMETYPE_2600_761:
cpu = ppc_mfpvr() >> 16;
if (cpu == PPC_CPU_MPC750)
printf("MVME2700 (761-compatible)");
else
printf("MVME2600 (761-compatible)");
break;
case MVMETYPE_3600_712:
printf("MVME3600 or MVME4600 (712-compatible)");
break;
case MVMETYPE_3600_761:
printf("MVME3600 or MVME4600 (761-compatible)");
break;
case MVMETYPE_1600:
printf("MVME1600");
break;
}
printf("\n");
sc->sc_bus.bh_dv = (struct device *)sc;
sc->sc_bus.bh_type = BUS_MAIN;
sc->sc_bus.bh_intr_establish = NULL;
sc->sc_bus.bh_intr_disestablish = NULL;
sc->sc_bus.bh_matchname = NULL;
/*
* Try to find and attach all of the CPUs in the machine.
* Right now only one CPU is supported, so this is simple.
* Need to change for real MVME4600 support.
*/
nca.ca_name = "cpu";
nca.ca_bus = &sc->sc_bus;
config_found(self, &nca, mbprint);
/*
* Attach the BUG terminal services if necessary.
*/
nca.ca_name = "bugtty";
nca.ca_bus = &sc->sc_bus;
config_found(self, &nca, mbprint);
/*
* Find and attach the PCI Northbridge. It will find and attach
* everything.
*/
nca.ca_name = "raven";
nca.ca_bus = &sc->sc_bus;
config_found(self, &nca, mbprint);
}
int
mbprint(void *aux, const char *pnp)
{
if (pnp)
return (QUIET);
return (UNCONF);
}
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