150 lines
3.9 KiB
C
150 lines
3.9 KiB
C
/* $NetBSD: mainbus.c,v 1.3 2003/03/16 07:07:19 matt Exp $ */
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/*
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* Copyright (c) 1996 Christopher G. Demetriou. 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 by Christopher G. Demetriou
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* for the NetBSD Project.
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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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#include "mainbus.h"
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#include "pci.h"
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#include "opt_multiprocessor.h"
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#include "opt_pci.h"
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#include <sys/param.h>
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#include <sys/extent.h>
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#include <sys/device.h>
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#include <sys/malloc.h>
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#include <sys/systm.h>
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#include <machine/bus.h>
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#include <dev/pci/pcivar.h>
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#include <dev/pci/pciconf.h>
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#include <dev/marvell/gtvar.h>
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#if NCPU == 0
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#error A cpu device is now required
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#endif
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struct mainbus_attach_args {
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const char *mba_busname;
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int mba_unit;
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};
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int mainbus_cfprint(void *, const char *);
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int mainbus_match(struct device *, struct cfdata *, void *);
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void mainbus_attach(struct device *, struct device *, void *);
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CFATTACH_DECL(mainbus, sizeof(struct device),
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mainbus_match, mainbus_attach, NULL, NULL);
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int
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mainbus_cfprint(void *aux, const char *pnp)
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{
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struct mainbus_attach_args *mba = aux;
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if (pnp)
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aprint_normal("%s at %s", mba->mba_busname, pnp);
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aprint_normal(" unit %d", mba->mba_unit);
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return (UNCONF);
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}
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/*
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* Probe for the mainbus; always succeeds.
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*/
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int
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mainbus_match(struct device *parent, struct cfdata *match, void *aux)
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{
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return 1;
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}
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/*
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* Attach the mainbus.
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*/
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void
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mainbus_attach(struct device *parent, struct device *self, void *aux)
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{
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struct mainbus_attach_args mba;
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printf("\n");
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memset(&mba, 0, sizeof(mba));
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/*
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* Always find the CPU
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*/
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mba.mba_busname = "cpu";
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mba.mba_unit = 0;
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config_found(self, &mba, mainbus_cfprint);
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#ifdef MULTIPROCESSOR
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/*
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* Try for a second one...
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*/
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mba.mba_busname = "cpu";
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mba.mba_unit = 1;
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config_found(self, &mba, mainbus_cfprint);
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#endif
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/*
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* Now try to configure the Discovery
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*/
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mba.mba_busname = "gt";
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mba.mba_unit = 0;
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config_found(self, &mba, mainbus_cfprint);
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}
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static int cpu_match(struct device *, struct cfdata *, void *);
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static void cpu_attach(struct device *, struct device *, void *);
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CFATTACH_DECL(cpu, sizeof(struct device), cpu_match, cpu_attach, NULL, NULL);
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extern struct cfdriver cpu_cd;
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int
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cpu_match(struct device *parent, struct cfdata *cf, void *aux)
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{
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struct mainbus_attach_args *mba = aux;
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if (strcmp(mba->mba_busname, cpu_cd.cd_name) != 0)
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return 0;
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if (cpu_info[0].ci_dev != NULL)
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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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cpu_attach(struct device *parent, struct device *self, void *aux)
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{
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(void) cpu_attach_common(self, 0);
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}
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