NetBSD-5.0.2/sys/arch/mvme68k/mvme68k/autoconf.c
/* $NetBSD: autoconf.c,v 1.44 2008/01/12 09:54:28 tsutsui Exp $ */
/*
* Copyright (c) 1982, 1986, 1990, 1993
* The Regents of the University of California. All rights reserved.
*
* This code is derived from software contributed to Berkeley by
* the Systems Programming Group of the University of Utah Computer
* Science Department.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* 3. Neither the name of the University nor the names of its contributors
* may be used to endorse or promote products derived from this software
* without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*
* from: Utah $Hdr: autoconf.c 1.36 92/12/20$
*
* @(#)autoconf.c 8.2 (Berkeley) 1/12/94
*/
/*
* Copyright (c) 1988 University of Utah.
*
* This code is derived from software contributed to Berkeley by
* the Systems Programming Group of the University of Utah Computer
* Science Department.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* 3. All advertising materials mentioning features or use of this software
* must display the following acknowledgement:
* This product includes software developed by the University of
* California, Berkeley and its contributors.
* 4. Neither the name of the University nor the names of its contributors
* may be used to endorse or promote products derived from this software
* without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*
* from: Utah $Hdr: autoconf.c 1.36 92/12/20$
*
* @(#)autoconf.c 8.2 (Berkeley) 1/12/94
*/
/*
* Setup the system to run on the current machine.
*
* Configure() is called at boot time.
*/
#include <sys/cdefs.h>
__KERNEL_RCSID(0, "$NetBSD: autoconf.c,v 1.44 2008/01/12 09:54:28 tsutsui Exp $");
#include <sys/param.h>
#include <sys/systm.h>
#include <sys/buf.h>
#include <sys/conf.h>
#include <sys/reboot.h>
#include <sys/device.h>
#include <machine/vmparam.h>
#include <machine/disklabel.h>
#include <machine/cpu.h>
#include <machine/autoconf.h>
#include <machine/pte.h>
#include <dev/scsipi/scsi_all.h>
#include <dev/scsipi/scsipi_all.h>
#include <dev/scsipi/scsiconf.h>
#include <mvme68k/mvme68k/isr.h>
#ifdef MVME147
#include <mvme68k/dev/pccreg.h>
#endif
#if defined(MVME162) || defined(MVME167) || defined(MVME172) || defined(MVME177)
#include <dev/mvme/pcctworeg.h>
#endif
/*
* Determine mass storage and memory configuration for a machine.
*/
void
cpu_configure(void)
{
booted_device = NULL; /* set by device drivers (if found) */
/* Initialise interrupt handlers */
isrinit();
if (config_rootfound("mainbus", NULL) == NULL)
panic("autoconfig failed, no root");
}
void
cpu_rootconf(void)
{
printf("boot device: %s",
(booted_device) ? booted_device->dv_xname : "<unknown>");
if (bootpart)
printf(" (partition %d)\n", bootpart);
else
printf("\n");
setroot(booted_device, bootpart);
}
void
device_register(struct device *dev, void *aux)
{
static struct device *controller;
static int foundboot;
struct device *parent = device_parent(dev);
if (foundboot)
return;
if (controller == NULL && parent) {
switch (machineid) {
#ifdef MVME147
case MVME_147:
/*
* We currently only support booting from the 147's
* onboard scsi and ethernet. So ensure this
* device's parent is the PCC driver.
*/
if (!device_is_a(parent, "pcc"))
return;
if (bootaddr == PCC_PADDR(PCC_WDSC_OFF) &&
device_is_a(dev, "wdsc")) {
controller = dev;
return;
}
if (bootaddr == PCC_PADDR(PCC_LE_OFF) &&
device_is_a(dev, "le")) {
booted_device = dev;
foundboot = 1;
return;
}
break;
#endif /* MVME_147 */
#if defined(MVME162) || defined(MVME167) || defined(MVME172) || defined(MVME177)
case MVME_162:
case MVME_167:
case MVME_172:
case MVME_177:
/*
* We currently only support booting from the 16x and
* 17x onboard scsi and ethernet. So ensure this
* device's parent is the PCCTWO driver.
*/
if (!device_is_a(parent, "pcctwo"))
return;
if (bootaddr == PCCTWO_PADDR(PCCTWO_NCRSC_OFF) &&
device_is_a(dev, "osiop")) {
controller = dev;
return;
}
if (bootaddr == PCCTWO_PADDR(PCCTWO_IE_OFF) &&
device_is_a(dev, "ie")) {
booted_device = dev;
foundboot = 1;
return;
}
break;
#endif /* MVME_162 || MVME_167 || MVME_172 || MVME_177 */
default:
break;
}
return;
}
/*
* Find out which device on the scsibus we booted from
*/
if (device_is_a(dev, "sd") ||
device_is_a(dev, "cd") ||
device_is_a(dev, "st")) {
struct scsipibus_attach_args *sa = aux;
if (device_parent(parent) != controller ||
bootdevlun != sa->sa_periph->periph_target)
return;
booted_device = dev;
foundboot = 1;
}
}