NetBSD-5.0.2/sys/arch/pmax/pmax/autoconf.c
/* $NetBSD: autoconf.c,v 1.71 2007/12/03 15:34:09 ad Exp $ */
/*
* Copyright (c) 1992, 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 and Ralph Campbell.
*
* 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 1.31 91/01/21
*
* @(#)autoconf.c 8.1 (Berkeley) 6/10/93
*/
/*
* 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 and Ralph Campbell.
*
* 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 1.31 91/01/21
*
* @(#)autoconf.c 8.1 (Berkeley) 6/10/93
*/
#include <sys/cdefs.h> /* RCS ID & Copyright macro defns */
__KERNEL_RCSID(0, "$NetBSD: autoconf.c,v 1.71 2007/12/03 15:34:09 ad Exp $");
#include <sys/param.h>
#include <sys/systm.h>
#include <sys/conf.h>
#include <sys/reboot.h>
#include <sys/device.h>
#include <machine/autoconf.h>
#include <machine/intr.h>
#include <machine/sysconf.h>
#include <pmax/pmax/pmaxtype.h>
#include <dev/tc/tcvar.h>
#include <dev/scsipi/scsi_all.h>
#include <dev/scsipi/scsipi_all.h>
#include <dev/scsipi/scsiconf.h>
#include "opt_dec_3100.h"
#include "opt_dec_5100.h"
struct intrhand intrtab[MAX_DEV_NCOOKIES];
static struct device *booted_controller;
static int booted_slot, booted_unit;
static const char *booted_protocol;
/*
* Configure all devices on system
*/
void
cpu_configure()
{
/* Kick off autoconfiguration. */
(void)splhigh();
evcnt_attach_static(&pmax_clock_evcnt);
evcnt_attach_static(&pmax_fpu_evcnt);
evcnt_attach_static(&pmax_memerr_evcnt);
if (config_rootfound("mainbus", NULL) == NULL)
panic("no mainbus found");
/* Reset any bus errors due to probing nonexistent devices. */
(*platform.bus_reset)();
/* Configuration is finished, turn on interrupts. */
_splnone(); /* enable all source forcing SOFT_INTs cleared */
}
/*
* Look at the string 'cp' and decode the boot device. Boot names
* can be something like 'rz(0,0,0)vmunix' or '5/rz0/vmunix'.
*
* 2100/3100/5100 allows abbrivation;
* dev(controller[,uni-number[,partition-number]]])[filename]
*/
void
makebootdev(cp)
char *cp;
{
booted_device = NULL;
booted_slot = booted_unit = booted_partition = 0;
booted_protocol = NULL;
#if defined(DEC_3100) || defined(DEC_5100)
if (cp[0] == 'r' && cp[1] == 'z' && cp[2] == '(') {
cp += 3;
if (*cp >= '0' && *cp <= '9')
booted_slot = *cp++ - '0';
if (*cp == ',')
cp += 1;
if (*cp >= '0' && *cp <= '9')
booted_unit = *cp++ - '0';
if (*cp == ',')
cp += 1;
if (*cp >= '0' && *cp <= '9')
booted_partition = *cp - '0';
booted_protocol = "SCSI";
return;
}
if (strncmp(cp, "tftp(", 5) == 0) {
booted_protocol = "BOOTP";
return;
}
if (strncmp(cp, "mop(", 4) == 0) {
booted_protocol = "MOP";
return;
}
#endif
if (cp[0] >= '0' && cp[0] <= '9' && cp[1] == '/') {
booted_slot = cp[0] - '0';
if (cp[2] == 'r' && cp[3] == 'z'
&& cp[4] >= '0' && cp[4] <= '9') {
booted_protocol = "SCSI";
booted_unit = cp[4] - '0';
}
else if (strncmp(cp+2, "tftp", 4) == 0)
booted_protocol = "BOOTP";
else if (strncmp(cp+2, "mop", 3) == 0)
booted_protocol = "MOP";
}
}
void
cpu_rootconf()
{
printf("boot device: %s\n",
booted_device ? booted_device->dv_xname : "<unknown>");
setroot(booted_device, booted_partition);
}
/*
* Try to determine the boot device.
*/
void
device_register(dev, aux)
struct device *dev;
void *aux;
{
static int found, initted, scsiboot, netboot;
static struct device *ioasicdev;
struct device *parent = device_parent(dev);
if (found)
return;
if (!initted) {
scsiboot = strcmp(booted_protocol, "SCSI") == 0;
netboot = (strcmp(booted_protocol, "BOOTP") == 0) ||
(strcmp(booted_protocol, "MOP") == 0);
initted = 1;
}
/*
* Check if IOASIC was the boot slot.
*/
if (device_is_a(dev, "ioasic")) {
struct tc_attach_args *ta = aux;
if (ta->ta_slot == booted_slot)
ioasicdev = dev;
return;
}
/*
* Check for ASC controller on either IOASIC or TC option card.
*/
if (scsiboot && device_is_a(dev, "asc")) {
struct tc_attach_args *ta = aux;
/*
* If boot was from IOASIC controller, ioasicdev will
* be the ASC parent.
* If boot was from a TC option card, the TC slot number
* of the ASC will match the boot slot.
*/
if (parent == ioasicdev ||
ta->ta_slot == booted_slot) {
booted_controller = dev;
return;
}
}
/*
* If an SII device is configured, it's currently the only
* possible SCSI boot device.
*/
if (scsiboot && device_is_a(dev, "sii")) {
booted_controller = dev;
return;
}
/*
* If we found the boot controller, if check disk/tape/cdrom device
* on that controller matches.
*/
if (booted_controller &&
(device_is_a(dev, "sd") ||
device_is_a(dev, "st") ||
device_is_a(dev, "cd"))) {
struct scsipibus_attach_args *sa = aux;
if (device_parent(parent) != booted_controller)
return;
if (booted_unit != sa->sa_periph->periph_target)
return;
booted_device = dev;
found = 1;
return;
}
/*
* Check if netboot device.
*/
if (netboot) {
struct tc_attach_args *ta = aux;
if ((
#if defined(DEC_3100) || defined(DEC_5100)
/* Only one Ethernet interface on 2100/3100/5100. */
systype == DS_PMAX || systype == DS_MIPSMATE ||
#endif
/* Only one Ethernet interface at IOASIC. */
parent == ioasicdev)
&& device_is_a(dev, "le")) {
booted_device = dev;
found = 1;
return;
}
/* allow any TC network adapter */
if (device_class(dev) == DV_IFNET &&
device_is_a(parent, "tc") &&
ta->ta_slot == booted_slot) {
booted_device = dev;
found = 1;
return;
}
}
}