autoconf.c revision 92843
166458Sdfr/*- 266458Sdfr * Copyright (c) 1998 Doug Rabson 366458Sdfr * All rights reserved. 466458Sdfr * 566458Sdfr * Redistribution and use in source and binary forms, with or without 666458Sdfr * modification, are permitted provided that the following conditions 766458Sdfr * are met: 866458Sdfr * 1. Redistributions of source code must retain the above copyright 966458Sdfr * notice, this list of conditions and the following disclaimer. 1066458Sdfr * 2. Redistributions in binary form must reproduce the above copyright 1166458Sdfr * notice, this list of conditions and the following disclaimer in the 1266458Sdfr * documentation and/or other materials provided with the distribution. 1366458Sdfr * 1466458Sdfr * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 1566458Sdfr * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 1666458Sdfr * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 1766458Sdfr * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 1866458Sdfr * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 1966458Sdfr * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 2066458Sdfr * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 2166458Sdfr * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 2266458Sdfr * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 2366458Sdfr * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 2466458Sdfr * SUCH DAMAGE. 2566458Sdfr * 2666458Sdfr * $FreeBSD: head/sys/ia64/ia64/autoconf.c 92843 2002-03-20 23:30:31Z alfred $ 2766458Sdfr */ 2866458Sdfr 2966458Sdfr#include "opt_bootp.h" 3071785Speter#include "opt_isa.h" 3166458Sdfr#include "opt_nfs.h" 3266458Sdfr#include "opt_nfsroot.h" 3366458Sdfr 3466458Sdfr#include <sys/param.h> 3566458Sdfr#include <sys/systm.h> 3666458Sdfr#include <sys/conf.h> 3766458Sdfr#include <sys/disklabel.h> 3866458Sdfr#include <sys/diskslice.h> /* for BASE_SLICE, MAX_SLICES */ 3966458Sdfr#include <sys/reboot.h> 4066458Sdfr#include <sys/kernel.h> 4166458Sdfr#include <sys/mount.h> 4266458Sdfr#include <sys/sysctl.h> 4366458Sdfr#include <sys/bus.h> 4466458Sdfr#include <sys/devicestat.h> 4566458Sdfr#include <sys/cons.h> 4666458Sdfr 4766458Sdfr#include <machine/md_var.h> 4866458Sdfr#include <machine/bootinfo.h> 4966458Sdfr 5066458Sdfr#include <cam/cam.h> 5166458Sdfr#include <cam/cam_ccb.h> 5266458Sdfr#include <cam/cam_sim.h> 5366458Sdfr#include <cam/cam_periph.h> 5466458Sdfr#include <cam/cam_xpt_sim.h> 5566458Sdfr#include <cam/cam_debug.h> 5666458Sdfr 5792843Salfredstatic void configure(void *); 5866458SdfrSYSINIT(configure, SI_SUB_CONFIGURE, SI_ORDER_THIRD, configure, NULL) 5966458Sdfr 6071785Speter#ifdef DEV_ISA 6166458Sdfr#include <isa/isavar.h> 6266458Sdfrdevice_t isa_bus_device = 0; 6366458Sdfr#endif 6466458Sdfr 6583651Speterextern int nfs_diskless_valid; /* XXX use include file */ 6666458Sdfr 6766458Sdfrdev_t rootdev = NODEV; 6866458Sdfrdev_t dumpdev = NODEV; 6966458Sdfr 7066458Sdfr/* 7166458Sdfr * Determine i/o configuration for a machine. 7266458Sdfr */ 7366458Sdfrstatic void 7466458Sdfrconfigure(void *dummy) 7566458Sdfr{ 7666458Sdfr device_add_child(root_bus, "nexus", 0); 7766458Sdfr 7866458Sdfr root_bus_configure(); 7966458Sdfr 8066458Sdfr /* 8166458Sdfr * Probe ISA devices after everything. 8266458Sdfr */ 8371785Speter#ifdef DEV_ISA 8466458Sdfr if (isa_bus_device) 8566458Sdfr isa_probe_children(isa_bus_device); 8666458Sdfr#endif 8766458Sdfr 8866458Sdfr /* 8966458Sdfr * Now we're ready to handle (pending) interrupts. 9066458Sdfr * XXX this is slightly misplaced. 9166458Sdfr */ 9267032Sdfr enable_intr(); 9366458Sdfr 9466458Sdfr cold = 0; 9566458Sdfr} 9666458Sdfr 9766458Sdfr/* 9866458Sdfr * Do legacy root filesystem discovery. This isn't really 9966458Sdfr * needed on the Alpha, which has always used the loader. 10066458Sdfr */ 10166458Sdfrvoid 10266458Sdfrcpu_rootconf() 10366458Sdfr{ 10492676Speter#if defined(NFSCLIENT) && defined(NFS_ROOT) 10566458Sdfr int order = 0; 10692676Speter#endif 10792676Speter 10884557Sdfr#ifdef BOOTP 10984557Sdfr if (!ia64_running_in_simulator()) 11084557Sdfr bootpc_init(); 11184557Sdfr#endif 11283651Speter#if defined(NFSCLIENT) && defined(NFS_ROOT) 11366458Sdfr#if !defined(BOOTP_NFSROOT) 11466458Sdfr if (nfs_diskless_valid) 11566458Sdfr#endif 11666458Sdfr rootdevnames[order++] = "nfs:"; 11766458Sdfr#endif 11866458Sdfr} 11966458SdfrSYSINIT(cpu_rootconf, SI_SUB_ROOT_CONF, SI_ORDER_FIRST, cpu_rootconf, NULL) 120