autoconf.c revision 93794
113240Sprr/*- 213240Sprr * Copyright (c) 1998 Doug Rabson 313240Sprr * All rights reserved. 413240Sprr * 513240Sprr * Redistribution and use in source and binary forms, with or without 613240Sprr * modification, are permitted provided that the following conditions 713240Sprr * are met: 813240Sprr * 1. Redistributions of source code must retain the above copyright 913240Sprr * notice, this list of conditions and the following disclaimer. 1013240Sprr * 2. Redistributions in binary form must reproduce the above copyright 1113240Sprr * notice, this list of conditions and the following disclaimer in the 1213240Sprr * documentation and/or other materials provided with the distribution. 1313240Sprr * 1413240Sprr * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 1513240Sprr * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 1613240Sprr * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 1713240Sprr * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 1813240Sprr * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 1913240Sprr * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 2013240Sprr * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 2113240Sprr * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 2213240Sprr * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 2313240Sprr * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 2413240Sprr * SUCH DAMAGE. 2513240Sprr * 2613240Sprr * $FreeBSD: head/sys/ia64/ia64/autoconf.c 93794 2002-04-04 17:58:21Z brian $ 2713240Sprr */ 2813240Sprr 2913240Sprr#include "opt_bootp.h" 3013240Sprr#include "opt_isa.h" 3113240Sprr#include "opt_nfs.h" 3213240Sprr#include "opt_nfsroot.h" 3313240Sprr 3413240Sprr#include <sys/param.h> 3513240Sprr#include <sys/systm.h> 3613240Sprr#include <sys/conf.h> 3713240Sprr#include <sys/disklabel.h> 3813240Sprr#include <sys/diskslice.h> /* for BASE_SLICE, MAX_SLICES */ 3913240Sprr#include <sys/reboot.h> 4013240Sprr#include <sys/kernel.h> 4113240Sprr#include <sys/mount.h> 4213240Sprr#include <sys/sysctl.h> 4313240Sprr#include <sys/bus.h> 4413240Sprr#include <sys/devicestat.h> 4513240Sprr#include <sys/cons.h> 4613240Sprr 4713240Sprr#include <machine/md_var.h> 4813240Sprr#include <machine/bootinfo.h> 4913240Sprr 5016538Sprr#include <cam/cam.h> 5116538Sprr#include <cam/cam_ccb.h> 5216538Sprr#include <cam/cam_sim.h> 5313240Sprr#include <cam/cam_periph.h> 5413240Sprr#include <cam/cam_xpt_sim.h> 5513240Sprr#include <cam/cam_debug.h> 5613240Sprr 5716538Sprrstatic void configure(void *); 5816538SprrSYSINIT(configure, SI_SUB_CONFIGURE, SI_ORDER_THIRD, configure, NULL) 5916538Sprr 6016538Sprr#ifdef DEV_ISA 6113240Sprr#include <isa/isavar.h> 6213240Sprrdevice_t isa_bus_device = 0; 6313240Sprr#endif 6413240Sprr 6513240Sprrextern int nfs_diskless_valid; /* XXX use include file */ 6613240Sprr 6713240Sprr/* 68 * Determine i/o configuration for a machine. 69 */ 70static void 71configure(void *dummy) 72{ 73 device_add_child(root_bus, "nexus", 0); 74 75 root_bus_configure(); 76 77 /* 78 * Probe ISA devices after everything. 79 */ 80#ifdef DEV_ISA 81 if (isa_bus_device) 82 isa_probe_children(isa_bus_device); 83#endif 84 85 /* 86 * Now we're ready to handle (pending) interrupts. 87 * XXX this is slightly misplaced. 88 */ 89 enable_intr(); 90 91 cold = 0; 92} 93 94/* 95 * Do legacy root filesystem discovery. This isn't really 96 * needed on the Alpha, which has always used the loader. 97 */ 98void 99cpu_rootconf() 100{ 101#if defined(NFSCLIENT) && defined(NFS_ROOT) 102 int order = 0; 103#endif 104 105#ifdef BOOTP 106 if (!ia64_running_in_simulator()) 107 bootpc_init(); 108#endif 109#if defined(NFSCLIENT) && defined(NFS_ROOT) 110#if !defined(BOOTP_NFSROOT) 111 if (nfs_diskless_valid) 112#endif 113 rootdevnames[order++] = "nfs:"; 114#endif 115} 116SYSINIT(cpu_rootconf, SI_SUB_ROOT_CONF, SI_ORDER_FIRST, cpu_rootconf, NULL) 117