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      1 /*	$NetBSD: autoconf.c,v 1.13 2023/12/20 15:29:05 thorpej Exp $	*/
      2 
      3 /*
      4  * Copyright (c) 1994-1998 Mark Brinicombe.
      5  * Copyright (c) 1994 Brini.
      6  * All rights reserved.
      7  *
      8  * Redistribution and use in source and binary forms, with or without
      9  * modification, are permitted provided that the following conditions
     10  * are met:
     11  * 1. Redistributions of source code must retain the above copyright
     12  *    notice, this list of conditions and the following disclaimer.
     13  * 2. Redistributions in binary form must reproduce the above copyright
     14  *    notice, this list of conditions and the following disclaimer in the
     15  *    documentation and/or other materials provided with the distribution.
     16  * 3. All advertising materials mentioning features or use of this software
     17  *    must display the following acknowledgement:
     18  *	This product includes software developed by Mark Brinicombe for
     19  *      the NetBSD project.
     20  * 4. The name of the company nor the name of the author may be used to
     21  *    endorse or promote products derived from this software without specific
     22  *    prior written permission.
     23  *
     24  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED
     25  * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
     26  * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
     27  * IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT,
     28  * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
     29  * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
     30  * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
     31  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
     32  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
     33  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
     34  * SUCH DAMAGE.
     35  *
     36  * RiscBSD kernel project
     37  *
     38  * autoconf.c
     39  *
     40  * Autoconfiguration functions
     41  *
     42  * Created      : 08/10/94
     43  */
     44 
     45 #include <sys/cdefs.h>
     46 __KERNEL_RCSID(0, "$NetBSD: autoconf.c,v 1.13 2023/12/20 15:29:05 thorpej Exp $");
     47 
     48 #include "opt_md.h"
     49 
     50 #include <sys/param.h>
     51 #include <sys/systm.h>
     52 #include <sys/reboot.h>
     53 #include <sys/disklabel.h>
     54 #include <sys/device.h>
     55 #include <sys/conf.h>
     56 #include <sys/kernel.h>
     57 #include <machine/bootconfig.h>
     58 #include <machine/intr.h>
     59 
     60 #include "isa.h"
     61 
     62 extern int footbridge_imask[NIPL];
     63 
     64 void isa_intr_init (void);
     65 
     66 /*
     67  * Set up the root device from the boot args
     68  */
     69 void
     70 cpu_rootconf(void)
     71 {
     72 	printf("boot device: %s\n",
     73 	    booted_device != NULL ? device_xname(booted_device) : "<unknown>");
     74 	rootconf();
     75 }
     76 
     77 
     78 /*
     79  * void cpu_configure()
     80  *
     81  * Configure all the root devices
     82  * The root devices are expected to configure their own children
     83  */
     84 void
     85 cpu_configure(void)
     86 {
     87 	/*
     88 	 * Since various PCI interrupts could be routed via the ICU
     89 	 * (for PCI devices in the bridge) we need to set up the ICU
     90 	 * now so that these interrupts can be established correctly
     91 	 * i.e. This is a hack.
     92 	 */
     93 	isa_intr_init();
     94 
     95 	config_rootfound("mainbus", NULL);
     96 
     97 #if defined(DEBUG)
     98 	/* Debugging information */
     99 	printf("ipl_bio=%08x ipl_net=%08x ipl_tty=%08x ipl_vm=%08x\n",
    100 	    footbridge_imask[IPL_BIO], footbridge_imask[IPL_NET],
    101 	    footbridge_imask[IPL_TTY], footbridge_imask[IPL_VM]);
    102 
    103 	printf("ipl_audio=%08x ipl_imp=%08x ipl_high=%08x ipl_serial=%08x\n",
    104 	    footbridge_imask[IPL_AUDIO], footbridge_imask[IPL_CLOCK],
    105 	    footbridge_imask[IPL_HIGH], footbridge_imask[IPL_SERIAL]);
    106 #endif /* defined(DEBUG) */
    107 
    108 	/* Time to start taking interrupts so lets open the flood gates .... */
    109 	(void)spl0();
    110 }
    111 
    112 void
    113 device_register(device_t dev, void *aux)
    114 {
    115 }
    116 /* End of autoconf.c */
    117