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autoconf.c revision 1.2 
      1 /*	$NetBSD: autoconf.c,v 1.2 2012/03/02 13:20:57 nonaka Exp $	*/
      2 
      3 /*
      4  * Copyright 2002 Wasabi Systems, Inc.
      5  * All rights reserved.
      6  *
      7  * Written by Simon Burge for Wasabi Systems, Inc.
      8  *
      9  * Redistribution and use in source and binary forms, with or without
     10  * modification, are permitted provided that the following conditions
     11  * are met:
     12  * 1. Redistributions of source code must retain the above copyright
     13  *    notice, this list of conditions and the following disclaimer.
     14  * 2. Redistributions in binary form must reproduce the above copyright
     15  *    notice, this list of conditions and the following disclaimer in the
     16  *    documentation and/or other materials provided with the distribution.
     17  * 3. All advertising materials mentioning features or use of this software
     18  *    must display the following acknowledgement:
     19  *      This product includes software developed for the NetBSD Project by
     20  *      Wasabi Systems, Inc.
     21  * 4. The name of Wasabi Systems, Inc. may not be used to endorse
     22  *    or promote products derived from this software without specific prior
     23  *    written permission.
     24  *
     25  * THIS SOFTWARE IS PROVIDED BY WASABI SYSTEMS, INC. ``AS IS'' AND
     26  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
     27  * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
     28  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL WASABI SYSTEMS, INC
     29  * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
     30  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
     31  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
     32  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
     33  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
     34  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
     35  * POSSIBILITY OF SUCH DAMAGE.
     36  */
     37 
     38 #include <sys/cdefs.h>
     39 __KERNEL_RCSID(0, "$NetBSD: autoconf.c,v 1.2 2012/03/02 13:20:57 nonaka Exp $");
     40 
     41 #include <sys/param.h>
     42 #include <sys/systm.h>
     43 #include <sys/buf.h>
     44 #include <sys/conf.h>
     45 #include <sys/device.h>
     46 #include <sys/cpu.h>
     47 
     48 static void	findroot(void);
     49 
     50 enum devclass bootdev_class = DV_DULL;
     51 char          bootdev[16];
     52 
     53 void
     54 cpu_configure(void)
     55 {
     56 
     57 	intr_init();
     58 
     59 	/* Kick off autoconfiguration. */
     60 	(void)splhigh();
     61 	if (config_rootfound("mainbus", NULL) == NULL)
     62 		panic("no mainbus found");
     63 
     64 	/*
     65 	 * Hardware interrupts will be enabled in
     66 	 * sys/arch/mips/mips/mips3_clockintr.c:mips3_initclocks()
     67 	 * to avoid hardclock(9) by CPU INT5 before softclockintr is
     68 	 * initialized in initclocks().
     69 	 */
     70 }
     71 
     72 void
     73 cpu_rootconf(void)
     74 {
     75 	findroot();
     76 
     77 	printf("boot device: %s\n",
     78 		booted_device ? booted_device->dv_xname : "<unknown>");
     79 
     80 	setroot(booted_device, booted_partition);
     81 }
     82 
     83 extern char	bootstring[];
     84 extern int	netboot;
     85 
     86 static void
     87 findroot(void)
     88 {
     89 	device_t dv;
     90 	deviter_t di;
     91 
     92 	if (booted_device)
     93 		return;
     94 
     95 	if ((booted_device == NULL) && netboot == 0) {
     96 		for (dv = deviter_first(&di, DEVITER_F_ROOT_FIRST); dv != NULL;
     97 		     dv = deviter_next(&di)) {
     98 			if (device_class(dv) == DV_DISK &&
     99 			    device_is_a(dv, "wd"))
    100 				    booted_device = dv;
    101 		}
    102 		deviter_release(&di);
    103 	}
    104 
    105 	/*
    106 	 * XXX Match up MBR boot specification with BSD disklabel for root?
    107 	 */
    108 	booted_partition = 0;
    109 
    110 	return;
    111 }
    112 
    113 void
    114 device_register(struct device *dev, void *aux)
    115 {
    116 	prop_dictionary_t dict;
    117 
    118 	if ((booted_device == NULL) && (netboot == 1))
    119 		if (device_class(dev) == DV_IFNET)
    120 			booted_device = dev;
    121 	if (device_is_a(dev, "genfb")) {
    122 		dict = device_properties(dev);
    123 		/*
    124 		 * this is a hack
    125 		 * is_console and address need to be checked against reality
    126 		 */
    127 		prop_dictionary_set_bool(dict, "is_console", 1);
    128 		prop_dictionary_set_uint32(dict, "width", 1024);
    129 		prop_dictionary_set_uint32(dict, "height", 600);
    130 		prop_dictionary_set_uint32(dict, "depth", 16);
    131 		prop_dictionary_set_uint32(dict, "linebytes", 2048);
    132 		prop_dictionary_set_uint32(dict, "address", 0x04000000);
    133 	}
    134 	if (device_is_a(dev, "lynxfb")) {
    135 		dict = device_properties(dev);
    136 		/*
    137 		 * this is a hack
    138 		 * is_console and address need to be checked against reality
    139 		 */
    140 		prop_dictionary_set_bool(dict, "is_console", 1);
    141 		prop_dictionary_set_uint32(dict, "width", 1024);
    142 		prop_dictionary_set_uint32(dict, "height", 600);
    143 		prop_dictionary_set_uint32(dict, "depth", 16);
    144 		prop_dictionary_set_uint32(dict, "linebytes", 2048);
    145 		prop_dictionary_set_bool(dict, "swapBR", 1);
    146 	}
    147 }
    148