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autoconf.c revision 1.5 
      1 /*	$NetBSD: autoconf.c,v 1.5 2013/03/13 21:17:43 macallan 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 1.5 2013/03/13 21:17:43 macallan 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 #include <evbmips/loongson/autoconf.h>
     48 
     49 static void	findroot(void);
     50 
     51 enum devclass bootdev_class = DV_DULL;
     52 char          bootdev[16];
     53 extern const struct platform *sys_platform;
     54 
     55 void
     56 cpu_configure(void)
     57 {
     58 
     59 	intr_init();
     60 
     61 	/* Kick off autoconfiguration. */
     62 	(void)splhigh();
     63 	if (config_rootfound("mainbus", NULL) == NULL)
     64 		panic("no mainbus found");
     65 
     66 	/*
     67 	 * Hardware interrupts will be enabled in
     68 	 * sys/arch/mips/mips/mips3_clockintr.c:mips3_initclocks()
     69 	 * to avoid hardclock(9) by CPU INT5 before softclockintr is
     70 	 * initialized in initclocks().
     71 	 */
     72 }
     73 
     74 void
     75 cpu_rootconf(void)
     76 {
     77 	findroot();
     78 
     79 	printf("boot device: %s\n",
     80 		booted_device ? device_xname(booted_device) : "<unknown>");
     81 
     82 	rootconf();
     83 }
     84 
     85 extern char	bootstring[];
     86 extern int	netboot;
     87 
     88 static void
     89 findroot(void)
     90 {
     91 	device_t dv;
     92 	deviter_t di;
     93 
     94 	if (booted_device)
     95 		return;
     96 
     97 	if ((booted_device == NULL) && netboot == 0) {
     98 		for (dv = deviter_first(&di, DEVITER_F_ROOT_FIRST); dv != NULL;
     99 		     dv = deviter_next(&di)) {
    100 			if (device_class(dv) == DV_DISK &&
    101 			    device_is_a(dv, "wd"))
    102 				    booted_device = dv;
    103 		}
    104 		deviter_release(&di);
    105 	}
    106 
    107 	/*
    108 	 * XXX Match up MBR boot specification with BSD disklabel for root?
    109 	 */
    110 	booted_partition = 0;
    111 
    112 	return;
    113 }
    114 
    115 void
    116 device_register(device_t dev, void *aux)
    117 {
    118 	prop_dictionary_t dict;
    119 
    120 	if ((booted_device == NULL) && (netboot == 1))
    121 		if (device_class(dev) == DV_IFNET)
    122 			booted_device = dev;
    123 
    124 	if (sys_platform->device_register != NULL) {
    125 		sys_platform->device_register(dev, aux);
    126 	}
    127 
    128 	/* is this yeeloong specific? */
    129 	if (device_is_a(dev, "lynxfb")) {
    130 		dict = device_properties(dev);
    131 		/*
    132 		 * this is a hack
    133 		 * is_console and address need to be checked against reality
    134 		 */
    135 		prop_dictionary_set_bool(dict, "is_console", 1);
    136 		prop_dictionary_set_uint32(dict, "width", 1024);
    137 		prop_dictionary_set_uint32(dict, "height", 600);
    138 		prop_dictionary_set_uint32(dict, "depth", 16);
    139 		prop_dictionary_set_uint32(dict, "linebytes", 2048);
    140 		prop_dictionary_set_bool(dict, "swapBR", 1);
    141 	}
    142 }
    143