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      1 /*	$NetBSD: autoconf.c,v 1.6 2015/01/10 14:07:26 jmcneill 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 "opt_md.h"
     39 
     40 #include <sys/cdefs.h>
     41 __KERNEL_RCSID(0, "$NetBSD: autoconf.c,v 1.6 2015/01/10 14:07:26 jmcneill Exp $");
     42 
     43 #include <sys/param.h>
     44 #include <sys/systm.h>
     45 #include <sys/buf.h>
     46 #include <sys/conf.h>
     47 #include <sys/device.h>
     48 #include <sys/cpu.h>
     49 #include <evbmips/loongson/autoconf.h>
     50 
     51 #ifndef MEMORY_DISK_IS_ROOT
     52 static void	findroot(void);
     53 #endif
     54 
     55 enum devclass bootdev_class = DV_DULL;
     56 char          bootdev[16];
     57 extern const struct platform *sys_platform;
     58 
     59 void
     60 cpu_configure(void)
     61 {
     62 
     63 	intr_init();
     64 
     65 	/* Kick off autoconfiguration. */
     66 	(void)splhigh();
     67 	if (config_rootfound("mainbus", NULL) == NULL)
     68 		panic("no mainbus found");
     69 
     70 	/*
     71 	 * Hardware interrupts will be enabled in
     72 	 * sys/arch/mips/mips/mips3_clockintr.c:mips3_initclocks()
     73 	 * to avoid hardclock(9) by CPU INT5 before softclockintr is
     74 	 * initialized in initclocks().
     75 	 */
     76 }
     77 
     78 void
     79 cpu_rootconf(void)
     80 {
     81 #ifndef MEMORY_DISK_IS_ROOT
     82 	findroot();
     83 #endif
     84 
     85 	printf("boot device: %s\n",
     86 		booted_device ? device_xname(booted_device) : "<unknown>");
     87 
     88 	rootconf();
     89 }
     90 
     91 extern char	bootstring[];
     92 extern int	netboot;
     93 
     94 #ifndef MEMORY_DISK_IS_ROOT
     95 static void
     96 findroot(void)
     97 {
     98 	device_t dv;
     99 	deviter_t di;
    100 
    101 	if (booted_device)
    102 		return;
    103 
    104 	if ((booted_device == NULL) && netboot == 0) {
    105 		for (dv = deviter_first(&di, DEVITER_F_ROOT_FIRST); dv != NULL;
    106 		     dv = deviter_next(&di)) {
    107 			if (device_class(dv) == DV_DISK &&
    108 			    device_is_a(dv, "wd"))
    109 				    booted_device = dv;
    110 		}
    111 		deviter_release(&di);
    112 	}
    113 
    114 	/*
    115 	 * XXX Match up MBR boot specification with BSD disklabel for root?
    116 	 */
    117 	booted_partition = 0;
    118 
    119 	return;
    120 }
    121 #endif
    122 
    123 void
    124 device_register(device_t dev, void *aux)
    125 {
    126 	prop_dictionary_t dict;
    127 
    128 	if ((booted_device == NULL) && (netboot == 1))
    129 		if (device_class(dev) == DV_IFNET)
    130 			booted_device = dev;
    131 
    132 	if (sys_platform->device_register != NULL) {
    133 		sys_platform->device_register(dev, aux);
    134 	}
    135 
    136 	/* is this yeeloong specific? */
    137 	if (device_is_a(dev, "lynxfb")) {
    138 		dict = device_properties(dev);
    139 		/*
    140 		 * this is a hack
    141 		 * is_console and address need to be checked against reality
    142 		 */
    143 		prop_dictionary_set_bool(dict, "is_console", 1);
    144 		prop_dictionary_set_uint32(dict, "width", 1024);
    145 		prop_dictionary_set_uint32(dict, "height", 600);
    146 		prop_dictionary_set_uint32(dict, "depth", 16);
    147 		prop_dictionary_set_uint32(dict, "linebytes", 2048);
    148 		prop_dictionary_set_bool(dict, "swapBR", 1);
    149 	}
    150 }
    151