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autoconf.c revision 1.4.6.1 
      1 /* $NetBSD: autoconf.c,v 1.4.6.1 2004/08/03 10:34:08 skrll Exp $ */
      2 
      3 /*-
      4  * Copyright (c) 2001 The NetBSD Foundation, Inc.
      5  * All rights reserved.
      6  *
      7  * This code is derived from software contributed to The NetBSD Foundation
      8  * by Jason R. Thorpe.
      9  *
     10  * Redistribution and use in source and binary forms, with or without
     11  * modification, are permitted provided that the following conditions
     12  * are met:
     13  * 1. Redistributions of source code must retain the above copyright
     14  *    notice, this list of conditions and the following disclaimer.
     15  * 2. Redistributions in binary form must reproduce the above copyright
     16  *    notice, this list of conditions and the following disclaimer in the
     17  *    documentation and/or other materials provided with the distribution.
     18  * 3. All advertising materials mentioning features or use of this software
     19  *    must display the following acknowledgement:
     20  *	This product includes software developed by the NetBSD
     21  *	Foundation, Inc. and its contributors.
     22  * 4. Neither the name of The NetBSD Foundation nor the names of its
     23  *    contributors may be used to endorse or promote products derived
     24  *    from this software without specific prior written permission.
     25  *
     26  * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
     27  * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
     28  * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
     29  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
     30  * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
     31  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
     32  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
     33  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
     34  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
     35  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
     36  * POSSIBILITY OF SUCH DAMAGE.
     37  */
     38 
     39 #include <sys/cdefs.h>
     40 __KERNEL_RCSID(0, "$NetBSD: autoconf.c,v 1.4.6.1 2004/08/03 10:34:08 skrll Exp $");
     41 
     42 #include <sys/param.h>
     43 #include <sys/systm.h>
     44 #include <sys/conf.h>
     45 
     46 #include <sys/socket.h>		/* these three just to get ETHER_ADDR_LEN(!) */
     47 #include <net/if.h>
     48 #include <net/if_ether.h>
     49 
     50 #include <machine/bus.h>
     51 #include <machine/yamon.h>
     52 
     53 #include <mips/alchemy/include/aureg.h>
     54 #include <mips/alchemy/include/auvar.h>
     55 #include <mips/alchemy/include/aubusvar.h>
     56 
     57 static struct device	*booted_device;
     58 static int		 booted_partition;
     59 
     60 /*
     61  * Configure all devices on system
     62  */
     63 void
     64 cpu_configure(void)
     65 {
     66 
     67 	intr_init();
     68 
     69 	/* Kick off autoconfiguration. */
     70 	(void)splhigh();
     71 	if (config_rootfound("mainbus", "mainbus") == NULL)
     72 		panic("no mainbus found");
     73 	(void)spl0();
     74 }
     75 
     76 void
     77 cpu_rootconf(void)
     78 {
     79 
     80 	setroot(booted_device, booted_partition);
     81 }
     82 
     83 void
     84 device_register(struct device *dev, void *aux)
     85 {
     86 	struct cfdata *cf = dev->dv_cfdata;
     87 	const char *name = cf->cf_name;
     88 	struct aubus_attach_args *aa = aux;
     89 
     90 	/*
     91 	 * We don't ever know the boot device.  But that's because the
     92 	 * firmware only loads from the network.
     93 	 */
     94 
     95 	/* Fetch the MAC addresses from YAMON. */
     96 	if (strcmp(name, "aumac") == 0) {
     97 		uint8_t ethaddr[ETHER_ADDR_LEN];
     98 		const char *cp;
     99 		char *cp0;
    100 		int i;
    101 
    102 		/* Get the Ethernet address of the first on-board Ethernet. */
    103 #if defined(ETHADDR)
    104 		cp = ETHADDR;
    105 #else
    106 		cp = yamon_getenv("ethaddr");
    107 #endif
    108 		if (cp != NULL) {
    109 			for (i = 0; i < ETHER_ADDR_LEN; i++) {
    110 				ethaddr[i] = strtoul(cp, &cp0, 16);
    111 				cp = cp0 + 1;
    112 			}
    113 			if (aa->aa_addr != MAC0_BASE &&
    114 			    aa->aa_addr != AU1500_MAC0_BASE) {
    115 				/* XXX
    116 				 * The PROM has a variable for the MAC address
    117 				 * of the first interface.  For now, just add
    118 				 * 0x10 to the second last octet(!) for the
    119 				 * second interface (Linux does the same).
    120 				 */
    121 				ethaddr[4] += 0x10;
    122 			}
    123 			if (prop_set(dev_propdb, dev, "mac-addr",
    124 				     ethaddr, sizeof(ethaddr), 0, 0) != 0) {
    125 				printf("WARNING: unable to set mac-addr "
    126 				    "property for %s\n", dev->dv_xname);
    127 			}
    128 		}
    129 	}
    130 }
    131