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autoconf.c revision 1.2 
      1 /* $NetBSD: autoconf.c,v 1.2 2002/09/11 08:30:48 simonb 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/param.h>
     40 #include <sys/systm.h>
     41 #include <sys/conf.h>
     42 
     43 #include <sys/socket.h>		/* these three just to get ETHER_ADDR_LEN(!) */
     44 #include <net/if.h>
     45 #include <net/if_ether.h>
     46 
     47 #include <machine/bus.h>
     48 #include <machine/yamon.h>
     49 
     50 #include <mips/alchemy/include/aureg.h>
     51 #include <mips/alchemy/include/auvar.h>
     52 #include <mips/alchemy/include/aubusvar.h>
     53 
     54 static struct device	*booted_device;
     55 static int		 booted_partition;
     56 
     57 /*
     58  * Configure all devices on system
     59  */
     60 void
     61 cpu_configure(void)
     62 {
     63 
     64 	intr_init();
     65 
     66 	/* Kick off autoconfiguration. */
     67 	(void)splhigh();
     68 	if (config_rootfound("mainbus", "mainbus") == NULL)
     69 		panic("no mainbus found");
     70 	(void)spl0();
     71 }
     72 
     73 void
     74 cpu_rootconf(void)
     75 {
     76 
     77 	setroot(booted_device, booted_partition);
     78 }
     79 
     80 void
     81 device_register(struct device *dev, void *aux)
     82 {
     83 	struct cfdata *cf = dev->dv_cfdata;
     84 	struct cfdriver *cd = cf->cf_driver;
     85 	struct aubus_attach_args *aa = aux;
     86 
     87 	/*
     88 	 * We don't ever know the boot device.  But that's because the
     89 	 * firmware only loads from the network.
     90 	 */
     91 
     92 	/* Fetch the MAC addresses from YAMON. */
     93 	if (strcmp(cd->cd_name, "aumac") == 0) {
     94 		uint8_t ethaddr[ETHER_ADDR_LEN];
     95 		char prop_name[sizeof("0xffffffff:mac-addr") + 1];
     96 		const char *cp;
     97 		char *cp0;
     98 		int i;
     99 
    100 		/* Get the Ethernet address of the first on-board Ethernet. */
    101 #if defined(ETHADDR)
    102 		cp = ETHADDR;
    103 #else
    104 		cp = yamon_getenv("ethaddr");
    105 #endif
    106 		if (cp != NULL) {
    107 			for (i = 0; i < ETHER_ADDR_LEN; i++) {
    108 				ethaddr[i] = strtoul(cp, &cp0, 16);
    109 				cp = cp0 + 1;
    110 			}
    111 			if (aa->aa_addr != MAC0_BASE &&
    112 			    aa->aa_addr != AU1500_MAC0_BASE) {
    113 				/* XXX
    114 				 * The PROM has a variable for the MAC address
    115 				 * of the first interface.  For now, just add
    116 				 * 0x10 to the second last octet(!) for the
    117 				 * second interface (Linux does the same).
    118 				 */
    119 				ethaddr[4] += 0x10;
    120 			}
    121 
    122 			snprintf(prop_name, sizeof(prop_name), "%p:mac-addr",
    123 			    dev);
    124 			if (alchemy_info_set(prop_name, ethaddr,
    125 			    sizeof(ethaddr), 0, 0))
    126 				panic("can't set mac address property for "
    127 				    "aumac");
    128 		}
    129 	}
    130 }
    131