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autoconf.c revision 1.17 
      1 /* $NetBSD: autoconf.c,v 1.17 2010/01/22 08:56:05 martin 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  *
     19  * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
     20  * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
     21  * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
     22  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
     23  * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
     24  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
     25  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
     26  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
     27  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
     28  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
     29  * POSSIBILITY OF SUCH DAMAGE.
     30  */
     31 
     32 #include <sys/cdefs.h>
     33 __KERNEL_RCSID(0, "$NetBSD: autoconf.c,v 1.17 2010/01/22 08:56:05 martin Exp $");
     34 
     35 #include <sys/param.h>
     36 #include <sys/systm.h>
     37 #include <sys/conf.h>
     38 #include <sys/device.h>
     39 #include <sys/bus.h>
     40 
     41 #include <sys/socket.h>		/* these three just to get ETHER_ADDR_LEN(!) */
     42 #include <net/if.h>
     43 #include <net/if_ether.h>
     44 
     45 #include <machine/yamon.h>
     46 
     47 #include <mips/alchemy/include/aureg.h>
     48 #include <mips/alchemy/include/auvar.h>
     49 #include <mips/alchemy/include/aubusvar.h>
     50 
     51 /*
     52  * Configure all devices on system
     53  */
     54 void
     55 cpu_configure(void)
     56 {
     57 
     58 	intr_init();
     59 
     60 	/* Kick off autoconfiguration. */
     61 	(void)splhigh();
     62 	if (config_rootfound("mainbus", NULL) == NULL)
     63 		panic("no mainbus found");
     64 
     65 	/*
     66 	 * Hardware interrupts will be enabled in
     67 	 * sys/arch/mips/mips/mips3_clockintr.c:mips3_initclocks()
     68 	 * to avoid hardclock(9) by CPU INT5 before softclockintr is
     69 	 * initialized in initclocks().
     70 	 */
     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 aubus_attach_args *aa = aux;
     84 
     85 	/*
     86 	 * We don't ever know the boot device.  But that's because the
     87 	 * firmware only loads from the network.
     88 	 */
     89 
     90 	/* Fetch the MAC addresses from YAMON. */
     91 	if (device_is_a(dev, "aumac")) {
     92 		prop_data_t pd;
     93 		const char *cp;
     94 		char *cp0;
     95 		int i;
     96 		uint8_t ethaddr[ETHER_ADDR_LEN];
     97 
     98 		/* Get the Ethernet address of the first on-board Ethernet. */
     99 #if defined(ETHADDR)
    100 		cp = ETHADDR;
    101 #else
    102 		cp = yamon_getenv("ethaddr");
    103 #endif
    104 		if (cp != NULL) {
    105 			for (i = 0; i < ETHER_ADDR_LEN; i++) {
    106 				ethaddr[i] = strtoul(cp, &cp0, 16);
    107 				cp = cp0 + 1;
    108 			}
    109 			if (aa->aa_addr != MAC0_BASE &&
    110 			    aa->aa_addr != AU1500_MAC0_BASE) {
    111 				/* XXX
    112 				 * The PROM has a variable for the MAC address
    113 				 * of the first interface.  For now, just add
    114 				 * 0x10 to the second last octet(!) for the
    115 				 * second interface (Linux does the same).
    116 				 */
    117 				ethaddr[4] += 0x10;
    118 			}
    119 			pd = prop_data_create_data(ethaddr, ETHER_ADDR_LEN);
    120 			KASSERT(pd != NULL);
    121 			if (prop_dictionary_set(device_properties(dev),
    122 						"mac-address", pd) == false) {
    123 				printf("WARNING: unable to set mac-addr "
    124 				    "property for %s\n", dev->dv_xname);
    125 			}
    126 			prop_object_release(pd);
    127 		}
    128 	}
    129 }
    130