autoconf.c revision 1.6 
1/* $NetBSD: autoconf.c,v 1.6 2003/07/15 01:37:31 lukem 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 1.6 2003/07/15 01:37:31 lukem 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
57static struct device	*booted_device;
58static int		 booted_partition;
59
60/*
61 * Configure all devices on system
62 */
63void
64cpu_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
76void
77cpu_rootconf(void)
78{
79
80	setroot(booted_device, booted_partition);
81}
82
83void
84device_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