autoconf.c revision 1.4 
1/* $NetBSD: autoconf.c,v 1.4 2002/09/27 02:24:13 thorpej 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
54static struct device	*booted_device;
55static int		 booted_partition;
56
57/*
58 * Configure all devices on system
59 */
60void
61cpu_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
73void
74cpu_rootconf(void)
75{
76
77	setroot(booted_device, booted_partition);
78}
79
80void
81device_register(struct device *dev, void *aux)
82{
83	struct cfdata *cf = dev->dv_cfdata;
84	const char *name = cf->cf_name;
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(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