xref: /netbsd/sys/arch/evbmips/alchemy/autoconf.c (revision c4a72b64)
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 
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 	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