xref: /netbsd-src/sys/arch/evbmips/alchemy/autoconf.c (revision 7fa608457b817eca6e0977b37f758ae064f3c99c)
1 /* $NetBSD: autoconf.c,v 1.14 2007/02/22 05:26:18 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/cdefs.h>
40 __KERNEL_RCSID(0, "$NetBSD: autoconf.c,v 1.14 2007/02/22 05:26:18 thorpej 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 
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", NULL) == NULL)
69 		panic("no mainbus found");
70 
71 	/*
72 	 * Hardware interrupts will be enabled in
73 	 * sys/arch/mips/mips/mips3_clockintr.c:mips3_initclocks()
74 	 * to avoid hardclock(9) by CPU INT5 before softclockintr is
75 	 * initialized in initclocks().
76 	 */
77 }
78 
79 void
80 cpu_rootconf(void)
81 {
82 
83 	setroot(booted_device, booted_partition);
84 }
85 
86 void
87 device_register(struct device *dev, void *aux)
88 {
89 	struct aubus_attach_args *aa = aux;
90 
91 	/*
92 	 * We don't ever know the boot device.  But that's because the
93 	 * firmware only loads from the network.
94 	 */
95 
96 	/* Fetch the MAC addresses from YAMON. */
97 	if (device_is_a(dev, "aumac")) {
98 		prop_data_t pd;
99 		const char *cp;
100 		char *cp0;
101 		int i;
102 		uint8_t ethaddr[ETHER_ADDR_LEN];
103 
104 		/* Get the Ethernet address of the first on-board Ethernet. */
105 #if defined(ETHADDR)
106 		cp = ETHADDR;
107 #else
108 		cp = yamon_getenv("ethaddr");
109 #endif
110 		if (cp != NULL) {
111 			for (i = 0; i < ETHER_ADDR_LEN; i++) {
112 				ethaddr[i] = strtoul(cp, &cp0, 16);
113 				cp = cp0 + 1;
114 			}
115 			if (aa->aa_addr != MAC0_BASE &&
116 			    aa->aa_addr != AU1500_MAC0_BASE) {
117 				/* XXX
118 				 * The PROM has a variable for the MAC address
119 				 * of the first interface.  For now, just add
120 				 * 0x10 to the second last octet(!) for the
121 				 * second interface (Linux does the same).
122 				 */
123 				ethaddr[4] += 0x10;
124 			}
125 			pd = prop_data_create_data(ethaddr, ETHER_ADDR_LEN);
126 			KASSERT(pd != NULL);
127 			if (prop_dictionary_set(device_properties(dev),
128 						"mac-addr", pd) == false) {
129 				printf("WARNING: unable to set mac-addr "
130 				    "property for %s\n", dev->dv_xname);
131 			}
132 			prop_object_release(pd);
133 		}
134 	}
135 }
136