xref: /netbsd-src/sys/arch/evbmips/alchemy/autoconf.c (revision 7f21db1c0118155e0dd40b75182e30c589d9f63e)
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