1 /* $NetBSD: autoconf.c,v 1.20 2016/02/09 12:48:06 kiyohara 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 1.20 2016/02/09 12:48:06 kiyohara 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 #include <dev/ata/atavar.h>
52
53 /*
54 * Configure all devices on system
55 */
56 void
cpu_configure(void)57 cpu_configure(void)
58 {
59
60 intr_init();
61
62 /* Kick off autoconfiguration. */
63 (void)splhigh();
64 if (config_rootfound("mainbus", NULL) == NULL)
65 panic("no mainbus found");
66
67 /*
68 * Hardware interrupts will be enabled in
69 * sys/arch/mips/mips/mips3_clockintr.c:mips3_initclocks()
70 * to avoid hardclock(9) by CPU INT5 before softclockintr is
71 * initialized in initclocks().
72 */
73 }
74
75 void
cpu_rootconf(void)76 cpu_rootconf(void)
77 {
78
79 rootconf();
80 }
81
82 void
device_register(device_t dev,void * aux)83 device_register(device_t dev, void *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 struct aubus_attach_args *aa = aux;
93 prop_data_t pd;
94 const char *cp;
95 char *cp0;
96 int i;
97 uint8_t ethaddr[ETHER_ADDR_LEN];
98
99 /* Get the Ethernet address of the first on-board Ethernet. */
100 #if defined(ETHADDR)
101 cp = ETHADDR;
102 #else
103 cp = yamon_getenv("ethaddr");
104 #endif
105 if (cp != NULL) {
106 for (i = 0; i < ETHER_ADDR_LEN; i++) {
107 ethaddr[i] = strtoul(cp, &cp0, 16);
108 cp = cp0 + 1;
109 }
110 if (aa->aa_addr != MAC0_BASE &&
111 aa->aa_addr != AU1500_MAC0_BASE) {
112 /* XXX
113 * The PROM has a variable for the MAC address
114 * of the first interface. For now, just add
115 * 0x10 to the second last octet(!) for the
116 * second interface (Linux does the same).
117 */
118 ethaddr[4] += 0x10;
119 }
120 pd = prop_data_create_data(ethaddr, ETHER_ADDR_LEN);
121 KASSERT(pd != NULL);
122 if (prop_dictionary_set(device_properties(dev),
123 "mac-address", pd) == false) {
124 printf("WARNING: unable to set mac-addr "
125 "property for %s\n", device_xname(dev));
126 }
127 prop_object_release(pd);
128 }
129 }
130 if (device_is_a(dev, "atabus")) {
131 device_t p1 = device_parent(dev);
132 device_t p2 = device_parent(p1);
133 device_t p3 = device_parent(p2);
134
135 if (device_is_a(p1, "wdc") &&
136 device_is_a(p2, "pcmcia") &&
137 device_is_a(p3, "aupcmcia")) {
138 struct ata_channel *chp = aux;
139
140 /* 32-bit transfers are not supported. */
141 chp->ch_atac->atac_cap &= ~ATAC_CAP_DATA32;
142 }
143 }
144 }
145