autoconf.c revision 1.18 1 1.18 kiyohara /* $NetBSD: autoconf.c,v 1.18 2010/03/18 14:04:07 kiyohara Exp $ */
2 1.1 scw
3 1.1 scw /*
4 1.1 scw * Copyright (C) 1995, 1996 Wolfgang Solfrank.
5 1.1 scw * Copyright (C) 1995, 1996 TooLs GmbH.
6 1.1 scw * All rights reserved.
7 1.1 scw *
8 1.1 scw * Redistribution and use in source and binary forms, with or without
9 1.1 scw * modification, are permitted provided that the following conditions
10 1.1 scw * are met:
11 1.1 scw * 1. Redistributions of source code must retain the above copyright
12 1.1 scw * notice, this list of conditions and the following disclaimer.
13 1.1 scw * 2. Redistributions in binary form must reproduce the above copyright
14 1.1 scw * notice, this list of conditions and the following disclaimer in the
15 1.1 scw * documentation and/or other materials provided with the distribution.
16 1.1 scw * 3. All advertising materials mentioning features or use of this software
17 1.1 scw * must display the following acknowledgement:
18 1.1 scw * This product includes software developed by TooLs GmbH.
19 1.1 scw * 4. The name of TooLs GmbH may not be used to endorse or promote products
20 1.1 scw * derived from this software without specific prior written permission.
21 1.1 scw *
22 1.1 scw * THIS SOFTWARE IS PROVIDED BY TOOLS GMBH ``AS IS'' AND ANY EXPRESS OR
23 1.1 scw * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
24 1.1 scw * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
25 1.1 scw * IN NO EVENT SHALL TOOLS GMBH BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
26 1.1 scw * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
27 1.1 scw * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
28 1.1 scw * OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
29 1.1 scw * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
30 1.1 scw * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
31 1.1 scw * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
32 1.1 scw */
33 1.6 lukem
34 1.6 lukem #include <sys/cdefs.h>
35 1.18 kiyohara __KERNEL_RCSID(0, "$NetBSD: autoconf.c,v 1.18 2010/03/18 14:04:07 kiyohara Exp $");
36 1.1 scw
37 1.1 scw #include <sys/param.h>
38 1.1 scw #include <sys/conf.h>
39 1.1 scw #include <sys/device.h>
40 1.1 scw #include <sys/systm.h>
41 1.1 scw
42 1.4 thorpej #include <dev/ic/comreg.h> /* For COM_FREQ */
43 1.4 thorpej
44 1.18 kiyohara #include <powerpc/ibm4xx/dcr4xx.h>
45 1.1 scw #include <powerpc/ibm4xx/dev/plbvar.h>
46 1.18 kiyohara #include <powerpc/ibm4xx/spr.h>
47 1.1 scw
48 1.1 scw /*
49 1.1 scw * List of port-specific devices to attach to the processor local bus.
50 1.1 scw */
51 1.1 scw static const struct plb_dev local_plb_devs [] = {
52 1.18 kiyohara { IBM405GP, "pbus", },
53 1.18 kiyohara { 0, NULL }
54 1.1 scw };
55 1.1 scw
56 1.1 scw /*
57 1.1 scw * Determine device configuration for a machine.
58 1.1 scw */
59 1.1 scw void
60 1.1 scw cpu_configure(void)
61 1.1 scw {
62 1.1 scw
63 1.1 scw intr_init();
64 1.1 scw calc_delayconst();
65 1.1 scw
66 1.1 scw /* Make sure that timers run at CPU frequency */
67 1.1 scw mtdcr(DCR_CPC0_CR1, mfdcr(DCR_CPC0_CR1) & ~CPC0_CR1_CETE);
68 1.1 scw
69 1.1 scw if (config_rootfound("plb", &local_plb_devs) == NULL)
70 1.1 scw panic("configure: plb not configured");
71 1.1 scw
72 1.16 tsutsui printf("biomask %x netmask %x ttymask %x\n",
73 1.16 tsutsui imask[IPL_BIO], imask[IPL_NET], imask[IPL_TTY]);
74 1.1 scw
75 1.1 scw (void)spl0();
76 1.1 scw
77 1.1 scw /*
78 1.1 scw * Now allow hardware interrupts.
79 1.1 scw */
80 1.9 perry __asm volatile ("wrteei 1");
81 1.1 scw }
82 1.1 scw
83 1.1 scw /*
84 1.1 scw * Setup root device.
85 1.1 scw * Configure swap area.
86 1.1 scw */
87 1.1 scw void
88 1.1 scw cpu_rootconf(void)
89 1.1 scw {
90 1.1 scw
91 1.1 scw setroot(booted_device, booted_partition);
92 1.3 thorpej }
93 1.3 thorpej
94 1.3 thorpej void
95 1.3 thorpej device_register(struct device *dev, void *aux)
96 1.3 thorpej {
97 1.11 thorpej struct device *parent = device_parent(dev);
98 1.4 thorpej
99 1.12 thorpej if (device_is_a(dev, "com") && device_is_a(parent, "opb")) {
100 1.4 thorpej /* Set the frequency of the on-chip UART. */
101 1.14 thorpej prop_number_t pn = prop_number_create_integer(COM_FREQ * 6);
102 1.14 thorpej KASSERT(pn != NULL);
103 1.4 thorpej
104 1.14 thorpej if (prop_dictionary_set(device_properties(dev),
105 1.17 thorpej "clock-frequency", pn) == false) {
106 1.15 thorpej printf("WARNING: unable to set clock-frequency "
107 1.5 thorpej "property for %s\n", dev->dv_xname);
108 1.14 thorpej }
109 1.14 thorpej prop_object_release(pn);
110 1.5 thorpej return;
111 1.5 thorpej }
112 1.5 thorpej
113 1.13 thorpej ibm4xx_device_register(dev, aux);
114 1.1 scw }
115