1/*	$NetBSD: cpu.c,v 1.6 2022/03/03 06:27:40 riastradh Exp $	*/
2
3/*
4 * Copyright 2002 Wasabi Systems, Inc.
5 * All rights reserved.
6 *
7 * Written by Simon Burge for Wasabi Systems, Inc.
8 *
9 * Redistribution and use in source and binary forms, with or without
10 * modification, are permitted provided that the following conditions
11 * are met:
12 * 1. Redistributions of source code must retain the above copyright
13 *    notice, this list of conditions and the following disclaimer.
14 * 2. Redistributions in binary form must reproduce the above copyright
15 *    notice, this list of conditions and the following disclaimer in the
16 *    documentation and/or other materials provided with the distribution.
17 * 3. All advertising materials mentioning features or use of this software
18 *    must display the following acknowledgement:
19 *      This product includes software developed for the NetBSD Project by
20 *      Wasabi Systems, Inc.
21 * 4. The name of Wasabi Systems, Inc. may not be used to endorse
22 *    or promote products derived from this software without specific prior
23 *    written permission.
24 *
25 * THIS SOFTWARE IS PROVIDED BY WASABI SYSTEMS, INC. ``AS IS'' AND
26 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
27 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
28 * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL WASABI SYSTEMS, INC
29 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
30 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
31 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
32 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
33 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
34 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
35 * POSSIBILITY OF SUCH DAMAGE.
36 */
37
38#include <sys/cdefs.h>
39__KERNEL_RCSID(0, "$NetBSD: cpu.c,v 1.6 2022/03/03 06:27:40 riastradh Exp $");
40
41#include <sys/param.h>
42#include <sys/device.h>
43#include <sys/systm.h>
44#include <sys/cpu.h>
45
46#include <mips/locore.h>
47
48static int	cpu_match(device_t, cfdata_t, void *);
49static void	cpu_attach(device_t, device_t, void *);
50
51CFATTACH_DECL_NEW(cpu, 0,
52    cpu_match, cpu_attach, NULL, NULL);
53
54static int
55cpu_match(device_t parent, cfdata_t match, void *aux)
56{
57
58	return 1;
59}
60
61static void
62cpu_attach(device_t parent, device_t self, void *aux)
63{
64	struct cpu_info * const ci = curcpu();
65
66	ci->ci_dev = self;
67	device_set_private(self, ci);
68
69	aprint_normal(": %lu.%02luMHz (hz cycles = %lu, delay divisor = %lu)\n",
70	    ci->ci_cpu_freq / 1000000,
71	    (ci->ci_cpu_freq % 1000000) / 10000,
72	    ci->ci_cycles_per_hz, ci->ci_divisor_delay);
73
74	aprint_normal("%s: ", device_xname(self));
75	cpu_identify(self);
76	cpu_attach_common(self, ci);
77}
78