xref: /netbsd/sys/arch/arm/mainbus/cpu_mainbus.c (revision 6550d01e)
1 /*	$NetBSD: cpu_mainbus.c,v 1.10 2009/03/14 15:36:02 dsl Exp $	*/
2 
3 /*
4  * Copyright (c) 1995 Mark Brinicombe.
5  * Copyright (c) 1995 Brini.
6  * All rights reserved.
7  *
8  * Redistribution and use in source and binary forms, with or without
9  * modification, are permitted provided that the following conditions
10  * are met:
11  * 1. Redistributions of source code must retain the above copyright
12  *    notice, this list of conditions and the following disclaimer.
13  * 2. Redistributions in binary form must reproduce the above copyright
14  *    notice, this list of conditions and the following disclaimer in the
15  *    documentation and/or other materials provided with the distribution.
16  * 3. All advertising materials mentioning features or use of this software
17  *    must display the following acknowledgement:
18  *	This product includes software developed by Brini.
19  * 4. The name of the company nor the name of the author may be used to
20  *    endorse or promote products derived from this software without specific
21  *    prior written permission.
22  *
23  * THIS SOFTWARE IS PROVIDED BY BRINI ``AS IS'' AND ANY EXPRESS OR IMPLIED
24  * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
25  * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
26  * IN NO EVENT SHALL BRINI OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT,
27  * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
28  * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
29  * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
30  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
31  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
32  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
33  * SUCH DAMAGE.
34  *
35  * RiscBSD kernel project
36  *
37  * cpu.c
38  *
39  * Probing and configuration for the master cpu
40  *
41  * Created      : 10/10/95
42  */
43 
44 #include <sys/cdefs.h>
45 __KERNEL_RCSID(0, "$NetBSD: cpu_mainbus.c,v 1.10 2009/03/14 15:36:02 dsl Exp $");
46 
47 #include <sys/param.h>
48 #include <sys/systm.h>
49 #include <sys/malloc.h>
50 #include <sys/device.h>
51 #include <sys/proc.h>
52 #if 0
53 #include <sys/conf.h>
54 #include <uvm/uvm_extern.h>
55 #include <machine/io.h>
56 #endif
57 #include <machine/cpu.h>
58 #if 0
59 #include <arm/cpus.h>
60 #include <arm/undefined.h>
61 #endif
62 
63 /*
64  * Prototypes
65  */
66 static int cpu_mainbus_match(struct device *, struct cfdata *, void *);
67 static void cpu_mainbus_attach(struct device *, struct device *, void *);
68 
69 /*
70  * int cpumatch(struct device *parent, struct cfdata *cf, void *aux)
71  *
72  * Probe for the main cpu. Currently all this does is return 1 to
73  * indicate that the cpu was found.
74  */
75 
76 static int
77 cpu_mainbus_match(struct device *parent, struct cfdata *cf, void *aux)
78 {
79 	return(1);
80 }
81 
82 /*
83  * void cpusattach(struct device *parent, struct device *dev, void *aux)
84  *
85  * Attach the main cpu
86  */
87 
88 static void
89 cpu_mainbus_attach(struct device *parent, struct device *self, void *aux)
90 {
91 	cpu_attach(self);
92 }
93 
94 CFATTACH_DECL(cpu_mainbus, sizeof(struct device),
95     cpu_mainbus_match, cpu_mainbus_attach, NULL, NULL);
96