cpu.c revision 1.2 
1/*	$NetBSD: cpu.c,v 1.2 2001/06/27 08:20:44 nisimura Exp $	*/
2
3/*
4 * Copyright (c) 1994, 1995 Carnegie-Mellon University.
5 * All rights reserved.
6 *
7 * Author: Chris G. Demetriou
8 *
9 * Permission to use, copy, modify and distribute this software and
10 * its documentation is hereby granted, provided that both the copyright
11 * notice and this permission notice appear in all copies of the
12 * software, derivative works or modified versions, and any portions
13 * thereof, and that both notices appear in supporting documentation.
14 *
15 * CARNEGIE MELLON ALLOWS FREE USE OF THIS SOFTWARE IN ITS "AS IS"
16 * CONDITION.  CARNEGIE MELLON DISCLAIMS ANY LIABILITY OF ANY KIND
17 * FOR ANY DAMAGES WHATSOEVER RESULTING FROM THE USE OF THIS SOFTWARE.
18 *
19 * Carnegie Mellon requests users of this software to return to
20 *
21 *  Software Distribution Coordinator  or  Software.Distribution@CS.CMU.EDU
22 *  School of Computer Science
23 *  Carnegie Mellon University
24 *  Pittsburgh PA 15213-3890
25 *
26 * any improvements or extensions that they make and grant Carnegie the
27 * rights to redistribute these changes.
28 */
29
30#include <sys/param.h>
31#include <sys/device.h>
32#include <sys/systm.h>
33
34#include <machine/cpu.h>
35#include <machine/autoconf.h>
36
37#include <mips/locore.h>
38
39/* Definition of the driver for autoconfig. */
40static int	cpumatch(struct device *, struct cfdata *, void *);
41static void	cpuattach(struct device *, struct device *, void *);
42
43struct cfattach cpu_ca = {
44	sizeof(struct device), cpumatch, cpuattach
45};
46
47extern struct cfdriver cpu_cd;
48
49extern void cpu_identify __P((void));
50
51static int
52cpumatch(parent, cfdata, aux)
53	struct device *parent;
54	struct cfdata *cfdata;
55	void *aux;
56{
57	struct confargs *ca = aux;
58
59	/* make sure that we're looking for a CPU. */
60	if (strcmp(ca->ca_name, cpu_cd.cd_name) != 0) {
61		return 0;
62	}
63	return 1;
64}
65
66static void
67cpuattach(parent, dev, aux)
68	struct device *parent;
69	struct device *dev;
70	void *aux;
71{
72	char *cpu_name, *fpu_name;
73
74	printf("\n");
75	switch (MIPS_PRID_IMPL(cpu_id)) {
76	case MIPS_R2000:
77		cpu_name = "MIPS R2000 CPU";
78		break;
79	case MIPS_R3000:
80		cpu_name = "MIPS R3000 CPU";
81		break;
82	default:
83		cpu_name = "Unknown CPU";
84	}
85
86	switch (MIPS_PRID_IMPL(fpu_id)) {
87	case MIPS_R2360:
88		fpu_name = "MIPS R2360 Floating Point Board";
89		break;
90	case MIPS_R2010:
91		fpu_name = "MIPS R2010 FPA";
92		break;
93	case MIPS_R3010:
94		fpu_name = "MIPS R3010 FPA";
95		break;
96	default:
97		fpu_name = "unknown FPA";
98		break;
99	}
100	printf("%s: %s (0x%04x) with %s (0x%04x)\n",
101	    dev->dv_xname, cpu_name, cpu_id, fpu_name, fpu_id);
102	printf("%s: ", dev->dv_xname);
103	printf("%dKB Instruction, %dKB Data, direct mapped cache\n",
104		    mips_L1ICacheSize/1024, mips_L1DCacheSize/1024);
105}
106