1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
|
/* $OpenBSD: cpu.c,v 1.7 2000/07/03 17:07:08 mickey Exp $ */
/*
* Copyright (c) 1998,1999 Michael Shalayeff
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* 3. All advertising materials mentioning features or use of this software
* must display the following acknowledgement:
* This product includes software developed by Michael Shalayeff.
* 4. The name of the author may not be used to endorse or promote products
* derived from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF MIND,
* USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#include <sys/param.h>
#include <sys/systm.h>
#include <sys/device.h>
#include <sys/reboot.h>
#include <machine/cpufunc.h>
#include <machine/pdc.h>
#include <machine/iomod.h>
#include <machine/autoconf.h>
#include <hppa/dev/cpudevs.h>
struct cpu_softc {
struct device sc_dev;
hppa_hpa_t sc_hpa;
void *sc_ih;
};
int cpumatch __P((struct device *, void *, void *));
void cpuattach __P((struct device *, struct device *, void *));
struct cfattach cpu_ca = {
sizeof(struct cpu_softc), cpumatch, cpuattach
};
struct cfdriver cpu_cd = {
NULL, "cpu", DV_DULL
};
int
cpumatch(parent, cfdata, aux)
struct device *parent;
void *cfdata;
void *aux;
{
struct confargs *ca = aux;
struct cfdata *cf = cfdata;
/* there will be only one for now XXX */
/* probe any 1.0, 1.1 or 2.0 */
if (cf->cf_unit > 0 ||
ca->ca_type.iodc_type != HPPA_TYPE_NPROC ||
ca->ca_type.iodc_sv_model != HPPA_NPROC_HPPA)
return 0;
return 1;
}
void
cpuattach(parent, self, aux)
struct device *parent;
struct device *self;
void *aux;
{
/* machdep.c */
extern struct pdc_cache pdc_cache;
extern struct pdc_btlb pdc_btlb;
extern u_int cpu_ticksnum, cpu_ticksdenom;
struct pdc_model pdc_model PDC_ALIGNMENT;
struct pdc_cpuid pdc_cpuid PDC_ALIGNMENT;
u_int pdc_cversion[32] PDC_ALIGNMENT;
register struct cpu_softc *sc = (struct cpu_softc *)self;
register struct confargs *ca = aux;
const char *p = NULL;
u_int mhz = 100 * cpu_ticksnum / cpu_ticksdenom;
int err;
bzero (&pdc_cpuid, sizeof(pdc_cpuid));
if (pdc_call((iodcio_t)pdc, 0, PDC_MODEL, PDC_MODEL_CPUID,
&pdc_cpuid, sc->sc_dev.dv_unit, 0, 0, 0) >= 0) {
/* patch for old 8200 */
if (pdc_cpuid.version == HPPA_CPU_PCXUP &&
pdc_cpuid.revision > 0x0d)
pdc_cpuid.version = HPPA_CPU_PCXUP1;
p = hppa_mod_info(HPPA_TYPE_CPU, pdc_cpuid.version);
}
/* otherwise try to guess on component version numbers */
else if (pdc_call((iodcio_t)pdc, 0, PDC_MODEL, PDC_MODEL_COMP,
&pdc_cversion, sc->sc_dev.dv_unit) >= 0) {
/* XXX p = hppa_mod_info(HPPA_TYPE_CPU,pdc_cversion[0]); */
}
printf (": %s v%d.%d, ", p? p : "PA7000",
pdc_cpuid.revision >> 4, pdc_cpuid.revision & 0xf);
if ((err = pdc_call((iodcio_t)pdc, 0, PDC_MODEL, PDC_MODEL_INFO,
&pdc_model)) < 0) {
#ifdef DEBUG
printf("WARNING: PDC_MODEL failed (%d)\n", err);
#endif
} else {
static const char lvls[4][4] = { "0", "1", "1.5", "2" };
printf("lev %s, cat %c, ",
lvls[pdc_model.pa_lvl], "AB"[pdc_model.mc]);
}
printf ("%d", mhz / 100);
if (mhz % 100 > 9)
printf(".%02d", mhz % 100);
printf(" MHz clk\n%s: %s", self->dv_xname,
pdc_model.sh? "shadows, ": "");
if (pdc_cache.dc_conf.cc_sh)
printf("%uK cache", pdc_cache.dc_size / 1024);
else
printf("%uK/%uK D/I caches",
pdc_cache.dc_size / 1024,
pdc_cache.ic_size / 1024);
if (pdc_cache.dt_conf.tc_sh)
printf(", %u shared TLB", pdc_cache.dt_size);
else
printf(", %u/%u D/I TLBs",
pdc_cache.dt_size, pdc_cache.it_size);
if (pdc_btlb.finfo.num_c)
printf(", %u shared BTLB", pdc_btlb.finfo.num_c);
else {
printf(", %u/%u D/I BTLBs",
pdc_btlb.finfo.num_i,
pdc_btlb.finfo.num_d);
}
printf("\n");
/* sanity against luser amongst config editors */
if (ca->ca_irq == 31) {
sc->sc_ih = cpu_intr_establish(IPL_CLOCK, ca->ca_irq,
clock_intr, NULL /*trapframe*/,
&sc->sc_dev);
} else {
printf ("%s: bad irq number %d\n", sc->sc_dev.dv_xname,
ca->ca_irq);
}
}
|
