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
|
/*
*
* linux/arch/cris/arch-v10/kernel/setup.c
*
* Copyright (C) 1995 Linus Torvalds
* Copyright (c) 2001-2002 Axis Communications AB
*/
/*
* This file handles the architecture-dependent parts of initialization
*/
#include <linux/seq_file.h>
#include <linux/proc_fs.h>
#include <linux/delay.h>
#include <linux/param.h>
#ifdef CONFIG_PROC_FS
#define HAS_FPU 0x0001
#define HAS_MMU 0x0002
#define HAS_ETHERNET100 0x0004
#define HAS_TOKENRING 0x0008
#define HAS_SCSI 0x0010
#define HAS_ATA 0x0020
#define HAS_USB 0x0040
#define HAS_IRQ_BUG 0x0080
#define HAS_MMU_BUG 0x0100
static struct cpu_info {
char *model;
unsigned short cache;
unsigned short flags;
} cpu_info[] = {
/* The first four models will never ever run this code and are
only here for display. */
{ "ETRAX 1", 0, 0 },
{ "ETRAX 2", 0, 0 },
{ "ETRAX 3", 0, HAS_TOKENRING },
{ "ETRAX 4", 0, HAS_TOKENRING | HAS_SCSI },
{ "Unknown", 0, 0 },
{ "Unknown", 0, 0 },
{ "Unknown", 0, 0 },
{ "Simulator", 8, HAS_ETHERNET100 | HAS_SCSI | HAS_ATA },
{ "ETRAX 100", 8, HAS_ETHERNET100 | HAS_SCSI | HAS_ATA | HAS_IRQ_BUG },
{ "ETRAX 100", 8, HAS_ETHERNET100 | HAS_SCSI | HAS_ATA },
{ "ETRAX 100LX", 8, HAS_ETHERNET100 | HAS_SCSI | HAS_ATA | HAS_USB | HAS_MMU | HAS_MMU_BUG },
{ "ETRAX 100LX v2", 8, HAS_ETHERNET100 | HAS_SCSI | HAS_ATA | HAS_USB | HAS_MMU },
{ "Unknown", 0, 0 } /* This entry MUST be the last */
};
int show_cpuinfo(struct seq_file *m, void *v)
{
unsigned long revision;
struct cpu_info *info;
/* read the version register in the CPU and print some stuff */
revision = rdvr();
if (revision >= sizeof cpu_info/sizeof *cpu_info)
info = &cpu_info[sizeof cpu_info/sizeof *cpu_info - 1];
else
info = &cpu_info[revision];
return seq_printf(m,
"processor\t: 0\n"
"cpu\t\t: CRIS\n"
"cpu revision\t: %lu\n"
"cpu model\t: %s\n"
"cache size\t: %d kB\n"
"fpu\t\t: %s\n"
"mmu\t\t: %s\n"
"mmu DMA bug\t: %s\n"
"ethernet\t: %s Mbps\n"
"token ring\t: %s\n"
"scsi\t\t: %s\n"
"ata\t\t: %s\n"
"usb\t\t: %s\n"
"bogomips\t: %lu.%02lu\n",
revision,
info->model,
info->cache,
info->flags & HAS_FPU ? "yes" : "no",
info->flags & HAS_MMU ? "yes" : "no",
info->flags & HAS_MMU_BUG ? "yes" : "no",
info->flags & HAS_ETHERNET100 ? "10/100" : "10",
info->flags & HAS_TOKENRING ? "4/16 Mbps" : "no",
info->flags & HAS_SCSI ? "yes" : "no",
info->flags & HAS_ATA ? "yes" : "no",
info->flags & HAS_USB ? "yes" : "no",
(loops_per_jiffy * HZ + 500) / 500000,
((loops_per_jiffy * HZ + 500) / 5000) % 100);
}
#endif /* CONFIG_PROC_FS */
void
show_etrax_copyright(void)
{
printk(KERN_INFO
"Linux/CRIS port on ETRAX 100LX (c) 2001 Axis Communications AB\n");
}
|
