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Diffstat (limited to 'arch/cris/arch-v32/kernel/setup.c')
-rw-r--r--arch/cris/arch-v32/kernel/setup.c118
1 files changed, 118 insertions, 0 deletions
diff --git a/arch/cris/arch-v32/kernel/setup.c b/arch/cris/arch-v32/kernel/setup.c
new file mode 100644
index 000000000000..b17a39a2e164
--- /dev/null
+++ b/arch/cris/arch-v32/kernel/setup.c
@@ -0,0 +1,118 @@
1/*
2 * Display CPU info in /proc/cpuinfo.
3 *
4 * Copyright (C) 2003, Axis Communications AB.
5 */
6
7#include <linux/config.h>
8#include <linux/seq_file.h>
9#include <linux/proc_fs.h>
10#include <linux/delay.h>
11#include <linux/param.h>
12
13#ifdef CONFIG_PROC_FS
14
15#define HAS_FPU 0x0001
16#define HAS_MMU 0x0002
17#define HAS_ETHERNET100 0x0004
18#define HAS_TOKENRING 0x0008
19#define HAS_SCSI 0x0010
20#define HAS_ATA 0x0020
21#define HAS_USB 0x0040
22#define HAS_IRQ_BUG 0x0080
23#define HAS_MMU_BUG 0x0100
24
25struct cpu_info {
26 char *cpu_model;
27 unsigned short rev;
28 unsigned short cache_size;
29 unsigned short flags;
30};
31
32/* Some of these model are here for historical reasons only. */
33static struct cpu_info cpinfo[] = {
34 {"ETRAX 1", 0, 0, 0},
35 {"ETRAX 2", 1, 0, 0},
36 {"ETRAX 3", 2, 0, 0},
37 {"ETRAX 4", 3, 0, 0},
38 {"Simulator", 7, 8, HAS_ETHERNET100 | HAS_SCSI | HAS_ATA},
39 {"ETRAX 100", 8, 8, HAS_ETHERNET100 | HAS_SCSI | HAS_ATA | HAS_IRQ_BUG},
40 {"ETRAX 100", 9, 8, HAS_ETHERNET100 | HAS_SCSI | HAS_ATA},
41
42 {"ETRAX 100LX", 10, 8, HAS_ETHERNET100 | HAS_SCSI | HAS_ATA | HAS_USB
43 | HAS_MMU | HAS_MMU_BUG},
44
45 {"ETRAX 100LX v2", 11, 8, HAS_ETHERNET100 | HAS_SCSI | HAS_ATA | HAS_USB
46 | HAS_MMU},
47
48 {"ETRAX FS", 32, 32, HAS_ETHERNET100 | HAS_ATA | HAS_MMU},
49
50 {"Unknown", 0, 0, 0}
51};
52
53int
54show_cpuinfo(struct seq_file *m, void *v)
55{
56 int i;
57 int cpu = (int)v - 1;
58 int entries;
59 unsigned long revision;
60 struct cpu_info *info;
61
62 entries = sizeof cpinfo / sizeof(struct cpu_info);
63 info = &cpinfo[entries - 1];
64
65#ifdef CONFIG_SMP
66 if (!cpu_online(cpu))
67 return 0;
68#endif
69
70 revision = rdvr();
71
72 for (i = 0; i < entries; i++) {
73 if (cpinfo[i].rev == revision) {
74 info = &cpinfo[i];
75 break;
76 }
77 }
78
79 return seq_printf(m,
80 "processor\t: %d\n"
81 "cpu\t\t: CRIS\n"
82 "cpu revision\t: %lu\n"
83 "cpu model\t: %s\n"
84 "cache size\t: %d KB\n"
85 "fpu\t\t: %s\n"
86 "mmu\t\t: %s\n"
87 "mmu DMA bug\t: %s\n"
88 "ethernet\t: %s Mbps\n"
89 "token ring\t: %s\n"
90 "scsi\t\t: %s\n"
91 "ata\t\t: %s\n"
92 "usb\t\t: %s\n"
93 "bogomips\t: %lu.%02lu\n\n",
94
95 cpu,
96 revision,
97 info->cpu_model,
98 info->cache_size,
99 info->flags & HAS_FPU ? "yes" : "no",
100 info->flags & HAS_MMU ? "yes" : "no",
101 info->flags & HAS_MMU_BUG ? "yes" : "no",
102 info->flags & HAS_ETHERNET100 ? "10/100" : "10",
103 info->flags & HAS_TOKENRING ? "4/16 Mbps" : "no",
104 info->flags & HAS_SCSI ? "yes" : "no",
105 info->flags & HAS_ATA ? "yes" : "no",
106 info->flags & HAS_USB ? "yes" : "no",
107 (loops_per_jiffy * HZ + 500) / 500000,
108 ((loops_per_jiffy * HZ + 500) / 5000) % 100);
109}
110
111#endif /* CONFIG_PROC_FS */
112
113void
114show_etrax_copyright(void)
115{
116 printk(KERN_INFO
117 "Linux/CRISv32 port on ETRAX FS (C) 2003, 2004 Axis Communications AB\n");
118}