diff options
Diffstat (limited to 'arch/cris/arch-v32/kernel/setup.c')
-rw-r--r-- | arch/cris/arch-v32/kernel/setup.c | 118 |
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 | |||
25 | struct 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. */ | ||
33 | static 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 | |||
53 | int | ||
54 | show_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 | |||
113 | void | ||
114 | show_etrax_copyright(void) | ||
115 | { | ||
116 | printk(KERN_INFO | ||
117 | "Linux/CRISv32 port on ETRAX FS (C) 2003, 2004 Axis Communications AB\n"); | ||
118 | } | ||