Commit | Line | Data |
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1da177e4 | 1 | /* |
1da177e4 | 2 | * Copyright (C) 1995, 1996, 2001 Ralf Baechle |
4194318c RB |
3 | * Copyright (C) 2001, 2004 MIPS Technologies, Inc. |
4 | * Copyright (C) 2004 Maciej W. Rozycki | |
1da177e4 | 5 | */ |
1da177e4 LT |
6 | #include <linux/delay.h> |
7 | #include <linux/kernel.h> | |
8 | #include <linux/sched.h> | |
9 | #include <linux/seq_file.h> | |
10 | #include <asm/bootinfo.h> | |
11 | #include <asm/cpu.h> | |
12 | #include <asm/cpu-features.h> | |
13 | #include <asm/mipsregs.h> | |
14 | #include <asm/processor.h> | |
487d70d0 | 15 | #include <asm/mips_machine.h> |
1da177e4 LT |
16 | |
17 | unsigned int vced_count, vcei_count; | |
18 | ||
1da177e4 LT |
19 | static int show_cpuinfo(struct seq_file *m, void *v) |
20 | { | |
1da177e4 | 21 | unsigned long n = (unsigned long) v - 1; |
31aa3665 KJK |
22 | unsigned int version = cpu_data[n].processor_id; |
23 | unsigned int fp_vers = cpu_data[n].fpu_id; | |
1da177e4 | 24 | char fmt [64]; |
654f57bf | 25 | int i; |
1da177e4 LT |
26 | |
27 | #ifdef CONFIG_SMP | |
0b5f9c00 | 28 | if (!cpu_online(n)) |
1da177e4 LT |
29 | return 0; |
30 | #endif | |
31 | ||
32 | /* | |
33 | * For the first processor also print the system type | |
34 | */ | |
487d70d0 | 35 | if (n == 0) { |
1da177e4 | 36 | seq_printf(m, "system type\t\t: %s\n", get_system_type()); |
487d70d0 GJ |
37 | if (mips_get_machine_name()) |
38 | seq_printf(m, "machine\t\t\t: %s\n", | |
39 | mips_get_machine_name()); | |
40 | } | |
1da177e4 LT |
41 | |
42 | seq_printf(m, "processor\t\t: %ld\n", n); | |
43 | sprintf(fmt, "cpu model\t\t: %%s V%%d.%%d%s\n", | |
03751e79 | 44 | cpu_data[n].options & MIPS_CPU_FPU ? " FPU V%d.%d" : ""); |
e47c659b | 45 | seq_printf(m, fmt, __cpu_name[n], |
03751e79 SH |
46 | (version >> 4) & 0x0f, version & 0x0f, |
47 | (fp_vers >> 4) & 0x0f, fp_vers & 0x0f); | |
5636919b | 48 | seq_printf(m, "BogoMIPS\t\t: %u.%02u\n", |
03751e79 SH |
49 | cpu_data[n].udelay_val / (500000/HZ), |
50 | (cpu_data[n].udelay_val / (5000/HZ)) % 100); | |
1da177e4 LT |
51 | seq_printf(m, "wait instruction\t: %s\n", cpu_wait ? "yes" : "no"); |
52 | seq_printf(m, "microsecond timers\t: %s\n", | |
03751e79 | 53 | cpu_has_counter ? "yes" : "no"); |
31aa3665 | 54 | seq_printf(m, "tlb_entries\t\t: %d\n", cpu_data[n].tlbsize); |
1da177e4 | 55 | seq_printf(m, "extra interrupt vector\t: %s\n", |
03751e79 | 56 | cpu_has_divec ? "yes" : "no"); |
654f57bf | 57 | seq_printf(m, "hardware watchpoint\t: %s", |
03751e79 | 58 | cpu_has_watch ? "yes, " : "no\n"); |
654f57bf DD |
59 | if (cpu_has_watch) { |
60 | seq_printf(m, "count: %d, address/irw mask: [", | |
03751e79 | 61 | cpu_data[n].watch_reg_count); |
654f57bf DD |
62 | for (i = 0; i < cpu_data[n].watch_reg_count; i++) |
63 | seq_printf(m, "%s0x%04x", i ? ", " : "" , | |
03751e79 | 64 | cpu_data[n].watch_reg_masks[i]); |
654f57bf DD |
65 | seq_printf(m, "]\n"); |
66 | } | |
981ef0de RB |
67 | |
68 | seq_printf(m, "ASEs implemented\t:"); | |
69 | if (cpu_has_mips16) seq_printf(m, "%s", " mips16"); | |
70 | if (cpu_has_mdmx) seq_printf(m, "%s", " mdmx"); | |
71 | if (cpu_has_mips3d) seq_printf(m, "%s", " mips3d"); | |
72 | if (cpu_has_smartmips) seq_printf(m, "%s", " smartmips"); | |
73 | if (cpu_has_dsp) seq_printf(m, "%s", " dsp"); | |
74 | if (cpu_has_dsp2) seq_printf(m, "%s", " dsp2"); | |
75 | if (cpu_has_mipsmt) seq_printf(m, "%s", " mt"); | |
76 | seq_printf(m, "\n"); | |
77 | ||
f6771dbb | 78 | seq_printf(m, "shadow register sets\t: %d\n", |
03751e79 | 79 | cpu_data[n].srsets); |
e77c32fe | 80 | seq_printf(m, "kscratch registers\t: %d\n", |
03751e79 | 81 | hweight8(cpu_data[n].kscratch_mask)); |
0ab7aefc | 82 | seq_printf(m, "core\t\t\t: %d\n", cpu_data[n].core); |
1da177e4 LT |
83 | |
84 | sprintf(fmt, "VCE%%c exceptions\t\t: %s\n", | |
03751e79 | 85 | cpu_has_vce ? "%u" : "not available"); |
1da177e4 LT |
86 | seq_printf(m, fmt, 'D', vced_count); |
87 | seq_printf(m, fmt, 'I', vcei_count); | |
17256052 | 88 | seq_printf(m, "\n"); |
1da177e4 LT |
89 | |
90 | return 0; | |
91 | } | |
92 | ||
93 | static void *c_start(struct seq_file *m, loff_t *pos) | |
94 | { | |
95 | unsigned long i = *pos; | |
96 | ||
97 | return i < NR_CPUS ? (void *) (i + 1) : NULL; | |
98 | } | |
99 | ||
100 | static void *c_next(struct seq_file *m, void *v, loff_t *pos) | |
101 | { | |
102 | ++*pos; | |
103 | return c_start(m, pos); | |
104 | } | |
105 | ||
106 | static void c_stop(struct seq_file *m, void *v) | |
107 | { | |
108 | } | |
109 | ||
12323cac | 110 | const struct seq_operations cpuinfo_op = { |
1da177e4 LT |
111 | .start = c_start, |
112 | .next = c_next, | |
113 | .stop = c_stop, | |
114 | .show = show_cpuinfo, | |
115 | }; |