Commit | Line | Data |
---|---|---|
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 | } | |
e027802e | 67 | seq_printf(m, "ASEs implemented\t:%s%s%s%s%s%s\n", |
4194318c RB |
68 | cpu_has_mips16 ? " mips16" : "", |
69 | cpu_has_mdmx ? " mdmx" : "", | |
70 | cpu_has_mips3d ? " mips3d" : "", | |
e027802e RB |
71 | cpu_has_smartmips ? " smartmips" : "", |
72 | cpu_has_dsp ? " dsp" : "", | |
73 | cpu_has_mipsmt ? " mt" : "" | |
74 | ); | |
f6771dbb | 75 | seq_printf(m, "shadow register sets\t: %d\n", |
03751e79 | 76 | cpu_data[n].srsets); |
e77c32fe | 77 | seq_printf(m, "kscratch registers\t: %d\n", |
03751e79 | 78 | hweight8(cpu_data[n].kscratch_mask)); |
0ab7aefc | 79 | seq_printf(m, "core\t\t\t: %d\n", cpu_data[n].core); |
1da177e4 LT |
80 | |
81 | sprintf(fmt, "VCE%%c exceptions\t\t: %s\n", | |
03751e79 | 82 | cpu_has_vce ? "%u" : "not available"); |
1da177e4 LT |
83 | seq_printf(m, fmt, 'D', vced_count); |
84 | seq_printf(m, fmt, 'I', vcei_count); | |
17256052 | 85 | seq_printf(m, "\n"); |
1da177e4 LT |
86 | |
87 | return 0; | |
88 | } | |
89 | ||
90 | static void *c_start(struct seq_file *m, loff_t *pos) | |
91 | { | |
92 | unsigned long i = *pos; | |
93 | ||
94 | return i < NR_CPUS ? (void *) (i + 1) : NULL; | |
95 | } | |
96 | ||
97 | static void *c_next(struct seq_file *m, void *v, loff_t *pos) | |
98 | { | |
99 | ++*pos; | |
100 | return c_start(m, pos); | |
101 | } | |
102 | ||
103 | static void c_stop(struct seq_file *m, void *v) | |
104 | { | |
105 | } | |
106 | ||
12323cac | 107 | const struct seq_operations cpuinfo_op = { |
1da177e4 LT |
108 | .start = c_start, |
109 | .next = c_next, | |
110 | .stop = c_stop, | |
111 | .show = show_cpuinfo, | |
112 | }; |