Merge branch 'master' of git://git.kernel.org/pub/scm/linux/kernel/git/linville/wirel...
[pandora-kernel.git] / arch / mips / kernel / proc.c
1 /*
2  *  Copyright (C) 1995, 1996, 2001  Ralf Baechle
3  *  Copyright (C) 2001, 2004  MIPS Technologies, Inc.
4  *  Copyright (C) 2004  Maciej W. Rozycki
5  */
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>
15 #include <asm/mips_machine.h>
16
17 unsigned int vced_count, vcei_count;
18
19 static int show_cpuinfo(struct seq_file *m, void *v)
20 {
21         unsigned long n = (unsigned long) v - 1;
22         unsigned int version = cpu_data[n].processor_id;
23         unsigned int fp_vers = cpu_data[n].fpu_id;
24         char fmt [64];
25         int i;
26
27 #ifdef CONFIG_SMP
28         if (!cpu_isset(n, cpu_online_map))
29                 return 0;
30 #endif
31
32         /*
33          * For the first processor also print the system type
34          */
35         if (n == 0) {
36                 seq_printf(m, "system type\t\t: %s\n", get_system_type());
37                 if (mips_get_machine_name())
38                         seq_printf(m, "machine\t\t\t: %s\n",
39                                    mips_get_machine_name());
40         }
41
42         seq_printf(m, "processor\t\t: %ld\n", n);
43         sprintf(fmt, "cpu model\t\t: %%s V%%d.%%d%s\n",
44                 cpu_data[n].options & MIPS_CPU_FPU ? "  FPU V%d.%d" : "");
45         seq_printf(m, fmt, __cpu_name[n],
46                                    (version >> 4) & 0x0f, version & 0x0f,
47                                    (fp_vers >> 4) & 0x0f, fp_vers & 0x0f);
48         seq_printf(m, "BogoMIPS\t\t: %u.%02u\n",
49                       cpu_data[n].udelay_val / (500000/HZ),
50                       (cpu_data[n].udelay_val / (5000/HZ)) % 100);
51         seq_printf(m, "wait instruction\t: %s\n", cpu_wait ? "yes" : "no");
52         seq_printf(m, "microsecond timers\t: %s\n",
53                       cpu_has_counter ? "yes" : "no");
54         seq_printf(m, "tlb_entries\t\t: %d\n", cpu_data[n].tlbsize);
55         seq_printf(m, "extra interrupt vector\t: %s\n",
56                       cpu_has_divec ? "yes" : "no");
57         seq_printf(m, "hardware watchpoint\t: %s",
58                    cpu_has_watch ? "yes, " : "no\n");
59         if (cpu_has_watch) {
60                 seq_printf(m, "count: %d, address/irw mask: [",
61                            cpu_data[n].watch_reg_count);
62                 for (i = 0; i < cpu_data[n].watch_reg_count; i++)
63                         seq_printf(m, "%s0x%04x", i ? ", " : "" ,
64                                    cpu_data[n].watch_reg_masks[i]);
65                 seq_printf(m, "]\n");
66         }
67         seq_printf(m, "ASEs implemented\t:%s%s%s%s%s%s\n",
68                       cpu_has_mips16 ? " mips16" : "",
69                       cpu_has_mdmx ? " mdmx" : "",
70                       cpu_has_mips3d ? " mips3d" : "",
71                       cpu_has_smartmips ? " smartmips" : "",
72                       cpu_has_dsp ? " dsp" : "",
73                       cpu_has_mipsmt ? " mt" : ""
74                 );
75         seq_printf(m, "shadow register sets\t: %d\n",
76                        cpu_data[n].srsets);
77         seq_printf(m, "kscratch registers\t: %d\n",
78                    hweight8(cpu_data[n].kscratch_mask));
79         seq_printf(m, "core\t\t\t: %d\n", cpu_data[n].core);
80
81         sprintf(fmt, "VCE%%c exceptions\t\t: %s\n",
82                 cpu_has_vce ? "%u" : "not available");
83         seq_printf(m, fmt, 'D', vced_count);
84         seq_printf(m, fmt, 'I', vcei_count);
85         seq_printf(m, "\n");
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
107 const struct seq_operations cpuinfo_op = {
108         .start  = c_start,
109         .next   = c_next,
110         .stop   = c_stop,
111         .show   = show_cpuinfo,
112 };