2 * linux/arch/mips/kernel/proc.c
4 * Copyright (C) 1995, 1996, 2001 Ralf Baechle
5 * Copyright (C) 2001 MIPS Technologies, Inc.
7 #include <linux/config.h>
8 #include <linux/delay.h>
9 #include <linux/kernel.h>
10 #include <linux/sched.h>
11 #include <linux/seq_file.h>
12 #include <asm/bootinfo.h>
14 #include <asm/mipsregs.h>
15 #include <asm/processor.h>
16 #include <asm/watch.h>
18 unsigned int vced_count
, vcei_count
;
19 extern int bcm947xx_cpu_clk
; //Tomato RAF features
21 #ifndef CONFIG_CPU_HAS_LLSC
22 unsigned long ll_ops
, sc_ops
;
25 extern unsigned long unaligned_instructions
;
27 static const char *cpu_name
[] = {
28 [CPU_UNKNOWN
] "unknown",
31 [CPU_R3000A
] "R3000A",
36 [CPU_R3081E
] "R3081E",
37 [CPU_R4000PC
] "R4000PC",
38 [CPU_R4000SC
] "R4000SC",
39 [CPU_R4000MC
] "R4000MC",
41 [CPU_R4400PC
] "R4400PC",
42 [CPU_R4400SC
] "R4400SC",
43 [CPU_R4400MC
] "R4400MC",
46 [CPU_R6000A
] "R6000A",
48 [CPU_R10000
] "R10000",
49 [CPU_R12000
] "R12000",
54 [CPU_R5000A
] "R5000A",
56 [CPU_NEVADA
] "Nevada",
57 [CPU_RM7000
] "RM7000",
62 [CPU_SB1
] "SiByte SB1",
63 [CPU_TX3912
] "TX3912",
64 [CPU_TX3922
] "TX3922",
65 [CPU_TX3927
] "TX3927",
66 [CPU_AU1000
] "Au1000",
67 [CPU_4KEC
] "MIPS 4KEc",
68 [CPU_4KSC
] "MIPS 4KSc",
69 [CPU_VR41XX
] "NEC Vr41xx",
71 [CPU_TX49XX
] "TX49xx",
72 [CPU_AU1500
] "Au1500",
73 [CPU_20KC
] "MIPS 20Kc",
74 [CPU_VR4111
] "NEC VR4111",
75 [CPU_VR4121
] "NEC VR4121",
76 [CPU_VR4122
] "NEC VR4122",
77 [CPU_VR4131
] "NEC VR4131",
78 [CPU_VR4181
] "NEC VR4181",
79 [CPU_VR4181A
] "NEC VR4181A",
80 [CPU_AU1100
] "Au1100",
81 [CPU_SR71000
] "Sandcraft SR71000",
82 [CPU_RM9000
] "RM9000",
83 [CPU_25KF
] "MIPS 25Kf",
84 [CPU_VR4133
] "NEC VR4133",
85 [CPU_AU1550
] "Au1550",
87 [CPU_AU1200
] "Au1200",
88 [CPU_BCM4710
] "BCM4710",
89 [CPU_BCM3302
] "BCM3302",
92 static int show_cpuinfo(struct seq_file
*m
, void *v
)
94 unsigned int version
= current_cpu_data
.processor_id
;
95 unsigned int fp_vers
= current_cpu_data
.fpu_id
;
96 unsigned long n
= (unsigned long) v
- 1;
100 if (!CPUMASK_TSTB(cpu_online_map
, n
))
105 * For the first processor also print the system type
108 seq_printf(m
, "system type\t\t: %s\n", get_system_type());
110 seq_printf(m
, "processor\t\t: %ld\n", n
);
111 sprintf(fmt
, "cpu model\t\t: %%s V%%d.%%d%s\n",
112 cpu_has_fpu
? " FPU V%d.%d" : "");
113 seq_printf(m
, fmt
, cpu_name
[current_cpu_data
.cputype
<= CPU_LAST
?
114 current_cpu_data
.cputype
: CPU_UNKNOWN
],
115 (version
>> 4) & 0x0f, version
& 0x0f,
116 (fp_vers
>> 4) & 0x0f, fp_vers
& 0x0f);
117 seq_printf(m
, "BogoMIPS\t\t: %lu.%02lu\n",
118 loops_per_jiffy
/ (500000/HZ
),
119 (loops_per_jiffy
/ (5000/HZ
)) % 100);
120 seq_printf(m
, "cpu MHz \t\t: %d\n", bcm947xx_cpu_clk
); //Tomato RAF features
121 seq_printf(m
, "wait instruction\t: %s\n", cpu_wait
? "yes" : "no");
122 seq_printf(m
, "microsecond timers\t: %s\n",
123 cpu_has_counter
? "yes" : "no");
124 seq_printf(m
, "tlb_entries\t\t: %d\n", current_cpu_data
.tlbsize
);
125 seq_printf(m
, "extra interrupt vector\t: %s\n",
126 cpu_has_divec
? "yes" : "no");
127 seq_printf(m
, "hardware watchpoint\t: %s\n",
128 cpu_has_watch
? "yes" : "no");
129 seq_printf(m
, "ASEs implemented\t:%s%s%s%s%s%s\n",
130 cpu_has_mips16
? " mips16" : "",
131 cpu_has_mdmx
? " mdmx" : "",
132 cpu_has_mips3d
? " mips3d" : "",
133 cpu_has_smartmips
? " smartmips" : "",
134 cpu_has_dsp
? " dsp" : "",
135 cpu_has_mipsmt
? " mt" : ""
138 sprintf(fmt
, "VCE%%c exceptions\t\t: %s\n",
139 cpu_has_vce
? "%u" : "not available");
140 seq_printf(m
, fmt
, 'D', vced_count
);
141 seq_printf(m
, fmt
, 'I', vcei_count
);
143 #ifndef CONFIG_CPU_HAS_LLSC
144 seq_printf(m
, "ll emulations\t\t: %lu\n", ll_ops
);
145 seq_printf(m
, "sc emulations\t\t: %lu\n", sc_ops
);
148 seq_printf(m
, "unaligned_instructions\t: %lu\n", unaligned_instructions
);
150 #if defined(CONFIG_BCM4710) || defined(CONFIG_BCM4704)
151 seq_printf(m
, "dcache hits\t\t: %u\n",
153 seq_printf(m
, "dcache misses\t\t: %u\n",
155 seq_printf(m
, "icache hits\t\t: %u\n",
157 seq_printf(m
, "icache misses\t\t: %u\n",
159 seq_printf(m
, "instructions\t\t: %u\n",
166 static void *c_start(struct seq_file
*m
, loff_t
*pos
)
168 unsigned long i
= *pos
;
170 return i
< NR_CPUS
? (void *) (i
+ 1) : NULL
;
173 static void *c_next(struct seq_file
*m
, void *v
, loff_t
*pos
)
176 return c_start(m
, pos
);
179 static void c_stop(struct seq_file
*m
, void *v
)
183 struct seq_operations cpuinfo_op
= {
187 .show
= show_cpuinfo
,