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[MIPS] Make facility to convert CPU types to strings generally availa…
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…ble.

So far /proc/cpuinfo has been the only user but human readable processor
name are more useful than that for proc.

Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
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Ralf Baechle committed Oct 11, 2007
1 parent 36cfbaa commit 9966db2
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Showing 4 changed files with 97 additions and 77 deletions.
93 changes: 91 additions & 2 deletions arch/mips/kernel/cpu-probe.c
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Original file line number Diff line number Diff line change
Expand Up @@ -802,9 +802,95 @@ static inline void cpu_probe_broadcom(struct cpuinfo_mips *c)
}
}

const char *__cpu_name[NR_CPUS];

/*
* Name a CPU
*/
static __init const char *cpu_to_name(struct cpuinfo_mips *c)
{
const char *name = NULL;

switch (c->cputype) {
case CPU_UNKNOWN: name = "unknown"; break;
case CPU_R2000: name = "R2000"; break;
case CPU_R3000: name = "R3000"; break;
case CPU_R3000A: name = "R3000A"; break;
case CPU_R3041: name = "R3041"; break;
case CPU_R3051: name = "R3051"; break;
case CPU_R3052: name = "R3052"; break;
case CPU_R3081: name = "R3081"; break;
case CPU_R3081E: name = "R3081E"; break;
case CPU_R4000PC: name = "R4000PC"; break;
case CPU_R4000SC: name = "R4000SC"; break;
case CPU_R4000MC: name = "R4000MC"; break;
case CPU_R4200: name = "R4200"; break;
case CPU_R4400PC: name = "R4400PC"; break;
case CPU_R4400SC: name = "R4400SC"; break;
case CPU_R4400MC: name = "R4400MC"; break;
case CPU_R4600: name = "R4600"; break;
case CPU_R6000: name = "R6000"; break;
case CPU_R6000A: name = "R6000A"; break;
case CPU_R8000: name = "R8000"; break;
case CPU_R10000: name = "R10000"; break;
case CPU_R12000: name = "R12000"; break;
case CPU_R14000: name = "R14000"; break;
case CPU_R4300: name = "R4300"; break;
case CPU_R4650: name = "R4650"; break;
case CPU_R4700: name = "R4700"; break;
case CPU_R5000: name = "R5000"; break;
case CPU_R5000A: name = "R5000A"; break;
case CPU_R4640: name = "R4640"; break;
case CPU_NEVADA: name = "Nevada"; break;
case CPU_RM7000: name = "RM7000"; break;
case CPU_RM9000: name = "RM9000"; break;
case CPU_R5432: name = "R5432"; break;
case CPU_4KC: name = "MIPS 4Kc"; break;
case CPU_5KC: name = "MIPS 5Kc"; break;
case CPU_R4310: name = "R4310"; break;
case CPU_SB1: name = "SiByte SB1"; break;
case CPU_SB1A: name = "SiByte SB1A"; break;
case CPU_TX3912: name = "TX3912"; break;
case CPU_TX3922: name = "TX3922"; break;
case CPU_TX3927: name = "TX3927"; break;
case CPU_AU1000: name = "Au1000"; break;
case CPU_AU1500: name = "Au1500"; break;
case CPU_AU1100: name = "Au1100"; break;
case CPU_AU1550: name = "Au1550"; break;
case CPU_AU1200: name = "Au1200"; break;
case CPU_4KEC: name = "MIPS 4KEc"; break;
case CPU_4KSC: name = "MIPS 4KSc"; break;
case CPU_VR41XX: name = "NEC Vr41xx"; break;
case CPU_R5500: name = "R5500"; break;
case CPU_TX49XX: name = "TX49xx"; break;
case CPU_20KC: name = "MIPS 20Kc"; break;
case CPU_24K: name = "MIPS 24K"; break;
case CPU_25KF: name = "MIPS 25Kf"; break;
case CPU_34K: name = "MIPS 34K"; break;
case CPU_74K: name = "MIPS 74K"; break;
case CPU_VR4111: name = "NEC VR4111"; break;
case CPU_VR4121: name = "NEC VR4121"; break;
case CPU_VR4122: name = "NEC VR4122"; break;
case CPU_VR4131: name = "NEC VR4131"; break;
case CPU_VR4133: name = "NEC VR4133"; break;
case CPU_VR4181: name = "NEC VR4181"; break;
case CPU_VR4181A: name = "NEC VR4181A"; break;
case CPU_SR71000: name = "Sandcraft SR71000"; break;
case CPU_BCM3302: name = "Broadcom BCM3302"; break;
case CPU_BCM4710: name = "Broadcom BCM4710"; break;
case CPU_PR4450: name = "Philips PR4450"; break;
case CPU_LOONGSON2: name = "ICT Loongson-2"; break;
default:
BUG();
}

return name;
}

__init void cpu_probe(void)
{
struct cpuinfo_mips *c = &current_cpu_data;
unsigned int cpu = smp_processor_id();

c->processor_id = PRID_IMP_UNKNOWN;
c->fpu_id = FPIR_IMP_NONE;
Expand Down Expand Up @@ -847,13 +933,16 @@ __init void cpu_probe(void)
c->ases |= MIPS_ASE_MIPS3D;
}
}

__cpu_name[cpu] = cpu_to_name(c);
}

__init void cpu_report(void)
{
struct cpuinfo_mips *c = &current_cpu_data;

printk("CPU revision is: %08x\n", c->processor_id);
printk(KERN_INFO "CPU revision is: %08x (%s)\n",
c->processor_id, cpu_name_string());
if (c->options & MIPS_CPU_FPU)
printk("FPU revision is: %08x\n", c->fpu_id);
printk(KERN_INFO "FPU revision is: %08x\n", c->fpu_id);
}
75 changes: 1 addition & 74 deletions arch/mips/kernel/proc.c
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Original file line number Diff line number Diff line change
Expand Up @@ -17,78 +17,6 @@

unsigned int vced_count, vcei_count;

static const char *cpu_name[] = {
[CPU_UNKNOWN] = "unknown",
[CPU_R2000] = "R2000",
[CPU_R3000] = "R3000",
[CPU_R3000A] = "R3000A",
[CPU_R3041] = "R3041",
[CPU_R3051] = "R3051",
[CPU_R3052] = "R3052",
[CPU_R3081] = "R3081",
[CPU_R3081E] = "R3081E",
[CPU_R4000PC] = "R4000PC",
[CPU_R4000SC] = "R4000SC",
[CPU_R4000MC] = "R4000MC",
[CPU_R4200] = "R4200",
[CPU_R4400PC] = "R4400PC",
[CPU_R4400SC] = "R4400SC",
[CPU_R4400MC] = "R4400MC",
[CPU_R4600] = "R4600",
[CPU_R6000] = "R6000",
[CPU_R6000A] = "R6000A",
[CPU_R8000] = "R8000",
[CPU_R10000] = "R10000",
[CPU_R12000] = "R12000",
[CPU_R14000] = "R14000",
[CPU_R4300] = "R4300",
[CPU_R4650] = "R4650",
[CPU_R4700] = "R4700",
[CPU_R5000] = "R5000",
[CPU_R5000A] = "R5000A",
[CPU_R4640] = "R4640",
[CPU_NEVADA] = "Nevada",
[CPU_RM7000] = "RM7000",
[CPU_RM9000] = "RM9000",
[CPU_R5432] = "R5432",
[CPU_4KC] = "MIPS 4Kc",
[CPU_5KC] = "MIPS 5Kc",
[CPU_R4310] = "R4310",
[CPU_SB1] = "SiByte SB1",
[CPU_SB1A] = "SiByte SB1A",
[CPU_TX3912] = "TX3912",
[CPU_TX3922] = "TX3922",
[CPU_TX3927] = "TX3927",
[CPU_AU1000] = "Au1000",
[CPU_AU1500] = "Au1500",
[CPU_AU1100] = "Au1100",
[CPU_AU1550] = "Au1550",
[CPU_AU1200] = "Au1200",
[CPU_4KEC] = "MIPS 4KEc",
[CPU_4KSC] = "MIPS 4KSc",
[CPU_VR41XX] = "NEC Vr41xx",
[CPU_R5500] = "R5500",
[CPU_TX49XX] = "TX49xx",
[CPU_20KC] = "MIPS 20Kc",
[CPU_24K] = "MIPS 24K",
[CPU_25KF] = "MIPS 25Kf",
[CPU_34K] = "MIPS 34K",
[CPU_74K] = "MIPS 74K",
[CPU_VR4111] = "NEC VR4111",
[CPU_VR4121] = "NEC VR4121",
[CPU_VR4122] = "NEC VR4122",
[CPU_VR4131] = "NEC VR4131",
[CPU_VR4133] = "NEC VR4133",
[CPU_VR4181] = "NEC VR4181",
[CPU_VR4181A] = "NEC VR4181A",
[CPU_SR71000] = "Sandcraft SR71000",
[CPU_BCM3302] = "Broadcom BCM3302",
[CPU_BCM4710] = "Broadcom BCM4710",
[CPU_PR4450] = "Philips PR4450",
[CPU_LOONGSON2] = "ICT Loongson-2",
};


static int show_cpuinfo(struct seq_file *m, void *v)
{
unsigned long n = (unsigned long) v - 1;
Expand All @@ -110,8 +38,7 @@ static int show_cpuinfo(struct seq_file *m, void *v)
seq_printf(m, "processor\t\t: %ld\n", n);
sprintf(fmt, "cpu model\t\t: %%s V%%d.%%d%s\n",
cpu_data[n].options & MIPS_CPU_FPU ? " FPU V%d.%d" : "");
seq_printf(m, fmt, cpu_name[cpu_data[n].cputype <= CPU_LAST ?
cpu_data[n].cputype : CPU_UNKNOWN],
seq_printf(m, fmt, __cpu_name[smp_processor_id()],
(version >> 4) & 0x0f, version & 0x0f,
(fp_vers >> 4) & 0x0f, fp_vers & 0x0f);
seq_printf(m, "BogoMIPS\t\t: %lu.%02lu\n",
Expand Down
3 changes: 2 additions & 1 deletion arch/mips/kernel/traps.c
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Original file line number Diff line number Diff line change
Expand Up @@ -295,7 +295,8 @@ void show_regs(struct pt_regs *regs)
if (1 <= cause && cause <= 5)
printk("BadVA : %0*lx\n", field, regs->cp0_badvaddr);

printk("PrId : %08x\n", read_c0_prid());
printk("PrId : %08x (%s)\n", read_c0_prid(),
cpu_name_string());
}

void show_registers(struct pt_regs *regs)
Expand Down
3 changes: 3 additions & 0 deletions include/asm-mips/cpu-info.h
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Original file line number Diff line number Diff line change
Expand Up @@ -74,4 +74,7 @@ extern struct cpuinfo_mips cpu_data[];
extern void cpu_probe(void);
extern void cpu_report(void);

extern const char *__cpu_name[];
#define cpu_name_string() __cpu_name[smp_processor_id()]

#endif /* __ASM_CPU_INFO_H */

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