[MIPS] Make facility to convert CPU types to strings generally available.

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>

4 files changed, 97 insertions, 77 deletions

diff --git a/arch/mips/kernel/cpu-probe.c b/arch/mips/kernel/cpu-probe.c
index dde2adf..234c7f5 100644
--- a/arch/mips/kernel/cpu-probe.c
+++ b/arch/mips/kernel/cpu-probe.c
@@ -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;
@@ -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);
 }
diff --git a/arch/mips/kernel/proc.c b/arch/mips/kernel/proc.c
index accd520..efd2d13 100644
--- a/arch/mips/kernel/proc.c
+++ b/arch/mips/kernel/proc.c
@@ -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;
@@ -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",
diff --git a/arch/mips/kernel/traps.c b/arch/mips/kernel/traps.c
index b3e408b..632bce1 100644
--- a/arch/mips/kernel/traps.c
+++ b/arch/mips/kernel/traps.c
@@ -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)
diff --git a/include/asm-mips/cpu-info.h b/include/asm-mips/cpu-info.h
index 0468959..94f1c81 100644
--- a/include/asm-mips/cpu-info.h
+++ b/include/asm-mips/cpu-info.h
@@ -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 */