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sparc: Probe PMU type and record in sparc_pmu_type. 

Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
David S. Miller 2009-01-21 23:16:40 -08:00
parent 3eb8057bba
commit c3cf5e8cc5
3 changed files with 25 additions and 11 deletions
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33
arch/sparc/kernel/cpu.c
View File

@ -26,6 +26,7 @@ EXPORT_PER_CPU_SYMBOL(__cpu_data);
struct cpu_info {
int psr_vers;
const char *name;
const char *pmu_name;
};
struct fpu_info {
@ -45,6 +46,9 @@ struct manufacturer_info {
#define CPU(ver, _name) \
{ .psr_vers = ver, .name = _name }
#define CPU_PMU(ver, _name, _pmu_name) \
{ .psr_vers = ver, .name = _name, .pmu_name = _pmu_name }
#define FPU(ver, _name) \
{ .fp_vers = ver, .name = _name }
@ -183,10 +187,10 @@ static const struct manufacturer_info __initconst manufacturer_info[] = {
},{
0x17,
.cpu_info = {
CPU(0x10, "TI UltraSparc I (SpitFire)"),
CPU(0x11, "TI UltraSparc II (BlackBird)"),
CPU(0x12, "TI UltraSparc IIi (Sabre)"),
CPU(0x13, "TI UltraSparc IIe (Hummingbird)"),
CPU_PMU(0x10, "TI UltraSparc I (SpitFire)", "ultra12"),
CPU_PMU(0x11, "TI UltraSparc II (BlackBird)", "ultra12"),
CPU_PMU(0x12, "TI UltraSparc IIi (Sabre)", "ultra12"),
CPU_PMU(0x13, "TI UltraSparc IIe (Hummingbird)", "ultra12"),
CPU(-1, NULL)
},
.fpu_info = {
@ -199,7 +203,7 @@ static const struct manufacturer_info __initconst manufacturer_info[] = {
},{
0x22,
.cpu_info = {
CPU(0x10, "TI UltraSparc I (SpitFire)"),
CPU_PMU(0x10, "TI UltraSparc I (SpitFire)", "ultra12"),
CPU(-1, NULL)
},
.fpu_info = {
@ -209,12 +213,12 @@ static const struct manufacturer_info __initconst manufacturer_info[] = {
},{
0x3e,
.cpu_info = {
CPU(0x14, "TI UltraSparc III (Cheetah)"),
CPU(0x15, "TI UltraSparc III+ (Cheetah+)"),
CPU(0x16, "TI UltraSparc IIIi (Jalapeno)"),
CPU(0x18, "TI UltraSparc IV (Jaguar)"),
CPU(0x19, "TI UltraSparc IV+ (Panther)"),
CPU(0x22, "TI UltraSparc IIIi+ (Serrano)"),
CPU_PMU(0x14, "TI UltraSparc III (Cheetah)", "ultra3"),
CPU_PMU(0x15, "TI UltraSparc III+ (Cheetah+)", "ultra3+"),
CPU_PMU(0x16, "TI UltraSparc IIIi (Jalapeno)", "ultra3i"),
CPU_PMU(0x18, "TI UltraSparc IV (Jaguar)", "ultra3+"),
CPU_PMU(0x19, "TI UltraSparc IV+ (Panther)", "ultra4+"),
CPU_PMU(0x22, "TI UltraSparc IIIi+ (Serrano)", "ultra3i"),
CPU(-1, NULL)
},
.fpu_info = {
@ -234,6 +238,7 @@ static const struct manufacturer_info __initconst manufacturer_info[] = {
const char *sparc_cpu_type;
const char *sparc_fpu_type;
const char *sparc_pmu_type;
unsigned int fsr_storage;
@ -244,6 +249,7 @@ static void set_cpu_and_fpu(int psr_impl, int psr_vers, int fpu_vers)
sparc_cpu_type = NULL;
sparc_fpu_type = NULL;
sparc_pmu_type = NULL;
manuf = NULL;
for (i = 0; i < ARRAY_SIZE(manufacturer_info); i++)
@ -263,6 +269,7 @@ static void set_cpu_and_fpu(int psr_impl, int psr_vers, int fpu_vers)
{
if (cpu->psr_vers == psr_vers) {
sparc_cpu_type = cpu->name;
sparc_pmu_type = cpu->pmu_name;
sparc_fpu_type = "No FPU";
break;
}
@ -290,6 +297,8 @@ static void set_cpu_and_fpu(int psr_impl, int psr_vers, int fpu_vers)
psr_impl, fpu_vers);
sparc_fpu_type = "Unknown FPU";
}
if (sparc_pmu_type == NULL)
sparc_pmu_type = "Unknown PMU";
}
#ifdef CONFIG_SPARC32
@ -315,11 +324,13 @@ static void __init sun4v_cpu_probe(void)
case SUN4V_CHIP_NIAGARA1:
sparc_cpu_type = "UltraSparc T1 (Niagara)";
sparc_fpu_type = "UltraSparc T1 integrated FPU";
sparc_pmu_type = "niagara";
break;
case SUN4V_CHIP_NIAGARA2:
sparc_cpu_type = "UltraSparc T2 (Niagara2)";
sparc_fpu_type = "UltraSparc T2 integrated FPU";
sparc_pmu_type = "niagara2";
break;
default:

1
arch/sparc/kernel/kernel.h
View File

@ -5,6 +5,7 @@
/* cpu.c */
extern const char *sparc_cpu_type;
extern const char *sparc_pmu_type;
extern const char *sparc_fpu_type;
extern unsigned int fsr_storage;

2
arch/sparc/kernel/setup_64.c
View File

@ -354,6 +354,7 @@ static int show_cpuinfo(struct seq_file *m, void *__unused)
seq_printf(m,
"cpu\t\t: %s\n"
"fpu\t\t: %s\n"
"pmu\t\t: %s\n"
"prom\t\t: %s\n"
"type\t\t: %s\n"
"ncpus probed\t: %d\n"
@ -366,6 +367,7 @@ static int show_cpuinfo(struct seq_file *m, void *__unused)
,
sparc_cpu_type,
sparc_fpu_type,
sparc_pmu_type,
prom_version,
((tlb_type == hypervisor) ?
"sun4v" :