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Diffstat (limited to 'arch/mips/kernel/cpu-probe.c')
-rw-r--r--arch/mips/kernel/cpu-probe.c11
1 files changed, 8 insertions, 3 deletions
diff --git a/arch/mips/kernel/cpu-probe.c b/arch/mips/kernel/cpu-probe.c
index bc58bd10a607..b1fb7af3c350 100644
--- a/arch/mips/kernel/cpu-probe.c
+++ b/arch/mips/kernel/cpu-probe.c
@@ -142,7 +142,7 @@ int __cpuinitdata mips_dsp_disabled;
static int __init dsp_disable(char *s)
{
- cpu_data[0].ases &= ~MIPS_ASE_DSP;
+ cpu_data[0].ases &= ~(MIPS_ASE_DSP | MIPS_ASE_DSP2P);
mips_dsp_disabled = 1;
return 1;
@@ -429,6 +429,8 @@ static inline unsigned int decode_config3(struct cpuinfo_mips *c)
c->options |= MIPS_CPU_RIXI;
if (config3 & MIPS_CONF3_DSP)
c->ases |= MIPS_ASE_DSP;
+ if (config3 & MIPS_CONF3_DSP2P)
+ c->ases |= MIPS_ASE_DSP2P;
if (config3 & MIPS_CONF3_VINT)
c->options |= MIPS_CPU_VINT;
if (config3 & MIPS_CONF3_VEIC)
@@ -1180,7 +1182,7 @@ __cpuinit void cpu_probe(void)
c->options &= ~MIPS_CPU_FPU;
if (mips_dsp_disabled)
- c->ases &= ~MIPS_ASE_DSP;
+ c->ases &= ~(MIPS_ASE_DSP | MIPS_ASE_DSP2P);
if (c->options & MIPS_CPU_FPU) {
c->fpu_id = cpu_get_fpu_id();
@@ -1194,8 +1196,11 @@ __cpuinit void cpu_probe(void)
}
}
- if (cpu_has_mips_r2)
+ if (cpu_has_mips_r2) {
c->srsets = ((read_c0_srsctl() >> 26) & 0x0f) + 1;
+ /* R2 has Performance Counter Interrupt indicator */
+ c->options |= MIPS_CPU_PCI;
+ }
else
c->srsets = 1;