diff options
Diffstat (limited to 'arch/mips/kernel/cpu-probe.c')
| -rw-r--r-- | arch/mips/kernel/cpu-probe.c | 21 |
1 files changed, 17 insertions, 4 deletions
diff --git a/arch/mips/kernel/cpu-probe.c b/arch/mips/kernel/cpu-probe.c index 1b51046191e8..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; @@ -421,10 +421,16 @@ static inline unsigned int decode_config3(struct cpuinfo_mips *c) config3 = read_c0_config3(); - if (config3 & MIPS_CONF3_SM) + if (config3 & MIPS_CONF3_SM) { c->ases |= MIPS_ASE_SMARTMIPS; + c->options |= MIPS_CPU_RIXI; + } + if (config3 & MIPS_CONF3_RXI) + 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) @@ -857,6 +863,10 @@ static inline void cpu_probe_mips(struct cpuinfo_mips *c, unsigned int cpu) c->cputype = CPU_1004K; __cpu_name[cpu] = "MIPS 1004Kc"; break; + case PRID_IMP_1074K: + c->cputype = CPU_74K; + __cpu_name[cpu] = "MIPS 1074Kc"; + break; } spram_config(); @@ -1172,7 +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(); @@ -1186,8 +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; |