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-rw-r--r--src/cpu/intel/model_206ax/model_206ax_init.c15
1 files changed, 12 insertions, 3 deletions
diff --git a/src/cpu/intel/model_206ax/model_206ax_init.c b/src/cpu/intel/model_206ax/model_206ax_init.c
index cdec3a6f46..8a4dd3f19a 100644
--- a/src/cpu/intel/model_206ax/model_206ax_init.c
+++ b/src/cpu/intel/model_206ax/model_206ax_init.c
@@ -190,17 +190,26 @@ static void configure_c_states(struct device *dev)
/* C3 Interrupt Response Time Limit */
msr.hi = 0;
- msr.lo = IRTL_VALID | IRTL_1024_NS | 0x50;
+ if (IS_IVY_CPU(cpu_get_cpuid()))
+ msr.lo = IRTL_VALID | IRTL_1024_NS | 0x3b;
+ else
+ msr.lo = IRTL_VALID | IRTL_1024_NS | 0x50;
wrmsr(MSR_PKGC3_IRTL, msr);
/* C6 Interrupt Response Time Limit */
msr.hi = 0;
- msr.lo = IRTL_VALID | IRTL_1024_NS | 0x68;
+ if (IS_IVY_CPU(cpu_get_cpuid()))
+ msr.lo = IRTL_VALID | IRTL_1024_NS | 0x50;
+ else
+ msr.lo = IRTL_VALID | IRTL_1024_NS | 0x68;
wrmsr(MSR_PKGC6_IRTL, msr);
/* C7 Interrupt Response Time Limit */
msr.hi = 0;
- msr.lo = IRTL_VALID | IRTL_1024_NS | 0x6D;
+ if (IS_IVY_CPU(cpu_get_cpuid()))
+ msr.lo = IRTL_VALID | IRTL_1024_NS | 0x57;
+ else
+ msr.lo = IRTL_VALID | IRTL_1024_NS | 0x6D;
wrmsr(MSR_PKGC7_IRTL, msr);
/* Primary Plane Current Limit (Icc) */