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Diffstat (limited to 'src/soc/intel/jasperlake/cpu.c')
-rw-r--r--src/soc/intel/jasperlake/cpu.c36
1 files changed, 0 insertions, 36 deletions
diff --git a/src/soc/intel/jasperlake/cpu.c b/src/soc/intel/jasperlake/cpu.c
index 2533fe076e..0c84468d6c 100644
--- a/src/soc/intel/jasperlake/cpu.c
+++ b/src/soc/intel/jasperlake/cpu.c
@@ -137,39 +137,6 @@ static void set_energy_perf_bias(u8 policy)
wrmsr(IA32_ENERGY_PERF_BIAS, msr);
}
-static void configure_c_states(void)
-{
- msr_t msr;
-
- /* C-state Interrupt Response Latency Control 1 - package C6/C7 short */
- msr.hi = 0;
- msr.lo = IRTL_VALID | IRTL_32768_NS | C_STATE_LATENCY_CONTROL_1_LIMIT;
- wrmsr(MSR_C_STATE_LATENCY_CONTROL_1, msr);
-
- /* C-state Interrupt Response Latency Control 2 - package C6/C7 long */
- msr.hi = 0;
- msr.lo = IRTL_VALID | IRTL_32768_NS | C_STATE_LATENCY_CONTROL_2_LIMIT;
- wrmsr(MSR_C_STATE_LATENCY_CONTROL_2, msr);
-
- /* C-state Interrupt Response Latency Control 3 - package C8 */
- msr.hi = 0;
- msr.lo = IRTL_VALID | IRTL_32768_NS |
- C_STATE_LATENCY_CONTROL_3_LIMIT;
- wrmsr(MSR_C_STATE_LATENCY_CONTROL_3, msr);
-
- /* C-state Interrupt Response Latency Control 4 - package C9 */
- msr.hi = 0;
- msr.lo = IRTL_VALID | IRTL_32768_NS |
- C_STATE_LATENCY_CONTROL_4_LIMIT;
- wrmsr(MSR_C_STATE_LATENCY_CONTROL_4, msr);
-
- /* C-state Interrupt Response Latency Control 5 - package C10 */
- msr.hi = 0;
- msr.lo = IRTL_VALID | IRTL_32768_NS |
- C_STATE_LATENCY_CONTROL_5_LIMIT;
- wrmsr(MSR_C_STATE_LATENCY_CONTROL_5, msr);
-}
-
/* All CPUs including BSP will run the following function. */
void soc_core_init(struct device *cpu)
{
@@ -183,9 +150,6 @@ void soc_core_init(struct device *cpu)
enable_lapic_tpr();
setup_lapic();
- /* Configure c-state interrupt response time */
- configure_c_states();
-
/* Configure Enhanced SpeedStep and Thermal Sensors */
configure_misc();