diff options
Diffstat (limited to 'src/soc/intel/cannonlake')
| -rw-r--r-- | src/soc/intel/cannonlake/cpu.c | 15 | ||||
| -rw-r--r-- | src/soc/intel/cannonlake/include/soc/cpu.h | 14 |
2 files changed, 17 insertions, 12 deletions
diff --git a/src/soc/intel/cannonlake/cpu.c b/src/soc/intel/cannonlake/cpu.c index 69ab1d54c5..be6f13c48a 100644 --- a/src/soc/intel/cannonlake/cpu.c +++ b/src/soc/intel/cannonlake/cpu.c @@ -65,31 +65,36 @@ static void configure_c_states(const config_t *const cfg) wrmsr(MSR_PKG_CST_CONFIG_CONTROL, msr); } + /* C-state Interrupt Response Latency Control 0 - package C3 latency */ + msr.hi = 0; + msr.lo = IRTL_VALID | IRTL_1024_NS | C_STATE_LATENCY_CONTROL_0_LIMIT; + wrmsr(MSR_C_STATE_LATENCY_CONTROL_0, 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; + msr.lo = IRTL_VALID | IRTL_1024_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; + msr.lo = IRTL_VALID | IRTL_1024_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 | + msr.lo = IRTL_VALID | IRTL_1024_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 | + msr.lo = IRTL_VALID | IRTL_1024_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 | + msr.lo = IRTL_VALID | IRTL_1024_NS | C_STATE_LATENCY_CONTROL_5_LIMIT; wrmsr(MSR_C_STATE_LATENCY_CONTROL_5, msr); } diff --git a/src/soc/intel/cannonlake/include/soc/cpu.h b/src/soc/intel/cannonlake/include/soc/cpu.h index 3542a2b8a4..3456847752 100644 --- a/src/soc/intel/cannonlake/include/soc/cpu.h +++ b/src/soc/intel/cannonlake/include/soc/cpu.h @@ -6,13 +6,13 @@ #include <device/device.h> #include <intelblocks/msr.h> -/* Latency times in units of 32768ns */ -#define C_STATE_LATENCY_CONTROL_0_LIMIT 0x9d -#define C_STATE_LATENCY_CONTROL_1_LIMIT 0x9d -#define C_STATE_LATENCY_CONTROL_2_LIMIT 0x9d -#define C_STATE_LATENCY_CONTROL_3_LIMIT 0x9d -#define C_STATE_LATENCY_CONTROL_4_LIMIT 0x9d -#define C_STATE_LATENCY_CONTROL_5_LIMIT 0x9d +/* Latency times in units of 1024ns. */ +#define C_STATE_LATENCY_CONTROL_0_LIMIT 0x4e +#define C_STATE_LATENCY_CONTROL_1_LIMIT 0x76 +#define C_STATE_LATENCY_CONTROL_2_LIMIT 0x94 +#define C_STATE_LATENCY_CONTROL_3_LIMIT 0xfa +#define C_STATE_LATENCY_CONTROL_4_LIMIT 0x14c +#define C_STATE_LATENCY_CONTROL_5_LIMIT 0x3f2 /* Power in units of mW */ #define C1_POWER 0x3e8 |