diff options
| -rw-r--r-- | src/mainboard/google/peppy/acpi/thermal.asl | 10 | ||||
| -rw-r--r-- | src/mainboard/google/peppy/acpi_tables.c | 13 | ||||
| -rw-r--r-- | src/mainboard/google/peppy/thermal.h | 15 |
3 files changed, 21 insertions, 17 deletions
diff --git a/src/mainboard/google/peppy/acpi/thermal.asl b/src/mainboard/google/peppy/acpi/thermal.asl index 69b6ac9834..67f83ef142 100644 --- a/src/mainboard/google/peppy/acpi/thermal.asl +++ b/src/mainboard/google/peppy/acpi/thermal.asl @@ -126,12 +126,18 @@ Scope (\_TZ) } Method (_ON) { Store (0, \FLVL) - \_SB.PCI0.MCHC.STND () + + /* Enable Power Limit */ + \_SB.PCI0.MCHC.CTLE (\F0PW) + Notify (\_TZ.THRM, 0x81) } Method (_OFF) { Store (1, \FLVL) - \_SB.PCI0.MCHC.STDN () + + /* Disable Power Limit */ + \_SB.PCI0.MCHC.CTLD () + Notify (\_TZ.THRM, 0x81) } } diff --git a/src/mainboard/google/peppy/acpi_tables.c b/src/mainboard/google/peppy/acpi_tables.c index 7a3ccea50c..4d862ca29a 100644 --- a/src/mainboard/google/peppy/acpi_tables.c +++ b/src/mainboard/google/peppy/acpi_tables.c @@ -44,13 +44,16 @@ unsigned long acpi_create_slic(unsigned long current); static void acpi_update_thermal_table(global_nvs_t *gnvs) { - gnvs->tmps = CTDP_SENSOR_ID; + gnvs->tmps = CTL_TDP_SENSOR_ID; - gnvs->f1of = CTDP_NOMINAL_THRESHOLD_OFF; - gnvs->f1on = CTDP_NOMINAL_THRESHOLD_ON; + /* Normal TDP */ + gnvs->f1of = 0; + gnvs->f1on = 0; - gnvs->f0of = CTDP_DOWN_THRESHOLD_OFF; - gnvs->f0on = CTDP_DOWN_THRESHOLD_ON; + /* Limited TDP */ + gnvs->f0of = CTL_TDP_THRESHOLD_OFF; + gnvs->f0on = CTL_TDP_THRESHOLD_ON; + gnvs->f0pw = CTL_TDP_POWER_LIMIT; gnvs->tcrt = CRITICAL_TEMPERATURE; gnvs->tpsv = PASSIVE_TEMPERATURE; diff --git a/src/mainboard/google/peppy/thermal.h b/src/mainboard/google/peppy/thermal.h index fceaeca6b9..a038502038 100644 --- a/src/mainboard/google/peppy/thermal.h +++ b/src/mainboard/google/peppy/thermal.h @@ -20,16 +20,11 @@ #ifndef THERMAL_H #define THERMAL_H -/* Config TDP Sensor ID */ -#define CTDP_SENSOR_ID 1 /* PECI */ - -/* Config TDP Nominal */ -#define CTDP_NOMINAL_THRESHOLD_OFF 0 -#define CTDP_NOMINAL_THRESHOLD_ON 0 - -/* Config TDP Down */ -#define CTDP_DOWN_THRESHOLD_OFF 80 -#define CTDP_DOWN_THRESHOLD_ON 90 +/* Control TDP Settings */ +#define CTL_TDP_SENSOR_ID 1 /* PECI */ +#define CTL_TDP_POWER_LIMIT 12 /* 12W */ +#define CTL_TDP_THRESHOLD_OFF 68 /* Normal at 68C */ +#define CTL_TDP_THRESHOLD_ON 73 /* Limited at 73C */ /* Temperature which OS will shutdown at */ #define CRITICAL_TEMPERATURE 104 |