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-rw-r--r--src/soc/intel/meteorlake/chip.h24
-rw-r--r--src/soc/intel/meteorlake/chipset.cb4
-rw-r--r--src/soc/intel/meteorlake/romstage/fsp_params.c6
3 files changed, 34 insertions, 0 deletions
diff --git a/src/soc/intel/meteorlake/chip.h b/src/soc/intel/meteorlake/chip.h
index e860ba97e1..59b6a8b8a2 100644
--- a/src/soc/intel/meteorlake/chip.h
+++ b/src/soc/intel/meteorlake/chip.h
@@ -306,6 +306,30 @@ struct soc_intel_meteorlake_config {
*/
uint16_t fast_vmode_i_trip[NUM_VR_DOMAINS];
+ /*
+ * Power state current threshold 1.
+ * Defined in 1/4 A increments. A value of 400 = 100A. Range 0-512,
+ * which translates to 0-128A. 0 = AUTO. [0] for IA, [1] for GT, [2] for
+ * SA, [3] through [5] are Reserved.
+ */
+ uint16_t ps_cur_1_threshold[NUM_VR_DOMAINS];
+
+ /*
+ * Power state current threshold 2.
+ * Defined in 1/4 A increments. A value of 400 = 100A. Range 0-512,
+ * which translates to 0-128A. 0 = AUTO. [0] for IA, [1] for GT, [2] for
+ * SA, [3] through [5] are Reserved.
+ */
+ uint16_t ps_cur_2_threshold[NUM_VR_DOMAINS];
+
+ /*
+ * Power state current threshold 3.
+ * Defined in 1/4 A increments. A value of 400 = 100A. Range 0-512,
+ * which translates to 0-128A. 0 = AUTO. [0] for IA, [1] for GT, [2] for
+ * SA, [3] through [5] are Reserved.
+ */
+ uint16_t ps_cur_3_threshold[NUM_VR_DOMAINS];
+
uint8_t PmTimerDisabled;
/*
* SerialIO device mode selection:
diff --git a/src/soc/intel/meteorlake/chipset.cb b/src/soc/intel/meteorlake/chipset.cb
index 69d0df357d..865b3d0af7 100644
--- a/src/soc/intel/meteorlake/chipset.cb
+++ b/src/soc/intel/meteorlake/chipset.cb
@@ -17,6 +17,10 @@ chip soc/intel/meteorlake
# Reduce the size of BasicMemoryTests to speed up the boot time.
register "lower_basic_mem_test_size" = "true"
+ # The power state current threshold is defined in 1/4 A
+ # increments. A value of 400 = 100A.
+ register "ps_cur_2_threshold[VR_DOMAIN_SA]" = "40" # 10A
+
# NOTE: if any variant wants to override this value, use the same format
# as register "common_soc_config.pch_thermal_trip" = "value", instead of
# putting it under register "common_soc_config" in overridetree.cb file.
diff --git a/src/soc/intel/meteorlake/romstage/fsp_params.c b/src/soc/intel/meteorlake/romstage/fsp_params.c
index 8f64d4fb3c..2c39bcd0f5 100644
--- a/src/soc/intel/meteorlake/romstage/fsp_params.c
+++ b/src/soc/intel/meteorlake/romstage/fsp_params.c
@@ -238,6 +238,12 @@ static void fill_fspm_vr_config_params(FSP_M_CONFIG *m_cfg,
m_cfg->IccLimit[domain] = config->fast_vmode_i_trip[domain];
}
}
+ if (config->ps_cur_1_threshold[domain])
+ m_cfg->Psi1Threshold[domain] = config->ps_cur_1_threshold[domain];
+ if (config->ps_cur_2_threshold[domain])
+ m_cfg->Psi2Threshold[domain] = config->ps_cur_2_threshold[domain];
+ if (config->ps_cur_3_threshold[domain])
+ m_cfg->Psi3Threshold[domain] = config->ps_cur_3_threshold[domain];
}
}