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-rw-r--r--src/mainboard/google/brya/variants/trulo/overridetree.cb19
1 files changed, 19 insertions, 0 deletions
diff --git a/src/mainboard/google/brya/variants/trulo/overridetree.cb b/src/mainboard/google/brya/variants/trulo/overridetree.cb
index d5cb4f624c..19a533d6b2 100644
--- a/src/mainboard/google/brya/variants/trulo/overridetree.cb
+++ b/src/mainboard/google/brya/variants/trulo/overridetree.cb
@@ -103,6 +103,21 @@ chip soc/intel/alderlake
register "pch_hda_idisp_link_frequency" = "HDA_LINKFREQ_96MHZ"
register "pch_hda_idisp_codec_enable" = "1"
+ # Configure external V1P05/Vnn/VnnSx Rails
+ register "ext_fivr_settings" = "{
+ .configure_ext_fivr = 1,
+ .v1p05_enable_bitmap = FIVR_ENABLE_ALL_SX & ~FIVR_ENABLE_S0,
+ .vnn_enable_bitmap = FIVR_ENABLE_ALL_SX,
+ .vnn_sx_enable_bitmap = FIVR_ENABLE_ALL_SX,
+ .v1p05_supported_voltage_bitmap = FIVR_VOLTAGE_NORMAL,
+ .vnn_supported_voltage_bitmap = FIVR_VOLTAGE_MIN_ACTIVE,
+ .v1p05_voltage_mv = 1050,
+ .vnn_voltage_mv = 780,
+ .vnn_sx_voltage_mv = 1050,
+ .v1p05_icc_max_ma = 500,
+ .vnn_icc_max_ma = 500,
+ }"
+
register "serial_io_i2c_mode" = "{
[PchSerialIoIndexI2C0] = PchSerialIoPci,
[PchSerialIoIndexI2C1] = PchSerialIoPci,
@@ -123,6 +138,10 @@ chip soc/intel/alderlake
[PchSerialIoIndexUART2] = PchSerialIoDisabled,
}"
+ # FIXME: To be enabled in future based on PNP impact data.
+ # Disable Package C-state demotion for nissa baseboard.
+ register "disable_package_c_state_demotion" = "1"
+
# Intel Common SoC Config
#+-------------------+---------------------------+
#| Field | Value |