Hello Shreesh Chhabbi,
I'd like you to do a code review. Please visit
https://review.coreboot.org/c/coreboot/+/43992
to review the following change.
Change subject: mainboard/intel/tgl: Customize PCH VR settings for better Sx power savings ......................................................................
mainboard/intel/tgl: Customize PCH VR settings for better Sx power savings
Change-Id: Ic889d0952b75a636d2186d81fb679f74d50e7048 Signed-off-by: Shreesh Chhabbi shreesh.chhabbi@intel.corp-partner.google.com --- M src/mainboard/intel/tglrvp/variants/tglrvp_up3/devicetree.cb M src/mainboard/intel/tglrvp/variants/tglrvp_up4/devicetree.cb 2 files changed, 28 insertions(+), 0 deletions(-)
git pull ssh://review.coreboot.org:29418/coreboot refs/changes/92/43992/1
diff --git a/src/mainboard/intel/tglrvp/variants/tglrvp_up3/devicetree.cb b/src/mainboard/intel/tglrvp/variants/tglrvp_up3/devicetree.cb index b4a121a..1aa1f26 100644 --- a/src/mainboard/intel/tglrvp/variants/tglrvp_up3/devicetree.cb +++ b/src/mainboard/intel/tglrvp/variants/tglrvp_up3/devicetree.cb @@ -151,6 +151,20 @@ }, }"
+ register "ext_fivr_settings" = "{ + .configure_ext_fivr = 1, + .v1p05_enable_bitmap = FIVR_ENABLE_ALL_SX, + .vnn_enable_bitmap = FIVR_ENABLE_ALL_SX, + .v1p05_supported_voltage_bitmap = FIVR_VOLTAGE_NORMAL | + FIVR_VOLTAGE_MIN_ACTIVE | + FIVR_VOLTAGE_MIN_RETENTION, + .vnn_supported_voltage_bitmap = FIVR_VOLTAGE_NORMAL | + FIVR_VOLTAGE_MIN_ACTIVE | + FIVR_VOLTAGE_MIN_RETENTION, + .v1p05_icc_max_ma = 500, + .vnn_sx_voltage_mv = 1250, + }" + device domain 0 on #From EDS(575683) device pci 00.0 on end # Host Bridge 0x9A14:U/0x9A12:Y diff --git a/src/mainboard/intel/tglrvp/variants/tglrvp_up4/devicetree.cb b/src/mainboard/intel/tglrvp/variants/tglrvp_up4/devicetree.cb index b08cd3c..169433b 100644 --- a/src/mainboard/intel/tglrvp/variants/tglrvp_up4/devicetree.cb +++ b/src/mainboard/intel/tglrvp/variants/tglrvp_up4/devicetree.cb @@ -147,6 +147,20 @@ }, }"
+ register "ext_fivr_settings" = "{ + .configure_ext_fivr = 1, + .v1p05_enable_bitmap = FIVR_ENABLE_ALL_SX, + .vnn_enable_bitmap = FIVR_ENABLE_ALL_SX, + .v1p05_supported_voltage_bitmap = FIVR_VOLTAGE_NORMAL | + FIVR_VOLTAGE_MIN_ACTIVE | + FIVR_VOLTAGE_MIN_RETENTION, + .vnn_supported_voltage_bitmap = FIVR_VOLTAGE_NORMAL | + FIVR_VOLTAGE_MIN_ACTIVE | + FIVR_VOLTAGE_MIN_RETENTION, + .v1p05_icc_max_ma = 500, + .vnn_sx_voltage_mv = 1250, + }" + device domain 0 on #From EDS(575683) device pci 00.0 on end # Host Bridge 0x9A14:U/0x9A12:Y