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mb/google/nissa/craask: Configure the external V1p05/Vnn/VnnSx

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This patch configures external V1p05/Vnn/VnnSx rails for Craask
to achieve the better power savings.
* Enable the external V1p05, Vnn, VnnSx rails in S0i1, S0i2, S0i3, S3,
  S4, S5 , S0 states.
* Set the supported voltage states.
* Set the voltage for v1p05 and vnn.
* Set the ICC max for v1p05 and vnn.

BUG=b:233717182
TEST=emerge-nissa coreboot

Signed-off-by: Tyler Wang <tyler.wang@quanta.corp-partner.google.com>
Change-Id: I95d24c0836f3ee02006868341ccc72d762c155d3
Reviewed-on: https://review.coreboot.org/c/coreboot/+/64632
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Kangheui Won <khwon@chromium.org>
Reviewed-by: Reka Norman <rekanorman@chromium.org>
This commit is contained in:
Tyler Wang
2022-05-24 18:37:24 +08:00
committed by Paul Fagerburg
parent 954af5293f
commit 322aa801d2
1 changed files with 15 additions and 0 deletions
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15
src/mainboard/google/brya/variants/craask/overridetree.cb
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@@ -31,6 +31,21 @@ chip soc/intel/alderlake
register "usb2_ports[9]" = "USB2_PORT_MID(OC_SKIP)" # Bluetooth port for CNVi WLAN
# Configure external V1P05/Vnn/VnnSx Rails
register "ext_fivr_settings" = "{
.configure_ext_fivr = 1,
.v1p05_enable_bitmap = FIVR_ENABLE_ALL_SX,
.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,
}"
device domain 0 on
device ref ipu on
chip drivers/intel/mipi_camera