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authorTyler Wang <tyler.wang@quanta.corp-partner.google.com>2022-05-24 18:37:24 +0800
committerPaul Fagerburg <pfagerburg@chromium.org>2022-06-03 15:23:22 +0000
commit322aa801d2a95fd5cb2d7f2fc7b871c91ef180a9 (patch)
tree68204948f6f649e9ab20cc783c6a7d7820567dd8 /src/mainboard
parent954af5293f3d72e8f389dff6f2a742f9fbdf56d7 (diff)
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mb/google/nissa/craask: Configure the external V1p05/Vnn/VnnSx
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>
Diffstat (limited to 'src/mainboard')
-rw-r--r--src/mainboard/google/brya/variants/craask/overridetree.cb15
1 files changed, 15 insertions, 0 deletions
diff --git a/src/mainboard/google/brya/variants/craask/overridetree.cb b/src/mainboard/google/brya/variants/craask/overridetree.cb
index ac9173226a3a..55fc1e405624 100644
--- a/src/mainboard/google/brya/variants/craask/overridetree.cb
+++ b/src/mainboard/google/brya/variants/craask/overridetree.cb
@@ -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