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-rw-r--r--src/mainboard/google/hatch/variants/puff/overridetree.cb5
1 files changed, 5 insertions, 0 deletions
diff --git a/src/mainboard/google/hatch/variants/puff/overridetree.cb b/src/mainboard/google/hatch/variants/puff/overridetree.cb
index 402b98bc9a..2e40ba9fc1 100644
--- a/src/mainboard/google/hatch/variants/puff/overridetree.cb
+++ b/src/mainboard/google/hatch/variants/puff/overridetree.cb
@@ -171,6 +171,11 @@ chip soc/intel/cannonlake
# GPIO for SD card detect
register "sdcard_cd_gpio" = "vSD3_CD_B"
+ # SATA port 1 Gen3 Strength
+ # Port1 Tx De-Emphasis = 20*log(0x20/64) = -6dB
+ register "sata_port[1].TxGen3DeEmphEnable" = "1"
+ register "sata_port[1].TxGen3DeEmph" = "0x20"
+
device domain 0 on
device pci 14.0 on
chip drivers/usb/acpi