From 13bf4dde29d9ac0b3142a5558d9663f9734fc2c1 Mon Sep 17 00:00:00 2001
From: Ivy Jian <ivy_jian@compal.corp-partner.google.com>
Date: Thu, 12 Aug 2021 12:06:38 +0800
Subject: [PATCH] mb/google/guybrush: update USB 2.0 Lane Parameter settings
 for USB port5

Tune the USB phy settings to update TXVREFTUNE0/COMPDISTUNE0 to
higher value for USB port 5 (Type-A).

BUG=b:194053549
TEST= Pass USB 2.0 SI Eye diagram measurement.

Signed-off-by: Ivy Jian <ivy_jian@compal.corp-partner.google.com>
Change-Id: Id1ede34bdbee0c1f9f7d10fc7ffbc9648af31e3e
Reviewed-on: https://review.coreboot.org/c/coreboot/+/56925
Reviewed-by: Rob Barnes <robbarnes@google.com>
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
---
 .../google/guybrush/variants/baseboard/devicetree.cb          | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/src/mainboard/google/guybrush/variants/baseboard/devicetree.cb b/src/mainboard/google/guybrush/variants/baseboard/devicetree.cb
index f9a1201d68..c707c0fcc3 100644
--- a/src/mainboard/google/guybrush/variants/baseboard/devicetree.cb
+++ b/src/mainboard/google/guybrush/variants/baseboard/devicetree.cb
@@ -118,13 +118,13 @@ chip soc/amd/cezanne
 			.txrestune = 1,
 		},
 		.Usb2PhyPort[5] = {
-			.compdstune = 3,
+			.compdstune = 5,
 			.sqrxtune = 3,
 			.txfslstune = 3,
 			.txpreempamptune = 1,
 			.txpreemppulsetune = 0,
 			.txrisetune = 1,
-			.txvreftune = 6,
+			.txvreftune = 9,
 			.txhsxvtune = 3,
 			.txrestune = 1,
 		},