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| author | Ivy Jian <ivy_jian@compal.corp-partner.google.com> | 2021-08-12 12:06:38 +0800 |
|---|---|---|
| committer | Nick Vaccaro <nvaccaro@google.com> | 2021-08-13 18:04:26 +0000 |
| commit | 13bf4dde29d9ac0b3142a5558d9663f9734fc2c1 (patch) | |
| tree | b47d67884e31cc15897ef615665a499a815186cb | |
| parent | bcc74afa73609f1555fca146196ef3179ae841f4 (diff) | |
| download | coreboot-13bf4dde29d9ac0b3142a5558d9663f9734fc2c1.tar.gz coreboot-13bf4dde29d9ac0b3142a5558d9663f9734fc2c1.tar.bz2 coreboot-13bf4dde29d9ac0b3142a5558d9663f9734fc2c1.zip | |
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>
| -rw-r--r-- | src/mainboard/google/guybrush/variants/baseboard/devicetree.cb | 4 |
1 files 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 f9a1201d68e2..c707c0fcc3b9 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, }, |