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authorKevin Chiu <Kevin.Chiu@quantatw.com>2018-02-08 15:58:37 +0800
committerAaron Durbin <adurbin@chromium.org>2018-02-12 03:54:23 +0000
commit3be35976d6a640d0bc4fd40e232b6499b170431f (patch)
tree5ca8c37f6e81d503f99b49cc439ef5569d9f65c0 /src/mainboard/google
parent1b64ae1119fc7891b043d5d29bf93859ef9dbfa1 (diff)
google/snappy: enhance BigDaddy USB#2 2.0 strength
Fine tune 14" BigDaddy USB#2 2.0 strength: PERPORTPETXISET: 7 PERPORTTXISET: 1 IUSBTXEMPHASISEN: 3 PERPORTTXPEHALF: 0 this value could have USB#2 2.0 EA/function pass. BUG=b:72922816 BRANCH=reef TEST=emerge-snappy coreboot Change-Id: I0ea1b966b7c02c95bf0ea1138a5629fd3b576439 Signed-off-by: Kevin Chiu <Kevin.Chiu@quantatw.com> Reviewed-on: https://review.coreboot.org/23649 Reviewed-by: Aaron Durbin <adurbin@chromium.org> Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Diffstat (limited to 'src/mainboard/google')
-rw-r--r--src/mainboard/google/reef/variants/snappy/mainboard.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/src/mainboard/google/reef/variants/snappy/mainboard.c b/src/mainboard/google/reef/variants/snappy/mainboard.c
index ac76a88a98..990f483e22 100644
--- a/src/mainboard/google/reef/variants/snappy/mainboard.c
+++ b/src/mainboard/google/reef/variants/snappy/mainboard.c
@@ -92,7 +92,7 @@ void mainboard_devtree_update(struct device *dev)
case SKU_BIGDADDY_KBDBKLIGHT:
case SKU_BIGDADDY:
cfg->usb2eye[1].Usb20PerPortPeTxiSet = 7;
- cfg->usb2eye[1].Usb20PerPortTxiSet = 7;
+ cfg->usb2eye[1].Usb20PerPortTxiSet = 1;
cfg->usb2eye[1].Usb20IUsbTxEmphasisEn = 3;
cfg->usb2eye[1].Usb20PerPortTxPeHalf = 0;
break;