From 3be35976d6a640d0bc4fd40e232b6499b170431f Mon Sep 17 00:00:00 2001 From: Kevin Chiu Date: Thu, 8 Feb 2018 15:58:37 +0800 Subject: 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 Reviewed-on: https://review.coreboot.org/23649 Reviewed-by: Aaron Durbin Tested-by: build bot (Jenkins) --- src/mainboard/google/reef/variants/snappy/mainboard.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) (limited to 'src') 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; -- cgit v1.2.3