[coreboot-gerrit] Change in coreboot[master]: google/snappy: enhance CCD type-A USB 2.0 phy strength
Kevin Chiu (Code Review)
gerrit at coreboot.org
Fri Mar 2 04:56:30 CET 2018
Kevin Chiu has uploaded this change for review. ( https://review.coreboot.org/24969
Change subject: google/snappy: enhance CCD type-A USB 2.0 phy strength
......................................................................
google/snappy: enhance CCD type-A USB 2.0 phy strength
Alan(11")/BigDaddy(14") right type-A(port#2), CCD(port#4) are occasionally
undetectable.
USB 2.0 phy will need to override to enhance strength.
right type-A port#2
PERPORTPETXISET: 4
PERPORTTXISET: 4
IUSBTXEMPHASISEN: 1
PERPORTTXPEHALF: 0
CCD port#4
PERPORTPETXISET: 7
PERPORTTXISET: 7
IUSBTXEMPHASISEN: 1
PERPORTTXPEHALF: 0
BUG=b:72922816
BRANCH=reef
TEST=emerge-snappy coreboot
Change-Id: I2b18c11709280d00ec3a6ef10f93a416acb4fb45
Signed-off-by: Kevin Chiu <Kevin.Chiu at quantatw.com>
---
M src/mainboard/google/reef/variants/snappy/mainboard.c
1 file changed, 21 insertions(+), 0 deletions(-)
git pull ssh://review.coreboot.org:29418/coreboot refs/changes/69/24969/1
diff --git a/src/mainboard/google/reef/variants/snappy/mainboard.c b/src/mainboard/google/reef/variants/snappy/mainboard.c
index 990f483..a625c60 100644
--- a/src/mainboard/google/reef/variants/snappy/mainboard.c
+++ b/src/mainboard/google/reef/variants/snappy/mainboard.c
@@ -89,12 +89,33 @@
sku_id = variant_board_sku();
switch (sku_id) {
+ case SKU_ALAN:
+ cfg->usb2eye[2].Usb20PerPortPeTxiSet = 4;
+ cfg->usb2eye[2].Usb20PerPortTxiSet = 4;
+ cfg->usb2eye[2].Usb20IUsbTxEmphasisEn = 1;
+ cfg->usb2eye[2].Usb20PerPortTxPeHalf = 0;
+
+ cfg->usb2eye[4].Usb20PerPortPeTxiSet = 7;
+ cfg->usb2eye[4].Usb20PerPortTxiSet = 7;
+ cfg->usb2eye[4].Usb20IUsbTxEmphasisEn = 1;
+ cfg->usb2eye[4].Usb20PerPortTxPeHalf = 0;
+ break;
case SKU_BIGDADDY_KBDBKLIGHT:
case SKU_BIGDADDY:
cfg->usb2eye[1].Usb20PerPortPeTxiSet = 7;
cfg->usb2eye[1].Usb20PerPortTxiSet = 1;
cfg->usb2eye[1].Usb20IUsbTxEmphasisEn = 3;
cfg->usb2eye[1].Usb20PerPortTxPeHalf = 0;
+
+ cfg->usb2eye[2].Usb20PerPortPeTxiSet = 4;
+ cfg->usb2eye[2].Usb20PerPortTxiSet = 4;
+ cfg->usb2eye[2].Usb20IUsbTxEmphasisEn = 1;
+ cfg->usb2eye[2].Usb20PerPortTxPeHalf = 0;
+
+ cfg->usb2eye[4].Usb20PerPortPeTxiSet = 7;
+ cfg->usb2eye[4].Usb20PerPortTxiSet = 7;
+ cfg->usb2eye[4].Usb20IUsbTxEmphasisEn = 1;
+ cfg->usb2eye[4].Usb20PerPortTxPeHalf = 0;
break;
default:
break;
--
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Gerrit-Project: coreboot
Gerrit-Branch: master
Gerrit-MessageType: newchange
Gerrit-Change-Id: I2b18c11709280d00ec3a6ef10f93a416acb4fb45
Gerrit-Change-Number: 24969
Gerrit-PatchSet: 1
Gerrit-Owner: Kevin Chiu <Kevin.Chiu at quantatw.com>
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