Kevin Chiu (Kevin.Chiu@quantatw.com) just uploaded a new patch set to gerrit, which you can find at https://review.coreboot.org/18229
-gerrit
commit d026d27a33915c28e6944641826ad50f9b012224 Author: Kevin Chiu Kevin.Chiu@quantatw.com Date: Wed Jan 25 23:06:23 2017 +0800
google/pyro: Add USB2 phy setting override
In order to pass type A USB2 eye diagram, USB2 port#0/#1 PHY register will need to be overridden. port#0: PERPORTPETXISET = 7 PERPORTTXISET = 1 IUSBTXEMPHASISEN = 3 PERPORTTXPEHALF = 0
port#1: PERPORTPETXISET = 7 PERPORTTXISET = 2 IUSBTXEMPHASISEN = 3 PERPORTTXPEHALF = 0
BUG=chrome-os-partner:59491 BRANCH=reef TEST=emerge-pyro coreboot Change-Id: I8e67a6f0192d1c0abf6ec4926c2a17e44c818948 Signed-off-by: Kevin Chiu Kevin.Chiu@quantatw.com --- src/mainboard/google/reef/variants/pyro/devicetree.cb | 16 ++++++++++++++++ 1 file changed, 16 insertions(+)
diff --git a/src/mainboard/google/reef/variants/pyro/devicetree.cb b/src/mainboard/google/reef/variants/pyro/devicetree.cb index f7551d6..e8bd7fa 100644 --- a/src/mainboard/google/reef/variants/pyro/devicetree.cb +++ b/src/mainboard/google/reef/variants/pyro/devicetree.cb @@ -105,6 +105,22 @@ chip soc/intel/apollolake # Minimum SLP S3 assertion width 28ms. register "slp_s3_assertion_width_usecs" = "28000"
+ # Override USB2 PER PORT register (PORT 0) + register "usb2eye[0]" = "{ + .Usb20PerPortPeTxiSet = 7, + .Usb20PerPortTxiSet = 1, + .Usb20IUsbTxEmphasisEn = 3, + .Usb20PerPortTxPeHalf = 0, + }" + + # Override USB2 PER PORT register (PORT 1) + register "usb2eye[1]" = "{ + .Usb20PerPortPeTxiSet = 7, + .Usb20PerPortTxiSet = 2, + .Usb20IUsbTxEmphasisEn = 3, + .Usb20PerPortTxPeHalf = 0, + }" + device domain 0 on device pci 00.0 on end # - Host Bridge device pci 00.1 on end # - DPTF