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>
Reviewed-on: https://review.coreboot.org/18229
Reviewed-by: Aaron Durbin <adurbin@chromium.org>
Tested-by: build bot (Jenkins)
Reviewed-by: Paul Menzel <paulepanter@users.sourceforge.net>
diff --git a/src/mainboard/google/reef/variants/pyro/devicetree.cb b/src/mainboard/google/reef/variants/pyro/devicetree.cb
index 43e4c3d..41086f0 100644
--- a/src/mainboard/google/reef/variants/pyro/devicetree.cb
+++ b/src/mainboard/google/reef/variants/pyro/devicetree.cb
@@ -105,6 +105,22 @@
# 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