t210: Set UTMIP_PCOUNT_UPDN_DIV to 0
Improve USB device mode stability as per suggestion by Laurent.
BUG=chrome-os-partner:40929
BRANCH=smaug
TEST=flash firmware and check that USB device mode is still functional.
Change-Id: Id6dd7bb2e1632c512cfdf7d38a16de26a8f71471
Signed-off-by: Patrick Georgi <pgeorgi@chromium.org>
Original-Commit-Id: 4298741ef4440c8bd8dac4a9f9eaa55ba560cbfb
Original-Change-Id: I07d6c46d215f2ccf2c76c580f59c4fa0d519eaa5
Original-Signed-off-by: Stephen Barber <smbarber@chromium.org>
Original-Reviewed-on: https://chromium-review.googlesource.com/278030
Original-Reviewed-by: Benson Leung <bleung@chromium.org>
Original-Tested-by: Benson Leung <bleung@chromium.org>
Reviewed-on: http://review.coreboot.org/10695
Tested-by: build bot (Jenkins)
Reviewed-by: Stefan Reinauer <stefan.reinauer@coreboot.org>
diff --git a/src/soc/nvidia/tegra/usb.c b/src/soc/nvidia/tegra/usb.c
index 5520c4f..e6de538 100644
--- a/src/soc/nvidia/tegra/usb.c
+++ b/src/soc/nvidia/tegra/usb.c
@@ -180,7 +180,7 @@
write32(&usb->utmip.hsrx0,
0x2 << 30 | /* (rst) Keep pattern on active */
1 << 28 | /* (rst) Realign inertia on pkt */
- 0x1 << 24 | /* (rst) edges-1 to move sampling */
+ 0x0 << 24 | /* (rst) edges-1 to move sampling */
0x3 << 21 | /* (rst) squelch delay on EoP */
0x11 << 15 | /* cycles until IDLE */
0x10 << 10); /* elastic input depth */