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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>
This commit is contained in:
Stephen Barber 2015-06-16 13:44:13 -07:00 committed by Patrick Georgi
parent 67246f4738
commit e72487944f
1 changed files with 1 additions and 1 deletions
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2
src/soc/nvidia/tegra/usb.c
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@ -180,7 +180,7 @@ void usb_setup_utmip(void *usb_base)
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 */