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libpayload: More defensive ChipIdea initialization 

Mark EP0 non-stall explicitly. Shouldn't be necessary, but
won't hurt either.

BRANCH=none
BUG=none
TEST=none

Change-Id: I7ecd16a2affe064918d93436aedfa07bd9a1cf56
Signed-off-by: Patrick Georgi <pgeorgi@chromium.org>
Original-Commit-Id: a0fc237b33444fc30dc5b62e4f1afc3188f2cf43
Original-Change-Id: I1aa8742eebc4de733317600e35627631ebaf4724
Original-Signed-off-by: Patrick Georgi <pgeorgi@chromium.org>
Original-Reviewed-on: https://chromium-review.googlesource.com/258061
Original-Reviewed-by: Furquan Shaikh <furquan@chromium.org>
Reviewed-on: http://review.coreboot.org/9787
Tested-by: build bot (Jenkins)
Reviewed-by: Stefan Reinauer <stefan.reinauer@coreboot.org>
This commit is contained in:
Patrick Georgi 2015-03-10 12:47:36 +01:00
parent 9a20a43c60
commit 49a80ce475
1 changed files with 3 additions and 0 deletions
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3
payloads/libpayload/drivers/udc/chipidea.c
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@ -128,6 +128,9 @@ static int chipidea_hw_init(struct usbdev_ctrl *this, void *_opreg,
debug("taking controller out of reset\n"); debug("taking controller out of reset\n");
writel(USBCMD_8MICRO | USBCMD_RUN, &p->opreg->usbcmd); writel(USBCMD_8MICRO | USBCMD_RUN, &p->opreg->usbcmd);
this->stall(this, 0, 0, 0);
this->stall(this, 0, 1, 0);
return 1; return 1;
} }