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libpayload: Add USB device mode driver

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Add a framework for USB device mode controllers
and a driver for the ChipIdea controller which
is part of the tegra platform.

TODO:
- fix USB detach/attach
- implement zero length packet handling properly

BUG=chrome-os-partner:35861
TEST=none
BRANCH=none

Change-Id: I8defeea78b5a3bdbf9c1b1222c2702eaf3256b81
Signed-off-by: Patrick Georgi <pgeorgi@chromium.org>
Original-Commit-Id: 542332291880c4026a05a960ceb91d37891ee018
Original-Change-Id: Ib4068d201dd63ebeda80157bd3130f3059919cdd
Original-Signed-off-by: Patrick Georgi <pgeorgi@chromium.org>
Original-Reviewed-on: https://chromium-review.googlesource.com/243272
Original-Reviewed-by: Aaron Durbin <adurbin@chromium.org>
Reviewed-on: http://review.coreboot.org/8756
Tested-by: build bot (Jenkins)
Reviewed-by: Stefan Reinauer <stefan.reinauer@coreboot.org>
This commit is contained in:
Patrick Georgi
2015-01-26 20:17:49 +01:00
parent 2df124db36
commit 1bd3050c27
7 changed files with 1164 additions and 0 deletions
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15
payloads/libpayload/Config.in
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@@ -531,6 +531,21 @@ config USB_PCI
default y if ARCH_X86
default n
config UDC
bool "USB device mode support"
default n
help
Select this option to add support for running as
a USB device.
config UDC_CI
bool "ChipIdea driver for USB device mode"
depends on UDC
default n
help
Select this option to add the driver for ChipIdea
USB device controller.
endmenu
menu "Debugging"