libpayload: Add USB device mode driver
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>
diff --git a/payloads/libpayload/drivers/Makefile.inc b/payloads/libpayload/drivers/Makefile.inc
index 0073957..b5f6c16 100644
--- a/payloads/libpayload/drivers/Makefile.inc
+++ b/payloads/libpayload/drivers/Makefile.inc
@@ -105,5 +105,9 @@
libc-$(CONFIG_LP_USB_DWC2) += usb/dwc2.c
libc-$(CONFIG_LP_USB_DWC2) += usb/dwc2_rh.c
+# USB device stack
+libc-$(CONFIG_LP_UDC) += udc/udc.c
+libc-$(CONFIG_LP_UDC_CI) += udc/chipidea.c
+
# used by both USB HID and keyboard
libc-y += hid.c