Our USB buffers are just arrays of uint8_t in program RAM, so
let's treat them that way. The DMA descriptors are in normal RAM,
too.
BUG=chrome-os-partner:40693
BRANCH=none
TEST=make buildall
Change-Id: Ibafe1a557a328bbf8cf37ce113675fcd35bad376
Signed-off-by: Bill Richardson <wfrichar@chromium.org>
Reviewed-on: https://chromium-review.googlesource.com/273918
Reviewed-by: Randall Spangler <rspangler@chromium.org>
Attempts to use ccprinf() before both uart and usb consoles have been
initialized cause the device lock up. Luckily both console channels
are buffered (and usb console buffering is about to be greatly
improved), all what needs to be done is to hold on to the attempts to
start transmit interrupts until hardware has been initialized.
BRANCH=none
BUG=none
TEST=attempts to print something on the console early in the process
do not cause the device to lock up any more, and the printouts
show up where expected.
Change-Id: I16cd1fab79bceaf7c2334a955fdb6046d21ed550
Signed-off-by: Vadim Bendebury <vbendeb@chromium.org>
Reviewed-on: https://chromium-review.googlesource.com/268379
Reviewed-by: Bill Richardson <wfrichar@chromium.org>
Reviewed-by: Sheng-liang Song <ssl@chromium.org>
Add a USB device driver for the Synopsys DWC USB device controller.
The common USB protocol stack code still need to be de-duplicated with
the STM32 implementation.
Signed-off-by: Vincent Palatin <vpalatin@chromium.org>
BRANCH=none
BUG=chrome-os-partner:33919
TEST=plug Cr50 to a Linux workstation and see USB descriptors using
"lsusb -v -d 18d1:5014"
Change-Id: I4a367241053de2c2d94aa06f82ea4bee51f9f89a
Reviewed-on: https://chromium-review.googlesource.com/231160
Commit-Queue: Vincent Palatin <vpalatin@chromium.org>
Trybot-Ready: Vincent Palatin <vpalatin@chromium.org>
Tested-by: Vincent Palatin <vpalatin@chromium.org>
Reviewed-by: Bill Richardson <wfrichar@chromium.org>
