Hi Il 27/apr/2014 19:57 "Eric Nelson" <eric.nel...@boundarydevices.com> ha scritto: > > Hi Eric, > > > On 04/27/2014 02:05 AM, Eric Bénard wrote: >> >> Hi Otavio, >> >> Le Sat, 26 Apr 2014 19:47:27 -0300, >> Otavio Salvador <ota...@ossystems.com.br> a écrit : >>> >>> I'd like to know if someone has succeed in using usbtty with i.MX6. I >>> am interested in using it for one board but been not succed, it seems: >>> >>> /home/otavio/hacking/u-boot/drivers/serial/usbtty.c:553: undefined >>> reference to `udc_init' >>> drivers/serial/built-in.o: In function `usbtty_init_instances': >>> /home/otavio/hacking/u-boot/drivers/serial/usbtty.c:686: undefined >>> reference to `udc_setup_ep' >>> /home/otavio/hacking/u-boot/drivers/serial/usbtty.c:708: undefined >>> reference to `urb_link_init' >>> /home/otavio/hacking/u-boot/drivers/serial/usbtty.c:709: undefined >>> reference to `urb_link_init' >>> /home/otavio/hacking/u-boot/drivers/serial/usbtty.c:710: undefined >>> reference to `urb_link_init >>> ... >>> >>> Does someone got it working? >>> >> you need a gadget driver for the i.MX6 USB port which doesn't seems to >> exist in u-boot. >> > > We're using UDC on all of our i.MX6 board. Marek and Troy have had this > working for a while now. > > I think the two key patches are these: > https://github.com/boundarydevices/u-boot-imx6/commit/f3d7cff > https://github.com/boundarydevices/u-boot-imx6/commit/f016f8c > > We've been using it a lot for USB networking, where it provides a > very nice download mechanism. See this post for details: > http://boundarydevices.com/u-boot-2014-01/#usbrecover > > I think usbtty is a different thing though (USB serial adapter connected > to a Host port). > usbtty should be a way to have the console on a gadget interface
Michael > We haven't tested that, but it should work. Most of our USB Host uses > have been for USB sticks and keyboards. > > Regards, > > > > Eric > _______________________________________________ > U-Boot mailing list > U-Boot@lists.denx.de > http://lists.denx.de/mailman/listinfo/u-boot
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