From mboxrd@z Thu Jan  1 00:00:00 1970
From: Eric =?ISO-8859-1?B?QuluYXJk?= <eric@eukrea.com>
Date: Sun, 27 Apr 2014 11:05:43 +0200
Subject: [U-Boot] usbtty using i.MX6
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To: u-boot@lists.denx.de

Hi Otavio,

Le Sat, 26 Apr 2014 19:47:27 -0300,
Otavio Salvador <otavio@ossystems.com.br> a ?crit :
> 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.

Eric