<br><br>On Wednesday, March 7, 2012, Henrik Nordström <<a href="mailto:henrik@henriknordstrom.net">henrik@henriknordstrom.net</a>> wrote:<br>> tis 2012-03-06 klockan 13:26 +0800 skrev Tom Cubie:<br>>> Yeah, good idea. I remember the openmoko phone u-boot uses the usb<br>
>> as console.<br>><br>> Yes, the U-Boot serial console support seems pretty widespread.<br>><br>>> I don't have much USB knowledge, the u-boot lichee-dev souce contains<br>>> the code that let the A10 USB work under the android fastboot<br>
>> protocol.<br>><br>> Ok. So then it should be pretty trivial to add a serial console profile<br>> as well.<br>><br>>> I think if someone is familiar with the usb protocol it's easy to get<br>
>> the usb console working.<br>><br>> Not very familiar with USB but not scared. I'll give it a shot.<br><br>Great!<br><br>><br>> While we talk about USB protocols, is there any information on how BROM<br>
> Fel works at the USB level? Given the size of BROM it can't be a complex<br>> protocol. If not we will reverse it. It smells like it's a kind of<br>> serial channel over USB running an xmodem download into SRAM.<br>
<br>I don't have any information about the fel. Maybe I can access the livesuite<br>source code and figure out something. Reversing are welcomed : )<br><br><br>><br>> Regards<br>> Henrik<br>><br>><br>><br>
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