[Bug 11] u-boot lacks USB DFU support

bugzilla-daemon at bugzilla.openmoko.org bugzilla-daemon at bugzilla.openmoko.org
Thu Feb 8 08:32:20 CET 2007


------- Additional Comments From sean_mosko at fic.com.tw  2007-02-08 08:32 -------
Our original plan for the USB firmware update was to implement USB DFU
(the official USB Device Firmware Upgrade protocol as described in

I have already implemented USB DFU in gcc-arm, but only specifically for
a AT91SAM7S256 SoC, not for the S3C2410.  My source code for the SAM7
can be found at http://svn.openpcd.org/trunk/firmware/src/dfu/

(if you want to look at the big picture, check out the whole
http://svn.openpcd.org/trunk/firmware/ branch)

If you can try to port or re-implement my SAM7 DFU code to our u-boot on
S3C2410, then this could be the final solution for the end product.

You can find a matching Linux DFU upload/download host program at 

If you have questions about DFU, don't hesitate to contact me.  I did
that other implementation just some two months ago, so the whole
protocol is still very clear in my mind :)

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