[U-Boot-Users] uboot support for USB DFU protocol
wd at denx.de
Wed Jul 14 22:03:46 CEST 2004
In message <40F4D16F.30607 at magellan-technology.com> you wrote:
> Can I use the USB *device* port to load a binary image (uImage) into my
> development board?
Not without adding such driver support.
> i.e. does u-boot support the USB DFU (Device Firmware Upgrade) protocol?
> I know that the AT91RM9200 has support for USB DFU in its internal boot
> ROM, but I'd like to use uboot to load the image via image from a file
> server - similar to the way I would do it with tftp.
On the SX1 board we used the USB port to implement a serial console
interface; this allows for fast downloads using the standard serial
"loadb" and "loads" commands (the "baudrate" parameter does not apply
on such a port).
> If I make a product that has a USB device interface, I'd like to be able
> to upgrade the firmware via that same USB link.
IMHO the probably easiest and most useful way is to implement a USB -
serial console interface.
Software Engineering: Embedded and Realtime Systems, Embedded Linux
Phone: (+49)-8142-4596-87 Fax: (+49)-8142-4596-88 Email: wd at denx.de
I don't want to be young again, I just don't want to get any older.
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