[U-Boot] DFU on OMAP4?

[Tom Rini]

On Tue, Mar 05, 2013 at 09:30:18AM -0500, Michael Cashwell wrote:

> On Feb 20, 2013, at 2:52 AM, Lukasz Majewski <l.majewski at samsung.com> wrote:
> 
> > Hi Michael,
> > 
> >> Greetings,
> >> 
> >> I've been trying to do some feasibility (performance / features) testing of DFU to see if it might work on a project I'm involved with. Due to architecture similarities I'm trying to do this using a custom-built u-boot from Denx mainline on a OMAP4460 ES1.1 Pandaboard. But I've been having problems.
> 
> 
> Thanks for the help Lukasz!
> 
> I've made significant progress since my original posts. I found that if I CONFIG-out the usb tty stuff (since it uses the old gadget structure) I can enable the musb-new USB code and the composite gadget driver. If I also force PIO mode instead of DMA it builds. I can run "dfu mmc 0" and I get some correct behavior out of dfu-util on the host PC. But there seems to be USB transfer problems or some sort of protocol mismatch.
> 
> cashwell.ubuntu:src$ sudo ./dfu-util -v -a u-boot -U ~/dfu-upload
> dfu-util 0.7

I'm not seeing upload (read from device to host) working either on
am335x right now, only download (read from host to write to device).

-- 
Tom
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