Beaglebone USB driver (Mentor Graphics OTG)

[Aleksandr Rybalko]

On Sat, 06 Apr 2013 13:50:44 -0700
Oleksandr Tymoshenko <gonzo at bluezbox.com> wrote:

> Hello,
> 
> This is first iteration of Host Mode support for Mentor Graphics
> OTG USB controller. I tested it by building kernel with USB memory
> stick mounted as /usr/obj, resulting kernel was bootable and worked
> fine. I reused some ideas (mostly for channel-management) from
> DWT OTG driver.
> 
> Some pieces are still missing:
> - Support for SPLIT transactions, I don not have high speed hub
>      right now to test it, but implementing it should be really 
> straighforward.
> - Isochronous transfers. I do not have hardware to test this. Does
>      anybody have any suggestion about simple use case?

Any USB camera (a.k.a. Web Cam)

> - Control Data OUT transaction
> - Wrapper for atmel HW has not ben synced with new core logic
> requirements yet
> 
> Please review and test. I tested it only with gcc-built kernel/world. 
> Now when
> first iteration is finished I'm going to update all my boards to new 
> world order
> (clang/EABI) and re-test this stuff.
> 
> Patch:
> http://people.freebsd.org/~gonzo/arm/patches/beaglebone-musb.diff
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WBW
-- 
Aleksandr Rybalko <ray at freebsd.org>