USB Host at full speed

Li Yang-r58472 LeoLi at freescale.com
Tue May 29 21:01:32 EST 2007


> -----Original Message-----
> From: linuxppc-embedded-bounces+leoli=freescale.com at ozlabs.org
> [mailto:linuxppc-embedded-bounces+leoli=freescale.com at ozlabs.org] On
Behalf Of
> axelnico at yahoo.fr
> Sent: Tuesday, May 29, 2007 5:11 PM
> To: Linuxppc-embedded at ozlabs.org
> Subject: USB Host at full speed
> 
> Hello ALL,
> 
> I m currently trying to force the USB host controller from MPC8349 to
only work
> at full speed i.e. whatever is the connected device, the bandwidth
should be 12MB.
> I thought i could perform it just by setting some registers to right
value but it
> aren't working.
> I fear i have to force software to always use TT and split transfer
but i dont
> know exactly where to start..
> 
> If anybody could help, would be so great!!

Your question can be interpreted as how to force EHCI host driver to
work in full speed.  Usb-devel list cc'ed should be a better place for
such a question.

- Leo



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