Thread (3 messages) 3 messages, 3 authors, 2007-05-29

RE: USB Host at full speed

From: Li Yang-r58472 <hidden>
Date: 2007-05-29 11:01:32

-----Original Message-----
From: linuxppc-embedded-bounces+leoli=3Dfreescale.com@ozlabs.org
[mailto:linuxppc-embedded-bounces+leoli=3Dfreescale.com@ozlabs.org] On
Behalf Of
axelnico@yahoo.fr
Sent: Tuesday, May 29, 2007 5:11 PM
To: Linuxppc-embedded@ozlabs.org
Subject: USB Host at full speed
=20
Hello ALL,
=20
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..
=20
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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