TI omap4 2.6.35 branch

Sebastien Jan s-jan at ti.com
Fri Aug 27 11:59:09 UTC 2010


On 08/27/2010 01:58 PM, Dechesne, Nicolas wrote:
> 
> 
>>   * USB EHCI port doesn't work on ES1.0, but ES2.0 is OK.
>>     Sebastien, could you please add some input here.
> Bryan,
> 
> EHCI does not work on ES1.0 silicon. this is a h/w issue. we had 
> implemented a workaround on the board where the USB port that were 
> connected to EHCI were re-routed to OTG and OTG was configured in host 
> only mode... this is how mouse/kbd used to work on ES1.0 board. With the 
> latest defconfig with EHCI enabled, it cannot work on ES1.0.
> 

Yes, new configuration on 2.6.35 branch is:
- HOST port active (EHCI driver)
- OTG capable port configured in device mode (which does not allow host operations with the HW hack on ES1.0 boards)





More information about the kernel-team mailing list