On Fri, Feb 7, 2014 at 7:47 AM, <stefboerrig...@gmail.com> wrote: > Hi All, > > For our own development board we face an issue regarding the USB host > controller. We applied al the patches from Robert C Nelson s tree, also > regarding the USB host issues on the beagleboard. > Our compiled kernel does work on the Beagleboard with USB host, but on our > own proto board (wich is different ofcourse compared to the BB but has > exactly the same schematical connection for the USB connectors) we cannot > get it working (Same Binary so Same Kernel Config). > > Now we tried kernel 3.12 from the RobertCNelson tree, and supprisingly USB > is working on the BB, but also on our Proto board! > I generated a lot of kernel debugging on the OMAP Registers (control > module, USBSS, USB0 Core USB1 Core etc..) and posted them on Pastebin (See > Links); > > Kernel 3.8 (Not working): http://pastebin.com/HaAb0U9Y > Kernel 3.12 (Working): http://pastebin.com/mSuy4UrM >
In these last few kernel releases the mainline omap-ehci driver had been rewritten, which caused a little pain between kernel versions.. Plus the sprz319_erratum_v2.1 workaround is enabled by default in 3.12 in our patchset (omap36xx based devices).. Regards, -- Robert Nelson http://www.rcn-ee.com/ -- For more options, visit http://beagleboard.org/discuss --- You received this message because you are subscribed to the Google Groups "BeagleBoard" group. To unsubscribe from this group and stop receiving emails from it, send an email to beagleboard+unsubscr...@googlegroups.com. For more options, visit https://groups.google.com/groups/opt_out.
