Triode wrote: > The XM looks to have a AM3715 which has a dedicated usb host port using > ehci - which would be preferable. (though I'm not saying we shoudl use > this, just that I think a host only port using ehci is possibly > preferable)
I've spent all afternoon looking at this, what I can come up with is that the USB ports on the Am3358 are EHCI compatible when used in host mode. (hardware pins forcing host mode). There is a driver that works for this (OMAP_ehci). The problem seems to be with the musb driver which is the one specifically written to handle the OTG modes, which is what the kernels use since they detect what it actually is. This may be wrong since I haven't actually found anybody outright saying this, but from reading between the lines this is what seems to be happening. If this is true it might be possible to force the use of the ehci driver rather than the musb driver. There have also been reports that these issues only occur with newer kernels and that things were working with older kernels. The AM3715 was one of my top contenders, but it does not support DDR2 or DDR3 memory, only LPDDR, which has a memory speed about half of what you can get from DDR2. The memory chips are also quite a bit more expensive and larger than regular DDR2 memory chips. I've ordered a BeagleBone, it should be here this coming week sometime and I can actually play with it and actually see what happens with different kernels and DACs. John S. ------------------------------------------------------------------------ JohnSwenson's Profile: http://forums.slimdevices.com/member.php?userid=5974 View this thread: http://forums.slimdevices.com/showthread.php?t=97881 _______________________________________________ discuss mailing list [email protected] http://lists.slimdevices.com/mailman/listinfo/discuss
