On Dec 14, 2005, at 8:14 AM, Vitaly Bordug wrote: > Alex BASTOS wrote: >> Vitaly, >>> Maybe, but I guess more correct is to deal with USB->PCI >>> dependency.. >>> Is it really needed(I am not USB expert)? >> Neither am I. I guess for this Host Controler it is not needed at >> HW level, but I am not sure why it is still required by the SW. >>>> 3) I have seen that from u-boot, a reset occurs when I read >>>> Internal >>>> Memory at offset 0x10904 (PCI CFG_DATA). From BDI, when I do the >>>> same >>>> all PCI section on IM becomes zero. Is this a known behaviour? >>>> May this >>>> reflect a hardware problem? >>>> >>> Sounds weird >> Here is the problem. The cause for this weird behaviour is that I >> had PCI_ARBITER_EN_ disabled. So, a HW problem at the end. >> I had disabled it trying to reduce power compsumption due to the PCI, >> as I am not going to use it. It seems it is not possible that way. >> Any idea how to get this done?
I'm guessing you dont have anything else doing arbitration on the bus. - kumar
