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? > Well, I guess the best you can do now - just use custom tree. I'll try to find good solution for such a case (PCI required by deps but not hw) next time I'll touch PCI.
>>> In conclusion, 1) solves my "must", a working board (without PCI). >>> But I still would like to know what am I doing so wrong with this. >>> >> IMHO ability to disable PCI_8260 while PCI is on might be confusing, at least >> for upstream. > > You are right. > > Thanks so much for your help. > > Best regards, > > Alex > > -- Sincerely, Vitaly
