On Friday 02 October 2015 15:53:44 Ley Foon Tan wrote: > > Strictly speaking, if you have undocumented bindings downstream that > > is your problem and we don't have to accept them as-is upstream. I'm > > not going to worry about that here. > > > >>> txs contains the config space? > >> It is not the config space, but a memory slave port. > > > > Then where is the config space? It should not be part of "ranges" is > > all I care about. > The config space is not part of "ranges". Our IP uses TLP packet to > access config space. > It took me a bit to figure out what you mean here. To save others from reading the source, here is what I found: * The config space is accessed indirectly through registers from the "cra" register range, which is the right approach according to the point that Rob made. * hardware-wise this basically looks like bit-banged PCIe, which is both awesome and scary ;-) Arnd -- To unsubscribe from this list: send the line "unsubscribe devicetree" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html