On Mon, 2012-12-10 at 21:43 +0000, Grant Likely wrote: > > Sorry for my pci ignorance (have never got hw for mb/zynq) > > I just want to get better overview how we should we our drivers to > be compatible. > > > > Does it mean that pci is supposed be always 64 bit wide? > > And there is no option to have just 32bit values. > > Yes, PCIe addressing is always 64 bits wide. Even on 32bit PCI systems > we use 64 bit PCI addressing in the device tree. Right. The size & format of an address cell for PCI is specified in the OF PCI bindings and we follow that binding. It's always 3 cells. Cheers, Ben. -- To unsubscribe from this list: send the line "unsubscribe linux-pci" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
