Hello! > > I think the theory we discussed at the time of putting in the PCIe > > device was that if we wanted this we'd add support for the other > > PCIe memory window (which would then live at somewhere above 4GB). > > Alex, can you remember what the idea was? > > Yes, pretty much. It would give us an upper bound to the amount of RAM > that we're able to support, but at least we would be able to support big > MMIO regions like for ivshmem.
But i currently think that specification of "Generic PCI host" assumes only a single MMIO region + single PIO region + single ECAM. And we cannot have two MMIO regions without changing its specification, which can be problematic. Am i wrong about this ? Kind regards, Pavel Fedin Expert Engineer Samsung Electronics Research center Russia
