* Kishon Vijay Abraham I <kishon@xxxxxx> [180828 10:31]: > AM65 has two PCIe controllers and each PCIe controller has '2' address > spaces one within the 4GB address space of the SoC and the other above > the 4GB address space of the SoC in addition to the register space. The > size of the address space above the 4GB SoC address space is 4GB. These > address ranges will be used by CPU/DMA to access the PCIe address space. > In order to represent the address space above the 4GB SoC address space > and to represent the size of this address space as 4GB, change > address-cells and size-cells of interconnect to 2. ... > cbass_mcu: interconnect@28380000 { > compatible = "simple-bus"; > #address-cells = <1>; > #size-cells = <1>; Yup great, the interconnect instances that don't need above 4GB address space should stay this way. Acked-by: Tony Lindgren <tony@xxxxxxxxxxx>