PCIe port is not supported: Allwinner H6 has a quirky PCIe controller that doesn’t map the PCIe address space properly to CPU, and accessing the PCIe config space, IO space or memory space will need to be wrapped. As Linux doesn’t wrap PCIe memory space access, it’s not possible to do a proper PCIe controller …
Getting Started with Orange Pi Prime Armbian
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Orange Pi PC Plus+Transparent ABS Case+Power Cable, Support Android,Linux, Armbian OS Single Board Computer Set