On Fri, 8 Oct 2021 17:52:40 +0200 Robert Marko <robert.marko@xxxxxxxxxx> wrote: > I have to agree, so I did some digging. > I don't think that the Armada 8k PCI driver actually supports HW level PERST#. > I then looked at the functional specs and the only thing that looks > related to PERST# > is PCIe Software Reset Register which has a SoftWarePERst bit. > > Can you maybe look at it? > > Removed the reset-gpios and set the PERST pinmux to PCIe, and the > QCA9377 card will > show up, but I have no idea whether PERST# actually ever gets toggled. You can check with voltmeter, toggle the bit via mw command in u-boot.