Messages in this thread | | | Date | Fri, 8 Oct 2021 18:04:27 +0200 | From | Marek Behún <> | Subject | Re: [PATCH v5] arm64: dts: marvell: add Globalscale MOCHAbin |
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On Fri, 8 Oct 2021 17:52:40 +0200 Robert Marko <robert.marko@sartura.hr> 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.
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