> On 05/08/2013 04:57 AM, Jay Agarwal wrote:
> > - Enable PCIe controller on Cardhu
> > - Only port 2 is connected on this board
> > - Add regulators required for Tegra30
> > - Patch is based on remotes/gitorious_thierryreding_linux/tegra/next
> > - and should be applied on top of this.
>
> > diff --git a/arch/arm/boot/dts/tegra30-cardhu.dtsi
> > b/arch/arm/boot/dts/tegra30-cardhu.dtsi
>
> > + pcie-controller {
> > + status = "okay";
> > + pex-clk-supply = <&pex_hvdd_3v3_reg>;
> > + vdd-supply = <&ldo1_reg>;
> > + avdd-supply = <&ldo2_reg>;
> > +
> > + pci@3,0 {
> > + status = "okay";
> > + };
> > + };
>
> So, if I apply this series, I do see the PCIe bridge and Ethernet device get
> enumerated, but I don't see the USB3 controller get enumerated. I believe
> that is a PCIe device behind the same bridge on the same Tegra PCIe port.
> Shouldn't this device show up?
[>] I have also reproduced this problem. I see somehow no non-prefetchable
memory is assigned to any of pcie devices.
Probably that is the reason for USB3 (pci 0000:04:00.0) not getting enumerated
since it uses only non-prefetchable memory.
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