Hi all, For reference this is the same issue I was attempting to fix [1] back in April 2024. Since [2] was merged the issue has manifested as a crash whenever the usb system is initialized on nanopi-r4s boards.
[1] https://lists.denx.de/pipermail/u-boot/2024-April/551383.html [2] https://source.denx.de/u-boot/u-boot/-/commit/cae4707f25105554f94ad5af1199c7c27edd75e1 Thanks, Justin On Jan 31, 2025 at 09:06:13, Justin Klaassen <jus...@tidylabs.net> wrote: > The patch enables the second USB3.0 Type-A USB port on the NanoPi R4S > board, which prevents a crash when initializing the usb system in U-Boot > and allows both Type-A USB ports to be used for booting. > > => usb start > starting USB... > Bus usb@fe380000: USB EHCI 1.00 > Bus usb@fe3c0000: "Synchronous Abort" handler, esr 0x96000010, far 0x0 > > Signed-off-by: Justin Klaassen <jus...@tidylabs.net> > > --- > > arch/arm/dts/rk3399-nanopi-r4s-u-boot.dtsi | 5 +++++ > 1 file changed, 5 insertions(+) > > diff --git a/arch/arm/dts/rk3399-nanopi-r4s-u-boot.dtsi > b/arch/arm/dts/rk3399-nanopi-r4s-u-boot.dtsi > index 69800cc368d..931499b084c 100644 > --- a/arch/arm/dts/rk3399-nanopi-r4s-u-boot.dtsi > +++ b/arch/arm/dts/rk3399-nanopi-r4s-u-boot.dtsi > @@ -36,3 +36,8 @@ > }; > }; > }; > + > +&u2phy1_host { > + phy-supply = <&vdd_5v>; > + status = "okay"; > +}; > -- > 2.45.3 > > >