Messages in this thread | | | Date | Tue, 28 Mar 2023 17:11:00 +0200 | From | Marco Felsch <> | Subject | Re: [PATCH V3 7/7] arm64: dts: imx8mp: add interconnect for hsio blk ctrl |
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Hi Greg,
On 23-03-29, Greg Ungerer wrote: > Hi Marco,
...
> > I forgot to ask: Does your i.MX8MP have a VPU? There are i.MX8MP devices > > (don't know the name) which don't have support for certain IPs. If this > > The hardware platform I have is using the MIMX8ML4CVNKZAB "i.MX 8M Plus QuadLite" > (https://www.nxp.com/part/MIMX8ML4CVNKZAB#/) which does not have the hardware > video encode/decoder module (like the "i.MX 8M Plus Quad" parts).
and that's the problem :) You need to update your bootloader to a version which support disabling the VPU nodes else you will always see the errors.
> > is the case the bootloader will fixup your devicetree by disable the > > corresponding nodes, we call this feature-controller: > > > > https://elixir.bootlin.com/barebox/latest/source/arch/arm/dts/imx8mp.dtsi > > > > As you can see the imx8mp.dtsi is missing the feature bits for the VPU > > but you can check the i.mx8mm.dtsi. Here you can see that barebox will > > check the availability of the vpu: > > > > https://elixir.bootlin.com/barebox/latest/source/arch/arm/dts/imx8mm.dtsi > > Ok, thanks, I'll take a look.
Patches are welcome if you use barebox :)
Regards, Marco
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