Re: [PATCH v3 0/5] arch: riscv: add board and SoC DT file support

[Atish Patra]

On 6/7/19 9:52 AM, Kevin Hilman wrote:
> Atish Patra <atish.patra@xxxxxxx> writes:
>
> > On 6/5/19 10:37 AM, Kevin Hilman wrote:
> > > Hi Paul,
> > >
> > > Paul Walmsley <paul.walmsley@xxxxxxxxxx> writes:
> > >
> > > > Add support for building flattened DT files from DT source files under
> > > > arch/riscv/boot/dts.  Follow existing kernel precedent from other SoC
> > > > architectures.  Start our board support by adding initial support for
> > > > the SiFive FU540 SoC and the first development board that uses it, the
> > > > SiFive HiFive Unleashed A00.
> > > >
> > > > This third version of the patch set adds I2C data for the chip,
> > > > incorporates all remaining changes that riscv-pk was making
> > > > automatically, and addresses a comment from Rob Herring
> > > > <robh@xxxxxxxxxx>.
> > > >
> > > > Boot-tested on v5.2-rc1 on a HiFive Unleashed A00 board, using the
> > > > BBL and open-source FSBL, with modifications to pass in the DTB
> > > > file generated by these patches.
> > >
> > > Tested this series on top of v5.2-rc3 on HiFive Unleashed board using
> > > OpenSBI + mainline u-boot (master branch as of today).
> > >
> > > Tested-by: Kevin Hilman <khilman@xxxxxxxxxxxx>
> > >
> > > > This patch series can be found, along with the PRCI patch set
> > > > and the DT macro prerequisite patch, at:
> > > >
> > > > https://github.com/sifive/riscv-linux/tree/dev/paulw/dts-v5.2-rc1
> > >
> > > nit: I only see this series in that branch, not any of the prerequisite
> > > patches you mentioned, which made me assume I could this series alone on
> > > top of v5.2-rc3, which worked just fine.
> >
> > I tried only this series on top of v5.2-rc3. Kernel boots file with DT
> > updated via U-Boot. But networking didn't come up.
> >
> > Do you have networking up after the boot? If yes, can you please share
> > the config.
>
> I didn't test networking from the kernel initially, but looking now, I
> do not have networking come up in the kernel either.

ok. I am not alone then :).

@Paul: Do you get networking up in your FSBL + BBL + Linux boot flow 
with the DT patch series ?

> Kevin



--
Regards,
Atish