Messages in this thread | | | From | "Auer, Lukas" <> | Subject | Re: [PATCH v3 0/5] arch: riscv: add board and SoC DT file support | Date | Fri, 7 Jun 2019 20:55:07 +0000 |
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On Fri, 2019-06-07 at 10:58 -0700, Atish Patra wrote: > On 6/7/19 9:52 AM, Kevin Hilman wrote: > > Atish Patra <atish.patra@wdc.com> writes: > > > > > On 6/5/19 10:37 AM, Kevin Hilman wrote: > > > > Hi Paul, > > > > > > > > Paul Walmsley <paul.walmsley@sifive.com> 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@kernel.org>. > > > > > > > > > > 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@baylibre.com> > > > > > > > > > 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 ? >
There does not appear to be a device tree node for the ethernet controller, which would be why networking is not coming up. U-Boot also has to be updated to match the new device bindings introduced by the ethernet controller patches currently on the mailing list [1].
Thanks, Lukas
[1]: https://patchwork.kernel.org/project/linux-riscv/list/?series=121579
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