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

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Date:   Fri, 07 Jun 2019 09:51:55 -0700
From:   Kevin Hilman <khilman@...libre.com>
To:     Atish Patra <atish.patra@....com>,
        Paul Walmsley <paul.walmsley@...ive.com>,
        "linux-kernel\@vger.kernel.org" <linux-kernel@...r.kernel.org>,
        "linux-riscv\@lists.infradead.org" <linux-riscv@...ts.infradead.org>
Subject: Re: [PATCH v3 0/5] arch: riscv: add board and SoC DT file support

Atish Patra <atish.patra@....com> writes:

> On 6/5/19 10:37 AM, Kevin Hilman wrote:
>> Hi Paul,
>> 
>> Paul Walmsley <paul.walmsley@...ive.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@...nel.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@...libre.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.

Kevin