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

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Date:   Fri, 7 Jun 2019 10:58:16 -0700
From:   Atish Patra <atish.patra@....com>
To:     Kevin Hilman <khilman@...libre.com>,
        Paul Walmsley <paul.walmsley@...ive.com>,
        "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
        "linux-riscv@...ts.infradead.org" <linux-riscv@...ts.infradead.org>
Subject: Re: [PATCH v3 0/5] arch: riscv: add board and SoC DT file support

On 6/7/19 9:52 AM, Kevin Hilman wrote:
> 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.
>

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