linux-kernel - Re: [PATCH 0/4] ARM64: Initial Marvell IAP140 enablement

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Message-ID: <8737f7yyc8.fsf@belgarion.home>
Date:   Tue, 21 Feb 2017 23:26:47 +0100
From:   Robert Jarzmik <robert.jarzmik@...e.fr>
To:     Andreas Färber <afaerber@...e.de>
Cc:     Gregory CLEMENT <gregory.clement@...e-electrons.com>,
        linux-arm-kernel@...ts.infradead.org,
        Jason Cooper <jason@...edaemon.net>,
        Andrew Lunn <andrew@...n.ch>,
        Sebastian Hesselbarth <sebastian.hesselbarth@...il.com>,
        Jisheng Zhang <jszhang@...vell.com>,
        Daniel Mack <daniel@...que.org>,
        Haojian Zhuang <haojian.zhuang@...il.com>,
        Eric Miao <eric.y.miao@...il.com>, info@...romedabox.org,
        linux-kernel@...r.kernel.org, devicetree@...r.kernel.org,
        Thomas Petazzoni <thomas.petazzoni@...e-electrons.com>
Subject: Re: [PATCH 0/4] ARM64: Initial Marvell IAP140 enablement

Andreas Färber <afaerber@...e.de> writes:

> Hi Gregory,
>
> Am 20.02.2017 um 14:17 schrieb Gregory CLEMENT:
>>  On dim., févr. 19 2017, Andreas Färber <afaerber@...e.de> wrote:
>> 
>>> This mini-series adds initial support for the Marvell IAP140 SoC (aka PXA1908)
>>> and the Andromeda Box Edge development board.
>> 
>> Given the name of the SoC (PXA1908) and the fact that you reuse driver
>> related to PXA, for me these SoC is neither a mvebu nor a berlin SoC.
>
> That matches my understanding.

...zip...
> What I am reading out of the documentation Thomas pointed to is that
> ARCH_MMP would be more correct than ARCH_PXA, despite the PXA1908 name.
I agree here.

PXA for me are XScale micro-architecture based SoCs, quite old. PXA1908 has a
quite recent Cortex-A53 (or several of them), which makes me think its either an
MMP or something newer than MMP.

> MMP does help with driver compilation. Just for the OF earlycon I still
> need the PXA compatible fallback, or we would need to define an MMP
> earlycon. Since mmp2.dtsi does not use the pxa compatible, I'll look
> into the latter for v2.
>
> MMP sorts before MVEBU, unlike PXA.
>
> So MMP would mean Eric and Haojian only - I will drop the other Marvell
> maintainers for v2 then, except where review comments have been provided.
Yes please.

Cheers.

-- 
Robert