linux-kernel - Re: [PATCH 09/13] MIPS: mscc: Add initial support for Microsemi MIPS SoCs

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Message-ID: <20171128173151.GD5027@jhogan-linux.mipstec.com>
Date:   Tue, 28 Nov 2017 17:31:51 +0000
From:   James Hogan <james.hogan@...s.com>
To:     Alexandre Belloni <alexandre.belloni@...e-electrons.com>
CC:     Ralf Baechle <ralf@...ux-mips.org>, <linux-mips@...ux-mips.org>,
        <linux-kernel@...r.kernel.org>, Paul Burton <paul.burton@...s.com>
Subject: Re: [PATCH 09/13] MIPS: mscc: Add initial support for Microsemi MIPS
 SoCs

On Tue, Nov 28, 2017 at 05:53:59PM +0100, Alexandre Belloni wrote:
> On 28/11/2017 at 16:01:38 +0000, James Hogan wrote:
> > On Tue, Nov 28, 2017 at 04:26:39PM +0100, Alexandre Belloni wrote:
> > > Introduce support for the MIPS based Microsemi Ocelot SoCs.
> > > As the plan is to have all SoCs supported only using device tree, the
> > > mach directory is simply called mscc.
> > 
> > Nice. Have you considered adding this to the existing multiplatform
> > "generic" platform? See for example commit b35565bb16a5 ("MIPS: generic:
> > Add support for MIPSfpga") for the latest platform to be converted.
> > 
> 
> I didn't because we are currently booting using an old redboot with its
> own boot protocol and at boot, the register read by the sead3 code is
> completely random (it actually matched once).
> 
> Do you consider that mandatory to get the platform upstream?

No, however if it is practical to do so I think it might be the best way
forward (even if generic+YAMON support is mutually exclusive of
generic+redboot, though hopefully there is some way to avoid that).

Paul on Cc, he may have thoughts on this one.

Cheers
James

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