netdev - Re: stmmac still supporting spear600 ?

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Date:   Thu, 9 Mar 2017 10:32:36 +0100
From:   Thomas Petazzoni <thomas.petazzoni@...e-electrons.com>
To:     Giuseppe CAVALLARO <peppe.cavallaro@...com>
Cc:     Alexandre Torgue <alexandre.torgue@...com>,
        <netdev@...r.kernel.org>, Viresh Kumar <vireshk@...nel.org>,
        Shiraz Hashim <shiraz.linux.kernel@...il.com>,
        <linux-arm-kernel@...ts.infradead.org>
Subject: Re: stmmac still supporting spear600 ?

Hello Giuseppe,

Thanks for your answer.

On Thu, 9 Mar 2017 10:09:02 +0100, Giuseppe CAVALLARO wrote:

> We do not test stmmac on this spear board since many years
> and I guess you have to provide parameters from the platform.

Ok, that's what I was afraid of :-/

> In fact, stmmac is recently tested with DT.

I'm also using the DT, so this is definitely not the problem.

> IIRC, the mac on spear600 could not have the HW cap register

Correct.

> so it is mandatory to provide all the right parameters and
> configurations for this HW.

OK, I'll have a look. However, I'm still confused by this DMA_RESET bit
that never clears, contrary to what the datasheet says. Are there some
erratas?

Best regards,

Thomas
-- 
Thomas Petazzoni, CTO, Free Electrons
Embedded Linux and Kernel engineering
http://free-electrons.com