linux-kernel - Re: [PATCH 5/6] ARM: at91: remove SoC headers

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Message-ID: <20150304171505.GH3989@piout.net>
Date:	Wed, 4 Mar 2015 18:15:05 +0100
From:	Alexandre Belloni <alexandre.belloni@...e-electrons.com>
To:	Arnd Bergmann <arnd@...db.de>
Cc:	linux-arm-kernel@...ts.infradead.org,
	Nicolas Ferre <nicolas.ferre@...el.com>,
	Boris Brezillon <boris.brezillon@...e-electrons.com>,
	Jean-Christophe Plagniol-Villard <plagnioj@...osoft.com>,
	linux-kernel@...r.kernel.org
Subject: Re: [PATCH 5/6] ARM: at91: remove SoC headers

On 04/03/2015 at 18:03:45 +0100, Arnd Bergmann wrote :
> On Wednesday 04 March 2015 15:47:25 Alexandre Belloni wrote:
> > @@ -21,6 +21,14 @@
> >  #include "generic.h"
> >  #include "soc.h"
> >  
> > +#define SAMA5D4_BASE_USART3    0xfc00c000 /* (USART3 non-secure) Base Address */
> > +#define SAMA5D4_BASE_PMC       0xf0018000 /* (PMC) Base Address */
> > +#define SAMA5D4_BASE_MPDDRC    0xf0010000 /* (MPDDRC) Base Address */
> > +#define SAMA5D4_BASE_PIOD      0xfc068000 /* (PIOD) Base Address */
> > +
> > +/* Some other peripherals */
> > +#define SAMA5D4_BASE_SYS2      SAMA5D4_BASE_PIOD
> > 
> 
> Why are these still needed? I would expect that the code using them
> can be removed as well.
> 

Yeah, that is still something I need to investigate. Nicolas told me it
doesn't work without it. My guess is that it has something to do with
secure booting.

-- 
Alexandre Belloni, Free Electrons
Embedded Linux, Kernel and Android engineering
http://free-electrons.com
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