[PATCH 6/7] sama5d3xek: add NOR CFI support

Eric Bénard eric at eukrea.com
Thu Dec 12 04:52:55 EST 2013


Hi Sascha,

Le Thu, 12 Dec 2013 09:57:45 +0100,
Sascha Hauer <s.hauer at pengutronix.de> a écrit :

> On Mon, Dec 09, 2013 at 02:37:16PM +0100, Jean-Christophe PLAGNIOL-VILLARD wrote:
> > > +
> > > +	clk_enable(clk);
> > > +
> > > +	/* configure chip-select 0 (NOR) */
> > > +	sama5_smc_configure(0, 0, &cm_nor_smc_config);
> > > +
> > > +	add_cfi_flash_device(0, AT91_CHIPSELECT_0, 256 * 1024 * 1024, 0);
> > no put the right size or 0 for auto detect not 256MiB
> 
> '0' only works because the cfi flash driver completely ignores the
> resource size. If 256MiB is the maximum flash size or the size of this
> particular chipselect I see nothing wrong in assigning 256MiB to the
> device.
> 
256MiB is the maximul size this chip select can address

Eric



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