* Tony Lindgren <tony@xxxxxxxxxxx> [140825 09:45]:
> * Roger Quadros <rogerq@xxxxxx> [140825 03:39]:
> > Hi Tony,
> >
> > On 08/23/2014 02:01 AM, Tony Lindgren wrote:
> > > * Pekon Gupta <pekon@xxxxxx> [140723 11:20]:
> > >> Each GPMC chip-select needs to be configured for (base-address,CS-size) so that
> > >> GPMC understands the address-space allocated to device connected externally.
> > >> These chip-select configurations (base-address, CS-size) follow some basic
> > >> mapping rules like:
> > >> - The CS size is programmable from 256 MBytes to 16 MBytes (must be a power of 2)
> > >> and is defined by the mask field. Attached memory smaller than the programmed
> > >> CS region size is accessed through the entire CS region (aliasing).
> > >> - The programmed 'base-address' must be aligned to the 'CS-size' boundary and
> > >> be a power of 2.
> > >> - Valid CS-size values are {256MB(max), 128MB, 64MB, 32MB and 16MB (min)}
> > >> Any intermediate values creates holes in the chip-select memory-map.
> > >>
> > >> This patch adds above checks in gpmc_cs_remap() so that any invalid value
> > >> passed by DT <reg> property can be filtered before actually allocating the
> > >> address space.
> > >>
> > >> Signed-off-by: Pekon Gupta <pekon@xxxxxx>
> > >
> > > Looks like size typos Roger mentioned are fixed in this one, so
> > > applying into omap-for-v3.17/fixes thanks.
> >
> > I don't see the typos fixed here. I'll reply with a v2 patch.
>
> Oops indeed. I'll redo the fixes branch to avoid extra churn
> and apply your updated version into omap-for-v3.17/fixes-v2.
Hmm actually dropping this one, it causes warnings for smsc911x.
Will comment on your v2 patch.
Regards,
Tony
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