[U-Boot] [PATCH v2 14/16] sunxi: dram: Drop DDR2 support and assume only single rank DDR3 memory

[Ian Campbell]

On Sun, 2014-08-03 at 05:32 +0300, Siarhei Siamashka wrote:
> All the known Allwinner A10/A13/A20 devices are using just single rank
> DDR3 memory. So don't pretend that we support DDR2 or more than one
> rank, because nobody could ever test these configurations for real and
> they are likely broken. Support for these features can be added back
> in the case if such hardware actually exists.
> 
> As part of this code cleanup, also replace division by 1024 with
> division by 1000 for the refresh timing calculations. This allows
> to use the original non-skewed tRFC timing table from the DRR3 spec
> and make code less confusing.
> 
> Signed-off-by: Siarhei Siamashka <siarhei.siamashka at gmail.com>

Acked-by: Ian Campbell <ijc at hellion.org.uk>