ppc4xx: Optimizations/Cleanups for IBM DDR2 Memory Controller

Removed Magic numbers from Initialization preload registers
Tested with Kilauea, Glacier, Canyonlands and Katmai boards
About 5-7% improvement seen for LMBench memtests

Signed-off-by: Prodyut Hazarika <phazarika@amcc.com>
Signed-off-by: Stefan Roese <sr@denx.de>
1 file changed