[U-Boot] [PATCH] 83xx: Fix some bugs in spd sdram code

[Joakim Tjernlund]

> 
> 1. RD_TO_PRE missed to add the AL, and need min 2 clocks for
>   tRTP according to DDR2 JEDEC spec.
> 2. WRTORD - tWTR need min 2 clocks according to DDR2 JEDEC spec.
> 3. add the support of DDR2-533,667,800 DIMMs
> 4. cpo
> 5. make the AL to min to gain better performance.
> 
> The Micron MT9HTF6472CHY-667D1 DIMMs test passed on
> MPC837xEMDS platform at 266MHz/333MHz/400MHz data rate.
> 
> Reported-by: Joakim Tjernlund <Joakim.Tjernlund at transmode.se>
> Signed-off-by: Dave Liu <daveliu at freescale.com>

1, 2 and 5
Acked-by: Joakim Tjernlund <Joakim.Tjernlund at transmode.se>

Don't understand cpo and haven't looked at 3 so
I can't say anything useful.

 Jocke