Hi Gianfranco,

did you succeeded with adding 1G of SDRAM to your BBB? I'm fighting with 
similar problem but different chip. Thanks.

BR,

marek




Dňa piatok, 26. júna 2015 11:32:36 UTC+2 Gianfranco Rosso napísal(-a):
>
> I have a couple of BBB boards (rev. C) where the original 512MB DDR3 chip 
> (Micron MT41K256M16HA-125:E) was removed and *replaced with a new one 
> with 1GB capacity (Micron MT41K512M16HA-125:E)*.
> The only difference between the chips are the number of row address lines 
> (15 for 512MB chip, 16 for 1GB chip).
> In order to have the system to handle the full memory I know I have to 
> change the setting of the SDRAM_CONFIG register, reg_rowsize field from 
> actual 6 to 7.
> I have to *change the SDRAM_CONFIG register from the actual 0x61C05332 to 
> 0x61C053B2*
>
> I've find the 0x61C05332 constant into the MLO file (there's only one into 
> the file and also it's very close to the other constants used to initialize 
> the other EMIF registers so I'm very confident that it's really it).I'm 
> just wondering if I could, simply, *directly edit the content of the MLO 
> file*... without recompiling all the boot enviroment.
>
> Can this work? or has the MLO file some checksum also?
>
> I don't need a new brick... ;P
> bye
>

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