Re: [U-Boot] Is it possible to use 2GB or DDR on MPC834x?

Valeriy Glushkov wrote:

Hi Guys!

On my mpc8347 based board I can access 1GB of DDR with mapping 4 of 256MB ranges via IBAT\DBAT registers.

But with the 2 GB of DDR it's impossible to map them with BATs (there are only 8 BATs in the e300 core and the rest 4 of them are already used).

All the mpc83xx examples in the U-boot tree seem to use <=1GB of SDRAM, so they use BATs to map them.

Any suggestions are highly appreciated.

Why do you need to access all 2GB from u-boot?

-Scott