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Linux/AM3352: Reading DDR info from SPL

Part Number: AM3352

Tool/software: Linux

Hello,

We have beaglebone black based custom board,

We are planning to upgrade board with bigger RAM.

Now to handle DDR initialization in SPL we want to detect which DDR chip it is.

One option is to add product id on the board (by adding some GPIO and pulling it permanent high or low) and that can be read on SPL

However current RAM upgrade is just a part drop we want to see if we can detect RAM chip before initializing it in SPL code.

Is it possible to read DDR3 id or size before initialing all EMIF registers ? any other suggestions to handle such scenario ?

Thanks,

Regards,

Ankur