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DDR3 clock speed is not maxed to 400Mhz

Other Parts Discussed in Thread: AM3356

Hi,

We are using TI's AM335x WEC7 BSP for our custom AM335x-based device. We are using DDR3 for our RAM but we observed that the DDR3 clock speed was not maxed to 400Mhz even after we followed the DDR3 timing as per datasheet. Is there something in the CPU code or platform code that needs to be modified as well so we can achieve 400Mhz clock speed? Right now, we are only able to reach at most 325Mhz.

Thanks