one can refer to the link first :
I read the post you provide, and I still have some questions. For DDR stress test tool, the ddr clock can be changed from 333Mhz to 672Mhz, but I read the IMX6 RM and can not find out how to change ddr clock to 333Mhz. Can you gie me some help about how the ddr stress test tool change the ddr clock? Thanks!
Hello,
Sources of the DDR stress tool are not provided.
But You may create request to get some codes how to change DDR frequency.
How to submit a new question for NXP Support
Regards,
Yuri.