https://community.nxp.com/t5/i-MX-Processors/How-to-check-DDR-frequency-on-IMX8MP-platform/m-p/2074705#M235929 <P>How to check DDR frequency on IMX8MP platform？<BR />How to switch DDR fixed frequency or variable frequency？</P> Mon, 07 Apr 2025 02:27:49 GMT logic887 2025-04-07T02:27:49Z https://community.nxp.com/t5/i-MX-Processors/How-to-check-DDR-frequency-on-IMX8MP-platform/m-p/2074705#M235929 <P>How to check DDR frequency on IMX8MP platform？<BR />How to switch DDR fixed frequency or variable frequency？</P> Mon, 07 Apr 2025 02:27:49 GMT https://community.nxp.com/t5/i-MX-Processors/How-to-check-DDR-frequency-on-IMX8MP-platform/m-p/2074705#M235929 logic887 2025-04-07T02:27:49Z https://community.nxp.com/t5/i-MX-Processors/How-to-check-DDR-frequency-on-IMX8MP-platform/m-p/2075892#M236047 <P>Hello,<BR /><BR />The&nbsp;DDR frequency is printed in Uboot SPL log. For the&nbsp;<SPAN>variable frequency, you need to get multiple ddr timing files like&nbsp;board/freescale/imx8mp_evk/lpddr4_timing.c. This is fixed once SPL finish the DDR training.</SPAN></P> <P><SPAN> If you have different&nbsp;ddr frequency in your product, you can write the product id in fuse and then read it in SPL to load different&nbsp;ddr timing file.</SPAN><BR /><BR />Best Regards,<BR />Zhiming</P> Tue, 08 Apr 2025 07:59:26 GMT https://community.nxp.com/t5/i-MX-Processors/How-to-check-DDR-frequency-on-IMX8MP-platform/m-p/2075892#M236047 Zhiming_Liu 2025-04-08T07:59:26Z