https://community.nxp.com/t5/i-MX-Processors/How-to-do-memory-distribution-when-512M-DDR/m-p/1267647#M173142 <P>When I used 512M DDR on i.MX8QXP platform,how to distribute the memory and reserved memory</P><P>at boot and kernel?</P> Sun, 25 Apr 2021 10:53:55 GMT xu_ji1 2021-04-25T10:53:55Z https://community.nxp.com/t5/i-MX-Processors/How-to-do-memory-distribution-when-512M-DDR/m-p/1267647#M173142 <P>When I used 512M DDR on i.MX8QXP platform,how to distribute the memory and reserved memory</P><P>at boot and kernel?</P> Sun, 25 Apr 2021 10:53:55 GMT https://community.nxp.com/t5/i-MX-Processors/How-to-do-memory-distribution-when-512M-DDR/m-p/1267647#M173142 xu_ji1 2021-04-25T10:53:55Z https://community.nxp.com/t5/i-MX-Processors/How-to-do-memory-distribution-when-512M-DDR/m-p/1267700#M173157 <P>Hi Xu</P> <P>&nbsp;</P> <P>one can try to decrease cma size in</P> <P><A href="https://source.codeaurora.org/external/imx/linux-imx/tree/arch/arm64/boot/dts/freescale/imx8x-mek.dtsi?h=imx_5.4.70_2.3.0" target="_blank">https://source.codeaurora.org/external/imx/linux-imx/tree/arch/arm64/boot/dts/freescale/imx8x-mek.dtsi?h=imx_5.4.70_2.3.0</A></P> <P>Verify that proper RPA tool was used and board passed ddr test</P> <P><A href="https://community.nxp.com/t5/i-MX-Processors-Knowledge-Base/i-MX-8-8X-Family-DDR-Tools-Release/ta-p/1121519" target="_blank">https://community.nxp.com/t5/i-MX-Processors-Knowledge-Base/i-MX-8-8X-Family-DDR-Tools-Release/ta-p/1121519</A></P> <P>&nbsp;</P> <P>Best regards<BR />igor</P> Mon, 26 Apr 2021 00:14:42 GMT https://community.nxp.com/t5/i-MX-Processors/How-to-do-memory-distribution-when-512M-DDR/m-p/1267700#M173157 igorpadykov 2021-04-26T00:14:42Z