https://community.nxp.com/t5/Layerscape/LS1043-DDR-training-error-0x3100/m-p/1519911#M11140 <P>Please go to atf source code folder&nbsp;components/firmware/atf/, please modify&nbsp;plat/nxp/soc-ls1043a/ls1043ardb/ddr_init.c according to your custom board.</P> Fri, 09 Sep 2022 09:35:41 GMT yipingwang 2022-09-09T09:35:41Z https://community.nxp.com/t5/Layerscape/LS1043-DDR-training-error-0x3100/m-p/1506655#M11034 <P>our boards are using the on-board DDR 1600MHz （micron）</P><P>the weird part is that when we only use single rank（2GB）the board could boot up and normally work ，but when we change to the two ranks （4GB）it print the error shows in the file&nbsp;down below&nbsp;</P><P>i have already check the power ，initial timing and reset&nbsp; but i cant find any clue could lead to this</P><P>any suggestion？</P> Tue, 16 Aug 2022 08:02:57 GMT https://community.nxp.com/t5/Layerscape/LS1043-DDR-training-error-0x3100/m-p/1506655#M11034 zhy666 2022-08-16T08:02:57Z https://community.nxp.com/t5/Layerscape/LS1043-DDR-training-error-0x3100/m-p/1519911#M11140 <P>Please go to atf source code folder&nbsp;components/firmware/atf/, please modify&nbsp;plat/nxp/soc-ls1043a/ls1043ardb/ddr_init.c according to your custom board.</P> Fri, 09 Sep 2022 09:35:41 GMT https://community.nxp.com/t5/Layerscape/LS1043-DDR-training-error-0x3100/m-p/1519911#M11140 yipingwang 2022-09-09T09:35:41Z