topic Re: Should I calibrate my board for 512 mb or 1Gb in i.MX Processors https://community.nxp.com/t5/i-MX-Processors/Should-I-calibrate-my-board-for-512-mb-or-1Gb/m-p/1026559#M151661 <HTML><HEAD></HEAD><BODY><P>Here is a document regarding to DDR calibration:<BR /><A href="https://community.nxp.com/docs/DOC-105652" target="test_blank">https://community.nxp.com/docs/DOC-105652</A></P></BODY></HTML> Thu, 20 Feb 2020 04:28:28 GMT b36401 2020-02-20T04:28:28Z Should I calibrate my board for 512 mb or 1Gb https://community.nxp.com/t5/i-MX-Processors/Should-I-calibrate-my-board-for-512-mb-or-1Gb/m-p/1026556#M151658 <HTML><HEAD></HEAD><BODY><P>I have a custom imx6solo board which has 2 ddr chips of 512MB each.&nbsp;</P><P>I calibrated the ddr values for 512 mb and the board boots fine. However when I calibrate for 1Gb the board goes into kernel panic while trying to init bootm (android logo comes up at this stage).</P><P></P><P>Does having a 2 die board mean I can only use one? Is it possible to access both chips and have 1Gb dram?</P><P>what changes have to be made for this?</P></BODY></HTML> Fri, 17 Jan 2020 06:30:20 GMT https://community.nxp.com/t5/i-MX-Processors/Should-I-calibrate-my-board-for-512-mb-or-1Gb/m-p/1026556#M151658 sujay1 2020-01-17T06:30:20Z Re: Should I calibrate my board for 512 mb or 1Gb https://community.nxp.com/t5/i-MX-Processors/Should-I-calibrate-my-board-for-512-mb-or-1Gb/m-p/1026557#M151659 <HTML><HEAD></HEAD><BODY><P>You need to calibrate the board configured for both DDR chips and then use these calibrations.</P></BODY></HTML> Fri, 17 Jan 2020 07:17:04 GMT https://community.nxp.com/t5/i-MX-Processors/Should-I-calibrate-my-board-for-512-mb-or-1Gb/m-p/1026557#M151659 b36401 2020-01-17T07:17:04Z Re: Should I calibrate my board for 512 mb or 1Gb https://community.nxp.com/t5/i-MX-Processors/Should-I-calibrate-my-board-for-512-mb-or-1Gb/m-p/1026558#M151660 <HTML><HEAD></HEAD><BODY><P>Can you please elaborate how to do this?</P></BODY></HTML> Fri, 17 Jan 2020 07:32:40 GMT https://community.nxp.com/t5/i-MX-Processors/Should-I-calibrate-my-board-for-512-mb-or-1Gb/m-p/1026558#M151660 sujay1 2020-01-17T07:32:40Z Re: Should I calibrate my board for 512 mb or 1Gb https://community.nxp.com/t5/i-MX-Processors/Should-I-calibrate-my-board-for-512-mb-or-1Gb/m-p/1026559#M151661 <HTML><HEAD></HEAD><BODY><P>Here is a document regarding to DDR calibration:<BR /><A href="https://community.nxp.com/docs/DOC-105652" target="test_blank">https://community.nxp.com/docs/DOC-105652</A></P></BODY></HTML> Thu, 20 Feb 2020 04:28:28 GMT https://community.nxp.com/t5/i-MX-Processors/Should-I-calibrate-my-board-for-512-mb-or-1Gb/m-p/1026559#M151661 b36401 2020-02-20T04:28:28Z