i.MX ProcessorsのトピックHold time control for NAND flash. https://community.nxp.com/t5/i-MX-Processors/Hold-time-control-for-NAND-flash/m-p/964236#M143684 <HTML><HEAD></HEAD><BODY><P>Hello community,</P><P></P><P>I'm trying to configure GPMI NAND I/F timing for i.MX6Dual.</P><P>Current GPIM_TIMING0[DATA_HOLD]=3 and GPIM_TIMING0 register value is a&nbsp; 0x00010303.</P><P>But write cycle waveform output only 1cycle width.</P><P>Other bit value, GPIM_TIMING0[ADDRESS_SETUP] and GPIM_TIMING0[DATA_SETUP], seems correctly.</P><P></P><P>Do you have some checkpoint to solve this problem?</P><P></P><P>Best regards,</P><P>Ishii.</P></BODY></HTML> Tue, 24 Sep 2019 11:07:39 GMT takayuki_ishii 2019-09-24T11:07:39Z Hold time control for NAND flash. https://community.nxp.com/t5/i-MX-Processors/Hold-time-control-for-NAND-flash/m-p/964236#M143684 <HTML><HEAD></HEAD><BODY><P>Hello community,</P><P></P><P>I'm trying to configure GPMI NAND I/F timing for i.MX6Dual.</P><P>Current GPIM_TIMING0[DATA_HOLD]=3 and GPIM_TIMING0 register value is a&nbsp; 0x00010303.</P><P>But write cycle waveform output only 1cycle width.</P><P>Other bit value, GPIM_TIMING0[ADDRESS_SETUP] and GPIM_TIMING0[DATA_SETUP], seems correctly.</P><P></P><P>Do you have some checkpoint to solve this problem?</P><P></P><P>Best regards,</P><P>Ishii.</P></BODY></HTML> Tue, 24 Sep 2019 11:07:39 GMT https://community.nxp.com/t5/i-MX-Processors/Hold-time-control-for-NAND-flash/m-p/964236#M143684 takayuki_ishii 2019-09-24T11:07:39Z Re: Hold time control for NAND flash. https://community.nxp.com/t5/i-MX-Processors/Hold-time-control-for-NAND-flash/m-p/964237#M143685 <HTML><HEAD></HEAD><BODY><P>Hello,</P><P></P><P>Are you doing the setup for Uboot?&nbsp; or directly in the DTS,? which NAND memory you are trying to use?</P><P></P><P>You can check</P><P></P><P>Linux Guide in Linux Documentation</P><P><A class="" data-content-finding="Community" href="https://community.nxp.com/external-link.jspa?url=http%3A%2F%2Fwww.nxp.com%2Fwebapp%2FDownload%3FcolCode%3DL4.1.15_2.0.0-LINUX-DOCS%26Parent_nodeId%3D1337699481071706174845%26Parent_pageType%3Dproduct" rel="nofollow" target="_blank">http://www.nxp.com/webapp/Download?colCode=L4.1.15_2.0.0-LINUX-DOCS&amp;Parent_nodeId=1337699481071706174845&amp;Parent_pageType…</A>&nbsp;</P></BODY></HTML> Mon, 30 Sep 2019 23:52:40 GMT https://community.nxp.com/t5/i-MX-Processors/Hold-time-control-for-NAND-flash/m-p/964237#M143685 jamesbone 2019-09-30T23:52:40Z Re: Hold time control for NAND flash. https://community.nxp.com/t5/i-MX-Processors/Hold-time-control-for-NAND-flash/m-p/964238#M143686 <HTML><HEAD></HEAD><BODY><P>Hello <A class="jx-jive-macro-user" href="https://community.nxp.com/people/jamesbone">jamesbone</A>‌</P><P></P><P>Thank you for your reply and sorry my late reply.</P><P></P><P>This problem occurs by u-boot setting.</P><P>NAND device is a&nbsp;Macronix&nbsp;<SPAN style="font-size: 11.0pt;">MX30LF4G18AC .</SPAN></P><P></P><P><SPAN style="font-size: 11.0pt;">Best regards,</SPAN></P><P><SPAN style="font-size: 11.0pt;">Ishii.</SPAN></P><P></P></BODY></HTML> Tue, 08 Oct 2019 01:12:05 GMT https://community.nxp.com/t5/i-MX-Processors/Hold-time-control-for-NAND-flash/m-p/964238#M143686 takayuki_ishii 2019-10-08T01:12:05Z