topic Re: ERROR FOUND, we can't get suitable value !!!! in i.MX Processors https://community.nxp.com/t5/i-MX-Processors/ERROR-FOUND-we-can-t-get-suitable-value/m-p/1026747#M151716 <HTML><HEAD></HEAD><BODY><P>We have verified this conclusion！DDR虚焊造成的！</P></BODY></HTML> Fri, 10 Jan 2020 07:22:57 GMT 孙金凯 2020-01-10T07:22:57Z ERROR FOUND, we can't get suitable value !!!! https://community.nxp.com/t5/i-MX-Processors/ERROR-FOUND-we-can-t-get-suitable-value/m-p/1026744#M151713 <HTML><HEAD></HEAD><BODY><P>My design is the same as the development board（SABRESDP_DESIGNFILES）！</P><P>Can you help analyze and solve the issue，thanks！</P><P></P><P></P><P><BR />============================================<BR /> DDR Stress Test (2.6.0) <BR /> Build: Aug 1 2017, 17:33:18<BR /> NXP Semiconductors.<BR />============================================</P><P>============================================<BR /> Chip ID<BR />CHIP ID = i.MX6 Solo/DualLite (0x61)<BR />Internal Revision = TO1.4<BR />============================================</P><P>============================================<BR /> Boot Configuration<BR />SRC_SBMR1(0x020d8004) = 0x00001040<BR />SRC_SBMR2(0x020d801c) = 0x1a000001<BR />============================================</P><P>ARM Clock set to 1GHz</P><P>============================================<BR /> DDR configuration<BR />BOOT_CFG3[5-4]: 0x00, Single DDR channel.<BR />DDR type is DDR3 <BR />Data width: 64, bank num: 8<BR />Row size: 14, col size: 10<BR />Chip select CSD0 is used <BR />Density per chip select: 1024MB <BR />============================================</P><P>Current Temperature: 40<BR />============================================</P><P>DDR Freq: 396 MHz</P><P>ddr_mr1=0x00000004<BR />Start write leveling calibration...<BR />running Write level HW calibration<BR />Write leveling calibration completed, update the following registers in your initialization script<BR /> MMDC_MPWLDECTRL0 ch0 (0x021b080c) = 0x001F001F<BR /> MMDC_MPWLDECTRL1 ch0 (0x021b0810) = 0x003A0044<BR /> MMDC_MPWLDECTRL0 ch1 (0x021b480c) = 0x00300034<BR /> MMDC_MPWLDECTRL1 ch1 (0x021b4810) = 0x002D0045<BR />Write DQS delay result:<BR /> Write DQS0 delay: 31/256 CK<BR /> Write DQS1 delay: 31/256 CK<BR /> Write DQS2 delay: 68/256 CK<BR /> Write DQS3 delay: 58/256 CK<BR /> Write DQS4 delay: 52/256 CK<BR /> Write DQS5 delay: 48/256 CK<BR /> Write DQS6 delay: 69/256 CK<BR /> Write DQS7 delay: 45/256 CK</P><P><BR />WARNING: write-leveling calibration value is greater than 1/8 CK.<BR /> Per the reference manual, WALAT must be set to 1 in the register MDMISC(0x021B0018).<BR /> This has been performed automatically. <BR /> However, in addition to updating the calibration values in your DDR initialization, <BR /> it is also REQUIRED change the value of MDMISC in their DDR initialization as follows:</P><P>MMDC_MDMISC (0x021b0018) = 0x00011740</P><P>Starting DQS gating calibration<BR />. HC_DEL=0x00000000 result[00]=0x11111111<BR />. HC_DEL=0x00000001 result[01]=0x00000011<BR />. HC_DEL=0x00000002 result[02]=0x00000011<BR />. HC_DEL=0x00000003 result[03]=0x00000011<BR />. HC_DEL=0x00000004 result[04]=0x11111111<BR />. HC_DEL=0x00000005 result[05]=0x11111111<BR />. HC_DEL=0x00000006 result[06]=0x11111111<BR />. HC_DEL=0x00000007 result[07]=0x11111111<BR />. HC_DEL=0x00000008 result[08]=0x11111111<BR />. HC_DEL=0x00000009 result[09]=0x11111111<BR />. HC_DEL=0x0000000A result[0A]=0x11111111<BR />. HC_DEL=0x0000000B result[0B]=0x11111111<BR />. HC_DEL=0x0000000C result[0C]=0x11111111<BR />. HC_DEL=0x0000000D result[0D]=0x11111111<BR />ERROR FOUND, we can't get suitable value !!!!<BR />dram test fails for all values.</P><P>Error: failed during ddr calibration</P></BODY></HTML> Mon, 30 Dec 2019 06:38:19 GMT https://community.nxp.com/t5/i-MX-Processors/ERROR-FOUND-we-can-t-get-suitable-value/m-p/1026744#M151713 孙金凯 2019-12-30T06:38:19Z Re: ERROR FOUND, we can't get suitable value !!!! https://community.nxp.com/t5/i-MX-Processors/ERROR-FOUND-we-can-t-get-suitable-value/m-p/1026745#M151714 <HTML><HEAD></HEAD><BODY><P>Hi 金凯 孙&nbsp;</P><P></P><P>some errors are described in <A href="https://community.nxp.com/docs/DOC-101708">Freescale i.MX6 DRAM Port Application Guide-DDR3</A>&nbsp;</P><P>DQS gating calibration error "can't get suitable value"</P><P>may be caused by board noise, so one can check hardware using</P><P><A href="https://www.nxp.com/webapp/Download?colCode=IMX6DQ6SDLHDG" target="_blank"><STRONG>IMX6DQ6SDLHDG, Hardware Development Guide for i.MX 6Quad, 6Dual, 6DualLite, 6Solo Families of Applications Processors</STRONG></A></P><P></P><P>Best regards<BR />igor<BR />-----------------------------------------------------------------------------------------------------------------------<BR />Note: If this post answers your question, please click the Correct Answer button. Thank you!<BR />-----------------------------------------------------------------------------------------------------------------------</P></BODY></HTML> Fri, 03 Jan 2020 02:39:08 GMT https://community.nxp.com/t5/i-MX-Processors/ERROR-FOUND-we-can-t-get-suitable-value/m-p/1026745#M151714 igorpadykov 2020-01-03T02:39:08Z Re: ERROR FOUND, we can't get suitable value !!!! https://community.nxp.com/t5/i-MX-Processors/ERROR-FOUND-we-can-t-get-suitable-value/m-p/1026746#M151715 <HTML><HEAD></HEAD><BODY><DIV class="" style="color: #000000; background-color: #f9f9f9;"><DIV class=""><SPAN>It may be caused by faulty welding！</SPAN></DIV><DIV class=""><SPAN>Press the chip（DDR） with my finger to calibrate it and successed！</SPAN></DIV></DIV></BODY></HTML> Fri, 03 Jan 2020 08:49:28 GMT https://community.nxp.com/t5/i-MX-Processors/ERROR-FOUND-we-can-t-get-suitable-value/m-p/1026746#M151715 孙金凯 2020-01-03T08:49:28Z Re: ERROR FOUND, we can't get suitable value !!!! https://community.nxp.com/t5/i-MX-Processors/ERROR-FOUND-we-can-t-get-suitable-value/m-p/1026747#M151716 <HTML><HEAD></HEAD><BODY><P>We have verified this conclusion！DDR虚焊造成的！</P></BODY></HTML> Fri, 10 Jan 2020 07:22:57 GMT https://community.nxp.com/t5/i-MX-Processors/ERROR-FOUND-we-can-t-get-suitable-value/m-p/1026747#M151716 孙金凯 2020-01-10T07:22:57Z