topic DDR Stress Tester in i.MX Processors https://community.nxp.com/t5/i-MX-Processors/DDR-Stress-Tester/m-p/457341#M71499 <HTML><HEAD></HEAD><BODY><P>Hi,</P><P>We have got IMX6 board (Customized board) based on reference designs of sabrelite. Now we are trying to bringup the board and want to port UBoot, Kernel and OS.</P><P style="min-height: 8pt; padding: 0px;">&nbsp;</P><P>Before that, We would like run the DDR_Stress_Tester application to validate LPDDR2 (that our board has), IMX6D. For the same, we have downloaded DDR_Stress_Tester.exe and Mx6DQSDL LPDDR2 Script Aid V0.04.xls file. When we are filling the details in the xls file, it is taking 8 banks where as LPDDR2 has only 4 banks. Board has got Micron's MT42L32M16D1 LPDDR2 module. Please find the datasheet of LPDDR2 and xls file.</P><P style="min-height: 8pt; padding: 0px;">&nbsp;</P><P>What could be the possible mistake that we are making.</P><P style="min-height: 8pt; padding: 0px;">&nbsp;</P><P>When we are running the DDR stress test then we are taking script files given in the tester application. For LPDDR2, we have got "MX6SL_MMDC_LPDDR2_register_programming_aid_v0.9.inc" but where as our board is based on IMX6D. Our stress test is failing during read operation. is this failing because of the processor difference or for some other reason. </P><P><STRONG>Original Attachment has been moved to: <A _jive_internal="true" href="https://community.nxp.com/docs/DOC-336100">Mx6DQSDL-LPDDR2-Script-Aid-V0.04(2).ods</A></STRONG></P></BODY></HTML> Tue, 07 Jul 2015 05:53:56 GMT srinivasaporam 2015-07-07T05:53:56Z DDR Stress Tester https://community.nxp.com/t5/i-MX-Processors/DDR-Stress-Tester/m-p/457341#M71499 <HTML><HEAD></HEAD><BODY><P>Hi,</P><P>We have got IMX6 board (Customized board) based on reference designs of sabrelite. Now we are trying to bringup the board and want to port UBoot, Kernel and OS.</P><P style="min-height: 8pt; padding: 0px;">&nbsp;</P><P>Before that, We would like run the DDR_Stress_Tester application to validate LPDDR2 (that our board has), IMX6D. For the same, we have downloaded DDR_Stress_Tester.exe and Mx6DQSDL LPDDR2 Script Aid V0.04.xls file. When we are filling the details in the xls file, it is taking 8 banks where as LPDDR2 has only 4 banks. Board has got Micron's MT42L32M16D1 LPDDR2 module. Please find the datasheet of LPDDR2 and xls file.</P><P style="min-height: 8pt; padding: 0px;">&nbsp;</P><P>What could be the possible mistake that we are making.</P><P style="min-height: 8pt; padding: 0px;">&nbsp;</P><P>When we are running the DDR stress test then we are taking script files given in the tester application. For LPDDR2, we have got "MX6SL_MMDC_LPDDR2_register_programming_aid_v0.9.inc" but where as our board is based on IMX6D. Our stress test is failing during read operation. is this failing because of the processor difference or for some other reason. </P><P><STRONG>Original Attachment has been moved to: <A _jive_internal="true" href="https://community.nxp.com/docs/DOC-336100">Mx6DQSDL-LPDDR2-Script-Aid-V0.04(2).ods</A></STRONG></P></BODY></HTML> Tue, 07 Jul 2015 05:53:56 GMT https://community.nxp.com/t5/i-MX-Processors/DDR-Stress-Tester/m-p/457341#M71499 srinivasaporam 2015-07-07T05:53:56Z Re: DDR Stress Tester https://community.nxp.com/t5/i-MX-Processors/DDR-Stress-Tester/m-p/457342#M71500 <HTML><HEAD></HEAD><BODY><P>Hi Srinivasa</P><P></P><P>it is highly recommended to check link below,</P><P>describing various pitfalls usage i.MX6DQ with LPDDR2</P><P><A href="https://community.nxp.com/thread/324903">MX6Q+LPDDR2(32bit) boot issue</A> </P><P></P><P>For 4 banks one can manually modify obtained results setting</P><P>bit DDR_4_BANK=1, register MMDCx_MDMISC.</P><P>If memory is working at all, one can start with simple SDK ddr test,</P><P>running it with jtag and checking signals with oscillosope</P><P><A href="http://www.freescale.com/webapp/sps/site/prod_summary.jsp?code=i.MX6Q&amp;fpsp=1&amp;tab=Design_Tools_Tab">i.MX 6Series Platform SDK</A>&nbsp; : Bare-metal SDK</P><P></P><P>Best regards</P><P>igor</P><P>-----------------------------------------------------------------------------------------------------------------------</P><P>Note: If this post answers your question, please click the Correct Answer button. Thank you!</P><P>-----------------------------------------------------------------------------------------------------------------------</P></BODY></HTML> Tue, 07 Jul 2015 07:52:01 GMT https://community.nxp.com/t5/i-MX-Processors/DDR-Stress-Tester/m-p/457342#M71500 igorpadykov 2015-07-07T07:52:01Z