LayerscapeのトピックRe: How do I configure DDR_SDRAM_CFG and _2? https://community.nxp.com/t5/Layerscape/How-do-I-configure-DDR-SDRAM-CFG-and-2/m-p/802205#M3566 <HTML><HEAD></HEAD><BODY><P>Hello <A _jive_internal="true" data-content-finding="Community" data-userid="286500" data-username="tracysmith" href="https://community.nxp.com/people/tracysmith">Tracy Smith</A>,</P><P></P><P>In your u-boot source code, if you use raw timing or reading from SPD method to configure DDR controller, you could define the following in u-boot header file include/configs/&lt;target&gt;.h</P><P></P><P>#define CONFIG_DDR_ECC<BR />#ifdef CONFIG_DDR_ECC<BR />#define CONFIG_ECC_INIT_VIA_DDRCONTROLLER<BR />#define CONFIG_MEM_INIT_VALUE&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; 0xdeadbeef<BR />#endif</P><P><BR />Have a great day,<BR />TIC</P><P></P><P>-----------------------------------------------------------------------------------------------------------------------<BR />Note: If this post answers your question, please click the Correct Answer button. Thank you!<BR />-----------------------------------------------------------------------------------------------------------------------</P></BODY></HTML> Tue, 11 Sep 2018 06:24:41 GMT yipingwang 2018-09-11T06:24:41Z How do I configure DDR_SDRAM_CFG and _2? https://community.nxp.com/t5/Layerscape/How-do-I-configure-DDR-SDRAM-CFG-and-2/m-p/802204#M3565 <HTML><HEAD></HEAD><BODY><P>Do you have example code on how to configure DDR_SDRAM_CFG_2<SPAN class="">[D_INIT]</SPAN>=0b'1 and how to configure DDR_SDRAM_CFG<SPAN class="">[ECC_EN]</SPAN>=0b'1?&nbsp; Any recommended uboot code or unit test code available on configuring the DDR registers that you would recommend? Need inbyte/outbyte code to configure registers or whatever you recommend from linux or uboot. Any assistance will be greatly appreciated.</P></BODY></HTML> Fri, 07 Sep 2018 22:12:54 GMT https://community.nxp.com/t5/Layerscape/How-do-I-configure-DDR-SDRAM-CFG-and-2/m-p/802204#M3565 tracysmith 2018-09-07T22:12:54Z Re: How do I configure DDR_SDRAM_CFG and _2? https://community.nxp.com/t5/Layerscape/How-do-I-configure-DDR-SDRAM-CFG-and-2/m-p/802205#M3566 <HTML><HEAD></HEAD><BODY><P>Hello <A _jive_internal="true" data-content-finding="Community" data-userid="286500" data-username="tracysmith" href="https://community.nxp.com/people/tracysmith">Tracy Smith</A>,</P><P></P><P>In your u-boot source code, if you use raw timing or reading from SPD method to configure DDR controller, you could define the following in u-boot header file include/configs/&lt;target&gt;.h</P><P></P><P>#define CONFIG_DDR_ECC<BR />#ifdef CONFIG_DDR_ECC<BR />#define CONFIG_ECC_INIT_VIA_DDRCONTROLLER<BR />#define CONFIG_MEM_INIT_VALUE&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; 0xdeadbeef<BR />#endif</P><P><BR />Have a great day,<BR />TIC</P><P></P><P>-----------------------------------------------------------------------------------------------------------------------<BR />Note: If this post answers your question, please click the Correct Answer button. Thank you!<BR />-----------------------------------------------------------------------------------------------------------------------</P></BODY></HTML> Tue, 11 Sep 2018 06:24:41 GMT https://community.nxp.com/t5/Layerscape/How-do-I-configure-DDR-SDRAM-CFG-and-2/m-p/802205#M3566 yipingwang 2018-09-11T06:24:41Z