topic Re: NAND Flash Boot Flow and Boot Control Blocks in i.MX Processors https://community.nxp.com/t5/i-MX-Processors/NAND-Flash-Boot-Flow-and-Boot-Control-Blocks/m-p/329979#M44501 <HTML><HEAD></HEAD><BODY><P>Hi Takashi</P><P></P><P>FCB data is protected by <SPAN class="hps">software ECC, calculated</SPAN></P><P><SPAN class="hps">by arm core, each data byte is protected with parity data.</SPAN></P><P><SPAN class="hps">kobs-ng tool is used for writing FCB data to NAND.</SPAN></P><P><SPAN class="hps"><BR /></SPAN></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> Thu, 19 Mar 2015 10:28:52 GMT igorpadykov 2015-03-19T10:28:52Z NAND Flash Boot Flow and Boot Control Blocks https://community.nxp.com/t5/i-MX-Processors/NAND-Flash-Boot-Flow-and-Boot-Control-Blocks/m-p/329978#M44500 <HTML><HEAD></HEAD><BODY><P>Dear community.</P><P></P><P><SPAN class="hps">i.MX6DQ RM of&nbsp; sect 8.5.2.2 NAND Flash Boot Flow and Boot Control Blocks (BCB) <SPAN class="alt-edited hps">Describes</SPAN></SPAN></P><P> <SPAN class="hps">The FCB data structure is protected using software ECC (SEC-DED Hamming Codes).</SPAN> </P><P></P><P><SPAN class="hps">Do</SPAN> <SPAN class="hps">Will</SPAN> <SPAN class="hps">ECC</SPAN> <SPAN class="hps">data</SPAN> <SPAN class="hps">to make</SPAN> <SPAN class="hps">the BCH</SPAN> <SPAN class="hps">in</SPAN> <SPAN class="hps">Software ECC.</SPAN></P><P><SPAN>Do externally</SPAN><SPAN> </SPAN><SPAN class="highlight">calculated and <SPAN class="alt-edited hps">required to enter</SPAN> ?</SPAN></P><P><SPAN class="hps">The </SPAN><SPAN class="hps">ECC</SPAN> <SPAN class="hps">data</SPAN> <SPAN class="hps">is recorded in the</SPAN> <SPAN class="hps">0-3 </SPAN><SPAN class="hps">byte</SPAN> <SPAN class="hps">of</SPAN> <SPAN class="hps">FCB?</SPAN></P><P><SPAN class="hps"></SPAN> </P></BODY></HTML> Thu, 19 Mar 2015 07:14:23 GMT https://community.nxp.com/t5/i-MX-Processors/NAND-Flash-Boot-Flow-and-Boot-Control-Blocks/m-p/329978#M44500 takashitakahash 2015-03-19T07:14:23Z Re: NAND Flash Boot Flow and Boot Control Blocks https://community.nxp.com/t5/i-MX-Processors/NAND-Flash-Boot-Flow-and-Boot-Control-Blocks/m-p/329979#M44501 <HTML><HEAD></HEAD><BODY><P>Hi Takashi</P><P></P><P>FCB data is protected by <SPAN class="hps">software ECC, calculated</SPAN></P><P><SPAN class="hps">by arm core, each data byte is protected with parity data.</SPAN></P><P><SPAN class="hps">kobs-ng tool is used for writing FCB data to NAND.</SPAN></P><P><SPAN class="hps"><BR /></SPAN></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> Thu, 19 Mar 2015 10:28:52 GMT https://community.nxp.com/t5/i-MX-Processors/NAND-Flash-Boot-Flow-and-Boot-Control-Blocks/m-p/329979#M44501 igorpadykov 2015-03-19T10:28:52Z