https://community.nxp.com/t5/P-Series/P4080DS-P5040-Secure-Boot/m-p/1149173#M4948 <P><SPAN>Followed the instructions mentioned in SDK and built all the headers and images required to execute secure boot including RCW with SB_EN and BOOT_HO enabled. After writing OTPMK, header/images to alternate bank through "pixis_reset altbank" launched the reset. Through CC wrote SRKH register values and removed the core from hold but I don't see anything on the serial line. Enabled "SW6[8] = 0b1" for OTPMK fuse burning.</SPAN></P><P><SPAN>Where can I find information about these registers (0xfe314014 and SCRATCH) for different boards? I am interested in P4080DS and P5040 boards. Which bits represent OTPMK_ZERO, OTPMK_SYNDROME and PE? I am not able to find them in SDK 2.0 documentation and TRM for the boards.</SPAN></P><P><SPAN>If I mistakenly wrote/burned wrong OTPMK values to 0xfe0e805c, how can I re-write new values assuming it has mirror? When I do "md&nbsp;0xfe0e805c", all I see is "0"'s. How do I verify if I wrote the correct values for OTPMK fuses?</SPAN></P><P><SPAN>For the status register I see (through CC and booting from Bank 0)</SPAN><SPAN><BR />=&gt; md 0xfe314014<BR />fe314014: 80f70b00 00000002 00000000 00000000 ................<BR /></SPAN></P><P>Does this value indicate an error? If so, what are the errors and how can I fix them?</P><P><SPAN>Greatly appreciate your help in this regard.&nbsp;</SPAN>Thank you!</P> Fri, 04 Sep 2020 22:40:46 GMT ramakrishna_bik 2020-09-04T22:40:46Z https://community.nxp.com/t5/P-Series/P4080DS-P5040-Secure-Boot/m-p/1149173#M4948 <P><SPAN>Followed the instructions mentioned in SDK and built all the headers and images required to execute secure boot including RCW with SB_EN and BOOT_HO enabled. After writing OTPMK, header/images to alternate bank through "pixis_reset altbank" launched the reset. Through CC wrote SRKH register values and removed the core from hold but I don't see anything on the serial line. Enabled "SW6[8] = 0b1" for OTPMK fuse burning.</SPAN></P><P><SPAN>Where can I find information about these registers (0xfe314014 and SCRATCH) for different boards? I am interested in P4080DS and P5040 boards. Which bits represent OTPMK_ZERO, OTPMK_SYNDROME and PE? I am not able to find them in SDK 2.0 documentation and TRM for the boards.</SPAN></P><P><SPAN>If I mistakenly wrote/burned wrong OTPMK values to 0xfe0e805c, how can I re-write new values assuming it has mirror? When I do "md&nbsp;0xfe0e805c", all I see is "0"'s. How do I verify if I wrote the correct values for OTPMK fuses?</SPAN></P><P><SPAN>For the status register I see (through CC and booting from Bank 0)</SPAN><SPAN><BR />=&gt; md 0xfe314014<BR />fe314014: 80f70b00 00000002 00000000 00000000 ................<BR /></SPAN></P><P>Does this value indicate an error? If so, what are the errors and how can I fix them?</P><P><SPAN>Greatly appreciate your help in this regard.&nbsp;</SPAN>Thank you!</P> Fri, 04 Sep 2020 22:40:46 GMT https://community.nxp.com/t5/P-Series/P4080DS-P5040-Secure-Boot/m-p/1149173#M4948 ramakrishna_bik 2020-09-04T22:40:46Z https://community.nxp.com/t5/P-Series/P4080DS-P5040-Secure-Boot/m-p/1149824#M4949 <P>Secure Boot details cannot be discussed in public Community.</P> <P>Please create a Technical Case:</P> <P><A href="https://support.nxp.com/s/" target="_blank">https://support.nxp.com/s/</A></P> Mon, 07 Sep 2020 16:57:30 GMT https://community.nxp.com/t5/P-Series/P4080DS-P5040-Secure-Boot/m-p/1149824#M4949 ufedor 2020-09-07T16:57:30Z https://community.nxp.com/t5/P-Series/P4080DS-P5040-Secure-Boot/m-p/1150443#M4950 <P>Thank you!</P> Tue, 08 Sep 2020 14:52:25 GMT https://community.nxp.com/t5/P-Series/P4080DS-P5040-Secure-Boot/m-p/1150443#M4950 ramakrishna_bik 2020-09-08T14:52:25Z