LPC MicrocontrollersのトピックRe: How to figure out the boot failure for secure boot https://community.nxp.com/t5/LPC-Microcontrollers/How-to-figure-out-the-boot-failure-for-secure-boot/m-p/1076270#M41440 <HTML><HEAD></HEAD><BODY><P>Hi Conor,&nbsp;</P><P>Thank you for clarifying, I will check with our team regarding the error codes you are seeing.&nbsp;</P><P>Are you seeing these through an oscilloscope? If so, could you please share waveform so that I may share it with the team.</P><P>Best Regards,</P><P>Sabina</P></BODY></HTML> Tue, 26 May 2020 17:12:36 GMT Sabina_Bruce 2020-05-26T17:12:36Z How to figure out the boot failure for secure boot https://community.nxp.com/t5/LPC-Microcontrollers/How-to-figure-out-the-boot-failure-for-secure-boot/m-p/1076267#M41437 <HTML><HEAD></HEAD><BODY><P>I'm having some problems with setting up secure boot.&nbsp; I've configured the CFPA and CMPA pages and programmed a signed image, but the chip becomes bricked afterwords.&nbsp; Also the bootrom is no longer accessible.</P><P></P><P>I saw that there is a setting in the CMPA page for "Boot failure pin" that lets you pick GPIO pin that will toggle at some rate to indicate the boot error.&nbsp; However, I cannot find any information that maps the toggle rate to an error.</P><P></P><P>Is this boot failure pin usable?&nbsp; What are the error codes that the toggle rates map to?</P><P></P><P>Thanks!</P><P>Conor</P></BODY></HTML> Tue, 12 May 2020 20:53:05 GMT https://community.nxp.com/t5/LPC-Microcontrollers/How-to-figure-out-the-boot-failure-for-secure-boot/m-p/1076267#M41437 cp1 2020-05-12T20:53:05Z Re: How to figure out the boot failure for secure boot https://community.nxp.com/t5/LPC-Microcontrollers/How-to-figure-out-the-boot-failure-for-secure-boot/m-p/1076268#M41438 <HTML><HEAD></HEAD><BODY><P>Hello Conor,</P><P>Hope you are doing well.</P><P>I apologize for the delayed response, I've been discussing this with our team as you mention it is not quite clear with the statement provided in the reference manual. However,&nbsp;the bootloader provides an active notification pin known as the nIRQ pin, it can be enabled by the SetProperty command.</P><P><span class="lia-inline-image-display-wrapper" image-alt="pastedImage_1.png"><img src="https://community.nxp.com/t5/image/serverpage/image-id/105779i05B07A0249B2E500/image-size/large?v=v2&amp;px=999" role="button" title="pastedImage_1.png" alt="pastedImage_1.png" /></span></P><P>Please refer to the blhost user guide on using the SetProperty Command.</P><P>Best Regards,</P><P>Sabina</P><P>-----------------------------------------------------------------------------------------------------------------------</P><P>Note: If this post answers your question, please click the Correct Answer button. Thank you!</P><P>-----------------------------------------------------------------------------------------------------------------------&nbsp;</P></BODY></HTML> Wed, 20 May 2020 15:41:30 GMT https://community.nxp.com/t5/LPC-Microcontrollers/How-to-figure-out-the-boot-failure-for-secure-boot/m-p/1076268#M41438 Sabina_Bruce 2020-05-20T15:41:30Z Re: How to figure out the boot failure for secure boot https://community.nxp.com/t5/LPC-Microcontrollers/How-to-figure-out-the-boot-failure-for-secure-boot/m-p/1076269#M41439 <HTML><HEAD></HEAD><BODY><P>Hi Sabina,</P><P></P><P>I understand this and believe I have this part working, but my problem is I haven't been able to find documentation that shows what the errors are.&nbsp; So I can see error codes from the pin, but what would those error codes mean?</P><P></P><P>Thanks,</P><P>Conor</P></BODY></HTML> Fri, 22 May 2020 16:07:59 GMT https://community.nxp.com/t5/LPC-Microcontrollers/How-to-figure-out-the-boot-failure-for-secure-boot/m-p/1076269#M41439 cp1 2020-05-22T16:07:59Z Re: How to figure out the boot failure for secure boot https://community.nxp.com/t5/LPC-Microcontrollers/How-to-figure-out-the-boot-failure-for-secure-boot/m-p/1076270#M41440 <HTML><HEAD></HEAD><BODY><P>Hi Conor,&nbsp;</P><P>Thank you for clarifying, I will check with our team regarding the error codes you are seeing.&nbsp;</P><P>Are you seeing these through an oscilloscope? If so, could you please share waveform so that I may share it with the team.</P><P>Best Regards,</P><P>Sabina</P></BODY></HTML> Tue, 26 May 2020 17:12:36 GMT https://community.nxp.com/t5/LPC-Microcontrollers/How-to-figure-out-the-boot-failure-for-secure-boot/m-p/1076270#M41440 Sabina_Bruce 2020-05-26T17:12:36Z Re: How to figure out the boot failure for secure boot https://community.nxp.com/t5/LPC-Microcontrollers/How-to-figure-out-the-boot-failure-for-secure-boot/m-p/1076271#M41441 <HTML><HEAD></HEAD><BODY><P>Hi Conor,&nbsp;</P><P>I've received an update from our team.&nbsp;</P><P style="color: #51626f; background-color: #ffffff; border: 0px;">The Boot Failure indication pin can be set in CMPA area,&nbsp; see below table.</P><P style="color: #51626f; background-color: #ffffff; border: 0px;">&nbsp;<span class="lia-inline-image-display-wrapper" image-alt="pastedImage_1.png"><img src="https://community.nxp.com/t5/image/serverpage/image-id/108759i9D701202FBE8387A/image-size/large?v=v2&amp;px=999" role="button" title="pastedImage_1.png" alt="pastedImage_1.png" /></span></P><P style="color: #51626f; background-color: #ffffff; border: 0px;">Once set the Boot failure pin in CMPA area, the pin will hold to low when boot-up successful, if ROM boot failed and chip locked then the Boot failure pin will be hold to high. (Not toggle!)</P><P style="color: #51626f; background-color: #ffffff; border: 0px;"></P><P style="color: #51626f; background-color: #ffffff; border: 0px;">Best Regards,</P><P style="color: #51626f; background-color: #ffffff; border: 0px;">Sabina</P><P style="border: 0px;">-----------------------------------------------------------------------------------------------------------------------</P><P style="border: 0px;">Note: If this post answers your question, please click the Correct Answer button. Thank you!</P><P style="border: 0px;">-----------------------------------------------------------------------------------------------------------------------&nbsp;</P></BODY></HTML> Mon, 01 Jun 2020 15:44:40 GMT https://community.nxp.com/t5/LPC-Microcontrollers/How-to-figure-out-the-boot-failure-for-secure-boot/m-p/1076271#M41441 Sabina_Bruce 2020-06-01T15:44:40Z