https://community.nxp.com/t5/Layerscape/No-messages-from-UART/m-p/1319928#M8672 <P>To start the board recovery, it is recommended to prepare bootable SD card.<BR /><BR />Composite firmware image "firmware_ls1046ardb_uboot_sdboot.img" can be downloaded from:<BR /><A href="https://lsdk.github.io/components.html" target="_blank">https://lsdk.github.io/components.html</A><BR />section LSDK IMAGES<BR /><BR />Using a Linux machine write the firmware image to SD card at offset block (512-byte) 8:</P><P>&nbsp;&nbsp;&nbsp; # dd if=firmware_ls1046ardb_uboot_sdboot.img of=/dev/sdX seek=8 bs=512</P><P>(sdX should correspond to actual name of the SD card device)<BR /><BR />After preparing the SD card refer to the QorIQ LS1046A Reference Design Board Getting Started Guide, 8 DIP switches (SW5[1:8] + SW4[1]) and set RCW_SRC[0:8] = 0010_0000_0: SDHC/eMMC<BR /><BR />Insert SD card and power-on the board.</P> Sat, 07 Aug 2021 09:08:32 GMT ufedor 2021-08-07T09:08:32Z https://community.nxp.com/t5/Layerscape/No-messages-from-UART/m-p/1319718#M8667 <P><SPAN class="VIiyi"><SPAN class="JLqJ4b ChMk0b"><SPAN>I have LS1046A-RDB and I cannot boot it up. There is no UART messages. I've tried both options (micro-USB and RJ-45). This happened after failing to flash the QSPI firmware for another board (FRWY-1046) using the quick start guide as shown below.</SPAN></SPAN></SPAN></P><P><span class="lia-inline-image-display-wrapper lia-image-align-inline" image-alt="maksimdemin_0-1628255202656.png" style="width: 400px;"><img src="https://community.nxp.com/t5/image/serverpage/image-id/152145i1F334E7822C7262D/image-size/medium?v=v2&amp;px=400" role="button" title="maksimdemin_0-1628255202656.png" alt="maksimdemin_0-1628255202656.png" /></span></P><P>&nbsp;</P><P>Any help is appreciated. Thanks!</P> Fri, 06 Aug 2021 13:14:35 GMT https://community.nxp.com/t5/Layerscape/No-messages-from-UART/m-p/1319718#M8667 maksimdemin 2021-08-06T13:14:35Z https://community.nxp.com/t5/Layerscape/No-messages-from-UART/m-p/1319928#M8672 <P>To start the board recovery, it is recommended to prepare bootable SD card.<BR /><BR />Composite firmware image "firmware_ls1046ardb_uboot_sdboot.img" can be downloaded from:<BR /><A href="https://lsdk.github.io/components.html" target="_blank">https://lsdk.github.io/components.html</A><BR />section LSDK IMAGES<BR /><BR />Using a Linux machine write the firmware image to SD card at offset block (512-byte) 8:</P><P>&nbsp;&nbsp;&nbsp; # dd if=firmware_ls1046ardb_uboot_sdboot.img of=/dev/sdX seek=8 bs=512</P><P>(sdX should correspond to actual name of the SD card device)<BR /><BR />After preparing the SD card refer to the QorIQ LS1046A Reference Design Board Getting Started Guide, 8 DIP switches (SW5[1:8] + SW4[1]) and set RCW_SRC[0:8] = 0010_0000_0: SDHC/eMMC<BR /><BR />Insert SD card and power-on the board.</P> Sat, 07 Aug 2021 09:08:32 GMT https://community.nxp.com/t5/Layerscape/No-messages-from-UART/m-p/1319928#M8672 ufedor 2021-08-07T09:08:32Z