<div dir="ltr"><p style="margin:0px 0px 8px;padding:0px;border:0px;font-family:Oxygen,Arial,Tahoma,sans-serif;font-size:12px;line-height:18px;vertical-align:baseline;color:rgb(65,85,96)">Hi,</p><p style="margin:0px 0px 8px;padding:0px;border:0px;font-family:Oxygen,Arial,Tahoma,sans-serif;font-size:12px;line-height:18px;vertical-align:baseline;color:rgb(65,85,96)">I'm trying to flash Yocto Dizzy (core-image-minimal built with BitBake) onto a LogicPD DM3730 / AM3730 Torpedo + Wireless SOM using the following commands at the U-Boot prompt: </p><p style="margin:0px;padding:0px;border:0px;font-family:Oxygen,Arial,Tahoma,sans-serif;font-size:12px;line-height:18px;vertical-align:baseline;color:rgb(65,85,96)"><span style="margin:0px;padding:0px;border:0px;font-family:'Courier New';font-size:inherit;font-style:inherit;font-variant:inherit;line-height:inherit;vertical-align:baseline"># nand erase.chip<br># env default -f </span></p><p style="margin:0px;padding:0px;border:0px;font-family:Oxygen,Arial,Tahoma,sans-serif;font-size:12px;line-height:18px;vertical-align:baseline;color:rgb(65,85,96)"><span style="margin:0px;padding:0px;border:0px;font-family:'Courier New';font-size:inherit;font-style:inherit;font-variant:inherit;line-height:inherit;vertical-align:baseline"># setenv loadaddr 0x81000000 </span></p><p style="margin:0px;padding:0px;border:0px;font-family:Oxygen,Arial,Tahoma,sans-serif;font-size:12px;line-height:18px;vertical-align:baseline;color:rgb(65,85,96)"><span style="margin:0px;padding:0px;border:0px;font-family:'Courier New';font-size:inherit;font-style:inherit;font-variant:inherit;line-height:inherit;vertical-align:baseline"># setenv ramdiskaddr 0x82000000 </span></p><p style="margin:0px;padding:0px;border:0px;font-family:Oxygen,Arial,Tahoma,sans-serif;font-size:12px;line-height:18px;vertical-align:baseline;color:rgb(65,85,96)"><span style="margin:0px;padding:0px;border:0px;font-family:'Courier New';font-size:inherit;font-style:inherit;font-variant:inherit;line-height:inherit;vertical-align:baseline"># setenv kernel_nand_offset 0x00280000 </span></p><p style="margin:0px;padding:0px;border:0px;font-family:Oxygen,Arial,Tahoma,sans-serif;font-size:12px;line-height:18px;vertical-align:baseline;color:rgb(65,85,96)"><span style="margin:0px;padding:0px;border:0px;font-family:'Courier New';font-size:inherit;font-style:inherit;font-variant:inherit;line-height:inherit;vertical-align:baseline"># setenv kernel_nand_size 0x00400000 </span></p><p style="margin:0px;padding:0px;border:0px;font-family:Oxygen,Arial,Tahoma,sans-serif;font-size:12px;line-height:18px;vertical-align:baseline;color:rgb(65,85,96)"><span style="margin:0px;padding:0px;border:0px;font-family:'Courier New';font-size:inherit;font-style:inherit;font-variant:inherit;line-height:inherit;vertical-align:baseline"># setenv ramdisk_nand_offset 0x00680000 </span></p><p style="margin:0px;padding:0px;border:0px;font-family:Oxygen,Arial,Tahoma,sans-serif;font-size:12px;line-height:18px;vertical-align:baseline;color:rgb(65,85,96)"><span style="margin:0px;padding:0px;border:0px;font-family:'Courier New';font-size:inherit;font-style:inherit;font-variant:inherit;line-height:inherit;vertical-align:baseline"># setenv ramdisk_nand_size 0x00dd8680 </span></p><p style="margin:0px;padding:0px;border:0px;font-family:Oxygen,Arial,Tahoma,sans-serif;font-size:12px;line-height:18px;vertical-align:baseline;color:rgb(65,85,96)"><span style="margin:0px;padding:0px;border:0px;font-family:'Courier New';font-size:inherit;font-style:inherit;font-variant:inherit;line-height:inherit;vertical-align:baseline"># setenv kernel_location nand</span></p><p style="margin:0px;padding:0px;border:0px;font-family:Oxygen,Arial,Tahoma,sans-serif;font-size:12px;line-height:18px;vertical-align:baseline;color:rgb(65,85,96)"><span style="margin:0px;padding:0px;border:0px;font-family:'Courier New';font-size:inherit;font-style:inherit;font-variant:inherit;line-height:inherit;vertical-align:baseline"># setenv rootfs_location nand </span></p><p style="margin:0px;padding:0px;border:0px;font-family:Oxygen,Arial,Tahoma,sans-serif;font-size:12px;line-height:18px;vertical-align:baseline;color:rgb(65,85,96)"><span style="margin:0px;padding:0px;border:0px;font-family:'Courier New';font-size:inherit;font-style:inherit;font-variant:inherit;line-height:inherit;vertical-align:baseline"># setenv rootfs_type ramdisk </span></p><p style="margin:0px;padding:0px;border:0px;font-family:Oxygen,Arial,Tahoma,sans-serif;font-size:12px;line-height:18px;vertical-align:baseline;color:rgb(65,85,96)"><span style="margin:0px;padding:0px;border:0px;font-family:'Courier New';font-size:inherit;font-style:inherit;font-variant:inherit;line-height:inherit;vertical-align:baseline"># saveenv</span></p><p style="margin:0px;padding:0px;border:0px;font-family:Oxygen,Arial,Tahoma,sans-serif;font-size:12px;line-height:18px;vertical-align:baseline;color:rgb(65,85,96)"><span style="margin:0px;padding:0px;border:0px;font-family:'Courier New';font-size:inherit;font-style:inherit;font-variant:inherit;line-height:inherit;vertical-align:baseline"># mmc init</span></p><p style="margin:0px;padding:0px;border:0px;font-family:Oxygen,Arial,Tahoma,sans-serif;font-size:12px;line-height:18px;vertical-align:baseline;color:rgb(65,85,96)"><span style="margin:0px;padding:0px;border:0px;font-family:'Courier New';font-size:inherit;font-style:inherit;font-variant:inherit;line-height:inherit;vertical-align:baseline"># mw.l ${loadaddr} 0xFFFFFFFF 0x400000 </span></p><p style="margin:0px;padding:0px;border:0px;font-family:Oxygen,Arial,Tahoma,sans-serif;font-size:12px;line-height:18px;vertical-align:baseline;color:rgb(65,85,96)"><span style="margin:0px;padding:0px;border:0px;font-family:'Courier New';font-size:inherit;font-style:inherit;font-variant:inherit;line-height:inherit;vertical-align:baseline"># fatload mmc 0 ${loadaddr} mlo </span></p><p style="margin:0px;padding:0px;border:0px;font-family:Oxygen,Arial,Tahoma,sans-serif;font-size:12px;line-height:18px;vertical-align:baseline;color:rgb(65,85,96)"><span style="margin:0px;padding:0px;border:0px;font-family:'Courier New';font-size:inherit;font-style:inherit;font-variant:inherit;line-height:inherit;vertical-align:baseline"># nandecc hw </span></p><p style="margin:0px;padding:0px;border:0px;font-family:Oxygen,Arial,Tahoma,sans-serif;font-size:12px;line-height:18px;vertical-align:baseline;color:rgb(65,85,96)"><span style="margin:0px;padding:0px;border:0px;font-family:'Courier New';font-size:inherit;font-style:inherit;font-variant:inherit;line-height:inherit;vertical-align:baseline"># nand write ${loadaddr} 0x00000000 0x00020000 </span></p><p style="margin:0px;padding:0px;border:0px;font-family:Oxygen,Arial,Tahoma,sans-serif;font-size:12px;line-height:18px;vertical-align:baseline;color:rgb(65,85,96)"><span style="margin:0px;padding:0px;border:0px;font-family:'Courier New';font-size:inherit;font-style:inherit;font-variant:inherit;line-height:inherit;vertical-align:baseline"># nand write ${loadaddr} 0x00020000 0x00020000 </span></p><p style="margin:0px;padding:0px;border:0px;font-family:Oxygen,Arial,Tahoma,sans-serif;font-size:12px;line-height:18px;vertical-align:baseline;color:rgb(65,85,96)"><span style="margin:0px;padding:0px;border:0px;font-family:'Courier New';font-size:inherit;font-style:inherit;font-variant:inherit;line-height:inherit;vertical-align:baseline"># nand write ${loadaddr} 0x00040000 0x00020000 </span></p><p style="margin:0px;padding:0px;border:0px;font-family:Oxygen,Arial,Tahoma,sans-serif;font-size:12px;line-height:18px;vertical-align:baseline;color:rgb(65,85,96)"><span style="margin:0px;padding:0px;border:0px;font-family:'Courier New';font-size:inherit;font-style:inherit;font-variant:inherit;line-height:inherit;vertical-align:baseline"># nand write ${loadaddr} 0x00060000 0x00020000 </span></p><p style="margin:0px;padding:0px;border:0px;font-family:Oxygen,Arial,Tahoma,sans-serif;font-size:12px;line-height:18px;vertical-align:baseline;color:rgb(65,85,96)"><span style="margin:0px;padding:0px;border:0px;font-family:'Courier New';font-size:inherit;font-style:inherit;font-variant:inherit;line-height:inherit;vertical-align:baseline"># mw.l ${loadaddr} 0xFFFFFFFF 0x400000 </span></p><p style="margin:0px;padding:0px;border:0px;font-family:Oxygen,Arial,Tahoma,sans-serif;font-size:12px;line-height:18px;vertical-align:baseline;color:rgb(65,85,96)"><span style="margin:0px;padding:0px;border:0px;font-family:'Courier New';font-size:inherit;font-style:inherit;font-variant:inherit;line-height:inherit;vertical-align:baseline"># fatload mmc 0 ${loadaddr} u-boot.bin </span></p><p style="margin:0px;padding:0px;border:0px;font-family:Oxygen,Arial,Tahoma,sans-serif;font-size:12px;line-height:18px;vertical-align:baseline;color:rgb(65,85,96)"><span style="margin:0px;padding:0px;border:0px;font-family:'Courier New';font-size:inherit;font-style:inherit;font-variant:inherit;line-height:inherit;vertical-align:baseline"># nandecc sw</span></p><p style="margin:0px;padding:0px;border:0px;font-family:Oxygen,Arial,Tahoma,sans-serif;font-size:12px;line-height:18px;vertical-align:baseline;color:rgb(65,85,96)"><span style="margin:0px;padding:0px;border:0px;font-family:'Courier New';font-size:inherit;font-style:inherit;font-variant:inherit;line-height:inherit;vertical-align:baseline"># nand write.i ${loadaddr} 0x00080000 0x00080000 </span></p><p style="margin:0px;padding:0px;border:0px;font-family:Oxygen,Arial,Tahoma,sans-serif;font-size:12px;line-height:18px;vertical-align:baseline;color:rgb(65,85,96)"><span style="margin:0px;padding:0px;border:0px;font-family:'Courier New';font-size:inherit;font-style:inherit;font-variant:inherit;line-height:inherit;vertical-align:baseline"># mw.l ${loadaddr} 0xffffffff 0x400000 </span></p><p style="margin:0px;padding:0px;border:0px;font-family:Oxygen,Arial,Tahoma,sans-serif;font-size:12px;line-height:18px;vertical-align:baseline;color:rgb(65,85,96)"><span style="margin:0px;padding:0px;border:0px;font-family:'Courier New';font-size:inherit;font-style:inherit;font-variant:inherit;line-height:inherit;vertical-align:baseline"># fatload mmc 0 ${loadaddr} uImage</span></p><p style="margin:0px;padding:0px;border:0px;font-family:Oxygen,Arial,Tahoma,sans-serif;font-size:12px;line-height:18px;vertical-align:baseline;color:rgb(65,85,96)"><span style="margin:0px;padding:0px;border:0px;font-family:'Courier New';font-size:inherit;font-style:inherit;font-variant:inherit;line-height:inherit;vertical-align:baseline"># nand write.i ${loadaddr} ${kernel_nand_offset} ${kernel_nand_size} </span></p><p style="margin:0px;padding:0px;border:0px;font-family:Oxygen,Arial,Tahoma,sans-serif;font-size:12px;line-height:18px;vertical-align:baseline;color:rgb(65,85,96)"><span style="margin:0px;padding:0px;border:0px;font-family:'Courier New';font-size:inherit;font-style:inherit;font-variant:inherit;line-height:inherit;vertical-align:baseline"># mw.l ${loadaddr} 0xffffffff 0x400000<br># fatload mmc 0 ${loadaddr} rootfs.ext2.gz.u-boot</span></p><p style="margin:0px;padding:0px;border:0px;font-family:Oxygen,Arial,Tahoma,sans-serif;font-size:12px;line-height:18px;vertical-align:baseline;color:rgb(65,85,96)"><span style="margin:0px;padding:0px;border:0px;font-family:'Courier New';font-size:inherit;font-style:inherit;font-variant:inherit;line-height:inherit;vertical-align:baseline"># nand write.i ${loadaddr} ${ramdisk_nand_offset} ${ramdisk_nand_size} </span></p><p style="margin:0px;padding:0px;border:0px;font-family:Oxygen,Arial,Tahoma,sans-serif;font-size:12px;line-height:18px;vertical-align:baseline;color:rgb(65,85,96)"> </p><p style="margin:0px;padding:0px;border:0px;font-family:Oxygen,Arial,Tahoma,sans-serif;font-size:12px;line-height:18px;vertical-align:baseline;color:rgb(65,85,96)">The source files I'm using in my boot partition are the MLO, u-boot.bin, rootfs.ext2.gz.u-boot, uImage, and u-boot.img. I am able to burn all the necessary files onto the SOM, but when I complete the steps and power cycle, I get:</p><p style="margin:0px;padding:0px;border:0px;font-family:Oxygen,Arial,Tahoma,sans-serif;font-size:12px;line-height:18px;vertical-align:baseline;color:rgb(65,85,96)"> </p><p style="margin:0px;padding:0px;border:0px;font-family:Oxygen,Arial,Tahoma,sans-serif;font-size:12px;line-height:18px;vertical-align:baseline;color:rgb(65,85,96)"><span style="margin:0px;padding:0px;border:0px;font-family:'Courier New';font-size:inherit;font-style:inherit;font-variant:inherit;line-height:inherit;vertical-align:baseline">U-Boot SPL 2012.07-dirty (Sep 30 2015 - 17:31:44)<br>Board: DM37xx Torpedo<br>Error: Bad compare! failed<br>Error: Bad compare! failed<br>Error: Bad compare! failed<br></span></p><p style="margin:0px;padding:0px;border:0px;font-family:Oxygen,Arial,Tahoma,sans-serif;font-size:12px;line-height:18px;vertical-align:baseline;color:rgb(65,85,96)"><span style="margin:0px;padding:0px;border:0px;font-family:'Courier New';font-size:inherit;font-style:inherit;font-variant:inherit;line-height:inherit;vertical-align:baseline">...</span></p><p style="margin:0px;padding:0px;border:0px;font-family:Oxygen,Arial,Tahoma,sans-serif;font-size:12px;line-height:18px;vertical-align:baseline;color:rgb(65,85,96)"><span style="margin:0px;padding:0px;border:0px;font-family:'Courier New';font-size:inherit;font-style:inherit;font-variant:inherit;line-height:inherit;vertical-align:baseline">mkimage signature not found - ih_magic = ea000014<br></span></p><p style="margin:0px;padding:0px;border:0px;font-family:Oxygen,Arial,Tahoma,sans-serif;font-size:12px;line-height:18px;vertical-align:baseline;color:rgb(65,85,96)"><span style="margin:0px;padding:0px;border:0px;font-family:'Courier New';font-size:inherit;font-style:inherit;font-variant:inherit;line-height:inherit;vertical-align:baseline">...</span></p><p style="margin:0px;padding:0px;border:0px;font-family:Oxygen,Arial,Tahoma,sans-serif;font-size:12px;line-height:18px;vertical-align:baseline;color:rgb(65,85,96)"><span style="margin:0px;padding:0px;border:0px;font-family:'Courier New';font-size:inherit;font-style:inherit;font-variant:inherit;line-height:inherit;vertical-align:baseline">Error: Bad compare! failed<br>Error: Bad compare! failed<br></span></p><p style="margin:0px;padding:0px;border:0px;font-family:Oxygen,Arial,Tahoma,sans-serif;font-size:12px;line-height:18px;vertical-align:baseline;color:rgb(65,85,96)"><span style="margin:0px;padding:0px;border:0px;font-family:'Courier New';font-size:inherit;font-style:inherit;font-variant:inherit;line-height:inherit;vertical-align:baseline">... </span></p><p style="margin:0px;padding:0px;border:0px;font-family:Oxygen,Arial,Tahoma,sans-serif;font-size:12px;line-height:18px;vertical-align:baseline;color:rgb(65,85,96)"> </p><p style="margin:0px 0px 8px;padding:0px;border:0px;font-family:Oxygen,Arial,Tahoma,sans-serif;font-size:12px;line-height:18px;vertical-align:baseline;color:rgb(65,85,96)">I've done a good amount of research online and some people say that it's an issue with the nandecc setting, but my only options in U-Boot are hw (hardware) and sw (software) ecc algorithms. Just curious if anyone could identify my errors or possibly point me in the direction of good documentation?</p><p style="margin:0px 0px 8px;padding:0px;border:0px;font-family:Oxygen,Arial,Tahoma,sans-serif;font-size:12px;line-height:18px;vertical-align:baseline;color:rgb(65,85,96)"> </p><p style="margin:0px 0px 8px;padding:0px;border:0px;font-family:Oxygen,Arial,Tahoma,sans-serif;font-size:12px;line-height:18px;vertical-align:baseline;color:rgb(65,85,96)">Thanks!</p><p style="margin:0px 0px 8px;padding:0px;border:0px;font-family:Oxygen,Arial,Tahoma,sans-serif;font-size:12px;line-height:18px;vertical-align:baseline;color:rgb(65,85,96)">Alex</p></div>