WebApr 11, 2024 · 命令boot执行 bootcmd。 bootcmd=run distro_bootcmd distro_bootcmd=setenv nvme_need_init; for target in ${boot_targets}; do run bootcmd_${target}; done boot_targets=usb0 mmc1 mmc0 nvme0 pxe dhcp sf0 依次调用bootcmd_usb0 bootcmd_mmc1 bootcmd_mmc0 bootcmd_nvme0等。 Web可以看到和在PC上挂载以后看到的内容一样,我选择加载mmc 1:2 /boot目录下的kernal 和dtb来启动,bootcmd设置如下: setenv bootcmd 'mmc dev 1;ext4load mmc 1:2 10800000 /boot/zImage;ext4load mmc 1:2 16800000 /boot/devicetree-zImage-imx6dl-riotboard.dtb;bootz 10800000 - 16800000' saveenv boot 这样kernal可以启动:
ZynqMP Not able to boot from SD card when eMMC is …
WebMar 12, 2024 · I am trying to compile u-boot for my BeagleBone Black (am335x) and would like to tweak what the "bootcmd" command does. I see that in my … WebApr 3, 2024 · Does the USB thumb drive need to be in a specific USB socket? Is run usb_boot or run distro_bootcmd the correct u-boot command? What I Tried: Create USB boot device ( 16GB ) using Qt for Device Creation, Tools > Flash Boot to Qt Device. Ubuntu sees this as two drives; a boot and root partition. Remove SD card, then install USB … eva simon photography
cannot boot SD card : "unable to select a mode" - Pine64
WebMay 17, 2024 · Test boot options by running the bootcmd. run bootcmd Repeat until the variables are set correctly and the bootcmd works. If U-Boot is not interrupted after the delay established in bootdelay, the automatic boot process takes place. Automatic booting consists of running what is specified in the bootcmd environment variable. Some system … WebDec 12, 2024 · Boot into single user mode Single user mode is mostly used to reset forgotten passwords, but the command below might be usefull for debug purposes as well (omit init). U-Boot > setenv bootargs "$ {bootargs} reboot=cold,hard emergency init=/bin/sh" For embedded devices, the root partition is frequently mounted read only. $ mount -t … WebApr 11, 2024 · 命令boot执行 bootcmd。 bootcmd=run distro_bootcmd distro_bootcmd=setenv nvme_need_init; for target in ${boot_targets}; do run … eva singleton of idaho falls