Questions tagged [u-boot]
Das U-Boot (The Universal Bootloader) is an open source, primary boot loader.
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How to get root-Access and/or update/extract firmware via UART
I would like to try to equip my non-specific China-Wall-Brick-WiFi-Router with root access and update it if necessary.
Here is a sample image of the device:
The problem is: The device has no official ...
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Getting an U-boot FIT signed image
I'm trying to generate an U-Boot Signed FIT image containing kernel + dtb.
After generating the kernel, the dtb and the keys, I
mkimage -f fitImage_sign.its -K devicetree.dtb -k <path to the folder ...
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Can I solve the problem that occurs when booting the linux on versatilepb board using qemu?
Im studying about the U-boot. I used QEMU emulation to boot Linux on a board called versatilepb.
The latest version of U-Boot no longer supports versatilepb, so I used U-Boot version 2010.03. When ...
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How to use initramfs on raspberrypi cm4
base info
board：rpi cm4
img：core-image-base-xx.wic.bz, build by yocto
add u-boot(version:2022.01) support;
add Initial RAM filesystem and RAM disk (initramfs/initrd) support
initramfs:...
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Nanopi neo (Allwinner H3) does not boot from MMC any more
I have a device called Nanopi Neo Core with Allwinner H3 processor on board, 512MB of RAM and eMMC. I broke it and unable to find what to do to restore it.
Originally it came with the Armbian ...
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How can I patch u-boot in yocto for the beaglebone black?
I'm trying to make some modifications to u-boot for the beaglebone black, compiling in yocto nanbield. The two changes I'm trying to make are:
Turn off the delay for the bootloader
Enable booting ...
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U-boot with multiple partitions
I have orangepi 3 lts with u-boot boot loader . I want to create a second swap partition and a third data partition so the first is mounted ro . I created those partitions with gparted . U-boot has a ...
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Trying to make a bootable usb for Dell Wyse 3020 ARM device, but running into problems
I am using a Fedora VM (I have Windows on my PC) to try and create a bootable USB (16GB). I am following this guide.
However, I get "No U-Boot files found for olpc_xo175" when I perform this ...
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Display bmp image using u-boot on virtual QEMU
I have an issue of displaying a bmp image using u-boot on virtual QEMU. I've built QEMU using buildroot and added the following options in u-boot.fragement file to support splash screen and virtio gpu:...
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Yocto. How to keep u-boot splash screen and then how to keep kernel splash screen on
I am porting Yocto into my board. I wrote u-boot & kernel graphics drivers for my display. Everything works fine. The only problem I have is:
u-boot splash screen is displayed for a while when ...
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procedure for updating linux kernel with a test kernel I built
Background
I have Debian linux on a Starfive VisionFive 2 SBC that I am experimenting with. The VisionFive 2 is a RISC-V SBC and Starfive provides a Github repository with all the necessary materials ...
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Is there some u-boot specific device tree?
I was reading this thread and someone mentioned a "u-boot device tree", which seems to be different than a "kernel device tree". They said:
I would make same change to uboot ...
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I'm trying to create a new nv_uboot-snow-usb.kpart file changing some parameters on the file snow.h file,but the modifications I made don't stick
My ARM Chromebook SNOW has the mmc slot broken,but I've realized that I can boot Linux using the USB port.To enable the booting of Linux via USB I have modified this file :
https://github.com/...
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mkimage: Can't read mydir: No such device
I want to convert the contents of a directory into a file with the u-boot format. To achieve this, I have used the mkimage tool, but I am encountering the following error (The directory 'mydir' exists)...
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Failed to run `usb start` in u-boot with error of !CSWSIGNATURE
I am working on an embedded Linux system with u-boot (2013-07) as bootloader in an SOC platform, now I tried to support USB disk in u-boot, so I did some porting and HW configuration.
I think the u-...
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