Questions tagged [u-boot]
Das U-Boot (The Universal Bootloader) is an open source, primary boot loader.
249 questions
1 vote
1 answer
55 views
U-Boot signature verification using ECDSA fails
I'm trying to use ECDSA (prime256v1) for signature verification in U-Boot (git tag "v2025.10"). I used the sample configuration from Verified Boot on the Beaglebone Black as a template. ...
- 11
2 votes
0 answers
72 views
Using Das U-Boot to boot Linux on x86_64 UEFI platform
I have some troubles booting Linux Kernel from Das U-Boot on x86_64 UEFI Platform. I tried to use default efi application defconfig target (x86-app), with addition scsi, sata and some other config ...
- 21
0 votes
0 answers
127 views
How to config uboot loglevel to get debug logs on boot
The problem is while booting up rasbberry pi with uboot as boot loader not able to decrypt encrypted rootfs partition with initramfs,to debug and analyse what happening want to enable uboot debug logs....
- 1
2 votes
1 answer
87 views
Some USB drives are not recognized in U-Boot, while others are
I'm using U-Boot 2020.10. In U-Boot, out of two USB drives, one is recognized and the other is not. Once Debian 12 is running, I have my two USB drives that are recognized and use the same driver xhci-...
- 21
0 votes
0 answers
206 views
How to secure boot raspberry pi4 with u-boot yocto image
The goal is to sign the mender yocto image and run it on secure boot enabled raspberry pi. I have raspberrypi-4 and the yocto image from mender (open source OTA platform). To give a quick try here is ...
- 1
0 votes
1 answer
102 views
Allwinner A10 tablet - Not able to go past "Starting kernel..."
I had an old tablet lying around so I created the page according to linux-sunxi (https://linux-sunxi.org/Softwinners_crane). I was trying to get Linux running on it. A different tablet was similar (as ...
0 votes
0 answers
31 views
Jetson TK1 PCIe Link Training Fails on x4 Lane Endpoint (Kernel 3.10.40, R21.5)
I’m working with a Jetson TK1 where it’s configured as a PCIe Root Complex, connected to two endpoints: An FPGA on a x1 lane A PowerPC processor on a x4 lane During boot-up, the Jetson consistently ...
0 votes
0 answers
37 views
U-Boot dub-2017.03: ext4fs_devread read outside partition 1068475736 Error loading firmware file to RAM
I'm trying to update the recovery image from sdcard to recovery partition using Uboot command below update recovery mmc 1 fat recovery.ext2 Update is successful when the image size is 479MB and fails ...
- 1
0 votes
0 answers
251 views
Setting up U-boot's fw_env.config
I have managed to install Alpine Linux on a Marvell Octeon NIC. One thing I'm missing for this to be a clean setup is managing the u-boot variables in firmware. That will also allow to query the card'...
- 266
0 votes
0 answers
70 views
U-Boot Not Booting from Flash Memory on Arty A7 100T FPGA
I'm working on booting U-Boot from the SPI flash memory of an Arty A7 100T FPGA and encountering an issue where U-Boot does not execute after power-on Issue U-Boot does not produce any output on the ...
- 101
0 votes
0 answers
156 views
How to configure a Archlinux ARM boot partition for Raspberry Pi 64-bit with uboot
I am having a Raspberry Pi 3b+ (Arch64) device. Generally I run Raspbian 64-bit by using the Rasbian Imager tool to setup my SD card. I am interested to run Archlinux 64-bit on the same. And following ...
- 141
0 votes
0 answers
186 views
Wipe out UBI volume in U-boot
The goal is to erase confidential information from the UBIFS volume. In Linux you'd use ubiupdatevol -t, but there's no such an option in the u-boot. Not sure if removing volume cleans up the contents ...
- 111
2 votes
0 answers
161 views
U-Boot tftp is much faster then linux tftp
I am using bitbake to generate my u-boot and linux images. I have two boards, one of which is running a simple TFTP server written in c++ code. U-Boot can tftp boot ~50MB in around 7 seconds. When it ...
- 247
0 votes
2 answers
263 views
U-Boot doesn't load boot script from NVME
Is this possible to boot Rpi CM4 + io-board completely from NVME ? I updated Rpi bootloader and it loads kernel well without U-boot. When I switch to U-boot, it doesn't load boot.scr located in the ...
- 3
0 votes
1 answer
242 views
U-Boot environment on virtio FAT partition
I'm booting U-Boot in QEMU via Yocto's runqemu command and I'm trying to make the U-Boot to load an environment from FAT partition. Yocto is built from master (312488228ad408fb0f29b2aa272e72cf87de8e93)...
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