Raspberry Pi Stack Exchange
Raspberry Pi Stack Exchange

Questions tagged [u-boot]

U-Boot stands for Universal Boot. It's an open source powerful bootloader that can be used in addition to a standard bootloader on RaspberryPi. This is for issues with booting up the Pi while using U-boot.

44 questions
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Self healing SD Card partitions

Many sd cards are rather fragile. I've had a pi for about 2 years now and the main failures were due to the sd card getting corrupted for a reason or another. I'm wondering if there is some development done to "strengthen" the sd card on boot. I…
Eric
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1 answer

Can I load u-boot without an sdcard?

I'm trying to build a fully "diskless" raspi3 environment, by having the pi load u-boot from the network (similar to the usual pxelinux setup for x86) I've gotten the pi to get an ip address via dhcp and connect to my tftp server to fetch…
GnP
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Raspberry Pi 2 support PXE booting or network booting without an SD card

I would like to try to boot the Raspberry Pi 2 without the need of an SD card, anyone know how I may go about do this, if it is even possible?
whyzar
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1 answer

How do I setup a Raspberry Pi 2 Model B to do a network install via TFTP?

I have a TFTP server, and I want to install any new Raspberry Pis on my network to use the TFTP server to install the OS. How do I got about doing this, I checked the Documentation on the official website and I can't find the documentation. Also how…
user3346931
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4 answers

Raspberry Pi 3 Ubuntu 16.04 Server upgrade error

So last week I bought the Raspberry Pi 3 model B with the complete Canakit. I installed Ubuntu 16.04 server standard image on the micro sd card with my Windows computer. I used SF Formatter to format my micro sd card with the Format Size…
François Noël
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3 answers

Running U-boot on a Pi Zero W

I'm trying to run u-boot on a Pi Zero W, but after powering up, the Pi shows only the rainbow screen. I used these instruction, but with a different config file, configs/rpi_defconfig. I also tried the different methods, but had the same result, the…
dessel
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3 answers

RPi3 + buildroot + U-boot

What I want to do: I am working on a project where we want to update our RPi on boot. We are working with buildroot successfully for almost one year. Now I am trying to get it work with U-boot. What versions I am working with: RPi 3 buildroot…
XonqNopp
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2 answers

How can I disable the serial console on distributions that use U-Boot?

I'm trying to use a Raspberry Pi with a UART peripheral and a non-Raspbian Linux distribution. It seems like most of these distributions use U-Boot. I'm running into two problems: U-Boot outputs on the serial console by default, which confuses the…
squircle
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2 answers

u-boot for Raspberry Pi 3

I'm trying to get u-boot working on Raspberry Pi 3 but so far no success. Every time I plug in my SD card to the Pi there isn't any output to the console, only the green LED blinks several times. Currently I'm trying to build u-boot this way: git…
Andy
3
votes
2 answers

Why does Raspberry PI use GPU for loading bootloaders and configuration

There is a great explanation of the boot process - What is the boot sequence? But I can't understand why GPU is responsible for doing all that work. Could someone explain this decision? I can't find any explanation of that. I would be grateful for…
solderingiron
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1 answer

Is network boot possible on Raspberry Pi?

I have several RPI and want them to have a common OS shared thanks to a hotpot generated from a central computer, hence my question: Is network boot possible on Rasperry PI?
j1088099.mvrht.com.
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Booting with Grub on U-Boot

I have some specific needs for a bootloader for the Raspberry Pi. I am using a Model 2 B. So the short version is I will have devices scattered throughout the country for various purposes, and these devices need to be high availability. I also need…
David Smith
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How to boot with customized image without the text to Console Autologin

I want to customize the Raspbian OS in such a way that when boots no text is displayed on the screen but a custom image instead. What I have is web based application and I start it with chromium in kiosk mode. The raspberry boot to the console and…
Angel
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Get SD card serial / oemid from U-boot on RaspberryPi3

I'm using U-boot on raspberry pi 3 and I want to obtain SD card oemid or serial number. "Normally" it can be done by accessing /sys/block/mmcblk0/device/ or by running udevadm info -a -n /dev/sdX on linux site, but I wonder: Is that possible via…
lewiatan
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How to U-Boot for Arch linux over NAS?

I want to use u-boot my Arch linux including the kernel from the NAS via NFS (or TFTP if it requires). I have installed Arch before and I understand kernel.img, I have read this link about U-Boot basic setups. But I have no idea what is zImage and…
Vicary
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