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11 votes

Raspberry Pi 2 support PXE booting or network booting without an SD card

This is from the RaspberryPi Website: Yesterday, we introduced the first of two new boot modes which have now been added to the Raspberry Pi 3. Today, we introduce an even more exciting addition: ...
Ben's user avatar
  • 211
5 votes

Raspberry Pi 2 support PXE booting or network booting without an SD card

There's some suggestion that while you still have to use an SD card to boot, you may be able to do it with a single file (the latest bootcode.bin). The advantage of this is that the file/filesystem is ...
Nevyn's user avatar
  • 51
5 votes
Accepted

Is network boot possible on Raspberry Pi?

Yes it is possible, the offical Raspberry Pi site wrote about it. I don't want to write a new Tutorial about it because the already did a woderful job at it. Link to raspberry.org
Paul's user avatar
  • 86
4 votes
Accepted

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

Here is the video where it is explained step by step how to prevent U-boot console from interrupting autoboot and sending debug messages on UART. I know links only answers are frowned upon, so here' s ...
Dmitry Maslov's user avatar
3 votes
Accepted

RPi3 + buildroot + U-boot

I had similar issues with Buildroot 2017.5: The kernel ran fine without u-boot, but when booted via u-boot it was hanging after "Starting kernel...". It turned out that the predefined address for the ...
Robert's user avatar
  • 46
2 votes

Raspberry Pi 3 Ubuntu 16.04 Server upgrade error

I had the same problem. In my case, the following instructions fixed the problem: install, boot, sudo apt upgrade, reboot u-boot error plug microSD to PC edit 'device_tree_address' on config.txt ...
pin_ptr's user avatar
  • 80
2 votes
Accepted

How to boot with customized image without the text to Console Autologin

I resolved the problem in half. In order to display an image on the framebuffer console when raspberry pi boots you need to compile the kernel with your image. The default image is located at: ~/...
Angel's user avatar
  • 41
2 votes

u-boot for Raspberry Pi 3

Make sure you have the below entries in the config.txt for arm64 support : arm_64bit=1 device_tree_address=0x100 device_tree_end=0x8000 Optionally, add 'enable_uart=1' if you need serial console ...
ReddyVeeru's user avatar
1 vote

Raspberry Pi CM4 with buildroot not loading Wi-Fi wlan0 interface

The trick with this is that one error message is meant to exist, and one isn't. Comparing the above dmesg to the dmesg of a stock os pi, we see that Direct firmware load for brcm/brcmfmac43455-sdio....
benjamin deworsop's user avatar
1 vote
Accepted

How to save and compare U-Boot environment and fw_env.config

saveenv command saves the environment to the location defined by u-boot configuration options. If you're saving it to a file (most likely scenario on the Pi), check the following options: ...
Dmitry Grigoryev's user avatar
1 vote
Accepted

Network boot Raspberry Pi 3 using a USB to ethernet adapter

As the Raspberry Pi documentation mentioned: Network booting works only for the wired adapter built into the above models of Raspberry Pi. Booting over wireless LAN is not supported, nor is ...
Mohi Rostami's user avatar
  • 4,333
1 vote
Accepted

Speeding up boot process : RBP 3B+ and UBoot

With the Raspberry Pi 3B+ the foundation has extended the boot process. You can select different boot modes through pull ups on specific GPIO pins. You will also find hints to speed up the boot ...
Ingo's user avatar
  • 42.2k
1 vote

Running U-boot on a Pi Zero W

No, there are no full schematics for RPi A+ or RPi Zero W and there won't be according to the statement of Ben Nuttall (foundation employee): Raspberry Pi has never been open hardware. All our ...
lategoodbye's user avatar
1 vote

Can I load u-boot without an sdcard?

This is definitely possible. By default u-boot performs run distro_bootcmd on boot. This is defined at compile-time by the CONFIG_BOOTCOMMAND variable. I can simply set my own CONFIG_BOOTCOMMAND ...
GnP's user avatar
  • 161
1 vote

RPi3 + buildroot + U-boot

In my case, the FDT file provided in the firmware package was incorrect and caused the kernel to hang. When booting, the firmware passes an internal version of the FDT to u-boot, and this one worked. ...
Juho Östman's user avatar
1 vote
Accepted

Problem in booting an u-boot image for raspberry pi 2 on QEMU

@pradeepmcp i was facing same issue , but now it got fixed https://plus.google.com/u/0/+StephenWarren/posts/G1sJ1RD4qPr?cfem=1 this helped me .. there is an issue with qemu and u-boot for rpi2 ...
RahulAN's user avatar
  • 149
1 vote

U-Boot for raspberry pi Install cross compiler and export environment variables:

You are using incorrect ARM compiler here. IIUC, you are trying to build aarch64 u-boot with arm-linux-gnueabi-gcc toolchain, which is wrong. AArch64 u-boot require aarch64-linux-gnu-gcc to build.
user66523's user avatar
1 vote

Why does Raspberry PI use GPU for loading bootloaders and configuration

The VideoCore series is quite old. At least older than 2004. ARM cores used to be a lot weaker in the past, especially for video decoding. The VideoCore was used in millions of devices, a lot of ...
flakeshake's user avatar
  • 6,213
1 vote

Why does Raspberry PI use GPU for loading bootloaders and configuration

Not sure if this helps, but from what I've read about the design of the Pi and the use of Broadcom's SoC, the CPU and GPU are on the same chip and share memory, and on early models there was only pre-...
Ricardo's user avatar
  • 1,048

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