#AMD

Open Source Firmware on AMD Milan server processors

Published at September 9, 2021 · Michał Żygowski ·  6 min read

There were times where AMD was actively supporting open source firmware ecosystem by providing silicon initialization code. With a few years break AMD is now trying to support open source firmware again with the mobile platform like Chromebooks. However, the recent achievements have made everybody think that open source firmware is also possible on servers....

Categories: firmware




PC Engines APU2 platform validation with RTE

Published at September 13, 2018 · Artur Raglis ·  6 min read

Introduction Remote work is trending nowadays. The best example is the IT industry - purely software tasks with handheld devices allow you to work practically from anywhere. This approach saves a big amount of time and makes a job easier. Unfortunately, as an embedded / firmware developer, there are often situations when interaction with hardware such as a power cycle is required. This leads to a barrier for successful remote work....

Categories: firmware


UEFI/EDK II CorebootPayloadPkg on PC Engines apu2

Published at November 3, 2017 · Piotr Król ·  9 min read

Recently we were reached by person interested in running CoreOS on apu2. CoreOS is a very interesting system from security point of view. It was created to support containers and scalability out of the box. Unfortunately it requires firmware supporting GPT. At that point I was not sure if I can utilize GRUB GPT support on apu2, but this led to other questions: Is it possible to boot UEFI-aware OS on PC Engines apux boards?...

Categories: firmware


PC Engines apu2 python Robot Framework validation automation

Published at November 2, 2017 · Piotr Król ·  8 min read

Recently we attended ECC2017 conference. One of topics that we considered was a system for development and validation automation. Unfortunately this talk was not accepted, but we present some research below and plan to provide more soon. As maintainers of PC Engines platforms in coreboot we debug and fix quite a lot of bugs, but to take full responsibility for our code everything should be validated each time we do release....

Categories: firmware


Installing OpenWRT on APU3 platform

Published at May 12, 2017 · Kamil Wcisło ·  13 min read

This guide should be considered as a simple walk-through for using APU3 platform in some generic use-cases. I’m trying to explain how to work with the device and use it in a generic manner. There is a part about the coreboot firmware, which could be used as a reference of how to start customizing it for own purposes. Configuring the hardware At first, let’s figure out some basic requirements for our new device:...

Categories: firmware os-dev


PC Engines APU2 netboot Debian installation

Published at March 26, 2016 · Piotr Król ·  3 min read

In previous post I described how to setup PXE server and boot Debian installer using it. I mentioned that provided setup is limited and some extensive configuration is needed to make it useful for real world example. Since that time I learned that there is chain command in iPXE, which give ability to use arbitrary TFTP server as boot file source. Using RPi PXE server For example by changing my test network topology from previous post to something like that:...

Categories: os-dev


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