AMD PSP blob analysis on Gigabyte MZ33-AR1 Turin system
Published at September 12, 2025 · Michał Żygowski · 14 min read
The blog post describes the analysis of PSP blobs on Gigabyte. MZ33-AR1. The analysis covers various aspects of stitching AMD firmware BIOS images and how a support for stitching Turin blobs was developed in coreboot....
Categories: firmware
Mapping and initializing USB and SATA ports on Gigabyte MZ33-AR1
Published at September 12, 2025 · Michał Żygowski · 26 min read
As the Gigabyte MZ33-AR1 porting effort progresses, coreboot has to add definitions for I/O bus initialization, such as SATA, USB and PCI Express. If you are curious how it is done on an AMD Turin-based system, read till the end....
Categories: firmware
Published at August 27, 2025 · Kamil Aronowski · 12 min read
The `init_on_free` Linux option ensures rigorous security by instantly zeroing out memory upon deallocation. In this follow-up, we build on our prior ram-wipe experiments to rigorously evaluate if `init_on_free` can serve as a robust safeguard, perhaps supplanting existing, less comprehensive memory wiping solutions....
Porting Gigabyte MZ33-AR1 server board with AMD Turin CPU to coreboot
Published at August 7, 2025 · Michał Żygowski · 20 min read
The blog post describes effort made to port a modern AMD server board to coreboot. The target is Gigabyte MZ33-AR1 supporting newest AMD EPYC server processor family Turin and OpenSIL....
Categories: firmware
UEFI Update Capsules for Open Source firmware
Published at December 10, 2024 · Sergii Dmytruk · 12 min read
MSI Z690-A and Z790-P are the first Dasharo firmware releases to support UEFI capsule updates. The additional way to update your firmware aims at making the process more reliable and convenient....
Categories: firmware
Getting started with Hardkernel ODROID H4+
Published at August 1, 2024 · Michał Żygowski · 15 min read
First steps with new hardware and preparations for coreboot firmware porting. A quick cookbook where to start and what to do when you get your hands on a new platform and not get your hands or board burnt....
Categories: firmware
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