Coreboot Begins Enabling Support For AMD Morgana & Glinda SoCs
A number of new header files were merged to mainline Coreboot in the process of bringing up the firmware support package for the AMD "Morgana SoC" - a codename we previously haven't heard. But this new AMD Morgana name isn't too surprising since we recently have seen AMD beginning to use new unique codenames targeting their Coreboot enablement. Most recently, the AMD "Sabrina" SoC codename was used for the APUs now known as the budget Mendocino family.
What Morgana maps to for the SoCs/APUs with their common codenames, from the limited header files published so far it isn't immediately clear. But given already having the Sabrina/Mendocino enablement and this being another Coreboot push for AMD's Chromebook play, it's possible Morgana may be for the Zen 4 "Phoenix" SoCs or Barcelo's successor.
From the header files there are indications that indeed this Morgana enablement is linked to Chrome OS / Chromebook in mind. Chromebooks has been the main AMD driving force so far behind their Coreboot open-source firmware work and that of their partners.
The initial Morgana SoC code that was merged can be found on GitHub. Still pending is bringing up Morgana's reference board that is using the "Birman" codename. There is also the Morgana SoC enablement code being reviewed currently.
There are also patches started for the AMD Glinda SoC still undergoing review but again details around that are light. But long story short, AMD Glinda and Morgana are the SoC codenames for Coreboot with more AMD-powered Chromebooks on the way based on this latest public open-source activity.
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