The SOC still has firmware baked in as per usual.
replyAnd the firmware for Bluetooth/Wifi is loaded in by having the initramfs read it from the NOR flash, mount it in /lib/firmware, then it is business as usual like a desktop Linux distribution.
It's not something special. It's just a hackjob. They shuffle the files around and made it much harder to update.
https://source.puri.sm/Librem5/librem5-fw-jail/-/blob/pureos...
https://puri.sm/posts/shipping-new-sparklan-wifi-cards-with-...
You keep repeating this everywhere. Consider reading what a Librem 5 developer says instead, https://news.ycombinator.com/item?id=47943487
replyWhy do you copy paste the same thing over and over a bunch of times? Linking to an irrelevant post doesn't change how it works.
replyRead the code posted above.