*The Bluetooth modem is a Broadcom chip (BCM43455), and it needs to be loaded wi... | Hacker News

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		rkagerer on Oct 6, 2021 \| parent \| context \| favorite \| on: Writing a “bare metal” operating system for Raspbe... The Bluetooth modem is a Broadcom chip (BCM43455), and it needs to be loaded with proprietary software before it's useful to us. Are there any efforts out there to create open-source firmware for this chip?

isometimes on Oct 6, 2021 [–]

I looked for a long time, but to no avail. Broadcom are notoriously tight-lipped when it comes to their intellectual property.

Some have attempted to reverse-engineer... This was a good read: https://blog.quarkslab.com/reverse-engineering-broadcom-wire...

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