On 2023/01/04 22:50, Sven Peter wrote: > Do you have any more details on this registers? For the 8103 DART > we called it _CONFIG but I assume for the t8110 DART it can > actually lock different parts of the HW instead of just a global lock? This is based on R's reverse engineering here: https://github.com/AsahiLinux/m1n1/blob/main/proxyclient/m1n1/hw/dart8110.py#L87 I don't think they ever fully nailed down exactly what the lock bit behavior is, though. - Hector