U-Boot in the Fast Lane: Developing a Safety Test Framework for Automotive Applicati...
summary
U-Boot gains a concrete safety capability: a BIST driver upstreamed that lets SPL on a non‑safe A72 trigger built‑in self tests on R5 safety cores, write results to shared nonvolatile storage, and let MCUs read the verdict before starting — a flow that supports a system‑level CAT 3 certification claim. The talk argues misc/ is not scalable and proposes a Safety Test uclass framework, cites ECC enablement timing as an example gap.
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chapters (13)
- 0:00Introduction
- 1:28Customer request origin
- 2:52Linux in automotive safety
- 7:49Open-source bootloaders certification
- 9:12U-Boot advantages and limits
- 13:07Safety certifying U-Boot
- 14:52Mixed criticality systems
- 17:40U-Boot for mixed criticality
- 19:49Built-in self-test in U-Boot
- 21:15Customer BIST use case
- 23:43Future of safety IPs in U-Boot
- 24:48Conclusion and call to action
- 25:31Question and answer session
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