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September 13-16, 2022
Dublin, Ireland + Virtual
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Tuesday, September 13 • 14:10 - 14:50
How ARM Systems are Booted: An Introduction to the ARM Boot Flow - Rouven Czerwinski, Pengutronix e.K.

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Nowadays ARM system boot flows are becoming more and more complex. Especially 64-Bit systems rely on the ARM Trusted Firmware (TF-A) and the provided system services to implement CPU power management, system suspend and other SoC specific functions. This talk will give an overview on how an ARM system starts at the reset vector, boots up the different firmware parts and finally arrives within the linux boot-up procedure. We will also touch the topic of OP-TEE and the services provided by the TF-A, i.e. PSCI and SCMI.
Speakers
avatar for Rouven Czerwinski

Rouven Czerwinski

Embedded Software Developer, Pengutronix e.K.
After working with embedded testing in 2016, Rouven worked on the security side of things by contributing to OP-TEE and shipping products with it. Nowadays he has an interest in media pipelines and the corresponding kernel drivers to provide a flawless recording and viewing exper... Read More →

How ARM systems are booted an introduction to the ARM boot flow pdf
Tuesday September 13, 2022 14:10 - 14:50 IST
Liffey B Part 1 (Level 1)
  Open Source On-Ramp, Embedded Essentials (Beginner)