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DRA821U-Q1: DRA821: TEE and Secure Boot Implementation Guidance

Jack
Guru 10006 points

Part Number: DRA821U-Q1
Other Parts Discussed in Thread: DRA821

Dear TI E2E Support Team,

I am currently working on a project using the **Texas Instruments DRA821** processor and I need to implement robust security features, specifically the **Trusted Execution Environment (TEE)** and **Secure Boot** functionality.

I am looking for guidance on the required development materials and tools to properly implement and configure these features.

Could you please provide information on the following:

1.  **Developer Documentation:**
    * Are there specific **Application Notes**, **Reference Manuals (TRM)**, or **Software Development Kits (SDKs)** related to the implementation and configuration of the TEE and Secure Boot features on the DRA821?
    * Where can I find detailed guides on the **Key Provisioning** and **Image Signing** processes for Secure Boot?

2.  **Required Tools:**
    * Which **Host Tools** or **Utilities** are recommended or necessary for generating signed boot images, managing security keys, and configuring the DRA821's secure fuses? (e.g., specific signing utilities, fuse tools).

3.  **Software/Firmware Support:**
    * Which **Security Monitor** (e.g., OP-TEE, TrustZone) is supported/recommended for the DRA821, and which version of the SDK/Bootloader (U-Boot/SPL) provides the necessary security hooks?

Any links to relevant resources, technical documents, or examples would be highly appreciated.

Thank you for your time and assistance.

Best regards,
Jack Cha