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1020 B
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Description
Broadcom's Stingray(BCM958742t) is a multi-core processor with 8 Cortex-A72 cores. Trusted Firmware-A (TF-A) is used to implement secure world firmware, supporting BL2 and BL31 for Broadcom Stingray SoCs
On Poweron, Boot ROM will load bl2 image and Bl2 will initialize the hardware, then loads bl31 and bl33 into DDR and boots to bl33.
Boot Sequence
Bootrom --> TF-A BL2 --> TF-A BL31 --> BL33(u-boot)
Code Locations
- Trusted Firmware-A: link
How to build
Build Procedure
Prepare AARCH64 toolchain.
Build u-boot first, and get the binary image: u-boot.bin,
Build TF-A
Build fip:
Deploy TF-A Images
System Message: WARNING/2 (<stdin>, line 39)
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Deploy TF-A Images -----------------
The u-boot will be upstreamed soon, this doc will be updated once they are ready, and the link will be posted.