Description

Hello all,

This PR adds support for the Texas Instruments SK-AM64B. Features, schematics, and purchase links can be found on the board page[0].

We work to ensure our silicon/boards have "Upstream First" Linux support, so this board makes use of stock upstream U-Boot and Linux, no patching needed to utilize the full set of feature. The only odd part here is our first-stage bootloader, which is built from fetched sources separately (see compile_k3_bootgen() in k3.conf). If a pre-built binary for this is preferred just let me know.

Thanks!

[0] https://www.ti.com/tool/SK-AM64B

How Has This Been Tested?

• [x] Build/Boot tested Bookworm CLI/Minimal on Current(v6.1) and Edge(v6.3) kernels
• [x] Build/Boot tested Jammy CLI/Minimal on Current(v6.1) and Edge(v6.3) kernels
• [x] Dual Gbit Ethernet works
• [x] Dual-band Wi-Fi works
• [x] USB 3.1 Gen 1 works
• [x] OSPI and SD card works

Checklist:

• [x] My code follows the style guidelines of this project
• [x] I have performed a self-review of my own code
• [x] I have commented my code, particularly in hard-to-understand areas
• [ ] I have made corresponding changes to the documentation
• [x] My changes generate no new warnings
• [x] Any dependent changes have been merged and published in downstream modules

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