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feat: A523 SPI support#232

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arminfelder wants to merge 1 commit intolinux-sunxi:masterfrom
arminfelder:feat/a523-spi
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feat: A523 SPI support#232
arminfelder wants to merge 1 commit intolinux-sunxi:masterfrom
arminfelder:feat/a523-spi

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@arminfelder
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@arminfelder arminfelder commented Apr 5, 2026

adds SPI flash support for A523/A527/T527 SoCs

tested/developed against OrangePi 4A, using u-boot mainline and BL31 from github.com/jernejsk/arm-trusted-firmware

The information was extracted from the A523 datasheet as well as the Tina SDK(using an LLM), and tested against the real chip(T527)

relates to #217

@RoganDawes
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Can confirm that it works. Was able to write u-boot to the SPI of my Radxa A5E. Thank you!

@apritzel
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Hi, thanks for pushing this. But while this looks like a pragmatic solution to the problem, it's becoming messier with every SoC, piling up exceptions and special cases.
Please have a look at #224 for my proposed cleanup. This would mean adding A523 support would be much easier. Can you change your code to work on top of that?

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3 participants