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AN233658 - Support for SEMPER quad SPI flash in U-Boot from Xilinx

This application note explains how to extend the SPI flash subsystem command (sf) of the U-Boot universal bootloader and how each die can be set. The patch file has several dependencies on update status and source code revision. In many cases, simply applying the patch may cause errors and failures. Therefore, you may need to migrate the source code on the patch file manually. This application note also tries to explain how to do that.

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Aug 26, 2021