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SREC Loader with U-Boot

This is one of the easiest solutions to implement full multiboot application for any Xilinx 7 Series or Ultrascale FPGA.

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This process involves least amount of custom coding, the only custom code is small function that talks to HWICAP, and the "check" of update mode in the SREC Loader. All functions related to SPI Flash erasing and writing are done with u-boot.

References

List of references source for additional information

1. UG470 7-Series FPGAs Configuration
2. UG908 Vivado Design Suite User Guide: Programming and Debugging
3. PG134 AXI HWICAP v3.0
4. PG153 AXI Quad SPI v3.2
5. XAPP1247 MultiBoot with 7 Series FPGAs and SPI
6. XAP586 Using SPI with 7 Series FPGAs