To boot from the dual Quad SPI nonvolatile configuration memory:
1. Store a valid Zynq UltraScale+ RFSoC boot image in the Quad SPI flash devices connected to the MIO Quad SPI interface. See the Z CU111 Restoring Flash Tutorial XTP515 [Ref 13] for information on programming the QSPI.
2. Set the boot mode pins SW6 [3:0] PS_MODE[3:0] as indicated in Table: Switch SW6 Configuration Option Settings for Quad SPI32.
3. Either power-cycle or press the power-on reset (POR) pushbutton. SW6 is callout 46 in This Figure .