Legacy Controller to Generic Quad-SPI Controller

Zynq UltraScale+ Device Technical Reference Manual (UG1085)

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2.4 English

1.Wait until all pending transfers from the legacy controller are completed.

2.Disable the legacy linear controller. Set LQSPI_En [SPI_EN] = 0.

3.Configure the generic Quad-SPI controller.

4.Select the generic controller. Set LQSPI_CFG [LQ_MODE] = 0.

5.Enable the generic controller. Set GQSPI_En [GQSPI_EN] =1.

6.Use the generic controller.