MRVL_XFER_FUNC_CTRL
u32 xfer_control = readl(cdns_xspi->xferbase + MRVL_XFER_FUNC_CTRL);
writel(xfer_control, cdns_xspi->xferbase + MRVL_XFER_FUNC_CTRL);
u32 xfer_control = readl(cdns_xspi->xferbase + MRVL_XFER_FUNC_CTRL);
writel(xfer_control, cdns_xspi->xferbase + MRVL_XFER_FUNC_CTRL);