XSPI_FR
writel(0xFFFFFFFF, xspi->iobase + XSPI_FR);
writel(0xFFFFFFFF, xspi->iobase + XSPI_FR);
reg = readl(xspi->iobase + XSPI_FR);
writel(XSPI_FR_TFF, xspi->iobase + XSPI_FR);
reg = readl(base + XSPI_FR);
writel(reg, base + XSPI_FR);
reg = readl(base + XSPI_FR);
ret = readl_poll_timeout(base + XSPI_FR, reg,
reg = readl(base + XSPI_FR);
writel(reg, base + XSPI_FR);