FADDR
dev_dbg(ispi->dev, "FADDR=0x%08x\n", readl(ispi->base + FADDR));
writel(addr, ispi->base + FADDR);
writel(addr, ispi->base + FADDR);
writel(addr, ispi->base + FADDR);
writel(addr, ispi->base + FADDR);
writel(addr, ispi->base + FADDR);