CE_CTRL_REG
addr_mode = readl(aspi->regs + CE_CTRL_REG);
writel(addr_mode, aspi->regs + CE_CTRL_REG);
writel(addr_mode_backup, aspi->regs + CE_CTRL_REG);
u32 addr_mode = readl(aspi->regs + CE_CTRL_REG);
writel(addr_mode, aspi->regs + CE_CTRL_REG);