LCD_SPU_SPI_CTRL
tmp = readl_relaxed(reg_base + LCD_SPU_SPI_CTRL);
writel(tmp, reg_base + LCD_SPU_SPI_CTRL);
tmp = readl_relaxed(reg_base + LCD_SPU_SPI_CTRL);
writel_relaxed(tmp, reg_base + LCD_SPU_SPI_CTRL);
writel(tmp, reg_base + LCD_SPU_SPI_CTRL);