CHAR_RAW_CLEAR
writel(CHAR_RAW_CLEAR, lcd->virtbase + CHAR_RAW);
writel(CHAR_RAW_CLEAR, lcd->virtbase + CHAR_RAW);
writel(CHAR_RAW_CLEAR, lcd->virtbase + CHAR_RAW);
writel(CHAR_RAW_CLEAR, lcd->virtbase + CHAR_RAW);