static void identify_lcd(void)
{
    SCU_IOMUXB_CON &= ~(1<<2);

    SCU_GPIOUPCON &= ~(1<<0x17);
    GPIO_PCCON |= (1<<7);
    GPIO_PCDR &= ~(1<<7);
    udelay(1);
    GPIO_PCDR |= (1<<7);
    udelay(4);

    SCU_GPIOUPCON &= ~(1<<0x14);
    GPIO_PCCON &= ~(1<<4);
    GPIO_PCDR |= (1<<4);

    if (GPIO_PCDR & (1<<4))
    {
        lcd_type = LCD_V1;
    }
    else
    {
        lcd_type = LCD_v2;
    }
}