Notes (ARM) QQ2440 Development Board changed to GT2440 (Linux) (Development Board)

QQ2440 Change GT2440
1 Swap NAND Flash
Solder the QQ2440 NAND Flash k9f1208u0b (64M) and replace it with k9f2g08u0a or k9f2g08u0b (256M)
2. Remove the QQ2440 on the right side of the board on the middle of the resistance NR5, do not remove the NAND Flash can not start
This removes the resistor configuration Nand Flash Memory configuration Table
corresponding pin NCON0, GPG13, GPG14, GPG15
High, high, high, low

Advance 2Kbytes 5-addr 8-bit bus with
3, download a qq2440.jflash jlink download configuration file on the Internet, download GT2440 u-boot.bin
4. For LCD display offset (4.3 inch), according to their own circumstances to modify
Modify U-boot Source code
/opt/gtstudio/gt2440/u-boot-1.1.6/include/configs/gtstudio.h

#elif (Lcd_tft = = tx11d) #define    CONFIG_LCD_VBPD     3#define    CONFIG_LCD_VFPD     5#define    CONFIG_LCD_VSPW     5  #define    config_lcd_hbpd     #define    CONFIG_LCD_HFPD     5#define    CONFIG_LCD_HSPW     5#define    config_lcd_clkval     4

Linux Source Modification

/opt/gtstudio/gt2440/linux-2.6.30.4/arch/arm/mach-s3c2440/mach-gt2440.c

#elifDefined (config_fb_s3c24x0_tx480272). Width=480,. Height=272,. Pixclock=40000,/*hclk MHz, divisor 1*/. Setclkval=0x4,. Xres=480,. Yres=272,. BPP= -,. Left_margin=5,/*For HFPD*/. Right_margin= +,/*For hbpd*/. Hsync_len=5,/*For HSPW*/. Upper_margin=5,/*For VFPD*/. Lower_margin=4,/*For vbpd*/. Vsync_len=5,/*For VSPW*/