lcd flash sdram

lcd
make menuconfig:
Device Drivers  ---> Graphics support  ---><*> Support for frame buffer devices  ---><*>   S3C2410 LCD framebuffer support
device node: /dev/fb0
file: drivers/video/s3c2410fb.c

Another configuration item in the same page is: LCD select (7 inch 800x480 TFT LCD)  .then 7 inch lcd will work.
Do not worry about touchscreen ,we just do calibrating when system on and it will work.

( ) 3.5 inch 240X320 Toppoly LCD------ CONFIG_FB_S3C2410_T240320
( ) 3.5 inch 240X320 NEC LCD -----------CONFIG_FB_S3C2410_N240320:
( ) 8 inch 640X480 L80 LCD--------------CONFIG_FB_S3C2410_TFT640480:
(X) 7 inch 800x480 TFT LCD-------------CONFIG_FB_S3C2410_TFT800480:
( ) VGA 1024x768 ----------------------ONFIG_FB_S3C2410_VGA1024768:
search "if defined" and highlight if using firefox

//mach-mini2440.c
/* LCD driver info */

#if defined(CONFIG_FB_S3C2410_N240320)

#define LCD_WIDTH 240
#define LCD_HEIGHT 320
#define LCD_PIXCLOCK 100000

#define LCD_RIGHT_MARGIN 36
#define LCD_LEFT_MARGIN 19
#define LCD_HSYNC_LEN 5

#define LCD_UPPER_MARGIN 1
#define LCD_LOWER_MARGIN 5
#define LCD_VSYNC_LEN 1

#elif defined(CONFIG_FB_S3C2410_N480272)

#define LCD_WIDTH 480
#define LCD_HEIGHT 272
#define LCD_PIXCLOCK 100000

#define LCD_RIGHT_MARGIN 36
#define LCD_LEFT_MARGIN 19
#define LCD_HSYNC_LEN 5

#define LCD_UPPER_MARGIN 1
#define LCD_LOWER_MARGIN 5
#define LCD_VSYNC_LEN 1

#elif defined(CONFIG_FB_S3C2410_TFT640480)
#define LCD_WIDTH 640
#define LCD_HEIGHT 480
#define LCD_PIXCLOCK 40000

#define LCD_RIGHT_MARGIN 67 
#define LCD_LEFT_MARGIN 40
#define LCD_HSYNC_LEN 31

#define LCD_UPPER_MARGIN 5
#define LCD_LOWER_MARGIN 25
#define LCD_VSYNC_LEN 1

#elif defined(CONFIG_FB_S3C2410_T240320)/*configuration*/
#define LCD_WIDTH 240
#define LCD_HEIGHT 320
#define LCD_PIXCLOCK 170000
#define LCD_RIGHT_MARGIN 25
#define LCD_LEFT_MARGIN 0
#define LCD_HSYNC_LEN 4
#define LCD_UPPER_MARGIN 1
#define LCD_LOWER_MARGIN 4
#define LCD_VSYNC_LEN 1
#define LCD_CON5 (S3C2410_LCDCON5_FRM565 | S3C2410_LCDCON5_INVVDEN | S3C2410_LCDCON5_INVVFRAME | S3C2410_LCDCON5_INVVLINE | S3C2410_LCDCON5_INVVCLK | S3C2410_LCDCON5_HWSWP ) 

#elif defined(CONFIG_FB_S3C2410_X240320)
#define LCD_WIDTH 240
#define LCD_HEIGHT 320
#define LCD_PIXCLOCK 170000
#define LCD_RIGHT_MARGIN 25
#define LCD_LEFT_MARGIN 0
#define LCD_HSYNC_LEN 4
#define LCD_UPPER_MARGIN 0
#define LCD_LOWER_MARGIN 4
#define LCD_VSYNC_LEN 9
#define LCD_CON5 (S3C2410_LCDCON5_FRM565 | S3C2410_LCDCON5_INVVDEN | S3C2410_LCDCON5_INVVFRAME | S3C2410_LCDCON5_INVVLINE | S3C2410_LCDCON5_INVVCLK | S3C2410_LCDCON5_HWSWP ) 

#elif defined(CONFIG_FB_S3C2410_TFT800480)
#define LCD_WIDTH 800
#define LCD_HEIGHT 480
#define LCD_PIXCLOCK 40000

#define LCD_RIGHT_MARGIN 67
#define LCD_LEFT_MARGIN 40
#define LCD_HSYNC_LEN 31

#define LCD_UPPER_MARGIN 25
#define LCD_LOWER_MARGIN 5
#define LCD_VSYNC_LEN 1

#elif defined(CONFIG_FB_S3C2410_VGA1024768)
#define LCD_WIDTH 1024
#define LCD_HEIGHT 768
#define LCD_PIXCLOCK 80000

#define LCD_RIGHT_MARGIN 15
#define LCD_LEFT_MARGIN 199
#define LCD_HSYNC_LEN 15

#define LCD_UPPER_MARGIN 1
#define LCD_LOWER_MARGIN 1
#define LCD_VSYNC_LEN 1
#define LCD_CON5 (S3C2410_LCDCON5_FRM565 | S3C2410_LCDCON5_HWSWP)

#endif

#if defined (LCD_WIDTH)

static struct s3c2410fb_display mini2440_lcd_cfg __initdata = {

#if !defined (LCD_CON5)
	.lcdcon5	= S3C2410_LCDCON5_FRM565 |
			  S3C2410_LCDCON5_INVVLINE |
			  S3C2410_LCDCON5_INVVFRAME |
			  S3C2410_LCDCON5_PWREN |
			  S3C2410_LCDCON5_HWSWP,
#else
	.lcdcon5	= LCD_CON5,
#endif

	.type		= S3C2410_LCDCON1_TFT,

	.width		= LCD_WIDTH,
	.height		= LCD_HEIGHT,

	.pixclock	= LCD_PIXCLOCK,
	.xres		= LCD_WIDTH,
	.yres		= LCD_HEIGHT,
	.bpp		= 16,
	.left_margin	= LCD_LEFT_MARGIN + 1,
	.right_margin	= LCD_RIGHT_MARGIN + 1,
	.hsync_len	= LCD_HSYNC_LEN + 1,
	.upper_margin	= LCD_UPPER_MARGIN + 1,
	.lower_margin	= LCD_LOWER_MARGIN + 1,
	.vsync_len	= LCD_VSYNC_LEN + 1,
};


static struct s3c2410fb_mach_info mini2440_fb_info __initdata = {
	.displays	= &mini2440_lcd_cfg,
	.num_displays	= 1,
	.default_display = 0,

	.gpccon =       0xaa955699,
	.gpccon_mask =  0xffc003cc,
	.gpcup =        0x0000ffff,
	.gpcup_mask =   0xffffffff,

	.gpdcon =       0xaa95aaa1,
	.gpdcon_mask =  0xffc0fff0,
	.gpdup =        0x0000faff,
	.gpdup_mask =   0xffffffff,


	.lpcsel		= 0xf82,
};

#endif

/************************************************************************************************/
trace fbi->dev->platform_data:
s3c2410fb.c
    struct s3c2410fb_mach_info *mach_info = fbi->dev->platform_data;
devs.c

void __init s3c24xx_fb_set_platdata(struct s3c2410fb_mach_info *pd)
{
	struct s3c2410fb_mach_info *npd;

	npd = kmalloc(sizeof(*npd), GFP_KERNEL);
	if (npd) {
		memcpy(npd, pd, sizeof(*npd));
		s3c_device_lcd.dev.platform_data = npd;
	} else {
		printk(KERN_ERR "no memory for LCD platform data\n");
	}
}
mach-mini2440.c
static void __init mini2440_machine_init(void)
{
#if defined (LCD_WIDTH)
	s3c24xx_fb_set_platdata(&mini2440_fb_info);
#endif
...
}
/************************************************************************************************/
http://topic.csdn.net/u/20101025/16/62ab9b17-91e2-4154-9e01-97ffd6ec4e5b.html
http://blog.csdn.net/lanmanck/article/details/4773175
http://blog.csdn.net/eqwewr/article/details/6725655
http://blog.csdn.net/eqwewr/article/details/7079442
/************************************************************************************************/
nand
   Device Drivers  --->   <*> Memory Technology Device (MTD) support  --->[*]   MTD partitioning support
                                                                          <*>   Direct char device access to MTD devices
                                                                          <*>   Caching block device access to MTD devices
                                                                          <*>   NAND Device Support  --->  <*>   NAND Flash support for Samsung S3C SoCs 
obj-$(CONFIG_MTD_NAND_S3C2410)        += s3c2410.o
/drivers/mtd/nand/s3c2410.c
the file nand_ids.c in the same directory indicates supported chips



posted on 2011-12-18 17:08  _song  阅读(315)  评论(0编辑  收藏  举报