/home/yangjia/samba/linux-3.5/arch/arm/mach-exynos/mach-tiny4412.c  。_initdata 定义在此文件中。平台驱动都重要在这里注册。平台驱动是匹配名字的。

static struct platform_device *smdk4x12_devices[] __initdata = {
#ifdef CONFIG_EXYNOS4_DEV_DWMCI&exynos_device_dwmci,
#endif&s3c_device_hsmmc2,&s3c_device_hsmmc3,&wm8994_fixed_voltage0,&wm8994_fixed_voltage1,&wm8994_fixed_voltage2,&s3c_device_i2c0,&s3c_device_i2c1,&s3c_device_i2c2,&s3c_device_i2c3,
#ifdef CONFIG_VIDEO_M5MOLS&s3c_device_i2c4,
#endif&s3c_device_i2c7,&s3c_device_adc,&s3c_device_rtc,&s3c_device_wdt,
#ifdef CONFIG_TINY4412_BUZZER&s3c_device_timer[0],
#endif
#ifdef CONFIG_VIDEO_EXYNOS_FIMC_LITE&exynos_device_flite0,&exynos_device_flite1,
#endif&s5p_device_mipi_csis0,&s5p_device_mipi_csis1,&s5p_device_fimc0,&s5p_device_fimc1,&s5p_device_fimc2,&s5p_device_fimc3,&s5p_device_fimc_md,<span style="color:#cc0000;">&s5p_device_fimd0,</span>

在/home/yangjia/samba/linux-3.5/arch/arm/plat-samsung/devs.c 中定义有 s3c_device_fb 和s5p_device_fimd0 。S5P_PA_FIMD0是VIDCON0的地址，可以查三星的用户手册，地址为 0x11C00000。s5p-fb这个名字没有在后面匹配。

#ifdef CONFIG_S5P_DEV_FIMD0
static struct resource s5p_fimd0_resource[] = {[0] = DEFINE_RES_MEM(S5P_PA_FIMD0, SZ_32K),[1] = DEFINE_RES_IRQ(IRQ_FIMD0_VSYNC),[2] = DEFINE_RES_IRQ(IRQ_FIMD0_FIFO),[3] = DEFINE_RES_IRQ(IRQ_FIMD0_SYSTEM),
};struct platform_device s5p_device_fimd0 = {.name		= "s5p-fb",.id		= 0,.num_resources	= ARRAY_SIZE(s5p_fimd0_resource),.resource	= s5p_fimd0_resource,.dev		= {.dma_mask		= &samsung_device_dma_mask,.coherent_dma_mask	= DMA_BIT_MASK(32),},
};

#ifdef CONFIG_S3C_DEV_FB
static struct resource s3c_fb_resource[] = {[0] = DEFINE_RES_MEM(S3C_PA_FB, SZ_16K),[1] = DEFINE_RES_IRQ(IRQ_LCD_VSYNC),[2] = DEFINE_RES_IRQ(IRQ_LCD_FIFO),[3] = DEFINE_RES_IRQ(IRQ_LCD_SYSTEM),
};struct platform_device s3c_device_fb = {.name		= "s3c-fb",.id		= -1,.num_resources	= ARRAY_SIZE(s3c_fb_resource),.resource	= s3c_fb_resource,.dev		= {.dma_mask		= &samsung_device_dma_mask,.coherent_dma_mask	= DMA_BIT_MASK(32),},
};

#ifdef CONFIG_S5P_DEV_FIMD0
static struct resource s5p_fimd0_resource[] = {[0] = DEFINE_RES_MEM(<span style="color:#cc0000;">S5P_PA_FIMD0</span>, SZ_32K),[1] = DEFINE_RES_IRQ(IRQ_FIMD0_VSYNC),[2] = DEFINE_RES_IRQ(IRQ_FIMD0_FIFO),[3] = DEFINE_RES_IRQ(IRQ_FIMD0_SYSTEM),
};

/home/yangjia/samba/linux-3.5/arch/arm/mach-exynos/mach-tiny4412.c  

static void __init smdk4x12_machine_init(void)
{
#ifdef CONFIG_TOUCHSCREEN_FT5X0Xstruct s3cfb_lcd *lcd = tiny4412_get_lcd();ft5x0x_pdata.screen_max_x = lcd->width;ft5x0x_pdata.screen_max_y = lcd->height;

/home/yangjia/samba/linux-3.5/arch/arm/mach-exynos/tiny4412-lcds.c 在这个文件中对lcd的参数进行配置。

static struct {char *name;struct s3cfb_lcd *lcd;int ctp;
} tiny4412_lcd_config[] = {{ "HD700",	&wxga_hd700, 1 },{ "S70",	&wvga_s70,   1 },{ "W50",	&wvga_w50,   0 },{ "W101",	&wsvga_w101, 1 },{ "A97",	&xga_a97,    0 },{ "HDM",	&hdmi_def,   0 },	/* Pls keep it at last */
};static int lcd_idx = 0;static int __init tiny4412_setup_lcd(char *str)
{int i;if (!strncasecmp("HDMI", str, 4)) {struct hdmi_config *cfg = &tiny4412_hdmi_config[0];struct s3cfb_lcd *lcd;lcd_idx = ARRAY_SIZE(tiny4412_lcd_config) - 1;lcd = tiny4412_lcd_config[lcd_idx].lcd;for (i = 0; i < ARRAY_SIZE(tiny4412_hdmi_config); i++, cfg++) {if (!strcasecmp(cfg->name, str)) {lcd->width = cfg->width;lcd->height = cfg->height;goto __ret;}}}for (i = 0; i < ARRAY_SIZE(tiny4412_lcd_config); i++) {if (!strcasecmp(tiny4412_lcd_config[i].name, str)) {lcd_idx = i;break;}}__ret:printk("TINY4412: %s selected\n", tiny4412_lcd_config[lcd_idx].name);return 0;
}
early_param("lcd", tiny4412_setup_lcd);