LCD驱动移植，内核启动后黑屏。

部分启动信息如下：

yaffs Apr 18 2014 09:55:31 Installing.

msgmni has been set to 118

io scheduler noop registered

io scheduler anticipatory registered (default)

io scheduler deadline registered

io scheduler cfq registered

Failed to allocate video RAM: -12

s3c2410-lcd: probe of s3c2410-lcd failed with error -12

lp: driver loaded but no devices found

ppdev: user-space parallel port driver

s3c2440-uart.0: tq2410_serial0 at MMIO 0x50000000 (irq = 70) is a S3C2440

s3c2440-uart.1: tq2410_serial1 at MMIO 0x50004000 (irq = 73) is a S3C2440

s3c2440-uart.2: tq2410_serial2 at MMIO 0x50008000 (irq = 76) is a S3C2440

brd: module loaded

loop: module loaded

Uniform Multi-Platform E-IDE driver

ide-gd driver 1.18

ide-cd driver 5.00

Driver 'sd' needs updating - please use bus_type methods

Driver 'sr' needs updating - please use bus_type methods

dm9000 Ethernet Driver, V1.31

Now use the default MAC address: 10:23:45:67:89:ab

eth0 (dm9000): not using net_device_ops yet

eth0: dm9000e at c486e000,c4872004 IRQ 51 MAC: 10:23:45:67:89:ab (EmbedSky)

S3C24XX NAND Driver, (c) 2004 Simtec Electronics

s3c2440-nand s3c2440-nand: Tacls=2, 20ns Twrph0=3 30ns, Twrph1=2 20ns

NAND device: Manufacturer ID: 0xec, Chip ID: 0xda (Samsung NAND 256MiB 3,3V 8-bit)

NAND_ECC_NONE selected by board driver. This is not recommended !!

Scanning device for bad blocks

Bad eraseblock 62 at 0x0000007c0000

Bad eraseblock 266 at 0x000002140000

Bad eraseblock 589 at 0x0000049a0000

Bad eraseblock 794 at 0x000006340000

Bad eraseblock 877 at 0x000006da0000

Bad eraseblock 890 at 0x000006f40000

Bad eraseblock 1821 at 0x00000e3a0000

Creating 3 MTD partitions on "NAND 256MiB 3,3V 8-bit":

0x000000040000-0x000010000000 : "EmbedSky_Board_uboot"

0x000000200000-0x000000500000 : "EmbedSky_Board_kernel"

0x000000500000-0x000010000000 : "EmbedSky_Board_yaffs2"

usbmon: debugfs is not available

ohci_hcd: USB 1.1 'Open' Host Controller (OHCI) Driver

s3c2410-ohci s3c2410-ohci: S3C24XX OHCI

s3c2410-ohci s3c2410-ohci: new USB bus registered, assigned bus number 1

s3c2410-ohci s3c2410-ohci: irq 42, io mem 0x49000000

usb usb1: configuration #1 chosen from 1 choice

hub 1-0:1.0: USB hub found

hub 1-0:1.0: 2 ports detected

Initializing USB Mass Storage driver...

usbcore: registered new interface driver usb-storage

USB Mass Storage support registered.

usbcore: registered new interface driver libusual

usbcore: registered new interface driver usbserial

USB Serial support registered for generic

usbcore: registered new interface driver usbserial_generic

usbserial: USB Serial Driver core

USB Serial support registered for FTDI USB Serial Device

usbcore: registered new interface driver ftdi_sio

ftdi_sio: v1.4.3:USB FTDI Serial Converters Driver

USB Serial support registered for pl2303

usbcore: registered new interface driver pl2303

pl2303: Prolific PL2303 USB to serial adaptor driver

mice: PS/2 mouse device common for all mice

S3C24XX RTC, (c) 2004,2006 Simtec Electronics

s3c2410-rtc s3c2410-rtc: rtc disabled, re-enabling

s3c2410-rtc s3c2410-rtc: rtc core: registered s3c as rtc0

S3C2410 Watchdog Timer, (c) 2004 Simtec Electronics

s3c2410-wdt s3c2410-wdt: watchdog inactive, reset disabled, irq enabled

mapped channel 0 to 0

s3c2440-sdi s3c2440-sdi: powered down.

s3c2440-sdi s3c2440-sdi: initialisation done.

Advanced Linux Sound Architecture Driver Version 1.0.18a.

No device for DAI UDA134X

No device for DAI s3c24xx-i2s

S3C24XX_UDA134X SoC Audio driver

UDA134X SoC Audio Codec

asoc: UDA134X <-> s3c24xx-i2s mapping ok

s3c2440-sdi s3c2440-sdi: powered down.

ALSA device list:

  #0: S3C24XX_UDA134X (UDA134X)

TCP cubic registered

NET: Registered protocol family 17

RPC: Registered udp transport module.

RPC: Registered tcp transport module.

s3c2410-rtc s3c2410-rtc: setting system clock to 2089-09-21 11:29:21 UTC (3778140561)

yaffs: dev is 32505858 name is "mtdblock2"

yaffs: passed flags ""

yaffs: Attempting MTD mount on 31.2, "mtdblock2"

yaffs: auto selecting yaffs2

问题已解决

在mach-smdk2440.c文件中
defined(CONFIG_FB_S3C24X0_TFT480272)，天嵌把它写成了defined(CONFIG_FB_S3C24X0_LCD480272)