2440板子烧写linux2.6.25.8内核触摸功能没有

我按照linux移植step by step中一样的设置，编译出内核镜像，为什么触摸功能没有？？
超级终端显示的内容：
Start Linux ...
Copy linux kernel from 0x00200000 to 0x30008000, size = 0x00300000 ... Copy Kernel to SDRAM done,NOW, Booting Linux......
Uncompressing Linux.............................................................................................................................. done, booting the kernel.
Linux version 2.6.25.8-EmbedSky (root@localhost.localdomain) (gcc version 4.3.3 (Sourcery G++ Lite 2009q1-176) ) #45 Thu Apr 25 01:53:43 PDT 2013
CPU: ARM920T [41129200] revision 0 (ARMv4T), cr=c0007177
Machine: SMDK2440
ATAG_INITRD is deprecated; please update your bootloader.
Memory policy: ECC disabled, Data cache writeback
CPU S3C2440A (id 0x32440001)
S3C244X: core 400.000 MHz, memory 100.000 MHz, peripheral 50.000 MHz
S3C24XX Clocks, (c) 2004 Simtec Electronics
CLOCK: Slow mode (1.500 MHz), fast, MPLL on, UPLL on
CPU0: D VIVT write-back cache
CPU0: I cache: 16384 bytes, associativity 64, 32 byte lines, 8 sets
CPU0: D cache: 16384 bytes, associativity 64, 32 byte lines, 8 sets
Built 1 zonelists in Zone order, mobility grouping on.  Total pages: 16256
Kernel command line: noinitrd root=/dev/mtdblock2 init=/linuxrc console=ttySAC0
irq: clearing pending ext status 00080000
irq: clearing subpending status 00000003
irq: clearing subpending status 00000002
PID hash table entries: 256 (order: 8, 1024 bytes)
timer tcon=00500000, tcnt a2c1, tcfg 00000200,00000000, usec 00001eb8
Console: colour dummy device 80x30
console [ttySAC0] enabled
Dentry cache hash table entries: 8192 (order: 3, 32768 bytes)
Inode-cache hash table entries: 4096 (order: 2, 16384 bytes)
Memory: 64MB = 64MB total
Memory: 60684KB available (3388K code, 368K data, 404K init)
SLUB: Genslabs=12, HWalign=32, Order=0-1, MinObjects=4, CPUs=1, Nodes=1
Mount-cache hash table entries: 512
CPU: Testing write buffer coherency: ok
net_namespace: 152 bytes
NET: Registered protocol family 16
S3C2440: Initialising architecture
S3C2440: IRQ Support
S3C24XX DMA Driver, (c) 2003-2004,2006 Simtec Electronics
DMA channel 0 at c4800000, irq 33
DMA channel 1 at c4800040, irq 34
DMA channel 2 at c4800080, irq 35
DMA channel 3 at c48000c0, irq 36
S3C244X: Clock Support, DVS off
SCSI subsystem initialized
usbcore: registered new interface driver usbfs
usbcore: registered new interface driver hub
usbcore: registered new device driver usb
NET: Registered protocol family 2
IP route cache hash table entries: 1024 (order: 0, 4096 bytes)
TCP established hash table entries: 2048 (order: 2, 16384 bytes)
TCP bind hash table entries: 2048 (order: 1, 8192 bytes)
TCP: Hash tables configured (established 2048 bind 2048)
TCP reno registered
NetWinder Floating Point Emulator V0.97 (double precision)
yaffs Apr 19 2013 00:44:04 Installing.
io scheduler noop registered (default)
Console: switching to colour frame buffer device 80x30
fb0: s3c2410fb frame buffer device
TQ2440/SKY2440 LEDS, (c) 2008,2009 www.embedsky.net
EmbedSky-leds initialized
TQ2440/SKY2440 Beep, (c) 2008,2009 www.embedsky.net
EmbedSky-Beep initialized
s3c2440-uart.0: tq2440_serial0 at MMIO 0x50000000 (irq = 70) is a S3C2440
s3c2440-uart.1: tq2440_serial1 at MMIO 0x50004000 (irq = 73) is a S3C2440
s3c2440-uart.2: tq2440_serial2 at MMIO 0x50008000 (irq = 76) is a S3C2440
loop: module loaded
PPP generic driver version 2.4.2
PPP Deflate Compression module registered
PPP BSD Compression module registered
PPP MPPE Compression module registered
NET: Registered protocol family 24
PPPoL2TP kernel driver, V1.0
SLIP: version 0.8.4-NET3.019-NEWTTY (dynamic channels, max=256) (6 bit encapsulation enabled).
CSLIP: code copyright 1989 Regents of the University of California.
SLIP linefill/keepalive option.
dm9000 Ethernet Driver
eth%d: Invalid ethernet MAC address.  Please set using ifconfig
Now use the default MAC address: 10:32:54:76:98:ba
eth0: dm9000 at c480e000,c4810004 IRQ 51 MAC: 10:32:54:76:98:ba
Linux video capture interface: v2.00
Driver 'sd' needs updating - please use bus_type methods
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 650 at 0x05140000
Bad eraseblock 671 at 0x053e0000
Bad eraseblock 998 at 0x07cc0000
Bad eraseblock 1292 at 0x0a180000
Bad eraseblock 1367 at 0x0aae0000
Bad eraseblock 1586 at 0x0c640000
Bad eraseblock 1689 at 0x0d320000
Bad eraseblock 2039 at 0x0fee0000
Creating 3 MTD partitions on "NAND 256MiB 3,3V 8-bit":
0x00000000-0x00040000 : "EmbedSky_Board_uboot"
0x00200000-0x00500000 : "EmbedSky_Board_kernel"
0x00500000-0x10000000 : "EmbedSky_Board_yaffs2"
usbmon: debugfs is not available
Initial EmbedSky TWO USB HOST 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.
mice: PS/2 mouse device common for all mice
EmbedSky TouchScreen successfully loaded
input: EmbedSky TouchScreen as /class/input/input0
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
i2c /dev entries driver
s3c2440-i2c s3c2440-i2c: slave address 0x10
s3c2440-i2c s3c2440-i2c: bus frequency set to 390 KHz
s3c2440-i2c s3c2440-i2c: i2c-0: S3C I2C adapter
s3c2440-sdi s3c2410-sdi: unable to get DMA channel.
s3c2440-sdi s3c2410-sdi: powered down.
s3c2440-sdi s3c2410-sdi: initialisation done.
usbcore: registered new interface driver hiddev
usbcore: registered new interface driver usbhid
drivers/hid/usbhid/hid-core.c: v2.6:USB HID core driver
s3c2440-sdi s3c2410-sdi: powered down.
UDA1341 audio driver initialized
Advanced Linux Sound Architecture Driver Version 1.0.16rc2 (Thu Jan 31 16:40:16 2008 UTC).
ASoC version 0.13.2
ALSA device list:
  No soundcards found.
TCP cubic registered
NET: Registered protocol family 1
NET: Registered protocol family 17
RPC: Registered udp transport module.
RPC: Registered tcp transport module.
s3c2410-rtc s3c2410-rtc: setting system clock to 2008-12-07 01:54:54 UTC (1228614894)
yaffs: dev is 32505858 name is "mtdblock2"
yaffs: passed flags ""
yaffs: Attempting MTD mount on 31.2, "mtdblock2"
yaffs: auto selecting yaffs2
block 611 is bad
block 632 is bad
block 959 is bad
block 1253 is bad
block 1328 is bad
block 1547 is bad
block 1650 is bad
block 2000 is bad
VFS: Mounted root (yaffs filesystem).
Freeing init memory: 404K
Start Qtopia-2.2.0
modprobe: chdir(2.6.25.8-EmbedSky): No such file or directory
modprobe: chdir(2.6.25.8-EmbedSky): No such file or directory
modprobe: chdir(2.6.25.8-EmbedSky): No such file or directory
Try to bring net interface up ...
ifconfig eth0 hw ether 10:23:45:67:89:ab
eth0: link down
ifconfig eth0 192.168.1.6 netmask 255.255.255.0 up
add default gw 192.168.1.2
Done
/dev/watchdog: No such file or directory
open device leds: No such file or directory
[07/Dec/2008:01:54:58 +0000] boa: server version Boa/0.94.13
[07/Dec/2008:01:54:58 +0000] boa: server built Jul 29 2009 at 14:27:34.
[07/Dec/2008:01:54:58 +0000] boa: starting server pid=347, port 80

Please press Enter to activate this console. ==>> yaffs bug: fs/yaffs2/yaffs_guts.c 6827
==>> yaffs bug: fs/yaffs2/yaffs_guts.c 6754
==>> yaffs bug: fs/yaffs2/yaffs_guts.c 6754