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| 我在step15LCD驱动移植时,按照手册一步一步做的,但结果我做到step15.6后,编译成镜象下载,并没有显示我所做的logo而是黑屏,然后我又把背光控制(15.7)加上去了,结果是白屏,这是怎么回事?? 
 ##### EmbedSky BIOS for SKY2440/TQ2440 #####
 Press Space key to Download Mode !
 Booting 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 2.6.30.4-EmbedSky (root@localhost.localdomain) (gcc version 4.3.3 (Sourcery G++ Lite 2009q1-176) ) #16 Mon Jan 21 01:40:50 CST 2013
 CPU: ARM920T [41129200] revision 0 (ARMv4T), cr=c0007177
 CPU: VIVT data cache, VIVT instruction cache
 Machine: SMDK2440
 ATAG_INITRD is deprecated; please update your bootloader.
 Memory policy: ECC disabled, Data cache writeback
 CPU S3C2440A (id 0x32440001)
 S3C24XX Clocks, (c) 2004 Simtec Electronics
 S3C244X: core 400.000 MHz, memory 100.000 MHz, peripheral 50.000 MHz
 CLOCK: Slow mode (1.500 MHz), fast, MPLL on, UPLL on
 Built 1 zonelists in Zone order, mobility grouping on.  Total pages: 16256
 Kernel command line: noinitrd root=/dev/mtdblock2 init=/linuxrc console=ttySAC0
 NR_IRQS:85
 irq: clearing pending ext status 00080000
 irq: clearing subpending status 00000002
 PID hash table entries: 256 (order: 8, 1024 bytes)
 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: 60480KB available (3712K code, 402K data, 244K init, 0K highmem)
 SLUB: Genslabs=11, HWalign=32, Order=0-3, MinObjects=0, CPUs=1, Nodes=1
 Calibrating delay loop... 199.47 BogoMIPS (lpj=498688)
 Mount-cache hash table entries: 512
 CPU: Testing write buffer coherency: ok
 net_namespace: 296 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 c4808000, irq 33
 DMA channel 1 at c4808040, irq 34
 DMA channel 2 at c4808080, irq 35
 DMA channel 3 at c48080c0, irq 36
 S3C244X: Clock Support, DVS off
 bio: create slab <bio-0> at 0
 SCSI subsystem initialized
 usbcore: registered new interface driver usbfs
 usbcore: registered new interface driver hub
 usbcore: registered new device driver usb
 s3c2440-i2c s3c2440-i2c: slave address 0x10
 s3c2440-i2c s3c2440-i2c: bus frequency set to 97 KHz
 s3c2440-i2c s3c2440-i2c: i2c-0: S3C I2C adapter
 cfg80211: Calling CRDA to update world regulatory domain
 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
 NET: Registered protocol family 1
 JFFS2 version 2.2. (NAND) (SUMMARY)  漏 2001-2006 Red Hat, Inc.
 ROMFS MTD (C) 2007 Red Hat, Inc.
 yaffs Jan 13 2013 08:37:42 Installing.
 msgmni has been set to 118
 alg: No test for stdrng (krng)
 io scheduler noop registered (default)
 Failed to allocate video RAM: -12
 s3c2410-lcd: probe of s3c2410-lcd failed with error -12
 bkl initialized
 lp: driver loaded but no devices found
 ppdev: user-space parallel port driver
 Serial: 8250/16550 driver, 4 ports, IRQ sharing enabled
 s3c2440-uart.0: TQ2440-BOBO_serial0 at MMIO 0x50000000 (irq = 70) is a S3C2440
 s3c2440-uart.1: TQ2440-BOBO_serial1 at MMIO 0x50004000 (irq = 73) is a S3C2440
 s3c2440-uart.2: TQ2440-BOBO_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 c4872000,c4876004 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 149 at 0x0000012a0000
 Bad eraseblock 320 at 0x000002800000
 Bad eraseblock 321 at 0x000002820000
 Bad eraseblock 382 at 0x000002fc0000
 Bad eraseblock 640 at 0x000005000000
 Bad eraseblock 665 at 0x000005320000
 Bad eraseblock 1235 at 0x000009a60000
 Creating 3 MTD partitions on "NAND 256MiB 3,3V 8-bit":
 0x000000000000-0x000000040000 : "TQ2440-BOBO_boot"
 0x000000200000-0x000000500000 : "TQ2440-BOBO_kernel"
 0x000000500000-0x000010000000 : "TQ2440-BOBO_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
 s3c2410_udc: debugfs dir creation failed -19
 s3c2440-usbgadget s3c2440-usbgadget: S3C2440: increasing FIFO to 128 bytes
 mice: PS/2 mouse device common for all mice
 S3C24XX RTC, (c) 2004,2006 Simtec Electronics
 S3C2410 Watchdog Timer, (c) 2004 Simtec Electronics
 s3c2410-wdt s3c2410-wdt: watchdog inactive, reset disabled, irq enabled
 usbcore: registered new interface driver hiddev
 usbcore: registered new interface driver usbhid
 usbhid: v2.6:USB HID core driver
 Advanced Linux Sound Architecture Driver Version 1.0.20.
 ALSA device list:
 No soundcards found.
 TCP cubic registered
 NET: Registered protocol family 17
 RPC: Registered udp transport module.
 RPC: Registered tcp transport module.
 lib80211: common routines for IEEE802.11 drivers
 drivers/rtc/hctosys.c: unable to open rtc device (rtc0)
 yaffs: dev is 32505858 name is "mtdblock2"
 yaffs: passed flags ""
 yaffs: Attempting MTD mount on 31.2, "mtdblock2"
 yaffs: auto selecting yaffs2
 block 110 is bad
 block 281 is bad
 block 282 is bad
 block 343 is bad
 block 601 is bad
 block 626 is bad
 block 1196 is bad
 yaffs_read_super: isCheckpointed 0
 VFS: Mounted root (yaffs filesystem) on device 31:2.
 Freeing init memory: 244K
 rt2x00lib: Unknown symbol led_classdev_suspend
 rt2x00lib: Unknown symbol led_classdev_unregister
 rt2x00lib: Unknown symbol led_classdev_resume
 rt2x00lib: Unknown symbol led_classdev_register
 insmod: can't insert '/lib/rt2x00lib.ko': unknown symbol in module, or unknown parameter
 rt2x00usb: Unknown symbol rt2x00lib_probe_dev
 rt2x00usb: Unknown symbol rt2x00lib_rxdone
 rt2x00usb: Unknown symbol rt2x00lib_remove_dev
 rt2x00usb: Unknown symbol rt2x00lib_txdone
 rt2x00usb: Unknown symbol rt2x00queue_get_queue
 insmod: can't insert '/lib/rt2x00usb.ko': unknown symbol in module, or unknown parameter
 rt73usb: Unknown symbol rt2x00mac_add_interface
 rt73usb: Unknown symbol rt2x00mac_get_stats
 rt73usb: Unknown symbol rt2x00usb_disable_radio
 rt73usb: Unknown symbol rt2x00mac_set_key
 rt73usb: Unknown symbol rt2x00usb_vendor_request_buff
 rt73usb: Unknown symbol rt2x00usb_vendor_request_large_buff
 rt73usb: Unknown symbol rt2x00usb_kick_tx_queue
 rt73usb: Unknown symbol rt2x00usb_write_tx_data
 rt73usb: Unknown symbol rt2x00mac_config_interface
 rt73usb: Unknown symbol rt2x00mac_remove_interface
 rt73usb: Unknown symbol rt2x00usb_vendor_request
 rt73usb: Unknown symbol rt2x00usb_probe
 rt73usb: Unknown symbol rt2x00mac_config
 rt73usb: Unknown symbol rt2x00queue_get_queue
 rt73usb: Unknown symbol rt2x00usb_clear_entry
 rt73usb: Unknown symbol rt2x00mac_conf_tx
 rt73usb: Unknown symbol rt2x00mac_start
 rt73usb: Unknown symbol rt2x00mac_stop
 rt73usb: Unknown symbol rt2x00mac_configure_filter
 rt73usb: Unknown symbol rt2x00usb_disconnect
 rt73usb: Unknown symbol rt2x00mac_tx
 rt73usb: Unknown symbol rt2x00usb_vendor_req_buff_lock
 rt73usb: Unknown symbol rt2x00mac_get_tx_stats
 rt73usb: Unknown symbol rt2x00usb_regbusy_read
 rt73usb: Unknown symbol rt2x00usb_kill_tx_queue
 rt73usb: Unknown symbol rt2x00usb_uninitialize
 rt73usb: Unknown symbol rt2x00usb_initialize
 rt73usb: Unknown symbol rt2x00mac_bss_info_changed
 insmod: can't insert '/lib/rt73usb.ko': unknown symbol in module, or unknown parameter
 usbcore: registered new interface driver zd1211rw
 eth0: link down
 route: SIOCADDRT: Network is unreachable
 [01/Jan/1970:00:00:09 +0000] boa: server version Boa/0.94.13
 [01/Jan/1970:00:00:09 +0000] boa: server built Jul 29 2009 at 14:27:34.
 [01/Jan/1970:00:00:09 +0000] boa: starting server pid=1011, port 80
 
 Please press Enter to activate this console.
 
 请大神帮忙啊!!不胜感激!!
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