我按着TQ V4.2移植手册操作，对2.6.30内核进行编译，然后下载到开发板。下载光盘中已制作好的镜像。开发板可启动。但把自己编译好的内核下载进去，开发板屏幕花屏。过那么几秒钟重启，一直这样，本人可能笨了点，请高手指点一下，下面是串口打印出的信息：
##### EmbedSky BIOS for SKY2440/TQ2440 #####
Press Space key to Download Mode !
Booting Linux ...
Copy linux kernel from 0x00200000 to 0x30008000, size = 0x00200000 ... Copy Kernel to SDRAM done,NOW, Booting Linux......
Uncompressing Linux............................................................................................................................ done, booting the kernel.
Linux version 2.6.30.4Wangping (root@localhost.localdomain) (gcc version 3.4.5) #1 Wed Jul 7 20:34:17 CST 2010
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: 60748KB available (3568K code, 384K data, 140K init, 0K highmem)
Calibrating delay loop... 199.47 BogoMIPS (lpj=498688)
Mount-cache hash table entries: 512
CPU: Testing write buffer coherency: ok
net_namespace: 936 bytes
NET: Registered protocol family 16
S3C Power Management, Copyright 2004 Simtec Electronics
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
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
NetWinder Floating Point Emulator V0.97 (extended precision)
JFFS2 version 2.2. (NAND) 漏 2001-2006 Red Hat, Inc.
ROMFS MTD (C) 2007 Red Hat, Inc.
io scheduler noop registered
io scheduler anticipatory registered (default)
io scheduler deadline registered
io scheduler cfq registered
GPIO-Control initialized
PWM-Test initialized
adc 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_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
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
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=3, 30ns Twrph0=7 70ns, Twrph1=3 30ns
NAND device: Manufacturer ID: 0xec, Chip ID: 0xda (Samsung NAND 256MiB 3,3V 8-bit)
Scanning device for bad blocks
Bad eraseblock 340 at 0x000002a80000
Bad eraseblock 567 at 0x0000046e0000
Bad eraseblock 753 at 0x000005e20000
Bad eraseblock 775 at 0x0000060e0000
Bad eraseblock 1183 at 0x0000093e0000
Bad eraseblock 1187 at 0x000009460000
Bad eraseblock 1204 at 0x000009680000
Bad eraseblock 1295 at 0x00000a1e0000
Bad eraseblock 1348 at 0x00000a880000
Bad eraseblock 1536 at 0x00000c000000
Bad eraseblock 1596 at 0x00000c780000
Bad eraseblock 2025 at 0x00000fd20000
Creating 3 MTD partitions on "NAND 256MiB 3,3V 8-bit":
0x000000000000-0x000000040000 : "EmbedSky_Board_uboot"
0x0000001f0000-0x0000003f0000 : "EmbedSky_Board_kernel"
mtd: partition "EmbedSky_Board_kernel" doesn't start on an erase block boundary -- force read-only
0x0000003f0000-0x000003ff8000 : "EmbedSky_Board_yaffs2"
mtd: partition "EmbedSky_Board_yaffs2" doesn't start on an erase block boundary -- force read-only
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
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: starting watchdog timer
s3c2410-wdt s3c2410-wdt: watchdog active, reset abled, 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.
ALSA device list:
No soundcards found.
TCP cubic registered
NET: Registered protocol family 17
RPC: Registered udp transport module.
RPC: Registered tcp transport module.
s3c2440-sdi s3c2440-sdi: powered down.
s3c2410-rtc s3c2410-rtc: setting system clock to 2009-03-05 11:41:36 UTC (1236253296)
uncorrectable error : <3>end_request: I/O error, dev mtdblock2, sector 384
isofs_fill_super: bread failed, dev=mtdblock2, iso_blknum=96, block=192
List of all partitions:
1f00 256 mtdblock0 (driver?)
1f01 2048 mtdblock1 (driver?)
1f02 61472 mtdblock2 (driver?)
No filesystem could mount root, tried: ext3 ext2 cramfs vfat msdos iso9660 romfs
Kernel panic - not syncing: VFS: Unable to mount root fs on unknown-block(31,2)
Backtrace:
[<c002f8a8>] (dump_backtrace+0x0/0x104) from [<c002f9c4>] (dump_stack+0x18/0x1c)
r7:c385b000 r6:c03cbe5c r5:00000000 r4:c3817f5c
[<c002f9ac>] (dump_stack+0x0/0x1c) from [<c004cf24>] (panic+0x40/0x114)
[<c004cee4>] (panic+0x0/0x114) from [<c000900c>] (mount_block_root+0x1d8/0x21c)
r3:00000002 r2:80000000 r1:c3817f5c r0:c034cf14
[<c0008e34>] (mount_block_root+0x0/0x21c) from [<c000921c>] (mount_root+0xd0/0xf0)
[<c000914c>] (mount_root+0x0/0xf0) from [<c00093ac>] (prepare_namespace+0x170/0x1d0)
r6:00000000 r5:c0025888 r4:c03cb724
[<c000923c>] (prepare_namespace+0x0/0x1d0) from [<c0008bec>] (kernel_init+0xb8/0xe4)
r5:c0024898 r4:c03cb718
[<c0008b34>] (kernel_init+0x0/0xe4) from [<c004f430>] (do_exit+0x0/0x580)
r5:00000000 r4:00000000 |
/1 
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