请教天嵌工程是：nand flash出问题了？

新板子TQ2440，烧写了zImage_2.6.13_w35和root_2.6.13_qt_tp.bin
超级终端显示如下信息： 难道nand flash坏了？？？？？？
?*** Warning - bad CRC or NAND, using default environment
##### EmbedSky u-boot for TQ2440  #####
Press Space key to Download Mode !
Booting Linux ...
Copy linux kernel from 0x001f0000 to 0x30008000, size = 0x00200000 ... Copy Kern
el to SDRAM done,NOW, Booting Linux......
Uncompressing Linux.............................................................
............................................. done, booting the kernel.
Linux version 2.6.13 (root@EmbedSky) (gcc version 3.4.5) #5 Tue Apr 21 12:53:23
CST 2009
CPU: ARM920Tid(wb) [41129200] revision 0 (ARMv4T)
Machine: TQ2440
ATAG_INITRD is deprecated; please update your bootloader.
Memory policy: ECC disabled, Data cache writeback
CPU S3C2440A (id 0x32440001)
BUG: mapping for 0x20000300 at 0xd0000000 overlaps vmalloc space
S3C2440: core 400.000 MHz, memory 100.000 MHz, peripheral 50.000 MHz
S3C2410 Clocks, (c) 2004 Simtec Electronics
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
Kernel command line: noinitrd root=/dev/mtdblock2 init=/linuxrc console=ttySAC0
irq: clearing pending ext status 00080000
irq: clearing subpending status 00000002
PID hash table entries: 512 (order: 9, 8192 bytes)
timer tcon=00500000, tcnt a2c1, tcfg 00000200,00000000, usec 00001eb8
Console: colour dummy device 80x30
Dentry cache hash table entries: 16384 (order: 4, 65536 bytes)
Inode-cache hash table entries: 8192 (order: 3, 32768 bytes)
Memory: 64MB = 64MB total
Memory: 61056KB available (2559K code, 1037K data, 176K init)
Mount-cache hash table entries: 512
CPU: Testing write buffer coherency: ok
NET: Registered protocol family 16
USB Power Control, (c) 2004 Simtec Electronics
S3C2440: Initialising architecture
S3C2440: IRQ Support
S3C2440: IRQ Support
S3C2440: Clock Support, UPLL 48.000 MHz
SCSI subsystem initialized
usbcore: registered new driver usbfs
usbcore: registered new driver hub
S3C2410 DMA Driver, (c) 2003-2004 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
NetWinder Floating Point Emulator V0.97 (double precision)
devfs: 2004-01-31 Richard Gooch (rgooch@atnf.csiro.au)
devfs: boot_options: 0x1
yaffs Apr  9 2009 14:01:26 Installing.
Initializing Cryptographic API
Console: switching to colour frame buffer device 64x30
S3C24X0 fb0: s3c2410fb frame buffer device initialize done
GPIO L3 bus interface for S3C2440, installed
S3C2410 RTC, (c) 2004 Simtec Electronics
s3c2410-rtc s3c2410-rtc: rtc disabled, re-enabling
TQ2440_backlight initialized
TQ2440_GPF initialized
TQ2440_leds initialized
TQ2440-Beep initialized
s3c24x0_serial0 at MMIO 0x50000000 (irq = 70) is a S3C2440
s3c24x0_serial1 at MMIO 0x50004000 (irq = 73) is a S3C2440
s3c24x0_serial2 at MMIO 0x50008000 (irq = 76) is a S3C2440
io scheduler noop registered
io scheduler anticipatory registered
io scheduler deadline registered
io scheduler cfq registered
RAMDISK driver initialized: 16 RAM disks of 4096K size 1024 blocksize
loop: loaded (max 8 devices)
nbd: registered device at major 43
DM9000 ethernet driver V1.26 I/O: c481a300, VID: 90000a46
Linux video capture interface: v1.00
ovcamchip: v2.27 for Linux 2.6 : OV camera chip I2C driver
Uniform Multi-Platform E-IDE driver Revision: 7.00alpha2
ide: Assuming 50MHz system bus speed for PIO modes; override with idebus=xx
ide_s3c2440_init
ide0: S3C2410 IDE interface
S3C24XX NAND Driver, (c) 2004 Simtec Electronics
s3c2410-nand: mapped registers at c4880000
30 ns is too big for current clock rate 100000
s3c2410-nand: timing: Tacls 0ns, Twrph0 4294ns, Twrph1 0ns
NAND device: Manufacturer ID: 0xec, Chip ID: 0x76 (Samsung NAND 64MiB 3,3V 8-bit
)
NAND_ECC_NONE selected by board driver. This is not recommended !!
Scanning device for bad blocks
Bad eraseblock 16 at 0x00040000
Bad eraseblock 17 at 0x00044000
Bad eraseblock 18 at 0x00048000
Bad eraseblock 20 at 0x00050000
Bad eraseblock 21 at 0x00054000
Bad eraseblock 22 at 0x00058000
Bad eraseblock 23 at 0x0005c000
Bad eraseblock 24 at 0x00060000
Bad eraseblock 25 at 0x00064000
Bad eraseblock 26 at 0x00068000
Bad eraseblock 27 at 0x0006c000
Bad eraseblock 28 at 0x00070000
Bad eraseblock 29 at 0x00074000
Bad eraseblock 30 at 0x00078000
Bad eraseblock 31 at 0x0007c000
Bad eraseblock 32 at 0x00080000
Bad eraseblock 33 at 0x00084000
Bad eraseblock 34 at 0x00088000
Bad eraseblock 35 at 0x0008c000
Bad eraseblock 36 at 0x00090000
Bad eraseblock 37 at 0x00094000
Bad eraseblock 38 at 0x00098000
Bad eraseblock 39 at 0x0009c000
Bad eraseblock 40 at 0x000a0000
Bad eraseblock 41 at 0x000a4000
Bad eraseblock 42 at 0x000a8000
Bad eraseblock 43 at 0x000ac000
Bad eraseblock 44 at 0x000b0000
Bad eraseblock 45 at 0x000b4000
Bad eraseblock 46 at 0x000b8000
Bad eraseblock 47 at 0x000bc000
Bad eraseblock 48 at 0x000c0000
Bad eraseblock 49 at 0x000c4000
Bad eraseblock 50 at 0x000c8000
Bad eraseblock 51 at 0x000cc000
Bad eraseblock 52 at 0x000d0000
Bad eraseblock 53 at 0x000d4000
Bad eraseblock 54 at 0x000d8000
Bad eraseblock 55 at 0x000dc000
Bad eraseblock 56 at 0x000e0000
Bad eraseblock 57 at 0x000e4000
Bad eraseblock 58 at 0x000e8000
Bad eraseblock 59 at 0x000ec000
Bad eraseblock 60 at 0x000f0000
Bad eraseblock 61 at 0x000f4000
Bad eraseblock 62 at 0x000f8000
Bad eraseblock 63 at 0x000fc000
Bad eraseblock 64 at 0x00100000
Bad eraseblock 65 at 0x00104000
Bad eraseblock 66 at 0x00108000
Bad eraseblock 67 at 0x0010c000
Bad eraseblock 68 at 0x00110000
Bad eraseblock 69 at 0x00114000
Bad eraseblock 70 at 0x00118000
Bad eraseblock 71 at 0x0011c000
Bad eraseblock 72 at 0x00120000
Bad eraseblock 73 at 0x00124000
Bad eraseblock 74 at 0x00128000
Bad eraseblock 75 at 0x0012c000
Bad eraseblock 76 at 0x00130000
Bad eraseblock 77 at 0x00134000
Bad eraseblock 78 at 0x00138000
Bad eraseblock 79 at 0x0013c000
Bad eraseblock 80 at 0x00140000
Bad eraseblock 81 at 0x00144000
Bad eraseblock 82 at 0x00148000
Bad eraseblock 83 at 0x0014c000
Bad eraseblock 84 at 0x00150000
Bad eraseblock 85 at 0x00154000
Bad eraseblock 86 at 0x00158000
Bad eraseblock 87 at 0x0015c000
Bad eraseblock 88 at 0x00160000
Bad eraseblock 89 at 0x00164000
Bad eraseblock 90 at 0x00168000
Bad eraseblock 91 at 0x0016c000
Bad eraseblock 92 at 0x00170000
Bad eraseblock 93 at 0x00174000
Bad eraseblock 94 at 0x00178000
Bad eraseblock 95 at 0x0017c000
Bad eraseblock 96 at 0x00180000
Bad eraseblock 97 at 0x00184000
Bad eraseblock 98 at 0x00188000
Bad eraseblock 99 at 0x0018c000
Bad eraseblock 100 at 0x00190000
Bad eraseblock 101 at 0x00194000
Bad eraseblock 102 at 0x00198000
Bad eraseblock 103 at 0x0019c000
Bad eraseblock 104 at 0x001a0000
Bad eraseblock 105 at 0x001a4000
Bad eraseblock 106 at 0x001a8000
Bad eraseblock 107 at 0x001ac000
Bad eraseblock 108 at 0x001b0000
Bad eraseblock 109 at 0x001b4000
Bad eraseblock 110 at 0x001b8000
Bad eraseblock 111 at 0x001bc000
Bad eraseblock 112 at 0x001c0000
Bad eraseblock 113 at 0x001c4000
Bad eraseblock 114 at 0x001c8000
Bad eraseblock 115 at 0x001cc000
Bad eraseblock 116 at 0x001d0000
Bad eraseblock 117 at 0x001d4000
Bad eraseblock 118 at 0x001d8000
Bad eraseblock 119 at 0x001dc000
Bad eraseblock 120 at 0x001e0000
Bad eraseblock 121 at 0x001e4000
Bad eraseblock 122 at 0x001e8000
Bad eraseblock 123 at 0x001ec000
Creating 3 MTD partitions on "NAND 64MiB 3,3V 8-bit":
0x00000000-0x00040000 : "bootloader"
mtd: Giving out device 0 to bootloader
0x001f0000-0x003f0000 : "kernel"
mtd: Giving out device 1 to kernel
0x003f0000-0x03ff8000 : "root"
mtd: Giving out device 2 to root
Initial TQ2440 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
hub 1-0:1.0: USB hub found
hub 1-0:1.0: 2 ports detected
Initializing USB Mass Storage driver..
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下面的省略不写了

在uboot下载模式下，使用命令9-》命令1格式化nand flash后重新烧写uboot，内核镜像、文件系统到Nand Flash中。