power-pc系统无法正常启动的问题

satanaelzhou

用的power pc的mpc8247板子，系统总是启动到某个环节，就自动重启了，没有提示任何的有价值的信息，错误提示等都没有。
找不到问题的方向，有人遇到过这样的问题么，从哪里去入手分析和解决啊，给我出出主意咯，谢谢各位
系统启动日志如下：
U-Boot > setenv bootcmd 'tftp 0x800000 uImage;tftp 0xa00000 mpc8247ads.dtb;bootm 0x800000 - 0xa00000';
U-Boot > boot
Using FAC1 ETHERNET device
TFTP from server 192.168.3.75; our IP address is 192.168.3.47
Filename 'uImage'.
Load address: 0x800000
Loading: #################################################################
         ############################################
dole
Bytes transferred = 1596288 (185b80 hex)
Using FCC1 ETHERNET device
TFTP from server 192.168.3.75; our IP address is 192.168.3.47
Filename 'mpc8247ads.dtb'.
Load address: 0xa00000
Loading: ##
done
Bytes transferred = 16384 (4000 hex)
## Bootilg image at 00800000 ...
   Image Name:   Linux-2.6.25
   Image Type:   PowerPC Linux Kernel Image (gzip compressed)
   Data Size:    1596224 Bytes =  1.5 MB
   Load Address: 00000000
   Entry Point:  00000000
   Verifying Checksum ... OK
Set Architecture 0x7
   Uncompressing Kernel Image ...
gunzip dst: 00000000, dst_len: 8388608, src: 00800040,src_len: 1596224

OK
ih_type 0x2
ih_os 0x5
call do_bootm_linux
addr 0x800000
len_ptr 0x800040
## Current stack ends at 0x07B81BF0 => set upper limit to 0x00800000
## cmdline at 0x007FFF00 ... 0x007FFF77
memstart    = 0x00000000
memsize     = 0x08000000
flashstart  = 0xFF000000
flashsize   = 0x01000000
flashoffset = 0x00000000
sramstart   = 0x00000000
sramsize    = 0x00000000
immr_base   = 0xF0000000
bootflags   = 0x00000001
vco         =    396 MHz
sccfreq     =     99 MHz
brgfreq     = 24.750 MHz
intfreq     =    396 MHz
cpmfreq     =    198 MHz
busfreq     =     66 MHz
ethaddr     = 04:00:00:00:00:0A
eth1addr    = 04:00:00:00:00:0@
IP addr     = 192.168.3.47
baudrate    = 115200 bps
Skipping initrd
   Booting using the fdt at 0xa00000
No initrd
## device tree at 0x00A00000 ... 0x00A03FFF (len=16384=0x4000)
   Loading Device Tree to 007fb000, end 007fefff ... OK
## Transferring control to Linux (at address 00000000) ...
## execute Linux (at address 00000000) ...
Using Freescale MPC8272 ADS machine description
Linux version 2.6.25 (root@localhost.localdomain) (gcc version 4.2.1 (Sourcery G++ Lite 4.2-82)) #21 Sun Mar 4 21:54:56 PST 2012
Zone PFN ranges:
  DMA             0 ->    32768
  Normal      32768 ->    32768
Movable zone start PFN for each node
early_node_map[1] active PFN ranges
    0:        0 ->    32768
Built 1 zonelists in Zone order, mobility grouping on,  Total pages: 32512
Kernel command line: root=/dev/mtdblock1 rw rootfstype=cramfs console=ttyCPM0,115200 ip=192.168.3.47:::::eth0n ip=192.168.3.46:::::eth1n
No pci pic node in device tree.
PID hash table entries: 512 (order: 9, 2048 bytes)
clocksmurce: timebase mult[f26c9b2] shift[22] registered
cpm_uart_allocbuf 40 fdfb6040 fdfb47fcsetbrg 6 115200
console [ttyCPM0] enabled
Dentry cache hash table entries: 16384 (order: 4, 65536 bytes)
Inode-cache hash table entries: 8192 (order: 3, 32768 byteq)
Memory: 126448k/131072k available (3076k kernel code, 4476k reserved, 100k data, 118k bss, 144k init)
SLUB: Genslabs=12, HWalign=32, Order=0-1, MinObjects=4, CPUs=1, Nodes=1
Mount-cache hash table entries: 512
net_namespace: 440 bytes
NET: Registered protocol family 16
PCI: Probing PCI hardware
SCSI subsystem initialized
NET: Registered protocol family 2
IP route cache hash table entries: 1024 (order: 0, 4096 bytes)
TCP established hash table entries: 4096 (order: 3, 32768 bytes)
TCP bind hash table entries: 4096 (order: 2, 16384 bytes)
TCP: Hash tables configured (established 4096 bind 4096)
TCP reno registered
JFFS2 version 2.2. (NAND) © 2001-2006 Red Hat, Inc.
io scheduler noop registered
io scheduler anticipatory registered (default)
io scheduler deadline registered
io scheduler cfq registered
ttyCPM0 at MMIO 0xc905ca80 (irq = is a CPM UART
cpm_uart_allocbuf c0 fdfb60c0 c90628fc<6>ttyCPM1 at MMIO 0xc9060a90 (irq = 9) is a CPM UART
brd: module loaded
loop: module loaded
tun: Uliversal TUN/TAP device driver, 1.6
tun: (C) 1999-2004 Max Krasnyansky <maxk@qualcomm.com>
ofdev-inforfdev->name[ethernet],ofdev->node->type[network],ofdev->node->full_name[/soc@f0000000/cpm@119c0/ethernet@11300]
eth0: fs_enet: 04:00:00:00:00:0a
CPM2 Bitbanged MII: probed
fs_enet_mdio_probe
CPM2 Bitbanged MII: probed
fs_enet_mdio_probe done
Driver 'sd' needs updating - please use bus_type methods
ff000000.flash: Found 1 x16 devices at 0x0 in 8-bit bank
Using buffer write methodry Table at 0x0031
cfi_cmdset_0001: Erase suspend on write enabled
cmdlinepart partition parsing not available
RedBoot partition parsing not available
Creating 7 MTD partitions on "ff000000.flash":
0x00000000-0x00200000 : "kernel"
0x00200000-0x00600000 : "rootfs"
0x00600000-0x00d80000 : "application"
0x00d80000-0x00f00000 : "config"
0x00f00000-0x00f80000 : "bootloader"
0x00f80000-0x00fa0000 : "dtb"
0x00fa0000-0x01000000 : "factory"
mice: PS/2 mouse device common for all mice-test1
?
U-Boot 1.3.2 (Nov  8 2010 - 15:41:04)

MPC8247 Reset Status: Software Watchdog, External Soft, External Hard

MPC8247 Clock Configuration
- Bus-to-Core Mult 4.5x, VCO Div 2, 60x Bus Freq  22-65 , Core Freq 100-300
- dfbrg 1, corecnf 0x17, busdf 5, cpmdf 1, plldf 0, pllmf 5, pcidf 9
- vco_out  396000000, scc_clk   99000000, brg_clk   24750000
- cpu_clk  396000000, cpm_clk  198000000, bus_clk   66000000
- pci_clk   39600000
CPU:   MPC8247 (HiP7 Rev 14, Mask 1.0 1K50M) at 396 MHz
Board: ITL ZK@8247       Watchdog enabled
DRAM:  128 MB
FLASH: 16 MB
In:    serial
Out:   serial
Err:   serial
Net:   FCC1 ETHERNET
Hit any key to stop autoboot:  0
U-Boot >
U-Boot >
U-Boot >

伤不起

看门狗没关？

satanaelzhou

正在排除中，有结果跟大家分享吧