COMS OV9650linux驱动问题

装载驱动后，dmesg显示Manufacture ID Production ID 都是0xFFFF,
不知为啥？求高人给看看吧

贴出你用的驱动源代码或者链接；
贴出你操作时候的串口输出

OV9650linux驱动

上午一直在试COMS摄像头驱动，
之前还好好，刚才就发现屏闪，没有QT的画面。
下电后，在启动，屏就一个劲的闪，也看不到LINUX的启动画面了。
另外我把开关S2设为Nor Flash，启动屏就不闪。
请问是什么原因？

使用串口线连接，在超级终端里拷贝的下列信息。
并且下面的信息是规律地不断重复，同时伴有屏闪。
求助帮助分析一下原因。谢谢

+---------------------------------------------+                                              
| S3C2440A USB Downloader ver R0.03 2004 Jan  |                                              
+---------------------------------------------+                                              
USB: IN_ENDPOINT:1 OUT_ENDPOINT:3                                
FORMAT: <ADDR(DATA):4>+<SIZE(n+10):4>+<DATA:n>                                            
NOTE: Power off/on or press the reset button for 1 sec                                                      
      in order to get a valid USB device address.                                                

NAND device: Manufacture ID: 0xec, Chip ID: 0x76 (Samsung K9D1208V0M)                                                                    
Could not found stored vivi parameters. Use default vivi parameters.                                                                    
Press Return to start the LINUX/Wince now, any other key for vivi                                                                
Copy linux kernel from 0x00050000 to 0x30008000, size = 0x00200000 ... done                                                                          
zImage magic = 0x016f2818                        
Setup linux parameters at 0x30000100                                    
linux command line is: "noinitrd root=/dev/mtdblock2 init=/linuxrc                                                                  
C0"  
MACH_TYPE = 782              
NOW, Booting Linux......                        
Uncompressing Linux..........                            
VIVI version 0.1.4 (root@capcross) (gcc version 2.95.3 20010315 (release)) #0.1.                                                                                
4 Fri Sep 12 02:09:10 CST 2008                              
MMU table base address = 0x33DFC000                                  
Succeed memory mapping.                      
DIVN_UPLL0          
MPLLVal [M:7fh,P:2h,S:1h]                        
CLKDIVN:5h