s3c2440 armice can not write 0x4c000004

s3c2440 armice can not write 0x4c000004,what is the problem?

armice tools ,zhe inf file is 

fillmem 0x53000000  0x53000000  0x00000000 32
fillmem 0x4a000008  0x4a000008  0xffffffff 32
fillmem 0x4a00001c  0x4a00001c  0x000007ff 32
fillmem 0x53000000  0x53000000  0x00000000 32
fillmem 0x56000050  0x56000050  0x000055AA 32
fillmem 0x4c000014  0x4c000014  0x00000003 32
fillmem 0x4c000000  0x4c000000  0x00ffffff 32
fillmem 0x4c000004  0x4c000004  0x00044011 32
fillmem 0x4c000008  0x4c000008  0x00040042 32

fillmem 0x48000000  0x48000000  0x22111120 32
fillmem 0x48000004  0x48000004  0x00002F50 32
fillmem 0x48000008  0x48000008  0x00000700 32
fillmem 0x4800000c  0x4800000c  0x00000700 32
fillmem 0x48000010  0x48000010  0x00000700 32
fillmem 0x48000014  0x48000014  0x00000700 32
fillmem 0x48000018  0x48000018  0x00007ffc 32
fillmem 0x4800001c  0x4800001c  0x00018005 32
fillmem 0x48000020  0x48000020  0x00018005 32
fillmem 0x48000024  0x48000024  0x008e0459 32
fillmem 0x48000028  0x48000028  0x00000032 32
fillmem 0x4800002c  0x4800002c  0x00000030 32
fillmem 0x48000030  0x48000030  0x00000030 32

when start ut tools ,it say "can not excute 0x4c000004  0x4c000004 
0x00044011 32 ",I use exclk =12Mhz,and om2 /om3 =11. set xtipll = vdd.
use memtools , check sdram 0x30000000 ,at 0x30000418 is error.
can't write nor flash , erase is ok! but program flash ,time out!
Thanks!