U-BOOT cannot erase FLASH specific sectors

Source: Internet
Author: User
U-BOOT cannot erase FLASH specific sectors-Linux general technology-Linux programming and kernel information, below is the details to read. : 0wl; l1 uses the AT91RM9200DK Development Board and FLASH chip E28F128. During UBOOT command operation, 10380000 ~ 1039ffff slice, the others are normal; 0 slice on the Board made by myself cannot be erased, after changing the FLASH chip, the situation is exactly the same:
Uboot> protect off all

Un-Protect Flash Bank #1
Uboot> erase 10000000 1001 ffff


Erasing sector 0... done
Erased 1 sectors
Uboot> md 10000000

10000000: 08400060 093 cffff 2935fe00 09012440 '. @ ...... <... 5) @ $ ..
10000010: 88400060 08000244 08311000 '[email]. @. D ...... 1 [/email] ......
10000020: 00000000 f00b3c05 00000000 083c00b0 ...... <.
10000030: 098d0403 29310100 20110f00 00000000 ...... 1 ).......
10000040: 098d4402 2a310400 40110300 00000000. D ...... 1 *...@....
10000050: 09240200 09ad4402 098d5402 2a310400 ...... D ...... T ...... 1 *
10000060: 40111500 00000000 09240200 09ad5402 ...... @ ...... $. T ..
10000070: 00101100 00000000 098d1000 29310200 ...... 1)
10000080: 2011e303 00000000 098d0403 2931c003 ...... 1)
10000090: 20110300 00000000 0010dd03 00000000 ...............
100000a0: 098d1c00 29310080 20110600 00000000 ...... 1 ).......
100000b0: 0010d703 00000000 04248813 f00f8d06 ...... $ .....
100000c0: 00000000 f00b3c05 00000000 00000000 ...... <..........
100000d0: 00000000 00000000 00000000 00000000 ................
100000e0: 00000000 00000000 00000000 00000000 ................
100000f0: 00000000 00000000 00000000 00000000 ................
Uboot>
Is the development board company to provide U-BOOT1.1.1 program, is uboot problem or FLASH problem? Or another reason? How can this problem be solved?
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