On 04/25/2012 09:07 PM, li guohu wrote: > > Hello, everyone! > I find a strange problem when I use the u-boot command. I list the command I > used in the u-boot command line as follows. > > nand erase > nand read 0x2000000 0x0 0x800 > md 0x2000000 > > I should see 2K bytes of "0xFF" because I have erase the whole nand flash > device.
What version of U-Boot are you using? With modern U-Boot you need "nand erase.chip". Please try with current U-Boot. > Actually, I find a "0xFD" in one address. > Then I try display some other contend of the nand flash. I can also find one > "0xFD" in every 2K address space. It is so strange. What board/driver? What do you see if you list the bad blocks? -Scott _______________________________________________ U-Boot mailing list U-Boot@lists.denx.de http://lists.denx.de/mailman/listinfo/u-boot
