[U-Boot] A problem about using the nand command

2012-04-25 Thread li guohu
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 0x200 0x0 0x800 md 0x200 I should see 2K bytes of "0xFF" because I have erase the whole nand flash device. Actually, I find a

[U-Boot] some questions about u-boot

2012-04-07 Thread li guohu
Hello, I am a newbie in the world of u-boot. There are three questions when I am using the u-boot. Can someone help me? 1. Before the u-boot enter the command line, some error like "Error: environment overflow " happens. The space in the ram used to save the environment variables are 0x2000