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uboot 写nand flash之后,无法启动



你好:

      uboot 写nand flash之后,提示nand write ok。  然后 reset,系统无法启动。

请问一下可能是什么问题?

Flashing 1st stage to NAND from 2nd stage

Flash U-Boot-MIN for NAND (u-boot.min.nand) to NAND by executing the following commands:

TI8148_EVM# mw.b 0x81000000 0xFF 0x20000
TI8148_EVM# loadb 0x81000000
TI8148_EVM# nand erase 0x0 0x20000
TI8148_EVM# nandecc hw 2
TI8148_EVM# nand write.i 0x81000000 0x0 0x20000
TI8148_EVM# nandecc hw 0

参考了: