Devices: TI AM335X
Boot Version：2011.09-svn145389
Kernel Version: Linux-3.2.0
Fault description: After the machine is powered on, the display screen is black, and it cannot be turned on. According to the log, uboot reports an error when reading the nand-flash device. "No NAND devices found"
The engineer tried to reprogram the uboot and kernel or replace the new NAND chip, but it couldn't work properly.
Could you give our customer some help? How to debug this problem.
Thank you very much.
