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U-BOOT nand flash bad block management test records

Source: Internet
Author: User
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Mail: bookworepeng@Hotmail.com

Qq: 196568501

Author: DriveMonkey

Phone: 13410905075

Test procedure:

Step 1: use u-boot to burn kernel to nand

Step 2: manually mark a block in the kernel area as bad block in u-boot. kernel cannot be used up Step 3: Re-burn the kernel in u-boot to find that u-boot will automatically skip the bad block Partition kernel. Conclusion: 1. during system operation, if a bad block occurs in the kernel, the system will never start. 2. the system automatically skips Bad blocks during the upgrade process and saves the data to the next block.
System Startup will not be affected

3. General mechanisms are also used to burn and write nand flash in the kernel.

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