Re: [U-Boot] [PATCH v6 4/7] jz4740 nand driver

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On 03/26/2011 12:04 AM, Scott Wood wrote:

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hmm... some question. a little confuse.

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1. I using all rest of nand as rootfs partition. do I have keep some space in nand for BBT?

The last block or so is marked reserved for the BBT.

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2. do I have to tell u-boot where is the BBT?

No, it's marked with a special OOB marker. If it isn't present, it will create it at the end of the chip.

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3. do I need some configure in linux kernel for BBT?

Set the nand->options flag, same as in U-Boot.

thanks for the info. will enable the BBT in next series patches

- -- Best Regards Xiangfu Liu http://www.openmobilefree.net