> > Hi, > I know this message is about 18 months old. I am using Uboot 2008.10, > which > seems to not include support for creating the Nand BBT (bad block table). > Was this patch released and if so when? Forgive me as I don't know how to > find out. > > How best to add BBT support to Uboot? I need to have a BBT created such > that > Linux can use it when it loads.
> U-Boot supports creating a bad block table in flash, and has done so since > before 2008.10 (assuming you're not using legacy NAND). Whether it does > this depends on whether the NAND driver requests it with NAND_BBT_CREATE > in > nand_bbt_descr.options and NAND_USE_FLASH_BBT in nand_chip.options. I REALLY appreciate your help. I see in drivers/mtd/nand/nand_bbt.c where it checks for NAND_BBT_CREATE. What I don't see is where/how this gets set. Is there a config file that sets this? thanks, Steve > Linux can also create this table. Either way, it only needs to be done > once, not on every boot. > What the patch you quote does, as far as I can tell without what's been > snipped, is allow a new bad block table to be created when erasing the > entire chip. Normally the bad block table would be excluded from a > full-chip erase. -- View this message in context: http://old.nabble.com/-PATCH--add-explicit-bbt-creation-to-commandline-tp18299804p27566937.html Sent from the Uboot - Users mailing list archive at Nabble.com. _______________________________________________ U-Boot mailing list U-Boot@lists.denx.de http://lists.denx.de/mailman/listinfo/u-boot
