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ARM: at91: atmel_nand: Support flash based BBT

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Add support for on-flash bad block table. This makes U-Boot handle an existing
BBT correctly.

Signed-off-by: David Dueck <davidcdueck@googlemail.com>
Reviewed-by: Boris BREZILLON <boris.brezillon@free-electrons.com>
CC: Boris BREZILLON <boris.brezillon@free-electrons.com>
CC: Josh Wu <josh.wu@atmel.com>
CC: Andreas Bießmann <andreas.devel@googlemail.com>
CC: Scott Wood <scottwood@freescale.com>
Acked-by: Josh Wu <josh.wu@atmel.com>
This commit is contained in:
David Dueck 2015-03-20 10:52:49 +01:00 committed by Andreas Bießmann
parent 55ebd0c1ca
commit da78fb5414
1 changed files with 6 additions and 0 deletions
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6
drivers/mtd/nand/atmel_nand.c
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@ -1456,6 +1456,9 @@ int board_nand_init(struct nand_chip *nand)
nand->dev_ready = at91_nand_wait_ready;
#endif
nand->chip_delay = 20;
#ifdef CONFIG_SYS_NAND_USE_FLASH_BBT
nand->bbt_options |= NAND_BBT_USE_FLASH;
#endif
#ifdef CONFIG_ATMEL_NAND_HWECC
#ifdef CONFIG_ATMEL_NAND_HW_PMECC
@ -1522,6 +1525,9 @@ int atmel_nand_chip_init(int devnum, ulong base_addr)
nand->dev_ready = at91_nand_ready;
#endif
nand->chip_delay = 75;
#ifdef CONFIG_SYS_NAND_USE_FLASH_BBT
nand->bbt_options |= NAND_BBT_USE_FLASH;
#endif
ret = nand_scan_ident(mtd, CONFIG_SYS_NAND_MAX_CHIPS, NULL);
if (ret)