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authorDavid Dueck <davidcdueck@googlemail.com>2015-03-20 10:52:49 +0100
committerAndreas Bießmann <andreas.devel@googlemail.com>2015-04-01 01:04:28 +0200
commitda78fb541494ac778a0fe66cc02e2fea33e228d9 (patch)
tree86794dd5ac8ac6bdc4c5d1c3c65b99c59821bc64
parent55ebd0c1ca41ddb1ccf6f7d172e867cfb8c68708 (diff)
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ARM: at91: atmel_nand: Support flash based BBT
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>
-rw-r--r--drivers/mtd/nand/atmel_nand.c6
1 files changed, 6 insertions, 0 deletions
diff --git a/drivers/mtd/nand/atmel_nand.c b/drivers/mtd/nand/atmel_nand.c
index b16e3aa..a2016e7 100644
--- a/drivers/mtd/nand/atmel_nand.c
+++ b/drivers/mtd/nand/atmel_nand.c
@@ -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)