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 <[email protected]>

Reviewed-by Boris BREZILLON <[email protected]>

CC Boris BREZILLON <[email protected]>

CC Josh Wu <[email protected]>

CC Andreas Bie?mann <[email protected]>

CC Scott Wood <[email protected]>

---
Changes since v1:
- improve commit message
- add Reviewed-by tag

  drivers/mtd/nand/atmel_nand.c | 6 ++++++
  1 file changed, 6 insertions(+)

drivers/mtd/nand/atmel_nand.c +6 -0

index b16e3aa..a2016e7 100644
@@ -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)

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

Signed-off-by David Dueck <[email protected]>

Reviewed-by Boris BREZILLON <[email protected]>

CC Boris BREZILLON <[email protected]>

CC Josh Wu <[email protected]>

CC Andreas Bie?mann <[email protected]>

CC Scott Wood <[email protected]>

Acked-by Josh Wu <[email protected]>

---
Changes since v1:
- improve commit message
- add Reviewed-by tag

drivers/mtd/nand/atmel_nand.c | 6 ++++++

1 file changed, 6 insertions(+)