[U-Boot] [PATCHv2] ARM: at91: atmel_nand: Support flash based BBT

[U-Boot] [PATCHv2] ARM: at91: atmel_nand: Support flash based BBT

[David Dueck]

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 Bie?mann <andreas.devel@googlemail.com>
CC: Scott Wood <scottwood@freescale.com>
---
Changes since v1:
- improve commit message
- add Reviewed-by tag

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

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)
-- 
2.3.0

[U-Boot] [PATCHv2] ARM: at91: atmel_nand: Support flash based BBT

[Josh Wu]

Hi, David

Thanks for the patch.

On 3/20/2015 5:52 PM, David Dueck wrote:
> 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 Bie?mann <andreas.devel@googlemail.com>
> CC: Scott Wood <scottwood@freescale.com>
Acked-by: Josh Wu <josh.wu@atmel.com>

Best Regards,
Josh Wu

> ---
> Changes since v1:
> - improve commit message
> - add Reviewed-by tag
>
>   drivers/mtd/nand/atmel_nand.c | 6 ++++++
>   1 file changed, 6 insertions(+)
>
> 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)

[U-Boot] [U-Boot,PATCHv2] ARM: at91: atmel_nand: Support flash based BBT

[Andreas Bießmann]

Dear David Dueck,

David Dueck <davidcdueck@googlemail.com> writes:
>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 Bie?mann <andreas.devel@googlemail.com>
>CC: Scott Wood <scottwood@freescale.com>
>Acked-by: Josh Wu <josh.wu@atmel.com>
>---
>Changes since v1:
>- improve commit message
>- add Reviewed-by tag
>
> drivers/mtd/nand/atmel_nand.c | 6 ++++++
> 1 file changed, 6 insertions(+)

applied to u-boot-atmel/master, thanks!

Best regards,
Andreas Bie?mann