On 10:36 Sat 07 Dec , Eric B??nard wrote:
> this is usefull for custom boards with different NAND flashs
> (for informations u-boot defaults chip_delay to 75)
drop this comment on u-boot as in barebox we use the kernel driver
>
> Signed-off-by: Eric Bénard <eric@xxxxxxxxxx>
> ---
> arch/arm/mach-at91/include/mach/board.h | 1 +
> drivers/mtd/nand/atmel_nand.c | 5 ++++-
> 2 files changed, 5 insertions(+), 1 deletion(-)
>
> diff --git a/arch/arm/mach-at91/include/mach/board.h b/arch/arm/mach-at91/include/mach/board.h
> index aa0fdae..4e6fa8b 100644
> --- a/arch/arm/mach-at91/include/mach/board.h
> +++ b/arch/arm/mach-at91/include/mach/board.h
> @@ -64,6 +64,7 @@ struct atmel_nand_data {
> u8 ecc_mode; /* NAND_ECC_* */
> u8 on_flash_bbt; /* Use flash based bbt */
> u8 bus_on_d0;
> + int chip_delay;
>
> u8 pmecc_corr_cap;
> u16 pmecc_sector_size;
> diff --git a/drivers/mtd/nand/atmel_nand.c b/drivers/mtd/nand/atmel_nand.c
> index 658ae52..2ff7427 100644
> --- a/drivers/mtd/nand/atmel_nand.c
> +++ b/drivers/mtd/nand/atmel_nand.c
> @@ -1161,7 +1161,10 @@ static int __init atmel_nand_probe(struct device_d *dev)
> nand_chip->ecc.mode = NAND_ECC_HW;
> }
>
> - nand_chip->chip_delay = 20; /* 20us command delay time */
> + if (host->board->chip_delay > 0)
> + nand_chip->chip_delay = host->board->chip_delay;
> + else
> + nand_chip->chip_delay = 20; /* 20us command delay time */
>
> if (host->board->bus_width_16) { /* 16-bit bus width */
> nand_chip->options |= NAND_BUSWIDTH_16;
> --
> 1.8.3.1
>
>
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