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From: "Andreas Bießmann" <andreas.devel@googlemail.com>
To: u-boot@lists.denx.de
Subject: [U-Boot] [PATCH] MTD: atmel_nand: support for software BCH ECC
Date: Wed, 04 Sep 2013 12:23:22 +0200	[thread overview]
Message-ID: <52270A1A.2080205@gmail.com> (raw)
In-Reply-To: <1377701666-9632-1-git-send-email-voice.shen@gmail.com>

Hi Bo,

On 08/28/2013 04:54 PM, Bo Shen wrote:
> Add possible to use software BCH ECC for atmel nand driver
> 
> Signed-off-by: Bo Shen <voice.shen@gmail.com>
> 
> ---
>  drivers/mtd/nand/atmel_nand.c |    4 ++++
>  1 file changed, 4 insertions(+)
> 
> diff --git a/drivers/mtd/nand/atmel_nand.c b/drivers/mtd/nand/atmel_nand.c
> index 96aca00..52efbee 100644
> --- a/drivers/mtd/nand/atmel_nand.c
> +++ b/drivers/mtd/nand/atmel_nand.c
> @@ -1177,7 +1177,11 @@ int atmel_nand_chip_init(int devnum, ulong base_addr)
>  	mtd->priv = nand;
>  	nand->IO_ADDR_R = nand->IO_ADDR_W = (void  __iomem *)base_addr;
>  
> +#ifdef CONFIG_NAND_ECC_BCH
> +	nand->ecc.mode = NAND_ECC_SOFT_BCH;
> +#else
>  	nand->ecc.mode = NAND_ECC_SOFT;
> +#endif

I don't think this is enough for sw supported bch. Where do you feed the
libbch?

Best regards

Andreas Bie?mann

  reply	other threads:[~2013-09-04 10:23 UTC|newest]

Thread overview: 9+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2013-08-28 14:54 [U-Boot] [PATCH] MTD: atmel_nand: support for software BCH ECC Bo Shen
2013-09-04 10:23 ` Andreas Bießmann [this message]
2013-09-04 12:11   ` Bo Shen
2013-09-04 12:30     ` Andreas Bießmann
2013-09-04 12:46       ` Bo Shen
2013-09-04 15:15         ` Andreas Bießmann
2013-09-04 19:44           ` Scott Wood
2013-09-05  6:28             ` Andreas Bießmann
2013-09-05 17:25               ` Scott Wood

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