From mboxrd@z Thu Jan 1 00:00:00 1970 From: =?UTF-8?Q?Andreas_Bie=c3=9fmann?= Date: Tue, 2 Feb 2016 09:21:32 +0100 Subject: [U-Boot] [PATCH 2/2] atmel_nand: Add 32 bit ecc support for sama5d2 chip In-Reply-To: <1448354042-27066-3-git-send-email-josh.wu@atmel.com> References: <1448354042-27066-1-git-send-email-josh.wu@atmel.com> <1448354042-27066-3-git-send-email-josh.wu@atmel.com> Message-ID: <56B0670C.7080306@gmail.com> List-Id: MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit To: u-boot@lists.denx.de On 24.11.2015 09:34, Josh Wu wrote: > Also if minimum ecc requirment is bigger then what we support, then just > use our maxium pmecc support. > But it is not safe, so we'll output a warning about this. > > Signed-off-by: Josh Wu Reviewed-by: Andreas Bie?mann > --- > > drivers/mtd/nand/atmel_nand.c | 10 +++++++++- > 1 file changed, 9 insertions(+), 1 deletion(-) > > diff --git a/drivers/mtd/nand/atmel_nand.c b/drivers/mtd/nand/atmel_nand.c > index 2967eee..bb54e0f 100644 > --- a/drivers/mtd/nand/atmel_nand.c > +++ b/drivers/mtd/nand/atmel_nand.c > @@ -80,6 +80,7 @@ static struct nand_ecclayout atmel_pmecc_oobinfo; > * 8-bits 13-bytes 14-bytes > * 12-bits 20-bytes 21-bytes > * 24-bits 39-bytes 42-bytes > + * 32-bits 52-bytes 56-bytes > */ > static int pmecc_get_ecc_bytes(int cap, int sector_size) > { > @@ -638,6 +639,9 @@ static void atmel_pmecc_core_init(struct mtd_info *mtd) > case 24: > val = PMECC_CFG_BCH_ERR24; > break; > + case 32: > + val = PMECC_CFG_BCH_ERR32; > + break; > } > > if (host->pmecc_sector_size == 512) > @@ -723,7 +727,11 @@ static int pmecc_choose_ecc(struct atmel_nand_host *host, > else if (*cap <= 24) > host->pmecc_corr_cap = 24; > else > - return -EINVAL; > +#ifdef CONFIG_SAMA5D2 > + host->pmecc_corr_cap = 32; > +#else > + host->pmecc_corr_cap = 24; > +#endif > } > if (host->pmecc_sector_size == 0) { > /* use the most fitable sector size (the near smaller one ) */ >