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Date: Wed, 16 Jan 2019 12:58:48 +0000
From: Schrempf Frieder <frieder.schrempf@...tron.de>
To: Yoshio Furuyama <tmcmc-mb-yfuruyama7@...toshiba.co.jp>,
"bbrezillon@...nel.org" <bbrezillon@...nel.org>,
"miquel.raynal@...tlin.com" <miquel.raynal@...tlin.com>
CC: "richard@....at" <richard@....at>,
"dwmw2@...radead.org" <dwmw2@...radead.org>,
"computersforpeace@...il.com" <computersforpeace@...il.com>,
"marek.vasut@...il.com" <marek.vasut@...il.com>,
"peron.clem@...il.com" <peron.clem@...il.com>,
"linux-mtd@...ts.infradead.org" <linux-mtd@...ts.infradead.org>,
"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH] mtd: spinand: Add support for all Toshiba Memory products
On 16.01.19 06:53, Yoshio Furuyama wrote:
> Add device table for Toshiba Memory products.
> Also, generalize OOB layout structure and function names.
>
> Signed-off-by: Yoshio Furuyama <tmcmc-mb-yfuruyama7@...toshiba.co.jp>
Reviewed-by: Frieder Schrempf <frieder.schrempf@...tron.de>
>
> ---
> drivers/mtd/nand/spi/toshiba.c | 79 +++++++++++++++++++++++++++++++++-------
> 1 file changed, 65 insertions(+), 14 deletions(-)
>
> diff --git a/drivers/mtd/nand/spi/toshiba.c b/drivers/mtd/nand/spi/toshiba.c
> index 0812655..0916962 100644
> --- a/drivers/mtd/nand/spi/toshiba.c
> +++ b/drivers/mtd/nand/spi/toshiba.c
> @@ -25,19 +25,19 @@ static SPINAND_OP_VARIANTS(write_cache_variants,
> static SPINAND_OP_VARIANTS(update_cache_variants,
> SPINAND_PROG_LOAD(false, 0, NULL, 0));
>
> -static int tc58cvg2s0h_ooblayout_ecc(struct mtd_info *mtd, int section,
> +static int tc58cxgxsx_ooblayout_ecc(struct mtd_info *mtd, int section,
> struct mtd_oob_region *region)
> {
> - if (section > 7)
> + if (section > 0)
> return -ERANGE;
>
> - region->offset = 128 + 16 * section;
> - region->length = 16;
> + region->offset = mtd->oobsize / 2;
> + region->length = mtd->oobsize / 2;
>
> return 0;
> }
>
> -static int tc58cvg2s0h_ooblayout_free(struct mtd_info *mtd, int section,
> +static int tc58cxgxsx_ooblayout_free(struct mtd_info *mtd, int section,
> struct mtd_oob_region *region)
> {
> if (section > 0)
> @@ -45,17 +45,17 @@ static int tc58cvg2s0h_ooblayout_free(struct mtd_info *mtd, int section,
>
> /* 2 bytes reserved for BBM */
> region->offset = 2;
> - region->length = 126;
> + region->length = mtd->oobsize / 2 - 2;
>
> return 0;
> }
>
> -static const struct mtd_ooblayout_ops tc58cvg2s0h_ooblayout = {
> - .ecc = tc58cvg2s0h_ooblayout_ecc,
> - .free = tc58cvg2s0h_ooblayout_free,
> +static const struct mtd_ooblayout_ops tc58cxgxsx_ooblayout = {
> + .ecc = tc58cxgxsx_ooblayout_ecc,
> + .free = tc58cxgxsx_ooblayout_free,
> };
>
> -static int tc58cvg2s0h_ecc_get_status(struct spinand_device *spinand,
> +static int tc58cxgxsx_ecc_get_status(struct spinand_device *spinand,
> u8 status)
> {
> struct nand_device *nand = spinand_to_nand(spinand);
> @@ -94,15 +94,66 @@ static int tc58cvg2s0h_ecc_get_status(struct spinand_device *spinand,
> }
>
> static const struct spinand_info toshiba_spinand_table[] = {
> - SPINAND_INFO("TC58CVG2S0H", 0xCD,
> + /* 3.3V 1Gb */
> + SPINAND_INFO("TC58CVG0S3", 0xC2,
> + NAND_MEMORG(1, 2048, 128, 64, 1024, 1, 1, 1),
> + NAND_ECCREQ(8, 512),
> + SPINAND_INFO_OP_VARIANTS(&read_cache_variants,
> + &write_cache_variants,
> + &update_cache_variants),
> + 0,
> + SPINAND_ECCINFO(&tc58cxgxsx_ooblayout,
> + tc58cxgxsx_ecc_get_status)),
> + /* 3.3V 2Gb */
> + SPINAND_INFO("TC58CVG1S3", 0xCB,
> + NAND_MEMORG(1, 2048, 128, 64, 2048, 1, 1, 1),
> + NAND_ECCREQ(8, 512),
> + SPINAND_INFO_OP_VARIANTS(&read_cache_variants,
> + &write_cache_variants,
> + &update_cache_variants),
> + 0,
> + SPINAND_ECCINFO(&tc58cxgxsx_ooblayout,
> + tc58cxgxsx_ecc_get_status)),
> + /* 3.3V 4Gb */
> + SPINAND_INFO("TC58CVG2S0", 0xCD,
> + NAND_MEMORG(1, 4096, 256, 64, 2048, 1, 1, 1),
> + NAND_ECCREQ(8, 512),
> + SPINAND_INFO_OP_VARIANTS(&read_cache_variants,
> + &write_cache_variants,
> + &update_cache_variants),
> + 0,
> + SPINAND_ECCINFO(&tc58cxgxsx_ooblayout,
> + tc58cxgxsx_ecc_get_status)),
> + /* 1.8V 1Gb */
> + SPINAND_INFO("TC58CYG0S3", 0xB2,
> + NAND_MEMORG(1, 2048, 128, 64, 1024, 1, 1, 1),
> + NAND_ECCREQ(8, 512),
> + SPINAND_INFO_OP_VARIANTS(&read_cache_variants,
> + &write_cache_variants,
> + &update_cache_variants),
> + 0,
> + SPINAND_ECCINFO(&tc58cxgxsx_ooblayout,
> + tc58cxgxsx_ecc_get_status)),
> + /* 1.8V 2Gb */
> + SPINAND_INFO("TC58CYG1S3", 0xBB,
> + NAND_MEMORG(1, 2048, 128, 64, 2048, 1, 1, 1),
> + NAND_ECCREQ(8, 512),
> + SPINAND_INFO_OP_VARIANTS(&read_cache_variants,
> + &write_cache_variants,
> + &update_cache_variants),
> + 0,
> + SPINAND_ECCINFO(&tc58cxgxsx_ooblayout,
> + tc58cxgxsx_ecc_get_status)),
> + /* 1.8V 4Gb */
> + SPINAND_INFO("TC58CYG2S0", 0xBD,
> NAND_MEMORG(1, 4096, 256, 64, 2048, 1, 1, 1),
> NAND_ECCREQ(8, 512),
> SPINAND_INFO_OP_VARIANTS(&read_cache_variants,
> &write_cache_variants,
> &update_cache_variants),
> - SPINAND_HAS_QE_BIT,
> - SPINAND_ECCINFO(&tc58cvg2s0h_ooblayout,
> - tc58cvg2s0h_ecc_get_status)),
> + 0,
> + SPINAND_ECCINFO(&tc58cxgxsx_ooblayout,
> + tc58cxgxsx_ecc_get_status)),
> };
>
> static int toshiba_spinand_detect(struct spinand_device *spinand)
>
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