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(cpe-188-129-46-109.dynamic.amis.hr. [188.129.46.109]) by smtp.googlemail.com with ESMTPSA id 4fb4d7f45d1cf-5b83bf3b21dsm5148453a12.89.2024.08.05.10.51.27 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Mon, 05 Aug 2024 10:51:27 -0700 (PDT) From: Robert Marko To: miquel.raynal@bootlin.com, richard@nod.at, vigneshr@ti.com, linux-mtd@lists.infradead.org, linux-kernel@vger.kernel.org Cc: Robert Marko Subject: [PATCH] mtd: spinand: winbond: add support for W25N01KV Date: Mon, 5 Aug 2024 19:51:02 +0200 Message-ID: <20240805175125.6658-1-robimarko@gmail.com> X-Mailer: git-send-email 2.45.2 Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable Content-Type: text/plain; charset="utf-8" Add support for Winbond W25N01KV 1Gbit SPI-NAND. It has 4-bit on-die ECC. Signed-off-by: Robert Marko --- drivers/mtd/nand/spi/winbond.c | 26 ++++++++++++++++++++++++++ 1 file changed, 26 insertions(+) diff --git a/drivers/mtd/nand/spi/winbond.c b/drivers/mtd/nand/spi/winbond.c index ba7c813b9542..f3bb81d7e460 100644 --- a/drivers/mtd/nand/spi/winbond.c +++ b/drivers/mtd/nand/spi/winbond.c @@ -76,6 +76,18 @@ static int w25m02gv_select_target(struct spinand_device = *spinand, return spi_mem_exec_op(spinand->spimem, &op); } =20 +static int w25n01kv_ooblayout_ecc(struct mtd_info *mtd, int section, + struct mtd_oob_region *region) +{ + if (section > 3) + return -ERANGE; + + region->offset =3D 64 + (8 * section); + region->length =3D 7; + + return 0; +} + static int w25n02kv_ooblayout_ecc(struct mtd_info *mtd, int section, struct mtd_oob_region *region) { @@ -100,6 +112,11 @@ static int w25n02kv_ooblayout_free(struct mtd_info *mt= d, int section, return 0; } =20 +static const struct mtd_ooblayout_ops w25n01kv_ooblayout =3D { + .ecc =3D w25n01kv_ooblayout_ecc, + .free =3D w25n02kv_ooblayout_free, +}; + static const struct mtd_ooblayout_ops w25n02kv_ooblayout =3D { .ecc =3D w25n02kv_ooblayout_ecc, .free =3D w25n02kv_ooblayout_free, @@ -163,6 +180,15 @@ static const struct spinand_info winbond_spinand_table= [] =3D { &update_cache_variants), 0, SPINAND_ECCINFO(&w25m02gv_ooblayout, NULL)), + SPINAND_INFO("W25N01KV", + SPINAND_ID(SPINAND_READID_METHOD_OPCODE_DUMMY, 0xae, 0x21), + NAND_MEMORG(1, 2048, 96, 64, 1024, 20, 1, 1, 1), + NAND_ECCREQ(4, 512), + SPINAND_INFO_OP_VARIANTS(&read_cache_variants, + &write_cache_variants, + &update_cache_variants), + 0, + SPINAND_ECCINFO(&w25n01kv_ooblayout, w25n02kv_ecc_get_status)), SPINAND_INFO("W25N02KV", SPINAND_ID(SPINAND_READID_METHOD_OPCODE_DUMMY, 0xaa, 0x22), NAND_MEMORG(1, 2048, 128, 64, 2048, 40, 1, 1, 1), --=20 2.45.2