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[80.82.37.40]) by smtp.gmail.com with ESMTPSA id 38308e7fff4ca-2ec5d2c3446sm4011481fa.38.2024.06.23.23.13.07 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Sun, 23 Jun 2024 23:13:08 -0700 (PDT) From: Maxim Anisimov To: Cc: maxim.anisimov.ua@gmail.com, Miquel Raynal , Richard Weinberger , Vignesh Raghavendra , Martin Kurbanov , Michael Walle , Mark Brown , "Chia-Lin Kao (AceLan)" , linux-kernel@vger.kernel.org, linux-mtd@lists.infradead.org Subject: [PATCH] mtd: spinand: Add support for HeYangTek HYF1GQ4UDACAE Date: Mon, 24 Jun 2024 09:12:17 +0300 Message-ID: <20240624061246.5292-1-maxim.anisimov.ua@gmail.com> X-Mailer: git-send-email 2.45.1 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 HeYangTek HYF1GQ4UDACAE SPI NAND. Datasheet Link: - https://www.heyangtek.cn/previewfile.jsp?file=3DABUIABA9GAAgwsvRnwYo-eDps= gc Signed-off-by: Maxim Anisimov --- drivers/mtd/nand/spi/Makefile | 4 +- drivers/mtd/nand/spi/core.c | 1 + drivers/mtd/nand/spi/heyangtek.c | 112 +++++++++++++++++++++++++++++++ include/linux/mtd/spinand.h | 1 + 4 files changed, 116 insertions(+), 2 deletions(-) create mode 100644 drivers/mtd/nand/spi/heyangtek.c diff --git a/drivers/mtd/nand/spi/Makefile b/drivers/mtd/nand/spi/Makefile index 19cc77288ebb..69d95fbdd0ce 100644 --- a/drivers/mtd/nand/spi/Makefile +++ b/drivers/mtd/nand/spi/Makefile @@ -1,4 +1,4 @@ # SPDX-License-Identifier: GPL-2.0 -spinand-objs :=3D core.o alliancememory.o ato.o esmt.o foresee.o gigadevic= e.o macronix.o -spinand-objs +=3D micron.o paragon.o toshiba.o winbond.o xtx.o +spinand-objs :=3D core.o alliancememory.o ato.o esmt.o foresee.o gigadevic= e.o heyangtek.o +spinand-objs +=3D macronix.o micron.o paragon.o toshiba.o winbond.o xtx.o obj-$(CONFIG_MTD_SPI_NAND) +=3D spinand.o diff --git a/drivers/mtd/nand/spi/core.c b/drivers/mtd/nand/spi/core.c index e0b6715e5dfe..45795e5f1e49 100644 --- a/drivers/mtd/nand/spi/core.c +++ b/drivers/mtd/nand/spi/core.c @@ -942,6 +942,7 @@ static const struct spinand_manufacturer *spinand_manuf= acturers[] =3D { &esmt_c8_spinand_manufacturer, &foresee_spinand_manufacturer, &gigadevice_spinand_manufacturer, + &heyangtek_spinand_manufacturer, ¯onix_spinand_manufacturer, µn_spinand_manufacturer, ¶gon_spinand_manufacturer, diff --git a/drivers/mtd/nand/spi/heyangtek.c b/drivers/mtd/nand/spi/heyang= tek.c new file mode 100644 index 000000000000..d4a5dbca40fb --- /dev/null +++ b/drivers/mtd/nand/spi/heyangtek.c @@ -0,0 +1,112 @@ +// SPDX-License-Identifier: GPL-2.0 +/* + * Author: + * Andrey Zolotarev - the main driver= logic + * Maxim Anisimov - adaptation to mainl= ine linux kernel + * + * Based on: + * https://github.com/keenetic/kernel-49/commit/bacade569fb12bc0ad31b= a09bca9b890118fbca7 + */ + +#include +#include +#include + +#define SPINAND_MFR_HEYANGTEK 0xC9 + +#define STATUS_ECC_LIMIT_BITFLIPS (3 << 4) + +static SPINAND_OP_VARIANTS(read_cache_variants, + SPINAND_PAGE_READ_FROM_CACHE_QUADIO_OP(0, 1, NULL, 0), + SPINAND_PAGE_READ_FROM_CACHE_X4_OP(0, 1, NULL, 0), + SPINAND_PAGE_READ_FROM_CACHE_DUALIO_OP(0, 1, NULL, 0), + SPINAND_PAGE_READ_FROM_CACHE_X2_OP(0, 1, NULL, 0), + SPINAND_PAGE_READ_FROM_CACHE_OP(true, 0, 1, NULL, 0), + SPINAND_PAGE_READ_FROM_CACHE_OP(false, 0, 1, NULL, 0)); + +static SPINAND_OP_VARIANTS(write_cache_variants, + SPINAND_PROG_LOAD_X4(true, 0, NULL, 0), + SPINAND_PROG_LOAD(true, 0, NULL, 0)); + +static SPINAND_OP_VARIANTS(update_cache_variants, + SPINAND_PROG_LOAD_X4(false, 0, NULL, 0), + SPINAND_PROG_LOAD(false, 0, NULL, 0)); + +static int hyfxgq4uda_ooblayout_ecc(struct mtd_info *mtd, int section, + struct mtd_oob_region *region) +{ + if (section > 3) + return -ERANGE; + + region->offset =3D section * 16 + 8; + region->length =3D 8; + + return 0; +} + +static int hyfxgq4uda_ooblayout_free(struct mtd_info *mtd, int section, + struct mtd_oob_region *region) +{ + if (section > 3) + return -ERANGE; + + /* ECC-protected user meta-data */ + region->offset =3D section * 16 + 4; + region->length =3D 4; + + return 0; +} + +static const struct mtd_ooblayout_ops hyfxgq4uda_ooblayout =3D { + .ecc =3D hyfxgq4uda_ooblayout_ecc, + .free =3D hyfxgq4uda_ooblayout_free, +}; + +static int hyfxgq4uda_ecc_get_status(struct spinand_device *spinand, + u8 status) +{ + struct nand_device *nand =3D spinand_to_nand(spinand); + + switch (status & STATUS_ECC_MASK) { + case STATUS_ECC_NO_BITFLIPS: + return 0; + + case STATUS_ECC_UNCOR_ERROR: + return -EBADMSG; + + case STATUS_ECC_HAS_BITFLIPS: + return nanddev_get_ecc_conf(nand)->strength >> 1; + + case STATUS_ECC_LIMIT_BITFLIPS: + return nanddev_get_ecc_conf(nand)->strength; + + default: + break; + } + + return -EINVAL; +} + +static const struct spinand_info heyangtek_spinand_table[] =3D { + SPINAND_INFO("HYF1GQ4UDACAE", + SPINAND_ID(SPINAND_READID_METHOD_OPCODE_ADDR, 0x21), + NAND_MEMORG(1, 2048, 64, 64, 1024, 20, 1, 1, 1), + NAND_ECCREQ(4, 512), + SPINAND_INFO_OP_VARIANTS(&read_cache_variants, + &write_cache_variants, + &update_cache_variants), + SPINAND_HAS_QE_BIT, + SPINAND_ECCINFO(&hyfxgq4uda_ooblayout, + hyfxgq4uda_ecc_get_status)), +}; + +static const struct spinand_manufacturer_ops heyangtek_spinand_manuf_ops = =3D { +}; + +const struct spinand_manufacturer heyangtek_spinand_manufacturer =3D { + .id =3D SPINAND_MFR_HEYANGTEK, + .name =3D "HeYangTek", + .chips =3D heyangtek_spinand_table, + .nchips =3D ARRAY_SIZE(heyangtek_spinand_table), + .ops =3D &heyangtek_spinand_manuf_ops, +}; diff --git a/include/linux/mtd/spinand.h b/include/linux/mtd/spinand.h index 5c19ead60499..06ee35a27e3b 100644 --- a/include/linux/mtd/spinand.h +++ b/include/linux/mtd/spinand.h @@ -265,6 +265,7 @@ extern const struct spinand_manufacturer ato_spinand_ma= nufacturer; extern const struct spinand_manufacturer esmt_c8_spinand_manufacturer; extern const struct spinand_manufacturer foresee_spinand_manufacturer; extern const struct spinand_manufacturer gigadevice_spinand_manufacturer; +extern const struct spinand_manufacturer heyangtek_spinand_manufacturer; extern const struct spinand_manufacturer macronix_spinand_manufacturer; extern const struct spinand_manufacturer micron_spinand_manufacturer; extern const struct spinand_manufacturer paragon_spinand_manufacturer; --=20 2.45.1