From 911bb5158a517f99bb13219a8677ee0a49ef8a37 Mon Sep 17 00:00:00 2001 From: Jon Lin Date: Sun, 17 Oct 2021 10:01:55 +0800 Subject: [PATCH] mtd: spinand: Support foresee FS35ND01G-S1Y2, FS35ND02G-S3Y2, FS35ND04G-S2Y2, fsxxndxxg Change-Id: Icdff45a209b5aa4dd2827e0e58bd543a84f9d809 Signed-off-by: Jon Lin --- drivers/mtd/nand/spi/Makefile | 2 +- drivers/mtd/nand/spi/core.c | 1 + drivers/mtd/nand/spi/foresee.c | 102 +++++++++++++++++++++++++++++++++ include/linux/mtd/spinand.h | 1 + 4 files changed, 105 insertions(+), 1 deletion(-) create mode 100644 drivers/mtd/nand/spi/foresee.c diff --git a/drivers/mtd/nand/spi/Makefile b/drivers/mtd/nand/spi/Makefile index 3ce178790159..14270d066656 100644 --- a/drivers/mtd/nand/spi/Makefile +++ b/drivers/mtd/nand/spi/Makefile @@ -1,3 +1,3 @@ # SPDX-License-Identifier: GPL-2.0 -spinand-objs := biwin.o core.o dosilicon.o esmt.o etron.o fmsh.o gigadevice.o macronix.o micron.o paragon.o toshiba.o winbond.o +spinand-objs := biwin.o core.o dosilicon.o esmt.o etron.o fmsh.o foresee.o gigadevice.o macronix.o micron.o paragon.o toshiba.o winbond.o obj-$(CONFIG_MTD_SPI_NAND) += spinand.o diff --git a/drivers/mtd/nand/spi/core.c b/drivers/mtd/nand/spi/core.c index 8e8edfe3c96b..206351275b24 100644 --- a/drivers/mtd/nand/spi/core.c +++ b/drivers/mtd/nand/spi/core.c @@ -854,6 +854,7 @@ static const struct spinand_manufacturer *spinand_manufacturers[] = { &esmt_spinand_manufacturer, &etron_spinand_manufacturer, &fmsh_spinand_manufacturer, + &foresee_spinand_manufacturer, &gigadevice_spinand_manufacturer, ¯onix_spinand_manufacturer, µn_spinand_manufacturer, diff --git a/drivers/mtd/nand/spi/foresee.c b/drivers/mtd/nand/spi/foresee.c new file mode 100644 index 000000000000..bb7d5e719149 --- /dev/null +++ b/drivers/mtd/nand/spi/foresee.c @@ -0,0 +1,102 @@ +// SPDX-License-Identifier: GPL-2.0 +/* + * Copyright (c) 2020 Grandstream Networks, Inc + * + * Authors: + * Carl + */ + +#include +#include +#include + +#define SPINAND_MFR_FORESEE 0xCD + +static SPINAND_OP_VARIANTS(read_cache_variants, + SPINAND_PAGE_READ_FROM_CACHE_QUADIO_OP(0, 2, 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 fsxxndxxg_ooblayout_ecc(struct mtd_info *mtd, int section, + struct mtd_oob_region *region) +{ + return -ERANGE; +} + +static int fsxxndxxg_ooblayout_free(struct mtd_info *mtd, int section, + struct mtd_oob_region *region) +{ + if (section) + return -ERANGE; + + region->offset = 2; + region->length = mtd->oobsize - 2; + + return 0; +} + +static const struct mtd_ooblayout_ops fsxxndxxg_ooblayout = { + .ecc = fsxxndxxg_ooblayout_ecc, + .free = fsxxndxxg_ooblayout_free, +}; + +static const struct spinand_info foresee_spinand_table[] = { + SPINAND_INFO("FS35ND01G-S1Y2", + SPINAND_ID(SPINAND_READID_METHOD_OPCODE_DUMMY, 0xEA), + 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), + 0, + SPINAND_ECCINFO(&fsxxndxxg_ooblayout, NULL)), + SPINAND_INFO("FS35ND02G-S3Y2", + SPINAND_ID(SPINAND_READID_METHOD_OPCODE_DUMMY, 0xEB), + NAND_MEMORG(1, 2048, 64, 64, 2048, 40, 1, 1, 1), + NAND_ECCREQ(4, 512), + SPINAND_INFO_OP_VARIANTS(&read_cache_variants, + &write_cache_variants, + &update_cache_variants), + 0, + SPINAND_ECCINFO(&fsxxndxxg_ooblayout, NULL)), + SPINAND_INFO("FS35ND04G-S2Y2", + SPINAND_ID(SPINAND_READID_METHOD_OPCODE_DUMMY, 0xEC), + NAND_MEMORG(1, 2048, 64, 64, 4096, 80, 1, 1, 1), + NAND_ECCREQ(4, 512), + SPINAND_INFO_OP_VARIANTS(&read_cache_variants, + &write_cache_variants, + &update_cache_variants), + 0, + SPINAND_ECCINFO(&fsxxndxxg_ooblayout, NULL)), + SPINAND_INFO("fsxxndxxg", + SPINAND_ID(SPINAND_READID_METHOD_OPCODE_DUMMY, 0x71), + NAND_MEMORG(1, 2048, 64, 64, 1024, 20, 1, 1, 1), + NAND_ECCREQ(1, 512), + SPINAND_INFO_OP_VARIANTS(&read_cache_variants, + &write_cache_variants, + &update_cache_variants), + SPINAND_HAS_QE_BIT, + SPINAND_ECCINFO(&fsxxndxxg_ooblayout, NULL)), +}; + +static const struct spinand_manufacturer_ops foresee_spinand_manuf_ops = { +}; + +const struct spinand_manufacturer foresee_spinand_manufacturer = { + .id = SPINAND_MFR_FORESEE, + .name = "foresee", + .chips = foresee_spinand_table, + .nchips = ARRAY_SIZE(foresee_spinand_table), + .ops = &foresee_spinand_manuf_ops, +}; diff --git a/include/linux/mtd/spinand.h b/include/linux/mtd/spinand.h index 6f2260f6e118..781941661d14 100644 --- a/include/linux/mtd/spinand.h +++ b/include/linux/mtd/spinand.h @@ -243,6 +243,7 @@ extern const struct spinand_manufacturer dosilicon_spinand_manufacturer; extern const struct spinand_manufacturer esmt_spinand_manufacturer; extern const struct spinand_manufacturer etron_spinand_manufacturer; extern const struct spinand_manufacturer fmsh_spinand_manufacturer; +extern const struct spinand_manufacturer foresee_spinand_manufacturer; extern const struct spinand_manufacturer gigadevice_spinand_manufacturer; extern const struct spinand_manufacturer macronix_spinand_manufacturer; extern const struct spinand_manufacturer micron_spinand_manufacturer;