From cead43cc5781492f2706eeed1157c8986a216bc9 Mon Sep 17 00:00:00 2001 From: Jon Lin Date: Sun, 17 Oct 2021 09:51:39 +0800 Subject: [PATCH] mtd: spinand: Support dosilicon DS35X1GA, DS35Q2GA, DS35M1GA, DS35M2GA, DS35Q2GB, DS35M1GB Change-Id: I5aeb0219f01dbe98d36b398e66b94ab31b07788e Signed-off-by: Jon Lin --- drivers/mtd/nand/spi/Makefile | 2 +- drivers/mtd/nand/spi/core.c | 1 + drivers/mtd/nand/spi/dosilicon.c | 187 +++++++++++++++++++++++++++++++ include/linux/mtd/spinand.h | 1 + 4 files changed, 190 insertions(+), 1 deletion(-) create mode 100644 drivers/mtd/nand/spi/dosilicon.c --- a/drivers/mtd/nand/spi/Makefile +++ b/drivers/mtd/nand/spi/Makefile @@ -1,5 +1,6 @@ # SPDX-License-Identifier: GPL-2.0 spinand-objs := core.o esmt.o foresee.o etron.o gigadevice.o macronix.o micron.o paragon.o +spinand-objs += dosilicon.o spinand-objs += toshiba.o winbond.o xtx.o obj-$(CONFIG_MTD_SPI_NAND) += spinand.o --- a/drivers/mtd/nand/spi/core.c +++ b/drivers/mtd/nand/spi/core.c @@ -826,6 +826,7 @@ static const struct nand_ops spinand_ops }; static const struct spinand_manufacturer *spinand_manufacturers[] = { + &dosilicon_spinand_manufacturer, &etron_spinand_manufacturer, &gigadevice_spinand_manufacturer, ¯onix_spinand_manufacturer, --- /dev/null +++ b/drivers/mtd/nand/spi/dosilicon.c @@ -0,0 +1,283 @@ +// SPDX-License-Identifier: GPL-2.0 +/* + * Copyright (c) 2020 Rockchip Electronics Co., Ltd. + */ + +#ifndef __UBOOT__ +#include +#include +#endif +#include + +#define SPINAND_MFR_DOSILICON 0xE5 + +#define DOSICON_STATUS_ECC_MASK GENMASK(6, 4) +#define DOSICON_STATUS_ECC_NO_BITFLIPS (0 << 4) +#define DOSICON_STATUS_ECC_1TO3_BITFLIPS (1 << 4) +#define DOSICON_STATUS_ECC_4TO6_BITFLIPS (3 << 4) +#define DOSICON_STATUS_ECC_7TO8_BITFLIPS (5 << 4) + +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(true, 0, NULL, 0), + SPINAND_PROG_LOAD(true, 0, NULL, 0)); + +static int ds35xxga_ooblayout_ecc(struct mtd_info *mtd, int section, + struct mtd_oob_region *region) +{ + if (section > 3) + return -ERANGE; + + region->offset = (16 * section) + 8; + region->length = 8; + + return 0; +} + +static int ds35xxga_ooblayout_free(struct mtd_info *mtd, int section, + struct mtd_oob_region *region) +{ + if (section > 3) + return -ERANGE; + + region->offset = (16 * section) + 2; + region->length = 6; + + return 0; +} + +static const struct mtd_ooblayout_ops ds35xxga_ooblayout = { + .ecc = ds35xxga_ooblayout_ecc, + .rfree = ds35xxga_ooblayout_free, +}; + +static int ds35xxgb_ooblayout_ecc(struct mtd_info *mtd, int section, + struct mtd_oob_region *region) +{ + if (section) + return -ERANGE; + + region->offset = 64; + region->length = 64; + + return 0; +} + +static int ds35xxgb_ooblayout_free(struct mtd_info *mtd, int section, + struct mtd_oob_region *region) +{ + if (section) + return -ERANGE; + + /* Reserve 1 bytes for the BBM. */ + region->offset = 1; + region->length = 63; + + return 0; +} + +static const struct mtd_ooblayout_ops ds35xxgb_ooblayout = { + .ecc = ds35xxgb_ooblayout_ecc, + .rfree = ds35xxgb_ooblayout_free, +}; + +static int ds35xxgb_ecc_get_status(struct spinand_device *spinand, + u8 status) +{ + switch (status & DOSICON_STATUS_ECC_MASK) { + case STATUS_ECC_NO_BITFLIPS: + return 0; + + case STATUS_ECC_UNCOR_ERROR: + return -EBADMSG; + + case DOSICON_STATUS_ECC_1TO3_BITFLIPS: + return 3; + + case DOSICON_STATUS_ECC_4TO6_BITFLIPS: + return 6; + + case DOSICON_STATUS_ECC_7TO8_BITFLIPS: + return 8; + + default: + break; + } + + return -EINVAL; +} + +static const struct spinand_info dosilicon_spinand_table[] = { + SPINAND_INFO("DS35X1GA", + SPINAND_ID(SPINAND_READID_METHOD_OPCODE_DUMMY, 0x71), + 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(&ds35xxga_ooblayout, NULL)), + SPINAND_INFO("DS35Q2GA", + SPINAND_ID(SPINAND_READID_METHOD_OPCODE_DUMMY, 0x72), + NAND_MEMORG(1, 2048, 64, 64, 2048, 40, 2, 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(&ds35xxga_ooblayout, NULL)), + SPINAND_INFO("DS35M1GA", + SPINAND_ID(SPINAND_READID_METHOD_OPCODE_DUMMY, 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(&ds35xxga_ooblayout, NULL)), + SPINAND_INFO("DS35M2GA", + SPINAND_ID(SPINAND_READID_METHOD_OPCODE_DUMMY, 0x22), + NAND_MEMORG(1, 2048, 64, 64, 2048, 40, 2, 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(&ds35xxga_ooblayout, NULL)), + SPINAND_INFO("DS35Q2GB", + SPINAND_ID(SPINAND_READID_METHOD_OPCODE_DUMMY, 0xF2), + NAND_MEMORG(1, 2048, 128, 64, 2048, 40, 2, 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(&ds35xxgb_ooblayout, + ds35xxgb_ecc_get_status)), + SPINAND_INFO("DS35M1GB", + SPINAND_ID(SPINAND_READID_METHOD_OPCODE_DUMMY, 0xA1), + NAND_MEMORG(1, 2048, 128, 64, 1024, 20, 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(&ds35xxgb_ooblayout, + ds35xxgb_ecc_get_status)), + SPINAND_INFO("DS35Q1GB", + SPINAND_ID(SPINAND_READID_METHOD_OPCODE_DUMMY, 0xF1), + NAND_MEMORG(1, 2048, 128, 64, 1024, 20, 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(&ds35xxgb_ooblayout, + ds35xxgb_ecc_get_status)), + SPINAND_INFO("DS35Q4GM", + SPINAND_ID(SPINAND_READID_METHOD_OPCODE_DUMMY, 0xF4), + NAND_MEMORG(1, 2048, 128, 64, 4096, 80, 2, 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(&ds35xxgb_ooblayout, + ds35xxgb_ecc_get_status)), + SPINAND_INFO("DS35Q12B", + SPINAND_ID(SPINAND_READID_METHOD_OPCODE_DUMMY, 0xF5), + NAND_MEMORG(1, 2048, 128, 64, 512, 10, 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(&ds35xxgb_ooblayout, + ds35xxgb_ecc_get_status)), + SPINAND_INFO("DS35M12B", + SPINAND_ID(SPINAND_READID_METHOD_OPCODE_DUMMY, 0xA5), + NAND_MEMORG(1, 2048, 128, 64, 512, 10, 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(&ds35xxgb_ooblayout, + ds35xxgb_ecc_get_status)), + SPINAND_INFO("DS35Q1GD-IB", + SPINAND_ID(SPINAND_READID_METHOD_OPCODE_DUMMY, 0x51), + NAND_MEMORG(1, 2048, 128, 64, 1024, 20, 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(&ds35xxgb_ooblayout, ds35xxgb_ecc_get_status)), + SPINAND_INFO("DS35M4GB-IB", + SPINAND_ID(SPINAND_READID_METHOD_OPCODE_DUMMY, 0x64), + NAND_MEMORG(1, 2048, 128, 64, 4096, 40, 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(&ds35xxgb_ooblayout, ds35xxgb_ecc_get_status)), + SPINAND_INFO("DS35Q4GB-IB", + SPINAND_ID(SPINAND_READID_METHOD_OPCODE_DUMMY, 0xB4), + NAND_MEMORG(1, 2048, 128, 64, 4096, 40, 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(&ds35xxgb_ooblayout, ds35xxgb_ecc_get_status)), + SPINAND_INFO("DS35Q12C-IB", + SPINAND_ID(SPINAND_READID_METHOD_OPCODE_DUMMY, 0x75), + NAND_MEMORG(1, 2048, 128, 64, 512, 10, 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(&ds35xxgb_ooblayout, ds35xxgb_ecc_get_status)), + SPINAND_INFO("DS35M12C-IB", + SPINAND_ID(SPINAND_READID_METHOD_OPCODE_DUMMY, 0x25), + NAND_MEMORG(1, 2048, 128, 64, 512, 10, 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(&ds35xxgb_ooblayout, ds35xxgb_ecc_get_status)), + SPINAND_INFO("DS35Q2GBS", + SPINAND_ID(SPINAND_READID_METHOD_OPCODE_DUMMY, 0xB2), + NAND_MEMORG(1, 2048, 128, 64, 2048, 40, 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(&ds35xxgb_ooblayout, ds35xxgb_ecc_get_status)), +}; + +static const struct spinand_manufacturer_ops dosilicon_spinand_manuf_ops = { +}; + +const struct spinand_manufacturer dosilicon_spinand_manufacturer = { + .id = SPINAND_MFR_DOSILICON, + .name = "dosilicon", + .chips = dosilicon_spinand_table, + .nchips = ARRAY_SIZE(dosilicon_spinand_table), + .ops = &dosilicon_spinand_manuf_ops, +}; --- a/include/linux/mtd/spinand.h +++ b/include/linux/mtd/spinand.h @@ -244,6 +244,7 @@ struct spinand_manufacturer { }; /* SPI NAND manufacturers */ +extern const struct spinand_manufacturer dosilicon_spinand_manufacturer; extern const struct spinand_manufacturer etron_spinand_manufacturer; extern const struct spinand_manufacturer gigadevice_spinand_manufacturer; extern const struct spinand_manufacturer macronix_spinand_manufacturer;