// SPDX-License-Identifier: GPL-2.0 /* * Copyright (c) 2020 Rockchip Electronics Co., Ltd * * Authors: * Dingqiang Lin */ #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(false, 0, NULL, 0), SPINAND_PROG_LOAD(false, 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, 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, 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, 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, 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, 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, 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, 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, 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, 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, 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, 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, };