| .. | .. |
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| 14 | 14 | #define SPINAND_MFR_WINBOND 0xEF |
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| 15 | 15 | |
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| 16 | 16 | #define WINBOND_CFG_BUF_READ BIT(3) |
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| 17 | +#define WINBOND_STATUS_ECC_HAS_BITFLIPS_T (3 << 4) |
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| 17 | 18 | |
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| 18 | 19 | static SPINAND_OP_VARIANTS(read_cache_variants, |
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| 19 | 20 | SPINAND_PAGE_READ_FROM_CACHE_QUADIO_OP(0, 2, NULL, 0), |
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| .. | .. |
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| 74 | 75 | return spi_mem_exec_op(spinand->spimem, &op); |
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| 75 | 76 | } |
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| 76 | 77 | |
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| 78 | +static int w25n02kv_ooblayout_ecc(struct mtd_info *mtd, int section, |
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| 79 | + struct mtd_oob_region *region) |
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| 80 | +{ |
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| 81 | + if (section) |
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| 82 | + return -ERANGE; |
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| 83 | + |
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| 84 | + region->offset = 64; |
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| 85 | + region->length = 64; |
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| 86 | + |
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| 87 | + return 0; |
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| 88 | +} |
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| 89 | + |
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| 90 | +static int w25n02kv_ooblayout_free(struct mtd_info *mtd, int section, |
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| 91 | + struct mtd_oob_region *region) |
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| 92 | +{ |
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| 93 | + if (section) |
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| 94 | + return -ERANGE; |
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| 95 | + |
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| 96 | + /* Reserve 2 bytes for the BBM. */ |
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| 97 | + region->offset = 2; |
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| 98 | + region->length = 62; |
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| 99 | + |
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| 100 | + return 0; |
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| 101 | +} |
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| 102 | + |
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| 103 | +static const struct mtd_ooblayout_ops w25n02kv_ooblayout = { |
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| 104 | + .ecc = w25n02kv_ooblayout_ecc, |
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| 105 | + .free = w25n02kv_ooblayout_free, |
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| 106 | +}; |
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| 107 | + |
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| 108 | +static int w25n02kv_ecc_get_status(struct spinand_device *spinand, |
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| 109 | + u8 status) |
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| 110 | +{ |
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| 111 | + struct nand_device *nand = spinand_to_nand(spinand); |
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| 112 | + |
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| 113 | + switch (status & STATUS_ECC_MASK) { |
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| 114 | + case STATUS_ECC_NO_BITFLIPS: |
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| 115 | + return 0; |
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| 116 | + |
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| 117 | + case STATUS_ECC_UNCOR_ERROR: |
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| 118 | + return -EBADMSG; |
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| 119 | + |
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| 120 | + case STATUS_ECC_HAS_BITFLIPS: |
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| 121 | + return 1; |
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| 122 | + |
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| 123 | + default: |
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| 124 | + return nanddev_get_ecc_requirements(nand)->strength; |
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| 125 | + } |
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| 126 | + |
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| 127 | + return -EINVAL; |
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| 128 | +} |
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| 129 | + |
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| 130 | + |
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| 77 | 131 | static const struct spinand_info winbond_spinand_table[] = { |
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| 78 | | - SPINAND_INFO("W25M02GV", 0xAB, |
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| 79 | | - NAND_MEMORG(1, 2048, 64, 64, 1024, 1, 1, 2), |
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| 132 | + SPINAND_INFO("W25M02GV", |
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| 133 | + SPINAND_ID(SPINAND_READID_METHOD_OPCODE_DUMMY, 0xab), |
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| 134 | + NAND_MEMORG(1, 2048, 64, 64, 1024, 20, 1, 1, 2), |
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| 80 | 135 | NAND_ECCREQ(1, 512), |
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| 81 | 136 | SPINAND_INFO_OP_VARIANTS(&read_cache_variants, |
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| 82 | 137 | &write_cache_variants, |
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| .. | .. |
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| 84 | 139 | 0, |
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| 85 | 140 | SPINAND_ECCINFO(&w25m02gv_ooblayout, NULL), |
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| 86 | 141 | SPINAND_SELECT_TARGET(w25m02gv_select_target)), |
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| 142 | + SPINAND_INFO("W25N512GV", |
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| 143 | + SPINAND_ID(SPINAND_READID_METHOD_OPCODE_DUMMY, 0xAA, 0x20), |
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| 144 | + NAND_MEMORG(1, 2048, 64, 64, 512, 10, 1, 1, 1), |
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| 145 | + NAND_ECCREQ(1, 512), |
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| 146 | + SPINAND_INFO_OP_VARIANTS(&read_cache_variants, |
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| 147 | + &write_cache_variants, |
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| 148 | + &update_cache_variants), |
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| 149 | + 0, |
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| 150 | + SPINAND_ECCINFO(&w25m02gv_ooblayout, NULL), |
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| 151 | + SPINAND_SELECT_TARGET(w25m02gv_select_target)), |
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| 152 | + SPINAND_INFO("W25N01GV", |
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| 153 | + SPINAND_ID(SPINAND_READID_METHOD_OPCODE_DUMMY, 0xAA, 0x21), |
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| 154 | + NAND_MEMORG(1, 2048, 64, 64, 1024, 20, 1, 1, 1), |
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| 155 | + NAND_ECCREQ(1, 512), |
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| 156 | + SPINAND_INFO_OP_VARIANTS(&read_cache_variants, |
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| 157 | + &write_cache_variants, |
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| 158 | + &update_cache_variants), |
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| 159 | + 0, |
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| 160 | + SPINAND_ECCINFO(&w25m02gv_ooblayout, NULL), |
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| 161 | + SPINAND_SELECT_TARGET(w25m02gv_select_target)), |
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| 162 | + SPINAND_INFO("W25N02KV", |
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| 163 | + SPINAND_ID(SPINAND_READID_METHOD_OPCODE_DUMMY, 0xAA, 0x22), |
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| 164 | + NAND_MEMORG(1, 2048, 128, 64, 2048, 20, 1, 1, 1), |
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| 165 | + NAND_ECCREQ(8, 512), |
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| 166 | + SPINAND_INFO_OP_VARIANTS(&read_cache_variants, |
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| 167 | + &write_cache_variants, |
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| 168 | + &update_cache_variants), |
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| 169 | + 0, |
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| 170 | + SPINAND_ECCINFO(&w25n02kv_ooblayout, |
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| 171 | + w25n02kv_ecc_get_status)), |
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| 172 | + SPINAND_INFO("W25N04KV", |
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| 173 | + SPINAND_ID(SPINAND_READID_METHOD_OPCODE_DUMMY, 0xAA, 0x23), |
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| 174 | + NAND_MEMORG(1, 2048, 128, 64, 4096, 40, 1, 1, 1), |
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| 175 | + NAND_ECCREQ(8, 512), |
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| 176 | + SPINAND_INFO_OP_VARIANTS(&read_cache_variants, |
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| 177 | + &write_cache_variants, |
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| 178 | + &update_cache_variants), |
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| 179 | + 0, |
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| 180 | + SPINAND_ECCINFO(&w25n02kv_ooblayout, |
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| 181 | + w25n02kv_ecc_get_status)), |
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| 182 | + SPINAND_INFO("W25N01GW", |
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| 183 | + SPINAND_ID(SPINAND_READID_METHOD_OPCODE_DUMMY, 0xBA, 0x21), |
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| 184 | + NAND_MEMORG(1, 2048, 64, 64, 1024, 20, 1, 1, 1), |
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| 185 | + NAND_ECCREQ(1, 512), |
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| 186 | + SPINAND_INFO_OP_VARIANTS(&read_cache_variants, |
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| 187 | + &write_cache_variants, |
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| 188 | + &update_cache_variants), |
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| 189 | + 0, |
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| 190 | + SPINAND_ECCINFO(&w25m02gv_ooblayout, NULL), |
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| 191 | + SPINAND_SELECT_TARGET(w25m02gv_select_target)), |
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| 192 | + SPINAND_INFO("W25N02KW", |
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| 193 | + SPINAND_ID(SPINAND_READID_METHOD_OPCODE_DUMMY, 0xBA, 0x22), |
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| 194 | + NAND_MEMORG(1, 2048, 128, 64, 2048, 20, 1, 1, 1), |
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| 195 | + NAND_ECCREQ(8, 512), |
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| 196 | + SPINAND_INFO_OP_VARIANTS(&read_cache_variants, |
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| 197 | + &write_cache_variants, |
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| 198 | + &update_cache_variants), |
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| 199 | + 0, |
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| 200 | + SPINAND_ECCINFO(&w25n02kv_ooblayout, |
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| 201 | + w25n02kv_ecc_get_status)), |
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| 202 | + SPINAND_INFO("W25N01KV", |
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| 203 | + SPINAND_ID(SPINAND_READID_METHOD_OPCODE_DUMMY, 0xAE, 0x21), |
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| 204 | + NAND_MEMORG(1, 2048, 128, 64, 1024, 20, 1, 1, 1), |
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| 205 | + NAND_ECCREQ(4, 512), |
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| 206 | + SPINAND_INFO_OP_VARIANTS(&read_cache_variants, |
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| 207 | + &write_cache_variants, |
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| 208 | + &update_cache_variants), |
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| 209 | + 0, |
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| 210 | + SPINAND_ECCINFO(&w25n02kv_ooblayout, |
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| 211 | + w25n02kv_ecc_get_status)), |
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| 87 | 212 | }; |
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| 88 | | - |
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| 89 | | -/** |
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| 90 | | - * winbond_spinand_detect - initialize device related part in spinand_device |
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| 91 | | - * struct if it is a Winbond device. |
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| 92 | | - * @spinand: SPI NAND device structure |
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| 93 | | - */ |
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| 94 | | -static int winbond_spinand_detect(struct spinand_device *spinand) |
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| 95 | | -{ |
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| 96 | | - u8 *id = spinand->id.data; |
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| 97 | | - int ret; |
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| 98 | | - |
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| 99 | | - /* |
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| 100 | | - * Winbond SPI NAND read ID need a dummy byte, |
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| 101 | | - * so the first byte in raw_id is dummy. |
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| 102 | | - */ |
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| 103 | | - if (id[1] != SPINAND_MFR_WINBOND) |
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| 104 | | - return 0; |
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| 105 | | - |
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| 106 | | - ret = spinand_match_and_init(spinand, winbond_spinand_table, |
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| 107 | | - ARRAY_SIZE(winbond_spinand_table), id[2]); |
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| 108 | | - if (ret) |
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| 109 | | - return ret; |
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| 110 | | - |
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| 111 | | - return 1; |
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| 112 | | -} |
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| 113 | 213 | |
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| 114 | 214 | static int winbond_spinand_init(struct spinand_device *spinand) |
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| 115 | 215 | { |
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| .. | .. |
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| 130 | 230 | } |
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| 131 | 231 | |
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| 132 | 232 | static const struct spinand_manufacturer_ops winbond_spinand_manuf_ops = { |
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| 133 | | - .detect = winbond_spinand_detect, |
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| 134 | 233 | .init = winbond_spinand_init, |
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| 135 | 234 | }; |
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| 136 | 235 | |
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| 137 | 236 | const struct spinand_manufacturer winbond_spinand_manufacturer = { |
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| 138 | 237 | .id = SPINAND_MFR_WINBOND, |
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| 139 | 238 | .name = "Winbond", |
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| 239 | + .chips = winbond_spinand_table, |
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| 240 | + .nchips = ARRAY_SIZE(winbond_spinand_table), |
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| 140 | 241 | .ops = &winbond_spinand_manuf_ops, |
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| 141 | 242 | }; |
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