1 // SPDX-License-Identifier: GPL-2.0 2 /* 3 * Copyright (c) 2020-2021 Rockchip Electronics Co., Ltd 4 * 5 * Authors: 6 * Dingqiang Lin <jon.lin@rock-chips.com> 7 */ 8 9 #ifndef __UBOOT__ 10 #include <linux/device.h> 11 #include <linux/kernel.h> 12 #endif 13 #include <linux/mtd/spinand.h> 14 15 #define SPINAND_MFR_HYF 0xC9 16 17 static SPINAND_OP_VARIANTS(read_cache_variants, 18 SPINAND_PAGE_READ_FROM_CACHE_QUADIO_OP(0, 2, NULL, 0), 19 SPINAND_PAGE_READ_FROM_CACHE_X4_OP(0, 1, NULL, 0), 20 SPINAND_PAGE_READ_FROM_CACHE_DUALIO_OP(0, 1, NULL, 0), 21 SPINAND_PAGE_READ_FROM_CACHE_X2_OP(0, 1, NULL, 0), 22 SPINAND_PAGE_READ_FROM_CACHE_OP(true, 0, 1, NULL, 0), 23 SPINAND_PAGE_READ_FROM_CACHE_OP(false, 0, 1, NULL, 0)); 24 25 static SPINAND_OP_VARIANTS(write_cache_variants, 26 SPINAND_PROG_LOAD_X4(true, 0, NULL, 0), 27 SPINAND_PROG_LOAD(true, 0, NULL, 0)); 28 29 static SPINAND_OP_VARIANTS(update_cache_variants, 30 SPINAND_PROG_LOAD_X4(false, 0, NULL, 0), 31 SPINAND_PROG_LOAD(false, 0, NULL, 0)); 32 33 static int hyf1gq4upacae_ooblayout_ecc(struct mtd_info *mtd, int section, 34 struct mtd_oob_region *region) 35 { 36 if (section) 37 return -ERANGE; 38 39 region->offset = 64; 40 region->length = 64; 41 42 return 0; 43 } 44 45 static int hyf1gq4upacae_ooblayout_free(struct mtd_info *mtd, int section, 46 struct mtd_oob_region *region) 47 { 48 if (section) 49 return -ERANGE; 50 51 region->offset = 1; 52 region->length = 63; 53 54 return 0; 55 } 56 57 static const struct mtd_ooblayout_ops hyf1gq4upacae_ooblayout = { 58 .ecc = hyf1gq4upacae_ooblayout_ecc, 59 .rfree = hyf1gq4upacae_ooblayout_free, 60 }; 61 62 static int hyf1gq4udacae_ooblayout_ecc(struct mtd_info *mtd, int section, 63 struct mtd_oob_region *region) 64 { 65 if (section > 3) 66 return -ERANGE; 67 68 region->offset = (16 * section) + 8; 69 region->length = 8; 70 71 return 0; 72 } 73 74 static int hyf1gq4udacae_ooblayout_free(struct mtd_info *mtd, int section, 75 struct mtd_oob_region *region) 76 { 77 if (section > 3) 78 return -ERANGE; 79 80 region->offset = (16 * section) + 4; 81 region->length = 4; 82 83 return 0; 84 } 85 86 static const struct mtd_ooblayout_ops hyf1gq4udacae_ooblayout = { 87 .ecc = hyf1gq4udacae_ooblayout_ecc, 88 .rfree = hyf1gq4udacae_ooblayout_free, 89 }; 90 91 static int hyf2gq4uaacae_ooblayout_ecc(struct mtd_info *mtd, int section, 92 struct mtd_oob_region *region) 93 { 94 if (section > 3) 95 return -ERANGE; 96 97 region->offset = (32 * section) + 8; 98 region->length = 24; 99 100 return 0; 101 } 102 103 static int hyf2gq4uaacae_ooblayout_free(struct mtd_info *mtd, int section, 104 struct mtd_oob_region *region) 105 { 106 if (section > 3) 107 return -ERANGE; 108 109 region->offset = 16 * section; 110 region->length = 8; 111 112 return 0; 113 } 114 115 static const struct mtd_ooblayout_ops hyf2gq4uaacae_ooblayout = { 116 .ecc = hyf2gq4uaacae_ooblayout_ecc, 117 .rfree = hyf2gq4uaacae_ooblayout_free, 118 }; 119 120 static int hyf1gq4udacae_ecc_get_status(struct spinand_device *spinand, 121 u8 status) 122 { 123 struct nand_device *nand = spinand_to_nand(spinand); 124 125 switch (status & STATUS_ECC_MASK) { 126 case STATUS_ECC_NO_BITFLIPS: 127 return 0; 128 129 case STATUS_ECC_UNCOR_ERROR: 130 return -EBADMSG; 131 132 case STATUS_ECC_HAS_BITFLIPS: 133 return 1; 134 135 default: 136 return nand->eccreq.strength; 137 } 138 139 return -EINVAL; 140 } 141 142 static const struct spinand_info hyf_spinand_table[] = { 143 SPINAND_INFO("HYF1GQ4UPACAE", 0xA1, 144 NAND_MEMORG(1, 2048, 128, 64, 1024, 1, 1, 1), 145 NAND_ECCREQ(1, 512), 146 SPINAND_INFO_OP_VARIANTS(&read_cache_variants, 147 &write_cache_variants, 148 &update_cache_variants), 149 SPINAND_HAS_QE_BIT, 150 SPINAND_ECCINFO(&hyf1gq4upacae_ooblayout, NULL)), 151 SPINAND_INFO("HYF1GQ4UDACAE", 0x21, 152 NAND_MEMORG(1, 2048, 64, 64, 1024, 1, 1, 1), 153 NAND_ECCREQ(4, 512), 154 SPINAND_INFO_OP_VARIANTS(&read_cache_variants, 155 &write_cache_variants, 156 &update_cache_variants), 157 SPINAND_HAS_QE_BIT, 158 SPINAND_ECCINFO(&hyf1gq4udacae_ooblayout, 159 hyf1gq4udacae_ecc_get_status)), 160 SPINAND_INFO("HYF1GQ4UDACAE", 0x22, 161 NAND_MEMORG(1, 2048, 64, 64, 2048, 1, 1, 1), 162 NAND_ECCREQ(4, 512), 163 SPINAND_INFO_OP_VARIANTS(&read_cache_variants, 164 &write_cache_variants, 165 &update_cache_variants), 166 SPINAND_HAS_QE_BIT, 167 SPINAND_ECCINFO(&hyf1gq4udacae_ooblayout, 168 hyf1gq4udacae_ecc_get_status)), 169 SPINAND_INFO("HYF2GQ4UAACAE", 0x52, 170 NAND_MEMORG(1, 2048, 128, 64, 2048, 1, 1, 1), 171 NAND_ECCREQ(14, 512), 172 SPINAND_INFO_OP_VARIANTS(&read_cache_variants, 173 &write_cache_variants, 174 &update_cache_variants), 175 SPINAND_HAS_QE_BIT, 176 SPINAND_ECCINFO(&hyf2gq4uaacae_ooblayout, 177 hyf1gq4udacae_ecc_get_status)), 178 SPINAND_INFO("HYF2GQ4UHCCAE", 0x5A, 179 NAND_MEMORG(1, 2048, 128, 64, 2048, 1, 1, 1), 180 NAND_ECCREQ(14, 512), 181 SPINAND_INFO_OP_VARIANTS(&read_cache_variants, 182 &write_cache_variants, 183 &update_cache_variants), 184 SPINAND_HAS_QE_BIT, 185 SPINAND_ECCINFO(&hyf2gq4uaacae_ooblayout, 186 hyf1gq4udacae_ecc_get_status)), 187 SPINAND_INFO("HYF4GQ4UAACBE", 0xD4, 188 NAND_MEMORG(1, 4096, 128, 64, 2048, 1, 1, 1), 189 NAND_ECCREQ(4, 512), 190 SPINAND_INFO_OP_VARIANTS(&read_cache_variants, 191 &write_cache_variants, 192 &update_cache_variants), 193 SPINAND_HAS_QE_BIT, 194 SPINAND_ECCINFO(&hyf2gq4uaacae_ooblayout, 195 hyf1gq4udacae_ecc_get_status)), 196 }; 197 198 /** 199 * hyf_spinand_detect - initialize device related part in spinand_device 200 * struct if it is a hyf device. 201 * @spinand: SPI NAND device structure 202 */ 203 static int hyf_spinand_detect(struct spinand_device *spinand) 204 { 205 u8 *id = spinand->id.data; 206 int ret; 207 208 /* 209 * hyf SPI NAND read ID needs a dummy byte, so the first byte in 210 * raw_id is garbage. 211 */ 212 if (id[1] != SPINAND_MFR_HYF) 213 return 0; 214 215 ret = spinand_match_and_init(spinand, hyf_spinand_table, 216 ARRAY_SIZE(hyf_spinand_table), 217 id[2]); 218 if (ret) 219 return ret; 220 221 return 1; 222 } 223 224 static const struct spinand_manufacturer_ops hyf_spinand_manuf_ops = { 225 .detect = hyf_spinand_detect, 226 }; 227 228 const struct spinand_manufacturer hyf_spinand_manufacturer = { 229 .id = SPINAND_MFR_HYF, 230 .name = "hyf", 231 .ops = &hyf_spinand_manuf_ops, 232 }; 233