1 // SPDX-License-Identifier: GPL-2.0
3 * Copyright (c) 2018 Macronix
5 * Author: Boris Brezillon <boris.brezillon@bootlin.com>
8 #include <linux/device.h>
9 #include <linux/kernel.h>
10 #include <linux/mtd/spinand.h>
12 #define SPINAND_MFR_MACRONIX 0xC2
13 #define MACRONIX_ECCSR_MASK 0x0F
15 static SPINAND_OP_VARIANTS(read_cache_variants,
16 SPINAND_PAGE_READ_FROM_CACHE_X4_OP(0, 1, NULL, 0),
17 SPINAND_PAGE_READ_FROM_CACHE_X2_OP(0, 1, NULL, 0),
18 SPINAND_PAGE_READ_FROM_CACHE_OP(true, 0, 1, NULL, 0),
19 SPINAND_PAGE_READ_FROM_CACHE_OP(false, 0, 1, NULL, 0));
21 static SPINAND_OP_VARIANTS(write_cache_variants,
22 SPINAND_PROG_LOAD_X4(true, 0, NULL, 0),
23 SPINAND_PROG_LOAD(false, 0, NULL, 0));
25 static SPINAND_OP_VARIANTS(update_cache_variants,
26 SPINAND_PROG_LOAD_X4(false, 0, NULL, 0),
27 SPINAND_PROG_LOAD(false, 0, NULL, 0));
29 static int mx35lfxge4ab_ooblayout_ecc(struct mtd_info *mtd, int section,
30 struct mtd_oob_region *region)
35 static int mx35lfxge4ab_ooblayout_free(struct mtd_info *mtd, int section,
36 struct mtd_oob_region *region)
42 region->length = mtd->oobsize - 2;
47 static const struct mtd_ooblayout_ops mx35lfxge4ab_ooblayout = {
48 .ecc = mx35lfxge4ab_ooblayout_ecc,
49 .free = mx35lfxge4ab_ooblayout_free,
52 static int mx35lf1ge4ab_get_eccsr(struct spinand_device *spinand, u8 *eccsr)
54 struct spi_mem_op op = SPI_MEM_OP(SPI_MEM_OP_CMD(0x7c, 1),
56 SPI_MEM_OP_DUMMY(1, 1),
57 SPI_MEM_OP_DATA_IN(1, eccsr, 1));
59 int ret = spi_mem_exec_op(spinand->spimem, &op);
63 *eccsr &= MACRONIX_ECCSR_MASK;
67 static int mx35lf1ge4ab_ecc_get_status(struct spinand_device *spinand,
70 struct nand_device *nand = spinand_to_nand(spinand);
73 switch (status & STATUS_ECC_MASK) {
74 case STATUS_ECC_NO_BITFLIPS:
77 case STATUS_ECC_UNCOR_ERROR:
80 case STATUS_ECC_HAS_BITFLIPS:
82 * Let's try to retrieve the real maximum number of bitflips
83 * in order to avoid forcing the wear-leveling layer to move
84 * data around if it's not necessary.
86 if (mx35lf1ge4ab_get_eccsr(spinand, &eccsr))
87 return nanddev_get_ecc_conf(nand)->strength;
89 if (WARN_ON(eccsr > nanddev_get_ecc_conf(nand)->strength ||
91 return nanddev_get_ecc_conf(nand)->strength;
102 static const struct spinand_info macronix_spinand_table[] = {
103 SPINAND_INFO("MX35LF1GE4AB",
104 SPINAND_ID(SPINAND_READID_METHOD_OPCODE_DUMMY, 0x12),
105 NAND_MEMORG(1, 2048, 64, 64, 1024, 20, 1, 1, 1),
107 SPINAND_INFO_OP_VARIANTS(&read_cache_variants,
108 &write_cache_variants,
109 &update_cache_variants),
111 SPINAND_ECCINFO(&mx35lfxge4ab_ooblayout,
112 mx35lf1ge4ab_ecc_get_status)),
113 SPINAND_INFO("MX35LF2GE4AB",
114 SPINAND_ID(SPINAND_READID_METHOD_OPCODE_DUMMY, 0x22),
115 NAND_MEMORG(1, 2048, 64, 64, 2048, 40, 2, 1, 1),
117 SPINAND_INFO_OP_VARIANTS(&read_cache_variants,
118 &write_cache_variants,
119 &update_cache_variants),
121 SPINAND_ECCINFO(&mx35lfxge4ab_ooblayout, NULL)),
122 SPINAND_INFO("MX35LF2GE4AD",
123 SPINAND_ID(SPINAND_READID_METHOD_OPCODE_DUMMY, 0x26),
124 NAND_MEMORG(1, 2048, 64, 64, 2048, 40, 1, 1, 1),
126 SPINAND_INFO_OP_VARIANTS(&read_cache_variants,
127 &write_cache_variants,
128 &update_cache_variants),
130 SPINAND_ECCINFO(&mx35lfxge4ab_ooblayout,
131 mx35lf1ge4ab_ecc_get_status)),
132 SPINAND_INFO("MX35LF4GE4AD",
133 SPINAND_ID(SPINAND_READID_METHOD_OPCODE_DUMMY, 0x37),
134 NAND_MEMORG(1, 4096, 128, 64, 2048, 40, 1, 1, 1),
136 SPINAND_INFO_OP_VARIANTS(&read_cache_variants,
137 &write_cache_variants,
138 &update_cache_variants),
140 SPINAND_ECCINFO(&mx35lfxge4ab_ooblayout,
141 mx35lf1ge4ab_ecc_get_status)),
142 SPINAND_INFO("MX35LF1G24AD",
143 SPINAND_ID(SPINAND_READID_METHOD_OPCODE_DUMMY, 0x14),
144 NAND_MEMORG(1, 2048, 128, 64, 1024, 20, 1, 1, 1),
146 SPINAND_INFO_OP_VARIANTS(&read_cache_variants,
147 &write_cache_variants,
148 &update_cache_variants),
150 SPINAND_ECCINFO(&mx35lfxge4ab_ooblayout, NULL)),
151 SPINAND_INFO("MX35LF2G24AD",
152 SPINAND_ID(SPINAND_READID_METHOD_OPCODE_DUMMY, 0x24),
153 NAND_MEMORG(1, 2048, 128, 64, 2048, 40, 2, 1, 1),
155 SPINAND_INFO_OP_VARIANTS(&read_cache_variants,
156 &write_cache_variants,
157 &update_cache_variants),
159 SPINAND_ECCINFO(&mx35lfxge4ab_ooblayout, NULL)),
160 SPINAND_INFO("MX35LF4G24AD",
161 SPINAND_ID(SPINAND_READID_METHOD_OPCODE_DUMMY, 0x35),
162 NAND_MEMORG(1, 4096, 256, 64, 2048, 40, 2, 1, 1),
164 SPINAND_INFO_OP_VARIANTS(&read_cache_variants,
165 &write_cache_variants,
166 &update_cache_variants),
168 SPINAND_ECCINFO(&mx35lfxge4ab_ooblayout, NULL)),
169 SPINAND_INFO("MX31LF1GE4BC",
170 SPINAND_ID(SPINAND_READID_METHOD_OPCODE_DUMMY, 0x1e),
171 NAND_MEMORG(1, 2048, 64, 64, 1024, 20, 1, 1, 1),
173 SPINAND_INFO_OP_VARIANTS(&read_cache_variants,
174 &write_cache_variants,
175 &update_cache_variants),
177 SPINAND_ECCINFO(&mx35lfxge4ab_ooblayout,
178 mx35lf1ge4ab_ecc_get_status)),
179 SPINAND_INFO("MX31UF1GE4BC",
180 SPINAND_ID(SPINAND_READID_METHOD_OPCODE_DUMMY, 0x9e),
181 NAND_MEMORG(1, 2048, 64, 64, 1024, 20, 1, 1, 1),
183 SPINAND_INFO_OP_VARIANTS(&read_cache_variants,
184 &write_cache_variants,
185 &update_cache_variants),
187 SPINAND_ECCINFO(&mx35lfxge4ab_ooblayout,
188 mx35lf1ge4ab_ecc_get_status)),
190 SPINAND_INFO("MX35LF2G14AC",
191 SPINAND_ID(SPINAND_READID_METHOD_OPCODE_DUMMY, 0x20),
192 NAND_MEMORG(1, 2048, 64, 64, 2048, 40, 2, 1, 1),
194 SPINAND_INFO_OP_VARIANTS(&read_cache_variants,
195 &write_cache_variants,
196 &update_cache_variants),
198 SPINAND_ECCINFO(&mx35lfxge4ab_ooblayout,
199 mx35lf1ge4ab_ecc_get_status)),
200 SPINAND_INFO("MX35UF4G24AD",
201 SPINAND_ID(SPINAND_READID_METHOD_OPCODE_DUMMY, 0xb5),
202 NAND_MEMORG(1, 4096, 256, 64, 2048, 40, 2, 1, 1),
204 SPINAND_INFO_OP_VARIANTS(&read_cache_variants,
205 &write_cache_variants,
206 &update_cache_variants),
208 SPINAND_ECCINFO(&mx35lfxge4ab_ooblayout,
209 mx35lf1ge4ab_ecc_get_status)),
210 SPINAND_INFO("MX35UF4GE4AD",
211 SPINAND_ID(SPINAND_READID_METHOD_OPCODE_DUMMY, 0xb7),
212 NAND_MEMORG(1, 4096, 256, 64, 2048, 40, 1, 1, 1),
214 SPINAND_INFO_OP_VARIANTS(&read_cache_variants,
215 &write_cache_variants,
216 &update_cache_variants),
218 SPINAND_ECCINFO(&mx35lfxge4ab_ooblayout,
219 mx35lf1ge4ab_ecc_get_status)),
220 SPINAND_INFO("MX35UF2G14AC",
221 SPINAND_ID(SPINAND_READID_METHOD_OPCODE_DUMMY, 0xa0),
222 NAND_MEMORG(1, 2048, 64, 64, 2048, 40, 2, 1, 1),
224 SPINAND_INFO_OP_VARIANTS(&read_cache_variants,
225 &write_cache_variants,
226 &update_cache_variants),
228 SPINAND_ECCINFO(&mx35lfxge4ab_ooblayout,
229 mx35lf1ge4ab_ecc_get_status)),
230 SPINAND_INFO("MX35UF2G24AD",
231 SPINAND_ID(SPINAND_READID_METHOD_OPCODE_DUMMY, 0xa4),
232 NAND_MEMORG(1, 2048, 128, 64, 2048, 40, 2, 1, 1),
234 SPINAND_INFO_OP_VARIANTS(&read_cache_variants,
235 &write_cache_variants,
236 &update_cache_variants),
238 SPINAND_ECCINFO(&mx35lfxge4ab_ooblayout,
239 mx35lf1ge4ab_ecc_get_status)),
240 SPINAND_INFO("MX35UF2GE4AD",
241 SPINAND_ID(SPINAND_READID_METHOD_OPCODE_DUMMY, 0xa6),
242 NAND_MEMORG(1, 2048, 128, 64, 2048, 40, 1, 1, 1),
244 SPINAND_INFO_OP_VARIANTS(&read_cache_variants,
245 &write_cache_variants,
246 &update_cache_variants),
248 SPINAND_ECCINFO(&mx35lfxge4ab_ooblayout,
249 mx35lf1ge4ab_ecc_get_status)),
250 SPINAND_INFO("MX35UF2GE4AC",
251 SPINAND_ID(SPINAND_READID_METHOD_OPCODE_DUMMY, 0xa2),
252 NAND_MEMORG(1, 2048, 64, 64, 2048, 40, 1, 1, 1),
254 SPINAND_INFO_OP_VARIANTS(&read_cache_variants,
255 &write_cache_variants,
256 &update_cache_variants),
258 SPINAND_ECCINFO(&mx35lfxge4ab_ooblayout,
259 mx35lf1ge4ab_ecc_get_status)),
260 SPINAND_INFO("MX35UF1G14AC",
261 SPINAND_ID(SPINAND_READID_METHOD_OPCODE_DUMMY, 0x90),
262 NAND_MEMORG(1, 2048, 64, 64, 1024, 20, 1, 1, 1),
264 SPINAND_INFO_OP_VARIANTS(&read_cache_variants,
265 &write_cache_variants,
266 &update_cache_variants),
268 SPINAND_ECCINFO(&mx35lfxge4ab_ooblayout,
269 mx35lf1ge4ab_ecc_get_status)),
270 SPINAND_INFO("MX35UF1G24AD",
271 SPINAND_ID(SPINAND_READID_METHOD_OPCODE_DUMMY, 0x94),
272 NAND_MEMORG(1, 2048, 128, 64, 1024, 20, 1, 1, 1),
274 SPINAND_INFO_OP_VARIANTS(&read_cache_variants,
275 &write_cache_variants,
276 &update_cache_variants),
278 SPINAND_ECCINFO(&mx35lfxge4ab_ooblayout,
279 mx35lf1ge4ab_ecc_get_status)),
280 SPINAND_INFO("MX35UF1GE4AD",
281 SPINAND_ID(SPINAND_READID_METHOD_OPCODE_DUMMY, 0x96),
282 NAND_MEMORG(1, 2048, 128, 64, 1024, 20, 1, 1, 1),
284 SPINAND_INFO_OP_VARIANTS(&read_cache_variants,
285 &write_cache_variants,
286 &update_cache_variants),
288 SPINAND_ECCINFO(&mx35lfxge4ab_ooblayout,
289 mx35lf1ge4ab_ecc_get_status)),
290 SPINAND_INFO("MX35UF1GE4AC",
291 SPINAND_ID(SPINAND_READID_METHOD_OPCODE_DUMMY, 0x92),
292 NAND_MEMORG(1, 2048, 64, 64, 1024, 20, 1, 1, 1),
294 SPINAND_INFO_OP_VARIANTS(&read_cache_variants,
295 &write_cache_variants,
296 &update_cache_variants),
298 SPINAND_ECCINFO(&mx35lfxge4ab_ooblayout,
299 mx35lf1ge4ab_ecc_get_status)),
303 static const struct spinand_manufacturer_ops macronix_spinand_manuf_ops = {
306 const struct spinand_manufacturer macronix_spinand_manufacturer = {
307 .id = SPINAND_MFR_MACRONIX,
309 .chips = macronix_spinand_table,
310 .nchips = ARRAY_SIZE(macronix_spinand_table),
311 .ops = ¯onix_spinand_manuf_ops,