1 | // SPDX-License-Identifier: GPL-2.0 |
2 | /* |
3 | * Copyright (c) 2018 Macronix |
4 | * |
5 | * Author: Boris Brezillon <boris.brezillon@bootlin.com> |
6 | */ |
7 | |
8 | #include <linux/device.h> |
9 | #include <linux/kernel.h> |
10 | #include <linux/mtd/spinand.h> |
11 | |
12 | #define SPINAND_MFR_MACRONIX 0xC2 |
13 | #define MACRONIX_ECCSR_MASK 0x0F |
14 | |
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)); |
20 | |
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)); |
24 | |
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)); |
28 | |
29 | static int mx35lfxge4ab_ooblayout_ecc(struct mtd_info *mtd, int section, |
30 | struct mtd_oob_region *region) |
31 | { |
32 | return -ERANGE; |
33 | } |
34 | |
35 | static int mx35lfxge4ab_ooblayout_free(struct mtd_info *mtd, int section, |
36 | struct mtd_oob_region *region) |
37 | { |
38 | if (section) |
39 | return -ERANGE; |
40 | |
41 | region->offset = 2; |
42 | region->length = mtd->oobsize - 2; |
43 | |
44 | return 0; |
45 | } |
46 | |
47 | static const struct mtd_ooblayout_ops mx35lfxge4ab_ooblayout = { |
48 | .ecc = mx35lfxge4ab_ooblayout_ecc, |
49 | .free = mx35lfxge4ab_ooblayout_free, |
50 | }; |
51 | |
52 | static int mx35lf1ge4ab_get_eccsr(struct spinand_device *spinand, u8 *eccsr) |
53 | { |
54 | struct spi_mem_op op = SPI_MEM_OP(SPI_MEM_OP_CMD(0x7c, 1), |
55 | SPI_MEM_OP_NO_ADDR, |
56 | SPI_MEM_OP_DUMMY(1, 1), |
57 | SPI_MEM_OP_DATA_IN(1, eccsr, 1)); |
58 | |
59 | int ret = spi_mem_exec_op(mem: spinand->spimem, op: &op); |
60 | if (ret) |
61 | return ret; |
62 | |
63 | *eccsr &= MACRONIX_ECCSR_MASK; |
64 | return 0; |
65 | } |
66 | |
67 | static int mx35lf1ge4ab_ecc_get_status(struct spinand_device *spinand, |
68 | u8 status) |
69 | { |
70 | struct nand_device *nand = spinand_to_nand(spinand); |
71 | u8 eccsr; |
72 | |
73 | switch (status & STATUS_ECC_MASK) { |
74 | case STATUS_ECC_NO_BITFLIPS: |
75 | return 0; |
76 | |
77 | case STATUS_ECC_UNCOR_ERROR: |
78 | return -EBADMSG; |
79 | |
80 | case STATUS_ECC_HAS_BITFLIPS: |
81 | /* |
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. |
85 | */ |
86 | if (mx35lf1ge4ab_get_eccsr(spinand, eccsr: spinand->scratchbuf)) |
87 | return nanddev_get_ecc_conf(nand)->strength; |
88 | |
89 | eccsr = *spinand->scratchbuf; |
90 | if (WARN_ON(eccsr > nanddev_get_ecc_conf(nand)->strength || |
91 | !eccsr)) |
92 | return nanddev_get_ecc_conf(nand)->strength; |
93 | |
94 | return eccsr; |
95 | |
96 | default: |
97 | break; |
98 | } |
99 | |
100 | return -EINVAL; |
101 | } |
102 | |
103 | static const struct spinand_info macronix_spinand_table[] = { |
104 | SPINAND_INFO("MX35LF1GE4AB" , |
105 | SPINAND_ID(SPINAND_READID_METHOD_OPCODE_DUMMY, 0x12), |
106 | NAND_MEMORG(1, 2048, 64, 64, 1024, 20, 1, 1, 1), |
107 | NAND_ECCREQ(4, 512), |
108 | SPINAND_INFO_OP_VARIANTS(&read_cache_variants, |
109 | &write_cache_variants, |
110 | &update_cache_variants), |
111 | SPINAND_HAS_QE_BIT, |
112 | SPINAND_ECCINFO(&mx35lfxge4ab_ooblayout, |
113 | mx35lf1ge4ab_ecc_get_status)), |
114 | SPINAND_INFO("MX35LF2GE4AB" , |
115 | SPINAND_ID(SPINAND_READID_METHOD_OPCODE_DUMMY, 0x22), |
116 | NAND_MEMORG(1, 2048, 64, 64, 2048, 40, 2, 1, 1), |
117 | NAND_ECCREQ(4, 512), |
118 | SPINAND_INFO_OP_VARIANTS(&read_cache_variants, |
119 | &write_cache_variants, |
120 | &update_cache_variants), |
121 | SPINAND_HAS_QE_BIT, |
122 | SPINAND_ECCINFO(&mx35lfxge4ab_ooblayout, NULL)), |
123 | SPINAND_INFO("MX35LF2GE4AD" , |
124 | SPINAND_ID(SPINAND_READID_METHOD_OPCODE_DUMMY, 0x26), |
125 | NAND_MEMORG(1, 2048, 64, 64, 2048, 40, 1, 1, 1), |
126 | NAND_ECCREQ(8, 512), |
127 | SPINAND_INFO_OP_VARIANTS(&read_cache_variants, |
128 | &write_cache_variants, |
129 | &update_cache_variants), |
130 | SPINAND_HAS_QE_BIT, |
131 | SPINAND_ECCINFO(&mx35lfxge4ab_ooblayout, |
132 | mx35lf1ge4ab_ecc_get_status)), |
133 | SPINAND_INFO("MX35LF4GE4AD" , |
134 | SPINAND_ID(SPINAND_READID_METHOD_OPCODE_DUMMY, 0x37), |
135 | NAND_MEMORG(1, 4096, 128, 64, 2048, 40, 1, 1, 1), |
136 | NAND_ECCREQ(8, 512), |
137 | SPINAND_INFO_OP_VARIANTS(&read_cache_variants, |
138 | &write_cache_variants, |
139 | &update_cache_variants), |
140 | SPINAND_HAS_QE_BIT, |
141 | SPINAND_ECCINFO(&mx35lfxge4ab_ooblayout, |
142 | mx35lf1ge4ab_ecc_get_status)), |
143 | SPINAND_INFO("MX35LF1G24AD" , |
144 | SPINAND_ID(SPINAND_READID_METHOD_OPCODE_DUMMY, 0x14), |
145 | NAND_MEMORG(1, 2048, 128, 64, 1024, 20, 1, 1, 1), |
146 | NAND_ECCREQ(8, 512), |
147 | SPINAND_INFO_OP_VARIANTS(&read_cache_variants, |
148 | &write_cache_variants, |
149 | &update_cache_variants), |
150 | SPINAND_HAS_QE_BIT, |
151 | SPINAND_ECCINFO(&mx35lfxge4ab_ooblayout, NULL)), |
152 | SPINAND_INFO("MX35LF2G24AD" , |
153 | SPINAND_ID(SPINAND_READID_METHOD_OPCODE_DUMMY, 0x24), |
154 | NAND_MEMORG(1, 2048, 128, 64, 2048, 40, 2, 1, 1), |
155 | NAND_ECCREQ(8, 512), |
156 | SPINAND_INFO_OP_VARIANTS(&read_cache_variants, |
157 | &write_cache_variants, |
158 | &update_cache_variants), |
159 | SPINAND_HAS_QE_BIT, |
160 | SPINAND_ECCINFO(&mx35lfxge4ab_ooblayout, NULL)), |
161 | SPINAND_INFO("MX35LF4G24AD" , |
162 | SPINAND_ID(SPINAND_READID_METHOD_OPCODE_DUMMY, 0x35), |
163 | NAND_MEMORG(1, 4096, 256, 64, 2048, 40, 2, 1, 1), |
164 | NAND_ECCREQ(8, 512), |
165 | SPINAND_INFO_OP_VARIANTS(&read_cache_variants, |
166 | &write_cache_variants, |
167 | &update_cache_variants), |
168 | SPINAND_HAS_QE_BIT, |
169 | SPINAND_ECCINFO(&mx35lfxge4ab_ooblayout, NULL)), |
170 | SPINAND_INFO("MX31LF1GE4BC" , |
171 | SPINAND_ID(SPINAND_READID_METHOD_OPCODE_DUMMY, 0x1e), |
172 | NAND_MEMORG(1, 2048, 64, 64, 1024, 20, 1, 1, 1), |
173 | NAND_ECCREQ(8, 512), |
174 | SPINAND_INFO_OP_VARIANTS(&read_cache_variants, |
175 | &write_cache_variants, |
176 | &update_cache_variants), |
177 | SPINAND_HAS_QE_BIT, |
178 | SPINAND_ECCINFO(&mx35lfxge4ab_ooblayout, |
179 | mx35lf1ge4ab_ecc_get_status)), |
180 | SPINAND_INFO("MX31UF1GE4BC" , |
181 | SPINAND_ID(SPINAND_READID_METHOD_OPCODE_DUMMY, 0x9e), |
182 | NAND_MEMORG(1, 2048, 64, 64, 1024, 20, 1, 1, 1), |
183 | NAND_ECCREQ(8, 512), |
184 | SPINAND_INFO_OP_VARIANTS(&read_cache_variants, |
185 | &write_cache_variants, |
186 | &update_cache_variants), |
187 | SPINAND_HAS_QE_BIT, |
188 | SPINAND_ECCINFO(&mx35lfxge4ab_ooblayout, |
189 | mx35lf1ge4ab_ecc_get_status)), |
190 | |
191 | SPINAND_INFO("MX35LF2G14AC" , |
192 | SPINAND_ID(SPINAND_READID_METHOD_OPCODE_DUMMY, 0x20), |
193 | NAND_MEMORG(1, 2048, 64, 64, 2048, 40, 2, 1, 1), |
194 | NAND_ECCREQ(4, 512), |
195 | SPINAND_INFO_OP_VARIANTS(&read_cache_variants, |
196 | &write_cache_variants, |
197 | &update_cache_variants), |
198 | SPINAND_HAS_QE_BIT, |
199 | SPINAND_ECCINFO(&mx35lfxge4ab_ooblayout, |
200 | mx35lf1ge4ab_ecc_get_status)), |
201 | SPINAND_INFO("MX35UF4G24AD" , |
202 | SPINAND_ID(SPINAND_READID_METHOD_OPCODE_DUMMY, 0xb5), |
203 | NAND_MEMORG(1, 4096, 256, 64, 2048, 40, 2, 1, 1), |
204 | NAND_ECCREQ(8, 512), |
205 | SPINAND_INFO_OP_VARIANTS(&read_cache_variants, |
206 | &write_cache_variants, |
207 | &update_cache_variants), |
208 | SPINAND_HAS_QE_BIT, |
209 | SPINAND_ECCINFO(&mx35lfxge4ab_ooblayout, |
210 | mx35lf1ge4ab_ecc_get_status)), |
211 | SPINAND_INFO("MX35UF4GE4AD" , |
212 | SPINAND_ID(SPINAND_READID_METHOD_OPCODE_DUMMY, 0xb7), |
213 | NAND_MEMORG(1, 4096, 256, 64, 2048, 40, 1, 1, 1), |
214 | NAND_ECCREQ(8, 512), |
215 | SPINAND_INFO_OP_VARIANTS(&read_cache_variants, |
216 | &write_cache_variants, |
217 | &update_cache_variants), |
218 | SPINAND_HAS_QE_BIT, |
219 | SPINAND_ECCINFO(&mx35lfxge4ab_ooblayout, |
220 | mx35lf1ge4ab_ecc_get_status)), |
221 | SPINAND_INFO("MX35UF2G14AC" , |
222 | SPINAND_ID(SPINAND_READID_METHOD_OPCODE_DUMMY, 0xa0), |
223 | NAND_MEMORG(1, 2048, 64, 64, 2048, 40, 2, 1, 1), |
224 | NAND_ECCREQ(4, 512), |
225 | SPINAND_INFO_OP_VARIANTS(&read_cache_variants, |
226 | &write_cache_variants, |
227 | &update_cache_variants), |
228 | SPINAND_HAS_QE_BIT, |
229 | SPINAND_ECCINFO(&mx35lfxge4ab_ooblayout, |
230 | mx35lf1ge4ab_ecc_get_status)), |
231 | SPINAND_INFO("MX35UF2G24AD" , |
232 | SPINAND_ID(SPINAND_READID_METHOD_OPCODE_DUMMY, 0xa4), |
233 | NAND_MEMORG(1, 2048, 128, 64, 2048, 40, 2, 1, 1), |
234 | NAND_ECCREQ(8, 512), |
235 | SPINAND_INFO_OP_VARIANTS(&read_cache_variants, |
236 | &write_cache_variants, |
237 | &update_cache_variants), |
238 | SPINAND_HAS_QE_BIT, |
239 | SPINAND_ECCINFO(&mx35lfxge4ab_ooblayout, |
240 | mx35lf1ge4ab_ecc_get_status)), |
241 | SPINAND_INFO("MX35UF2GE4AD" , |
242 | SPINAND_ID(SPINAND_READID_METHOD_OPCODE_DUMMY, 0xa6), |
243 | NAND_MEMORG(1, 2048, 128, 64, 2048, 40, 1, 1, 1), |
244 | NAND_ECCREQ(8, 512), |
245 | SPINAND_INFO_OP_VARIANTS(&read_cache_variants, |
246 | &write_cache_variants, |
247 | &update_cache_variants), |
248 | SPINAND_HAS_QE_BIT, |
249 | SPINAND_ECCINFO(&mx35lfxge4ab_ooblayout, |
250 | mx35lf1ge4ab_ecc_get_status)), |
251 | SPINAND_INFO("MX35UF2GE4AC" , |
252 | SPINAND_ID(SPINAND_READID_METHOD_OPCODE_DUMMY, 0xa2), |
253 | NAND_MEMORG(1, 2048, 64, 64, 2048, 40, 1, 1, 1), |
254 | NAND_ECCREQ(4, 512), |
255 | SPINAND_INFO_OP_VARIANTS(&read_cache_variants, |
256 | &write_cache_variants, |
257 | &update_cache_variants), |
258 | SPINAND_HAS_QE_BIT, |
259 | SPINAND_ECCINFO(&mx35lfxge4ab_ooblayout, |
260 | mx35lf1ge4ab_ecc_get_status)), |
261 | SPINAND_INFO("MX35UF1G14AC" , |
262 | SPINAND_ID(SPINAND_READID_METHOD_OPCODE_DUMMY, 0x90), |
263 | NAND_MEMORG(1, 2048, 64, 64, 1024, 20, 1, 1, 1), |
264 | NAND_ECCREQ(4, 512), |
265 | SPINAND_INFO_OP_VARIANTS(&read_cache_variants, |
266 | &write_cache_variants, |
267 | &update_cache_variants), |
268 | SPINAND_HAS_QE_BIT, |
269 | SPINAND_ECCINFO(&mx35lfxge4ab_ooblayout, |
270 | mx35lf1ge4ab_ecc_get_status)), |
271 | SPINAND_INFO("MX35UF1G24AD" , |
272 | SPINAND_ID(SPINAND_READID_METHOD_OPCODE_DUMMY, 0x94), |
273 | NAND_MEMORG(1, 2048, 128, 64, 1024, 20, 1, 1, 1), |
274 | NAND_ECCREQ(8, 512), |
275 | SPINAND_INFO_OP_VARIANTS(&read_cache_variants, |
276 | &write_cache_variants, |
277 | &update_cache_variants), |
278 | SPINAND_HAS_QE_BIT, |
279 | SPINAND_ECCINFO(&mx35lfxge4ab_ooblayout, |
280 | mx35lf1ge4ab_ecc_get_status)), |
281 | SPINAND_INFO("MX35UF1GE4AD" , |
282 | SPINAND_ID(SPINAND_READID_METHOD_OPCODE_DUMMY, 0x96), |
283 | NAND_MEMORG(1, 2048, 128, 64, 1024, 20, 1, 1, 1), |
284 | NAND_ECCREQ(8, 512), |
285 | SPINAND_INFO_OP_VARIANTS(&read_cache_variants, |
286 | &write_cache_variants, |
287 | &update_cache_variants), |
288 | SPINAND_HAS_QE_BIT, |
289 | SPINAND_ECCINFO(&mx35lfxge4ab_ooblayout, |
290 | mx35lf1ge4ab_ecc_get_status)), |
291 | SPINAND_INFO("MX35UF1GE4AC" , |
292 | SPINAND_ID(SPINAND_READID_METHOD_OPCODE_DUMMY, 0x92), |
293 | NAND_MEMORG(1, 2048, 64, 64, 1024, 20, 1, 1, 1), |
294 | NAND_ECCREQ(4, 512), |
295 | SPINAND_INFO_OP_VARIANTS(&read_cache_variants, |
296 | &write_cache_variants, |
297 | &update_cache_variants), |
298 | SPINAND_HAS_QE_BIT, |
299 | SPINAND_ECCINFO(&mx35lfxge4ab_ooblayout, |
300 | mx35lf1ge4ab_ecc_get_status)), |
301 | |
302 | SPINAND_INFO("MX31LF2GE4BC" , |
303 | SPINAND_ID(SPINAND_READID_METHOD_OPCODE_DUMMY, 0x2e), |
304 | NAND_MEMORG(1, 2048, 64, 64, 2048, 40, 1, 1, 1), |
305 | NAND_ECCREQ(8, 512), |
306 | SPINAND_INFO_OP_VARIANTS(&read_cache_variants, |
307 | &write_cache_variants, |
308 | &update_cache_variants), |
309 | SPINAND_HAS_QE_BIT, |
310 | SPINAND_ECCINFO(&mx35lfxge4ab_ooblayout, |
311 | mx35lf1ge4ab_ecc_get_status)), |
312 | SPINAND_INFO("MX3UF2GE4BC" , |
313 | SPINAND_ID(SPINAND_READID_METHOD_OPCODE_DUMMY, 0xae), |
314 | NAND_MEMORG(1, 2048, 64, 64, 2048, 40, 1, 1, 1), |
315 | NAND_ECCREQ(8, 512), |
316 | SPINAND_INFO_OP_VARIANTS(&read_cache_variants, |
317 | &write_cache_variants, |
318 | &update_cache_variants), |
319 | SPINAND_HAS_QE_BIT, |
320 | SPINAND_ECCINFO(&mx35lfxge4ab_ooblayout, |
321 | mx35lf1ge4ab_ecc_get_status)), |
322 | }; |
323 | |
324 | static const struct spinand_manufacturer_ops macronix_spinand_manuf_ops = { |
325 | }; |
326 | |
327 | const struct spinand_manufacturer macronix_spinand_manufacturer = { |
328 | .id = SPINAND_MFR_MACRONIX, |
329 | .name = "Macronix" , |
330 | .chips = macronix_spinand_table, |
331 | .nchips = ARRAY_SIZE(macronix_spinand_table), |
332 | .ops = ¯onix_spinand_manuf_ops, |
333 | }; |
334 | |