nand.h revision 1.2.4.2
1 1.2.4.2 rmind /* $NetBSD: nand.h,v 1.2.4.2 2011/03/05 20:53:33 rmind Exp $ */ 2 1.2.4.2 rmind 3 1.2.4.2 rmind /*- 4 1.2.4.2 rmind * Copyright (c) 2010 Department of Software Engineering, 5 1.2.4.2 rmind * University of Szeged, Hungary 6 1.2.4.2 rmind * Copyright (c) 2010 Adam Hoka <ahoka (at) NetBSD.org> 7 1.2.4.2 rmind * All rights reserved. 8 1.2.4.2 rmind * 9 1.2.4.2 rmind * This code is derived from software contributed to The NetBSD Foundation 10 1.2.4.2 rmind * by the Department of Software Engineering, University of Szeged, Hungary 11 1.2.4.2 rmind * 12 1.2.4.2 rmind * Redistribution and use in source and binary forms, with or without 13 1.2.4.2 rmind * modification, are permitted provided that the following conditions 14 1.2.4.2 rmind * are met: 15 1.2.4.2 rmind * 1. Redistributions of source code must retain the above copyright 16 1.2.4.2 rmind * notice, this list of conditions and the following disclaimer. 17 1.2.4.2 rmind * 2. Redistributions in binary form must reproduce the above copyright 18 1.2.4.2 rmind * notice, this list of conditions and the following disclaimer in the 19 1.2.4.2 rmind * documentation and/or other materials provided with the distribution. 20 1.2.4.2 rmind * 21 1.2.4.2 rmind * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR 22 1.2.4.2 rmind * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES 23 1.2.4.2 rmind * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 24 1.2.4.2 rmind * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, 25 1.2.4.2 rmind * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, 26 1.2.4.2 rmind * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; 27 1.2.4.2 rmind * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED 28 1.2.4.2 rmind * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, 29 1.2.4.2 rmind * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 30 1.2.4.2 rmind * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 31 1.2.4.2 rmind * SUCH DAMAGE. 32 1.2.4.2 rmind */ 33 1.2.4.2 rmind 34 1.2.4.2 rmind #ifndef _NAND_H_ 35 1.2.4.2 rmind #define _NAND_H_ 36 1.2.4.2 rmind 37 1.2.4.2 rmind #include <sys/param.h> 38 1.2.4.2 rmind #include <sys/cdefs.h> 39 1.2.4.2 rmind 40 1.2.4.2 rmind #include <sys/bufq.h> 41 1.2.4.2 rmind #include <sys/buf.h> 42 1.2.4.2 rmind #include <sys/time.h> 43 1.2.4.2 rmind 44 1.2.4.2 rmind #include <dev/flash/flash.h> 45 1.2.4.2 rmind 46 1.2.4.2 rmind /* flash interface implementation */ 47 1.2.4.2 rmind int nand_flash_isbad(device_t, uint64_t); 48 1.2.4.2 rmind int nand_flash_markbad(device_t, uint64_t); 49 1.2.4.2 rmind int nand_flash_write(device_t, off_t, size_t, size_t *, const u_char *); 50 1.2.4.2 rmind int nand_flash_read(device_t, off_t, size_t, size_t *, uint8_t *); 51 1.2.4.2 rmind int nand_flash_erase(device_t, struct flash_erase_instruction *); 52 1.2.4.2 rmind 53 1.2.4.2 rmind /* nand specific functions */ 54 1.2.4.2 rmind int nand_erase_block(device_t, size_t); 55 1.2.4.2 rmind 56 1.2.4.2 rmind int nand_io_submit(device_t, struct buf *); 57 1.2.4.2 rmind void nand_sync_thread(void *); 58 1.2.4.2 rmind int nand_sync_thread_start(device_t); 59 1.2.4.2 rmind void nand_sync_thread_stop(device_t); 60 1.2.4.2 rmind 61 1.2.4.2 rmind bool nand_isfactorybad(device_t, flash_addr_t); 62 1.2.4.2 rmind bool nand_iswornoutbad(device_t, flash_addr_t); 63 1.2.4.2 rmind bool nand_isbad(device_t, flash_addr_t); 64 1.2.4.2 rmind void nand_markbad(device_t, size_t); 65 1.2.4.2 rmind 66 1.2.4.2 rmind int nand_read_page(device_t, size_t, uint8_t *); 67 1.2.4.2 rmind int nand_read_oob(device_t self, size_t page, void *oob); 68 1.2.4.2 rmind 69 1.2.4.2 rmind /* 70 1.2.4.2 rmind * default functions for driver development 71 1.2.4.2 rmind */ 72 1.2.4.2 rmind void nand_default_select(device_t, bool); 73 1.2.4.2 rmind int nand_default_ecc_compute(device_t, const uint8_t *, uint8_t *); 74 1.2.4.2 rmind int nand_default_ecc_correct(device_t, uint8_t *, const uint8_t *, 75 1.2.4.2 rmind const uint8_t *); 76 1.2.4.2 rmind 77 1.2.4.2 rmind static inline void nand_busy(device_t); 78 1.2.4.2 rmind static inline void nand_select(device_t, bool); 79 1.2.4.2 rmind static inline void nand_command(device_t, uint8_t); 80 1.2.4.2 rmind static inline void nand_address(device_t, uint32_t); 81 1.2.4.2 rmind static inline void nand_read_buf_byte(device_t, void *, size_t); 82 1.2.4.2 rmind static inline void nand_read_buf_word(device_t, void *, size_t); 83 1.2.4.2 rmind static inline void nand_read_byte(device_t, uint8_t *); 84 1.2.4.2 rmind static inline void nand_write_buf_byte(device_t, const void *, size_t); 85 1.2.4.2 rmind static inline void nand_write_buf_word(device_t, const void *, size_t); 86 1.2.4.2 rmind //static inline bool nand_block_isbad(device_t, off_t); 87 1.2.4.2 rmind //static inline void nand_block_markbad(device_t, off_t); 88 1.2.4.2 rmind //static inline bool nand_isbusy(device_t); 89 1.2.4.2 rmind 90 1.2.4.2 rmind //#define NAND_DEBUG 1 91 1.2.4.2 rmind #ifdef NAND_DEBUG 92 1.2.4.2 rmind #define DPRINTF(x) if (nanddebug) printf x 93 1.2.4.2 rmind #define DPRINTFN(n,x) if (nanddebug>(n)) printf x 94 1.2.4.2 rmind #else 95 1.2.4.2 rmind #define DPRINTF(x) 96 1.2.4.2 rmind #define DPRINTFN(n,x) 97 1.2.4.2 rmind #endif 98 1.2.4.2 rmind 99 1.2.4.2 rmind #define NAND_VERBOSE 100 1.2.4.2 rmind 101 1.2.4.2 rmind /* same as in linux for compatibility */ 102 1.2.4.2 rmind enum { 103 1.2.4.2 rmind NAND_BAD_MARKER_OFFSET = 0, 104 1.2.4.2 rmind NAND_BAD_MARKER_OFFSET_SMALL = 5 105 1.2.4.2 rmind }; 106 1.2.4.2 rmind 107 1.2.4.2 rmind /* feature flags use in nc_flags */ 108 1.2.4.2 rmind enum { 109 1.2.4.2 rmind NC_BUSWIDTH_16 = (1<<0), 110 1.2.4.2 rmind NC_SOURCE_SYNC = (1<<2), 111 1.2.4.2 rmind NC_INTERLEAVED_PE = (1<<1), 112 1.2.4.2 rmind NC_INTERLEAVED_R = (1<<3), 113 1.2.4.2 rmind NC_EXTENDED_PARAM = (1<<4) 114 1.2.4.2 rmind }; 115 1.2.4.2 rmind 116 1.2.4.2 rmind /* various quirks used in nc_quirks */ 117 1.2.4.2 rmind enum { 118 1.2.4.2 rmind NC_QUIRK_NO_READ_START = (1<<0) 119 1.2.4.2 rmind }; 120 1.2.4.2 rmind 121 1.2.4.2 rmind enum { 122 1.2.4.2 rmind NAND_ECC_READ, 123 1.2.4.2 rmind NAND_ECC_WRITE 124 1.2.4.2 rmind }; 125 1.2.4.2 rmind 126 1.2.4.2 rmind enum { 127 1.2.4.2 rmind NAND_ECC_OK, 128 1.2.4.2 rmind NAND_ECC_CORRECTED, 129 1.2.4.2 rmind NAND_ECC_INVALID, 130 1.2.4.2 rmind NAND_ECC_TWOBIT 131 1.2.4.2 rmind }; 132 1.2.4.2 rmind 133 1.2.4.2 rmind enum { 134 1.2.4.2 rmind NAND_ECC_TYPE_HW, 135 1.2.4.2 rmind NAND_ECC_TYPE_SW 136 1.2.4.2 rmind }; 137 1.2.4.2 rmind 138 1.2.4.2 rmind struct nand_bbt { 139 1.2.4.2 rmind uint8_t *nbbt_bitmap; 140 1.2.4.2 rmind size_t nbbt_size; 141 1.2.4.2 rmind }; 142 1.2.4.2 rmind 143 1.2.4.2 rmind struct nand_ecc { 144 1.2.4.2 rmind size_t necc_offset; /* offset of ecc data in oob */ 145 1.2.4.2 rmind size_t necc_size; /* size of ecc data in oob */ 146 1.2.4.2 rmind size_t necc_block_size; /* block size used in ecc calc */ 147 1.2.4.2 rmind size_t necc_code_size; /* reduntant bytes per block */ 148 1.2.4.2 rmind int necc_steps; /* pagesize / code size */ 149 1.2.4.2 rmind int necc_type; /* type of the ecc engine */ 150 1.2.4.2 rmind }; 151 1.2.4.2 rmind 152 1.2.4.2 rmind /** 153 1.2.4.2 rmind * nand_chip: structure containing the required information 154 1.2.4.2 rmind * about the NAND chip. 155 1.2.4.2 rmind */ 156 1.2.4.2 rmind struct nand_chip { 157 1.2.4.2 rmind uint8_t *nc_oob_cache; /* buffer for oob cache */ 158 1.2.4.2 rmind uint8_t *nc_page_cache; /* buffer for page cache */ 159 1.2.4.2 rmind uint8_t *nc_ecc_cache; 160 1.2.4.2 rmind size_t nc_size; /* storage size in bytes */ 161 1.2.4.2 rmind size_t nc_page_size; /* page size in bytes */ 162 1.2.4.2 rmind size_t nc_block_pages; /* block size in pages */ 163 1.2.4.2 rmind size_t nc_block_size; /* block size in bytes */ 164 1.2.4.2 rmind size_t nc_spare_size; /* spare (oob) size in bytes */ 165 1.2.4.2 rmind uint32_t nc_flags; /* bitfield flags */ 166 1.2.4.2 rmind uint32_t nc_quirks; /* bitfield quirks */ 167 1.2.4.2 rmind unsigned int nc_page_shift; /* page shift for page alignment */ 168 1.2.4.2 rmind unsigned int nc_page_mask; /* page mask for page alignment */ 169 1.2.4.2 rmind unsigned int nc_block_shift; /* write shift */ 170 1.2.4.2 rmind unsigned int nc_block_mask; /* write mask */ 171 1.2.4.2 rmind uint8_t nc_manf_id; /* manufacturer id */ 172 1.2.4.2 rmind uint8_t nc_dev_id; /* device id */ 173 1.2.4.2 rmind uint8_t nc_addr_cycles_row; /* row cycles for addressing */ 174 1.2.4.2 rmind uint8_t nc_addr_cycles_column; /* column cycles for addressing */ 175 1.2.4.2 rmind uint8_t nc_badmarker_offs; /* offset for marking bad blocks */ 176 1.2.4.2 rmind 177 1.2.4.2 rmind struct nand_ecc *nc_ecc; 178 1.2.4.2 rmind }; 179 1.2.4.2 rmind 180 1.2.4.2 rmind struct nand_write_cache { 181 1.2.4.2 rmind struct bintime nwc_creation; 182 1.2.4.2 rmind struct bintime nwc_last_write; 183 1.2.4.2 rmind struct bufq_state *nwc_bufq; 184 1.2.4.2 rmind uint8_t *nwc_data; 185 1.2.4.2 rmind daddr_t nwc_block; 186 1.2.4.2 rmind kmutex_t nwc_lock; 187 1.2.4.2 rmind bool nwc_write_pending; 188 1.2.4.2 rmind }; 189 1.2.4.2 rmind 190 1.2.4.2 rmind /* driver softc for nand */ 191 1.2.4.2 rmind struct nand_softc { 192 1.2.4.2 rmind device_t sc_dev; 193 1.2.4.2 rmind device_t nand_dev; 194 1.2.4.2 rmind struct nand_interface *nand_if; 195 1.2.4.2 rmind void *nand_softc; 196 1.2.4.2 rmind struct nand_chip sc_chip; 197 1.2.4.2 rmind struct nand_bbt sc_bbt; 198 1.2.4.2 rmind size_t sc_part_offset; 199 1.2.4.2 rmind size_t sc_part_size; 200 1.2.4.2 rmind kmutex_t sc_device_lock; /* serialize access to chip */ 201 1.2.4.2 rmind 202 1.2.4.2 rmind /* for the i/o thread */ 203 1.2.4.2 rmind struct lwp *sc_sync_thread; 204 1.2.4.2 rmind struct nand_write_cache sc_cache; 205 1.2.4.2 rmind kmutex_t sc_io_lock; 206 1.2.4.2 rmind kmutex_t sc_waitq_lock; 207 1.2.4.2 rmind kcondvar_t sc_io_cv; 208 1.2.4.2 rmind bool sc_io_running; 209 1.2.4.2 rmind }; 210 1.2.4.2 rmind 211 1.2.4.2 rmind /* structure holding the nand api */ 212 1.2.4.2 rmind struct nand_interface 213 1.2.4.2 rmind { 214 1.2.4.2 rmind void (*select) (device_t, bool); 215 1.2.4.2 rmind void (*command) (device_t, uint8_t); 216 1.2.4.2 rmind void (*address) (device_t, uint8_t); 217 1.2.4.2 rmind void (*read_buf_byte) (device_t, void *, size_t); 218 1.2.4.2 rmind void (*read_buf_word) (device_t, void *, size_t); 219 1.2.4.2 rmind void (*read_byte) (device_t, uint8_t *); 220 1.2.4.2 rmind void (*read_word) (device_t, uint16_t *); 221 1.2.4.2 rmind void (*write_buf_byte) (device_t, const void *, size_t); 222 1.2.4.2 rmind void (*write_buf_word) (device_t, const void *, size_t); 223 1.2.4.2 rmind void (*write_byte) (device_t, uint8_t); 224 1.2.4.2 rmind void (*write_word) (device_t, uint16_t); 225 1.2.4.2 rmind void (*busy) (device_t); 226 1.2.4.2 rmind 227 1.2.4.2 rmind /* functions specific to ecc computation */ 228 1.2.4.2 rmind int (*ecc_prepare)(device_t, int); 229 1.2.4.2 rmind int (*ecc_compute)(device_t, const uint8_t *, uint8_t *); 230 1.2.4.2 rmind int (*ecc_correct)(device_t, uint8_t *, const uint8_t *, 231 1.2.4.2 rmind const uint8_t *); 232 1.2.4.2 rmind 233 1.2.4.2 rmind struct nand_ecc ecc; 234 1.2.4.2 rmind 235 1.2.4.2 rmind /* flash partition information */ 236 1.2.4.2 rmind const struct flash_partition *part_info; 237 1.2.4.2 rmind int part_num; 238 1.2.4.2 rmind }; 239 1.2.4.2 rmind 240 1.2.4.2 rmind /* attach args */ 241 1.2.4.2 rmind struct nand_attach_args { 242 1.2.4.2 rmind struct nand_interface *naa_nand_if; 243 1.2.4.2 rmind }; 244 1.2.4.2 rmind 245 1.2.4.2 rmind device_t nand_attach_mi(struct nand_interface *nand_if, device_t dev); 246 1.2.4.2 rmind 247 1.2.4.2 rmind static inline void 248 1.2.4.2 rmind nand_busy(device_t device) 249 1.2.4.2 rmind { 250 1.2.4.2 rmind struct nand_softc *sc = device_private(device); 251 1.2.4.2 rmind 252 1.2.4.2 rmind KASSERT(sc->nand_if->select != NULL); 253 1.2.4.2 rmind KASSERT(sc->nand_dev != NULL); 254 1.2.4.2 rmind 255 1.2.4.2 rmind sc->nand_if->select(sc->nand_dev, true); 256 1.2.4.2 rmind 257 1.2.4.2 rmind if (sc->nand_if->busy != NULL) { 258 1.2.4.2 rmind sc->nand_if->busy(sc->nand_dev); 259 1.2.4.2 rmind } 260 1.2.4.2 rmind 261 1.2.4.2 rmind sc->nand_if->select(sc->nand_dev, false); 262 1.2.4.2 rmind } 263 1.2.4.2 rmind 264 1.2.4.2 rmind static inline void 265 1.2.4.2 rmind nand_select(device_t self, bool enable) 266 1.2.4.2 rmind { 267 1.2.4.2 rmind struct nand_softc *sc = device_private(self); 268 1.2.4.2 rmind 269 1.2.4.2 rmind KASSERT(sc->nand_if->select != NULL); 270 1.2.4.2 rmind KASSERT(sc->nand_dev != NULL); 271 1.2.4.2 rmind 272 1.2.4.2 rmind sc->nand_if->select(sc->nand_dev, enable); 273 1.2.4.2 rmind } 274 1.2.4.2 rmind 275 1.2.4.2 rmind static inline void 276 1.2.4.2 rmind nand_address(device_t self, uint32_t address) 277 1.2.4.2 rmind { 278 1.2.4.2 rmind struct nand_softc *sc = device_private(self); 279 1.2.4.2 rmind 280 1.2.4.2 rmind KASSERT(sc->nand_if->address != NULL); 281 1.2.4.2 rmind KASSERT(sc->nand_dev != NULL); 282 1.2.4.2 rmind 283 1.2.4.2 rmind sc->nand_if->address(sc->nand_dev, address); 284 1.2.4.2 rmind } 285 1.2.4.2 rmind 286 1.2.4.2 rmind static inline void 287 1.2.4.2 rmind nand_command(device_t self, uint8_t command) 288 1.2.4.2 rmind { 289 1.2.4.2 rmind struct nand_softc *sc = device_private(self); 290 1.2.4.2 rmind 291 1.2.4.2 rmind KASSERT(sc->nand_if->command != NULL); 292 1.2.4.2 rmind KASSERT(sc->nand_dev != NULL); 293 1.2.4.2 rmind 294 1.2.4.2 rmind sc->nand_if->command(sc->nand_dev, command); 295 1.2.4.2 rmind } 296 1.2.4.2 rmind 297 1.2.4.2 rmind static inline void 298 1.2.4.2 rmind nand_read_byte(device_t self, uint8_t *data) 299 1.2.4.2 rmind { 300 1.2.4.2 rmind struct nand_softc *sc = device_private(self); 301 1.2.4.2 rmind 302 1.2.4.2 rmind KASSERT(sc->nand_if->read_byte != NULL); 303 1.2.4.2 rmind KASSERT(sc->nand_dev != NULL); 304 1.2.4.2 rmind 305 1.2.4.2 rmind sc->nand_if->read_byte(sc->nand_dev, data); 306 1.2.4.2 rmind } 307 1.2.4.2 rmind 308 1.2.4.2 rmind static inline void 309 1.2.4.2 rmind nand_write_byte(device_t self, uint8_t data) 310 1.2.4.2 rmind { 311 1.2.4.2 rmind struct nand_softc *sc = device_private(self); 312 1.2.4.2 rmind 313 1.2.4.2 rmind KASSERT(sc->nand_if->write_byte != NULL); 314 1.2.4.2 rmind KASSERT(sc->nand_dev != NULL); 315 1.2.4.2 rmind 316 1.2.4.2 rmind sc->nand_if->write_byte(sc->nand_dev, data); 317 1.2.4.2 rmind } 318 1.2.4.2 rmind 319 1.2.4.2 rmind static inline void 320 1.2.4.2 rmind nand_read_word(device_t self, uint16_t *data) 321 1.2.4.2 rmind { 322 1.2.4.2 rmind struct nand_softc *sc = device_private(self); 323 1.2.4.2 rmind 324 1.2.4.2 rmind KASSERT(sc->nand_if->read_word != NULL); 325 1.2.4.2 rmind KASSERT(sc->nand_dev != NULL); 326 1.2.4.2 rmind 327 1.2.4.2 rmind sc->nand_if->read_word(sc->nand_dev, data); 328 1.2.4.2 rmind } 329 1.2.4.2 rmind 330 1.2.4.2 rmind static inline void 331 1.2.4.2 rmind nand_write_word(device_t self, uint16_t data) 332 1.2.4.2 rmind { 333 1.2.4.2 rmind struct nand_softc *sc = device_private(self); 334 1.2.4.2 rmind 335 1.2.4.2 rmind KASSERT(sc->nand_if->write_word != NULL); 336 1.2.4.2 rmind KASSERT(sc->nand_dev != NULL); 337 1.2.4.2 rmind 338 1.2.4.2 rmind sc->nand_if->write_word(sc->nand_dev, data); 339 1.2.4.2 rmind } 340 1.2.4.2 rmind 341 1.2.4.2 rmind static inline void 342 1.2.4.2 rmind nand_read_buf_byte(device_t self, void *buf, size_t size) 343 1.2.4.2 rmind { 344 1.2.4.2 rmind struct nand_softc *sc = device_private(self); 345 1.2.4.2 rmind 346 1.2.4.2 rmind KASSERT(sc->nand_if->read_buf_byte != NULL); 347 1.2.4.2 rmind KASSERT(sc->nand_dev != NULL); 348 1.2.4.2 rmind 349 1.2.4.2 rmind sc->nand_if->read_buf_byte(sc->nand_dev, buf, size); 350 1.2.4.2 rmind } 351 1.2.4.2 rmind 352 1.2.4.2 rmind static inline void 353 1.2.4.2 rmind nand_read_buf_word(device_t self, void *buf, size_t size) 354 1.2.4.2 rmind { 355 1.2.4.2 rmind struct nand_softc *sc = device_private(self); 356 1.2.4.2 rmind 357 1.2.4.2 rmind KASSERT(sc->nand_if->read_buf_word != NULL); 358 1.2.4.2 rmind KASSERT(sc->nand_dev != NULL); 359 1.2.4.2 rmind 360 1.2.4.2 rmind sc->nand_if->read_buf_word(sc->nand_dev, buf, size); 361 1.2.4.2 rmind } 362 1.2.4.2 rmind 363 1.2.4.2 rmind static inline void 364 1.2.4.2 rmind nand_write_buf_byte(device_t self, const void *buf, size_t size) 365 1.2.4.2 rmind { 366 1.2.4.2 rmind struct nand_softc *sc = device_private(self); 367 1.2.4.2 rmind 368 1.2.4.2 rmind KASSERT(sc->nand_if->write_buf_byte != NULL); 369 1.2.4.2 rmind KASSERT(sc->nand_dev != NULL); 370 1.2.4.2 rmind 371 1.2.4.2 rmind sc->nand_if->write_buf_byte(sc->nand_dev, buf, size); 372 1.2.4.2 rmind } 373 1.2.4.2 rmind 374 1.2.4.2 rmind static inline void 375 1.2.4.2 rmind nand_write_buf_word(device_t self, const void *buf, size_t size) 376 1.2.4.2 rmind { 377 1.2.4.2 rmind struct nand_softc *sc = device_private(self); 378 1.2.4.2 rmind 379 1.2.4.2 rmind KASSERT(sc->nand_if->write_buf_word != NULL); 380 1.2.4.2 rmind KASSERT(sc->nand_dev != NULL); 381 1.2.4.2 rmind 382 1.2.4.2 rmind sc->nand_if->write_buf_word(sc->nand_dev, buf, size); 383 1.2.4.2 rmind } 384 1.2.4.2 rmind 385 1.2.4.2 rmind static inline int 386 1.2.4.2 rmind nand_ecc_correct(device_t self, uint8_t *data, const uint8_t *oldcode, 387 1.2.4.2 rmind const uint8_t *newcode) 388 1.2.4.2 rmind { 389 1.2.4.2 rmind struct nand_softc *sc = device_private(self); 390 1.2.4.2 rmind 391 1.2.4.2 rmind KASSERT(sc->nand_if->ecc_correct != NULL); 392 1.2.4.2 rmind KASSERT(sc->nand_dev != NULL); 393 1.2.4.2 rmind 394 1.2.4.2 rmind return sc->nand_if->ecc_correct(sc->nand_dev, data, oldcode, newcode); 395 1.2.4.2 rmind } 396 1.2.4.2 rmind 397 1.2.4.2 rmind static inline void 398 1.2.4.2 rmind nand_ecc_compute(device_t self, const uint8_t *data, uint8_t *code) 399 1.2.4.2 rmind { 400 1.2.4.2 rmind struct nand_softc *sc = device_private(self); 401 1.2.4.2 rmind 402 1.2.4.2 rmind KASSERT(sc->nand_if->ecc_compute != NULL); 403 1.2.4.2 rmind KASSERT(sc->nand_dev != NULL); 404 1.2.4.2 rmind 405 1.2.4.2 rmind sc->nand_if->ecc_compute(sc->nand_dev, data, code); 406 1.2.4.2 rmind } 407 1.2.4.2 rmind 408 1.2.4.2 rmind static inline void 409 1.2.4.2 rmind nand_ecc_prepare(device_t self, int mode) 410 1.2.4.2 rmind { 411 1.2.4.2 rmind struct nand_softc *sc = device_private(self); 412 1.2.4.2 rmind 413 1.2.4.2 rmind KASSERT(sc->nand_dev != NULL); 414 1.2.4.2 rmind 415 1.2.4.2 rmind if (sc->nand_if->ecc_prepare != NULL) 416 1.2.4.2 rmind sc->nand_if->ecc_prepare(sc->nand_dev, mode); 417 1.2.4.2 rmind } 418 1.2.4.2 rmind 419 1.2.4.2 rmind #if 0 420 1.2.4.2 rmind static inline bool 421 1.2.4.2 rmind nand_block_isbad(device_t self, off_t block) 422 1.2.4.2 rmind { 423 1.2.4.2 rmind struct nand_softc *sc = device_private(self); 424 1.2.4.2 rmind 425 1.2.4.2 rmind KASSERT(sc->nand_if->block_isbad != NULL); 426 1.2.4.2 rmind KASSERT(sc->nand_dev != NULL); 427 1.2.4.2 rmind 428 1.2.4.2 rmind return sc->nand_if->block_isbad(sc->nand_dev, block); 429 1.2.4.2 rmind } 430 1.2.4.2 rmind #endif 431 1.2.4.2 rmind 432 1.2.4.2 rmind /* Manufacturer IDs defined by JEDEC */ 433 1.2.4.2 rmind enum { 434 1.2.4.2 rmind NAND_MFR_UNKNOWN = 0x00, 435 1.2.4.2 rmind NAND_MFR_AMD = 0x01, 436 1.2.4.2 rmind NAND_MFR_FUJITSU = 0x04, 437 1.2.4.2 rmind NAND_MFR_RENESAS = 0x07, 438 1.2.4.2 rmind NAND_MFR_STMICRO = 0x20, 439 1.2.4.2 rmind NAND_MFR_MICRON = 0x2c, 440 1.2.4.2 rmind NAND_MFR_NATIONAL = 0x8f, 441 1.2.4.2 rmind NAND_MFR_TOSHIBA = 0x98, 442 1.2.4.2 rmind NAND_MFR_HYNIX = 0xad, 443 1.2.4.2 rmind NAND_MFR_SAMSUNG = 0xec 444 1.2.4.2 rmind }; 445 1.2.4.2 rmind 446 1.2.4.2 rmind struct nand_manufacturer { 447 1.2.4.2 rmind int id; 448 1.2.4.2 rmind const char *name; 449 1.2.4.2 rmind }; 450 1.2.4.2 rmind 451 1.2.4.2 rmind extern const struct nand_manufacturer nand_mfrs[]; 452 1.2.4.2 rmind 453 1.2.4.2 rmind static inline void 454 1.2.4.2 rmind nand_dump_data(const char *name, void *data, size_t len) 455 1.2.4.2 rmind { 456 1.2.4.2 rmind printf("dumping %s\n--------------\n", name); 457 1.2.4.2 rmind uint8_t *dump = data; 458 1.2.4.2 rmind for (int i = 0; i < len; i++) { 459 1.2.4.2 rmind printf("0x%.2hhx ", *dump); 460 1.2.4.2 rmind dump++; 461 1.2.4.2 rmind } 462 1.2.4.2 rmind printf("\n--------------\n"); 463 1.2.4.2 rmind } 464 1.2.4.2 rmind 465 1.2.4.2 rmind #endif /* _NAND_H_ */ 466
Indexes created Thu Oct 02 01:09:59 GMT 2025