blob: 41aaf7f266f11b36a82f073f41f383fc2810e948 [file] [log] [blame]
wdenkdc7c9a12003-03-26 06:55:25 +00001/*
2 * Driver for NAND support, Rick Bronson
3 * borrowed heavily from:
4 * (c) 1999 Machine Vision Holdings, Inc.
5 * (c) 1999, 2000 David Woodhouse <dwmw2@infradead.org>
wdenk384cc682005-04-03 22:35:21 +00006 *
Ben Gardinerc9f73512010-07-05 13:27:07 -04007 * Ported 'dynenv' to 'nand env.oob' command
8 * (C) 2010 Nanometrics, Inc.
9 * 'dynenv' -- Dynamic environment offset in NAND OOB
10 * (C) Copyright 2006-2007 OpenMoko, Inc.
wdenk384cc682005-04-03 22:35:21 +000011 * Added 16-bit nand support
12 * (C) 2004 Texas Instruments
Scott Woodea533c22010-08-02 13:04:24 -050013 *
14 * Copyright 2010 Freescale Semiconductor
15 * The portions of this file whose copyright is held by Freescale and which
16 * are not considered a derived work of GPL v2-only code may be distributed
17 * and/or modified under the terms of the GNU General Public License as
18 * published by the Free Software Foundation; either version 2 of the
19 * License, or (at your option) any later version.
wdenkdc7c9a12003-03-26 06:55:25 +000020 */
21
22#include <common.h>
William Juulcfa460a2007-10-31 13:53:06 +010023#include <linux/mtd/mtd.h>
Bartlomiej Siekaaddb2e12006-03-05 18:57:33 +010024#include <command.h>
25#include <watchdog.h>
26#include <malloc.h>
27#include <asm/byteorder.h>
Bartlomiej Siekaaddb2e12006-03-05 18:57:33 +010028#include <jffs2/jffs2.h>
29#include <nand.h>
30
Ladislav Michl0c8a8492009-04-21 02:26:31 +020031#if defined(CONFIG_CMD_MTDPARTS)
Stefan Roese856f0542006-10-28 15:55:52 +020032
Wolfgang Denk445093d2009-11-17 21:27:39 +010033/* partition handling routines */
Stefan Roese856f0542006-10-28 15:55:52 +020034int mtdparts_init(void);
35int id_parse(const char *id, const char **ret_id, u8 *dev_type, u8 *dev_num);
36int find_dev_and_part(const char *id, struct mtd_device **dev,
Wolfgang Denk4b070802008-08-14 14:41:06 +020037 u8 *part_num, struct part_info **part);
Stefan Roese856f0542006-10-28 15:55:52 +020038#endif
39
William Juul9ad754f2007-12-14 16:33:45 +010040static int nand_dump(nand_info_t *nand, ulong off, int only_oob)
Bartlomiej Siekaaddb2e12006-03-05 18:57:33 +010041{
42 int i;
William Juul9ad754f2007-12-14 16:33:45 +010043 u_char *datbuf, *oobbuf, *p;
Bartlomiej Siekaaddb2e12006-03-05 18:57:33 +010044
William Juul9ad754f2007-12-14 16:33:45 +010045 datbuf = malloc(nand->writesize + nand->oobsize);
46 oobbuf = malloc(nand->oobsize);
47 if (!datbuf || !oobbuf) {
Bartlomiej Siekaaddb2e12006-03-05 18:57:33 +010048 puts("No memory for page buffer\n");
49 return 1;
50 }
William Juulcfa460a2007-10-31 13:53:06 +010051 off &= ~(nand->writesize - 1);
William Juulcfa460a2007-10-31 13:53:06 +010052 loff_t addr = (loff_t) off;
William Juul9ad754f2007-12-14 16:33:45 +010053 struct mtd_oob_ops ops;
54 memset(&ops, 0, sizeof(ops));
55 ops.datbuf = datbuf;
56 ops.oobbuf = oobbuf; /* must exist, but oob data will be appended to ops.datbuf */
57 ops.len = nand->writesize;
58 ops.ooblen = nand->oobsize;
59 ops.mode = MTD_OOB_RAW;
60 i = nand->read_oob(nand, addr, &ops);
Bartlomiej Siekaaddb2e12006-03-05 18:57:33 +010061 if (i < 0) {
Stefan Roesee8706902008-07-10 10:10:54 +020062 printf("Error (%d) reading page %08lx\n", i, off);
William Juul9ad754f2007-12-14 16:33:45 +010063 free(datbuf);
64 free(oobbuf);
Bartlomiej Siekaaddb2e12006-03-05 18:57:33 +010065 return 1;
66 }
Stefan Roesee8706902008-07-10 10:10:54 +020067 printf("Page %08lx dump:\n", off);
William Juul9ad754f2007-12-14 16:33:45 +010068 i = nand->writesize >> 4;
69 p = datbuf;
Wolfgang Denk4b070802008-08-14 14:41:06 +020070
Bartlomiej Siekaaddb2e12006-03-05 18:57:33 +010071 while (i--) {
William Juul9ad754f2007-12-14 16:33:45 +010072 if (!only_oob)
73 printf("\t%02x %02x %02x %02x %02x %02x %02x %02x"
74 " %02x %02x %02x %02x %02x %02x %02x %02x\n",
75 p[0], p[1], p[2], p[3], p[4], p[5], p[6], p[7],
Scott Wooddfbf6172008-06-12 13:20:16 -050076 p[8], p[9], p[10], p[11], p[12], p[13], p[14],
77 p[15]);
Bartlomiej Siekaaddb2e12006-03-05 18:57:33 +010078 p += 16;
79 }
80 puts("OOB:\n");
81 i = nand->oobsize >> 3;
82 while (i--) {
William Juulcfa460a2007-10-31 13:53:06 +010083 printf("\t%02x %02x %02x %02x %02x %02x %02x %02x\n",
84 p[0], p[1], p[2], p[3], p[4], p[5], p[6], p[7]);
Bartlomiej Siekaaddb2e12006-03-05 18:57:33 +010085 p += 8;
86 }
William Juul9ad754f2007-12-14 16:33:45 +010087 free(datbuf);
88 free(oobbuf);
Bartlomiej Siekaaddb2e12006-03-05 18:57:33 +010089
90 return 0;
91}
92
93/* ------------------------------------------------------------------------- */
94
Scott Woodea533c22010-08-02 13:04:24 -050095static int set_dev(int dev)
96{
97 if (dev < 0 || dev >= CONFIG_SYS_MAX_NAND_DEVICE ||
98 !nand_info[dev].name) {
99 puts("No such device\n");
100 return -1;
101 }
102
103 if (nand_curr_device == dev)
104 return 0;
105
106 printf("Device %d: %s", dev, nand_info[dev].name);
107 puts("... is now current device\n");
108 nand_curr_device = dev;
109
110#ifdef CONFIG_SYS_NAND_SELECT_DEVICE
111 board_nand_select_device(nand_info[dev].priv, dev);
112#endif
113
114 return 0;
115}
116
117static inline int str2off(const char *p, loff_t *num)
118{
119 char *endptr;
120
121 *num = simple_strtoull(p, &endptr, 16);
122 return *p != '\0' && *endptr == '\0';
123}
124
125static inline int str2long(const char *p, ulong *num)
Bartlomiej Siekaaddb2e12006-03-05 18:57:33 +0100126{
Stefan Roese856f0542006-10-28 15:55:52 +0200127 char *endptr;
Bartlomiej Siekaaddb2e12006-03-05 18:57:33 +0100128
Stefan Roese856f0542006-10-28 15:55:52 +0200129 *num = simple_strtoul(p, &endptr, 16);
Scott Woodea533c22010-08-02 13:04:24 -0500130 return *p != '\0' && *endptr == '\0';
Stefan Roese856f0542006-10-28 15:55:52 +0200131}
Bartlomiej Siekaaddb2e12006-03-05 18:57:33 +0100132
Scott Woodea533c22010-08-02 13:04:24 -0500133static int get_part(const char *partname, int *idx, loff_t *off, loff_t *size)
Stefan Roese856f0542006-10-28 15:55:52 +0200134{
Scott Woodea533c22010-08-02 13:04:24 -0500135#ifdef CONFIG_CMD_MTDPARTS
Stefan Roese856f0542006-10-28 15:55:52 +0200136 struct mtd_device *dev;
137 struct part_info *part;
138 u8 pnum;
Scott Woodea533c22010-08-02 13:04:24 -0500139 int ret;
Bartlomiej Siekaaddb2e12006-03-05 18:57:33 +0100140
Scott Woodea533c22010-08-02 13:04:24 -0500141 ret = mtdparts_init();
142 if (ret)
143 return ret;
144
145 ret = find_dev_and_part(partname, &dev, &pnum, &part);
146 if (ret)
147 return ret;
148
149 if (dev->id->type != MTD_DEV_TYPE_NAND) {
150 puts("not a NAND device\n");
151 return -1;
Stefan Roese856f0542006-10-28 15:55:52 +0200152 }
Bartlomiej Siekaaddb2e12006-03-05 18:57:33 +0100153
Scott Woodea533c22010-08-02 13:04:24 -0500154 *off = part->offset;
155 *size = part->size;
156 *idx = dev->id->num;
157
158 ret = set_dev(*idx);
159 if (ret)
160 return ret;
161
162 return 0;
163#else
164 puts("offset is not a number\n");
165 return -1;
166#endif
167}
168
169static int arg_off(const char *arg, int *idx, loff_t *off, loff_t *maxsize)
170{
171 if (!str2off(arg, off))
172 return get_part(arg, idx, off, maxsize);
173
174 if (*off >= nand_info[*idx].size) {
175 puts("Offset exceeds device limit\n");
176 return -1;
177 }
178
179 *maxsize = nand_info[*idx].size - *off;
180 return 0;
181}
182
183static int arg_off_size(int argc, char *const argv[], int *idx,
184 loff_t *off, loff_t *size)
185{
186 int ret;
187 loff_t maxsize;
188
189 if (argc == 0) {
Stefan Roese856f0542006-10-28 15:55:52 +0200190 *off = 0;
Scott Woodea533c22010-08-02 13:04:24 -0500191 *size = nand_info[*idx].size;
192 goto print;
Bartlomiej Siekaaddb2e12006-03-05 18:57:33 +0100193 }
194
Scott Woodea533c22010-08-02 13:04:24 -0500195 ret = arg_off(argv[0], idx, off, &maxsize);
196 if (ret)
197 return ret;
198
199 if (argc == 1) {
200 *size = maxsize;
201 goto print;
Stefan Roese856f0542006-10-28 15:55:52 +0200202 }
203
Scott Woodea533c22010-08-02 13:04:24 -0500204 if (!str2off(argv[1], size)) {
205 printf("'%s' is not a number\n", argv[1]);
206 return -1;
207 }
208
209 if (*size > maxsize) {
210 puts("Size exceeds partition or device limit\n");
211 return -1;
212 }
213
214print:
215 printf("device %d ", *idx);
216 if (*size == nand_info[*idx].size)
Stefan Roese856f0542006-10-28 15:55:52 +0200217 puts("whole chip\n");
218 else
Scott Woodea533c22010-08-02 13:04:24 -0500219 printf("offset 0x%llx, size 0x%llx\n",
220 (unsigned long long)*off, (unsigned long long)*size);
Stefan Roese856f0542006-10-28 15:55:52 +0200221 return 0;
Bartlomiej Siekaaddb2e12006-03-05 18:57:33 +0100222}
223
Nishanth Menon50657c22008-12-13 09:43:06 -0600224#ifdef CONFIG_CMD_NAND_LOCK_UNLOCK
225static void print_status(ulong start, ulong end, ulong erasesize, int status)
226{
227 printf("%08lx - %08lx: %08lx blocks %s%s%s\n",
228 start,
229 end - 1,
230 (end - start) / erasesize,
231 ((status & NAND_LOCK_STATUS_TIGHT) ? "TIGHT " : ""),
232 ((status & NAND_LOCK_STATUS_LOCK) ? "LOCK " : ""),
233 ((status & NAND_LOCK_STATUS_UNLOCK) ? "UNLOCK " : ""));
234}
235
236static void do_nand_status(nand_info_t *nand)
237{
238 ulong block_start = 0;
239 ulong off;
240 int last_status = -1;
241
242 struct nand_chip *nand_chip = nand->priv;
243 /* check the WP bit */
244 nand_chip->cmdfunc(nand, NAND_CMD_STATUS, -1, -1);
245 printf("device is %swrite protected\n",
246 (nand_chip->read_byte(nand) & 0x80 ?
247 "NOT " : ""));
248
249 for (off = 0; off < nand->size; off += nand->erasesize) {
250 int s = nand_get_lock_status(nand, off);
251
252 /* print message only if status has changed */
253 if (s != last_status && off != 0) {
254 print_status(block_start, off, nand->erasesize,
255 last_status);
256 block_start = off;
257 }
258 last_status = s;
259 }
260 /* Print the last block info */
261 print_status(block_start, off, nand->erasesize, last_status);
262}
263#endif
264
Ben Gardinerc9f73512010-07-05 13:27:07 -0400265#ifdef CONFIG_ENV_OFFSET_OOB
266unsigned long nand_env_oob_offset;
267
Scott Woodea533c22010-08-02 13:04:24 -0500268int do_nand_env_oob(cmd_tbl_t *cmdtp, int argc, char *const argv[])
Ben Gardinerc9f73512010-07-05 13:27:07 -0400269{
270 int ret;
271 uint32_t oob_buf[ENV_OFFSET_SIZE/sizeof(uint32_t)];
Scott Woodea533c22010-08-02 13:04:24 -0500272 nand_info_t *nand = &nand_info[0];
Ben Gardinerc9f73512010-07-05 13:27:07 -0400273 char *cmd = argv[1];
274
Scott Woodea533c22010-08-02 13:04:24 -0500275 if (CONFIG_SYS_MAX_NAND_DEVICE == 0 || !nand->name) {
276 puts("no devices available\n");
277 return 1;
278 }
279
280 set_dev(0);
281
Ben Gardinerc9f73512010-07-05 13:27:07 -0400282 if (!strcmp(cmd, "get")) {
283 ret = get_nand_env_oob(nand, &nand_env_oob_offset);
Scott Wood53504a22010-07-12 18:17:40 -0500284 if (ret)
Ben Gardinerc9f73512010-07-05 13:27:07 -0400285 return 1;
Scott Wood53504a22010-07-12 18:17:40 -0500286
287 printf("0x%08lx\n", nand_env_oob_offset);
Ben Gardinerc9f73512010-07-05 13:27:07 -0400288 } else if (!strcmp(cmd, "set")) {
Scott Woodea533c22010-08-02 13:04:24 -0500289 loff_t addr;
290 loff_t maxsize;
Ben Gardinerc9f73512010-07-05 13:27:07 -0400291 struct mtd_oob_ops ops;
Scott Woodea533c22010-08-02 13:04:24 -0500292 int idx = 0;
Ben Gardinerc9f73512010-07-05 13:27:07 -0400293
294 if (argc < 3)
295 goto usage;
296
Scott Woodea533c22010-08-02 13:04:24 -0500297 if (arg_off(argv[2], &idx, &addr, &maxsize)) {
298 puts("Offset or partition name expected\n");
299 return 1;
300 }
301
302 if (idx != 0) {
303 puts("Partition not on first NAND device\n");
Ben Gardinerc9f73512010-07-05 13:27:07 -0400304 return 1;
305 }
306
307 if (nand->oobavail < ENV_OFFSET_SIZE) {
Scott Wood53504a22010-07-12 18:17:40 -0500308 printf("Insufficient available OOB bytes:\n"
309 "%d OOB bytes available but %d required for "
310 "env.oob support\n",
311 nand->oobavail, ENV_OFFSET_SIZE);
Ben Gardinerc9f73512010-07-05 13:27:07 -0400312 return 1;
313 }
314
315 if ((addr & (nand->erasesize - 1)) != 0) {
316 printf("Environment offset must be block-aligned\n");
317 return 1;
318 }
319
320 ops.datbuf = NULL;
321 ops.mode = MTD_OOB_AUTO;
322 ops.ooboffs = 0;
323 ops.ooblen = ENV_OFFSET_SIZE;
324 ops.oobbuf = (void *) oob_buf;
325
326 oob_buf[0] = ENV_OOB_MARKER;
327 oob_buf[1] = addr / nand->erasesize;
328
329 ret = nand->write_oob(nand, ENV_OFFSET_SIZE, &ops);
Scott Wood53504a22010-07-12 18:17:40 -0500330 if (ret) {
Ben Gardinerc9f73512010-07-05 13:27:07 -0400331 printf("Error writing OOB block 0\n");
332 return ret;
333 }
Scott Wood53504a22010-07-12 18:17:40 -0500334
335 ret = get_nand_env_oob(nand, &nand_env_oob_offset);
336 if (ret) {
337 printf("Error reading env offset in OOB\n");
338 return ret;
339 }
340
341 if (addr != nand_env_oob_offset) {
342 printf("Verification of env offset in OOB failed: "
Scott Woodea533c22010-08-02 13:04:24 -0500343 "0x%08llx expected but got 0x%08lx\n",
344 (unsigned long long)addr, nand_env_oob_offset);
Scott Wood53504a22010-07-12 18:17:40 -0500345 return 1;
346 }
Ben Gardinerc9f73512010-07-05 13:27:07 -0400347 } else {
348 goto usage;
349 }
350
351 return ret;
352
353usage:
Wolfgang Denk47e26b12010-07-17 01:06:04 +0200354 return cmd_usage(cmdtp);
Ben Gardinerc9f73512010-07-05 13:27:07 -0400355}
356
357#endif
358
Wolfgang Grandegger672ed2a2009-02-11 18:38:20 +0100359static void nand_print_info(int idx)
360{
361 nand_info_t *nand = &nand_info[idx];
362 struct nand_chip *chip = nand->priv;
363 printf("Device %d: ", idx);
364 if (chip->numchips > 1)
365 printf("%dx ", chip->numchips);
366 printf("%s, sector size %u KiB\n",
367 nand->name, nand->erasesize >> 10);
368}
369
Wolfgang Denk54841ab2010-06-28 22:00:46 +0200370int do_nand(cmd_tbl_t * cmdtp, int flag, int argc, char * const argv[])
Bartlomiej Siekaaddb2e12006-03-05 18:57:33 +0100371{
Scott Woodea533c22010-08-02 13:04:24 -0500372 int i, ret = 0;
373 ulong addr;
374 loff_t off, size;
Bartlomiej Siekaaddb2e12006-03-05 18:57:33 +0100375 char *cmd, *s;
376 nand_info_t *nand;
Jean-Christophe PLAGNIOL-VILLARD6d0f6bc2008-10-16 15:01:15 +0200377#ifdef CONFIG_SYS_NAND_QUIET
378 int quiet = CONFIG_SYS_NAND_QUIET;
Matthias Fuchsc750d2e2007-09-12 12:36:53 +0200379#else
Stefan Roese2255b2d2006-10-10 12:36:02 +0200380 int quiet = 0;
Matthias Fuchsc750d2e2007-09-12 12:36:53 +0200381#endif
Stefan Roese2255b2d2006-10-10 12:36:02 +0200382 const char *quiet_str = getenv("quiet");
Scott Woodea533c22010-08-02 13:04:24 -0500383 int dev = nand_curr_device;
Bartlomiej Siekaaddb2e12006-03-05 18:57:33 +0100384
385 /* at least two arguments please */
386 if (argc < 2)
387 goto usage;
388
Stefan Roese2255b2d2006-10-10 12:36:02 +0200389 if (quiet_str)
390 quiet = simple_strtoul(quiet_str, NULL, 0) != 0;
391
Bartlomiej Siekaaddb2e12006-03-05 18:57:33 +0100392 cmd = argv[1];
393
394 if (strcmp(cmd, "info") == 0) {
395
396 putc('\n');
Jean-Christophe PLAGNIOL-VILLARD6d0f6bc2008-10-16 15:01:15 +0200397 for (i = 0; i < CONFIG_SYS_MAX_NAND_DEVICE; i++) {
Bartlomiej Siekaaddb2e12006-03-05 18:57:33 +0100398 if (nand_info[i].name)
Wolfgang Grandegger672ed2a2009-02-11 18:38:20 +0100399 nand_print_info(i);
Bartlomiej Siekaaddb2e12006-03-05 18:57:33 +0100400 }
401 return 0;
402 }
403
404 if (strcmp(cmd, "device") == 0) {
Bartlomiej Siekaaddb2e12006-03-05 18:57:33 +0100405 if (argc < 3) {
Wolfgang Grandegger672ed2a2009-02-11 18:38:20 +0100406 putc('\n');
Scott Woodea533c22010-08-02 13:04:24 -0500407 if (dev < 0 || dev >= CONFIG_SYS_MAX_NAND_DEVICE)
Wolfgang Grandegger672ed2a2009-02-11 18:38:20 +0100408 puts("no devices available\n");
Bartlomiej Siekaaddb2e12006-03-05 18:57:33 +0100409 else
Scott Woodea533c22010-08-02 13:04:24 -0500410 nand_print_info(dev);
Bartlomiej Siekaaddb2e12006-03-05 18:57:33 +0100411 return 0;
412 }
Stefan Roese43a2b0e2006-10-20 14:28:52 +0200413
Scott Woodea533c22010-08-02 13:04:24 -0500414 dev = (int)simple_strtoul(argv[2], NULL, 10);
415 set_dev(dev);
Stefan Roese43a2b0e2006-10-20 14:28:52 +0200416
Bartlomiej Siekaaddb2e12006-03-05 18:57:33 +0100417 return 0;
418 }
419
Ben Gardinerc9f73512010-07-05 13:27:07 -0400420#ifdef CONFIG_ENV_OFFSET_OOB
421 /* this command operates only on the first nand device */
Scott Woodea533c22010-08-02 13:04:24 -0500422 if (strcmp(cmd, "env.oob") == 0)
423 return do_nand_env_oob(cmdtp, argc - 1, argv + 1);
Ben Gardinerc9f73512010-07-05 13:27:07 -0400424#endif
425
Scott Woodea533c22010-08-02 13:04:24 -0500426 /* The following commands operate on the current device, unless
427 * overridden by a partition specifier. Note that if somehow the
428 * current device is invalid, it will have to be changed to a valid
429 * one before these commands can run, even if a partition specifier
430 * for another device is to be used.
431 */
432 if (dev < 0 || dev >= CONFIG_SYS_MAX_NAND_DEVICE ||
433 !nand_info[dev].name) {
Bartlomiej Siekaaddb2e12006-03-05 18:57:33 +0100434 puts("\nno devices available\n");
435 return 1;
436 }
Scott Woodea533c22010-08-02 13:04:24 -0500437 nand = &nand_info[dev];
Bartlomiej Siekaaddb2e12006-03-05 18:57:33 +0100438
439 if (strcmp(cmd, "bad") == 0) {
Scott Woodea533c22010-08-02 13:04:24 -0500440 printf("\nDevice %d bad blocks:\n", dev);
Bartlomiej Siekaaddb2e12006-03-05 18:57:33 +0100441 for (off = 0; off < nand->size; off += nand->erasesize)
442 if (nand_block_isbad(nand, off))
Scott Woodea533c22010-08-02 13:04:24 -0500443 printf(" %08llx\n", (unsigned long long)off);
Bartlomiej Siekaaddb2e12006-03-05 18:57:33 +0100444 return 0;
445 }
446
Stefan Roese856f0542006-10-28 15:55:52 +0200447 /*
448 * Syntax is:
449 * 0 1 2 3 4
450 * nand erase [clean] [off size]
451 */
Stefan Roese2255b2d2006-10-10 12:36:02 +0200452 if (strcmp(cmd, "erase") == 0 || strcmp(cmd, "scrub") == 0) {
453 nand_erase_options_t opts;
Stefan Roese856f0542006-10-28 15:55:52 +0200454 /* "clean" at index 2 means request to write cleanmarker */
William Juul3043c042007-11-14 14:28:11 +0100455 int clean = argc > 2 && !strcmp("clean", argv[2]);
Stefan Roese856f0542006-10-28 15:55:52 +0200456 int o = clean ? 3 : 2;
Stefan Roese2255b2d2006-10-10 12:36:02 +0200457 int scrub = !strcmp(cmd, "scrub");
Bartlomiej Siekaaddb2e12006-03-05 18:57:33 +0100458
Stefan Roese856f0542006-10-28 15:55:52 +0200459 printf("\nNAND %s: ", scrub ? "scrub" : "erase");
460 /* skip first two or three arguments, look for offset and size */
Scott Woodea533c22010-08-02 13:04:24 -0500461 if (arg_off_size(argc - o, argv + o, &dev, &off, &size) != 0)
Stefan Roese856f0542006-10-28 15:55:52 +0200462 return 1;
Stefan Roese2255b2d2006-10-10 12:36:02 +0200463
Scott Woodea533c22010-08-02 13:04:24 -0500464 nand = &nand_info[dev];
465
Stefan Roese2255b2d2006-10-10 12:36:02 +0200466 memset(&opts, 0, sizeof(opts));
467 opts.offset = off;
468 opts.length = size;
469 opts.jffs2 = clean;
470 opts.quiet = quiet;
471
472 if (scrub) {
Stefan Roese856f0542006-10-28 15:55:52 +0200473 puts("Warning: "
474 "scrub option will erase all factory set "
475 "bad blocks!\n"
476 " "
477 "There is no reliable way to recover them.\n"
478 " "
479 "Use this command only for testing purposes "
480 "if you\n"
481 " "
482 "are sure of what you are doing!\n"
483 "\nReally scrub this NAND flash? <y/N>\n");
Stefan Roese2255b2d2006-10-10 12:36:02 +0200484
Florian Fainelli6b94b492010-03-20 19:02:58 +0100485 if (getc() == 'y') {
486 puts("y");
487 if (getc() == '\r')
488 opts.scrub = 1;
489 else {
490 puts("scrub aborted\n");
491 return -1;
492 }
Stefan Roese2255b2d2006-10-10 12:36:02 +0200493 } else {
Stefan Roese856f0542006-10-28 15:55:52 +0200494 puts("scrub aborted\n");
Stefan Roese2255b2d2006-10-10 12:36:02 +0200495 return -1;
496 }
497 }
498 ret = nand_erase_opts(nand, &opts);
Bartlomiej Siekaaddb2e12006-03-05 18:57:33 +0100499 printf("%s\n", ret ? "ERROR" : "OK");
500
501 return ret == 0 ? 0 : 1;
502 }
503
504 if (strncmp(cmd, "dump", 4) == 0) {
505 if (argc < 3)
506 goto usage;
507
508 s = strchr(cmd, '.');
509 off = (int)simple_strtoul(argv[2], NULL, 16);
510
511 if (s != NULL && strcmp(s, ".oob") == 0)
William Juul9ad754f2007-12-14 16:33:45 +0100512 ret = nand_dump(nand, off, 1);
Bartlomiej Siekaaddb2e12006-03-05 18:57:33 +0100513 else
William Juul9ad754f2007-12-14 16:33:45 +0100514 ret = nand_dump(nand, off, 0);
Bartlomiej Siekaaddb2e12006-03-05 18:57:33 +0100515
516 return ret == 0 ? 1 : 0;
517
518 }
519
Bartlomiej Siekaaddb2e12006-03-05 18:57:33 +0100520 if (strncmp(cmd, "read", 4) == 0 || strncmp(cmd, "write", 5) == 0) {
Scott Woodea533c22010-08-02 13:04:24 -0500521 size_t rwsize;
Stefan Roese2255b2d2006-10-10 12:36:02 +0200522 int read;
523
Bartlomiej Siekaaddb2e12006-03-05 18:57:33 +0100524 if (argc < 4)
525 goto usage;
Stefan Roese2255b2d2006-10-10 12:36:02 +0200526
Bartlomiej Siekaaddb2e12006-03-05 18:57:33 +0100527 addr = (ulong)simple_strtoul(argv[2], NULL, 16);
528
Stefan Roese2255b2d2006-10-10 12:36:02 +0200529 read = strncmp(cmd, "read", 4) == 0; /* 1 = read, 0 = write */
Stefan Roese856f0542006-10-28 15:55:52 +0200530 printf("\nNAND %s: ", read ? "read" : "write");
Scott Woodea533c22010-08-02 13:04:24 -0500531 if (arg_off_size(argc - 3, argv + 3, &dev, &off, &size) != 0)
Stefan Roese856f0542006-10-28 15:55:52 +0200532 return 1;
William Juul4cbb6512007-11-08 10:39:53 +0100533
Scott Woodea533c22010-08-02 13:04:24 -0500534 nand = &nand_info[dev];
535 rwsize = size;
536
Stefan Roese2255b2d2006-10-10 12:36:02 +0200537 s = strchr(cmd, '.');
Scott Wood984e03c2008-06-12 13:13:23 -0500538 if (!s || !strcmp(s, ".jffs2") ||
539 !strcmp(s, ".e") || !strcmp(s, ".i")) {
Scott Wooddfbf6172008-06-12 13:20:16 -0500540 if (read)
Scott Woodea533c22010-08-02 13:04:24 -0500541 ret = nand_read_skip_bad(nand, off, &rwsize,
Wolfgang Denk4b070802008-08-14 14:41:06 +0200542 (u_char *)addr);
Scott Wooddfbf6172008-06-12 13:20:16 -0500543 else
Scott Woodea533c22010-08-02 13:04:24 -0500544 ret = nand_write_skip_bad(nand, off, &rwsize,
Wolfgang Denk4b070802008-08-14 14:41:06 +0200545 (u_char *)addr);
Mike Frysingerdfc99e12009-04-12 22:29:20 -0400546 } else if (!strcmp(s, ".oob")) {
William Juulcfa460a2007-10-31 13:53:06 +0100547 /* out-of-band data */
548 mtd_oob_ops_t ops = {
549 .oobbuf = (u8 *)addr,
Scott Woodea533c22010-08-02 13:04:24 -0500550 .ooblen = rwsize,
William Juulcfa460a2007-10-31 13:53:06 +0100551 .mode = MTD_OOB_RAW
552 };
553
Harald Welte62d4f432007-12-19 14:12:53 +0100554 if (read)
William Juulcfa460a2007-10-31 13:53:06 +0100555 ret = nand->read_oob(nand, off, &ops);
Harald Welte62d4f432007-12-19 14:12:53 +0100556 else
William Juulcfa460a2007-10-31 13:53:06 +0100557 ret = nand->write_oob(nand, off, &ops);
Stefan Roese856f0542006-10-28 15:55:52 +0200558 } else {
Scott Wood984e03c2008-06-12 13:13:23 -0500559 printf("Unknown nand command suffix '%s'.\n", s);
560 return 1;
Stefan Roese2255b2d2006-10-10 12:36:02 +0200561 }
562
Scott Woodea533c22010-08-02 13:04:24 -0500563 printf(" %zu bytes %s: %s\n", rwsize,
Stefan Roese2255b2d2006-10-10 12:36:02 +0200564 read ? "read" : "written", ret ? "ERROR" : "OK");
Bartlomiej Siekaaddb2e12006-03-05 18:57:33 +0100565
566 return ret == 0 ? 0 : 1;
567 }
Stefan Roese2255b2d2006-10-10 12:36:02 +0200568
Stefan Roese2255b2d2006-10-10 12:36:02 +0200569 if (strcmp(cmd, "markbad") == 0) {
Wolfgang Denk8360b662009-05-24 17:34:33 +0200570 argc -= 2;
571 argv += 2;
Stefan Roese2255b2d2006-10-10 12:36:02 +0200572
Wolfgang Denk8360b662009-05-24 17:34:33 +0200573 if (argc <= 0)
574 goto usage;
575
576 while (argc > 0) {
577 addr = simple_strtoul(*argv, NULL, 16);
578
579 if (nand->block_markbad(nand, addr)) {
580 printf("block 0x%08lx NOT marked "
581 "as bad! ERROR %d\n",
582 addr, ret);
583 ret = 1;
584 } else {
585 printf("block 0x%08lx successfully "
586 "marked as bad\n",
587 addr);
588 }
589 --argc;
590 ++argv;
Stefan Roese2255b2d2006-10-10 12:36:02 +0200591 }
Wolfgang Denk8360b662009-05-24 17:34:33 +0200592 return ret;
Stefan Roese2255b2d2006-10-10 12:36:02 +0200593 }
Scott Wooddfbf6172008-06-12 13:20:16 -0500594
Stefan Roese2255b2d2006-10-10 12:36:02 +0200595 if (strcmp(cmd, "biterr") == 0) {
596 /* todo */
597 return 1;
598 }
599
Nishanth Menon50657c22008-12-13 09:43:06 -0600600#ifdef CONFIG_CMD_NAND_LOCK_UNLOCK
Stefan Roese2255b2d2006-10-10 12:36:02 +0200601 if (strcmp(cmd, "lock") == 0) {
Nishanth Menon50657c22008-12-13 09:43:06 -0600602 int tight = 0;
Stefan Roese2255b2d2006-10-10 12:36:02 +0200603 int status = 0;
604 if (argc == 3) {
605 if (!strcmp("tight", argv[2]))
606 tight = 1;
607 if (!strcmp("status", argv[2]))
608 status = 1;
609 }
Stefan Roese2255b2d2006-10-10 12:36:02 +0200610 if (status) {
Nishanth Menon50657c22008-12-13 09:43:06 -0600611 do_nand_status(nand);
William Juulcfa460a2007-10-31 13:53:06 +0100612 } else {
William Juul5e1dae52007-11-09 13:32:30 +0100613 if (!nand_lock(nand, tight)) {
614 puts("NAND flash successfully locked\n");
615 } else {
616 puts("Error locking NAND flash\n");
617 return 1;
618 }
Stefan Roese2255b2d2006-10-10 12:36:02 +0200619 }
620 return 0;
621 }
622
623 if (strcmp(cmd, "unlock") == 0) {
Stefan Roese856f0542006-10-28 15:55:52 +0200624 if (arg_off_size(argc - 2, argv + 2, nand, &off, &size) < 0)
625 return 1;
Stefan Roese2255b2d2006-10-10 12:36:02 +0200626
Scott Woodea533c22010-08-02 13:04:24 -0500627 if (!nand_unlock(&nand_info[dev], off, size)) {
William Juul5e1dae52007-11-09 13:32:30 +0100628 puts("NAND flash successfully unlocked\n");
629 } else {
630 puts("Error unlocking NAND flash, "
William Juul3043c042007-11-14 14:28:11 +0100631 "write and erase will probably fail\n");
William Juul5e1dae52007-11-09 13:32:30 +0100632 return 1;
633 }
Stefan Roese2255b2d2006-10-10 12:36:02 +0200634 return 0;
635 }
Nishanth Menon50657c22008-12-13 09:43:06 -0600636#endif
Stefan Roese2255b2d2006-10-10 12:36:02 +0200637
Bartlomiej Siekaaddb2e12006-03-05 18:57:33 +0100638usage:
Wolfgang Denk47e26b12010-07-17 01:06:04 +0200639 return cmd_usage(cmdtp);
Bartlomiej Siekaaddb2e12006-03-05 18:57:33 +0100640}
641
Frans Meulenbroeks388a29d2010-07-31 15:01:53 +0200642U_BOOT_CMD(
643 nand, CONFIG_SYS_MAXARGS, 1, do_nand,
Wolfgang Denka89c33d2009-05-24 17:06:54 +0200644 "NAND sub-system",
645 "info - show available NAND devices\n"
646 "nand device [dev] - show or set current device\n"
647 "nand read - addr off|partition size\n"
648 "nand write - addr off|partition size\n"
649 " read/write 'size' bytes starting at offset 'off'\n"
650 " to/from memory address 'addr', skipping bad blocks.\n"
651 "nand erase [clean] [off size] - erase 'size' bytes from\n"
652 " offset 'off' (entire device if not specified)\n"
653 "nand bad - show bad blocks\n"
654 "nand dump[.oob] off - dump page\n"
655 "nand scrub - really clean NAND erasing bad blocks (UNSAFE)\n"
656 "nand markbad off [...] - mark bad block(s) at offset (UNSAFE)\n"
657 "nand biterr off - make a bit error at offset (UNSAFE)"
Nishanth Menon50657c22008-12-13 09:43:06 -0600658#ifdef CONFIG_CMD_NAND_LOCK_UNLOCK
Wolfgang Denka89c33d2009-05-24 17:06:54 +0200659 "\n"
660 "nand lock [tight] [status]\n"
661 " bring nand to lock state or display locked pages\n"
662 "nand unlock [offset] [size] - unlock section"
Nishanth Menon50657c22008-12-13 09:43:06 -0600663#endif
Ben Gardinerc9f73512010-07-05 13:27:07 -0400664#ifdef CONFIG_ENV_OFFSET_OOB
665 "\n"
666 "nand env.oob - environment offset in OOB of block 0 of"
667 " first device.\n"
668 "nand env.oob set off|partition - set enviromnent offset\n"
669 "nand env.oob get - get environment offset"
670#endif
Nishanth Menon50657c22008-12-13 09:43:06 -0600671);
Bartlomiej Siekaaddb2e12006-03-05 18:57:33 +0100672
Stefan Roese856f0542006-10-28 15:55:52 +0200673static int nand_load_image(cmd_tbl_t *cmdtp, nand_info_t *nand,
Wolfgang Denk4b070802008-08-14 14:41:06 +0200674 ulong offset, ulong addr, char *cmd)
Stefan Roese856f0542006-10-28 15:55:52 +0200675{
676 int r;
Thomas Knobloch10e03892007-07-06 14:58:39 +0200677 char *ep, *s;
Wolfgang Denk4ca79f42008-04-28 12:08:18 +0200678 size_t cnt;
Stefan Roese856f0542006-10-28 15:55:52 +0200679 image_header_t *hdr;
Marian Balakowicz09475f72008-03-12 10:33:01 +0100680#if defined(CONFIG_FIT)
Marian Balakowicz3bab76a2008-06-06 23:07:40 +0200681 const void *fit_hdr = NULL;
Marian Balakowicz09475f72008-03-12 10:33:01 +0100682#endif
Thomas Knobloch10e03892007-07-06 14:58:39 +0200683
684 s = strchr(cmd, '.');
685 if (s != NULL &&
Scott Wood65d8bc92009-03-17 12:06:04 -0500686 (strcmp(s, ".jffs2") && strcmp(s, ".e") && strcmp(s, ".i"))) {
Scott Wood984e03c2008-06-12 13:13:23 -0500687 printf("Unknown nand load suffix '%s'\n", s);
688 show_boot_progress(-53);
689 return 1;
690 }
Stefan Roese856f0542006-10-28 15:55:52 +0200691
692 printf("\nLoading from %s, offset 0x%lx\n", nand->name, offset);
693
William Juulcfa460a2007-10-31 13:53:06 +0100694 cnt = nand->writesize;
Ladislav Michl09875052009-03-13 14:38:19 +0100695 r = nand_read_skip_bad(nand, offset, &cnt, (u_char *) addr);
Stefan Roese856f0542006-10-28 15:55:52 +0200696 if (r) {
697 puts("** Read error\n");
Heiko Schocherfad63402007-07-13 09:54:17 +0200698 show_boot_progress (-56);
Stefan Roese856f0542006-10-28 15:55:52 +0200699 return 1;
700 }
Heiko Schocherfad63402007-07-13 09:54:17 +0200701 show_boot_progress (56);
Stefan Roese856f0542006-10-28 15:55:52 +0200702
Marian Balakowicz9a4daad2008-02-29 14:58:34 +0100703 switch (genimg_get_format ((void *)addr)) {
Marian Balakowiczd5934ad2008-02-04 08:28:09 +0100704 case IMAGE_FORMAT_LEGACY:
705 hdr = (image_header_t *)addr;
Stefan Roese856f0542006-10-28 15:55:52 +0200706
Marian Balakowiczd5934ad2008-02-04 08:28:09 +0100707 show_boot_progress (57);
Marian Balakowiczd5934ad2008-02-04 08:28:09 +0100708 image_print_contents (hdr);
709
710 cnt = image_get_image_size (hdr);
711 break;
712#if defined(CONFIG_FIT)
713 case IMAGE_FORMAT_FIT:
Marian Balakowicz09475f72008-03-12 10:33:01 +0100714 fit_hdr = (const void *)addr;
Marian Balakowicz09475f72008-03-12 10:33:01 +0100715 puts ("Fit image detected...\n");
716
717 cnt = fit_get_size (fit_hdr);
718 break;
Marian Balakowiczd5934ad2008-02-04 08:28:09 +0100719#endif
720 default:
Marian Balakowicz09475f72008-03-12 10:33:01 +0100721 show_boot_progress (-57);
Marian Balakowiczd5934ad2008-02-04 08:28:09 +0100722 puts ("** Unknown image type\n");
Stefan Roese856f0542006-10-28 15:55:52 +0200723 return 1;
724 }
William Juul3043c042007-11-14 14:28:11 +0100725 show_boot_progress (57);
Stefan Roese856f0542006-10-28 15:55:52 +0200726
Ladislav Michl09875052009-03-13 14:38:19 +0100727 r = nand_read_skip_bad(nand, offset, &cnt, (u_char *) addr);
Stefan Roese856f0542006-10-28 15:55:52 +0200728 if (r) {
729 puts("** Read error\n");
Heiko Schocherfad63402007-07-13 09:54:17 +0200730 show_boot_progress (-58);
Stefan Roese856f0542006-10-28 15:55:52 +0200731 return 1;
732 }
Heiko Schocherfad63402007-07-13 09:54:17 +0200733 show_boot_progress (58);
Stefan Roese856f0542006-10-28 15:55:52 +0200734
Marian Balakowicz09475f72008-03-12 10:33:01 +0100735#if defined(CONFIG_FIT)
736 /* This cannot be done earlier, we need complete FIT image in RAM first */
Marian Balakowicz3bab76a2008-06-06 23:07:40 +0200737 if (genimg_get_format ((void *)addr) == IMAGE_FORMAT_FIT) {
738 if (!fit_check_format (fit_hdr)) {
739 show_boot_progress (-150);
740 puts ("** Bad FIT image format\n");
741 return 1;
742 }
743 show_boot_progress (151);
744 fit_print_contents (fit_hdr);
745 }
Marian Balakowicz09475f72008-03-12 10:33:01 +0100746#endif
747
Stefan Roese856f0542006-10-28 15:55:52 +0200748 /* Loading ok, update default load address */
749
750 load_addr = addr;
751
752 /* Check if we should attempt an auto-start */
753 if (((ep = getenv("autostart")) != NULL) && (strcmp(ep, "yes") == 0)) {
754 char *local_args[2];
755 extern int do_bootm(cmd_tbl_t *, int, int, char *[]);
756
757 local_args[0] = cmd;
758 local_args[1] = NULL;
759
760 printf("Automatic boot of image at addr 0x%08lx ...\n", addr);
761
762 do_bootm(cmdtp, 0, 1, local_args);
763 return 1;
764 }
765 return 0;
766}
767
Wolfgang Denk54841ab2010-06-28 22:00:46 +0200768int do_nandboot(cmd_tbl_t * cmdtp, int flag, int argc, char * const argv[])
Bartlomiej Siekaaddb2e12006-03-05 18:57:33 +0100769{
770 char *boot_device = NULL;
Stefan Roese856f0542006-10-28 15:55:52 +0200771 int idx;
772 ulong addr, offset = 0;
Ladislav Michl0c8a8492009-04-21 02:26:31 +0200773#if defined(CONFIG_CMD_MTDPARTS)
Stefan Roese856f0542006-10-28 15:55:52 +0200774 struct mtd_device *dev;
775 struct part_info *part;
776 u8 pnum;
777
778 if (argc >= 2) {
779 char *p = (argc == 2) ? argv[1] : argv[2];
780 if (!(str2long(p, &addr)) && (mtdparts_init() == 0) &&
781 (find_dev_and_part(p, &dev, &pnum, &part) == 0)) {
782 if (dev->id->type != MTD_DEV_TYPE_NAND) {
783 puts("Not a NAND device\n");
784 return 1;
785 }
786 if (argc > 3)
787 goto usage;
788 if (argc == 3)
Thomas Knobloch10e03892007-07-06 14:58:39 +0200789 addr = simple_strtoul(argv[1], NULL, 16);
Stefan Roese856f0542006-10-28 15:55:52 +0200790 else
Jean-Christophe PLAGNIOL-VILLARD6d0f6bc2008-10-16 15:01:15 +0200791 addr = CONFIG_SYS_LOAD_ADDR;
Stefan Roese856f0542006-10-28 15:55:52 +0200792 return nand_load_image(cmdtp, &nand_info[dev->id->num],
Wolfgang Denk4b070802008-08-14 14:41:06 +0200793 part->offset, addr, argv[0]);
Stefan Roese856f0542006-10-28 15:55:52 +0200794 }
795 }
796#endif
Bartlomiej Siekaaddb2e12006-03-05 18:57:33 +0100797
Heiko Schocherfad63402007-07-13 09:54:17 +0200798 show_boot_progress(52);
Bartlomiej Siekaaddb2e12006-03-05 18:57:33 +0100799 switch (argc) {
800 case 1:
Jean-Christophe PLAGNIOL-VILLARD6d0f6bc2008-10-16 15:01:15 +0200801 addr = CONFIG_SYS_LOAD_ADDR;
Bartlomiej Siekaaddb2e12006-03-05 18:57:33 +0100802 boot_device = getenv("bootdevice");
803 break;
804 case 2:
805 addr = simple_strtoul(argv[1], NULL, 16);
806 boot_device = getenv("bootdevice");
807 break;
808 case 3:
809 addr = simple_strtoul(argv[1], NULL, 16);
810 boot_device = argv[2];
811 break;
812 case 4:
813 addr = simple_strtoul(argv[1], NULL, 16);
814 boot_device = argv[2];
815 offset = simple_strtoul(argv[3], NULL, 16);
816 break;
817 default:
Ladislav Michl0c8a8492009-04-21 02:26:31 +0200818#if defined(CONFIG_CMD_MTDPARTS)
Stefan Roese856f0542006-10-28 15:55:52 +0200819usage:
820#endif
Heiko Schocherfad63402007-07-13 09:54:17 +0200821 show_boot_progress(-53);
Wolfgang Denk47e26b12010-07-17 01:06:04 +0200822 return cmd_usage(cmdtp);
Bartlomiej Siekaaddb2e12006-03-05 18:57:33 +0100823 }
824
Heiko Schocherfad63402007-07-13 09:54:17 +0200825 show_boot_progress(53);
Bartlomiej Siekaaddb2e12006-03-05 18:57:33 +0100826 if (!boot_device) {
827 puts("\n** No boot device **\n");
Heiko Schocherfad63402007-07-13 09:54:17 +0200828 show_boot_progress(-54);
Bartlomiej Siekaaddb2e12006-03-05 18:57:33 +0100829 return 1;
830 }
Heiko Schocherfad63402007-07-13 09:54:17 +0200831 show_boot_progress(54);
Bartlomiej Siekaaddb2e12006-03-05 18:57:33 +0100832
Stefan Roese856f0542006-10-28 15:55:52 +0200833 idx = simple_strtoul(boot_device, NULL, 16);
Bartlomiej Siekaaddb2e12006-03-05 18:57:33 +0100834
Jean-Christophe PLAGNIOL-VILLARD6d0f6bc2008-10-16 15:01:15 +0200835 if (idx < 0 || idx >= CONFIG_SYS_MAX_NAND_DEVICE || !nand_info[idx].name) {
Stefan Roese856f0542006-10-28 15:55:52 +0200836 printf("\n** Device %d not available\n", idx);
Heiko Schocherfad63402007-07-13 09:54:17 +0200837 show_boot_progress(-55);
Bartlomiej Siekaaddb2e12006-03-05 18:57:33 +0100838 return 1;
839 }
Heiko Schocherfad63402007-07-13 09:54:17 +0200840 show_boot_progress(55);
Bartlomiej Siekaaddb2e12006-03-05 18:57:33 +0100841
Stefan Roese856f0542006-10-28 15:55:52 +0200842 return nand_load_image(cmdtp, &nand_info[idx], offset, addr, argv[0]);
Bartlomiej Siekaaddb2e12006-03-05 18:57:33 +0100843}
844
845U_BOOT_CMD(nboot, 4, 1, do_nandboot,
Peter Tyser2fb26042009-01-27 18:03:12 -0600846 "boot from NAND device",
Wolfgang Denka89c33d2009-05-24 17:06:54 +0200847 "[partition] | [[[loadAddr] dev] offset]"
848);