blob: b767cd287734b7289c79807ada9f157e5fa657cc [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
Scott Wood8c5659a2010-08-25 15:24:01 -050040static int nand_dump(nand_info_t *nand, ulong off, int only_oob, int repeat)
Bartlomiej Siekaaddb2e12006-03-05 18:57:33 +010041{
42 int i;
William Juul9ad754f2007-12-14 16:33:45 +010043 u_char *datbuf, *oobbuf, *p;
Scott Wood8c5659a2010-08-25 15:24:01 -050044 static loff_t last;
45
46 if (repeat)
47 off = last + nand->writesize;
48
49 last = off;
Bartlomiej Siekaaddb2e12006-03-05 18:57:33 +010050
William Juul9ad754f2007-12-14 16:33:45 +010051 datbuf = malloc(nand->writesize + nand->oobsize);
52 oobbuf = malloc(nand->oobsize);
53 if (!datbuf || !oobbuf) {
Bartlomiej Siekaaddb2e12006-03-05 18:57:33 +010054 puts("No memory for page buffer\n");
55 return 1;
56 }
William Juulcfa460a2007-10-31 13:53:06 +010057 off &= ~(nand->writesize - 1);
William Juulcfa460a2007-10-31 13:53:06 +010058 loff_t addr = (loff_t) off;
William Juul9ad754f2007-12-14 16:33:45 +010059 struct mtd_oob_ops ops;
60 memset(&ops, 0, sizeof(ops));
61 ops.datbuf = datbuf;
62 ops.oobbuf = oobbuf; /* must exist, but oob data will be appended to ops.datbuf */
63 ops.len = nand->writesize;
64 ops.ooblen = nand->oobsize;
65 ops.mode = MTD_OOB_RAW;
66 i = nand->read_oob(nand, addr, &ops);
Bartlomiej Siekaaddb2e12006-03-05 18:57:33 +010067 if (i < 0) {
Stefan Roesee8706902008-07-10 10:10:54 +020068 printf("Error (%d) reading page %08lx\n", i, off);
William Juul9ad754f2007-12-14 16:33:45 +010069 free(datbuf);
70 free(oobbuf);
Bartlomiej Siekaaddb2e12006-03-05 18:57:33 +010071 return 1;
72 }
Stefan Roesee8706902008-07-10 10:10:54 +020073 printf("Page %08lx dump:\n", off);
William Juul9ad754f2007-12-14 16:33:45 +010074 i = nand->writesize >> 4;
75 p = datbuf;
Wolfgang Denk4b070802008-08-14 14:41:06 +020076
Bartlomiej Siekaaddb2e12006-03-05 18:57:33 +010077 while (i--) {
William Juul9ad754f2007-12-14 16:33:45 +010078 if (!only_oob)
79 printf("\t%02x %02x %02x %02x %02x %02x %02x %02x"
80 " %02x %02x %02x %02x %02x %02x %02x %02x\n",
81 p[0], p[1], p[2], p[3], p[4], p[5], p[6], p[7],
Scott Wooddfbf6172008-06-12 13:20:16 -050082 p[8], p[9], p[10], p[11], p[12], p[13], p[14],
83 p[15]);
Bartlomiej Siekaaddb2e12006-03-05 18:57:33 +010084 p += 16;
85 }
86 puts("OOB:\n");
87 i = nand->oobsize >> 3;
88 while (i--) {
William Juulcfa460a2007-10-31 13:53:06 +010089 printf("\t%02x %02x %02x %02x %02x %02x %02x %02x\n",
90 p[0], p[1], p[2], p[3], p[4], p[5], p[6], p[7]);
Bartlomiej Siekaaddb2e12006-03-05 18:57:33 +010091 p += 8;
92 }
William Juul9ad754f2007-12-14 16:33:45 +010093 free(datbuf);
94 free(oobbuf);
Bartlomiej Siekaaddb2e12006-03-05 18:57:33 +010095
96 return 0;
97}
98
99/* ------------------------------------------------------------------------- */
100
Scott Woodea533c22010-08-02 13:04:24 -0500101static int set_dev(int dev)
102{
103 if (dev < 0 || dev >= CONFIG_SYS_MAX_NAND_DEVICE ||
104 !nand_info[dev].name) {
105 puts("No such device\n");
106 return -1;
107 }
108
109 if (nand_curr_device == dev)
110 return 0;
111
112 printf("Device %d: %s", dev, nand_info[dev].name);
113 puts("... is now current device\n");
114 nand_curr_device = dev;
115
116#ifdef CONFIG_SYS_NAND_SELECT_DEVICE
117 board_nand_select_device(nand_info[dev].priv, dev);
118#endif
119
120 return 0;
121}
122
123static inline int str2off(const char *p, loff_t *num)
124{
125 char *endptr;
126
127 *num = simple_strtoull(p, &endptr, 16);
128 return *p != '\0' && *endptr == '\0';
129}
130
131static inline int str2long(const char *p, ulong *num)
Bartlomiej Siekaaddb2e12006-03-05 18:57:33 +0100132{
Stefan Roese856f0542006-10-28 15:55:52 +0200133 char *endptr;
Bartlomiej Siekaaddb2e12006-03-05 18:57:33 +0100134
Stefan Roese856f0542006-10-28 15:55:52 +0200135 *num = simple_strtoul(p, &endptr, 16);
Scott Woodea533c22010-08-02 13:04:24 -0500136 return *p != '\0' && *endptr == '\0';
Stefan Roese856f0542006-10-28 15:55:52 +0200137}
Bartlomiej Siekaaddb2e12006-03-05 18:57:33 +0100138
Scott Woodea533c22010-08-02 13:04:24 -0500139static int get_part(const char *partname, int *idx, loff_t *off, loff_t *size)
Stefan Roese856f0542006-10-28 15:55:52 +0200140{
Scott Woodea533c22010-08-02 13:04:24 -0500141#ifdef CONFIG_CMD_MTDPARTS
Stefan Roese856f0542006-10-28 15:55:52 +0200142 struct mtd_device *dev;
143 struct part_info *part;
144 u8 pnum;
Scott Woodea533c22010-08-02 13:04:24 -0500145 int ret;
Bartlomiej Siekaaddb2e12006-03-05 18:57:33 +0100146
Scott Woodea533c22010-08-02 13:04:24 -0500147 ret = mtdparts_init();
148 if (ret)
149 return ret;
150
151 ret = find_dev_and_part(partname, &dev, &pnum, &part);
152 if (ret)
153 return ret;
154
155 if (dev->id->type != MTD_DEV_TYPE_NAND) {
156 puts("not a NAND device\n");
157 return -1;
Stefan Roese856f0542006-10-28 15:55:52 +0200158 }
Bartlomiej Siekaaddb2e12006-03-05 18:57:33 +0100159
Scott Woodea533c22010-08-02 13:04:24 -0500160 *off = part->offset;
161 *size = part->size;
162 *idx = dev->id->num;
163
164 ret = set_dev(*idx);
165 if (ret)
166 return ret;
167
168 return 0;
169#else
170 puts("offset is not a number\n");
171 return -1;
172#endif
173}
174
175static int arg_off(const char *arg, int *idx, loff_t *off, loff_t *maxsize)
176{
177 if (!str2off(arg, off))
178 return get_part(arg, idx, off, maxsize);
179
180 if (*off >= nand_info[*idx].size) {
181 puts("Offset exceeds device limit\n");
182 return -1;
183 }
184
185 *maxsize = nand_info[*idx].size - *off;
186 return 0;
187}
188
189static int arg_off_size(int argc, char *const argv[], int *idx,
190 loff_t *off, loff_t *size)
191{
192 int ret;
193 loff_t maxsize;
194
195 if (argc == 0) {
Stefan Roese856f0542006-10-28 15:55:52 +0200196 *off = 0;
Scott Woodea533c22010-08-02 13:04:24 -0500197 *size = nand_info[*idx].size;
198 goto print;
Bartlomiej Siekaaddb2e12006-03-05 18:57:33 +0100199 }
200
Scott Woodea533c22010-08-02 13:04:24 -0500201 ret = arg_off(argv[0], idx, off, &maxsize);
202 if (ret)
203 return ret;
204
205 if (argc == 1) {
206 *size = maxsize;
207 goto print;
Stefan Roese856f0542006-10-28 15:55:52 +0200208 }
209
Scott Woodea533c22010-08-02 13:04:24 -0500210 if (!str2off(argv[1], size)) {
211 printf("'%s' is not a number\n", argv[1]);
212 return -1;
213 }
214
215 if (*size > maxsize) {
216 puts("Size exceeds partition or device limit\n");
217 return -1;
218 }
219
220print:
221 printf("device %d ", *idx);
222 if (*size == nand_info[*idx].size)
Stefan Roese856f0542006-10-28 15:55:52 +0200223 puts("whole chip\n");
224 else
Scott Woodea533c22010-08-02 13:04:24 -0500225 printf("offset 0x%llx, size 0x%llx\n",
226 (unsigned long long)*off, (unsigned long long)*size);
Stefan Roese856f0542006-10-28 15:55:52 +0200227 return 0;
Bartlomiej Siekaaddb2e12006-03-05 18:57:33 +0100228}
229
Nishanth Menon50657c22008-12-13 09:43:06 -0600230#ifdef CONFIG_CMD_NAND_LOCK_UNLOCK
231static void print_status(ulong start, ulong end, ulong erasesize, int status)
232{
233 printf("%08lx - %08lx: %08lx blocks %s%s%s\n",
234 start,
235 end - 1,
236 (end - start) / erasesize,
237 ((status & NAND_LOCK_STATUS_TIGHT) ? "TIGHT " : ""),
238 ((status & NAND_LOCK_STATUS_LOCK) ? "LOCK " : ""),
239 ((status & NAND_LOCK_STATUS_UNLOCK) ? "UNLOCK " : ""));
240}
241
242static void do_nand_status(nand_info_t *nand)
243{
244 ulong block_start = 0;
245 ulong off;
246 int last_status = -1;
247
248 struct nand_chip *nand_chip = nand->priv;
249 /* check the WP bit */
250 nand_chip->cmdfunc(nand, NAND_CMD_STATUS, -1, -1);
251 printf("device is %swrite protected\n",
252 (nand_chip->read_byte(nand) & 0x80 ?
253 "NOT " : ""));
254
255 for (off = 0; off < nand->size; off += nand->erasesize) {
256 int s = nand_get_lock_status(nand, off);
257
258 /* print message only if status has changed */
259 if (s != last_status && off != 0) {
260 print_status(block_start, off, nand->erasesize,
261 last_status);
262 block_start = off;
263 }
264 last_status = s;
265 }
266 /* Print the last block info */
267 print_status(block_start, off, nand->erasesize, last_status);
268}
269#endif
270
Ben Gardinerc9f73512010-07-05 13:27:07 -0400271#ifdef CONFIG_ENV_OFFSET_OOB
272unsigned long nand_env_oob_offset;
273
Scott Woodea533c22010-08-02 13:04:24 -0500274int do_nand_env_oob(cmd_tbl_t *cmdtp, int argc, char *const argv[])
Ben Gardinerc9f73512010-07-05 13:27:07 -0400275{
276 int ret;
277 uint32_t oob_buf[ENV_OFFSET_SIZE/sizeof(uint32_t)];
Scott Woodea533c22010-08-02 13:04:24 -0500278 nand_info_t *nand = &nand_info[0];
Ben Gardinerc9f73512010-07-05 13:27:07 -0400279 char *cmd = argv[1];
280
Scott Woodea533c22010-08-02 13:04:24 -0500281 if (CONFIG_SYS_MAX_NAND_DEVICE == 0 || !nand->name) {
282 puts("no devices available\n");
283 return 1;
284 }
285
286 set_dev(0);
287
Ben Gardinerc9f73512010-07-05 13:27:07 -0400288 if (!strcmp(cmd, "get")) {
289 ret = get_nand_env_oob(nand, &nand_env_oob_offset);
Scott Wood53504a22010-07-12 18:17:40 -0500290 if (ret)
Ben Gardinerc9f73512010-07-05 13:27:07 -0400291 return 1;
Scott Wood53504a22010-07-12 18:17:40 -0500292
293 printf("0x%08lx\n", nand_env_oob_offset);
Ben Gardinerc9f73512010-07-05 13:27:07 -0400294 } else if (!strcmp(cmd, "set")) {
Scott Woodea533c22010-08-02 13:04:24 -0500295 loff_t addr;
296 loff_t maxsize;
Ben Gardinerc9f73512010-07-05 13:27:07 -0400297 struct mtd_oob_ops ops;
Scott Woodea533c22010-08-02 13:04:24 -0500298 int idx = 0;
Ben Gardinerc9f73512010-07-05 13:27:07 -0400299
300 if (argc < 3)
301 goto usage;
302
Scott Woodea533c22010-08-02 13:04:24 -0500303 if (arg_off(argv[2], &idx, &addr, &maxsize)) {
304 puts("Offset or partition name expected\n");
305 return 1;
306 }
307
308 if (idx != 0) {
309 puts("Partition not on first NAND device\n");
Ben Gardinerc9f73512010-07-05 13:27:07 -0400310 return 1;
311 }
312
313 if (nand->oobavail < ENV_OFFSET_SIZE) {
Scott Wood53504a22010-07-12 18:17:40 -0500314 printf("Insufficient available OOB bytes:\n"
315 "%d OOB bytes available but %d required for "
316 "env.oob support\n",
317 nand->oobavail, ENV_OFFSET_SIZE);
Ben Gardinerc9f73512010-07-05 13:27:07 -0400318 return 1;
319 }
320
321 if ((addr & (nand->erasesize - 1)) != 0) {
322 printf("Environment offset must be block-aligned\n");
323 return 1;
324 }
325
326 ops.datbuf = NULL;
327 ops.mode = MTD_OOB_AUTO;
328 ops.ooboffs = 0;
329 ops.ooblen = ENV_OFFSET_SIZE;
330 ops.oobbuf = (void *) oob_buf;
331
332 oob_buf[0] = ENV_OOB_MARKER;
333 oob_buf[1] = addr / nand->erasesize;
334
335 ret = nand->write_oob(nand, ENV_OFFSET_SIZE, &ops);
Scott Wood53504a22010-07-12 18:17:40 -0500336 if (ret) {
Ben Gardinerc9f73512010-07-05 13:27:07 -0400337 printf("Error writing OOB block 0\n");
338 return ret;
339 }
Scott Wood53504a22010-07-12 18:17:40 -0500340
341 ret = get_nand_env_oob(nand, &nand_env_oob_offset);
342 if (ret) {
343 printf("Error reading env offset in OOB\n");
344 return ret;
345 }
346
347 if (addr != nand_env_oob_offset) {
348 printf("Verification of env offset in OOB failed: "
Scott Woodea533c22010-08-02 13:04:24 -0500349 "0x%08llx expected but got 0x%08lx\n",
350 (unsigned long long)addr, nand_env_oob_offset);
Scott Wood53504a22010-07-12 18:17:40 -0500351 return 1;
352 }
Ben Gardinerc9f73512010-07-05 13:27:07 -0400353 } else {
354 goto usage;
355 }
356
357 return ret;
358
359usage:
Wolfgang Denk47e26b12010-07-17 01:06:04 +0200360 return cmd_usage(cmdtp);
Ben Gardinerc9f73512010-07-05 13:27:07 -0400361}
362
363#endif
364
Wolfgang Grandegger672ed2a2009-02-11 18:38:20 +0100365static void nand_print_info(int idx)
366{
367 nand_info_t *nand = &nand_info[idx];
368 struct nand_chip *chip = nand->priv;
369 printf("Device %d: ", idx);
370 if (chip->numchips > 1)
371 printf("%dx ", chip->numchips);
372 printf("%s, sector size %u KiB\n",
373 nand->name, nand->erasesize >> 10);
374}
375
Wolfgang Denk54841ab2010-06-28 22:00:46 +0200376int do_nand(cmd_tbl_t * cmdtp, int flag, int argc, char * const argv[])
Bartlomiej Siekaaddb2e12006-03-05 18:57:33 +0100377{
Scott Woodea533c22010-08-02 13:04:24 -0500378 int i, ret = 0;
379 ulong addr;
380 loff_t off, size;
Bartlomiej Siekaaddb2e12006-03-05 18:57:33 +0100381 char *cmd, *s;
382 nand_info_t *nand;
Jean-Christophe PLAGNIOL-VILLARD6d0f6bc2008-10-16 15:01:15 +0200383#ifdef CONFIG_SYS_NAND_QUIET
384 int quiet = CONFIG_SYS_NAND_QUIET;
Matthias Fuchsc750d2e2007-09-12 12:36:53 +0200385#else
Stefan Roese2255b2d2006-10-10 12:36:02 +0200386 int quiet = 0;
Matthias Fuchsc750d2e2007-09-12 12:36:53 +0200387#endif
Stefan Roese2255b2d2006-10-10 12:36:02 +0200388 const char *quiet_str = getenv("quiet");
Scott Woodea533c22010-08-02 13:04:24 -0500389 int dev = nand_curr_device;
Scott Wood8c5659a2010-08-25 15:24:01 -0500390 int repeat = flag & CMD_FLAG_REPEAT;
Bartlomiej Siekaaddb2e12006-03-05 18:57:33 +0100391
392 /* at least two arguments please */
393 if (argc < 2)
394 goto usage;
395
Stefan Roese2255b2d2006-10-10 12:36:02 +0200396 if (quiet_str)
397 quiet = simple_strtoul(quiet_str, NULL, 0) != 0;
398
Bartlomiej Siekaaddb2e12006-03-05 18:57:33 +0100399 cmd = argv[1];
400
Scott Wood8c5659a2010-08-25 15:24:01 -0500401 /* Only "dump" is repeatable. */
402 if (repeat && strcmp(cmd, "dump"))
403 return 0;
404
Bartlomiej Siekaaddb2e12006-03-05 18:57:33 +0100405 if (strcmp(cmd, "info") == 0) {
406
407 putc('\n');
Jean-Christophe PLAGNIOL-VILLARD6d0f6bc2008-10-16 15:01:15 +0200408 for (i = 0; i < CONFIG_SYS_MAX_NAND_DEVICE; i++) {
Bartlomiej Siekaaddb2e12006-03-05 18:57:33 +0100409 if (nand_info[i].name)
Wolfgang Grandegger672ed2a2009-02-11 18:38:20 +0100410 nand_print_info(i);
Bartlomiej Siekaaddb2e12006-03-05 18:57:33 +0100411 }
412 return 0;
413 }
414
415 if (strcmp(cmd, "device") == 0) {
Bartlomiej Siekaaddb2e12006-03-05 18:57:33 +0100416 if (argc < 3) {
Wolfgang Grandegger672ed2a2009-02-11 18:38:20 +0100417 putc('\n');
Scott Woodea533c22010-08-02 13:04:24 -0500418 if (dev < 0 || dev >= CONFIG_SYS_MAX_NAND_DEVICE)
Wolfgang Grandegger672ed2a2009-02-11 18:38:20 +0100419 puts("no devices available\n");
Bartlomiej Siekaaddb2e12006-03-05 18:57:33 +0100420 else
Scott Woodea533c22010-08-02 13:04:24 -0500421 nand_print_info(dev);
Bartlomiej Siekaaddb2e12006-03-05 18:57:33 +0100422 return 0;
423 }
Stefan Roese43a2b0e2006-10-20 14:28:52 +0200424
Scott Woodea533c22010-08-02 13:04:24 -0500425 dev = (int)simple_strtoul(argv[2], NULL, 10);
426 set_dev(dev);
Stefan Roese43a2b0e2006-10-20 14:28:52 +0200427
Bartlomiej Siekaaddb2e12006-03-05 18:57:33 +0100428 return 0;
429 }
430
Ben Gardinerc9f73512010-07-05 13:27:07 -0400431#ifdef CONFIG_ENV_OFFSET_OOB
432 /* this command operates only on the first nand device */
Scott Woodea533c22010-08-02 13:04:24 -0500433 if (strcmp(cmd, "env.oob") == 0)
434 return do_nand_env_oob(cmdtp, argc - 1, argv + 1);
Ben Gardinerc9f73512010-07-05 13:27:07 -0400435#endif
436
Scott Woodea533c22010-08-02 13:04:24 -0500437 /* The following commands operate on the current device, unless
438 * overridden by a partition specifier. Note that if somehow the
439 * current device is invalid, it will have to be changed to a valid
440 * one before these commands can run, even if a partition specifier
441 * for another device is to be used.
442 */
443 if (dev < 0 || dev >= CONFIG_SYS_MAX_NAND_DEVICE ||
444 !nand_info[dev].name) {
Bartlomiej Siekaaddb2e12006-03-05 18:57:33 +0100445 puts("\nno devices available\n");
446 return 1;
447 }
Scott Woodea533c22010-08-02 13:04:24 -0500448 nand = &nand_info[dev];
Bartlomiej Siekaaddb2e12006-03-05 18:57:33 +0100449
450 if (strcmp(cmd, "bad") == 0) {
Scott Woodea533c22010-08-02 13:04:24 -0500451 printf("\nDevice %d bad blocks:\n", dev);
Bartlomiej Siekaaddb2e12006-03-05 18:57:33 +0100452 for (off = 0; off < nand->size; off += nand->erasesize)
453 if (nand_block_isbad(nand, off))
Scott Woodea533c22010-08-02 13:04:24 -0500454 printf(" %08llx\n", (unsigned long long)off);
Bartlomiej Siekaaddb2e12006-03-05 18:57:33 +0100455 return 0;
456 }
457
Stefan Roese856f0542006-10-28 15:55:52 +0200458 /*
459 * Syntax is:
460 * 0 1 2 3 4
461 * nand erase [clean] [off size]
462 */
Scott Wood30486322010-08-25 14:43:29 -0500463 if (strncmp(cmd, "erase", 5) == 0 || strncmp(cmd, "scrub", 5) == 0) {
Stefan Roese2255b2d2006-10-10 12:36:02 +0200464 nand_erase_options_t opts;
Stefan Roese856f0542006-10-28 15:55:52 +0200465 /* "clean" at index 2 means request to write cleanmarker */
William Juul3043c042007-11-14 14:28:11 +0100466 int clean = argc > 2 && !strcmp("clean", argv[2]);
Stefan Roese856f0542006-10-28 15:55:52 +0200467 int o = clean ? 3 : 2;
Scott Wood30486322010-08-25 14:43:29 -0500468 int scrub = !strncmp(cmd, "scrub", 5);
469 int part = 0;
470 int chip = 0;
471 int spread = 0;
472 int args = 2;
Bartlomiej Siekaaddb2e12006-03-05 18:57:33 +0100473
Scott Wood30486322010-08-25 14:43:29 -0500474 if (cmd[5] != 0) {
475 if (!strcmp(&cmd[5], ".spread")) {
476 spread = 1;
477 } else if (!strcmp(&cmd[5], ".part")) {
478 part = 1;
479 args = 1;
480 } else if (!strcmp(&cmd[5], ".chip")) {
481 chip = 1;
482 args = 0;
483 } else {
484 goto usage;
485 }
486 }
487
488 /*
489 * Don't allow missing arguments to cause full chip/partition
490 * erases -- easy to do accidentally, e.g. with a misspelled
491 * variable name.
492 */
493 if (argc != o + args)
494 goto usage;
495
496 printf("\nNAND %s: ", cmd);
Stefan Roese856f0542006-10-28 15:55:52 +0200497 /* skip first two or three arguments, look for offset and size */
Scott Woodea533c22010-08-02 13:04:24 -0500498 if (arg_off_size(argc - o, argv + o, &dev, &off, &size) != 0)
Stefan Roese856f0542006-10-28 15:55:52 +0200499 return 1;
Stefan Roese2255b2d2006-10-10 12:36:02 +0200500
Scott Woodea533c22010-08-02 13:04:24 -0500501 nand = &nand_info[dev];
502
Stefan Roese2255b2d2006-10-10 12:36:02 +0200503 memset(&opts, 0, sizeof(opts));
504 opts.offset = off;
505 opts.length = size;
506 opts.jffs2 = clean;
507 opts.quiet = quiet;
Scott Wood30486322010-08-25 14:43:29 -0500508 opts.spread = spread;
Stefan Roese2255b2d2006-10-10 12:36:02 +0200509
510 if (scrub) {
Stefan Roese856f0542006-10-28 15:55:52 +0200511 puts("Warning: "
512 "scrub option will erase all factory set "
513 "bad blocks!\n"
514 " "
515 "There is no reliable way to recover them.\n"
516 " "
517 "Use this command only for testing purposes "
518 "if you\n"
519 " "
520 "are sure of what you are doing!\n"
521 "\nReally scrub this NAND flash? <y/N>\n");
Stefan Roese2255b2d2006-10-10 12:36:02 +0200522
Florian Fainelli6b94b492010-03-20 19:02:58 +0100523 if (getc() == 'y') {
524 puts("y");
525 if (getc() == '\r')
526 opts.scrub = 1;
527 else {
528 puts("scrub aborted\n");
529 return -1;
530 }
Stefan Roese2255b2d2006-10-10 12:36:02 +0200531 } else {
Stefan Roese856f0542006-10-28 15:55:52 +0200532 puts("scrub aborted\n");
Stefan Roese2255b2d2006-10-10 12:36:02 +0200533 return -1;
534 }
535 }
536 ret = nand_erase_opts(nand, &opts);
Bartlomiej Siekaaddb2e12006-03-05 18:57:33 +0100537 printf("%s\n", ret ? "ERROR" : "OK");
538
539 return ret == 0 ? 0 : 1;
540 }
541
542 if (strncmp(cmd, "dump", 4) == 0) {
543 if (argc < 3)
544 goto usage;
545
Bartlomiej Siekaaddb2e12006-03-05 18:57:33 +0100546 off = (int)simple_strtoul(argv[2], NULL, 16);
Scott Wood8c5659a2010-08-25 15:24:01 -0500547 ret = nand_dump(nand, off, !strcmp(&cmd[4], ".oob"), repeat);
Bartlomiej Siekaaddb2e12006-03-05 18:57:33 +0100548
549 return ret == 0 ? 1 : 0;
Bartlomiej Siekaaddb2e12006-03-05 18:57:33 +0100550 }
551
Bartlomiej Siekaaddb2e12006-03-05 18:57:33 +0100552 if (strncmp(cmd, "read", 4) == 0 || strncmp(cmd, "write", 5) == 0) {
Scott Woodea533c22010-08-02 13:04:24 -0500553 size_t rwsize;
Stefan Roese2255b2d2006-10-10 12:36:02 +0200554 int read;
555
Bartlomiej Siekaaddb2e12006-03-05 18:57:33 +0100556 if (argc < 4)
557 goto usage;
Stefan Roese2255b2d2006-10-10 12:36:02 +0200558
Bartlomiej Siekaaddb2e12006-03-05 18:57:33 +0100559 addr = (ulong)simple_strtoul(argv[2], NULL, 16);
560
Stefan Roese2255b2d2006-10-10 12:36:02 +0200561 read = strncmp(cmd, "read", 4) == 0; /* 1 = read, 0 = write */
Stefan Roese856f0542006-10-28 15:55:52 +0200562 printf("\nNAND %s: ", read ? "read" : "write");
Scott Woodea533c22010-08-02 13:04:24 -0500563 if (arg_off_size(argc - 3, argv + 3, &dev, &off, &size) != 0)
Stefan Roese856f0542006-10-28 15:55:52 +0200564 return 1;
William Juul4cbb6512007-11-08 10:39:53 +0100565
Scott Woodea533c22010-08-02 13:04:24 -0500566 nand = &nand_info[dev];
567 rwsize = size;
568
Stefan Roese2255b2d2006-10-10 12:36:02 +0200569 s = strchr(cmd, '.');
Scott Wood984e03c2008-06-12 13:13:23 -0500570 if (!s || !strcmp(s, ".jffs2") ||
571 !strcmp(s, ".e") || !strcmp(s, ".i")) {
Scott Wooddfbf6172008-06-12 13:20:16 -0500572 if (read)
Scott Woodea533c22010-08-02 13:04:24 -0500573 ret = nand_read_skip_bad(nand, off, &rwsize,
Wolfgang Denk4b070802008-08-14 14:41:06 +0200574 (u_char *)addr);
Scott Wooddfbf6172008-06-12 13:20:16 -0500575 else
Scott Woodea533c22010-08-02 13:04:24 -0500576 ret = nand_write_skip_bad(nand, off, &rwsize,
Lei Wen47fc18f2011-01-06 11:11:58 +0800577 (u_char *)addr, 0);
Ben Gardinerc9494862011-06-14 16:35:07 -0400578#ifdef CONFIG_CMD_NAND_TRIMFFS
579 } else if (!strcmp(s, ".trimffs")) {
580 if (read) {
581 printf("Unknown nand command suffix '%s'\n", s);
582 return 1;
583 }
584 ret = nand_write_skip_bad(nand, off, &rwsize,
585 (u_char *)addr,
586 WITH_DROP_FFS);
587#endif
Lei Wen47fc18f2011-01-06 11:11:58 +0800588#ifdef CONFIG_CMD_NAND_YAFFS
589 } else if (!strcmp(s, ".yaffs")) {
590 if (read) {
591 printf("Unknown nand command suffix '%s'.\n", s);
592 return 1;
593 }
Ben Gardinera6c9aa12011-05-24 10:18:35 -0400594 ret = nand_write_skip_bad(nand, off, &rwsize,
595 (u_char *)addr, WITH_YAFFS_OOB);
Lei Wen47fc18f2011-01-06 11:11:58 +0800596#endif
Mike Frysingerdfc99e12009-04-12 22:29:20 -0400597 } else if (!strcmp(s, ".oob")) {
William Juulcfa460a2007-10-31 13:53:06 +0100598 /* out-of-band data */
599 mtd_oob_ops_t ops = {
600 .oobbuf = (u8 *)addr,
Scott Woodea533c22010-08-02 13:04:24 -0500601 .ooblen = rwsize,
William Juulcfa460a2007-10-31 13:53:06 +0100602 .mode = MTD_OOB_RAW
603 };
604
Harald Welte62d4f432007-12-19 14:12:53 +0100605 if (read)
William Juulcfa460a2007-10-31 13:53:06 +0100606 ret = nand->read_oob(nand, off, &ops);
Harald Welte62d4f432007-12-19 14:12:53 +0100607 else
William Juulcfa460a2007-10-31 13:53:06 +0100608 ret = nand->write_oob(nand, off, &ops);
Stefan Roese856f0542006-10-28 15:55:52 +0200609 } else {
Scott Wood984e03c2008-06-12 13:13:23 -0500610 printf("Unknown nand command suffix '%s'.\n", s);
611 return 1;
Stefan Roese2255b2d2006-10-10 12:36:02 +0200612 }
613
Scott Woodea533c22010-08-02 13:04:24 -0500614 printf(" %zu bytes %s: %s\n", rwsize,
Stefan Roese2255b2d2006-10-10 12:36:02 +0200615 read ? "read" : "written", ret ? "ERROR" : "OK");
Bartlomiej Siekaaddb2e12006-03-05 18:57:33 +0100616
617 return ret == 0 ? 0 : 1;
618 }
Stefan Roese2255b2d2006-10-10 12:36:02 +0200619
Stefan Roese2255b2d2006-10-10 12:36:02 +0200620 if (strcmp(cmd, "markbad") == 0) {
Wolfgang Denk8360b662009-05-24 17:34:33 +0200621 argc -= 2;
622 argv += 2;
Stefan Roese2255b2d2006-10-10 12:36:02 +0200623
Wolfgang Denk8360b662009-05-24 17:34:33 +0200624 if (argc <= 0)
625 goto usage;
626
627 while (argc > 0) {
628 addr = simple_strtoul(*argv, NULL, 16);
629
630 if (nand->block_markbad(nand, addr)) {
631 printf("block 0x%08lx NOT marked "
632 "as bad! ERROR %d\n",
633 addr, ret);
634 ret = 1;
635 } else {
636 printf("block 0x%08lx successfully "
637 "marked as bad\n",
638 addr);
639 }
640 --argc;
641 ++argv;
Stefan Roese2255b2d2006-10-10 12:36:02 +0200642 }
Wolfgang Denk8360b662009-05-24 17:34:33 +0200643 return ret;
Stefan Roese2255b2d2006-10-10 12:36:02 +0200644 }
Scott Wooddfbf6172008-06-12 13:20:16 -0500645
Stefan Roese2255b2d2006-10-10 12:36:02 +0200646 if (strcmp(cmd, "biterr") == 0) {
647 /* todo */
648 return 1;
649 }
650
Nishanth Menon50657c22008-12-13 09:43:06 -0600651#ifdef CONFIG_CMD_NAND_LOCK_UNLOCK
Stefan Roese2255b2d2006-10-10 12:36:02 +0200652 if (strcmp(cmd, "lock") == 0) {
Nishanth Menon50657c22008-12-13 09:43:06 -0600653 int tight = 0;
Stefan Roese2255b2d2006-10-10 12:36:02 +0200654 int status = 0;
655 if (argc == 3) {
656 if (!strcmp("tight", argv[2]))
657 tight = 1;
658 if (!strcmp("status", argv[2]))
659 status = 1;
660 }
Stefan Roese2255b2d2006-10-10 12:36:02 +0200661 if (status) {
Nishanth Menon50657c22008-12-13 09:43:06 -0600662 do_nand_status(nand);
William Juulcfa460a2007-10-31 13:53:06 +0100663 } else {
William Juul5e1dae52007-11-09 13:32:30 +0100664 if (!nand_lock(nand, tight)) {
665 puts("NAND flash successfully locked\n");
666 } else {
667 puts("Error locking NAND flash\n");
668 return 1;
669 }
Stefan Roese2255b2d2006-10-10 12:36:02 +0200670 }
671 return 0;
672 }
673
674 if (strcmp(cmd, "unlock") == 0) {
Scott Wood16e00992010-10-13 11:04:30 -0500675 if (arg_off_size(argc - 2, argv + 2, &dev, &off, &size) < 0)
Stefan Roese856f0542006-10-28 15:55:52 +0200676 return 1;
Stefan Roese2255b2d2006-10-10 12:36:02 +0200677
Scott Woodea533c22010-08-02 13:04:24 -0500678 if (!nand_unlock(&nand_info[dev], off, size)) {
William Juul5e1dae52007-11-09 13:32:30 +0100679 puts("NAND flash successfully unlocked\n");
680 } else {
681 puts("Error unlocking NAND flash, "
William Juul3043c042007-11-14 14:28:11 +0100682 "write and erase will probably fail\n");
William Juul5e1dae52007-11-09 13:32:30 +0100683 return 1;
684 }
Stefan Roese2255b2d2006-10-10 12:36:02 +0200685 return 0;
686 }
Nishanth Menon50657c22008-12-13 09:43:06 -0600687#endif
Stefan Roese2255b2d2006-10-10 12:36:02 +0200688
Bartlomiej Siekaaddb2e12006-03-05 18:57:33 +0100689usage:
Wolfgang Denk47e26b12010-07-17 01:06:04 +0200690 return cmd_usage(cmdtp);
Bartlomiej Siekaaddb2e12006-03-05 18:57:33 +0100691}
692
Frans Meulenbroeks388a29d2010-07-31 15:01:53 +0200693U_BOOT_CMD(
694 nand, CONFIG_SYS_MAXARGS, 1, do_nand,
Wolfgang Denka89c33d2009-05-24 17:06:54 +0200695 "NAND sub-system",
696 "info - show available NAND devices\n"
697 "nand device [dev] - show or set current device\n"
698 "nand read - addr off|partition size\n"
699 "nand write - addr off|partition size\n"
700 " read/write 'size' bytes starting at offset 'off'\n"
701 " to/from memory address 'addr', skipping bad blocks.\n"
Ben Gardinerc9494862011-06-14 16:35:07 -0400702#ifdef CONFIG_CMD_NAND_TRIMFFS
703 "nand write.trimffs - addr off|partition size\n"
704 " write 'size' bytes starting at offset 'off' from memory address\n"
705 " 'addr', skipping bad blocks and dropping any pages at the end\n"
706 " of eraseblocks that contain only 0xFF\n"
707#endif
Lei Wen47fc18f2011-01-06 11:11:58 +0800708#ifdef CONFIG_CMD_NAND_YAFFS
709 "nand write.yaffs - addr off|partition size\n"
710 " write 'size' bytes starting at offset 'off' with yaffs format\n"
711 " from memory address 'addr', skipping bad blocks.\n"
712#endif
Daniel Hobieb3abce2011-05-19 19:28:54 +0200713 "nand erase[.spread] [clean] off size - erase 'size' bytes "
Scott Wood30486322010-08-25 14:43:29 -0500714 "from offset 'off'\n"
715 " With '.spread', erase enough for given file size, otherwise,\n"
716 " 'size' includes skipped bad blocks.\n"
717 "nand erase.part [clean] partition - erase entire mtd partition'\n"
718 "nand erase.chip [clean] - erase entire chip'\n"
Wolfgang Denka89c33d2009-05-24 17:06:54 +0200719 "nand bad - show bad blocks\n"
720 "nand dump[.oob] off - dump page\n"
Scott Wood30486322010-08-25 14:43:29 -0500721 "nand scrub off size | scrub.part partition | scrub.chip\n"
722 " really clean NAND erasing bad blocks (UNSAFE)\n"
Wolfgang Denka89c33d2009-05-24 17:06:54 +0200723 "nand markbad off [...] - mark bad block(s) at offset (UNSAFE)\n"
724 "nand biterr off - make a bit error at offset (UNSAFE)"
Nishanth Menon50657c22008-12-13 09:43:06 -0600725#ifdef CONFIG_CMD_NAND_LOCK_UNLOCK
Wolfgang Denka89c33d2009-05-24 17:06:54 +0200726 "\n"
727 "nand lock [tight] [status]\n"
728 " bring nand to lock state or display locked pages\n"
729 "nand unlock [offset] [size] - unlock section"
Nishanth Menon50657c22008-12-13 09:43:06 -0600730#endif
Ben Gardinerc9f73512010-07-05 13:27:07 -0400731#ifdef CONFIG_ENV_OFFSET_OOB
732 "\n"
733 "nand env.oob - environment offset in OOB of block 0 of"
734 " first device.\n"
735 "nand env.oob set off|partition - set enviromnent offset\n"
736 "nand env.oob get - get environment offset"
737#endif
Nishanth Menon50657c22008-12-13 09:43:06 -0600738);
Bartlomiej Siekaaddb2e12006-03-05 18:57:33 +0100739
Stefan Roese856f0542006-10-28 15:55:52 +0200740static int nand_load_image(cmd_tbl_t *cmdtp, nand_info_t *nand,
Wolfgang Denk4b070802008-08-14 14:41:06 +0200741 ulong offset, ulong addr, char *cmd)
Stefan Roese856f0542006-10-28 15:55:52 +0200742{
743 int r;
Wolfgang Denk3e5ab1a2011-01-11 20:56:34 +0100744 char *ep, *s;
Wolfgang Denk4ca79f42008-04-28 12:08:18 +0200745 size_t cnt;
Stefan Roese856f0542006-10-28 15:55:52 +0200746 image_header_t *hdr;
Marian Balakowicz09475f72008-03-12 10:33:01 +0100747#if defined(CONFIG_FIT)
Marian Balakowicz3bab76a2008-06-06 23:07:40 +0200748 const void *fit_hdr = NULL;
Marian Balakowicz09475f72008-03-12 10:33:01 +0100749#endif
Thomas Knobloch10e03892007-07-06 14:58:39 +0200750
751 s = strchr(cmd, '.');
752 if (s != NULL &&
Scott Wood65d8bc92009-03-17 12:06:04 -0500753 (strcmp(s, ".jffs2") && strcmp(s, ".e") && strcmp(s, ".i"))) {
Scott Wood984e03c2008-06-12 13:13:23 -0500754 printf("Unknown nand load suffix '%s'\n", s);
755 show_boot_progress(-53);
756 return 1;
757 }
Stefan Roese856f0542006-10-28 15:55:52 +0200758
759 printf("\nLoading from %s, offset 0x%lx\n", nand->name, offset);
760
William Juulcfa460a2007-10-31 13:53:06 +0100761 cnt = nand->writesize;
Ladislav Michl09875052009-03-13 14:38:19 +0100762 r = nand_read_skip_bad(nand, offset, &cnt, (u_char *) addr);
Stefan Roese856f0542006-10-28 15:55:52 +0200763 if (r) {
764 puts("** Read error\n");
Heiko Schocherfad63402007-07-13 09:54:17 +0200765 show_boot_progress (-56);
Stefan Roese856f0542006-10-28 15:55:52 +0200766 return 1;
767 }
Heiko Schocherfad63402007-07-13 09:54:17 +0200768 show_boot_progress (56);
Stefan Roese856f0542006-10-28 15:55:52 +0200769
Marian Balakowicz9a4daad2008-02-29 14:58:34 +0100770 switch (genimg_get_format ((void *)addr)) {
Marian Balakowiczd5934ad2008-02-04 08:28:09 +0100771 case IMAGE_FORMAT_LEGACY:
772 hdr = (image_header_t *)addr;
Stefan Roese856f0542006-10-28 15:55:52 +0200773
Marian Balakowiczd5934ad2008-02-04 08:28:09 +0100774 show_boot_progress (57);
Marian Balakowiczd5934ad2008-02-04 08:28:09 +0100775 image_print_contents (hdr);
776
777 cnt = image_get_image_size (hdr);
778 break;
779#if defined(CONFIG_FIT)
780 case IMAGE_FORMAT_FIT:
Marian Balakowicz09475f72008-03-12 10:33:01 +0100781 fit_hdr = (const void *)addr;
Marian Balakowicz09475f72008-03-12 10:33:01 +0100782 puts ("Fit image detected...\n");
783
784 cnt = fit_get_size (fit_hdr);
785 break;
Marian Balakowiczd5934ad2008-02-04 08:28:09 +0100786#endif
787 default:
Marian Balakowicz09475f72008-03-12 10:33:01 +0100788 show_boot_progress (-57);
Marian Balakowiczd5934ad2008-02-04 08:28:09 +0100789 puts ("** Unknown image type\n");
Stefan Roese856f0542006-10-28 15:55:52 +0200790 return 1;
791 }
William Juul3043c042007-11-14 14:28:11 +0100792 show_boot_progress (57);
Stefan Roese856f0542006-10-28 15:55:52 +0200793
Ladislav Michl09875052009-03-13 14:38:19 +0100794 r = nand_read_skip_bad(nand, offset, &cnt, (u_char *) addr);
Stefan Roese856f0542006-10-28 15:55:52 +0200795 if (r) {
796 puts("** Read error\n");
Heiko Schocherfad63402007-07-13 09:54:17 +0200797 show_boot_progress (-58);
Stefan Roese856f0542006-10-28 15:55:52 +0200798 return 1;
799 }
Heiko Schocherfad63402007-07-13 09:54:17 +0200800 show_boot_progress (58);
Stefan Roese856f0542006-10-28 15:55:52 +0200801
Marian Balakowicz09475f72008-03-12 10:33:01 +0100802#if defined(CONFIG_FIT)
803 /* This cannot be done earlier, we need complete FIT image in RAM first */
Marian Balakowicz3bab76a2008-06-06 23:07:40 +0200804 if (genimg_get_format ((void *)addr) == IMAGE_FORMAT_FIT) {
805 if (!fit_check_format (fit_hdr)) {
806 show_boot_progress (-150);
807 puts ("** Bad FIT image format\n");
808 return 1;
809 }
810 show_boot_progress (151);
811 fit_print_contents (fit_hdr);
812 }
Marian Balakowicz09475f72008-03-12 10:33:01 +0100813#endif
814
Stefan Roese856f0542006-10-28 15:55:52 +0200815 /* Loading ok, update default load address */
816
817 load_addr = addr;
818
819 /* Check if we should attempt an auto-start */
Wolfgang Denk3e5ab1a2011-01-11 20:56:34 +0100820 if (((ep = getenv("autostart")) != NULL) && (strcmp(ep, "yes") == 0)) {
Stefan Roese856f0542006-10-28 15:55:52 +0200821 char *local_args[2];
Stefan Roese856f0542006-10-28 15:55:52 +0200822
823 local_args[0] = cmd;
824 local_args[1] = NULL;
825
826 printf("Automatic boot of image at addr 0x%08lx ...\n", addr);
827
828 do_bootm(cmdtp, 0, 1, local_args);
829 return 1;
830 }
831 return 0;
832}
833
Wolfgang Denk54841ab2010-06-28 22:00:46 +0200834int do_nandboot(cmd_tbl_t * cmdtp, int flag, int argc, char * const argv[])
Bartlomiej Siekaaddb2e12006-03-05 18:57:33 +0100835{
836 char *boot_device = NULL;
Stefan Roese856f0542006-10-28 15:55:52 +0200837 int idx;
838 ulong addr, offset = 0;
Ladislav Michl0c8a8492009-04-21 02:26:31 +0200839#if defined(CONFIG_CMD_MTDPARTS)
Stefan Roese856f0542006-10-28 15:55:52 +0200840 struct mtd_device *dev;
841 struct part_info *part;
842 u8 pnum;
843
844 if (argc >= 2) {
845 char *p = (argc == 2) ? argv[1] : argv[2];
846 if (!(str2long(p, &addr)) && (mtdparts_init() == 0) &&
847 (find_dev_and_part(p, &dev, &pnum, &part) == 0)) {
848 if (dev->id->type != MTD_DEV_TYPE_NAND) {
849 puts("Not a NAND device\n");
850 return 1;
851 }
852 if (argc > 3)
853 goto usage;
854 if (argc == 3)
Thomas Knobloch10e03892007-07-06 14:58:39 +0200855 addr = simple_strtoul(argv[1], NULL, 16);
Stefan Roese856f0542006-10-28 15:55:52 +0200856 else
Jean-Christophe PLAGNIOL-VILLARD6d0f6bc2008-10-16 15:01:15 +0200857 addr = CONFIG_SYS_LOAD_ADDR;
Stefan Roese856f0542006-10-28 15:55:52 +0200858 return nand_load_image(cmdtp, &nand_info[dev->id->num],
Wolfgang Denk4b070802008-08-14 14:41:06 +0200859 part->offset, addr, argv[0]);
Stefan Roese856f0542006-10-28 15:55:52 +0200860 }
861 }
862#endif
Bartlomiej Siekaaddb2e12006-03-05 18:57:33 +0100863
Heiko Schocherfad63402007-07-13 09:54:17 +0200864 show_boot_progress(52);
Bartlomiej Siekaaddb2e12006-03-05 18:57:33 +0100865 switch (argc) {
866 case 1:
Jean-Christophe PLAGNIOL-VILLARD6d0f6bc2008-10-16 15:01:15 +0200867 addr = CONFIG_SYS_LOAD_ADDR;
Bartlomiej Siekaaddb2e12006-03-05 18:57:33 +0100868 boot_device = getenv("bootdevice");
869 break;
870 case 2:
871 addr = simple_strtoul(argv[1], NULL, 16);
872 boot_device = getenv("bootdevice");
873 break;
874 case 3:
875 addr = simple_strtoul(argv[1], NULL, 16);
876 boot_device = argv[2];
877 break;
878 case 4:
879 addr = simple_strtoul(argv[1], NULL, 16);
880 boot_device = argv[2];
881 offset = simple_strtoul(argv[3], NULL, 16);
882 break;
883 default:
Ladislav Michl0c8a8492009-04-21 02:26:31 +0200884#if defined(CONFIG_CMD_MTDPARTS)
Stefan Roese856f0542006-10-28 15:55:52 +0200885usage:
886#endif
Heiko Schocherfad63402007-07-13 09:54:17 +0200887 show_boot_progress(-53);
Wolfgang Denk47e26b12010-07-17 01:06:04 +0200888 return cmd_usage(cmdtp);
Bartlomiej Siekaaddb2e12006-03-05 18:57:33 +0100889 }
890
Heiko Schocherfad63402007-07-13 09:54:17 +0200891 show_boot_progress(53);
Bartlomiej Siekaaddb2e12006-03-05 18:57:33 +0100892 if (!boot_device) {
893 puts("\n** No boot device **\n");
Heiko Schocherfad63402007-07-13 09:54:17 +0200894 show_boot_progress(-54);
Bartlomiej Siekaaddb2e12006-03-05 18:57:33 +0100895 return 1;
896 }
Heiko Schocherfad63402007-07-13 09:54:17 +0200897 show_boot_progress(54);
Bartlomiej Siekaaddb2e12006-03-05 18:57:33 +0100898
Stefan Roese856f0542006-10-28 15:55:52 +0200899 idx = simple_strtoul(boot_device, NULL, 16);
Bartlomiej Siekaaddb2e12006-03-05 18:57:33 +0100900
Jean-Christophe PLAGNIOL-VILLARD6d0f6bc2008-10-16 15:01:15 +0200901 if (idx < 0 || idx >= CONFIG_SYS_MAX_NAND_DEVICE || !nand_info[idx].name) {
Stefan Roese856f0542006-10-28 15:55:52 +0200902 printf("\n** Device %d not available\n", idx);
Heiko Schocherfad63402007-07-13 09:54:17 +0200903 show_boot_progress(-55);
Bartlomiej Siekaaddb2e12006-03-05 18:57:33 +0100904 return 1;
905 }
Heiko Schocherfad63402007-07-13 09:54:17 +0200906 show_boot_progress(55);
Bartlomiej Siekaaddb2e12006-03-05 18:57:33 +0100907
Stefan Roese856f0542006-10-28 15:55:52 +0200908 return nand_load_image(cmdtp, &nand_info[idx], offset, addr, argv[0]);
Bartlomiej Siekaaddb2e12006-03-05 18:57:33 +0100909}
910
911U_BOOT_CMD(nboot, 4, 1, do_nandboot,
Peter Tyser2fb26042009-01-27 18:03:12 -0600912 "boot from NAND device",
Wolfgang Denka89c33d2009-05-24 17:06:54 +0200913 "[partition] | [[[loadAddr] dev] offset]"
914);