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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 *
Scott Wood418396e2012-03-02 14:01:57 -060014 * Copyright 2010, 2012 Freescale Semiconductor
Scott Woodea533c22010-08-02 13:04:24 -050015 * 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>
Simon Glass24b852a2015-11-08 23:47:45 -070025#include <console.h>
Bartlomiej Siekaaddb2e12006-03-05 18:57:33 +010026#include <watchdog.h>
27#include <malloc.h>
28#include <asm/byteorder.h>
Bartlomiej Siekaaddb2e12006-03-05 18:57:33 +010029#include <jffs2/jffs2.h>
30#include <nand.h>
31
Ladislav Michl0c8a8492009-04-21 02:26:31 +020032#if defined(CONFIG_CMD_MTDPARTS)
Stefan Roese856f0542006-10-28 15:55:52 +020033
Wolfgang Denk445093d2009-11-17 21:27:39 +010034/* partition handling routines */
Stefan Roese856f0542006-10-28 15:55:52 +020035int mtdparts_init(void);
36int id_parse(const char *id, const char **ret_id, u8 *dev_type, u8 *dev_num);
37int find_dev_and_part(const char *id, struct mtd_device **dev,
Wolfgang Denk4b070802008-08-14 14:41:06 +020038 u8 *part_num, struct part_info **part);
Stefan Roese856f0542006-10-28 15:55:52 +020039#endif
40
Scott Wood151c06e2016-05-30 13:57:54 -050041static int nand_dump(struct mtd_info *mtd, ulong off, int only_oob,
42 int repeat)
Bartlomiej Siekaaddb2e12006-03-05 18:57:33 +010043{
44 int i;
William Juul9ad754f2007-12-14 16:33:45 +010045 u_char *datbuf, *oobbuf, *p;
Scott Wood8c5659a2010-08-25 15:24:01 -050046 static loff_t last;
Masahiro Yamadae40520b2013-07-11 17:27:12 +090047 int ret = 0;
Scott Wood8c5659a2010-08-25 15:24:01 -050048
49 if (repeat)
Scott Wood151c06e2016-05-30 13:57:54 -050050 off = last + mtd->writesize;
Scott Wood8c5659a2010-08-25 15:24:01 -050051
52 last = off;
Bartlomiej Siekaaddb2e12006-03-05 18:57:33 +010053
Scott Wood151c06e2016-05-30 13:57:54 -050054 datbuf = memalign(ARCH_DMA_MINALIGN, mtd->writesize);
Masahiro Yamadae40520b2013-07-11 17:27:12 +090055 if (!datbuf) {
Bartlomiej Siekaaddb2e12006-03-05 18:57:33 +010056 puts("No memory for page buffer\n");
57 return 1;
58 }
Masahiro Yamadae40520b2013-07-11 17:27:12 +090059
Scott Wood151c06e2016-05-30 13:57:54 -050060 oobbuf = memalign(ARCH_DMA_MINALIGN, mtd->oobsize);
Masahiro Yamadae40520b2013-07-11 17:27:12 +090061 if (!oobbuf) {
62 puts("No memory for page buffer\n");
63 ret = 1;
64 goto free_dat;
65 }
Scott Wood151c06e2016-05-30 13:57:54 -050066 off &= ~(mtd->writesize - 1);
William Juulcfa460a2007-10-31 13:53:06 +010067 loff_t addr = (loff_t) off;
William Juul9ad754f2007-12-14 16:33:45 +010068 struct mtd_oob_ops ops;
69 memset(&ops, 0, sizeof(ops));
70 ops.datbuf = datbuf;
Tom Rinicfdae122012-02-23 15:47:46 -070071 ops.oobbuf = oobbuf;
Scott Wood151c06e2016-05-30 13:57:54 -050072 ops.len = mtd->writesize;
73 ops.ooblen = mtd->oobsize;
Sergey Lapindfe64e22013-01-14 03:46:50 +000074 ops.mode = MTD_OPS_RAW;
Scott Wood151c06e2016-05-30 13:57:54 -050075 i = mtd_read_oob(mtd, addr, &ops);
Bartlomiej Siekaaddb2e12006-03-05 18:57:33 +010076 if (i < 0) {
Stefan Roesee8706902008-07-10 10:10:54 +020077 printf("Error (%d) reading page %08lx\n", i, off);
Masahiro Yamadae40520b2013-07-11 17:27:12 +090078 ret = 1;
79 goto free_all;
Bartlomiej Siekaaddb2e12006-03-05 18:57:33 +010080 }
Stefan Roesee8706902008-07-10 10:10:54 +020081 printf("Page %08lx dump:\n", off);
Wolfgang Denk4b070802008-08-14 14:41:06 +020082
Masahiro Yamada7d25cd32013-07-11 17:27:13 +090083 if (!only_oob) {
Scott Wood151c06e2016-05-30 13:57:54 -050084 i = mtd->writesize >> 4;
Masahiro Yamada7d25cd32013-07-11 17:27:13 +090085 p = datbuf;
86
87 while (i--) {
William Juul9ad754f2007-12-14 16:33:45 +010088 printf("\t%02x %02x %02x %02x %02x %02x %02x %02x"
89 " %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],
Scott Wooddfbf6172008-06-12 13:20:16 -050091 p[8], p[9], p[10], p[11], p[12], p[13], p[14],
92 p[15]);
Masahiro Yamada7d25cd32013-07-11 17:27:13 +090093 p += 16;
94 }
Bartlomiej Siekaaddb2e12006-03-05 18:57:33 +010095 }
Masahiro Yamada7d25cd32013-07-11 17:27:13 +090096
Bartlomiej Siekaaddb2e12006-03-05 18:57:33 +010097 puts("OOB:\n");
Scott Wood151c06e2016-05-30 13:57:54 -050098 i = mtd->oobsize >> 3;
Tom Rinicfdae122012-02-23 15:47:46 -070099 p = oobbuf;
Bartlomiej Siekaaddb2e12006-03-05 18:57:33 +0100100 while (i--) {
William Juulcfa460a2007-10-31 13:53:06 +0100101 printf("\t%02x %02x %02x %02x %02x %02x %02x %02x\n",
102 p[0], p[1], p[2], p[3], p[4], p[5], p[6], p[7]);
Bartlomiej Siekaaddb2e12006-03-05 18:57:33 +0100103 p += 8;
104 }
Bartlomiej Siekaaddb2e12006-03-05 18:57:33 +0100105
Masahiro Yamadae40520b2013-07-11 17:27:12 +0900106free_all:
107 free(oobbuf);
108free_dat:
109 free(datbuf);
110
111 return ret;
Bartlomiej Siekaaddb2e12006-03-05 18:57:33 +0100112}
113
114/* ------------------------------------------------------------------------- */
115
Scott Woodea533c22010-08-02 13:04:24 -0500116static int set_dev(int dev)
117{
Mugunthan V Nad92dff2017-06-26 19:12:51 -0500118 struct mtd_info *mtd = get_nand_dev_by_index(dev);
119
120 if (!mtd)
121 return -ENODEV;
Scott Woodea533c22010-08-02 13:04:24 -0500122
123 if (nand_curr_device == dev)
124 return 0;
125
Mugunthan V Nad92dff2017-06-26 19:12:51 -0500126 printf("Device %d: %s", dev, mtd->name);
Scott Woodea533c22010-08-02 13:04:24 -0500127 puts("... is now current device\n");
128 nand_curr_device = dev;
129
130#ifdef CONFIG_SYS_NAND_SELECT_DEVICE
Grygorii Strashko6308e712017-06-26 19:12:58 -0500131 board_nand_select_device(mtd_to_nand(mtd), dev);
Scott Woodea533c22010-08-02 13:04:24 -0500132#endif
133
134 return 0;
135}
136
Nishanth Menon50657c22008-12-13 09:43:06 -0600137#ifdef CONFIG_CMD_NAND_LOCK_UNLOCK
138static void print_status(ulong start, ulong end, ulong erasesize, int status)
139{
Joe Hershbergere70bfa22012-08-22 16:49:45 -0500140 /*
141 * Micron NAND flash (e.g. MT29F4G08ABADAH4) BLOCK LOCK READ STATUS is
142 * not the same as others. Instead of bit 1 being lock, it is
143 * #lock_tight. To make the driver support either format, ignore bit 1
144 * and use only bit 0 and bit 2.
145 */
Nishanth Menon50657c22008-12-13 09:43:06 -0600146 printf("%08lx - %08lx: %08lx blocks %s%s%s\n",
147 start,
148 end - 1,
149 (end - start) / erasesize,
150 ((status & NAND_LOCK_STATUS_TIGHT) ? "TIGHT " : ""),
Joe Hershbergere70bfa22012-08-22 16:49:45 -0500151 (!(status & NAND_LOCK_STATUS_UNLOCK) ? "LOCK " : ""),
Nishanth Menon50657c22008-12-13 09:43:06 -0600152 ((status & NAND_LOCK_STATUS_UNLOCK) ? "UNLOCK " : ""));
153}
154
Scott Wood151c06e2016-05-30 13:57:54 -0500155static void do_nand_status(struct mtd_info *mtd)
Nishanth Menon50657c22008-12-13 09:43:06 -0600156{
157 ulong block_start = 0;
158 ulong off;
159 int last_status = -1;
160
Scott Wood17cb4b82016-05-30 13:57:56 -0500161 struct nand_chip *nand_chip = mtd_to_nand(mtd);
Nishanth Menon50657c22008-12-13 09:43:06 -0600162 /* check the WP bit */
Scott Wood151c06e2016-05-30 13:57:54 -0500163 nand_chip->cmdfunc(mtd, NAND_CMD_STATUS, -1, -1);
Nishanth Menon50657c22008-12-13 09:43:06 -0600164 printf("device is %swrite protected\n",
Scott Wood151c06e2016-05-30 13:57:54 -0500165 (nand_chip->read_byte(mtd) & 0x80 ?
166 "NOT " : ""));
Nishanth Menon50657c22008-12-13 09:43:06 -0600167
Scott Wood151c06e2016-05-30 13:57:54 -0500168 for (off = 0; off < mtd->size; off += mtd->erasesize) {
169 int s = nand_get_lock_status(mtd, off);
Nishanth Menon50657c22008-12-13 09:43:06 -0600170
171 /* print message only if status has changed */
172 if (s != last_status && off != 0) {
Scott Wood151c06e2016-05-30 13:57:54 -0500173 print_status(block_start, off, mtd->erasesize,
Nishanth Menon50657c22008-12-13 09:43:06 -0600174 last_status);
175 block_start = off;
176 }
177 last_status = s;
178 }
179 /* Print the last block info */
Scott Wood151c06e2016-05-30 13:57:54 -0500180 print_status(block_start, off, mtd->erasesize, last_status);
Nishanth Menon50657c22008-12-13 09:43:06 -0600181}
182#endif
183
Ben Gardinerc9f73512010-07-05 13:27:07 -0400184#ifdef CONFIG_ENV_OFFSET_OOB
185unsigned long nand_env_oob_offset;
186
Scott Woodea533c22010-08-02 13:04:24 -0500187int do_nand_env_oob(cmd_tbl_t *cmdtp, int argc, char *const argv[])
Ben Gardinerc9f73512010-07-05 13:27:07 -0400188{
189 int ret;
190 uint32_t oob_buf[ENV_OFFSET_SIZE/sizeof(uint32_t)];
Mugunthan V Nad92dff2017-06-26 19:12:51 -0500191 struct mtd_info *mtd = get_nand_dev_by_index(0);
Ben Gardinerc9f73512010-07-05 13:27:07 -0400192 char *cmd = argv[1];
193
Scott Wood8b7d5122016-09-01 17:31:31 -0500194 if (CONFIG_SYS_MAX_NAND_DEVICE == 0 || !mtd) {
Scott Woodea533c22010-08-02 13:04:24 -0500195 puts("no devices available\n");
196 return 1;
197 }
198
199 set_dev(0);
200
Ben Gardinerc9f73512010-07-05 13:27:07 -0400201 if (!strcmp(cmd, "get")) {
Scott Wood151c06e2016-05-30 13:57:54 -0500202 ret = get_nand_env_oob(mtd, &nand_env_oob_offset);
Scott Wood53504a22010-07-12 18:17:40 -0500203 if (ret)
Ben Gardinerc9f73512010-07-05 13:27:07 -0400204 return 1;
Scott Wood53504a22010-07-12 18:17:40 -0500205
206 printf("0x%08lx\n", nand_env_oob_offset);
Ben Gardinerc9f73512010-07-05 13:27:07 -0400207 } else if (!strcmp(cmd, "set")) {
Scott Woodea533c22010-08-02 13:04:24 -0500208 loff_t addr;
209 loff_t maxsize;
Ben Gardinerc9f73512010-07-05 13:27:07 -0400210 struct mtd_oob_ops ops;
Scott Woodea533c22010-08-02 13:04:24 -0500211 int idx = 0;
Ben Gardinerc9f73512010-07-05 13:27:07 -0400212
213 if (argc < 3)
214 goto usage;
215
Mugunthan V Nad92dff2017-06-26 19:12:51 -0500216 mtd = get_nand_dev_by_index(idx);
Tom Rinic39d6a02013-03-14 05:32:50 +0000217 /* We don't care about size, or maxsize. */
Heiko Schocher09c32802015-04-27 07:42:05 +0200218 if (mtd_arg_off(argv[2], &idx, &addr, &maxsize, &maxsize,
Mugunthan V Nad92dff2017-06-26 19:12:51 -0500219 MTD_DEV_TYPE_NAND, mtd->size)) {
Heiko Schocher09c32802015-04-27 07:42:05 +0200220 puts("Offset or partition name expected\n");
221 return 1;
222 }
223 if (set_dev(idx)) {
Scott Woodea533c22010-08-02 13:04:24 -0500224 puts("Offset or partition name expected\n");
225 return 1;
226 }
227
228 if (idx != 0) {
229 puts("Partition not on first NAND device\n");
Ben Gardinerc9f73512010-07-05 13:27:07 -0400230 return 1;
231 }
232
Scott Wood151c06e2016-05-30 13:57:54 -0500233 if (mtd->oobavail < ENV_OFFSET_SIZE) {
Scott Wood53504a22010-07-12 18:17:40 -0500234 printf("Insufficient available OOB bytes:\n"
235 "%d OOB bytes available but %d required for "
236 "env.oob support\n",
Scott Wood151c06e2016-05-30 13:57:54 -0500237 mtd->oobavail, ENV_OFFSET_SIZE);
Ben Gardinerc9f73512010-07-05 13:27:07 -0400238 return 1;
239 }
240
Scott Wood151c06e2016-05-30 13:57:54 -0500241 if ((addr & (mtd->erasesize - 1)) != 0) {
Ben Gardinerc9f73512010-07-05 13:27:07 -0400242 printf("Environment offset must be block-aligned\n");
243 return 1;
244 }
245
246 ops.datbuf = NULL;
247 ops.mode = MTD_OOB_AUTO;
248 ops.ooboffs = 0;
249 ops.ooblen = ENV_OFFSET_SIZE;
250 ops.oobbuf = (void *) oob_buf;
251
252 oob_buf[0] = ENV_OOB_MARKER;
Scott Wood151c06e2016-05-30 13:57:54 -0500253 oob_buf[1] = addr / mtd->erasesize;
Ben Gardinerc9f73512010-07-05 13:27:07 -0400254
Scott Wood151c06e2016-05-30 13:57:54 -0500255 ret = mtd->write_oob(mtd, ENV_OFFSET_SIZE, &ops);
Scott Wood53504a22010-07-12 18:17:40 -0500256 if (ret) {
Ben Gardinerc9f73512010-07-05 13:27:07 -0400257 printf("Error writing OOB block 0\n");
258 return ret;
259 }
Scott Wood53504a22010-07-12 18:17:40 -0500260
Scott Wood151c06e2016-05-30 13:57:54 -0500261 ret = get_nand_env_oob(mtd, &nand_env_oob_offset);
Scott Wood53504a22010-07-12 18:17:40 -0500262 if (ret) {
263 printf("Error reading env offset in OOB\n");
264 return ret;
265 }
266
267 if (addr != nand_env_oob_offset) {
268 printf("Verification of env offset in OOB failed: "
Scott Woodea533c22010-08-02 13:04:24 -0500269 "0x%08llx expected but got 0x%08lx\n",
270 (unsigned long long)addr, nand_env_oob_offset);
Scott Wood53504a22010-07-12 18:17:40 -0500271 return 1;
272 }
Ben Gardinerc9f73512010-07-05 13:27:07 -0400273 } else {
274 goto usage;
275 }
276
277 return ret;
278
279usage:
Simon Glass4c12eeb2011-12-10 08:44:01 +0000280 return CMD_RET_USAGE;
Ben Gardinerc9f73512010-07-05 13:27:07 -0400281}
282
283#endif
284
Marek Vasutce80ddc2011-09-22 03:57:26 +0200285static void nand_print_and_set_info(int idx)
Wolfgang Grandegger672ed2a2009-02-11 18:38:20 +0100286{
Mugunthan V Nad92dff2017-06-26 19:12:51 -0500287 struct mtd_info *mtd;
288 struct nand_chip *chip;
Marek Vasutce80ddc2011-09-22 03:57:26 +0200289
Mugunthan V Nad92dff2017-06-26 19:12:51 -0500290 mtd = get_nand_dev_by_index(idx);
291 if (!mtd)
292 return;
293
294 chip = mtd_to_nand(mtd);
Wolfgang Grandegger672ed2a2009-02-11 18:38:20 +0100295 printf("Device %d: ", idx);
296 if (chip->numchips > 1)
297 printf("%dx ", chip->numchips);
298 printf("%s, sector size %u KiB\n",
Scott Wood151c06e2016-05-30 13:57:54 -0500299 mtd->name, mtd->erasesize >> 10);
300 printf(" Page size %8d b\n", mtd->writesize);
301 printf(" OOB size %8d b\n", mtd->oobsize);
302 printf(" Erase size %8d b\n", mtd->erasesize);
Heiko Schocher5db73fe2015-04-12 10:18:09 +0200303 printf(" subpagesize %8d b\n", chip->subpagesize);
Lothar Waßmann66dc09c2017-07-10 08:44:24 +0200304 printf(" options 0x%08x\n", chip->options);
305 printf(" bbt options 0x%08x\n", chip->bbt_options);
Marek Vasutce80ddc2011-09-22 03:57:26 +0200306
307 /* Set geometry info */
Scott Wood151c06e2016-05-30 13:57:54 -0500308 setenv_hex("nand_writesize", mtd->writesize);
309 setenv_hex("nand_oobsize", mtd->oobsize);
310 setenv_hex("nand_erasesize", mtd->erasesize);
Wolfgang Grandegger672ed2a2009-02-11 18:38:20 +0100311}
312
Scott Wood151c06e2016-05-30 13:57:54 -0500313static int raw_access(struct mtd_info *mtd, ulong addr, loff_t off,
Boris Brezillon2dc3c4832016-06-15 10:42:18 +0200314 ulong count, int read, int no_verify)
Scott Wood418396e2012-03-02 14:01:57 -0600315{
316 int ret = 0;
Scott Wood418396e2012-03-02 14:01:57 -0600317
318 while (count--) {
319 /* Raw access */
320 mtd_oob_ops_t ops = {
321 .datbuf = (u8 *)addr,
Scott Wood151c06e2016-05-30 13:57:54 -0500322 .oobbuf = ((u8 *)addr) + mtd->writesize,
323 .len = mtd->writesize,
324 .ooblen = mtd->oobsize,
Sergey Lapindfe64e22013-01-14 03:46:50 +0000325 .mode = MTD_OPS_RAW
Scott Wood418396e2012-03-02 14:01:57 -0600326 };
327
Peter Tyser6b94f112015-02-03 11:58:13 -0600328 if (read) {
Scott Wood151c06e2016-05-30 13:57:54 -0500329 ret = mtd_read_oob(mtd, off, &ops);
Peter Tyser6b94f112015-02-03 11:58:13 -0600330 } else {
Scott Wood151c06e2016-05-30 13:57:54 -0500331 ret = mtd_write_oob(mtd, off, &ops);
Boris Brezillon2dc3c4832016-06-15 10:42:18 +0200332 if (!ret && !no_verify)
Scott Wood151c06e2016-05-30 13:57:54 -0500333 ret = nand_verify_page_oob(mtd, &ops, off);
Peter Tyser6b94f112015-02-03 11:58:13 -0600334 }
Scott Wood418396e2012-03-02 14:01:57 -0600335
336 if (ret) {
337 printf("%s: error at offset %llx, ret %d\n",
338 __func__, (long long)off, ret);
339 break;
340 }
341
Scott Wood151c06e2016-05-30 13:57:54 -0500342 addr += mtd->writesize + mtd->oobsize;
343 off += mtd->writesize;
Scott Wood418396e2012-03-02 14:01:57 -0600344 }
345
346 return ret;
347}
348
Harvey Chapmane8344022013-02-26 17:57:14 +0000349/* Adjust a chip/partition size down for bad blocks so we don't
Scott Wood9b80aa82013-06-20 12:45:31 -0500350 * read/write past the end of a chip/partition by accident.
Harvey Chapmane8344022013-02-26 17:57:14 +0000351 */
352static void adjust_size_for_badblocks(loff_t *size, loff_t offset, int dev)
353{
354 /* We grab the nand info object here fresh because this is usually
355 * called after arg_off_size() which can change the value of dev.
356 */
Mugunthan V Nad92dff2017-06-26 19:12:51 -0500357 struct mtd_info *mtd = get_nand_dev_by_index(dev);
Harvey Chapmane8344022013-02-26 17:57:14 +0000358 loff_t maxoffset = offset + *size;
359 int badblocks = 0;
360
361 /* count badblocks in NAND from offset to offset + size */
Scott Wood151c06e2016-05-30 13:57:54 -0500362 for (; offset < maxoffset; offset += mtd->erasesize) {
363 if (nand_block_isbad(mtd, offset))
Harvey Chapmane8344022013-02-26 17:57:14 +0000364 badblocks++;
365 }
366 /* adjust size if any bad blocks found */
367 if (badblocks) {
Scott Wood151c06e2016-05-30 13:57:54 -0500368 *size -= badblocks * mtd->erasesize;
Harvey Chapmane8344022013-02-26 17:57:14 +0000369 printf("size adjusted to 0x%llx (%d bad blocks)\n",
370 (unsigned long long)*size, badblocks);
371 }
372}
373
Kim Phillips088f1b12012-10-29 13:34:31 +0000374static int do_nand(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
Bartlomiej Siekaaddb2e12006-03-05 18:57:33 +0100375{
Scott Woodea533c22010-08-02 13:04:24 -0500376 int i, ret = 0;
377 ulong addr;
Tom Rinic39d6a02013-03-14 05:32:50 +0000378 loff_t off, size, maxsize;
Bartlomiej Siekaaddb2e12006-03-05 18:57:33 +0100379 char *cmd, *s;
Scott Wood151c06e2016-05-30 13:57:54 -0500380 struct mtd_info *mtd;
Jean-Christophe PLAGNIOL-VILLARD6d0f6bc2008-10-16 15:01:15 +0200381#ifdef CONFIG_SYS_NAND_QUIET
382 int quiet = CONFIG_SYS_NAND_QUIET;
Matthias Fuchsc750d2e2007-09-12 12:36:53 +0200383#else
Stefan Roese2255b2d2006-10-10 12:36:02 +0200384 int quiet = 0;
Matthias Fuchsc750d2e2007-09-12 12:36:53 +0200385#endif
Stefan Roese2255b2d2006-10-10 12:36:02 +0200386 const char *quiet_str = getenv("quiet");
Scott Woodea533c22010-08-02 13:04:24 -0500387 int dev = nand_curr_device;
Scott Wood8c5659a2010-08-25 15:24:01 -0500388 int repeat = flag & CMD_FLAG_REPEAT;
Bartlomiej Siekaaddb2e12006-03-05 18:57:33 +0100389
390 /* at least two arguments please */
391 if (argc < 2)
392 goto usage;
393
Stefan Roese2255b2d2006-10-10 12:36:02 +0200394 if (quiet_str)
395 quiet = simple_strtoul(quiet_str, NULL, 0) != 0;
396
Bartlomiej Siekaaddb2e12006-03-05 18:57:33 +0100397 cmd = argv[1];
398
Scott Wood8c5659a2010-08-25 15:24:01 -0500399 /* Only "dump" is repeatable. */
400 if (repeat && strcmp(cmd, "dump"))
401 return 0;
402
Bartlomiej Siekaaddb2e12006-03-05 18:57:33 +0100403 if (strcmp(cmd, "info") == 0) {
404
405 putc('\n');
Mugunthan V Nad92dff2017-06-26 19:12:51 -0500406 for (i = 0; i < CONFIG_SYS_MAX_NAND_DEVICE; i++)
407 nand_print_and_set_info(i);
Bartlomiej Siekaaddb2e12006-03-05 18:57:33 +0100408 return 0;
409 }
410
411 if (strcmp(cmd, "device") == 0) {
Bartlomiej Siekaaddb2e12006-03-05 18:57:33 +0100412 if (argc < 3) {
Wolfgang Grandegger672ed2a2009-02-11 18:38:20 +0100413 putc('\n');
Scott Woodea533c22010-08-02 13:04:24 -0500414 if (dev < 0 || dev >= CONFIG_SYS_MAX_NAND_DEVICE)
Wolfgang Grandegger672ed2a2009-02-11 18:38:20 +0100415 puts("no devices available\n");
Bartlomiej Siekaaddb2e12006-03-05 18:57:33 +0100416 else
Marek Vasutce80ddc2011-09-22 03:57:26 +0200417 nand_print_and_set_info(dev);
Bartlomiej Siekaaddb2e12006-03-05 18:57:33 +0100418 return 0;
419 }
Stefan Roese43a2b0e2006-10-20 14:28:52 +0200420
Scott Woodea533c22010-08-02 13:04:24 -0500421 dev = (int)simple_strtoul(argv[2], NULL, 10);
422 set_dev(dev);
Stefan Roese43a2b0e2006-10-20 14:28:52 +0200423
Bartlomiej Siekaaddb2e12006-03-05 18:57:33 +0100424 return 0;
425 }
426
Ben Gardinerc9f73512010-07-05 13:27:07 -0400427#ifdef CONFIG_ENV_OFFSET_OOB
428 /* this command operates only on the first nand device */
Scott Woodea533c22010-08-02 13:04:24 -0500429 if (strcmp(cmd, "env.oob") == 0)
430 return do_nand_env_oob(cmdtp, argc - 1, argv + 1);
Ben Gardinerc9f73512010-07-05 13:27:07 -0400431#endif
432
Scott Woodea533c22010-08-02 13:04:24 -0500433 /* The following commands operate on the current device, unless
434 * overridden by a partition specifier. Note that if somehow the
435 * current device is invalid, it will have to be changed to a valid
436 * one before these commands can run, even if a partition specifier
437 * for another device is to be used.
438 */
Mugunthan V Nad92dff2017-06-26 19:12:51 -0500439 mtd = get_nand_dev_by_index(dev);
440 if (!mtd) {
Bartlomiej Siekaaddb2e12006-03-05 18:57:33 +0100441 puts("\nno devices available\n");
442 return 1;
443 }
Bartlomiej Siekaaddb2e12006-03-05 18:57:33 +0100444
445 if (strcmp(cmd, "bad") == 0) {
Scott Woodea533c22010-08-02 13:04:24 -0500446 printf("\nDevice %d bad blocks:\n", dev);
Scott Wood151c06e2016-05-30 13:57:54 -0500447 for (off = 0; off < mtd->size; off += mtd->erasesize)
448 if (nand_block_isbad(mtd, off))
Scott Woodea533c22010-08-02 13:04:24 -0500449 printf(" %08llx\n", (unsigned long long)off);
Bartlomiej Siekaaddb2e12006-03-05 18:57:33 +0100450 return 0;
451 }
452
Stefan Roese856f0542006-10-28 15:55:52 +0200453 /*
454 * Syntax is:
455 * 0 1 2 3 4
456 * nand erase [clean] [off size]
457 */
Scott Wood30486322010-08-25 14:43:29 -0500458 if (strncmp(cmd, "erase", 5) == 0 || strncmp(cmd, "scrub", 5) == 0) {
Stefan Roese2255b2d2006-10-10 12:36:02 +0200459 nand_erase_options_t opts;
Stefan Roese856f0542006-10-28 15:55:52 +0200460 /* "clean" at index 2 means request to write cleanmarker */
William Juul3043c042007-11-14 14:28:11 +0100461 int clean = argc > 2 && !strcmp("clean", argv[2]);
Marek Vasut60899812011-09-14 00:20:35 +0200462 int scrub_yes = argc > 2 && !strcmp("-y", argv[2]);
463 int o = (clean || scrub_yes) ? 3 : 2;
Scott Wood30486322010-08-25 14:43:29 -0500464 int scrub = !strncmp(cmd, "scrub", 5);
Scott Wood30486322010-08-25 14:43:29 -0500465 int spread = 0;
466 int args = 2;
Marek Vasut60899812011-09-14 00:20:35 +0200467 const char *scrub_warn =
468 "Warning: "
469 "scrub option will erase all factory set bad blocks!\n"
470 " "
471 "There is no reliable way to recover them.\n"
472 " "
473 "Use this command only for testing purposes if you\n"
474 " "
475 "are sure of what you are doing!\n"
476 "\nReally scrub this NAND flash? <y/N>\n";
Bartlomiej Siekaaddb2e12006-03-05 18:57:33 +0100477
Scott Wood30486322010-08-25 14:43:29 -0500478 if (cmd[5] != 0) {
479 if (!strcmp(&cmd[5], ".spread")) {
480 spread = 1;
481 } else if (!strcmp(&cmd[5], ".part")) {
Scott Wood30486322010-08-25 14:43:29 -0500482 args = 1;
483 } else if (!strcmp(&cmd[5], ".chip")) {
Scott Wood30486322010-08-25 14:43:29 -0500484 args = 0;
485 } else {
486 goto usage;
487 }
488 }
489
490 /*
491 * Don't allow missing arguments to cause full chip/partition
492 * erases -- easy to do accidentally, e.g. with a misspelled
493 * variable name.
494 */
495 if (argc != o + args)
496 goto usage;
497
498 printf("\nNAND %s: ", cmd);
Stefan Roese856f0542006-10-28 15:55:52 +0200499 /* skip first two or three arguments, look for offset and size */
Heiko Schocher09c32802015-04-27 07:42:05 +0200500 if (mtd_arg_off_size(argc - o, argv + o, &dev, &off, &size,
501 &maxsize, MTD_DEV_TYPE_NAND,
Mugunthan V Nad92dff2017-06-26 19:12:51 -0500502 mtd->size) != 0)
Heiko Schocher09c32802015-04-27 07:42:05 +0200503 return 1;
504
505 if (set_dev(dev))
Stefan Roese856f0542006-10-28 15:55:52 +0200506 return 1;
Stefan Roese2255b2d2006-10-10 12:36:02 +0200507
Mugunthan V Nad92dff2017-06-26 19:12:51 -0500508 mtd = get_nand_dev_by_index(dev);
Scott Woodea533c22010-08-02 13:04:24 -0500509
Stefan Roese2255b2d2006-10-10 12:36:02 +0200510 memset(&opts, 0, sizeof(opts));
511 opts.offset = off;
512 opts.length = size;
513 opts.jffs2 = clean;
514 opts.quiet = quiet;
Scott Wood30486322010-08-25 14:43:29 -0500515 opts.spread = spread;
Stefan Roese2255b2d2006-10-10 12:36:02 +0200516
517 if (scrub) {
Pierre Auberta5dffa42014-04-24 10:30:07 +0200518 if (scrub_yes) {
Marek Vasut60899812011-09-14 00:20:35 +0200519 opts.scrub = 1;
Pierre Auberta5dffa42014-04-24 10:30:07 +0200520 } else {
521 puts(scrub_warn);
522 if (confirm_yesno()) {
Florian Fainelli6b94b492010-03-20 19:02:58 +0100523 opts.scrub = 1;
Pierre Auberta5dffa42014-04-24 10:30:07 +0200524 } else {
Florian Fainelli6b94b492010-03-20 19:02:58 +0100525 puts("scrub aborted\n");
Masahiro Yamada46aabcc2013-07-11 17:29:57 +0900526 return 1;
Florian Fainelli6b94b492010-03-20 19:02:58 +0100527 }
Stefan Roese2255b2d2006-10-10 12:36:02 +0200528 }
529 }
Scott Wood151c06e2016-05-30 13:57:54 -0500530 ret = nand_erase_opts(mtd, &opts);
Bartlomiej Siekaaddb2e12006-03-05 18:57:33 +0100531 printf("%s\n", ret ? "ERROR" : "OK");
532
533 return ret == 0 ? 0 : 1;
534 }
535
536 if (strncmp(cmd, "dump", 4) == 0) {
537 if (argc < 3)
538 goto usage;
539
Bartlomiej Siekaaddb2e12006-03-05 18:57:33 +0100540 off = (int)simple_strtoul(argv[2], NULL, 16);
Scott Wood151c06e2016-05-30 13:57:54 -0500541 ret = nand_dump(mtd, off, !strcmp(&cmd[4], ".oob"), repeat);
Bartlomiej Siekaaddb2e12006-03-05 18:57:33 +0100542
543 return ret == 0 ? 1 : 0;
Bartlomiej Siekaaddb2e12006-03-05 18:57:33 +0100544 }
545
Bartlomiej Siekaaddb2e12006-03-05 18:57:33 +0100546 if (strncmp(cmd, "read", 4) == 0 || strncmp(cmd, "write", 5) == 0) {
Scott Woodea533c22010-08-02 13:04:24 -0500547 size_t rwsize;
Scott Wood418396e2012-03-02 14:01:57 -0600548 ulong pagecount = 1;
Stefan Roese2255b2d2006-10-10 12:36:02 +0200549 int read;
Harvey Chapmanced199d2013-02-07 11:34:44 +0000550 int raw = 0;
Boris Brezillon2dc3c4832016-06-15 10:42:18 +0200551 int no_verify = 0;
Stefan Roese2255b2d2006-10-10 12:36:02 +0200552
Bartlomiej Siekaaddb2e12006-03-05 18:57:33 +0100553 if (argc < 4)
554 goto usage;
Stefan Roese2255b2d2006-10-10 12:36:02 +0200555
Bartlomiej Siekaaddb2e12006-03-05 18:57:33 +0100556 addr = (ulong)simple_strtoul(argv[2], NULL, 16);
557
Stefan Roese2255b2d2006-10-10 12:36:02 +0200558 read = strncmp(cmd, "read", 4) == 0; /* 1 = read, 0 = write */
Stefan Roese856f0542006-10-28 15:55:52 +0200559 printf("\nNAND %s: ", read ? "read" : "write");
William Juul4cbb6512007-11-08 10:39:53 +0100560
Stefan Roese2255b2d2006-10-10 12:36:02 +0200561 s = strchr(cmd, '.');
Scott Wood418396e2012-03-02 14:01:57 -0600562
Boris Brezillon2dc3c4832016-06-15 10:42:18 +0200563 if (s && !strncmp(s, ".raw", 4)) {
Scott Wood418396e2012-03-02 14:01:57 -0600564 raw = 1;
565
Boris Brezillon2dc3c4832016-06-15 10:42:18 +0200566 if (!strcmp(s, ".raw.noverify"))
567 no_verify = 1;
568
Heiko Schocher09c32802015-04-27 07:42:05 +0200569 if (mtd_arg_off(argv[3], &dev, &off, &size, &maxsize,
570 MTD_DEV_TYPE_NAND,
Mugunthan V Nad92dff2017-06-26 19:12:51 -0500571 mtd->size))
Heiko Schocher09c32802015-04-27 07:42:05 +0200572 return 1;
573
574 if (set_dev(dev))
Scott Wood418396e2012-03-02 14:01:57 -0600575 return 1;
576
Mugunthan V Nad92dff2017-06-26 19:12:51 -0500577 mtd = get_nand_dev_by_index(dev);
Rostislav Lisovy93d32322014-09-16 14:38:52 +0200578
Scott Wood418396e2012-03-02 14:01:57 -0600579 if (argc > 4 && !str2long(argv[4], &pagecount)) {
580 printf("'%s' is not a number\n", argv[4]);
581 return 1;
582 }
583
Scott Wood151c06e2016-05-30 13:57:54 -0500584 if (pagecount * mtd->writesize > size) {
Scott Wood418396e2012-03-02 14:01:57 -0600585 puts("Size exceeds partition or device limit\n");
586 return -1;
587 }
588
Scott Wood151c06e2016-05-30 13:57:54 -0500589 rwsize = pagecount * (mtd->writesize + mtd->oobsize);
Scott Wood418396e2012-03-02 14:01:57 -0600590 } else {
Heiko Schocher09c32802015-04-27 07:42:05 +0200591 if (mtd_arg_off_size(argc - 3, argv + 3, &dev, &off,
592 &size, &maxsize,
593 MTD_DEV_TYPE_NAND,
Mugunthan V Nad92dff2017-06-26 19:12:51 -0500594 mtd->size) != 0)
Heiko Schocher09c32802015-04-27 07:42:05 +0200595 return 1;
596
597 if (set_dev(dev))
Scott Wood418396e2012-03-02 14:01:57 -0600598 return 1;
599
Harvey Chapmane8344022013-02-26 17:57:14 +0000600 /* size is unspecified */
601 if (argc < 5)
602 adjust_size_for_badblocks(&size, off, dev);
Scott Wood418396e2012-03-02 14:01:57 -0600603 rwsize = size;
604 }
605
Mugunthan V Nad92dff2017-06-26 19:12:51 -0500606 mtd = get_nand_dev_by_index(dev);
Rostislav Lisovy93d32322014-09-16 14:38:52 +0200607
Scott Wood984e03c2008-06-12 13:13:23 -0500608 if (!s || !strcmp(s, ".jffs2") ||
609 !strcmp(s, ".e") || !strcmp(s, ".i")) {
Scott Wooddfbf6172008-06-12 13:20:16 -0500610 if (read)
Scott Wood151c06e2016-05-30 13:57:54 -0500611 ret = nand_read_skip_bad(mtd, off, &rwsize,
Tom Rinic39d6a02013-03-14 05:32:50 +0000612 NULL, maxsize,
Wolfgang Denk4b070802008-08-14 14:41:06 +0200613 (u_char *)addr);
Scott Wooddfbf6172008-06-12 13:20:16 -0500614 else
Scott Wood151c06e2016-05-30 13:57:54 -0500615 ret = nand_write_skip_bad(mtd, off, &rwsize,
Tom Rinic39d6a02013-03-14 05:32:50 +0000616 NULL, maxsize,
Peter Tyser6b94f112015-02-03 11:58:13 -0600617 (u_char *)addr,
618 WITH_WR_VERIFY);
Ben Gardinerc9494862011-06-14 16:35:07 -0400619#ifdef CONFIG_CMD_NAND_TRIMFFS
620 } else if (!strcmp(s, ".trimffs")) {
621 if (read) {
622 printf("Unknown nand command suffix '%s'\n", s);
623 return 1;
624 }
Scott Wood151c06e2016-05-30 13:57:54 -0500625 ret = nand_write_skip_bad(mtd, off, &rwsize, NULL,
Tom Rinic39d6a02013-03-14 05:32:50 +0000626 maxsize, (u_char *)addr,
Peter Tyser6b94f112015-02-03 11:58:13 -0600627 WITH_DROP_FFS | WITH_WR_VERIFY);
Ben Gardinerc9494862011-06-14 16:35:07 -0400628#endif
Mike Frysingerdfc99e12009-04-12 22:29:20 -0400629 } else if (!strcmp(s, ".oob")) {
William Juulcfa460a2007-10-31 13:53:06 +0100630 /* out-of-band data */
631 mtd_oob_ops_t ops = {
632 .oobbuf = (u8 *)addr,
Scott Woodea533c22010-08-02 13:04:24 -0500633 .ooblen = rwsize,
Sergey Lapindfe64e22013-01-14 03:46:50 +0000634 .mode = MTD_OPS_RAW
William Juulcfa460a2007-10-31 13:53:06 +0100635 };
636
Harald Welte62d4f432007-12-19 14:12:53 +0100637 if (read)
Scott Wood151c06e2016-05-30 13:57:54 -0500638 ret = mtd_read_oob(mtd, off, &ops);
Harald Welte62d4f432007-12-19 14:12:53 +0100639 else
Scott Wood151c06e2016-05-30 13:57:54 -0500640 ret = mtd_write_oob(mtd, off, &ops);
Scott Wood418396e2012-03-02 14:01:57 -0600641 } else if (raw) {
Boris Brezillon2dc3c4832016-06-15 10:42:18 +0200642 ret = raw_access(mtd, addr, off, pagecount, read,
643 no_verify);
Stefan Roese856f0542006-10-28 15:55:52 +0200644 } else {
Scott Wood984e03c2008-06-12 13:13:23 -0500645 printf("Unknown nand command suffix '%s'.\n", s);
646 return 1;
Stefan Roese2255b2d2006-10-10 12:36:02 +0200647 }
648
Scott Woodea533c22010-08-02 13:04:24 -0500649 printf(" %zu bytes %s: %s\n", rwsize,
Stefan Roese2255b2d2006-10-10 12:36:02 +0200650 read ? "read" : "written", ret ? "ERROR" : "OK");
Bartlomiej Siekaaddb2e12006-03-05 18:57:33 +0100651
652 return ret == 0 ? 0 : 1;
653 }
Stefan Roese2255b2d2006-10-10 12:36:02 +0200654
Benoît Thébaudeau3287f6d2012-11-16 20:20:54 +0100655#ifdef CONFIG_CMD_NAND_TORTURE
656 if (strcmp(cmd, "torture") == 0) {
Max Krummenacher1866be72016-06-13 10:15:48 +0200657 loff_t endoff;
658 unsigned int failed = 0, passed = 0;
659
Benoît Thébaudeau3287f6d2012-11-16 20:20:54 +0100660 if (argc < 3)
661 goto usage;
662
663 if (!str2off(argv[2], &off)) {
664 puts("Offset is not a valid number\n");
665 return 1;
666 }
667
Max Krummenacher1866be72016-06-13 10:15:48 +0200668 size = mtd->erasesize;
669 if (argc > 3) {
670 if (!str2off(argv[3], &size)) {
671 puts("Size is not a valid number\n");
672 return 1;
673 }
674 }
Benoît Thébaudeau3287f6d2012-11-16 20:20:54 +0100675
Max Krummenacher1866be72016-06-13 10:15:48 +0200676 endoff = off + size;
677 if (endoff > mtd->size) {
678 puts("Arguments beyond end of NAND\n");
679 return 1;
680 }
681
682 off = round_down(off, mtd->erasesize);
683 endoff = round_up(endoff, mtd->erasesize);
684 size = endoff - off;
685 printf("\nNAND torture: device %d offset 0x%llx size 0x%llx (block size 0x%x)\n",
686 dev, off, size, mtd->erasesize);
687 while (off < endoff) {
688 ret = nand_torture(mtd, off);
689 if (ret) {
690 failed++;
691 printf(" block at 0x%llx failed\n", off);
692 } else {
693 passed++;
694 }
695 off += mtd->erasesize;
696 }
697 printf(" Passed: %u, failed: %u\n", passed, failed);
698 return failed != 0;
Benoît Thébaudeau3287f6d2012-11-16 20:20:54 +0100699 }
700#endif
701
Stefan Roese2255b2d2006-10-10 12:36:02 +0200702 if (strcmp(cmd, "markbad") == 0) {
Wolfgang Denk8360b662009-05-24 17:34:33 +0200703 argc -= 2;
704 argv += 2;
Stefan Roese2255b2d2006-10-10 12:36:02 +0200705
Wolfgang Denk8360b662009-05-24 17:34:33 +0200706 if (argc <= 0)
707 goto usage;
708
709 while (argc > 0) {
710 addr = simple_strtoul(*argv, NULL, 16);
711
Scott Wood151c06e2016-05-30 13:57:54 -0500712 if (mtd_block_markbad(mtd, addr)) {
Wolfgang Denk8360b662009-05-24 17:34:33 +0200713 printf("block 0x%08lx NOT marked "
714 "as bad! ERROR %d\n",
715 addr, ret);
716 ret = 1;
717 } else {
718 printf("block 0x%08lx successfully "
719 "marked as bad\n",
720 addr);
721 }
722 --argc;
723 ++argv;
Stefan Roese2255b2d2006-10-10 12:36:02 +0200724 }
Wolfgang Denk8360b662009-05-24 17:34:33 +0200725 return ret;
Stefan Roese2255b2d2006-10-10 12:36:02 +0200726 }
Scott Wooddfbf6172008-06-12 13:20:16 -0500727
Stefan Roese2255b2d2006-10-10 12:36:02 +0200728 if (strcmp(cmd, "biterr") == 0) {
729 /* todo */
730 return 1;
731 }
732
Nishanth Menon50657c22008-12-13 09:43:06 -0600733#ifdef CONFIG_CMD_NAND_LOCK_UNLOCK
Stefan Roese2255b2d2006-10-10 12:36:02 +0200734 if (strcmp(cmd, "lock") == 0) {
Nishanth Menon50657c22008-12-13 09:43:06 -0600735 int tight = 0;
Stefan Roese2255b2d2006-10-10 12:36:02 +0200736 int status = 0;
737 if (argc == 3) {
738 if (!strcmp("tight", argv[2]))
739 tight = 1;
740 if (!strcmp("status", argv[2]))
741 status = 1;
742 }
Stefan Roese2255b2d2006-10-10 12:36:02 +0200743 if (status) {
Scott Wood151c06e2016-05-30 13:57:54 -0500744 do_nand_status(mtd);
William Juulcfa460a2007-10-31 13:53:06 +0100745 } else {
Scott Wood151c06e2016-05-30 13:57:54 -0500746 if (!nand_lock(mtd, tight)) {
William Juul5e1dae52007-11-09 13:32:30 +0100747 puts("NAND flash successfully locked\n");
748 } else {
749 puts("Error locking NAND flash\n");
750 return 1;
751 }
Stefan Roese2255b2d2006-10-10 12:36:02 +0200752 }
753 return 0;
754 }
755
Joe Hershbergereee623a2012-08-22 16:49:42 -0500756 if (strncmp(cmd, "unlock", 5) == 0) {
757 int allexcept = 0;
758
759 s = strchr(cmd, '.');
760
761 if (s && !strcmp(s, ".allexcept"))
762 allexcept = 1;
763
Heiko Schocher09c32802015-04-27 07:42:05 +0200764 if (mtd_arg_off_size(argc - 2, argv + 2, &dev, &off, &size,
765 &maxsize, MTD_DEV_TYPE_NAND,
Mugunthan V Nad92dff2017-06-26 19:12:51 -0500766 mtd->size) < 0)
Heiko Schocher09c32802015-04-27 07:42:05 +0200767 return 1;
768
769 if (set_dev(dev))
Stefan Roese856f0542006-10-28 15:55:52 +0200770 return 1;
Stefan Roese2255b2d2006-10-10 12:36:02 +0200771
Mugunthan V Nad92dff2017-06-26 19:12:51 -0500772 mtd = get_nand_dev_by_index(dev);
773
774 if (!nand_unlock(mtd, off, size, allexcept)) {
William Juul5e1dae52007-11-09 13:32:30 +0100775 puts("NAND flash successfully unlocked\n");
776 } else {
777 puts("Error unlocking NAND flash, "
William Juul3043c042007-11-14 14:28:11 +0100778 "write and erase will probably fail\n");
William Juul5e1dae52007-11-09 13:32:30 +0100779 return 1;
780 }
Stefan Roese2255b2d2006-10-10 12:36:02 +0200781 return 0;
782 }
Nishanth Menon50657c22008-12-13 09:43:06 -0600783#endif
Stefan Roese2255b2d2006-10-10 12:36:02 +0200784
Bartlomiej Siekaaddb2e12006-03-05 18:57:33 +0100785usage:
Simon Glass4c12eeb2011-12-10 08:44:01 +0000786 return CMD_RET_USAGE;
Bartlomiej Siekaaddb2e12006-03-05 18:57:33 +0100787}
788
Kim Phillips088f1b12012-10-29 13:34:31 +0000789#ifdef CONFIG_SYS_LONGHELP
790static char nand_help_text[] =
Wolfgang Denka89c33d2009-05-24 17:06:54 +0200791 "info - show available NAND devices\n"
792 "nand device [dev] - show or set current device\n"
793 "nand read - addr off|partition size\n"
794 "nand write - addr off|partition size\n"
795 " read/write 'size' bytes starting at offset 'off'\n"
796 " to/from memory address 'addr', skipping bad blocks.\n"
Scott Wood418396e2012-03-02 14:01:57 -0600797 "nand read.raw - addr off|partition [count]\n"
Boris Brezillon2dc3c4832016-06-15 10:42:18 +0200798 "nand write.raw[.noverify] - addr off|partition [count]\n"
Scott Wood418396e2012-03-02 14:01:57 -0600799 " Use read.raw/write.raw to avoid ECC and access the flash as-is.\n"
Ben Gardinerc9494862011-06-14 16:35:07 -0400800#ifdef CONFIG_CMD_NAND_TRIMFFS
801 "nand write.trimffs - addr off|partition size\n"
802 " write 'size' bytes starting at offset 'off' from memory address\n"
803 " 'addr', skipping bad blocks and dropping any pages at the end\n"
804 " of eraseblocks that contain only 0xFF\n"
805#endif
Daniel Hobieb3abce2011-05-19 19:28:54 +0200806 "nand erase[.spread] [clean] off size - erase 'size' bytes "
Scott Wood30486322010-08-25 14:43:29 -0500807 "from offset 'off'\n"
808 " With '.spread', erase enough for given file size, otherwise,\n"
809 " 'size' includes skipped bad blocks.\n"
810 "nand erase.part [clean] partition - erase entire mtd partition'\n"
811 "nand erase.chip [clean] - erase entire chip'\n"
Wolfgang Denka89c33d2009-05-24 17:06:54 +0200812 "nand bad - show bad blocks\n"
813 "nand dump[.oob] off - dump page\n"
Benoît Thébaudeau3287f6d2012-11-16 20:20:54 +0100814#ifdef CONFIG_CMD_NAND_TORTURE
Max Krummenacher1866be72016-06-13 10:15:48 +0200815 "nand torture off - torture one block at offset\n"
816 "nand torture off [size] - torture blocks from off to off+size\n"
Benoît Thébaudeau3287f6d2012-11-16 20:20:54 +0100817#endif
Marek Vasut60899812011-09-14 00:20:35 +0200818 "nand scrub [-y] off size | scrub.part partition | scrub.chip\n"
Scott Wood30486322010-08-25 14:43:29 -0500819 " really clean NAND erasing bad blocks (UNSAFE)\n"
Wolfgang Denka89c33d2009-05-24 17:06:54 +0200820 "nand markbad off [...] - mark bad block(s) at offset (UNSAFE)\n"
821 "nand biterr off - make a bit error at offset (UNSAFE)"
Nishanth Menon50657c22008-12-13 09:43:06 -0600822#ifdef CONFIG_CMD_NAND_LOCK_UNLOCK
Wolfgang Denka89c33d2009-05-24 17:06:54 +0200823 "\n"
824 "nand lock [tight] [status]\n"
825 " bring nand to lock state or display locked pages\n"
Joe Hershbergereee623a2012-08-22 16:49:42 -0500826 "nand unlock[.allexcept] [offset] [size] - unlock section"
Nishanth Menon50657c22008-12-13 09:43:06 -0600827#endif
Ben Gardinerc9f73512010-07-05 13:27:07 -0400828#ifdef CONFIG_ENV_OFFSET_OOB
829 "\n"
830 "nand env.oob - environment offset in OOB of block 0 of"
831 " first device.\n"
832 "nand env.oob set off|partition - set enviromnent offset\n"
833 "nand env.oob get - get environment offset"
834#endif
Kim Phillips088f1b12012-10-29 13:34:31 +0000835 "";
836#endif
837
838U_BOOT_CMD(
839 nand, CONFIG_SYS_MAXARGS, 1, do_nand,
840 "NAND sub-system", nand_help_text
Nishanth Menon50657c22008-12-13 09:43:06 -0600841);
Bartlomiej Siekaaddb2e12006-03-05 18:57:33 +0100842
Scott Wood151c06e2016-05-30 13:57:54 -0500843static int nand_load_image(cmd_tbl_t *cmdtp, struct mtd_info *mtd,
Wolfgang Denk4b070802008-08-14 14:41:06 +0200844 ulong offset, ulong addr, char *cmd)
Stefan Roese856f0542006-10-28 15:55:52 +0200845{
846 int r;
Mike Frysinger67d668b2011-06-05 13:43:02 +0000847 char *s;
Wolfgang Denk4ca79f42008-04-28 12:08:18 +0200848 size_t cnt;
Heiko Schocher21d29f72014-05-28 11:33:33 +0200849#if defined(CONFIG_IMAGE_FORMAT_LEGACY)
Stefan Roese856f0542006-10-28 15:55:52 +0200850 image_header_t *hdr;
Heiko Schocher21d29f72014-05-28 11:33:33 +0200851#endif
Marian Balakowicz09475f72008-03-12 10:33:01 +0100852#if defined(CONFIG_FIT)
Marian Balakowicz3bab76a2008-06-06 23:07:40 +0200853 const void *fit_hdr = NULL;
Marian Balakowicz09475f72008-03-12 10:33:01 +0100854#endif
Thomas Knobloch10e03892007-07-06 14:58:39 +0200855
856 s = strchr(cmd, '.');
857 if (s != NULL &&
Scott Wood65d8bc92009-03-17 12:06:04 -0500858 (strcmp(s, ".jffs2") && strcmp(s, ".e") && strcmp(s, ".i"))) {
Scott Wood984e03c2008-06-12 13:13:23 -0500859 printf("Unknown nand load suffix '%s'\n", s);
Simon Glass770605e2012-02-13 13:51:18 +0000860 bootstage_error(BOOTSTAGE_ID_NAND_SUFFIX);
Scott Wood984e03c2008-06-12 13:13:23 -0500861 return 1;
862 }
Stefan Roese856f0542006-10-28 15:55:52 +0200863
Scott Wood151c06e2016-05-30 13:57:54 -0500864 printf("\nLoading from %s, offset 0x%lx\n", mtd->name, offset);
Stefan Roese856f0542006-10-28 15:55:52 +0200865
Scott Wood151c06e2016-05-30 13:57:54 -0500866 cnt = mtd->writesize;
867 r = nand_read_skip_bad(mtd, offset, &cnt, NULL, mtd->size,
868 (u_char *)addr);
Stefan Roese856f0542006-10-28 15:55:52 +0200869 if (r) {
870 puts("** Read error\n");
Simon Glass770605e2012-02-13 13:51:18 +0000871 bootstage_error(BOOTSTAGE_ID_NAND_HDR_READ);
Stefan Roese856f0542006-10-28 15:55:52 +0200872 return 1;
873 }
Simon Glass770605e2012-02-13 13:51:18 +0000874 bootstage_mark(BOOTSTAGE_ID_NAND_HDR_READ);
Stefan Roese856f0542006-10-28 15:55:52 +0200875
Marian Balakowicz9a4daad2008-02-29 14:58:34 +0100876 switch (genimg_get_format ((void *)addr)) {
Heiko Schocher21d29f72014-05-28 11:33:33 +0200877#if defined(CONFIG_IMAGE_FORMAT_LEGACY)
Marian Balakowiczd5934ad2008-02-04 08:28:09 +0100878 case IMAGE_FORMAT_LEGACY:
879 hdr = (image_header_t *)addr;
Stefan Roese856f0542006-10-28 15:55:52 +0200880
Simon Glass770605e2012-02-13 13:51:18 +0000881 bootstage_mark(BOOTSTAGE_ID_NAND_TYPE);
Marian Balakowiczd5934ad2008-02-04 08:28:09 +0100882 image_print_contents (hdr);
883
884 cnt = image_get_image_size (hdr);
885 break;
Heiko Schocher21d29f72014-05-28 11:33:33 +0200886#endif
Marian Balakowiczd5934ad2008-02-04 08:28:09 +0100887#if defined(CONFIG_FIT)
888 case IMAGE_FORMAT_FIT:
Marian Balakowicz09475f72008-03-12 10:33:01 +0100889 fit_hdr = (const void *)addr;
Marian Balakowicz09475f72008-03-12 10:33:01 +0100890 puts ("Fit image detected...\n");
891
892 cnt = fit_get_size (fit_hdr);
893 break;
Marian Balakowiczd5934ad2008-02-04 08:28:09 +0100894#endif
895 default:
Simon Glass770605e2012-02-13 13:51:18 +0000896 bootstage_error(BOOTSTAGE_ID_NAND_TYPE);
Marian Balakowiczd5934ad2008-02-04 08:28:09 +0100897 puts ("** Unknown image type\n");
Stefan Roese856f0542006-10-28 15:55:52 +0200898 return 1;
899 }
Simon Glass770605e2012-02-13 13:51:18 +0000900 bootstage_mark(BOOTSTAGE_ID_NAND_TYPE);
Stefan Roese856f0542006-10-28 15:55:52 +0200901
Scott Wood151c06e2016-05-30 13:57:54 -0500902 r = nand_read_skip_bad(mtd, offset, &cnt, NULL, mtd->size,
903 (u_char *)addr);
Stefan Roese856f0542006-10-28 15:55:52 +0200904 if (r) {
905 puts("** Read error\n");
Simon Glass770605e2012-02-13 13:51:18 +0000906 bootstage_error(BOOTSTAGE_ID_NAND_READ);
Stefan Roese856f0542006-10-28 15:55:52 +0200907 return 1;
908 }
Simon Glass770605e2012-02-13 13:51:18 +0000909 bootstage_mark(BOOTSTAGE_ID_NAND_READ);
Stefan Roese856f0542006-10-28 15:55:52 +0200910
Marian Balakowicz09475f72008-03-12 10:33:01 +0100911#if defined(CONFIG_FIT)
912 /* This cannot be done earlier, we need complete FIT image in RAM first */
Marian Balakowicz3bab76a2008-06-06 23:07:40 +0200913 if (genimg_get_format ((void *)addr) == IMAGE_FORMAT_FIT) {
914 if (!fit_check_format (fit_hdr)) {
Simon Glass770605e2012-02-13 13:51:18 +0000915 bootstage_error(BOOTSTAGE_ID_NAND_FIT_READ);
Marian Balakowicz3bab76a2008-06-06 23:07:40 +0200916 puts ("** Bad FIT image format\n");
917 return 1;
918 }
Simon Glass770605e2012-02-13 13:51:18 +0000919 bootstage_mark(BOOTSTAGE_ID_NAND_FIT_READ_OK);
Marian Balakowicz3bab76a2008-06-06 23:07:40 +0200920 fit_print_contents (fit_hdr);
921 }
Marian Balakowicz09475f72008-03-12 10:33:01 +0100922#endif
923
Stefan Roese856f0542006-10-28 15:55:52 +0200924 /* Loading ok, update default load address */
925
926 load_addr = addr;
927
Mike Frysinger67d668b2011-06-05 13:43:02 +0000928 return bootm_maybe_autostart(cmdtp, cmd);
Stefan Roese856f0542006-10-28 15:55:52 +0200929}
930
Kim Phillips088f1b12012-10-29 13:34:31 +0000931static int do_nandboot(cmd_tbl_t *cmdtp, int flag, int argc,
932 char * const argv[])
Bartlomiej Siekaaddb2e12006-03-05 18:57:33 +0100933{
934 char *boot_device = NULL;
Stefan Roese856f0542006-10-28 15:55:52 +0200935 int idx;
936 ulong addr, offset = 0;
Mugunthan V Nad92dff2017-06-26 19:12:51 -0500937 struct mtd_info *mtd;
Ladislav Michl0c8a8492009-04-21 02:26:31 +0200938#if defined(CONFIG_CMD_MTDPARTS)
Stefan Roese856f0542006-10-28 15:55:52 +0200939 struct mtd_device *dev;
940 struct part_info *part;
941 u8 pnum;
942
943 if (argc >= 2) {
944 char *p = (argc == 2) ? argv[1] : argv[2];
945 if (!(str2long(p, &addr)) && (mtdparts_init() == 0) &&
946 (find_dev_and_part(p, &dev, &pnum, &part) == 0)) {
947 if (dev->id->type != MTD_DEV_TYPE_NAND) {
948 puts("Not a NAND device\n");
949 return 1;
950 }
951 if (argc > 3)
952 goto usage;
953 if (argc == 3)
Thomas Knobloch10e03892007-07-06 14:58:39 +0200954 addr = simple_strtoul(argv[1], NULL, 16);
Stefan Roese856f0542006-10-28 15:55:52 +0200955 else
Jean-Christophe PLAGNIOL-VILLARD6d0f6bc2008-10-16 15:01:15 +0200956 addr = CONFIG_SYS_LOAD_ADDR;
Mugunthan V Nad92dff2017-06-26 19:12:51 -0500957
958 mtd = get_nand_dev_by_index(dev->id->num);
959 return nand_load_image(cmdtp, mtd, part->offset,
960 addr, argv[0]);
Stefan Roese856f0542006-10-28 15:55:52 +0200961 }
962 }
963#endif
Bartlomiej Siekaaddb2e12006-03-05 18:57:33 +0100964
Simon Glass770605e2012-02-13 13:51:18 +0000965 bootstage_mark(BOOTSTAGE_ID_NAND_PART);
Bartlomiej Siekaaddb2e12006-03-05 18:57:33 +0100966 switch (argc) {
967 case 1:
Jean-Christophe PLAGNIOL-VILLARD6d0f6bc2008-10-16 15:01:15 +0200968 addr = CONFIG_SYS_LOAD_ADDR;
Bartlomiej Siekaaddb2e12006-03-05 18:57:33 +0100969 boot_device = getenv("bootdevice");
970 break;
971 case 2:
972 addr = simple_strtoul(argv[1], NULL, 16);
973 boot_device = getenv("bootdevice");
974 break;
975 case 3:
976 addr = simple_strtoul(argv[1], NULL, 16);
977 boot_device = argv[2];
978 break;
979 case 4:
980 addr = simple_strtoul(argv[1], NULL, 16);
981 boot_device = argv[2];
982 offset = simple_strtoul(argv[3], NULL, 16);
983 break;
984 default:
Ladislav Michl0c8a8492009-04-21 02:26:31 +0200985#if defined(CONFIG_CMD_MTDPARTS)
Stefan Roese856f0542006-10-28 15:55:52 +0200986usage:
987#endif
Simon Glass770605e2012-02-13 13:51:18 +0000988 bootstage_error(BOOTSTAGE_ID_NAND_SUFFIX);
Simon Glass4c12eeb2011-12-10 08:44:01 +0000989 return CMD_RET_USAGE;
Bartlomiej Siekaaddb2e12006-03-05 18:57:33 +0100990 }
Simon Glass770605e2012-02-13 13:51:18 +0000991 bootstage_mark(BOOTSTAGE_ID_NAND_SUFFIX);
Bartlomiej Siekaaddb2e12006-03-05 18:57:33 +0100992
993 if (!boot_device) {
994 puts("\n** No boot device **\n");
Simon Glass770605e2012-02-13 13:51:18 +0000995 bootstage_error(BOOTSTAGE_ID_NAND_BOOT_DEVICE);
Bartlomiej Siekaaddb2e12006-03-05 18:57:33 +0100996 return 1;
997 }
Simon Glass770605e2012-02-13 13:51:18 +0000998 bootstage_mark(BOOTSTAGE_ID_NAND_BOOT_DEVICE);
Bartlomiej Siekaaddb2e12006-03-05 18:57:33 +0100999
Stefan Roese856f0542006-10-28 15:55:52 +02001000 idx = simple_strtoul(boot_device, NULL, 16);
Bartlomiej Siekaaddb2e12006-03-05 18:57:33 +01001001
Mugunthan V Nad92dff2017-06-26 19:12:51 -05001002 mtd = get_nand_dev_by_index(idx);
1003 if (!mtd) {
Stefan Roese856f0542006-10-28 15:55:52 +02001004 printf("\n** Device %d not available\n", idx);
Simon Glass770605e2012-02-13 13:51:18 +00001005 bootstage_error(BOOTSTAGE_ID_NAND_AVAILABLE);
Bartlomiej Siekaaddb2e12006-03-05 18:57:33 +01001006 return 1;
1007 }
Simon Glass770605e2012-02-13 13:51:18 +00001008 bootstage_mark(BOOTSTAGE_ID_NAND_AVAILABLE);
Bartlomiej Siekaaddb2e12006-03-05 18:57:33 +01001009
Mugunthan V Nad92dff2017-06-26 19:12:51 -05001010 return nand_load_image(cmdtp, mtd, offset, addr, argv[0]);
Bartlomiej Siekaaddb2e12006-03-05 18:57:33 +01001011}
1012
1013U_BOOT_CMD(nboot, 4, 1, do_nandboot,
Peter Tyser2fb26042009-01-27 18:03:12 -06001014 "boot from NAND device",
Wolfgang Denka89c33d2009-05-24 17:06:54 +02001015 "[partition] | [[[loadAddr] dev] offset]"
1016);