blob: 4de6892a01b845262aefe40cfea0da550b7e8f5c [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 *
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>
Simon Glass8e8ccfe2019-12-28 10:45:03 -070023#include <image.h>
William Juulcfa460a2007-10-31 13:53:06 +010024#include <linux/mtd/mtd.h>
Bartlomiej Siekaaddb2e12006-03-05 18:57:33 +010025#include <command.h>
Simon Glass24b852a2015-11-08 23:47:45 -070026#include <console.h>
Simon Glassc7694dd2019-08-01 09:46:46 -060027#include <env.h>
Bartlomiej Siekaaddb2e12006-03-05 18:57:33 +010028#include <watchdog.h>
29#include <malloc.h>
30#include <asm/byteorder.h>
Bartlomiej Siekaaddb2e12006-03-05 18:57:33 +010031#include <jffs2/jffs2.h>
32#include <nand.h>
33
Miquel Raynaleb446ef2019-10-25 19:39:29 +020034#include "legacy-mtd-utils.h"
35
Ladislav Michl0c8a8492009-04-21 02:26:31 +020036#if defined(CONFIG_CMD_MTDPARTS)
Stefan Roese856f0542006-10-28 15:55:52 +020037
Wolfgang Denk445093d2009-11-17 21:27:39 +010038/* partition handling routines */
Stefan Roese856f0542006-10-28 15:55:52 +020039int mtdparts_init(void);
Stefan Roese856f0542006-10-28 15:55:52 +020040int find_dev_and_part(const char *id, struct mtd_device **dev,
Wolfgang Denk4b070802008-08-14 14:41:06 +020041 u8 *part_num, struct part_info **part);
Stefan Roese856f0542006-10-28 15:55:52 +020042#endif
43
Scott Wood151c06e2016-05-30 13:57:54 -050044static int nand_dump(struct mtd_info *mtd, ulong off, int only_oob,
45 int repeat)
Bartlomiej Siekaaddb2e12006-03-05 18:57:33 +010046{
47 int i;
William Juul9ad754f2007-12-14 16:33:45 +010048 u_char *datbuf, *oobbuf, *p;
Scott Wood8c5659a2010-08-25 15:24:01 -050049 static loff_t last;
Masahiro Yamadae40520b2013-07-11 17:27:12 +090050 int ret = 0;
Scott Wood8c5659a2010-08-25 15:24:01 -050051
52 if (repeat)
Scott Wood151c06e2016-05-30 13:57:54 -050053 off = last + mtd->writesize;
Scott Wood8c5659a2010-08-25 15:24:01 -050054
55 last = off;
Bartlomiej Siekaaddb2e12006-03-05 18:57:33 +010056
Scott Wood151c06e2016-05-30 13:57:54 -050057 datbuf = memalign(ARCH_DMA_MINALIGN, mtd->writesize);
Masahiro Yamadae40520b2013-07-11 17:27:12 +090058 if (!datbuf) {
Bartlomiej Siekaaddb2e12006-03-05 18:57:33 +010059 puts("No memory for page buffer\n");
60 return 1;
61 }
Masahiro Yamadae40520b2013-07-11 17:27:12 +090062
Scott Wood151c06e2016-05-30 13:57:54 -050063 oobbuf = memalign(ARCH_DMA_MINALIGN, mtd->oobsize);
Masahiro Yamadae40520b2013-07-11 17:27:12 +090064 if (!oobbuf) {
65 puts("No memory for page buffer\n");
66 ret = 1;
67 goto free_dat;
68 }
Scott Wood151c06e2016-05-30 13:57:54 -050069 off &= ~(mtd->writesize - 1);
William Juulcfa460a2007-10-31 13:53:06 +010070 loff_t addr = (loff_t) off;
William Juul9ad754f2007-12-14 16:33:45 +010071 struct mtd_oob_ops ops;
72 memset(&ops, 0, sizeof(ops));
73 ops.datbuf = datbuf;
Tom Rinicfdae122012-02-23 15:47:46 -070074 ops.oobbuf = oobbuf;
Scott Wood151c06e2016-05-30 13:57:54 -050075 ops.len = mtd->writesize;
76 ops.ooblen = mtd->oobsize;
Sergey Lapindfe64e22013-01-14 03:46:50 +000077 ops.mode = MTD_OPS_RAW;
Scott Wood151c06e2016-05-30 13:57:54 -050078 i = mtd_read_oob(mtd, addr, &ops);
Bartlomiej Siekaaddb2e12006-03-05 18:57:33 +010079 if (i < 0) {
Stefan Roesee8706902008-07-10 10:10:54 +020080 printf("Error (%d) reading page %08lx\n", i, off);
Masahiro Yamadae40520b2013-07-11 17:27:12 +090081 ret = 1;
82 goto free_all;
Bartlomiej Siekaaddb2e12006-03-05 18:57:33 +010083 }
Stefan Roesee8706902008-07-10 10:10:54 +020084 printf("Page %08lx dump:\n", off);
Wolfgang Denk4b070802008-08-14 14:41:06 +020085
Masahiro Yamada7d25cd32013-07-11 17:27:13 +090086 if (!only_oob) {
Scott Wood151c06e2016-05-30 13:57:54 -050087 i = mtd->writesize >> 4;
Masahiro Yamada7d25cd32013-07-11 17:27:13 +090088 p = datbuf;
89
90 while (i--) {
William Juul9ad754f2007-12-14 16:33:45 +010091 printf("\t%02x %02x %02x %02x %02x %02x %02x %02x"
92 " %02x %02x %02x %02x %02x %02x %02x %02x\n",
93 p[0], p[1], p[2], p[3], p[4], p[5], p[6], p[7],
Scott Wooddfbf6172008-06-12 13:20:16 -050094 p[8], p[9], p[10], p[11], p[12], p[13], p[14],
95 p[15]);
Masahiro Yamada7d25cd32013-07-11 17:27:13 +090096 p += 16;
97 }
Bartlomiej Siekaaddb2e12006-03-05 18:57:33 +010098 }
Masahiro Yamada7d25cd32013-07-11 17:27:13 +090099
Bartlomiej Siekaaddb2e12006-03-05 18:57:33 +0100100 puts("OOB:\n");
Scott Wood151c06e2016-05-30 13:57:54 -0500101 i = mtd->oobsize >> 3;
Tom Rinicfdae122012-02-23 15:47:46 -0700102 p = oobbuf;
Bartlomiej Siekaaddb2e12006-03-05 18:57:33 +0100103 while (i--) {
William Juulcfa460a2007-10-31 13:53:06 +0100104 printf("\t%02x %02x %02x %02x %02x %02x %02x %02x\n",
105 p[0], p[1], p[2], p[3], p[4], p[5], p[6], p[7]);
Bartlomiej Siekaaddb2e12006-03-05 18:57:33 +0100106 p += 8;
107 }
Bartlomiej Siekaaddb2e12006-03-05 18:57:33 +0100108
Masahiro Yamadae40520b2013-07-11 17:27:12 +0900109free_all:
110 free(oobbuf);
111free_dat:
112 free(datbuf);
113
114 return ret;
Bartlomiej Siekaaddb2e12006-03-05 18:57:33 +0100115}
116
117/* ------------------------------------------------------------------------- */
118
Scott Woodea533c22010-08-02 13:04:24 -0500119static int set_dev(int dev)
120{
Mugunthan V Nad92dff2017-06-26 19:12:51 -0500121 struct mtd_info *mtd = get_nand_dev_by_index(dev);
122
123 if (!mtd)
124 return -ENODEV;
Scott Woodea533c22010-08-02 13:04:24 -0500125
126 if (nand_curr_device == dev)
127 return 0;
128
Mugunthan V Nad92dff2017-06-26 19:12:51 -0500129 printf("Device %d: %s", dev, mtd->name);
Scott Woodea533c22010-08-02 13:04:24 -0500130 puts("... is now current device\n");
131 nand_curr_device = dev;
132
133#ifdef CONFIG_SYS_NAND_SELECT_DEVICE
Grygorii Strashko6308e712017-06-26 19:12:58 -0500134 board_nand_select_device(mtd_to_nand(mtd), dev);
Scott Woodea533c22010-08-02 13:04:24 -0500135#endif
136
137 return 0;
138}
139
Nishanth Menon50657c22008-12-13 09:43:06 -0600140#ifdef CONFIG_CMD_NAND_LOCK_UNLOCK
141static void print_status(ulong start, ulong end, ulong erasesize, int status)
142{
Joe Hershbergere70bfa22012-08-22 16:49:45 -0500143 /*
144 * Micron NAND flash (e.g. MT29F4G08ABADAH4) BLOCK LOCK READ STATUS is
145 * not the same as others. Instead of bit 1 being lock, it is
146 * #lock_tight. To make the driver support either format, ignore bit 1
147 * and use only bit 0 and bit 2.
148 */
Nishanth Menon50657c22008-12-13 09:43:06 -0600149 printf("%08lx - %08lx: %08lx blocks %s%s%s\n",
150 start,
151 end - 1,
152 (end - start) / erasesize,
153 ((status & NAND_LOCK_STATUS_TIGHT) ? "TIGHT " : ""),
Joe Hershbergere70bfa22012-08-22 16:49:45 -0500154 (!(status & NAND_LOCK_STATUS_UNLOCK) ? "LOCK " : ""),
Nishanth Menon50657c22008-12-13 09:43:06 -0600155 ((status & NAND_LOCK_STATUS_UNLOCK) ? "UNLOCK " : ""));
156}
157
Scott Wood151c06e2016-05-30 13:57:54 -0500158static void do_nand_status(struct mtd_info *mtd)
Nishanth Menon50657c22008-12-13 09:43:06 -0600159{
160 ulong block_start = 0;
161 ulong off;
162 int last_status = -1;
163
Scott Wood17cb4b82016-05-30 13:57:56 -0500164 struct nand_chip *nand_chip = mtd_to_nand(mtd);
Nishanth Menon50657c22008-12-13 09:43:06 -0600165 /* check the WP bit */
Scott Wood151c06e2016-05-30 13:57:54 -0500166 nand_chip->cmdfunc(mtd, NAND_CMD_STATUS, -1, -1);
Nishanth Menon50657c22008-12-13 09:43:06 -0600167 printf("device is %swrite protected\n",
Scott Wood151c06e2016-05-30 13:57:54 -0500168 (nand_chip->read_byte(mtd) & 0x80 ?
169 "NOT " : ""));
Nishanth Menon50657c22008-12-13 09:43:06 -0600170
Scott Wood151c06e2016-05-30 13:57:54 -0500171 for (off = 0; off < mtd->size; off += mtd->erasesize) {
172 int s = nand_get_lock_status(mtd, off);
Nishanth Menon50657c22008-12-13 09:43:06 -0600173
174 /* print message only if status has changed */
175 if (s != last_status && off != 0) {
Scott Wood151c06e2016-05-30 13:57:54 -0500176 print_status(block_start, off, mtd->erasesize,
Nishanth Menon50657c22008-12-13 09:43:06 -0600177 last_status);
178 block_start = off;
179 }
180 last_status = s;
181 }
182 /* Print the last block info */
Scott Wood151c06e2016-05-30 13:57:54 -0500183 print_status(block_start, off, mtd->erasesize, last_status);
Nishanth Menon50657c22008-12-13 09:43:06 -0600184}
185#endif
186
Ben Gardinerc9f73512010-07-05 13:27:07 -0400187#ifdef CONFIG_ENV_OFFSET_OOB
188unsigned long nand_env_oob_offset;
189
Scott Woodea533c22010-08-02 13:04:24 -0500190int do_nand_env_oob(cmd_tbl_t *cmdtp, int argc, char *const argv[])
Ben Gardinerc9f73512010-07-05 13:27:07 -0400191{
192 int ret;
193 uint32_t oob_buf[ENV_OFFSET_SIZE/sizeof(uint32_t)];
Mugunthan V Nad92dff2017-06-26 19:12:51 -0500194 struct mtd_info *mtd = get_nand_dev_by_index(0);
Ben Gardinerc9f73512010-07-05 13:27:07 -0400195 char *cmd = argv[1];
196
Scott Wood8b7d5122016-09-01 17:31:31 -0500197 if (CONFIG_SYS_MAX_NAND_DEVICE == 0 || !mtd) {
Scott Woodea533c22010-08-02 13:04:24 -0500198 puts("no devices available\n");
199 return 1;
200 }
201
202 set_dev(0);
203
Ben Gardinerc9f73512010-07-05 13:27:07 -0400204 if (!strcmp(cmd, "get")) {
Scott Wood151c06e2016-05-30 13:57:54 -0500205 ret = get_nand_env_oob(mtd, &nand_env_oob_offset);
Scott Wood53504a22010-07-12 18:17:40 -0500206 if (ret)
Ben Gardinerc9f73512010-07-05 13:27:07 -0400207 return 1;
Scott Wood53504a22010-07-12 18:17:40 -0500208
209 printf("0x%08lx\n", nand_env_oob_offset);
Ben Gardinerc9f73512010-07-05 13:27:07 -0400210 } else if (!strcmp(cmd, "set")) {
Scott Woodea533c22010-08-02 13:04:24 -0500211 loff_t addr;
212 loff_t maxsize;
Ben Gardinerc9f73512010-07-05 13:27:07 -0400213 struct mtd_oob_ops ops;
Scott Woodea533c22010-08-02 13:04:24 -0500214 int idx = 0;
Ben Gardinerc9f73512010-07-05 13:27:07 -0400215
216 if (argc < 3)
217 goto usage;
218
Mugunthan V Nad92dff2017-06-26 19:12:51 -0500219 mtd = get_nand_dev_by_index(idx);
Tom Rinic39d6a02013-03-14 05:32:50 +0000220 /* We don't care about size, or maxsize. */
Heiko Schocher09c32802015-04-27 07:42:05 +0200221 if (mtd_arg_off(argv[2], &idx, &addr, &maxsize, &maxsize,
Mugunthan V Nad92dff2017-06-26 19:12:51 -0500222 MTD_DEV_TYPE_NAND, mtd->size)) {
Heiko Schocher09c32802015-04-27 07:42:05 +0200223 puts("Offset or partition name expected\n");
224 return 1;
225 }
226 if (set_dev(idx)) {
Scott Woodea533c22010-08-02 13:04:24 -0500227 puts("Offset or partition name expected\n");
228 return 1;
229 }
230
231 if (idx != 0) {
232 puts("Partition not on first NAND device\n");
Ben Gardinerc9f73512010-07-05 13:27:07 -0400233 return 1;
234 }
235
Scott Wood151c06e2016-05-30 13:57:54 -0500236 if (mtd->oobavail < ENV_OFFSET_SIZE) {
Scott Wood53504a22010-07-12 18:17:40 -0500237 printf("Insufficient available OOB bytes:\n"
238 "%d OOB bytes available but %d required for "
239 "env.oob support\n",
Scott Wood151c06e2016-05-30 13:57:54 -0500240 mtd->oobavail, ENV_OFFSET_SIZE);
Ben Gardinerc9f73512010-07-05 13:27:07 -0400241 return 1;
242 }
243
Scott Wood151c06e2016-05-30 13:57:54 -0500244 if ((addr & (mtd->erasesize - 1)) != 0) {
Ben Gardinerc9f73512010-07-05 13:27:07 -0400245 printf("Environment offset must be block-aligned\n");
246 return 1;
247 }
248
249 ops.datbuf = NULL;
250 ops.mode = MTD_OOB_AUTO;
251 ops.ooboffs = 0;
252 ops.ooblen = ENV_OFFSET_SIZE;
253 ops.oobbuf = (void *) oob_buf;
254
255 oob_buf[0] = ENV_OOB_MARKER;
Scott Wood151c06e2016-05-30 13:57:54 -0500256 oob_buf[1] = addr / mtd->erasesize;
Ben Gardinerc9f73512010-07-05 13:27:07 -0400257
Scott Wood151c06e2016-05-30 13:57:54 -0500258 ret = mtd->write_oob(mtd, ENV_OFFSET_SIZE, &ops);
Scott Wood53504a22010-07-12 18:17:40 -0500259 if (ret) {
Ben Gardinerc9f73512010-07-05 13:27:07 -0400260 printf("Error writing OOB block 0\n");
261 return ret;
262 }
Scott Wood53504a22010-07-12 18:17:40 -0500263
Scott Wood151c06e2016-05-30 13:57:54 -0500264 ret = get_nand_env_oob(mtd, &nand_env_oob_offset);
Scott Wood53504a22010-07-12 18:17:40 -0500265 if (ret) {
266 printf("Error reading env offset in OOB\n");
267 return ret;
268 }
269
270 if (addr != nand_env_oob_offset) {
271 printf("Verification of env offset in OOB failed: "
Scott Woodea533c22010-08-02 13:04:24 -0500272 "0x%08llx expected but got 0x%08lx\n",
273 (unsigned long long)addr, nand_env_oob_offset);
Scott Wood53504a22010-07-12 18:17:40 -0500274 return 1;
275 }
Ben Gardinerc9f73512010-07-05 13:27:07 -0400276 } else {
277 goto usage;
278 }
279
280 return ret;
281
282usage:
Simon Glass4c12eeb2011-12-10 08:44:01 +0000283 return CMD_RET_USAGE;
Ben Gardinerc9f73512010-07-05 13:27:07 -0400284}
285
286#endif
287
Marek Vasutce80ddc2011-09-22 03:57:26 +0200288static void nand_print_and_set_info(int idx)
Wolfgang Grandegger672ed2a2009-02-11 18:38:20 +0100289{
Mugunthan V Nad92dff2017-06-26 19:12:51 -0500290 struct mtd_info *mtd;
291 struct nand_chip *chip;
Marek Vasutce80ddc2011-09-22 03:57:26 +0200292
Mugunthan V Nad92dff2017-06-26 19:12:51 -0500293 mtd = get_nand_dev_by_index(idx);
294 if (!mtd)
295 return;
296
297 chip = mtd_to_nand(mtd);
Wolfgang Grandegger672ed2a2009-02-11 18:38:20 +0100298 printf("Device %d: ", idx);
299 if (chip->numchips > 1)
300 printf("%dx ", chip->numchips);
301 printf("%s, sector size %u KiB\n",
Scott Wood151c06e2016-05-30 13:57:54 -0500302 mtd->name, mtd->erasesize >> 10);
303 printf(" Page size %8d b\n", mtd->writesize);
304 printf(" OOB size %8d b\n", mtd->oobsize);
305 printf(" Erase size %8d b\n", mtd->erasesize);
Heiko Schocher5db73fe2015-04-12 10:18:09 +0200306 printf(" subpagesize %8d b\n", chip->subpagesize);
Lothar Waßmann66dc09c2017-07-10 08:44:24 +0200307 printf(" options 0x%08x\n", chip->options);
308 printf(" bbt options 0x%08x\n", chip->bbt_options);
Marek Vasutce80ddc2011-09-22 03:57:26 +0200309
310 /* Set geometry info */
Simon Glass018f5302017-08-03 12:22:10 -0600311 env_set_hex("nand_writesize", mtd->writesize);
312 env_set_hex("nand_oobsize", mtd->oobsize);
313 env_set_hex("nand_erasesize", mtd->erasesize);
Wolfgang Grandegger672ed2a2009-02-11 18:38:20 +0100314}
315
Scott Wood151c06e2016-05-30 13:57:54 -0500316static int raw_access(struct mtd_info *mtd, ulong addr, loff_t off,
Boris Brezillon2dc3c4832016-06-15 10:42:18 +0200317 ulong count, int read, int no_verify)
Scott Wood418396e2012-03-02 14:01:57 -0600318{
319 int ret = 0;
Scott Wood418396e2012-03-02 14:01:57 -0600320
321 while (count--) {
322 /* Raw access */
323 mtd_oob_ops_t ops = {
324 .datbuf = (u8 *)addr,
Scott Wood151c06e2016-05-30 13:57:54 -0500325 .oobbuf = ((u8 *)addr) + mtd->writesize,
326 .len = mtd->writesize,
327 .ooblen = mtd->oobsize,
Sergey Lapindfe64e22013-01-14 03:46:50 +0000328 .mode = MTD_OPS_RAW
Scott Wood418396e2012-03-02 14:01:57 -0600329 };
330
Peter Tyser6b94f112015-02-03 11:58:13 -0600331 if (read) {
Scott Wood151c06e2016-05-30 13:57:54 -0500332 ret = mtd_read_oob(mtd, off, &ops);
Peter Tyser6b94f112015-02-03 11:58:13 -0600333 } else {
Scott Wood151c06e2016-05-30 13:57:54 -0500334 ret = mtd_write_oob(mtd, off, &ops);
Boris Brezillon2dc3c4832016-06-15 10:42:18 +0200335 if (!ret && !no_verify)
Scott Wood151c06e2016-05-30 13:57:54 -0500336 ret = nand_verify_page_oob(mtd, &ops, off);
Peter Tyser6b94f112015-02-03 11:58:13 -0600337 }
Scott Wood418396e2012-03-02 14:01:57 -0600338
339 if (ret) {
340 printf("%s: error at offset %llx, ret %d\n",
341 __func__, (long long)off, ret);
342 break;
343 }
344
Scott Wood151c06e2016-05-30 13:57:54 -0500345 addr += mtd->writesize + mtd->oobsize;
346 off += mtd->writesize;
Scott Wood418396e2012-03-02 14:01:57 -0600347 }
348
349 return ret;
350}
351
Harvey Chapmane8344022013-02-26 17:57:14 +0000352/* Adjust a chip/partition size down for bad blocks so we don't
Scott Wood9b80aa82013-06-20 12:45:31 -0500353 * read/write past the end of a chip/partition by accident.
Harvey Chapmane8344022013-02-26 17:57:14 +0000354 */
355static void adjust_size_for_badblocks(loff_t *size, loff_t offset, int dev)
356{
357 /* We grab the nand info object here fresh because this is usually
358 * called after arg_off_size() which can change the value of dev.
359 */
Mugunthan V Nad92dff2017-06-26 19:12:51 -0500360 struct mtd_info *mtd = get_nand_dev_by_index(dev);
Harvey Chapmane8344022013-02-26 17:57:14 +0000361 loff_t maxoffset = offset + *size;
362 int badblocks = 0;
363
364 /* count badblocks in NAND from offset to offset + size */
Scott Wood151c06e2016-05-30 13:57:54 -0500365 for (; offset < maxoffset; offset += mtd->erasesize) {
366 if (nand_block_isbad(mtd, offset))
Harvey Chapmane8344022013-02-26 17:57:14 +0000367 badblocks++;
368 }
369 /* adjust size if any bad blocks found */
370 if (badblocks) {
Scott Wood151c06e2016-05-30 13:57:54 -0500371 *size -= badblocks * mtd->erasesize;
Harvey Chapmane8344022013-02-26 17:57:14 +0000372 printf("size adjusted to 0x%llx (%d bad blocks)\n",
373 (unsigned long long)*size, badblocks);
374 }
375}
376
Kim Phillips088f1b12012-10-29 13:34:31 +0000377static int do_nand(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
Bartlomiej Siekaaddb2e12006-03-05 18:57:33 +0100378{
Scott Woodea533c22010-08-02 13:04:24 -0500379 int i, ret = 0;
380 ulong addr;
Tom Rinic39d6a02013-03-14 05:32:50 +0000381 loff_t off, size, maxsize;
Bartlomiej Siekaaddb2e12006-03-05 18:57:33 +0100382 char *cmd, *s;
Scott Wood151c06e2016-05-30 13:57:54 -0500383 struct mtd_info *mtd;
Jean-Christophe PLAGNIOL-VILLARD6d0f6bc2008-10-16 15:01:15 +0200384#ifdef CONFIG_SYS_NAND_QUIET
385 int quiet = CONFIG_SYS_NAND_QUIET;
Matthias Fuchsc750d2e2007-09-12 12:36:53 +0200386#else
Stefan Roese2255b2d2006-10-10 12:36:02 +0200387 int quiet = 0;
Matthias Fuchsc750d2e2007-09-12 12:36:53 +0200388#endif
Simon Glass00caae62017-08-03 12:22:12 -0600389 const char *quiet_str = env_get("quiet");
Scott Woodea533c22010-08-02 13:04:24 -0500390 int dev = nand_curr_device;
Scott Wood8c5659a2010-08-25 15:24:01 -0500391 int repeat = flag & CMD_FLAG_REPEAT;
Bartlomiej Siekaaddb2e12006-03-05 18:57:33 +0100392
393 /* at least two arguments please */
394 if (argc < 2)
395 goto usage;
396
Stefan Roese2255b2d2006-10-10 12:36:02 +0200397 if (quiet_str)
398 quiet = simple_strtoul(quiet_str, NULL, 0) != 0;
399
Bartlomiej Siekaaddb2e12006-03-05 18:57:33 +0100400 cmd = argv[1];
401
Scott Wood8c5659a2010-08-25 15:24:01 -0500402 /* Only "dump" is repeatable. */
403 if (repeat && strcmp(cmd, "dump"))
404 return 0;
405
Bartlomiej Siekaaddb2e12006-03-05 18:57:33 +0100406 if (strcmp(cmd, "info") == 0) {
407
408 putc('\n');
Mugunthan V Nad92dff2017-06-26 19:12:51 -0500409 for (i = 0; i < CONFIG_SYS_MAX_NAND_DEVICE; i++)
410 nand_print_and_set_info(i);
Bartlomiej Siekaaddb2e12006-03-05 18:57:33 +0100411 return 0;
412 }
413
414 if (strcmp(cmd, "device") == 0) {
Bartlomiej Siekaaddb2e12006-03-05 18:57:33 +0100415 if (argc < 3) {
Wolfgang Grandegger672ed2a2009-02-11 18:38:20 +0100416 putc('\n');
Scott Woodea533c22010-08-02 13:04:24 -0500417 if (dev < 0 || dev >= CONFIG_SYS_MAX_NAND_DEVICE)
Wolfgang Grandegger672ed2a2009-02-11 18:38:20 +0100418 puts("no devices available\n");
Bartlomiej Siekaaddb2e12006-03-05 18:57:33 +0100419 else
Marek Vasutce80ddc2011-09-22 03:57:26 +0200420 nand_print_and_set_info(dev);
Bartlomiej Siekaaddb2e12006-03-05 18:57:33 +0100421 return 0;
422 }
Stefan Roese43a2b0e2006-10-20 14:28:52 +0200423
Scott Woodea533c22010-08-02 13:04:24 -0500424 dev = (int)simple_strtoul(argv[2], NULL, 10);
425 set_dev(dev);
Stefan Roese43a2b0e2006-10-20 14:28:52 +0200426
Bartlomiej Siekaaddb2e12006-03-05 18:57:33 +0100427 return 0;
428 }
429
Ben Gardinerc9f73512010-07-05 13:27:07 -0400430#ifdef CONFIG_ENV_OFFSET_OOB
431 /* this command operates only on the first nand device */
Scott Woodea533c22010-08-02 13:04:24 -0500432 if (strcmp(cmd, "env.oob") == 0)
433 return do_nand_env_oob(cmdtp, argc - 1, argv + 1);
Ben Gardinerc9f73512010-07-05 13:27:07 -0400434#endif
435
Scott Woodea533c22010-08-02 13:04:24 -0500436 /* The following commands operate on the current device, unless
437 * overridden by a partition specifier. Note that if somehow the
438 * current device is invalid, it will have to be changed to a valid
439 * one before these commands can run, even if a partition specifier
440 * for another device is to be used.
441 */
Mugunthan V Nad92dff2017-06-26 19:12:51 -0500442 mtd = get_nand_dev_by_index(dev);
443 if (!mtd) {
Bartlomiej Siekaaddb2e12006-03-05 18:57:33 +0100444 puts("\nno devices available\n");
445 return 1;
446 }
Bartlomiej Siekaaddb2e12006-03-05 18:57:33 +0100447
448 if (strcmp(cmd, "bad") == 0) {
Scott Woodea533c22010-08-02 13:04:24 -0500449 printf("\nDevice %d bad blocks:\n", dev);
Scott Wood151c06e2016-05-30 13:57:54 -0500450 for (off = 0; off < mtd->size; off += mtd->erasesize)
451 if (nand_block_isbad(mtd, off))
Scott Woodea533c22010-08-02 13:04:24 -0500452 printf(" %08llx\n", (unsigned long long)off);
Bartlomiej Siekaaddb2e12006-03-05 18:57:33 +0100453 return 0;
454 }
455
Stefan Roese856f0542006-10-28 15:55:52 +0200456 /*
457 * Syntax is:
458 * 0 1 2 3 4
459 * nand erase [clean] [off size]
460 */
Scott Wood30486322010-08-25 14:43:29 -0500461 if (strncmp(cmd, "erase", 5) == 0 || strncmp(cmd, "scrub", 5) == 0) {
Stefan Roese2255b2d2006-10-10 12:36:02 +0200462 nand_erase_options_t opts;
Stefan Roese856f0542006-10-28 15:55:52 +0200463 /* "clean" at index 2 means request to write cleanmarker */
William Juul3043c042007-11-14 14:28:11 +0100464 int clean = argc > 2 && !strcmp("clean", argv[2]);
Marek Vasut60899812011-09-14 00:20:35 +0200465 int scrub_yes = argc > 2 && !strcmp("-y", argv[2]);
466 int o = (clean || scrub_yes) ? 3 : 2;
Scott Wood30486322010-08-25 14:43:29 -0500467 int scrub = !strncmp(cmd, "scrub", 5);
Scott Wood30486322010-08-25 14:43:29 -0500468 int spread = 0;
469 int args = 2;
Marek Vasut60899812011-09-14 00:20:35 +0200470 const char *scrub_warn =
471 "Warning: "
472 "scrub option will erase all factory set bad blocks!\n"
473 " "
474 "There is no reliable way to recover them.\n"
475 " "
476 "Use this command only for testing purposes if you\n"
477 " "
478 "are sure of what you are doing!\n"
479 "\nReally scrub this NAND flash? <y/N>\n";
Bartlomiej Siekaaddb2e12006-03-05 18:57:33 +0100480
Scott Wood30486322010-08-25 14:43:29 -0500481 if (cmd[5] != 0) {
482 if (!strcmp(&cmd[5], ".spread")) {
483 spread = 1;
484 } else if (!strcmp(&cmd[5], ".part")) {
Scott Wood30486322010-08-25 14:43:29 -0500485 args = 1;
486 } else if (!strcmp(&cmd[5], ".chip")) {
Scott Wood30486322010-08-25 14:43:29 -0500487 args = 0;
488 } else {
489 goto usage;
490 }
491 }
492
493 /*
494 * Don't allow missing arguments to cause full chip/partition
495 * erases -- easy to do accidentally, e.g. with a misspelled
496 * variable name.
497 */
498 if (argc != o + args)
499 goto usage;
500
501 printf("\nNAND %s: ", cmd);
Stefan Roese856f0542006-10-28 15:55:52 +0200502 /* skip first two or three arguments, look for offset and size */
Heiko Schocher09c32802015-04-27 07:42:05 +0200503 if (mtd_arg_off_size(argc - o, argv + o, &dev, &off, &size,
504 &maxsize, MTD_DEV_TYPE_NAND,
Mugunthan V Nad92dff2017-06-26 19:12:51 -0500505 mtd->size) != 0)
Heiko Schocher09c32802015-04-27 07:42:05 +0200506 return 1;
507
508 if (set_dev(dev))
Stefan Roese856f0542006-10-28 15:55:52 +0200509 return 1;
Stefan Roese2255b2d2006-10-10 12:36:02 +0200510
Mugunthan V Nad92dff2017-06-26 19:12:51 -0500511 mtd = get_nand_dev_by_index(dev);
Scott Woodea533c22010-08-02 13:04:24 -0500512
Stefan Roese2255b2d2006-10-10 12:36:02 +0200513 memset(&opts, 0, sizeof(opts));
514 opts.offset = off;
515 opts.length = size;
516 opts.jffs2 = clean;
517 opts.quiet = quiet;
Scott Wood30486322010-08-25 14:43:29 -0500518 opts.spread = spread;
Stefan Roese2255b2d2006-10-10 12:36:02 +0200519
520 if (scrub) {
Pierre Auberta5dffa42014-04-24 10:30:07 +0200521 if (scrub_yes) {
Marek Vasut60899812011-09-14 00:20:35 +0200522 opts.scrub = 1;
Pierre Auberta5dffa42014-04-24 10:30:07 +0200523 } else {
524 puts(scrub_warn);
525 if (confirm_yesno()) {
Florian Fainelli6b94b492010-03-20 19:02:58 +0100526 opts.scrub = 1;
Pierre Auberta5dffa42014-04-24 10:30:07 +0200527 } else {
Florian Fainelli6b94b492010-03-20 19:02:58 +0100528 puts("scrub aborted\n");
Masahiro Yamada46aabcc2013-07-11 17:29:57 +0900529 return 1;
Florian Fainelli6b94b492010-03-20 19:02:58 +0100530 }
Stefan Roese2255b2d2006-10-10 12:36:02 +0200531 }
532 }
Scott Wood151c06e2016-05-30 13:57:54 -0500533 ret = nand_erase_opts(mtd, &opts);
Bartlomiej Siekaaddb2e12006-03-05 18:57:33 +0100534 printf("%s\n", ret ? "ERROR" : "OK");
535
536 return ret == 0 ? 0 : 1;
537 }
538
539 if (strncmp(cmd, "dump", 4) == 0) {
540 if (argc < 3)
541 goto usage;
542
Bartlomiej Siekaaddb2e12006-03-05 18:57:33 +0100543 off = (int)simple_strtoul(argv[2], NULL, 16);
Scott Wood151c06e2016-05-30 13:57:54 -0500544 ret = nand_dump(mtd, off, !strcmp(&cmd[4], ".oob"), repeat);
Bartlomiej Siekaaddb2e12006-03-05 18:57:33 +0100545
546 return ret == 0 ? 1 : 0;
Bartlomiej Siekaaddb2e12006-03-05 18:57:33 +0100547 }
548
Bartlomiej Siekaaddb2e12006-03-05 18:57:33 +0100549 if (strncmp(cmd, "read", 4) == 0 || strncmp(cmd, "write", 5) == 0) {
Scott Woodea533c22010-08-02 13:04:24 -0500550 size_t rwsize;
Scott Wood418396e2012-03-02 14:01:57 -0600551 ulong pagecount = 1;
Stefan Roese2255b2d2006-10-10 12:36:02 +0200552 int read;
Harvey Chapmanced199d2013-02-07 11:34:44 +0000553 int raw = 0;
Boris Brezillon2dc3c4832016-06-15 10:42:18 +0200554 int no_verify = 0;
Stefan Roese2255b2d2006-10-10 12:36:02 +0200555
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");
William Juul4cbb6512007-11-08 10:39:53 +0100563
Stefan Roese2255b2d2006-10-10 12:36:02 +0200564 s = strchr(cmd, '.');
Scott Wood418396e2012-03-02 14:01:57 -0600565
Boris Brezillon2dc3c4832016-06-15 10:42:18 +0200566 if (s && !strncmp(s, ".raw", 4)) {
Scott Wood418396e2012-03-02 14:01:57 -0600567 raw = 1;
568
Boris Brezillon2dc3c4832016-06-15 10:42:18 +0200569 if (!strcmp(s, ".raw.noverify"))
570 no_verify = 1;
571
Heiko Schocher09c32802015-04-27 07:42:05 +0200572 if (mtd_arg_off(argv[3], &dev, &off, &size, &maxsize,
573 MTD_DEV_TYPE_NAND,
Mugunthan V Nad92dff2017-06-26 19:12:51 -0500574 mtd->size))
Heiko Schocher09c32802015-04-27 07:42:05 +0200575 return 1;
576
577 if (set_dev(dev))
Scott Wood418396e2012-03-02 14:01:57 -0600578 return 1;
579
Mugunthan V Nad92dff2017-06-26 19:12:51 -0500580 mtd = get_nand_dev_by_index(dev);
Rostislav Lisovy93d32322014-09-16 14:38:52 +0200581
Scott Wood418396e2012-03-02 14:01:57 -0600582 if (argc > 4 && !str2long(argv[4], &pagecount)) {
583 printf("'%s' is not a number\n", argv[4]);
584 return 1;
585 }
586
Scott Wood151c06e2016-05-30 13:57:54 -0500587 if (pagecount * mtd->writesize > size) {
Scott Wood418396e2012-03-02 14:01:57 -0600588 puts("Size exceeds partition or device limit\n");
589 return -1;
590 }
591
Scott Wood151c06e2016-05-30 13:57:54 -0500592 rwsize = pagecount * (mtd->writesize + mtd->oobsize);
Scott Wood418396e2012-03-02 14:01:57 -0600593 } else {
Heiko Schocher09c32802015-04-27 07:42:05 +0200594 if (mtd_arg_off_size(argc - 3, argv + 3, &dev, &off,
595 &size, &maxsize,
596 MTD_DEV_TYPE_NAND,
Mugunthan V Nad92dff2017-06-26 19:12:51 -0500597 mtd->size) != 0)
Heiko Schocher09c32802015-04-27 07:42:05 +0200598 return 1;
599
600 if (set_dev(dev))
Scott Wood418396e2012-03-02 14:01:57 -0600601 return 1;
602
Harvey Chapmane8344022013-02-26 17:57:14 +0000603 /* size is unspecified */
604 if (argc < 5)
605 adjust_size_for_badblocks(&size, off, dev);
Scott Wood418396e2012-03-02 14:01:57 -0600606 rwsize = size;
607 }
608
Mugunthan V Nad92dff2017-06-26 19:12:51 -0500609 mtd = get_nand_dev_by_index(dev);
Rostislav Lisovy93d32322014-09-16 14:38:52 +0200610
Scott Wood984e03c2008-06-12 13:13:23 -0500611 if (!s || !strcmp(s, ".jffs2") ||
612 !strcmp(s, ".e") || !strcmp(s, ".i")) {
Scott Wooddfbf6172008-06-12 13:20:16 -0500613 if (read)
Scott Wood151c06e2016-05-30 13:57:54 -0500614 ret = nand_read_skip_bad(mtd, off, &rwsize,
Tom Rinic39d6a02013-03-14 05:32:50 +0000615 NULL, maxsize,
Wolfgang Denk4b070802008-08-14 14:41:06 +0200616 (u_char *)addr);
Scott Wooddfbf6172008-06-12 13:20:16 -0500617 else
Scott Wood151c06e2016-05-30 13:57:54 -0500618 ret = nand_write_skip_bad(mtd, off, &rwsize,
Tom Rinic39d6a02013-03-14 05:32:50 +0000619 NULL, maxsize,
Peter Tyser6b94f112015-02-03 11:58:13 -0600620 (u_char *)addr,
621 WITH_WR_VERIFY);
Ben Gardinerc9494862011-06-14 16:35:07 -0400622#ifdef CONFIG_CMD_NAND_TRIMFFS
623 } else if (!strcmp(s, ".trimffs")) {
624 if (read) {
625 printf("Unknown nand command suffix '%s'\n", s);
626 return 1;
627 }
Scott Wood151c06e2016-05-30 13:57:54 -0500628 ret = nand_write_skip_bad(mtd, off, &rwsize, NULL,
Tom Rinic39d6a02013-03-14 05:32:50 +0000629 maxsize, (u_char *)addr,
Peter Tyser6b94f112015-02-03 11:58:13 -0600630 WITH_DROP_FFS | WITH_WR_VERIFY);
Ben Gardinerc9494862011-06-14 16:35:07 -0400631#endif
Mike Frysingerdfc99e12009-04-12 22:29:20 -0400632 } else if (!strcmp(s, ".oob")) {
William Juulcfa460a2007-10-31 13:53:06 +0100633 /* out-of-band data */
634 mtd_oob_ops_t ops = {
635 .oobbuf = (u8 *)addr,
Scott Woodea533c22010-08-02 13:04:24 -0500636 .ooblen = rwsize,
Sergey Lapindfe64e22013-01-14 03:46:50 +0000637 .mode = MTD_OPS_RAW
William Juulcfa460a2007-10-31 13:53:06 +0100638 };
639
Harald Welte62d4f432007-12-19 14:12:53 +0100640 if (read)
Scott Wood151c06e2016-05-30 13:57:54 -0500641 ret = mtd_read_oob(mtd, off, &ops);
Harald Welte62d4f432007-12-19 14:12:53 +0100642 else
Scott Wood151c06e2016-05-30 13:57:54 -0500643 ret = mtd_write_oob(mtd, off, &ops);
Scott Wood418396e2012-03-02 14:01:57 -0600644 } else if (raw) {
Boris Brezillon2dc3c4832016-06-15 10:42:18 +0200645 ret = raw_access(mtd, addr, off, pagecount, read,
646 no_verify);
Stefan Roese856f0542006-10-28 15:55:52 +0200647 } else {
Scott Wood984e03c2008-06-12 13:13:23 -0500648 printf("Unknown nand command suffix '%s'.\n", s);
649 return 1;
Stefan Roese2255b2d2006-10-10 12:36:02 +0200650 }
651
Scott Woodea533c22010-08-02 13:04:24 -0500652 printf(" %zu bytes %s: %s\n", rwsize,
Stefan Roese2255b2d2006-10-10 12:36:02 +0200653 read ? "read" : "written", ret ? "ERROR" : "OK");
Bartlomiej Siekaaddb2e12006-03-05 18:57:33 +0100654
655 return ret == 0 ? 0 : 1;
656 }
Stefan Roese2255b2d2006-10-10 12:36:02 +0200657
Benoît Thébaudeau3287f6d2012-11-16 20:20:54 +0100658#ifdef CONFIG_CMD_NAND_TORTURE
659 if (strcmp(cmd, "torture") == 0) {
Max Krummenacher1866be72016-06-13 10:15:48 +0200660 loff_t endoff;
661 unsigned int failed = 0, passed = 0;
662
Benoît Thébaudeau3287f6d2012-11-16 20:20:54 +0100663 if (argc < 3)
664 goto usage;
665
666 if (!str2off(argv[2], &off)) {
667 puts("Offset is not a valid number\n");
668 return 1;
669 }
670
Max Krummenacher1866be72016-06-13 10:15:48 +0200671 size = mtd->erasesize;
672 if (argc > 3) {
673 if (!str2off(argv[3], &size)) {
674 puts("Size is not a valid number\n");
675 return 1;
676 }
677 }
Benoît Thébaudeau3287f6d2012-11-16 20:20:54 +0100678
Max Krummenacher1866be72016-06-13 10:15:48 +0200679 endoff = off + size;
680 if (endoff > mtd->size) {
681 puts("Arguments beyond end of NAND\n");
682 return 1;
683 }
684
685 off = round_down(off, mtd->erasesize);
686 endoff = round_up(endoff, mtd->erasesize);
687 size = endoff - off;
688 printf("\nNAND torture: device %d offset 0x%llx size 0x%llx (block size 0x%x)\n",
689 dev, off, size, mtd->erasesize);
690 while (off < endoff) {
691 ret = nand_torture(mtd, off);
692 if (ret) {
693 failed++;
694 printf(" block at 0x%llx failed\n", off);
695 } else {
696 passed++;
697 }
698 off += mtd->erasesize;
699 }
700 printf(" Passed: %u, failed: %u\n", passed, failed);
701 return failed != 0;
Benoît Thébaudeau3287f6d2012-11-16 20:20:54 +0100702 }
703#endif
704
Stefan Roese2255b2d2006-10-10 12:36:02 +0200705 if (strcmp(cmd, "markbad") == 0) {
Wolfgang Denk8360b662009-05-24 17:34:33 +0200706 argc -= 2;
707 argv += 2;
Stefan Roese2255b2d2006-10-10 12:36:02 +0200708
Wolfgang Denk8360b662009-05-24 17:34:33 +0200709 if (argc <= 0)
710 goto usage;
711
712 while (argc > 0) {
713 addr = simple_strtoul(*argv, NULL, 16);
714
Scott Wood151c06e2016-05-30 13:57:54 -0500715 if (mtd_block_markbad(mtd, addr)) {
Wolfgang Denk8360b662009-05-24 17:34:33 +0200716 printf("block 0x%08lx NOT marked "
717 "as bad! ERROR %d\n",
718 addr, ret);
719 ret = 1;
720 } else {
721 printf("block 0x%08lx successfully "
722 "marked as bad\n",
723 addr);
724 }
725 --argc;
726 ++argv;
Stefan Roese2255b2d2006-10-10 12:36:02 +0200727 }
Wolfgang Denk8360b662009-05-24 17:34:33 +0200728 return ret;
Stefan Roese2255b2d2006-10-10 12:36:02 +0200729 }
Scott Wooddfbf6172008-06-12 13:20:16 -0500730
Stefan Roese2255b2d2006-10-10 12:36:02 +0200731 if (strcmp(cmd, "biterr") == 0) {
732 /* todo */
733 return 1;
734 }
735
Nishanth Menon50657c22008-12-13 09:43:06 -0600736#ifdef CONFIG_CMD_NAND_LOCK_UNLOCK
Stefan Roese2255b2d2006-10-10 12:36:02 +0200737 if (strcmp(cmd, "lock") == 0) {
Nishanth Menon50657c22008-12-13 09:43:06 -0600738 int tight = 0;
Stefan Roese2255b2d2006-10-10 12:36:02 +0200739 int status = 0;
740 if (argc == 3) {
741 if (!strcmp("tight", argv[2]))
742 tight = 1;
743 if (!strcmp("status", argv[2]))
744 status = 1;
745 }
Stefan Roese2255b2d2006-10-10 12:36:02 +0200746 if (status) {
Scott Wood151c06e2016-05-30 13:57:54 -0500747 do_nand_status(mtd);
William Juulcfa460a2007-10-31 13:53:06 +0100748 } else {
Scott Wood151c06e2016-05-30 13:57:54 -0500749 if (!nand_lock(mtd, tight)) {
William Juul5e1dae52007-11-09 13:32:30 +0100750 puts("NAND flash successfully locked\n");
751 } else {
752 puts("Error locking NAND flash\n");
753 return 1;
754 }
Stefan Roese2255b2d2006-10-10 12:36:02 +0200755 }
756 return 0;
757 }
758
Joe Hershbergereee623a2012-08-22 16:49:42 -0500759 if (strncmp(cmd, "unlock", 5) == 0) {
760 int allexcept = 0;
761
762 s = strchr(cmd, '.');
763
764 if (s && !strcmp(s, ".allexcept"))
765 allexcept = 1;
766
Heiko Schocher09c32802015-04-27 07:42:05 +0200767 if (mtd_arg_off_size(argc - 2, argv + 2, &dev, &off, &size,
768 &maxsize, MTD_DEV_TYPE_NAND,
Mugunthan V Nad92dff2017-06-26 19:12:51 -0500769 mtd->size) < 0)
Heiko Schocher09c32802015-04-27 07:42:05 +0200770 return 1;
771
772 if (set_dev(dev))
Stefan Roese856f0542006-10-28 15:55:52 +0200773 return 1;
Stefan Roese2255b2d2006-10-10 12:36:02 +0200774
Mugunthan V Nad92dff2017-06-26 19:12:51 -0500775 mtd = get_nand_dev_by_index(dev);
776
777 if (!nand_unlock(mtd, off, size, allexcept)) {
William Juul5e1dae52007-11-09 13:32:30 +0100778 puts("NAND flash successfully unlocked\n");
779 } else {
780 puts("Error unlocking NAND flash, "
William Juul3043c042007-11-14 14:28:11 +0100781 "write and erase will probably fail\n");
William Juul5e1dae52007-11-09 13:32:30 +0100782 return 1;
783 }
Stefan Roese2255b2d2006-10-10 12:36:02 +0200784 return 0;
785 }
Nishanth Menon50657c22008-12-13 09:43:06 -0600786#endif
Stefan Roese2255b2d2006-10-10 12:36:02 +0200787
Bartlomiej Siekaaddb2e12006-03-05 18:57:33 +0100788usage:
Simon Glass4c12eeb2011-12-10 08:44:01 +0000789 return CMD_RET_USAGE;
Bartlomiej Siekaaddb2e12006-03-05 18:57:33 +0100790}
791
Kim Phillips088f1b12012-10-29 13:34:31 +0000792#ifdef CONFIG_SYS_LONGHELP
793static char nand_help_text[] =
Wolfgang Denka89c33d2009-05-24 17:06:54 +0200794 "info - show available NAND devices\n"
795 "nand device [dev] - show or set current device\n"
796 "nand read - addr off|partition size\n"
797 "nand write - addr off|partition size\n"
798 " read/write 'size' bytes starting at offset 'off'\n"
799 " to/from memory address 'addr', skipping bad blocks.\n"
Scott Wood418396e2012-03-02 14:01:57 -0600800 "nand read.raw - addr off|partition [count]\n"
Boris Brezillon2dc3c4832016-06-15 10:42:18 +0200801 "nand write.raw[.noverify] - addr off|partition [count]\n"
Scott Wood418396e2012-03-02 14:01:57 -0600802 " Use read.raw/write.raw to avoid ECC and access the flash as-is.\n"
Ben Gardinerc9494862011-06-14 16:35:07 -0400803#ifdef CONFIG_CMD_NAND_TRIMFFS
804 "nand write.trimffs - addr off|partition size\n"
805 " write 'size' bytes starting at offset 'off' from memory address\n"
806 " 'addr', skipping bad blocks and dropping any pages at the end\n"
807 " of eraseblocks that contain only 0xFF\n"
808#endif
Daniel Hobieb3abce2011-05-19 19:28:54 +0200809 "nand erase[.spread] [clean] off size - erase 'size' bytes "
Scott Wood30486322010-08-25 14:43:29 -0500810 "from offset 'off'\n"
811 " With '.spread', erase enough for given file size, otherwise,\n"
812 " 'size' includes skipped bad blocks.\n"
813 "nand erase.part [clean] partition - erase entire mtd partition'\n"
814 "nand erase.chip [clean] - erase entire chip'\n"
Wolfgang Denka89c33d2009-05-24 17:06:54 +0200815 "nand bad - show bad blocks\n"
816 "nand dump[.oob] off - dump page\n"
Benoît Thébaudeau3287f6d2012-11-16 20:20:54 +0100817#ifdef CONFIG_CMD_NAND_TORTURE
Max Krummenacher1866be72016-06-13 10:15:48 +0200818 "nand torture off - torture one block at offset\n"
819 "nand torture off [size] - torture blocks from off to off+size\n"
Benoît Thébaudeau3287f6d2012-11-16 20:20:54 +0100820#endif
Marek Vasut60899812011-09-14 00:20:35 +0200821 "nand scrub [-y] off size | scrub.part partition | scrub.chip\n"
Scott Wood30486322010-08-25 14:43:29 -0500822 " really clean NAND erasing bad blocks (UNSAFE)\n"
Wolfgang Denka89c33d2009-05-24 17:06:54 +0200823 "nand markbad off [...] - mark bad block(s) at offset (UNSAFE)\n"
824 "nand biterr off - make a bit error at offset (UNSAFE)"
Nishanth Menon50657c22008-12-13 09:43:06 -0600825#ifdef CONFIG_CMD_NAND_LOCK_UNLOCK
Wolfgang Denka89c33d2009-05-24 17:06:54 +0200826 "\n"
827 "nand lock [tight] [status]\n"
828 " bring nand to lock state or display locked pages\n"
Joe Hershbergereee623a2012-08-22 16:49:42 -0500829 "nand unlock[.allexcept] [offset] [size] - unlock section"
Nishanth Menon50657c22008-12-13 09:43:06 -0600830#endif
Ben Gardinerc9f73512010-07-05 13:27:07 -0400831#ifdef CONFIG_ENV_OFFSET_OOB
832 "\n"
833 "nand env.oob - environment offset in OOB of block 0 of"
834 " first device.\n"
835 "nand env.oob set off|partition - set enviromnent offset\n"
836 "nand env.oob get - get environment offset"
837#endif
Kim Phillips088f1b12012-10-29 13:34:31 +0000838 "";
839#endif
840
841U_BOOT_CMD(
842 nand, CONFIG_SYS_MAXARGS, 1, do_nand,
843 "NAND sub-system", nand_help_text
Nishanth Menon50657c22008-12-13 09:43:06 -0600844);
Bartlomiej Siekaaddb2e12006-03-05 18:57:33 +0100845
Scott Wood151c06e2016-05-30 13:57:54 -0500846static int nand_load_image(cmd_tbl_t *cmdtp, struct mtd_info *mtd,
Wolfgang Denk4b070802008-08-14 14:41:06 +0200847 ulong offset, ulong addr, char *cmd)
Stefan Roese856f0542006-10-28 15:55:52 +0200848{
849 int r;
Mike Frysinger67d668b2011-06-05 13:43:02 +0000850 char *s;
Wolfgang Denk4ca79f42008-04-28 12:08:18 +0200851 size_t cnt;
Tom Rinic76c93a2019-05-23 07:14:07 -0400852#if defined(CONFIG_LEGACY_IMAGE_FORMAT)
Stefan Roese856f0542006-10-28 15:55:52 +0200853 image_header_t *hdr;
Heiko Schocher21d29f72014-05-28 11:33:33 +0200854#endif
Marian Balakowicz09475f72008-03-12 10:33:01 +0100855#if defined(CONFIG_FIT)
Marian Balakowicz3bab76a2008-06-06 23:07:40 +0200856 const void *fit_hdr = NULL;
Marian Balakowicz09475f72008-03-12 10:33:01 +0100857#endif
Thomas Knobloch10e03892007-07-06 14:58:39 +0200858
859 s = strchr(cmd, '.');
860 if (s != NULL &&
Scott Wood65d8bc92009-03-17 12:06:04 -0500861 (strcmp(s, ".jffs2") && strcmp(s, ".e") && strcmp(s, ".i"))) {
Scott Wood984e03c2008-06-12 13:13:23 -0500862 printf("Unknown nand load suffix '%s'\n", s);
Simon Glass770605e2012-02-13 13:51:18 +0000863 bootstage_error(BOOTSTAGE_ID_NAND_SUFFIX);
Scott Wood984e03c2008-06-12 13:13:23 -0500864 return 1;
865 }
Stefan Roese856f0542006-10-28 15:55:52 +0200866
Scott Wood151c06e2016-05-30 13:57:54 -0500867 printf("\nLoading from %s, offset 0x%lx\n", mtd->name, offset);
Stefan Roese856f0542006-10-28 15:55:52 +0200868
Scott Wood151c06e2016-05-30 13:57:54 -0500869 cnt = mtd->writesize;
870 r = nand_read_skip_bad(mtd, offset, &cnt, NULL, mtd->size,
871 (u_char *)addr);
Stefan Roese856f0542006-10-28 15:55:52 +0200872 if (r) {
873 puts("** Read error\n");
Simon Glass770605e2012-02-13 13:51:18 +0000874 bootstage_error(BOOTSTAGE_ID_NAND_HDR_READ);
Stefan Roese856f0542006-10-28 15:55:52 +0200875 return 1;
876 }
Simon Glass770605e2012-02-13 13:51:18 +0000877 bootstage_mark(BOOTSTAGE_ID_NAND_HDR_READ);
Stefan Roese856f0542006-10-28 15:55:52 +0200878
Marian Balakowicz9a4daad2008-02-29 14:58:34 +0100879 switch (genimg_get_format ((void *)addr)) {
Tom Rinic76c93a2019-05-23 07:14:07 -0400880#if defined(CONFIG_LEGACY_IMAGE_FORMAT)
Marian Balakowiczd5934ad2008-02-04 08:28:09 +0100881 case IMAGE_FORMAT_LEGACY:
882 hdr = (image_header_t *)addr;
Stefan Roese856f0542006-10-28 15:55:52 +0200883
Simon Glass770605e2012-02-13 13:51:18 +0000884 bootstage_mark(BOOTSTAGE_ID_NAND_TYPE);
Marian Balakowiczd5934ad2008-02-04 08:28:09 +0100885 image_print_contents (hdr);
886
887 cnt = image_get_image_size (hdr);
888 break;
Heiko Schocher21d29f72014-05-28 11:33:33 +0200889#endif
Marian Balakowiczd5934ad2008-02-04 08:28:09 +0100890#if defined(CONFIG_FIT)
891 case IMAGE_FORMAT_FIT:
Marian Balakowicz09475f72008-03-12 10:33:01 +0100892 fit_hdr = (const void *)addr;
Marian Balakowicz09475f72008-03-12 10:33:01 +0100893 puts ("Fit image detected...\n");
894
895 cnt = fit_get_size (fit_hdr);
896 break;
Marian Balakowiczd5934ad2008-02-04 08:28:09 +0100897#endif
898 default:
Simon Glass770605e2012-02-13 13:51:18 +0000899 bootstage_error(BOOTSTAGE_ID_NAND_TYPE);
Marian Balakowiczd5934ad2008-02-04 08:28:09 +0100900 puts ("** Unknown image type\n");
Stefan Roese856f0542006-10-28 15:55:52 +0200901 return 1;
902 }
Simon Glass770605e2012-02-13 13:51:18 +0000903 bootstage_mark(BOOTSTAGE_ID_NAND_TYPE);
Stefan Roese856f0542006-10-28 15:55:52 +0200904
Scott Wood151c06e2016-05-30 13:57:54 -0500905 r = nand_read_skip_bad(mtd, offset, &cnt, NULL, mtd->size,
906 (u_char *)addr);
Stefan Roese856f0542006-10-28 15:55:52 +0200907 if (r) {
908 puts("** Read error\n");
Simon Glass770605e2012-02-13 13:51:18 +0000909 bootstage_error(BOOTSTAGE_ID_NAND_READ);
Stefan Roese856f0542006-10-28 15:55:52 +0200910 return 1;
911 }
Simon Glass770605e2012-02-13 13:51:18 +0000912 bootstage_mark(BOOTSTAGE_ID_NAND_READ);
Stefan Roese856f0542006-10-28 15:55:52 +0200913
Marian Balakowicz09475f72008-03-12 10:33:01 +0100914#if defined(CONFIG_FIT)
915 /* This cannot be done earlier, we need complete FIT image in RAM first */
Marian Balakowicz3bab76a2008-06-06 23:07:40 +0200916 if (genimg_get_format ((void *)addr) == IMAGE_FORMAT_FIT) {
917 if (!fit_check_format (fit_hdr)) {
Simon Glass770605e2012-02-13 13:51:18 +0000918 bootstage_error(BOOTSTAGE_ID_NAND_FIT_READ);
Marian Balakowicz3bab76a2008-06-06 23:07:40 +0200919 puts ("** Bad FIT image format\n");
920 return 1;
921 }
Simon Glass770605e2012-02-13 13:51:18 +0000922 bootstage_mark(BOOTSTAGE_ID_NAND_FIT_READ_OK);
Marian Balakowicz3bab76a2008-06-06 23:07:40 +0200923 fit_print_contents (fit_hdr);
924 }
Marian Balakowicz09475f72008-03-12 10:33:01 +0100925#endif
926
Stefan Roese856f0542006-10-28 15:55:52 +0200927 /* Loading ok, update default load address */
928
Simon Glassbb872dd2019-12-28 10:45:02 -0700929 image_load_addr = addr;
Stefan Roese856f0542006-10-28 15:55:52 +0200930
Mike Frysinger67d668b2011-06-05 13:43:02 +0000931 return bootm_maybe_autostart(cmdtp, cmd);
Stefan Roese856f0542006-10-28 15:55:52 +0200932}
933
Kim Phillips088f1b12012-10-29 13:34:31 +0000934static int do_nandboot(cmd_tbl_t *cmdtp, int flag, int argc,
935 char * const argv[])
Bartlomiej Siekaaddb2e12006-03-05 18:57:33 +0100936{
937 char *boot_device = NULL;
Stefan Roese856f0542006-10-28 15:55:52 +0200938 int idx;
939 ulong addr, offset = 0;
Mugunthan V Nad92dff2017-06-26 19:12:51 -0500940 struct mtd_info *mtd;
Ladislav Michl0c8a8492009-04-21 02:26:31 +0200941#if defined(CONFIG_CMD_MTDPARTS)
Stefan Roese856f0542006-10-28 15:55:52 +0200942 struct mtd_device *dev;
943 struct part_info *part;
944 u8 pnum;
945
946 if (argc >= 2) {
947 char *p = (argc == 2) ? argv[1] : argv[2];
948 if (!(str2long(p, &addr)) && (mtdparts_init() == 0) &&
949 (find_dev_and_part(p, &dev, &pnum, &part) == 0)) {
950 if (dev->id->type != MTD_DEV_TYPE_NAND) {
951 puts("Not a NAND device\n");
952 return 1;
953 }
954 if (argc > 3)
955 goto usage;
956 if (argc == 3)
Thomas Knobloch10e03892007-07-06 14:58:39 +0200957 addr = simple_strtoul(argv[1], NULL, 16);
Stefan Roese856f0542006-10-28 15:55:52 +0200958 else
Jean-Christophe PLAGNIOL-VILLARD6d0f6bc2008-10-16 15:01:15 +0200959 addr = CONFIG_SYS_LOAD_ADDR;
Mugunthan V Nad92dff2017-06-26 19:12:51 -0500960
961 mtd = get_nand_dev_by_index(dev->id->num);
962 return nand_load_image(cmdtp, mtd, part->offset,
963 addr, argv[0]);
Stefan Roese856f0542006-10-28 15:55:52 +0200964 }
965 }
966#endif
Bartlomiej Siekaaddb2e12006-03-05 18:57:33 +0100967
Simon Glass770605e2012-02-13 13:51:18 +0000968 bootstage_mark(BOOTSTAGE_ID_NAND_PART);
Bartlomiej Siekaaddb2e12006-03-05 18:57:33 +0100969 switch (argc) {
970 case 1:
Jean-Christophe PLAGNIOL-VILLARD6d0f6bc2008-10-16 15:01:15 +0200971 addr = CONFIG_SYS_LOAD_ADDR;
Simon Glass00caae62017-08-03 12:22:12 -0600972 boot_device = env_get("bootdevice");
Bartlomiej Siekaaddb2e12006-03-05 18:57:33 +0100973 break;
974 case 2:
975 addr = simple_strtoul(argv[1], NULL, 16);
Simon Glass00caae62017-08-03 12:22:12 -0600976 boot_device = env_get("bootdevice");
Bartlomiej Siekaaddb2e12006-03-05 18:57:33 +0100977 break;
978 case 3:
979 addr = simple_strtoul(argv[1], NULL, 16);
980 boot_device = argv[2];
981 break;
982 case 4:
983 addr = simple_strtoul(argv[1], NULL, 16);
984 boot_device = argv[2];
985 offset = simple_strtoul(argv[3], NULL, 16);
986 break;
987 default:
Ladislav Michl0c8a8492009-04-21 02:26:31 +0200988#if defined(CONFIG_CMD_MTDPARTS)
Stefan Roese856f0542006-10-28 15:55:52 +0200989usage:
990#endif
Simon Glass770605e2012-02-13 13:51:18 +0000991 bootstage_error(BOOTSTAGE_ID_NAND_SUFFIX);
Simon Glass4c12eeb2011-12-10 08:44:01 +0000992 return CMD_RET_USAGE;
Bartlomiej Siekaaddb2e12006-03-05 18:57:33 +0100993 }
Simon Glass770605e2012-02-13 13:51:18 +0000994 bootstage_mark(BOOTSTAGE_ID_NAND_SUFFIX);
Bartlomiej Siekaaddb2e12006-03-05 18:57:33 +0100995
996 if (!boot_device) {
997 puts("\n** No boot device **\n");
Simon Glass770605e2012-02-13 13:51:18 +0000998 bootstage_error(BOOTSTAGE_ID_NAND_BOOT_DEVICE);
Bartlomiej Siekaaddb2e12006-03-05 18:57:33 +0100999 return 1;
1000 }
Simon Glass770605e2012-02-13 13:51:18 +00001001 bootstage_mark(BOOTSTAGE_ID_NAND_BOOT_DEVICE);
Bartlomiej Siekaaddb2e12006-03-05 18:57:33 +01001002
Stefan Roese856f0542006-10-28 15:55:52 +02001003 idx = simple_strtoul(boot_device, NULL, 16);
Bartlomiej Siekaaddb2e12006-03-05 18:57:33 +01001004
Mugunthan V Nad92dff2017-06-26 19:12:51 -05001005 mtd = get_nand_dev_by_index(idx);
1006 if (!mtd) {
Stefan Roese856f0542006-10-28 15:55:52 +02001007 printf("\n** Device %d not available\n", idx);
Simon Glass770605e2012-02-13 13:51:18 +00001008 bootstage_error(BOOTSTAGE_ID_NAND_AVAILABLE);
Bartlomiej Siekaaddb2e12006-03-05 18:57:33 +01001009 return 1;
1010 }
Simon Glass770605e2012-02-13 13:51:18 +00001011 bootstage_mark(BOOTSTAGE_ID_NAND_AVAILABLE);
Bartlomiej Siekaaddb2e12006-03-05 18:57:33 +01001012
Mugunthan V Nad92dff2017-06-26 19:12:51 -05001013 return nand_load_image(cmdtp, mtd, offset, addr, argv[0]);
Bartlomiej Siekaaddb2e12006-03-05 18:57:33 +01001014}
1015
1016U_BOOT_CMD(nboot, 4, 1, do_nandboot,
Peter Tyser2fb26042009-01-27 18:03:12 -06001017 "boot from NAND device",
Wolfgang Denka89c33d2009-05-24 17:06:54 +02001018 "[partition] | [[[loadAddr] dev] offset]"
1019);