upstream u-boot with additional patches for our devices/boards:
https://lists.denx.de/pipermail/u-boot/2017-March/282789.html (AXP crashes) ;
Gbit ethernet patch for some LIME2 revisions ;
with SPI flash support
You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
983 lines
23 KiB
983 lines
23 KiB
/*
|
|
* Driver for NAND support, Rick Bronson
|
|
* borrowed heavily from:
|
|
* (c) 1999 Machine Vision Holdings, Inc.
|
|
* (c) 1999, 2000 David Woodhouse <dwmw2@infradead.org>
|
|
*
|
|
* Ported 'dynenv' to 'nand env.oob' command
|
|
* (C) 2010 Nanometrics, Inc.
|
|
* 'dynenv' -- Dynamic environment offset in NAND OOB
|
|
* (C) Copyright 2006-2007 OpenMoko, Inc.
|
|
* Added 16-bit nand support
|
|
* (C) 2004 Texas Instruments
|
|
*
|
|
* Copyright 2010, 2012 Freescale Semiconductor
|
|
* The portions of this file whose copyright is held by Freescale and which
|
|
* are not considered a derived work of GPL v2-only code may be distributed
|
|
* and/or modified under the terms of the GNU General Public License as
|
|
* published by the Free Software Foundation; either version 2 of the
|
|
* License, or (at your option) any later version.
|
|
*/
|
|
|
|
#include <common.h>
|
|
#include <linux/mtd/mtd.h>
|
|
#include <command.h>
|
|
#include <watchdog.h>
|
|
#include <malloc.h>
|
|
#include <asm/byteorder.h>
|
|
#include <jffs2/jffs2.h>
|
|
#include <nand.h>
|
|
|
|
#if defined(CONFIG_CMD_MTDPARTS)
|
|
|
|
/* partition handling routines */
|
|
int mtdparts_init(void);
|
|
int id_parse(const char *id, const char **ret_id, u8 *dev_type, u8 *dev_num);
|
|
int find_dev_and_part(const char *id, struct mtd_device **dev,
|
|
u8 *part_num, struct part_info **part);
|
|
#endif
|
|
|
|
static int nand_dump(nand_info_t *nand, ulong off, int only_oob, int repeat)
|
|
{
|
|
int i;
|
|
u_char *datbuf, *oobbuf, *p;
|
|
static loff_t last;
|
|
|
|
if (repeat)
|
|
off = last + nand->writesize;
|
|
|
|
last = off;
|
|
|
|
datbuf = malloc(nand->writesize);
|
|
oobbuf = malloc(nand->oobsize);
|
|
if (!datbuf || !oobbuf) {
|
|
puts("No memory for page buffer\n");
|
|
return 1;
|
|
}
|
|
off &= ~(nand->writesize - 1);
|
|
loff_t addr = (loff_t) off;
|
|
struct mtd_oob_ops ops;
|
|
memset(&ops, 0, sizeof(ops));
|
|
ops.datbuf = datbuf;
|
|
ops.oobbuf = oobbuf;
|
|
ops.len = nand->writesize;
|
|
ops.ooblen = nand->oobsize;
|
|
ops.mode = MTD_OOB_RAW;
|
|
i = nand->read_oob(nand, addr, &ops);
|
|
if (i < 0) {
|
|
printf("Error (%d) reading page %08lx\n", i, off);
|
|
free(datbuf);
|
|
free(oobbuf);
|
|
return 1;
|
|
}
|
|
printf("Page %08lx dump:\n", off);
|
|
i = nand->writesize >> 4;
|
|
p = datbuf;
|
|
|
|
while (i--) {
|
|
if (!only_oob)
|
|
printf("\t%02x %02x %02x %02x %02x %02x %02x %02x"
|
|
" %02x %02x %02x %02x %02x %02x %02x %02x\n",
|
|
p[0], p[1], p[2], p[3], p[4], p[5], p[6], p[7],
|
|
p[8], p[9], p[10], p[11], p[12], p[13], p[14],
|
|
p[15]);
|
|
p += 16;
|
|
}
|
|
puts("OOB:\n");
|
|
i = nand->oobsize >> 3;
|
|
p = oobbuf;
|
|
while (i--) {
|
|
printf("\t%02x %02x %02x %02x %02x %02x %02x %02x\n",
|
|
p[0], p[1], p[2], p[3], p[4], p[5], p[6], p[7]);
|
|
p += 8;
|
|
}
|
|
free(datbuf);
|
|
free(oobbuf);
|
|
|
|
return 0;
|
|
}
|
|
|
|
/* ------------------------------------------------------------------------- */
|
|
|
|
static int set_dev(int dev)
|
|
{
|
|
if (dev < 0 || dev >= CONFIG_SYS_MAX_NAND_DEVICE ||
|
|
!nand_info[dev].name) {
|
|
puts("No such device\n");
|
|
return -1;
|
|
}
|
|
|
|
if (nand_curr_device == dev)
|
|
return 0;
|
|
|
|
printf("Device %d: %s", dev, nand_info[dev].name);
|
|
puts("... is now current device\n");
|
|
nand_curr_device = dev;
|
|
|
|
#ifdef CONFIG_SYS_NAND_SELECT_DEVICE
|
|
board_nand_select_device(nand_info[dev].priv, dev);
|
|
#endif
|
|
|
|
return 0;
|
|
}
|
|
|
|
static inline int str2off(const char *p, loff_t *num)
|
|
{
|
|
char *endptr;
|
|
|
|
*num = simple_strtoull(p, &endptr, 16);
|
|
return *p != '\0' && *endptr == '\0';
|
|
}
|
|
|
|
static inline int str2long(const char *p, ulong *num)
|
|
{
|
|
char *endptr;
|
|
|
|
*num = simple_strtoul(p, &endptr, 16);
|
|
return *p != '\0' && *endptr == '\0';
|
|
}
|
|
|
|
static int get_part(const char *partname, int *idx, loff_t *off, loff_t *size)
|
|
{
|
|
#ifdef CONFIG_CMD_MTDPARTS
|
|
struct mtd_device *dev;
|
|
struct part_info *part;
|
|
u8 pnum;
|
|
int ret;
|
|
|
|
ret = mtdparts_init();
|
|
if (ret)
|
|
return ret;
|
|
|
|
ret = find_dev_and_part(partname, &dev, &pnum, &part);
|
|
if (ret)
|
|
return ret;
|
|
|
|
if (dev->id->type != MTD_DEV_TYPE_NAND) {
|
|
puts("not a NAND device\n");
|
|
return -1;
|
|
}
|
|
|
|
*off = part->offset;
|
|
*size = part->size;
|
|
*idx = dev->id->num;
|
|
|
|
ret = set_dev(*idx);
|
|
if (ret)
|
|
return ret;
|
|
|
|
return 0;
|
|
#else
|
|
puts("offset is not a number\n");
|
|
return -1;
|
|
#endif
|
|
}
|
|
|
|
static int arg_off(const char *arg, int *idx, loff_t *off, loff_t *maxsize)
|
|
{
|
|
if (!str2off(arg, off))
|
|
return get_part(arg, idx, off, maxsize);
|
|
|
|
if (*off >= nand_info[*idx].size) {
|
|
puts("Offset exceeds device limit\n");
|
|
return -1;
|
|
}
|
|
|
|
*maxsize = nand_info[*idx].size - *off;
|
|
return 0;
|
|
}
|
|
|
|
static int arg_off_size(int argc, char *const argv[], int *idx,
|
|
loff_t *off, loff_t *size)
|
|
{
|
|
int ret;
|
|
loff_t maxsize = 0;
|
|
|
|
if (argc == 0) {
|
|
*off = 0;
|
|
*size = nand_info[*idx].size;
|
|
goto print;
|
|
}
|
|
|
|
ret = arg_off(argv[0], idx, off, &maxsize);
|
|
if (ret)
|
|
return ret;
|
|
|
|
if (argc == 1) {
|
|
*size = maxsize;
|
|
goto print;
|
|
}
|
|
|
|
if (!str2off(argv[1], size)) {
|
|
printf("'%s' is not a number\n", argv[1]);
|
|
return -1;
|
|
}
|
|
|
|
if (*size > maxsize) {
|
|
puts("Size exceeds partition or device limit\n");
|
|
return -1;
|
|
}
|
|
|
|
print:
|
|
printf("device %d ", *idx);
|
|
if (*size == nand_info[*idx].size)
|
|
puts("whole chip\n");
|
|
else
|
|
printf("offset 0x%llx, size 0x%llx\n",
|
|
(unsigned long long)*off, (unsigned long long)*size);
|
|
return 0;
|
|
}
|
|
|
|
#ifdef CONFIG_CMD_NAND_LOCK_UNLOCK
|
|
static void print_status(ulong start, ulong end, ulong erasesize, int status)
|
|
{
|
|
printf("%08lx - %08lx: %08lx blocks %s%s%s\n",
|
|
start,
|
|
end - 1,
|
|
(end - start) / erasesize,
|
|
((status & NAND_LOCK_STATUS_TIGHT) ? "TIGHT " : ""),
|
|
((status & NAND_LOCK_STATUS_LOCK) ? "LOCK " : ""),
|
|
((status & NAND_LOCK_STATUS_UNLOCK) ? "UNLOCK " : ""));
|
|
}
|
|
|
|
static void do_nand_status(nand_info_t *nand)
|
|
{
|
|
ulong block_start = 0;
|
|
ulong off;
|
|
int last_status = -1;
|
|
|
|
struct nand_chip *nand_chip = nand->priv;
|
|
/* check the WP bit */
|
|
nand_chip->cmdfunc(nand, NAND_CMD_STATUS, -1, -1);
|
|
printf("device is %swrite protected\n",
|
|
(nand_chip->read_byte(nand) & 0x80 ?
|
|
"NOT " : ""));
|
|
|
|
for (off = 0; off < nand->size; off += nand->erasesize) {
|
|
int s = nand_get_lock_status(nand, off);
|
|
|
|
/* print message only if status has changed */
|
|
if (s != last_status && off != 0) {
|
|
print_status(block_start, off, nand->erasesize,
|
|
last_status);
|
|
block_start = off;
|
|
}
|
|
last_status = s;
|
|
}
|
|
/* Print the last block info */
|
|
print_status(block_start, off, nand->erasesize, last_status);
|
|
}
|
|
#endif
|
|
|
|
#ifdef CONFIG_ENV_OFFSET_OOB
|
|
unsigned long nand_env_oob_offset;
|
|
|
|
int do_nand_env_oob(cmd_tbl_t *cmdtp, int argc, char *const argv[])
|
|
{
|
|
int ret;
|
|
uint32_t oob_buf[ENV_OFFSET_SIZE/sizeof(uint32_t)];
|
|
nand_info_t *nand = &nand_info[0];
|
|
char *cmd = argv[1];
|
|
|
|
if (CONFIG_SYS_MAX_NAND_DEVICE == 0 || !nand->name) {
|
|
puts("no devices available\n");
|
|
return 1;
|
|
}
|
|
|
|
set_dev(0);
|
|
|
|
if (!strcmp(cmd, "get")) {
|
|
ret = get_nand_env_oob(nand, &nand_env_oob_offset);
|
|
if (ret)
|
|
return 1;
|
|
|
|
printf("0x%08lx\n", nand_env_oob_offset);
|
|
} else if (!strcmp(cmd, "set")) {
|
|
loff_t addr;
|
|
loff_t maxsize;
|
|
struct mtd_oob_ops ops;
|
|
int idx = 0;
|
|
|
|
if (argc < 3)
|
|
goto usage;
|
|
|
|
if (arg_off(argv[2], &idx, &addr, &maxsize)) {
|
|
puts("Offset or partition name expected\n");
|
|
return 1;
|
|
}
|
|
|
|
if (idx != 0) {
|
|
puts("Partition not on first NAND device\n");
|
|
return 1;
|
|
}
|
|
|
|
if (nand->oobavail < ENV_OFFSET_SIZE) {
|
|
printf("Insufficient available OOB bytes:\n"
|
|
"%d OOB bytes available but %d required for "
|
|
"env.oob support\n",
|
|
nand->oobavail, ENV_OFFSET_SIZE);
|
|
return 1;
|
|
}
|
|
|
|
if ((addr & (nand->erasesize - 1)) != 0) {
|
|
printf("Environment offset must be block-aligned\n");
|
|
return 1;
|
|
}
|
|
|
|
ops.datbuf = NULL;
|
|
ops.mode = MTD_OOB_AUTO;
|
|
ops.ooboffs = 0;
|
|
ops.ooblen = ENV_OFFSET_SIZE;
|
|
ops.oobbuf = (void *) oob_buf;
|
|
|
|
oob_buf[0] = ENV_OOB_MARKER;
|
|
oob_buf[1] = addr / nand->erasesize;
|
|
|
|
ret = nand->write_oob(nand, ENV_OFFSET_SIZE, &ops);
|
|
if (ret) {
|
|
printf("Error writing OOB block 0\n");
|
|
return ret;
|
|
}
|
|
|
|
ret = get_nand_env_oob(nand, &nand_env_oob_offset);
|
|
if (ret) {
|
|
printf("Error reading env offset in OOB\n");
|
|
return ret;
|
|
}
|
|
|
|
if (addr != nand_env_oob_offset) {
|
|
printf("Verification of env offset in OOB failed: "
|
|
"0x%08llx expected but got 0x%08lx\n",
|
|
(unsigned long long)addr, nand_env_oob_offset);
|
|
return 1;
|
|
}
|
|
} else {
|
|
goto usage;
|
|
}
|
|
|
|
return ret;
|
|
|
|
usage:
|
|
return CMD_RET_USAGE;
|
|
}
|
|
|
|
#endif
|
|
|
|
static void nand_print_and_set_info(int idx)
|
|
{
|
|
nand_info_t *nand = &nand_info[idx];
|
|
struct nand_chip *chip = nand->priv;
|
|
const int bufsz = 32;
|
|
char buf[bufsz];
|
|
|
|
printf("Device %d: ", idx);
|
|
if (chip->numchips > 1)
|
|
printf("%dx ", chip->numchips);
|
|
printf("%s, sector size %u KiB\n",
|
|
nand->name, nand->erasesize >> 10);
|
|
printf(" Page size %8d b\n", nand->writesize);
|
|
printf(" OOB size %8d b\n", nand->oobsize);
|
|
printf(" Erase size %8d b\n", nand->erasesize);
|
|
|
|
/* Set geometry info */
|
|
sprintf(buf, "%x", nand->writesize);
|
|
setenv("nand_writesize", buf);
|
|
|
|
sprintf(buf, "%x", nand->oobsize);
|
|
setenv("nand_oobsize", buf);
|
|
|
|
sprintf(buf, "%x", nand->erasesize);
|
|
setenv("nand_erasesize", buf);
|
|
}
|
|
|
|
static int raw_access(nand_info_t *nand, ulong addr, loff_t off, ulong count,
|
|
int read)
|
|
{
|
|
int ret = 0;
|
|
|
|
while (count--) {
|
|
/* Raw access */
|
|
mtd_oob_ops_t ops = {
|
|
.datbuf = (u8 *)addr,
|
|
.oobbuf = ((u8 *)addr) + nand->writesize,
|
|
.len = nand->writesize,
|
|
.ooblen = nand->oobsize,
|
|
.mode = MTD_OOB_RAW
|
|
};
|
|
|
|
if (read)
|
|
ret = nand->read_oob(nand, off, &ops);
|
|
else
|
|
ret = nand->write_oob(nand, off, &ops);
|
|
|
|
if (ret) {
|
|
printf("%s: error at offset %llx, ret %d\n",
|
|
__func__, (long long)off, ret);
|
|
break;
|
|
}
|
|
|
|
addr += nand->writesize + nand->oobsize;
|
|
off += nand->writesize;
|
|
}
|
|
|
|
return ret;
|
|
}
|
|
|
|
int do_nand(cmd_tbl_t * cmdtp, int flag, int argc, char * const argv[])
|
|
{
|
|
int i, ret = 0;
|
|
ulong addr;
|
|
loff_t off, size;
|
|
char *cmd, *s;
|
|
nand_info_t *nand;
|
|
#ifdef CONFIG_SYS_NAND_QUIET
|
|
int quiet = CONFIG_SYS_NAND_QUIET;
|
|
#else
|
|
int quiet = 0;
|
|
#endif
|
|
const char *quiet_str = getenv("quiet");
|
|
int dev = nand_curr_device;
|
|
int repeat = flag & CMD_FLAG_REPEAT;
|
|
|
|
/* at least two arguments please */
|
|
if (argc < 2)
|
|
goto usage;
|
|
|
|
if (quiet_str)
|
|
quiet = simple_strtoul(quiet_str, NULL, 0) != 0;
|
|
|
|
cmd = argv[1];
|
|
|
|
/* Only "dump" is repeatable. */
|
|
if (repeat && strcmp(cmd, "dump"))
|
|
return 0;
|
|
|
|
if (strcmp(cmd, "info") == 0) {
|
|
|
|
putc('\n');
|
|
for (i = 0; i < CONFIG_SYS_MAX_NAND_DEVICE; i++) {
|
|
if (nand_info[i].name)
|
|
nand_print_and_set_info(i);
|
|
}
|
|
return 0;
|
|
}
|
|
|
|
if (strcmp(cmd, "device") == 0) {
|
|
if (argc < 3) {
|
|
putc('\n');
|
|
if (dev < 0 || dev >= CONFIG_SYS_MAX_NAND_DEVICE)
|
|
puts("no devices available\n");
|
|
else
|
|
nand_print_and_set_info(dev);
|
|
return 0;
|
|
}
|
|
|
|
dev = (int)simple_strtoul(argv[2], NULL, 10);
|
|
set_dev(dev);
|
|
|
|
return 0;
|
|
}
|
|
|
|
#ifdef CONFIG_ENV_OFFSET_OOB
|
|
/* this command operates only on the first nand device */
|
|
if (strcmp(cmd, "env.oob") == 0)
|
|
return do_nand_env_oob(cmdtp, argc - 1, argv + 1);
|
|
#endif
|
|
|
|
/* The following commands operate on the current device, unless
|
|
* overridden by a partition specifier. Note that if somehow the
|
|
* current device is invalid, it will have to be changed to a valid
|
|
* one before these commands can run, even if a partition specifier
|
|
* for another device is to be used.
|
|
*/
|
|
if (dev < 0 || dev >= CONFIG_SYS_MAX_NAND_DEVICE ||
|
|
!nand_info[dev].name) {
|
|
puts("\nno devices available\n");
|
|
return 1;
|
|
}
|
|
nand = &nand_info[dev];
|
|
|
|
if (strcmp(cmd, "bad") == 0) {
|
|
printf("\nDevice %d bad blocks:\n", dev);
|
|
for (off = 0; off < nand->size; off += nand->erasesize)
|
|
if (nand_block_isbad(nand, off))
|
|
printf(" %08llx\n", (unsigned long long)off);
|
|
return 0;
|
|
}
|
|
|
|
/*
|
|
* Syntax is:
|
|
* 0 1 2 3 4
|
|
* nand erase [clean] [off size]
|
|
*/
|
|
if (strncmp(cmd, "erase", 5) == 0 || strncmp(cmd, "scrub", 5) == 0) {
|
|
nand_erase_options_t opts;
|
|
/* "clean" at index 2 means request to write cleanmarker */
|
|
int clean = argc > 2 && !strcmp("clean", argv[2]);
|
|
int scrub_yes = argc > 2 && !strcmp("-y", argv[2]);
|
|
int o = (clean || scrub_yes) ? 3 : 2;
|
|
int scrub = !strncmp(cmd, "scrub", 5);
|
|
int spread = 0;
|
|
int args = 2;
|
|
const char *scrub_warn =
|
|
"Warning: "
|
|
"scrub option will erase all factory set bad blocks!\n"
|
|
" "
|
|
"There is no reliable way to recover them.\n"
|
|
" "
|
|
"Use this command only for testing purposes if you\n"
|
|
" "
|
|
"are sure of what you are doing!\n"
|
|
"\nReally scrub this NAND flash? <y/N>\n";
|
|
|
|
if (cmd[5] != 0) {
|
|
if (!strcmp(&cmd[5], ".spread")) {
|
|
spread = 1;
|
|
} else if (!strcmp(&cmd[5], ".part")) {
|
|
args = 1;
|
|
} else if (!strcmp(&cmd[5], ".chip")) {
|
|
args = 0;
|
|
} else {
|
|
goto usage;
|
|
}
|
|
}
|
|
|
|
/*
|
|
* Don't allow missing arguments to cause full chip/partition
|
|
* erases -- easy to do accidentally, e.g. with a misspelled
|
|
* variable name.
|
|
*/
|
|
if (argc != o + args)
|
|
goto usage;
|
|
|
|
printf("\nNAND %s: ", cmd);
|
|
/* skip first two or three arguments, look for offset and size */
|
|
if (arg_off_size(argc - o, argv + o, &dev, &off, &size) != 0)
|
|
return 1;
|
|
|
|
nand = &nand_info[dev];
|
|
|
|
memset(&opts, 0, sizeof(opts));
|
|
opts.offset = off;
|
|
opts.length = size;
|
|
opts.jffs2 = clean;
|
|
opts.quiet = quiet;
|
|
opts.spread = spread;
|
|
|
|
if (scrub) {
|
|
if (!scrub_yes)
|
|
puts(scrub_warn);
|
|
|
|
if (scrub_yes)
|
|
opts.scrub = 1;
|
|
else if (getc() == 'y') {
|
|
puts("y");
|
|
if (getc() == '\r')
|
|
opts.scrub = 1;
|
|
else {
|
|
puts("scrub aborted\n");
|
|
return -1;
|
|
}
|
|
} else {
|
|
puts("scrub aborted\n");
|
|
return -1;
|
|
}
|
|
}
|
|
ret = nand_erase_opts(nand, &opts);
|
|
printf("%s\n", ret ? "ERROR" : "OK");
|
|
|
|
return ret == 0 ? 0 : 1;
|
|
}
|
|
|
|
if (strncmp(cmd, "dump", 4) == 0) {
|
|
if (argc < 3)
|
|
goto usage;
|
|
|
|
off = (int)simple_strtoul(argv[2], NULL, 16);
|
|
ret = nand_dump(nand, off, !strcmp(&cmd[4], ".oob"), repeat);
|
|
|
|
return ret == 0 ? 1 : 0;
|
|
}
|
|
|
|
if (strncmp(cmd, "read", 4) == 0 || strncmp(cmd, "write", 5) == 0) {
|
|
size_t rwsize;
|
|
ulong pagecount = 1;
|
|
int read;
|
|
int raw;
|
|
|
|
if (argc < 4)
|
|
goto usage;
|
|
|
|
addr = (ulong)simple_strtoul(argv[2], NULL, 16);
|
|
|
|
read = strncmp(cmd, "read", 4) == 0; /* 1 = read, 0 = write */
|
|
printf("\nNAND %s: ", read ? "read" : "write");
|
|
|
|
nand = &nand_info[dev];
|
|
|
|
s = strchr(cmd, '.');
|
|
|
|
if (!strcmp(s, ".raw")) {
|
|
raw = 1;
|
|
|
|
if (arg_off(argv[3], &dev, &off, &size))
|
|
return 1;
|
|
|
|
if (argc > 4 && !str2long(argv[4], &pagecount)) {
|
|
printf("'%s' is not a number\n", argv[4]);
|
|
return 1;
|
|
}
|
|
|
|
if (pagecount * nand->writesize > size) {
|
|
puts("Size exceeds partition or device limit\n");
|
|
return -1;
|
|
}
|
|
|
|
rwsize = pagecount * (nand->writesize + nand->oobsize);
|
|
} else {
|
|
if (arg_off_size(argc - 3, argv + 3, &dev,
|
|
&off, &size) != 0)
|
|
return 1;
|
|
|
|
rwsize = size;
|
|
}
|
|
|
|
if (!s || !strcmp(s, ".jffs2") ||
|
|
!strcmp(s, ".e") || !strcmp(s, ".i")) {
|
|
if (read)
|
|
ret = nand_read_skip_bad(nand, off, &rwsize,
|
|
(u_char *)addr);
|
|
else
|
|
ret = nand_write_skip_bad(nand, off, &rwsize,
|
|
(u_char *)addr, 0);
|
|
#ifdef CONFIG_CMD_NAND_TRIMFFS
|
|
} else if (!strcmp(s, ".trimffs")) {
|
|
if (read) {
|
|
printf("Unknown nand command suffix '%s'\n", s);
|
|
return 1;
|
|
}
|
|
ret = nand_write_skip_bad(nand, off, &rwsize,
|
|
(u_char *)addr,
|
|
WITH_DROP_FFS);
|
|
#endif
|
|
#ifdef CONFIG_CMD_NAND_YAFFS
|
|
} else if (!strcmp(s, ".yaffs")) {
|
|
if (read) {
|
|
printf("Unknown nand command suffix '%s'.\n", s);
|
|
return 1;
|
|
}
|
|
ret = nand_write_skip_bad(nand, off, &rwsize,
|
|
(u_char *)addr,
|
|
WITH_INLINE_OOB);
|
|
#endif
|
|
} else if (!strcmp(s, ".oob")) {
|
|
/* out-of-band data */
|
|
mtd_oob_ops_t ops = {
|
|
.oobbuf = (u8 *)addr,
|
|
.ooblen = rwsize,
|
|
.mode = MTD_OOB_RAW
|
|
};
|
|
|
|
if (read)
|
|
ret = nand->read_oob(nand, off, &ops);
|
|
else
|
|
ret = nand->write_oob(nand, off, &ops);
|
|
} else if (raw) {
|
|
ret = raw_access(nand, addr, off, pagecount, read);
|
|
} else {
|
|
printf("Unknown nand command suffix '%s'.\n", s);
|
|
return 1;
|
|
}
|
|
|
|
printf(" %zu bytes %s: %s\n", rwsize,
|
|
read ? "read" : "written", ret ? "ERROR" : "OK");
|
|
|
|
return ret == 0 ? 0 : 1;
|
|
}
|
|
|
|
if (strcmp(cmd, "markbad") == 0) {
|
|
argc -= 2;
|
|
argv += 2;
|
|
|
|
if (argc <= 0)
|
|
goto usage;
|
|
|
|
while (argc > 0) {
|
|
addr = simple_strtoul(*argv, NULL, 16);
|
|
|
|
if (nand->block_markbad(nand, addr)) {
|
|
printf("block 0x%08lx NOT marked "
|
|
"as bad! ERROR %d\n",
|
|
addr, ret);
|
|
ret = 1;
|
|
} else {
|
|
printf("block 0x%08lx successfully "
|
|
"marked as bad\n",
|
|
addr);
|
|
}
|
|
--argc;
|
|
++argv;
|
|
}
|
|
return ret;
|
|
}
|
|
|
|
if (strcmp(cmd, "biterr") == 0) {
|
|
/* todo */
|
|
return 1;
|
|
}
|
|
|
|
#ifdef CONFIG_CMD_NAND_LOCK_UNLOCK
|
|
if (strcmp(cmd, "lock") == 0) {
|
|
int tight = 0;
|
|
int status = 0;
|
|
if (argc == 3) {
|
|
if (!strcmp("tight", argv[2]))
|
|
tight = 1;
|
|
if (!strcmp("status", argv[2]))
|
|
status = 1;
|
|
}
|
|
if (status) {
|
|
do_nand_status(nand);
|
|
} else {
|
|
if (!nand_lock(nand, tight)) {
|
|
puts("NAND flash successfully locked\n");
|
|
} else {
|
|
puts("Error locking NAND flash\n");
|
|
return 1;
|
|
}
|
|
}
|
|
return 0;
|
|
}
|
|
|
|
if (strcmp(cmd, "unlock") == 0) {
|
|
if (arg_off_size(argc - 2, argv + 2, &dev, &off, &size) < 0)
|
|
return 1;
|
|
|
|
if (!nand_unlock(&nand_info[dev], off, size)) {
|
|
puts("NAND flash successfully unlocked\n");
|
|
} else {
|
|
puts("Error unlocking NAND flash, "
|
|
"write and erase will probably fail\n");
|
|
return 1;
|
|
}
|
|
return 0;
|
|
}
|
|
#endif
|
|
|
|
usage:
|
|
return CMD_RET_USAGE;
|
|
}
|
|
|
|
U_BOOT_CMD(
|
|
nand, CONFIG_SYS_MAXARGS, 1, do_nand,
|
|
"NAND sub-system",
|
|
"info - show available NAND devices\n"
|
|
"nand device [dev] - show or set current device\n"
|
|
"nand read - addr off|partition size\n"
|
|
"nand write - addr off|partition size\n"
|
|
" read/write 'size' bytes starting at offset 'off'\n"
|
|
" to/from memory address 'addr', skipping bad blocks.\n"
|
|
"nand read.raw - addr off|partition [count]\n"
|
|
"nand write.raw - addr off|partition [count]\n"
|
|
" Use read.raw/write.raw to avoid ECC and access the flash as-is.\n"
|
|
#ifdef CONFIG_CMD_NAND_TRIMFFS
|
|
"nand write.trimffs - addr off|partition size\n"
|
|
" write 'size' bytes starting at offset 'off' from memory address\n"
|
|
" 'addr', skipping bad blocks and dropping any pages at the end\n"
|
|
" of eraseblocks that contain only 0xFF\n"
|
|
#endif
|
|
#ifdef CONFIG_CMD_NAND_YAFFS
|
|
"nand write.yaffs - addr off|partition size\n"
|
|
" write 'size' bytes starting at offset 'off' with yaffs format\n"
|
|
" from memory address 'addr', skipping bad blocks.\n"
|
|
#endif
|
|
"nand erase[.spread] [clean] off size - erase 'size' bytes "
|
|
"from offset 'off'\n"
|
|
" With '.spread', erase enough for given file size, otherwise,\n"
|
|
" 'size' includes skipped bad blocks.\n"
|
|
"nand erase.part [clean] partition - erase entire mtd partition'\n"
|
|
"nand erase.chip [clean] - erase entire chip'\n"
|
|
"nand bad - show bad blocks\n"
|
|
"nand dump[.oob] off - dump page\n"
|
|
"nand scrub [-y] off size | scrub.part partition | scrub.chip\n"
|
|
" really clean NAND erasing bad blocks (UNSAFE)\n"
|
|
"nand markbad off [...] - mark bad block(s) at offset (UNSAFE)\n"
|
|
"nand biterr off - make a bit error at offset (UNSAFE)"
|
|
#ifdef CONFIG_CMD_NAND_LOCK_UNLOCK
|
|
"\n"
|
|
"nand lock [tight] [status]\n"
|
|
" bring nand to lock state or display locked pages\n"
|
|
"nand unlock [offset] [size] - unlock section"
|
|
#endif
|
|
#ifdef CONFIG_ENV_OFFSET_OOB
|
|
"\n"
|
|
"nand env.oob - environment offset in OOB of block 0 of"
|
|
" first device.\n"
|
|
"nand env.oob set off|partition - set enviromnent offset\n"
|
|
"nand env.oob get - get environment offset"
|
|
#endif
|
|
);
|
|
|
|
static int nand_load_image(cmd_tbl_t *cmdtp, nand_info_t *nand,
|
|
ulong offset, ulong addr, char *cmd)
|
|
{
|
|
int r;
|
|
char *s;
|
|
size_t cnt;
|
|
image_header_t *hdr;
|
|
#if defined(CONFIG_FIT)
|
|
const void *fit_hdr = NULL;
|
|
#endif
|
|
|
|
s = strchr(cmd, '.');
|
|
if (s != NULL &&
|
|
(strcmp(s, ".jffs2") && strcmp(s, ".e") && strcmp(s, ".i"))) {
|
|
printf("Unknown nand load suffix '%s'\n", s);
|
|
bootstage_error(BOOTSTAGE_ID_NAND_SUFFIX);
|
|
return 1;
|
|
}
|
|
|
|
printf("\nLoading from %s, offset 0x%lx\n", nand->name, offset);
|
|
|
|
cnt = nand->writesize;
|
|
r = nand_read_skip_bad(nand, offset, &cnt, (u_char *) addr);
|
|
if (r) {
|
|
puts("** Read error\n");
|
|
bootstage_error(BOOTSTAGE_ID_NAND_HDR_READ);
|
|
return 1;
|
|
}
|
|
bootstage_mark(BOOTSTAGE_ID_NAND_HDR_READ);
|
|
|
|
switch (genimg_get_format ((void *)addr)) {
|
|
case IMAGE_FORMAT_LEGACY:
|
|
hdr = (image_header_t *)addr;
|
|
|
|
bootstage_mark(BOOTSTAGE_ID_NAND_TYPE);
|
|
image_print_contents (hdr);
|
|
|
|
cnt = image_get_image_size (hdr);
|
|
break;
|
|
#if defined(CONFIG_FIT)
|
|
case IMAGE_FORMAT_FIT:
|
|
fit_hdr = (const void *)addr;
|
|
puts ("Fit image detected...\n");
|
|
|
|
cnt = fit_get_size (fit_hdr);
|
|
break;
|
|
#endif
|
|
default:
|
|
bootstage_error(BOOTSTAGE_ID_NAND_TYPE);
|
|
puts ("** Unknown image type\n");
|
|
return 1;
|
|
}
|
|
bootstage_mark(BOOTSTAGE_ID_NAND_TYPE);
|
|
|
|
r = nand_read_skip_bad(nand, offset, &cnt, (u_char *) addr);
|
|
if (r) {
|
|
puts("** Read error\n");
|
|
bootstage_error(BOOTSTAGE_ID_NAND_READ);
|
|
return 1;
|
|
}
|
|
bootstage_mark(BOOTSTAGE_ID_NAND_READ);
|
|
|
|
#if defined(CONFIG_FIT)
|
|
/* This cannot be done earlier, we need complete FIT image in RAM first */
|
|
if (genimg_get_format ((void *)addr) == IMAGE_FORMAT_FIT) {
|
|
if (!fit_check_format (fit_hdr)) {
|
|
bootstage_error(BOOTSTAGE_ID_NAND_FIT_READ);
|
|
puts ("** Bad FIT image format\n");
|
|
return 1;
|
|
}
|
|
bootstage_mark(BOOTSTAGE_ID_NAND_FIT_READ_OK);
|
|
fit_print_contents (fit_hdr);
|
|
}
|
|
#endif
|
|
|
|
/* Loading ok, update default load address */
|
|
|
|
load_addr = addr;
|
|
|
|
return bootm_maybe_autostart(cmdtp, cmd);
|
|
}
|
|
|
|
int do_nandboot(cmd_tbl_t * cmdtp, int flag, int argc, char * const argv[])
|
|
{
|
|
char *boot_device = NULL;
|
|
int idx;
|
|
ulong addr, offset = 0;
|
|
#if defined(CONFIG_CMD_MTDPARTS)
|
|
struct mtd_device *dev;
|
|
struct part_info *part;
|
|
u8 pnum;
|
|
|
|
if (argc >= 2) {
|
|
char *p = (argc == 2) ? argv[1] : argv[2];
|
|
if (!(str2long(p, &addr)) && (mtdparts_init() == 0) &&
|
|
(find_dev_and_part(p, &dev, &pnum, &part) == 0)) {
|
|
if (dev->id->type != MTD_DEV_TYPE_NAND) {
|
|
puts("Not a NAND device\n");
|
|
return 1;
|
|
}
|
|
if (argc > 3)
|
|
goto usage;
|
|
if (argc == 3)
|
|
addr = simple_strtoul(argv[1], NULL, 16);
|
|
else
|
|
addr = CONFIG_SYS_LOAD_ADDR;
|
|
return nand_load_image(cmdtp, &nand_info[dev->id->num],
|
|
part->offset, addr, argv[0]);
|
|
}
|
|
}
|
|
#endif
|
|
|
|
bootstage_mark(BOOTSTAGE_ID_NAND_PART);
|
|
switch (argc) {
|
|
case 1:
|
|
addr = CONFIG_SYS_LOAD_ADDR;
|
|
boot_device = getenv("bootdevice");
|
|
break;
|
|
case 2:
|
|
addr = simple_strtoul(argv[1], NULL, 16);
|
|
boot_device = getenv("bootdevice");
|
|
break;
|
|
case 3:
|
|
addr = simple_strtoul(argv[1], NULL, 16);
|
|
boot_device = argv[2];
|
|
break;
|
|
case 4:
|
|
addr = simple_strtoul(argv[1], NULL, 16);
|
|
boot_device = argv[2];
|
|
offset = simple_strtoul(argv[3], NULL, 16);
|
|
break;
|
|
default:
|
|
#if defined(CONFIG_CMD_MTDPARTS)
|
|
usage:
|
|
#endif
|
|
bootstage_error(BOOTSTAGE_ID_NAND_SUFFIX);
|
|
return CMD_RET_USAGE;
|
|
}
|
|
bootstage_mark(BOOTSTAGE_ID_NAND_SUFFIX);
|
|
|
|
if (!boot_device) {
|
|
puts("\n** No boot device **\n");
|
|
bootstage_error(BOOTSTAGE_ID_NAND_BOOT_DEVICE);
|
|
return 1;
|
|
}
|
|
bootstage_mark(BOOTSTAGE_ID_NAND_BOOT_DEVICE);
|
|
|
|
idx = simple_strtoul(boot_device, NULL, 16);
|
|
|
|
if (idx < 0 || idx >= CONFIG_SYS_MAX_NAND_DEVICE || !nand_info[idx].name) {
|
|
printf("\n** Device %d not available\n", idx);
|
|
bootstage_error(BOOTSTAGE_ID_NAND_AVAILABLE);
|
|
return 1;
|
|
}
|
|
bootstage_mark(BOOTSTAGE_ID_NAND_AVAILABLE);
|
|
|
|
return nand_load_image(cmdtp, &nand_info[idx], offset, addr, argv[0]);
|
|
}
|
|
|
|
U_BOOT_CMD(nboot, 4, 1, do_nandboot,
|
|
"boot from NAND device",
|
|
"[partition] | [[[loadAddr] dev] offset]"
|
|
);
|
|
|