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-rw-r--r--flash_eraseall.c276
1 files changed, 0 insertions, 276 deletions
diff --git a/flash_eraseall.c b/flash_eraseall.c
deleted file mode 100644
index cb6f632..0000000
--- a/flash_eraseall.c
+++ /dev/null
@@ -1,276 +0,0 @@
-/* eraseall.c -- erase the whole of a MTD device
-
- Copyright (C) 2000 Arcom Control System Ltd
-
- Renamed to flash_eraseall.c
-
- This program is free software; you can redistribute it and/or modify
- it 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.
-
- This program is distributed in the hope that it will be useful,
- but WITHOUT ANY WARRANTY; without even the implied warranty of
- MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- GNU General Public License for more details.
-
- You should have received a copy of the GNU General Public License
- along with this program; if not, write to the Free Software
- Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA
- */
-#include <sys/types.h>
-#include <stdio.h>
-#include <sys/stat.h>
-#include <unistd.h>
-#include <sys/mman.h>
-#include <fcntl.h>
-#include <stdlib.h>
-#include <errno.h>
-#include <string.h>
-#include <stdarg.h>
-#include <stdint.h>
-#include <libgen.h>
-#include <ctype.h>
-#include <time.h>
-#include <getopt.h>
-#include <sys/ioctl.h>
-#include <sys/mount.h>
-#include <crc32.h>
-#include <libmtd.h>
-
-#include <mtd/mtd-user.h>
-#include <mtd/jffs2-user.h>
-
-#define PROGRAM "flash_eraseall"
-#define VERSION "$Revision: 1.22 $"
-
-static const char *exe_name;
-static const char *mtd_device;
-static int quiet; /* true -- don't output progress */
-static int jffs2; /* format for jffs2 usage */
-
-static struct jffs2_unknown_node cleanmarker;
-int target_endian = __BYTE_ORDER;
-
-static void show_progress (struct mtd_dev_info *mtd, uint64_t start)
-{
- printf("\rErasing %d Kibyte @ %llx -- %2llu %% complete.",
- mtd->eb_size / 1024, (unsigned long long)start,
- (unsigned long long) start * 100 / mtd->size);
- fflush(stdout);
-}
-
-static void display_help (void)
-{
- printf("Usage: %s [OPTION] MTD_DEVICE\n"
- "Erases all of the specified MTD device.\n"
- "\n"
- " -j, --jffs2 format the device for jffs2\n"
- " -q, --quiet don't display progress messages\n"
- " --silent same as --quiet\n"
- " --help display this help and exit\n"
- " --version output version information and exit\n",
- exe_name);
-}
-
-
-static void display_version (void)
-{
- printf(PROGRAM " " VERSION "\n"
- "\n"
- "Copyright (C) 2000 Arcom Control Systems Ltd\n"
- "\n"
- PROGRAM " comes with NO WARRANTY\n"
- "to the extent permitted by law.\n"
- "\n"
- "You may redistribute copies of " PROGRAM "\n"
- "under the terms of the GNU General Public Licence.\n"
- "See the file `COPYING' for more information.\n");
-}
-
-int main (int argc, char *argv[])
-{
- libmtd_t mtd_desc;
- struct mtd_dev_info mtd;
- int fd, clmpos = 0, clmlen = 8, eb;
- int isNAND, bbtest = 1;
- int error = 0;
- uint64_t offset = 0;
-
- exe_name = argv[0];
- for (;;) {
- int option_index = 0;
- static const char *short_options = "jq";
- static const struct option long_options[] = {
- {"help", no_argument, 0, 0},
- {"version", no_argument, 0, 0},
- {"jffs2", no_argument, 0, 'j'},
- {"quiet", no_argument, 0, 'q'},
- {"silent", no_argument, 0, 'q'},
-
- {0, 0, 0, 0},
- };
-
- int c = getopt_long(argc, argv, short_options,
- long_options, &option_index);
- if (c == EOF)
- break;
-
- switch (c) {
- case 0:
- switch (option_index) {
- case 0:
- display_help();
- return 0;
- case 1:
- display_version();
- return 0;
- }
- break;
- case 'q':
- quiet = 1;
- break;
- case 'j':
- jffs2 = 1;
- break;
- case '?':
- error = 1;
- break;
- }
- }
- if (optind == argc) {
- fprintf(stderr, "%s: no MTD device specified\n", exe_name);
- error = 1;
- }
- if (error) {
- fprintf(stderr, "Try `%s --help' for more information.\n",
- exe_name);
- return 1;
- }
- mtd_device = argv[optind];
-
- mtd_desc = libmtd_open();
- if (mtd_desc == NULL) {
- fprintf(stderr, "%s: can't initialize libmtd\n", exe_name);
- return 1;
- }
-
- if ((fd = open(mtd_device, O_RDWR)) < 0) {
- fprintf(stderr, "%s: %s: %s\n", exe_name, mtd_device, strerror(errno));
- return 1;
- }
-
- if (mtd_get_dev_info(mtd_desc, mtd_device, &mtd) < 0) {
- fprintf(stderr, "%s: mtd_get_dev_info failed\n", exe_name);
- return 1;
- }
-
- isNAND = mtd.type == MTD_NANDFLASH ? 1 : 0;
-
- if (jffs2) {
- cleanmarker.magic = cpu_to_je16 (JFFS2_MAGIC_BITMASK);
- cleanmarker.nodetype = cpu_to_je16 (JFFS2_NODETYPE_CLEANMARKER);
- if (!isNAND)
- cleanmarker.totlen = cpu_to_je32 (sizeof (struct jffs2_unknown_node));
- else {
- struct nand_oobinfo oobinfo;
-
- if (ioctl(fd, MEMGETOOBSEL, &oobinfo) != 0) {
- fprintf(stderr, "%s: %s: unable to get NAND oobinfo\n", exe_name, mtd_device);
- return 1;
- }
-
- /* Check for autoplacement */
- if (oobinfo.useecc == MTD_NANDECC_AUTOPLACE) {
- /* Get the position of the free bytes */
- if (!oobinfo.oobfree[0][1]) {
- fprintf (stderr, " Eeep. Autoplacement selected and no empty space in oob\n");
- return 1;
- }
- clmpos = oobinfo.oobfree[0][0];
- clmlen = oobinfo.oobfree[0][1];
- if (clmlen > 8)
- clmlen = 8;
- } else {
- /* Legacy mode */
- switch (mtd.oob_size) {
- case 8:
- clmpos = 6;
- clmlen = 2;
- break;
- case 16:
- clmpos = 8;
- clmlen = 8;
- break;
- case 64:
- clmpos = 16;
- clmlen = 8;
- break;
- }
- }
- cleanmarker.totlen = cpu_to_je32(8);
- }
- cleanmarker.hdr_crc = cpu_to_je32 (mtd_crc32 (0, &cleanmarker, sizeof (struct jffs2_unknown_node) - 4));
- }
-
- for (eb = 0; eb < (mtd.size / mtd.eb_size); eb++) {
- offset = eb * mtd.eb_size;
- if (bbtest) {
- int ret = mtd_is_bad(&mtd, fd, eb);
- if (ret > 0) {
- if (!quiet)
- printf ("\nSkipping bad block at 0x%08llx\n", (unsigned long long)offset);
- continue;
- } else if (ret < 0) {
- if (errno == EOPNOTSUPP) {
- bbtest = 0;
- if (isNAND) {
- fprintf(stderr, "%s: %s: Bad block check not available\n", exe_name, mtd_device);
- return 1;
- }
- } else {
- fprintf(stderr, "\n%s: %s: MTD get bad block failed: %s\n", exe_name, mtd_device, strerror(errno));
- return 1;
- }
- }
- }
-
- if (!quiet)
- show_progress(&mtd, offset);
-
- if (mtd_erase(mtd_desc, &mtd, fd, eb) != 0) {
- fprintf(stderr, "\n%s: %s: MTD Erase failure: %s\n", exe_name, mtd_device, strerror(errno));
- continue;
- }
-
- /* format for JFFS2 ? */
- if (!jffs2)
- continue;
-
- /* write cleanmarker */
- if (isNAND) {
- if (mtd_write_oob(mtd_desc, &mtd, fd, offset + clmpos, clmlen, &cleanmarker) != 0) {
- fprintf(stderr, "\n%s: %s: MTD writeoob failure: %s\n", exe_name, mtd_device, strerror(errno));
- continue;
- }
- } else {
- if (lseek (fd, (loff_t)offset, SEEK_SET) < 0) {
- fprintf(stderr, "\n%s: %s: MTD lseek failure: %s\n", exe_name, mtd_device, strerror(errno));
- continue;
- }
- if (write (fd , &cleanmarker, sizeof (cleanmarker)) != sizeof (cleanmarker)) {
- fprintf(stderr, "\n%s: %s: MTD write failure: %s\n", exe_name, mtd_device, strerror(errno));
- continue;
- }
- }
- if (!quiet)
- printf (" Cleanmarker written at %llx.", (unsigned long long)offset);
- }
- if (!quiet) {
- show_progress(&mtd, offset);
- printf("\n");
- }
-
- return 0;
-}
-
generated by cgit v1.2.3 (git 2.39.1) at 2024-05-09 01:24:50 +0000