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-rw-r--r--nandwrite.c105
1 files changed, 64 insertions, 41 deletions
diff --git a/nandwrite.c b/nandwrite.c
index 10489b7..037474a 100644
--- a/nandwrite.c
+++ b/nandwrite.c
@@ -2,7 +2,7 @@
* nandwrite.c
*
* Copyright (C) 2000 Steven J. Hill (sjhill@realitydiluted.com)
- * 2003 Thomas Gleixner (tglx@linutronix.de)
+ * 2003 Thomas Gleixner (tglx@linutronix.de)
*
* $Id: nandwrite.c,v 1.32 2005/11/07 11:15:13 gleixner Exp $
*
@@ -23,6 +23,7 @@
#define _GNU_SOURCE
#include <ctype.h>
+#include <errno.h>
#include <fcntl.h>
#include <stdio.h>
#include <stdlib.h>
@@ -76,18 +77,18 @@ void display_help (void)
printf("Usage: nandwrite [OPTION] MTD_DEVICE INPUTFILE\n"
"Writes to the specified MTD device.\n"
"\n"
- " -a, --autoplace Use auto oob layout\n"
- " -j, --jffs2 force jffs2 oob layout (legacy support)\n"
- " -y, --yaffs force yaffs oob layout (legacy support)\n"
+ " -a, --autoplace Use auto oob layout\n"
+ " -j, --jffs2 force jffs2 oob layout (legacy support)\n"
+ " -y, --yaffs force yaffs oob layout (legacy support)\n"
" -f, --forcelegacy force legacy support on autoplacement enabled mtd device\n"
" -n, --noecc write without ecc\n"
- " -o, --oob image contains oob data\n"
+ " -o, --oob image contains oob data\n"
" -s addr, --start=addr set start address (default is 0)\n"
" -p, --pad pad to page size\n"
" -b, --blockalign=1|2|4 set multiple of eraseblocks to align to\n"
- " -q, --quiet don't display progress messages\n"
- " --help display this help and exit\n"
- " --version output version information and exit\n");
+ " -q, --quiet don't display progress messages\n"
+ " --help display this help and exit\n"
+ " --version output version information and exit\n");
exit(0);
}
@@ -106,9 +107,9 @@ void display_version (void)
exit(0);
}
-char *mtd_device, *img;
-int mtdoffset = 0;
-int quiet = 0;
+char *mtd_device, *img;
+int mtdoffset = 0;
+int quiet = 0;
int writeoob = 0;
int autoplace = 0;
int forcejffs2 = 0;
@@ -129,7 +130,7 @@ void process_options (int argc, char *argv[])
{"help", no_argument, 0, 0},
{"version", no_argument, 0, 0},
{"autoplace", no_argument, 0, 'a'},
- {"blockalign", required_argument, 0, 'b'},
+ {"blockalign", required_argument, 0, 'b'},
{"forcelegacy", no_argument, 0, 'f'},
{"jffs2", no_argument, 0, 'j'},
{"noecc", no_argument, 0, 'n'},
@@ -236,8 +237,9 @@ int main(int argc, char **argv)
exit(1);
}
- /* Set erasesize to specified number of blocks - to match jffs2 (virtual) block size */
- meminfo.erasesize *= blockalign;
+ /* Set erasesize to specified number of blocks - to match jffs2
+ * (virtual) block size */
+ meminfo.erasesize *= blockalign;
/* Make sure device page sizes are valid */
if (!(meminfo.oobsize == 16 && meminfo.writesize == 512) &&
@@ -248,32 +250,51 @@ int main(int argc, char **argv)
exit(1);
}
- /* Read the current oob info */
- if (ioctl (fd, MEMGETOOBSEL, &old_oobinfo) != 0) {
- perror ("MEMGETOOBSEL");
- close (fd);
- exit (1);
- }
-
- // write without ecc ?
- if (noecc) {
- if (ioctl (fd, MEMSETOOBSEL, &none_oobinfo) != 0) {
- perror ("MEMSETOOBSEL");
+ if (autoplace) {
+ /* Read the current oob info */
+ if (ioctl (fd, MEMGETOOBSEL, &old_oobinfo) != 0) {
+ perror ("MEMGETOOBSEL");
close (fd);
exit (1);
}
- oobinfochanged = 1;
+
+ // autoplace ECC ?
+ if (autoplace && (old_oobinfo.useecc != MTD_NANDECC_AUTOPLACE)) {
+
+ if (ioctl (fd, MEMSETOOBSEL, &autoplace_oobinfo) != 0) {
+ perror ("MEMSETOOBSEL");
+ close (fd);
+ exit (1);
+ }
+ oobinfochanged = 1;
+ }
}
- // autoplace ECC ?
- if (autoplace && (old_oobinfo.useecc != MTD_NANDECC_AUTOPLACE)) {
+ if (noecc) {
+ switch (ioctl(fd, MTDFILEMODE, (void *) MTD_MODE_RAW)) {
- if (ioctl (fd, MEMSETOOBSEL, &autoplace_oobinfo) != 0) {
- perror ("MEMSETOOBSEL");
+ case -ENOTTY:
+ if (ioctl (fd, MEMGETOOBSEL, &old_oobinfo) != 0) {
+ perror ("MEMGETOOBSEL");
+ close (fd);
+ exit (1);
+ }
+ if (ioctl (fd, MEMSETOOBSEL, &none_oobinfo) != 0) {
+ perror ("MEMSETOOBSEL");
+ close (fd);
+ exit (1);
+ }
+ oobinfochanged = 1;
+ break;
+
+ case 0:
+ oobinfochanged = 2;
+ break;
+ default:
+ perror ("MTDFILEMODE");
close (fd);
exit (1);
}
- oobinfochanged = 1;
}
/*
@@ -292,7 +313,7 @@ int main(int argc, char **argv)
goto restoreoob;
}
if (meminfo.oobsize == 8) {
- if (forceyaffs) {
+ if (forceyaffs) {
fprintf (stderr, "YAFSS cannot operate on 256 Byte page size");
goto restoreoob;
}
@@ -316,7 +337,7 @@ int main(int argc, char **argv)
}
// get image length
- imglen = lseek(ifd, 0, SEEK_END);
+ imglen = lseek(ifd, 0, SEEK_END);
lseek (ifd, 0, SEEK_SET);
pagelen = meminfo.writesize + ((writeoob == 1) ? meminfo.oobsize : 0);
@@ -346,26 +367,28 @@ int main(int argc, char **argv)
while (blockstart != (mtdoffset & (~meminfo.erasesize + 1))) {
blockstart = mtdoffset & (~meminfo.erasesize + 1);
offs = blockstart;
- baderaseblock = 0;
+ baderaseblock = 0;
if (!quiet)
fprintf (stdout, "Writing data to block %x\n", blockstart);
- /* Check all the blocks in an erase block for bad blocks */
+ /* Check all the blocks in an erase block for bad blocks */
do {
- if ((ret = ioctl(fd, MEMGETBADBLOCK, &offs)) < 0) {
+ if ((ret = ioctl(fd, MEMGETBADBLOCK, &offs)) < 0) {
perror("ioctl(MEMGETBADBLOCK)");
goto closeall;
}
if (ret == 1) {
baderaseblock = 1;
- if (!quiet)
- fprintf (stderr, "Bad block at %x, %u block(s) from %x will be skipped\n", (int) offs, blockalign, blockstart);
- }
+ if (!quiet)
+ fprintf (stderr, "Bad block at %x, %u block(s) "
+ "from %x will be skipped\n",
+ (int) offs, blockalign, blockstart);
+ }
if (baderaseblock) {
mtdoffset = blockstart + meminfo.erasesize;
}
- offs += meminfo.erasesize / blockalign ;
+ offs += meminfo.erasesize / blockalign ;
} while ( offs < blockstart + meminfo.erasesize );
}
@@ -440,7 +463,7 @@ int main(int argc, char **argv)
close(ifd);
restoreoob:
- if (oobinfochanged) {
+ if (oobinfochanged == 1) {
if (ioctl (fd, MEMSETOOBSEL, &old_oobinfo) != 0) {
perror ("MEMSETOOBSEL");
close (fd);
generated by cgit v1.2.3 (git 2.39.1) at 2024-11-07 23:45:24 +0000