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Diffstat (limited to 'ubi-utils/src/bin2nand.c')
-rw-r--r--ubi-utils/src/bin2nand.c156
1 files changed, 89 insertions, 67 deletions
diff --git a/ubi-utils/src/bin2nand.c b/ubi-utils/src/bin2nand.c
index c7c7ccc..83f50cc 100644
--- a/ubi-utils/src/bin2nand.c
+++ b/ubi-utils/src/bin2nand.c
@@ -28,7 +28,8 @@
* 1.3 Padds data/oob to a given size. (oloh)
* 1.4 Removed argp because we want to use uClibc.
* 1.5 Minor cleanup
- * 1.6 written variable not initialized (-j did not work) (haver)
+ * 1.6 Written variable not initialized (-j did not work) (haver)
+ * 1.7 Made NAND ECC layout configurable (haver)
*/
#include <unistd.h>
@@ -46,8 +47,11 @@
#include "error.h"
#include "config.h"
#include "nandecc.h"
+#include "ecclayouts.h"
-#define PROGRAM_VERSION "1.6"
+#define PROGRAM_VERSION "1.7"
+
+#define ARRAY_SIZE(a) (sizeof(a) / sizeof((a)[0]))
#define CHECK_ENDP(option, endp) do { \
if (*endp) { \
@@ -74,8 +78,9 @@ static char doc[] = "\nVersion: " PROGRAM_VERSION "\n"
static const char *optionsstr =
" -c, --copyright Print copyright informatoin.\n"
" -j, --padding=<num> Padding in Byte/Mi/ki. Default = no padding\n"
+" -l, --ecc-placement=<MTD,IBM> OOB placement scheme (default is IBM).\n"
" -p, --pagesize=<num> Pagesize in Byte/Mi/ki. Default = 2048\n"
-" -o, --output=<fname> Output filename. Interleaved Data/OOB if\n"
+" -o, --output=<fname> Output filename. Interleaved Data/OOB if\n"
" output-oob not specified.\n"
" -q, --output-oob=<fname> Write OOB data in separate file.\n"
" -?, --help Give this help list\n"
@@ -94,30 +99,33 @@ struct option long_options[] = {
{ .name = "pagesize", .has_arg = 1, .flag = NULL, .val = 'p' },
{ .name = "output", .has_arg = 1, .flag = NULL, .val = 'o' },
{ .name = "output-oob", .has_arg = 1, .flag = NULL, .val = 'q' },
+ { .name = "ecc-layout", .has_arg = 1, .flag = NULL, .val = 'l' },
{ .name = "help", .has_arg = 0, .flag = NULL, .val = '?' },
{ .name = "usage", .has_arg = 0, .flag = NULL, .val = 0 },
{ .name = "version", .has_arg = 0, .flag = NULL, .val = 'V' },
{ NULL, 0, NULL, 0}
};
-static const char copyright [] __attribute__((unused)) =
- "Copyright IBM Corp. 2006";
+#define __unused __attribute__((unused))
+static const char copyright [] __unused = "Copyright IBM Corp. 2007";
-typedef struct myargs {
+struct args {
action_t action;
size_t pagesize;
+ size_t oobsize;
size_t padding;
FILE* fp_in;
- char *file_out_data; /* Either: Data and OOB interleaved
- or plain data */
- char *file_out_oob; /* OOB Data only. */
+ const char *file_out_data; /* Either: Data and OOB interleaved
+ or plain data */
+ const char *file_out_oob; /* OOB Data only. */
+ struct nand_ecclayout *nand_oob;
/* special stuff needed to get additional arguments */
char *arg1;
char **options; /* [STRING...] */
-} myargs;
+};
static int ustrtoull(const char *cp, char **endp, unsigned int base)
@@ -140,49 +148,53 @@ static int ustrtoull(const char *cp, char **endp, unsigned int base)
}
static int
-parse_opt(int argc, char **argv, myargs *args)
+parse_opt(int argc, char **argv, struct args *args)
{
+ const char *ecc_layout = NULL;
+ unsigned int i, oob_idx = 0;
char* endp;
while (1) {
int key;
- key = getopt_long(argc, argv, "cj:p:o:q:?V", long_options, NULL);
+ key = getopt_long(argc, argv, "cj:l:p:o:q:?V", long_options, NULL);
if (key == -1)
break;
switch (key) {
- case 'p': /* pagesize */
- args->pagesize = (size_t)
- ustrtoull(optarg, &endp, 0);
- CHECK_ENDP("p", endp);
- break;
- case 'j': /* padding */
- args->padding = (size_t)
- ustrtoull(optarg, &endp, 0);
- CHECK_ENDP("j", endp);
- break;
- case 'o': /* output */
- args->file_out_data = optarg;
- break;
- case 'q': /* output oob */
- args->file_out_oob = optarg;
- break;
- case '?': /* help */
- printf("%s", doc);
- printf("%s", optionsstr);
- exit(0);
- break;
- case 'V':
- printf("%s\n", PROGRAM_VERSION);
- exit(0);
- break;
- case 'c':
- printf("%s\n", copyright);
- exit(0);
- default:
- printf("%s", usage);
- exit(-1);
+ case 'p': /* pagesize */
+ args->pagesize = (size_t)
+ ustrtoull(optarg, &endp, 0);
+ CHECK_ENDP("p", endp);
+ break;
+ case 'j': /* padding */
+ args->padding = (size_t)
+ ustrtoull(optarg, &endp, 0);
+ CHECK_ENDP("j", endp);
+ break;
+ case 'o': /* output */
+ args->file_out_data = optarg;
+ break;
+ case 'q': /* output oob */
+ args->file_out_oob = optarg;
+ break;
+ case 'l': /* --ecc-layout=<...> */
+ ecc_layout = optarg;
+ break;
+ case '?': /* help */
+ printf("%s%s", doc, optionsstr);
+ exit(0);
+ break;
+ case 'V':
+ printf("%s\n", PROGRAM_VERSION);
+ exit(0);
+ break;
+ case 'c':
+ printf("%s\n", copyright);
+ exit(0);
+ default:
+ printf("%s", usage);
+ exit(-1);
}
}
@@ -194,46 +206,55 @@ parse_opt(int argc, char **argv, myargs *args)
}
}
+ switch (args->pagesize) {
+ case 512: args->oobsize = 16; oob_idx = 0; break;
+ case 2048: args->oobsize = 64; oob_idx = 1; break;
+ default:
+ err_msg("Unsupported page size: %d\n", args->pagesize);
+ return -EINVAL;
+ }
+
+ /* Figure out correct oob layout if it differs from default */
+ if (ecc_layout) {
+ for (i = 0; i < ARRAY_SIZE(oob_placement); i++)
+ if (strcmp(ecc_layout, oob_placement[i].name) == 0)
+ args->nand_oob =
+ oob_placement[i].nand_oob[oob_idx];
+ }
return 0;
}
static int
-process_page(uint8_t* buf, size_t pagesize,
- FILE *fp_data, FILE* fp_oob, size_t* written)
+process_page(struct args *args, uint8_t *buf, FILE *fp_data, FILE *fp_oob,
+ size_t *written)
{
- int eccpoi, oobsize;
+ int eccpoi;
size_t i;
uint8_t oobbuf[64];
+ uint8_t ecc_code[3] = { 0, }; /* temp */
+ /* Calculate ECC for each subpage of 256 bytes */
memset(oobbuf, 0xff, sizeof(oobbuf));
-
- switch(pagesize) {
- case 2048: oobsize = 64; eccpoi = 64 / 2; break;
- case 512: oobsize = 16; eccpoi = 16 / 2; break;
- default:
- err_msg("Unsupported page size: %d\n", pagesize);
- return -EINVAL;
- }
-
- for (i = 0; i < pagesize; i += 256, eccpoi += 3) {
- oobbuf[eccpoi++] = 0x0;
- /* Calculate ECC */
- nand_calculate_ecc(&buf[i], &oobbuf[eccpoi]);
+ for (eccpoi = 0, i = 0; i < args->pagesize; i += 256, eccpoi += 3) {
+ int j;
+ nand_calculate_ecc(&buf[i], ecc_code);
+ for (j = 0; j < 3; j++)
+ oobbuf[args->nand_oob->eccpos[eccpoi + j]] = ecc_code[j];
}
/* write data */
- *written += fwrite(buf, 1, pagesize, fp_data);
+ *written += fwrite(buf, 1, args->pagesize, fp_data);
/* either separate oob or interleave with data */
if (fp_oob) {
- i = fwrite(oobbuf, 1, oobsize, fp_oob);
+ i = fwrite(oobbuf, 1, args->oobsize, fp_oob);
if (ferror(fp_oob)) {
err_msg("IO error\n");
return -EIO;
}
}
else {
- i = fwrite(oobbuf, 1, oobsize, fp_data);
+ i = fwrite(oobbuf, 1, args->oobsize, fp_data);
if (ferror(fp_data)) {
err_msg("IO error\n");
return -EIO;
@@ -248,13 +269,14 @@ int main (int argc, char** argv)
int rc = -1;
int res = 0;
size_t written = 0, read;
- myargs args = {
+ struct args args = {
.action = ACT_NORMAL,
.pagesize = PAGESIZE,
.padding = PADDING,
.fp_in = NULL,
.file_out_data = NULL,
.file_out_oob = NULL,
+ .nand_oob = &ibm_nand_oob_64,
};
FILE* fp_out_data = stdout;
@@ -306,16 +328,16 @@ int main (int argc, char** argv)
goto err;
}
- res = process_page(buf, args.pagesize, fp_out_data,
- fp_out_oob, &written);
+ res = process_page(&args, buf, fp_out_data, fp_out_oob,
+ &written);
if (res != 0)
goto err;
}
while (written < args.padding) {
memset(buf, 0xff, args.pagesize);
- res = process_page(buf, args.pagesize, fp_out_data,
- fp_out_oob, &written);
+ res = process_page(&args, buf, fp_out_data, fp_out_oob,
+ &written);
if (res != 0)
goto err;
}
generated by cgit v1.2.3 (git 2.39.1) at 2024-05-20 09:30:20 +0000