@@ -574,7 +574,15 @@ int do_nand(cmd_tbl_t * cmdtp, int flag, int argc, char * const argv[])
(u_char *)addr);
else
ret = nand_write_skip_bad(nand, off, &rwsize,
- (u_char *)addr);
+ (u_char *)addr, 0);
+#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, 1);
+#endif
} else if (!strcmp(s, ".oob")) {
/* out-of-band data */
mtd_oob_ops_t ops = {
@@ -680,6 +688,11 @@ U_BOOT_CMD(
"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"
+#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"
@@ -447,17 +447,34 @@ static int check_skip_len(nand_info_t *nand, loff_t offset, size_t length)
* @param nand NAND device
* @param offset offset in flash
* @param length buffer length
- * @param buf buffer to read from
+ * @param buffer buffer to read from
+ * @param withoob whether write with yaffs format
* @return 0 in case of success
*/
int nand_write_skip_bad(nand_info_t *nand, loff_t offset, size_t *length,
- u_char *buffer)
+ u_char *buffer, int withoob)
{
- int rval;
+ int rval = 0, blocksize;
size_t left_to_write = *length;
u_char *p_buffer = buffer;
int need_skip;
+#ifdef CONFIG_CMD_NAND_YAFFS
+ if (withoob) {
+ int pages;
+ pages = nand->erasesize / nand->writesize;
+ blocksize = (pages * nand->oobsize) + nand->erasesize;
+ if (*length % (nand->writesize + nand->oobsize)) {
+ printf ("Attempt to write incomplete page"
+ " in yaffs mode\n");
+ return -EINVAL;
+ }
+ } else
+#endif
+ {
+ blocksize = nand->erasesize;
+ }
+
/*
* nand_write() handles unaligned, partial page writes.
*
@@ -506,12 +523,44 @@ int nand_write_skip_bad(nand_info_t *nand, loff_t offset, size_t *length,
continue;
}
- if (left_to_write < (nand->erasesize - block_offset))
+ if (left_to_write < (blocksize - block_offset))
write_size = left_to_write;
else
- write_size = nand->erasesize - block_offset;
+ write_size = blocksize - block_offset;
+
+#ifdef CONFIG_CMD_NAND_YAFFS
+ if (withoob) {
+ int page, pages;
+ size_t pagesize = nand->writesize;
+ size_t pagesize_oob = pagesize + nand->oobsize;
+ struct mtd_oob_ops ops;
+
+ ops.len = pagesize;
+ ops.ooblen = nand->oobsize;
+ ops.mode = MTD_OOB_AUTO;
+ ops.ooboffs = 0;
+
+ pages = write_size / pagesize_oob;
+ for (page = 0; page < pages; page++) {
+ ops.datbuf = p_buffer;
+ ops.oobbuf = ops.datbuf + pagesize;
+
+ rval = nand->write_oob(nand, offset, &ops);
+ if (!rval)
+ break;
+
+ offset += pagesize;
+ p_buffer += pagesize_oob;
+ }
+ }
+ else
+#endif
+ {
+ rval = nand_write (nand, offset, &write_size, p_buffer);
+ offset += write_size;
+ p_buffer += write_size;
+ }
- rval = nand_write (nand, offset, &write_size, p_buffer);
if (rval != 0) {
printf ("NAND write to offset %llx failed %d\n",
offset, rval);
@@ -520,8 +569,6 @@ int nand_write_skip_bad(nand_info_t *nand, loff_t offset, size_t *length,
}
left_to_write -= write_size;
- offset += write_size;
- p_buffer += write_size;
}
return 0;
@@ -115,7 +115,7 @@ typedef struct nand_erase_options nand_erase_options_t;
int nand_read_skip_bad(nand_info_t *nand, loff_t offset, size_t *length,
u_char *buffer);
int nand_write_skip_bad(nand_info_t *nand, loff_t offset, size_t *length,
- u_char *buffer);
+ u_char *buffer, int withoob);
int nand_erase_opts(nand_info_t *meminfo, const nand_erase_options_t *opts);
#define NAND_LOCK_STATUS_TIGHT 0x01
This patch add addition suffix to nand write to give the uboot the power to directly burn the yaffs image to nand. Signed-off-by: Lei Wen <leiwen@marvell.com> --- V2: fix compile warning, and add CONFIG_CMD_NAND_YAFFS to reduce code when not use this function. common/cmd_nand.c | 15 +++++++++- drivers/mtd/nand/nand_util.c | 63 ++++++++++++++++++++++++++++++++++++----- include/nand.h | 2 +- 3 files changed, 70 insertions(+), 10 deletions(-)