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NAND: add the ability to directly write yaffs image

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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>
This commit is contained in:
Lei Wen
2011-01-06 11:11:58 +08:00
committed by Scott Wood
parent 7fab9dfffa
commit 47fc18f1e7
3 changed files with 70 additions and 10 deletions
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15
common/cmd_nand.c
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@@ -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"