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Diffstat (limited to 'common/cmd_onenand.c')
-rw-r--r--common/cmd_onenand.c41
1 files changed, 36 insertions, 5 deletions
diff --git a/common/cmd_onenand.c b/common/cmd_onenand.c
index cb2ba70..a27adaa 100644
--- a/common/cmd_onenand.c
+++ b/common/cmd_onenand.c
@@ -112,8 +112,32 @@ static int onenand_block_read(loff_t from, size_t len,
return 0;
}
+static int onenand_write_oneblock_withoob(loff_t to, const u_char * buf,
+ size_t *retlen)
+{
+ struct mtd_oob_ops ops = {
+ .len = mtd->writesize,
+ .ooblen = mtd->oobsize,
+ .mode = MTD_OOB_AUTO,
+ };
+ int page, ret = 0;
+ for (page = 0; page < (mtd->erasesize / mtd->writesize); page ++) {
+ ops.datbuf = (u_char *)buf;
+ buf += mtd->writesize;
+ ops.oobbuf = (u_char *)buf;
+ buf += mtd->oobsize;
+ ret = mtd->write_oob(mtd, to, &ops);
+ if (ret)
+ break;
+ to += mtd->writesize;
+ }
+
+ *retlen = (ret) ? 0 : mtd->erasesize;
+ return ret;
+}
+
static int onenand_block_write(loff_t to, size_t len,
- size_t *retlen, const u_char * buf)
+ size_t *retlen, const u_char * buf, int withoob)
{
struct onenand_chip *this = mtd->priv;
int blocks = len >> this->erase_shift;
@@ -140,7 +164,10 @@ static int onenand_block_write(loff_t to, size_t len,
goto next;
}
- ret = mtd->write(mtd, ofs, blocksize, &_retlen, buf);
+ if (!withoob)
+ ret = mtd->write(mtd, ofs, blocksize, &_retlen, buf);
+ else
+ ret = onenand_write_oneblock_withoob(ofs, buf, &_retlen);
if (ret) {
printk("Write failed 0x%x, %d", (u32)ofs, ret);
skip_ofs += blocksize;
@@ -386,19 +413,22 @@ static int do_onenand_write(cmd_tbl_t * cmdtp, int flag, int argc, char * const
{
ulong addr, ofs;
size_t len;
- int ret = 0;
+ int ret = 0, withoob = 0;
size_t retlen = 0;
if (argc < 3)
return cmd_usage(cmdtp);
+ if (strncmp(argv[0] + 6, "yaffs", 5) == 0)
+ withoob = 1;
+
addr = (ulong)simple_strtoul(argv[1], NULL, 16);
printf("\nOneNAND write: ");
if (arg_off_size(argc - 2, argv + 2, &ofs, &len) != 0)
return 1;
- ret = onenand_block_write(ofs, len, &retlen, (u8 *)addr);
+ ret = onenand_block_write(ofs, len, &retlen, (u8 *)addr, withoob);
printf(" %d bytes written: %s\n", retlen, ret ? "ERROR" : "OK");
@@ -521,6 +551,7 @@ static cmd_tbl_t cmd_onenand_sub[] = {
U_BOOT_CMD_MKENT(bad, 1, 0, do_onenand_bad, "", ""),
U_BOOT_CMD_MKENT(read, 4, 0, do_onenand_read, "", ""),
U_BOOT_CMD_MKENT(write, 4, 0, do_onenand_write, "", ""),
+ U_BOOT_CMD_MKENT(write.yaffs, 4, 0, do_onenand_write, "", ""),
U_BOOT_CMD_MKENT(erase, 3, 0, do_onenand_erase, "", ""),
U_BOOT_CMD_MKENT(test, 3, 0, do_onenand_test, "", ""),
U_BOOT_CMD_MKENT(dump, 2, 0, do_onenand_dump, "", ""),
@@ -560,7 +591,7 @@ U_BOOT_CMD(
"info - show available OneNAND devices\n"
"onenand bad - show bad blocks\n"
"onenand read[.oob] addr off size\n"
- "onenand write addr off size\n"
+ "onenand write[.yaffs] addr off size\n"
" read/write 'size' bytes starting at offset 'off'\n"
" to/from memory address 'addr', skipping bad blocks.\n"
"onenand erase [force] [off size] - erase 'size' bytes from\n"