[U-Boot] [PATCH] Add Yaffs2 image writing support.

[Li Wenhao]

Signed-off-by: Li Wenhao <liwenhao.g at gmail.com>
---
 common/cmd_nand.c |   21 +++++++++++++++++++++
 1 files changed, 21 insertions(+), 0 deletions(-)

diff --git a/common/cmd_nand.c b/common/cmd_nand.c
index 075a8af..38c6480 100644
--- a/common/cmd_nand.c
+++ b/common/cmd_nand.c
@@ -390,6 +390,27 @@ int do_nand(cmd_tbl_t * cmdtp, int flag, int argc, char *argv[])
 				ret = nand->read_oob(nand, off, &ops);
 			else
 				ret = nand->write_oob(nand, off, &ops);
+		} else if (!strcmp(s, ".yaffs2") && !read) {
+			mtd_oob_ops_t ops = {
+				.mode = MTD_OOB_AUTO,
+				.len = 2048,	/* page size */
+				.ooblen = 64,	/* spare size */
+			};
+
+			ulong page = 0;
+			ulong block_size = ops.len + ops.ooblen;
+			while (page * block_size < size) {
+				ops.datbuf = addr + page * block_size;
+				ops.oobbuf = ops.datbuf + ops.len;
+
+				ret = nand->write_oob(nand, 
+						      off + page * ops.len,
+						      &ops);
+
+				if (ret) break;
+
+				page++;
+			}
 		} else {
 			printf("Unknown nand command suffix '%s'.\n", s);
 			return 1;
-- 
1.6.3.3