From fb3659ac422801ea18f36ef62926df70beeada4c Mon Sep 17 00:00:00 2001 From: Marek Vasut Date: Fri, 23 Sep 2011 15:43:10 +0200 Subject: NAND: Add nand read.raw and write.raw commands These commands should work around various "hardware" ECC and BCH methods. Signed-off-by: Marek Vasut Cc: Scott Wood Cc: Stefano Babic Cc: Wolfgang Denk Cc: Detlev Zundel [scottwood@freescale.com: s/write the page/access the page/] Signed-off-by: Scott Wood --- doc/README.nand | 9 +++++++++ 1 file changed, 9 insertions(+) (limited to 'doc') diff --git a/doc/README.nand b/doc/README.nand index 751b693..023740e 100644 --- a/doc/README.nand +++ b/doc/README.nand @@ -94,6 +94,15 @@ Commands: of data for one 512-byte page or 2 256-byte pages. There is no check for bad blocks. + nand read.raw addr ofs|partition + Read page from `ofs' in NAND flash to `addr'. This reads the raw page, + so ECC is avoided and the OOB area is read as well. + + nand write.raw addr ofs|partition + Write page from `addr' to `ofs' in NAND flash. This writes the raw page, + so ECC is avoided and the OOB area is written as well, making the whole + page written as-is. + Configuration Options: CONFIG_CMD_NAND -- cgit v1.1