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| author | Wolfgang Denk <wd@pollux.denx.de> | 2005-08-17 12:55:25 +0200 |
|---|---|---|
| committer | Wolfgang Denk <wd@pollux.denx.de> | 2005-08-17 12:55:25 +0200 |
| commit | 932394ac43e2e778e664eeb6e456fecd0fae6e59 (patch) | |
| tree | 170e594a6818d35081c9184f5b7dc06eaf0497af /include/linux/mtd/nand_ecc.h | |
| parent | 024447b186cca55c2d803ab96b4c8f8674363b86 (diff) | |
| download | u-boot-imx-932394ac43e2e778e664eeb6e456fecd0fae6e59.zip u-boot-imx-932394ac43e2e778e664eeb6e456fecd0fae6e59.tar.gz u-boot-imx-932394ac43e2e778e664eeb6e456fecd0fae6e59.tar.bz2 | |
Rewrite of NAND code based on what is in 2.6.12 Linux kernel
Patch by Ladislav Michl, 29 Jun 2005
Diffstat (limited to 'include/linux/mtd/nand_ecc.h')
| -rw-r--r-- | include/linux/mtd/nand_ecc.h | 30 |
1 files changed, 30 insertions, 0 deletions
diff --git a/include/linux/mtd/nand_ecc.h b/include/linux/mtd/nand_ecc.h new file mode 100644 index 0000000..12c5bc3 --- /dev/null +++ b/include/linux/mtd/nand_ecc.h @@ -0,0 +1,30 @@ +/* + * drivers/mtd/nand_ecc.h + * + * Copyright (C) 2000 Steven J. Hill (sjhill@realitydiluted.com) + * + * $Id: nand_ecc.h,v 1.4 2004/06/17 02:35:02 dbrown Exp $ + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 2 as + * published by the Free Software Foundation. + * + * This file is the header for the ECC algorithm. + */ + +#ifndef __MTD_NAND_ECC_H__ +#define __MTD_NAND_ECC_H__ + +struct mtd_info; + +/* + * Calculate 3 byte ECC code for 256 byte block + */ +int nand_calculate_ecc(struct mtd_info *mtd, const u_char *dat, u_char *ecc_code); + +/* + * Detect and correct a 1 bit error for 256 byte block + */ +int nand_correct_data(struct mtd_info *mtd, u_char *dat, u_char *read_ecc, u_char *calc_ecc); + +#endif /* __MTD_NAND_ECC_H__ */ |