mirror of
https://github.com/AsahiLinux/u-boot
synced 2024-12-21 02:33:07 +00:00
ceee07b658
Updates the NAND code to match Linux v4.6. The previous sync was from
Linux v4.1 in commit d3963721d9.
Note that none of the individual NAND drivers tracked Linux closely
enough to be synced themselves, other than manually applying a few
cross-tree changes.
Signed-off-by: Scott Wood <oss@buserror.net>
Tested-by: Heiko Schocher <hs@denx.de>
68 lines
1.6 KiB
C
68 lines
1.6 KiB
C
/*
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* Copyright © 2011 Ivan Djelic <ivan.djelic@parrot.com>
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License version 2 as
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* published by the Free Software Foundation.
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*
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* This file is the header for the NAND BCH ECC implementation.
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*/
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#ifndef __MTD_NAND_BCH_H__
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#define __MTD_NAND_BCH_H__
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struct mtd_info;
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struct nand_bch_control;
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#if defined(CONFIG_NAND_ECC_BCH)
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static inline int mtd_nand_has_bch(void) { return 1; }
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/*
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* Calculate BCH ecc code
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*/
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int nand_bch_calculate_ecc(struct mtd_info *mtd, const u_char *dat,
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u_char *ecc_code);
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/*
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* Detect and correct bit errors
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*/
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int nand_bch_correct_data(struct mtd_info *mtd, u_char *dat, u_char *read_ecc,
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u_char *calc_ecc);
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/*
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* Initialize BCH encoder/decoder
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*/
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struct nand_bch_control *nand_bch_init(struct mtd_info *mtd);
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/*
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* Release BCH encoder/decoder resources
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*/
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void nand_bch_free(struct nand_bch_control *nbc);
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#else /* !CONFIG_NAND_ECC_BCH */
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static inline int mtd_nand_has_bch(void) { return 0; }
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static inline int
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nand_bch_calculate_ecc(struct mtd_info *mtd, const u_char *dat,
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u_char *ecc_code)
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{
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return -1;
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}
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static inline int
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nand_bch_correct_data(struct mtd_info *mtd, unsigned char *buf,
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unsigned char *read_ecc, unsigned char *calc_ecc)
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{
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return -ENOTSUPP;
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}
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static inline struct nand_bch_control *nand_bch_init(struct mtd_info *mtd)
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{
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return NULL;
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}
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static inline void nand_bch_free(struct nand_bch_control *nbc) {}
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#endif /* CONFIG_NAND_ECC_BCH */
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#endif /* __MTD_NAND_BCH_H__ */
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