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/*
* Copyright (C) 2015 PHYTEC Messtechnik GmbH,
* Author: Stefan Christ <s.christ@phytec.de>
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License as
* published by the Free Software Foundation; either version 2 of
* the License, or (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*/
#ifndef __NAND_MXS_H
#define __NAND_MXS_H
/*
* Functions are definied in drivers/mtd/nand/nand_mxs.c. They are used to
* calculate the ECC Strength, BadBlockMarkerByte and BadBlockMarkerStartBit
* which are placed into the FCB structure. The i.MX6 ROM needs these
* parameters to read the firmware from NAND.
*
* The parameters depends on the pagesize and oobsize of NAND chips and are
* different for each combination. To avoid placing hardcoded values in the bbu
* update handler code, the generic calculation from the driver code is used.
*/
uint32_t mxs_nand_get_ecc_strength(uint32_t page_data_size,
uint32_t page_oob_size);
uint32_t mxs_nand_mark_byte_offset(struct mtd_info *mtd);
uint32_t mxs_nand_mark_bit_offset(struct mtd_info *mtd);
#endif /* __NAND_MXS_H */
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