nand_erase_nand – [INTERN] erase block(s) Synopsis int nand_erase_nand(struct mtd_info *mtd, struct erase_info *instr, int allowbbt); Arguments mtd MTD device structure instr erase instruction allowbbt allow erasing the bbt area Description Erase one ore more blocks. Author Thomas Gleixner <tglx [at] linutronix.de> Author. Copyright
nand_erase – [MTD Interface] erase block(s) Synopsis int nand_erase(struct mtd_info *mtd, struct erase_info *instr); Arguments mtd MTD device structure instr erase instruction Description Erase one ore more blocks. Author Thomas Gleixner <tglx [at] linutronix.de> Author. Copyright
nand_do_write_ops – [INTERN] NAND write with ECC Synopsis int nand_do_write_ops(struct mtd_info *mtd, loff_t to, struct mtd_oob_ops *ops); Arguments mtd MTD device structure to offset to write to ops oob operations description structure Description NAND write with ECC. Author Thomas Gleixner <tglx [at] linutronix.de> Author. Copyright
nand_do_write_oob – [MTD Interface] NAND write out-of-band Synopsis int nand_do_write_oob(struct mtd_info *mtd, loff_t to, struct mtd_oob_ops *ops); Arguments mtd MTD device structure to offset to write to ops oob operation description structure Description NAND write out-of-band. Author Thomas Gleixner <tglx [at] linutronix.de> Author. Copyright
nand_do_read_ops – [INTERN] Read data with ECC Synopsis int nand_do_read_ops(struct mtd_info *mtd, loff_t from, struct mtd_oob_ops *ops); Arguments mtd MTD device structure from offset to read from ops oob ops structure Description Internal function. Called with chip held. Author Thomas Gleixner <tglx [at] linutronix.de> Author. Copyright
nand_do_read_oob – [INTERN] NAND read out-of-band Synopsis int nand_do_read_oob(struct mtd_info *mtd, loff_t from, struct mtd_oob_ops *ops); Arguments mtd MTD device structure from offset to read from ops oob operations description structure Description NAND read out-of-band data from the spare area. Author Thomas Gleixner <tglx [at] linutronix.de> Author. Copyright
nand_default_block_markbad – [DEFAULT] mark a block bad via bad block marker Synopsis int nand_default_block_markbad(struct mtd_info *mtd, loff_t ofs); Arguments mtd MTD device structure ofs offset from device start Description This is the default implementation, which can be overridden by a hardware specific driver. It provides the details for writing a bad block marker to a…
nand_default_bbt – [NAND Interface] Select a default bad block table for the device Synopsis int nand_default_bbt(struct mtd_info *mtd); Arguments mtd MTD device structure Description This function selects the default bad block table support for the device and calls the nand_scan_bbt function. Author Thomas Gleixner <tglx [at] linutronix.de> Author. Copyright
nand_create_badblock_pattern – [INTERN] Creates a BBT descriptor structure Synopsis int nand_create_badblock_pattern(struct nand_chip *this); Arguments this NAND chip to create descriptor for Description This function allocates and initializes a nand_bbt_descr for BBM detection based on the properties of this. The new descriptor is stored in this->badblock_pattern. Thus, this->badblock_pattern should be NULL when passed to this function….
nand_correct_data – [NAND Interface] Detect and correct bit error(s) Synopsis int nand_correct_data(struct mtd_info *mtd, unsigned char *buf, unsigned char *read_ecc, unsigned char *calc_ecc); Arguments mtd MTD block structure buf raw data read from the chip read_ecc ECC from the chip calc_ecc the ECC calculated from raw data Description Detect and correct a 1 bit error…
nand_command_lp – [DEFAULT] Send command to NAND large page device Synopsis void nand_command_lp(struct mtd_info *mtd, unsigned int command, int column, int page_addr); Arguments mtd MTD device structure command the command to be sent column the column address for this command, -1 if none page_addr the page address for this command, -1 if none Description Send…
nand_command – [DEFAULT] Send command to NAND device Synopsis void nand_command(struct mtd_info *mtd, unsigned int command, int column, int page_addr); Arguments mtd MTD device structure command the command to be sent column the column address for this command, -1 if none page_addr the page address for this command, -1 if none Description Send command to…
nand_cleanup – [NAND Interface] Free resources held by the NAND device Synopsis void nand_cleanup(struct nand_chip *chip); Arguments chip NAND chip object Author Thomas Gleixner <tglx [at] linutronix.de> Author. Copyright
nand_check_wp – [GENERIC] check if the chip is write protected Synopsis int nand_check_wp(struct mtd_info *mtd); Arguments mtd MTD device structure Description Check, if the device is write protected. The function expects, that the device is already selected. Author Thomas Gleixner <tglx [at] linutronix.de> Author. Copyright
nand_check_erased_ecc_chunk – check if an ECC chunk contains (almost) only 0xff data Synopsis int nand_check_erased_ecc_chunk(void *data, int datalen, void *ecc, int ecclen, void *extraoob, int extraooblen, int bitflips_threshold); Arguments data data buffer to test datalen data length ecc ECC buffer ecclen ECC length extraoob extra OOB buffer extraooblen extra OOB length bitflips_threshold maximum number of…
nand_check_erased_buf – check if a buffer contains (almost) only 0xff data Synopsis int nand_check_erased_buf(void *buf, int len, int bitflips_threshold); Arguments buf buffer to test len buffer length bitflips_threshold maximum number of bitflips Description Check if a buffer contains only 0xff, which means the underlying region has been erased and is ready to be programmed. The…
nand_calculate_ecc – [NAND Interface] Calculate 3-byte ECC for 256/512-byte block Synopsis int nand_calculate_ecc(struct mtd_info *mtd, const unsigned char *buf, unsigned char *code); Arguments mtd MTD block structure buf input buffer with raw data code output buffer with ECC Author Thomas Gleixner <tglx [at] linutronix.de> Author. Copyright
nand_block_markbad_lowlevel – mark a block bad Synopsis int nand_block_markbad_lowlevel(struct mtd_info *mtd, loff_t ofs); Arguments mtd MTD device structure ofs offset from device start Description This function performs the generic NAND bad block marking steps (i.e., bad block table(s) and/or marker(s)). We only allow the hardware driver to specify how to write bad block markers to…
nand_block_markbad – [MTD Interface] Mark block at the given offset as bad Synopsis int nand_block_markbad(struct mtd_info *mtd, loff_t ofs); Arguments mtd MTD device structure ofs offset relative to mtd start Author Thomas Gleixner <tglx [at] linutronix.de> Author. Copyright
nand_block_isreserved – [GENERIC] Check if a block is marked reserved. Synopsis int nand_block_isreserved(struct mtd_info *mtd, loff_t ofs); Arguments mtd MTD device structure ofs offset from device start Description Check if the block is marked as reserved. Author Thomas Gleixner <tglx [at] linutronix.de> Author. Copyright