nand_setup_read_retry – [INTERN] Set the READ RETRY mode Synopsis int nand_setup_read_retry(struct mtd_info *mtd, int retry_mode); Arguments mtd MTD device structure retry_mode the retry mode to use Description Some vendors supply a special command to shift the Vt threshold, to be used when there are too many bitflips in a page (i.e., ECC error). After setting…
nand_setup_data_interface – Setup the best data interface and timings Synopsis int nand_setup_data_interface(struct nand_chip *chip); Arguments chip The NAND chip Description Find and configure the best data interface and NAND timings supported by the chip and the driver. First tries to retrieve supported timing modes from ONFI information, and if the NAND chip does not support…
nand_select_chip – [DEFAULT] control CE line Synopsis void nand_select_chip(struct mtd_info *mtd, int chipnr); Arguments mtd MTD device structure chipnr chipnumber to select, -1 for deselect Description Default select function for 1 chip devices. Author Thomas Gleixner <tglx [at] linutronix.de> Author. Copyright
nand_scan_tail – [NAND Interface] Scan for the NAND device Synopsis int nand_scan_tail(struct mtd_info *mtd); Arguments mtd MTD device structure Description This is the second phase of the normal nand_scan function. It fills out all the uninitialized function pointers with the defaults and scans for a bad block table if appropriate. Author Thomas Gleixner <tglx [at]…
nand_scan_ident – [NAND Interface] Scan for the NAND device Synopsis int nand_scan_ident(struct mtd_info *mtd, int maxchips, struct nand_flash_dev *table); Arguments mtd MTD device structure maxchips number of chips to scan for table alternative NAND ID table Description This is the first phase of the normal nand_scan function. It reads the flash ID and sets up…
nand_scan_bbt – [NAND Interface] scan, find, read and maybe create bad block table(s) Synopsis int nand_scan_bbt(struct mtd_info *mtd, struct nand_bbt_descr *bd); Arguments mtd MTD device structure bd descriptor for the good/bad block search pattern Description The function checks, if a bad block table(s) is/are already available. If not it scans the device for manufacturer marked…
nand_scan – [NAND Interface] Scan for the NAND device Synopsis int nand_scan(struct mtd_info *mtd, int maxchips); Arguments mtd MTD device structure maxchips number of chips to scan for Description This fills out all the uninitialized function pointers with the defaults. The flash ID is read and the mtd/chip structures are filled with the appropriate values….
nand_resume – [MTD Interface] Resume the NAND flash Synopsis void nand_resume(struct mtd_info *mtd); Arguments mtd MTD device structure Author Thomas Gleixner <tglx [at] linutronix.de> Author. Copyright
nand_reset_data_interface – Reset data interface and timings Synopsis int nand_reset_data_interface(struct nand_chip *chip); Arguments chip The NAND chip Description Reset the Data interface and timings to ONFI mode 0. Returns 0 for success or negative error code otherwise. Author Thomas Gleixner <tglx [at] linutronix.de> Author. Copyright
nand_reset – Reset and initialize a NAND device Synopsis int nand_reset(struct nand_chip *chip, int chipnr); Arguments chip The NAND chip chipnr Internal die id Description Returns 0 for success or negative error code otherwise Author Thomas Gleixner <tglx [at] linutronix.de> Author. Copyright
nand_release_device – [GENERIC] release chip Synopsis void nand_release_device(struct mtd_info *mtd); Arguments mtd MTD device structure Description Release chip lock and wake up anyone waiting on the device. Author Thomas Gleixner <tglx [at] linutronix.de> Author. Copyright
nand_release – [NAND Interface] Unregister the MTD device and free resources held by the NAND device Synopsis void nand_release(struct mtd_info *mtd); Arguments mtd MTD device structure Author Thomas Gleixner <tglx [at] linutronix.de> Author. Copyright
nand_read_word – [DEFAULT] read one word from the chip Synopsis u16 nand_read_word(struct mtd_info * mtd); Arguments mtd MTD device structure Description Default read function for 16bit buswidth without endianness conversion. Author Thomas Gleixner <tglx [at] linutronix.de> Author. Copyright
nand_read_subpage – [REPLACEABLE] ECC based sub-page read function Synopsis int nand_read_subpage(struct mtd_info *mtd, struct nand_chip *chip, uint32_t data_offs, uint32_t readlen, uint8_t *bufpoi, int page); Arguments mtd mtd info structure chip nand chip info structure data_offs offset of requested data within the page readlen data length bufpoi buffer to store read data page page number to…
nand_read_page_syndrome – [REPLACEABLE] hardware ECC syndrome based page read Synopsis int nand_read_page_syndrome(struct mtd_info *mtd, struct nand_chip *chip, uint8_t *buf, int oob_required, int page); Arguments mtd mtd info structure chip nand chip info structure buf buffer to store read data oob_required caller requires OOB data read to chip->oob_poi page page number to read Description The hw…
nand_read_page_swecc – [REPLACEABLE] software ECC based page read function Synopsis int nand_read_page_swecc(struct mtd_info *mtd, struct nand_chip *chip, uint8_t *buf, int oob_required, int page); Arguments mtd mtd info structure chip nand chip info structure buf buffer to store read data oob_required caller requires OOB data read to chip->oob_poi page page number to read Author Thomas Gleixner…
nand_read_page_raw_syndrome – [INTERN] read raw page data without ecc Synopsis int nand_read_page_raw_syndrome(struct mtd_info *mtd, struct nand_chip *chip, uint8_t *buf, int oob_required, int page); Arguments mtd mtd info structure chip nand chip info structure buf buffer to store read data oob_required caller requires OOB data read to chip->oob_poi page page number to read Description We need…
nand_read_page_raw – [INTERN] read raw page data without ecc Synopsis int nand_read_page_raw(struct mtd_info *mtd, struct nand_chip *chip, uint8_t *buf, int oob_required, int page); Arguments mtd mtd info structure chip nand chip info structure buf buffer to store read data oob_required caller requires OOB data read to chip->oob_poi page page number to read Description Not for…
nand_read_page_hwecc_oob_first – [REPLACEABLE] hw ecc, read oob first Synopsis int nand_read_page_hwecc_oob_first(struct mtd_info *mtd, struct nand_chip *chip, uint8_t *buf, int oob_required, int page); Arguments mtd mtd info structure chip nand chip info structure buf buffer to store read data oob_required caller requires OOB data read to chip->oob_poi page page number to read Description Hardware ECC for…
nand_read_page_hwecc – [REPLACEABLE] hardware ECC based page read function Synopsis int nand_read_page_hwecc(struct mtd_info *mtd, struct nand_chip *chip, uint8_t *buf, int oob_required, int page); Arguments mtd mtd info structure chip nand chip info structure buf buffer to store read data oob_required caller requires OOB data read to chip->oob_poi page page number to read Description Not for…