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https://github.com/AuxXxilium/linux_dsm_epyc7002.git
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f90da7818b
Currently supported bad block marker positions within the block are: * in first page only * in last page only * in first or second page Some ESMT NANDs are known to have been shipped by the manufacturer with bad block markers in the first or last page, instead of the first or second page. Also the datasheets for Cypress/Spansion/AMD NANDs claim that the first, second *and* last page needs to be checked. Therefore we make it possible to set NAND_BBM_FIRSTPAGE, NAND_BBM_SECONDPAGE and NAND_BBM_LASTPAGE independently in any combination. To simplify the code, the logic to evaluate the flags is moved to a a new function nand_bbm_get_next_page(). Signed-off-by: Frieder Schrempf <frieder.schrempf@kontron.de> Reviewed-by: Boris Brezillon <bbrezillon@kernel.org> Signed-off-by: Miquel Raynal <miquel.raynal@bootlin.com>
150 lines
4.8 KiB
C
150 lines
4.8 KiB
C
/* SPDX-License-Identifier: GPL-2.0 */
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/*
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* Copyright (c) 2018 - Bootlin
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*
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* Author: Boris Brezillon <boris.brezillon@bootlin.com>
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*
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* Header containing internal definitions to be used only by core files.
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* NAND controller drivers should not include this file.
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*/
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#ifndef __LINUX_RAWNAND_INTERNALS
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#define __LINUX_RAWNAND_INTERNALS
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#include <linux/mtd/rawnand.h>
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/*
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* NAND Flash Manufacturer ID Codes
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*/
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#define NAND_MFR_AMD 0x01
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#define NAND_MFR_ATO 0x9b
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#define NAND_MFR_EON 0x92
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#define NAND_MFR_ESMT 0xc8
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#define NAND_MFR_FUJITSU 0x04
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#define NAND_MFR_HYNIX 0xad
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#define NAND_MFR_INTEL 0x89
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#define NAND_MFR_MACRONIX 0xc2
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#define NAND_MFR_MICRON 0x2c
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#define NAND_MFR_NATIONAL 0x8f
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#define NAND_MFR_RENESAS 0x07
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#define NAND_MFR_SAMSUNG 0xec
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#define NAND_MFR_SANDISK 0x45
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#define NAND_MFR_STMICRO 0x20
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#define NAND_MFR_TOSHIBA 0x98
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#define NAND_MFR_WINBOND 0xef
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/**
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* struct nand_manufacturer_ops - NAND Manufacturer operations
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* @detect: detect the NAND memory organization and capabilities
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* @init: initialize all vendor specific fields (like the ->read_retry()
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* implementation) if any.
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* @cleanup: the ->init() function may have allocated resources, ->cleanup()
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* is here to let vendor specific code release those resources.
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* @fixup_onfi_param_page: apply vendor specific fixups to the ONFI parameter
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* page. This is called after the checksum is verified.
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*/
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struct nand_manufacturer_ops {
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void (*detect)(struct nand_chip *chip);
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int (*init)(struct nand_chip *chip);
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void (*cleanup)(struct nand_chip *chip);
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void (*fixup_onfi_param_page)(struct nand_chip *chip,
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struct nand_onfi_params *p);
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};
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/**
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* struct nand_manufacturer - NAND Flash Manufacturer structure
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* @name: Manufacturer name
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* @id: manufacturer ID code of device.
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* @ops: manufacturer operations
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*/
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struct nand_manufacturer {
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int id;
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char *name;
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const struct nand_manufacturer_ops *ops;
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};
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extern struct nand_flash_dev nand_flash_ids[];
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extern const struct nand_manufacturer_ops amd_nand_manuf_ops;
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extern const struct nand_manufacturer_ops esmt_nand_manuf_ops;
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extern const struct nand_manufacturer_ops hynix_nand_manuf_ops;
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extern const struct nand_manufacturer_ops macronix_nand_manuf_ops;
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extern const struct nand_manufacturer_ops micron_nand_manuf_ops;
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extern const struct nand_manufacturer_ops samsung_nand_manuf_ops;
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extern const struct nand_manufacturer_ops toshiba_nand_manuf_ops;
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/* Core functions */
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const struct nand_manufacturer *nand_get_manufacturer(u8 id);
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int nand_bbm_get_next_page(struct nand_chip *chip, int page);
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int nand_markbad_bbm(struct nand_chip *chip, loff_t ofs);
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int nand_erase_nand(struct nand_chip *chip, struct erase_info *instr,
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int allowbbt);
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int onfi_fill_data_interface(struct nand_chip *chip,
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enum nand_data_interface_type type,
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int timing_mode);
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int nand_get_features(struct nand_chip *chip, int addr, u8 *subfeature_param);
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int nand_set_features(struct nand_chip *chip, int addr, u8 *subfeature_param);
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int nand_read_page_raw_notsupp(struct nand_chip *chip, u8 *buf,
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int oob_required, int page);
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int nand_write_page_raw_notsupp(struct nand_chip *chip, const u8 *buf,
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int oob_required, int page);
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int nand_exit_status_op(struct nand_chip *chip);
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int nand_read_param_page_op(struct nand_chip *chip, u8 page, void *buf,
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unsigned int len);
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void nand_decode_ext_id(struct nand_chip *chip);
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void panic_nand_wait(struct nand_chip *chip, unsigned long timeo);
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void sanitize_string(uint8_t *s, size_t len);
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static inline bool nand_has_exec_op(struct nand_chip *chip)
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{
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if (!chip->controller || !chip->controller->ops ||
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!chip->controller->ops->exec_op)
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return false;
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return true;
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}
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static inline int nand_exec_op(struct nand_chip *chip,
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const struct nand_operation *op)
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{
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if (!nand_has_exec_op(chip))
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return -ENOTSUPP;
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if (WARN_ON(op->cs >= nanddev_ntargets(&chip->base)))
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return -EINVAL;
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return chip->controller->ops->exec_op(chip, op, false);
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}
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static inline bool nand_has_setup_data_iface(struct nand_chip *chip)
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{
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if (!chip->controller || !chip->controller->ops ||
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!chip->controller->ops->setup_data_interface)
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return false;
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if (chip->options & NAND_KEEP_TIMINGS)
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return false;
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return true;
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}
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/* BBT functions */
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int nand_markbad_bbt(struct nand_chip *chip, loff_t offs);
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int nand_isreserved_bbt(struct nand_chip *chip, loff_t offs);
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int nand_isbad_bbt(struct nand_chip *chip, loff_t offs, int allowbbt);
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/* Legacy */
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void nand_legacy_set_defaults(struct nand_chip *chip);
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void nand_legacy_adjust_cmdfunc(struct nand_chip *chip);
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int nand_legacy_check_hooks(struct nand_chip *chip);
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/* ONFI functions */
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u16 onfi_crc16(u16 crc, u8 const *p, size_t len);
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int nand_onfi_detect(struct nand_chip *chip);
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/* JEDEC functions */
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int nand_jedec_detect(struct nand_chip *chip);
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#endif /* __LINUX_RAWNAND_INTERNALS */
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