diff options
| -rw-r--r-- | drivers/mtd/nand/raw/internals.h | 98 | ||||
| -rw-r--r-- | drivers/mtd/nand/raw/nand_amd.c | 2 | ||||
| -rw-r--r-- | drivers/mtd/nand/raw/nand_base.c | 21 | ||||
| -rw-r--r-- | drivers/mtd/nand/raw/nand_bbt.c | 3 | ||||
| -rw-r--r-- | drivers/mtd/nand/raw/nand_hynix.c | 3 | ||||
| -rw-r--r-- | drivers/mtd/nand/raw/nand_ids.c | 4 | ||||
| -rw-r--r-- | drivers/mtd/nand/raw/nand_macronix.c | 2 | ||||
| -rw-r--r-- | drivers/mtd/nand/raw/nand_micron.c | 3 | ||||
| -rw-r--r-- | drivers/mtd/nand/raw/nand_samsung.c | 2 | ||||
| -rw-r--r-- | drivers/mtd/nand/raw/nand_timings.c | 4 | ||||
| -rw-r--r-- | drivers/mtd/nand/raw/nand_toshiba.c | 2 | ||||
| -rw-r--r-- | include/linux/mtd/rawnand.h | 96 |
12 files changed, 123 insertions, 117 deletions
diff --git a/drivers/mtd/nand/raw/internals.h b/drivers/mtd/nand/raw/internals.h new file mode 100644 index 000000000000..1d2edddb6127 --- /dev/null +++ b/drivers/mtd/nand/raw/internals.h @@ -0,0 +1,98 @@ +/* SPDX-License-Identifier: GPL-2.0 */ +/* + * Copyright (c) 2018 - Bootlin + * + * Author: Boris Brezillon <boris.brezillon@bootlin.com> + * + * Header containing internal definitions to be used only by core files. + * NAND controller drivers should not include this file. + */ + +#ifndef __LINUX_RAWNAND_INTERNALS +#define __LINUX_RAWNAND_INTERNALS + +#include <linux/mtd/rawnand.h> + +/* + * NAND Flash Manufacturer ID Codes + */ +#define NAND_MFR_TOSHIBA 0x98 +#define NAND_MFR_ESMT 0xc8 +#define NAND_MFR_SAMSUNG 0xec +#define NAND_MFR_FUJITSU 0x04 +#define NAND_MFR_NATIONAL 0x8f +#define NAND_MFR_RENESAS 0x07 +#define NAND_MFR_STMICRO 0x20 +#define NAND_MFR_HYNIX 0xad +#define NAND_MFR_MICRON 0x2c +#define NAND_MFR_AMD 0x01 +#define NAND_MFR_MACRONIX 0xc2 +#define NAND_MFR_EON 0x92 +#define NAND_MFR_SANDISK 0x45 +#define NAND_MFR_INTEL 0x89 +#define NAND_MFR_ATO 0x9b +#define NAND_MFR_WINBOND 0xef + +/** + * struct nand_manufacturer_ops - NAND Manufacturer operations + * @detect: detect the NAND memory organization and capabilities + * @init: initialize all vendor specific fields (like the ->read_retry() + * implementation) if any. + * @cleanup: the ->init() function may have allocated resources, ->cleanup() + * is here to let vendor specific code release those resources. + * @fixup_onfi_param_page: apply vendor specific fixups to the ONFI parameter + * page. This is called after the checksum is verified. + */ +struct nand_manufacturer_ops { + void (*detect)(struct nand_chip *chip); + int (*init)(struct nand_chip *chip); + void (*cleanup)(struct nand_chip *chip); + void (*fixup_onfi_param_page)(struct nand_chip *chip, + struct nand_onfi_params *p); +}; + +/** + * struct nand_manufacturer - NAND Flash Manufacturer structure + * @name: Manufacturer name + * @id: manufacturer ID code of device. + * @ops: manufacturer operations + */ +struct nand_manufacturer { + int id; + char *name; + const struct nand_manufacturer_ops *ops; +}; + + +extern struct nand_flash_dev nand_flash_ids[]; + +extern const struct nand_manufacturer_ops toshiba_nand_manuf_ops; +extern const struct nand_manufacturer_ops samsung_nand_manuf_ops; +extern const struct nand_manufacturer_ops hynix_nand_manuf_ops; +extern const struct nand_manufacturer_ops micron_nand_manuf_ops; +extern const struct nand_manufacturer_ops amd_nand_manuf_ops; +extern const struct nand_manufacturer_ops macronix_nand_manuf_ops; + +/* Core functions */ +const struct nand_manufacturer *nand_get_manufacturer(u8 id); +int nand_markbad_bbm(struct nand_chip *chip, loff_t ofs); +int nand_erase_nand(struct nand_chip *chip, struct erase_info *instr, + int allowbbt); +int onfi_fill_data_interface(struct nand_chip *chip, + enum nand_data_interface_type type, + int timing_mode); +int nand_get_features(struct nand_chip *chip, int addr, u8 *subfeature_param); +int nand_set_features(struct nand_chip *chip, int addr, u8 *subfeature_param); +int nand_read_page_raw_notsupp(struct nand_chip *chip, u8 *buf, + int oob_required, int page); +int nand_write_page_raw_notsupp(struct nand_chip *chip, const u8 *buf, + int oob_required, int page); +int nand_exit_status_op(struct nand_chip *chip); +void nand_decode_ext_id(struct nand_chip *chip); + +/* BBT functions */ +int nand_markbad_bbt(struct nand_chip *chip, loff_t offs); +int nand_isreserved_bbt(struct nand_chip *chip, loff_t offs); +int nand_isbad_bbt(struct nand_chip *chip, loff_t offs, int allowbbt); + +#endif /* __LINUX_RAWNAND_INTERNALS */ diff --git a/drivers/mtd/nand/raw/nand_amd.c b/drivers/mtd/nand/raw/nand_amd.c index 22f060f38123..890c5b43e03c 100644 --- a/drivers/mtd/nand/raw/nand_amd.c +++ b/drivers/mtd/nand/raw/nand_amd.c @@ -15,7 +15,7 @@ * GNU General Public License for more details. */ -#include <linux/mtd/rawnand.h> +#include "internals.h" static void amd_nand_decode_id(struct nand_chip *chip) { diff --git a/drivers/mtd/nand/raw/nand_base.c b/drivers/mtd/nand/raw/nand_base.c index 136ccdc61a06..d48c588d1abe 100644 --- a/drivers/mtd/nand/raw/nand_base.c +++ b/drivers/mtd/nand/raw/nand_base.c @@ -39,7 +39,6 @@ #include <linux/nmi.h> #include <linux/types.h> #include <linux/mtd/mtd.h> -#include <linux/mtd/rawnand.h> #include <linux/mtd/nand_ecc.h> #include <linux/mtd/nand_bch.h> #include <linux/interrupt.h> @@ -48,6 +47,8 @@ #include <linux/mtd/partitions.h> #include <linux/of.h> +#include "internals.h" + static int nand_get_device(struct mtd_info *mtd, int new_state); static int nand_do_write_oob(struct mtd_info *mtd, loff_t to, @@ -1319,7 +1320,6 @@ static int nand_init_data_interface(struct nand_chip *chip) modes = GENMASK(chip->onfi_timing_mode_default, 0); } - for (mode = fls(modes) - 1; mode >= 0; mode--) { ret = onfi_fill_data_interface(chip, NAND_SDR_IFACE, mode); if (ret) @@ -2043,7 +2043,6 @@ int nand_exit_status_op(struct nand_chip *chip) return 0; } -EXPORT_SYMBOL_GPL(nand_exit_status_op); /** * nand_erase_op - Do an erase operation @@ -2816,7 +2815,6 @@ int nand_get_features(struct nand_chip *chip, int addr, return nand_get_features_op(chip, addr, subfeature_param); } -EXPORT_SYMBOL_GPL(nand_get_features); /** * nand_set_features - wrapper to perform a SET_FEATURE @@ -2838,7 +2836,6 @@ int nand_set_features(struct nand_chip *chip, int addr, return nand_set_features_op(chip, addr, subfeature_param); } -EXPORT_SYMBOL_GPL(nand_set_features); /** * nand_check_erased_buf - check if a buffer contains (almost) only 0xff data @@ -2985,7 +2982,6 @@ int nand_read_page_raw_notsupp(struct nand_chip *chip, u8 *buf, { return -ENOTSUPP; } -EXPORT_SYMBOL(nand_read_page_raw_notsupp); /** * nand_read_page_raw - [INTERN] read raw page data without ecc @@ -3729,7 +3725,7 @@ EXPORT_SYMBOL(nand_read_oob_std); * @chip: nand chip info structure * @page: page number to read */ -int nand_read_oob_syndrome(struct nand_chip *chip, int page) +static int nand_read_oob_syndrome(struct nand_chip *chip, int page) { struct mtd_info *mtd = nand_to_mtd(chip); int length = mtd->oobsize; @@ -3776,7 +3772,6 @@ int nand_read_oob_syndrome(struct nand_chip *chip, int page) return 0; } -EXPORT_SYMBOL(nand_read_oob_syndrome); /** * nand_write_oob_std - [REPLACEABLE] the most common OOB data write function @@ -3798,7 +3793,7 @@ EXPORT_SYMBOL(nand_write_oob_std); * @chip: nand chip info structure * @page: page number to write */ -int nand_write_oob_syndrome(struct nand_chip *chip, int page) +static int nand_write_oob_syndrome(struct nand_chip *chip, int page) { struct mtd_info *mtd = nand_to_mtd(chip); int chunk = chip->ecc.bytes + chip->ecc.prepad + chip->ecc.postpad; @@ -3864,7 +3859,6 @@ int nand_write_oob_syndrome(struct nand_chip *chip, int page) return nand_prog_page_end_op(chip); } -EXPORT_SYMBOL(nand_write_oob_syndrome); /** * nand_do_read_oob - [INTERN] NAND read out-of-band @@ -3989,7 +3983,6 @@ int nand_write_page_raw_notsupp(struct nand_chip *chip, const u8 *buf, { return -ENOTSUPP; } -EXPORT_SYMBOL(nand_write_page_raw_notsupp); /** * nand_write_page_raw - [INTERN] raw page write function @@ -5579,6 +5572,12 @@ static void nand_manufacturer_cleanup(struct nand_chip *chip) chip->manufacturer.desc->ops->cleanup(chip); } +static const char * +nand_manufacturer_name(const struct nand_manufacturer *manufacturer) +{ + return manufacturer ? manufacturer->name : "Unknown"; +} + /* * Get the flash and manufacturer id and lookup if the type is supported. */ diff --git a/drivers/mtd/nand/raw/nand_bbt.c b/drivers/mtd/nand/raw/nand_bbt.c index b838ecdde8fb..98a826838b60 100644 --- a/drivers/mtd/nand/raw/nand_bbt.c +++ b/drivers/mtd/nand/raw/nand_bbt.c @@ -61,13 +61,14 @@ #include <linux/types.h> #include <linux/mtd/mtd.h> #include <linux/mtd/bbm.h> -#include <linux/mtd/rawnand.h> #include <linux/bitops.h> #include <linux/delay.h> #include <linux/vmalloc.h> #include <linux/export.h> #include <linux/string.h> +#include "internals.h" + #define BBT_BLOCK_GOOD 0x00 #define BBT_BLOCK_WORN 0x01 #define BBT_BLOCK_RESERVED 0x02 diff --git a/drivers/mtd/nand/raw/nand_hynix.c b/drivers/mtd/nand/raw/nand_hynix.c index 7eec0d96909a..ac1b5c103968 100644 --- a/drivers/mtd/nand/raw/nand_hynix.c +++ b/drivers/mtd/nand/raw/nand_hynix.c @@ -15,10 +15,11 @@ * GNU General Public License for more details. */ -#include <linux/mtd/rawnand.h> #include <linux/sizes.h> #include <linux/slab.h> +#include "internals.h" + #define NAND_HYNIX_CMD_SET_PARAMS 0x36 #define NAND_HYNIX_CMD_APPLY_PARAMS 0x16 diff --git a/drivers/mtd/nand/raw/nand_ids.c b/drivers/mtd/nand/raw/nand_ids.c index 5423c3bb388e..12d39ccd1cff 100644 --- a/drivers/mtd/nand/raw/nand_ids.c +++ b/drivers/mtd/nand/raw/nand_ids.c @@ -6,9 +6,11 @@ * published by the Free Software Foundation. * */ -#include <linux/mtd/rawnand.h> + #include <linux/sizes.h> +#include "internals.h" + #define LP_OPTIONS 0 #define LP_OPTIONS16 (LP_OPTIONS | NAND_BUSWIDTH_16) diff --git a/drivers/mtd/nand/raw/nand_macronix.c b/drivers/mtd/nand/raw/nand_macronix.c index 49c546c97c6f..358dcc957bb2 100644 --- a/drivers/mtd/nand/raw/nand_macronix.c +++ b/drivers/mtd/nand/raw/nand_macronix.c @@ -15,7 +15,7 @@ * GNU General Public License for more details. */ -#include <linux/mtd/rawnand.h> +#include "internals.h" /* * Macronix AC series does not support using SET/GET_FEATURES to change diff --git a/drivers/mtd/nand/raw/nand_micron.c b/drivers/mtd/nand/raw/nand_micron.c index 1a5505ccbe54..b85e1c13b79e 100644 --- a/drivers/mtd/nand/raw/nand_micron.c +++ b/drivers/mtd/nand/raw/nand_micron.c @@ -15,9 +15,10 @@ * GNU General Public License for more details. */ -#include <linux/mtd/rawnand.h> #include <linux/slab.h> +#include "internals.h" + /* * Special Micron status bit 3 indicates that the block has been * corrected by on-die ECC and should be rewritten. diff --git a/drivers/mtd/nand/raw/nand_samsung.c b/drivers/mtd/nand/raw/nand_samsung.c index ef022f62f74c..e46d4c492ad8 100644 --- a/drivers/mtd/nand/raw/nand_samsung.c +++ b/drivers/mtd/nand/raw/nand_samsung.c @@ -15,7 +15,7 @@ * GNU General Public License for more details. */ -#include <linux/mtd/rawnand.h> +#include "internals.h" static void samsung_nand_decode_id(struct nand_chip *chip) { diff --git a/drivers/mtd/nand/raw/nand_timings.c b/drivers/mtd/nand/raw/nand_timings.c index cb4f0007b65c..bea3062d71d6 100644 --- a/drivers/mtd/nand/raw/nand_timings.c +++ b/drivers/mtd/nand/raw/nand_timings.c @@ -11,7 +11,8 @@ #include <linux/kernel.h> #include <linux/err.h> #include <linux/export.h> -#include <linux/mtd/rawnand.h> + +#include "internals.h" #define ONFI_DYN_TIMING_MAX U16_MAX @@ -325,4 +326,3 @@ int onfi_fill_data_interface(struct nand_chip *chip, return 0; } -EXPORT_SYMBOL(onfi_fill_data_interface); diff --git a/drivers/mtd/nand/raw/nand_toshiba.c b/drivers/mtd/nand/raw/nand_toshiba.c index 952fe9e62ab4..941ddc615190 100644 --- a/drivers/mtd/nand/raw/nand_toshiba.c +++ b/drivers/mtd/nand/raw/nand_toshiba.c @@ -15,7 +15,7 @@ * GNU General Public License for more details. */ -#include <linux/mtd/rawnand.h> +#include "internals.h" /* Bit for detecting BENAND */ #define TOSHIBA_NAND_ID4_IS_BENAND BIT(7) diff --git a/include/linux/mtd/rawnand.h b/include/linux/mtd/rawnand.h index 7f0e3dc222ed..fbe7686cfc59 100644 --- a/include/linux/mtd/rawnand.h +++ b/include/linux/mtd/rawnand.h @@ -776,24 +776,6 @@ nand_get_sdr_timings(const struct nand_data_interface *conf) } /** - * struct nand_manufacturer_ops - NAND Manufacturer operations - * @detect: detect the NAND memory organization and capabilities - * @init: initialize all vendor specific fields (like the ->read_retry() - * implementation) if any. - * @cleanup: the ->init() function may have allocated resources, ->cleanup() - * is here to let vendor specific code release those resources. - * @fixup_onfi_param_page: apply vendor specific fixups to the ONFI parameter - * page. This is called after the checksum is verified. - */ -struct nand_manufacturer_ops { - void (*detect)(struct nand_chip *chip); - int (*init)(struct nand_chip *chip); - void (*cleanup)(struct nand_chip *chip); - void (*fixup_onfi_param_page)(struct nand_chip *chip, - struct nand_onfi_params *p); -}; - -/** * struct nand_op_cmd_instr - Definition of a command instruction * @opcode: the command to issue in one cycle */ @@ -1404,27 +1386,6 @@ static inline void *nand_get_manufacturer_data(struct nand_chip *chip) } /* - * NAND Flash Manufacturer ID Codes - */ -#define NAND_MFR_TOSHIBA 0x98 -#define NAND_MFR_ESMT 0xc8 -#define NAND_MFR_SAMSUNG 0xec -#define NAND_MFR_FUJITSU 0x04 -#define NAND_MFR_NATIONAL 0x8f -#define NAND_MFR_RENESAS 0x07 -#define NAND_MFR_STMICRO 0x20 -#define NAND_MFR_HYNIX 0xad -#define NAND_MFR_MICRON 0x2c -#define NAND_MFR_AMD 0x01 -#define NAND_MFR_MACRONIX 0xc2 -#define NAND_MFR_EON 0x92 -#define NAND_MFR_SANDISK 0x45 -#define NAND_MFR_INTEL 0x89 -#define NAND_MFR_ATO 0x9b -#define NAND_MFR_WINBOND 0xef - - -/* * A helper for defining older NAND chips where the second ID byte fully * defined the chip, including the geometry (chip size, eraseblock size, page * size). All these chips have 512 bytes NAND page size. @@ -1503,46 +1464,7 @@ struct nand_flash_dev { int onfi_timing_mode_default; }; -/** - * struct nand_manufacturer - NAND Flash Manufacturer structure - * @name: Manufacturer name - * @id: manufacturer ID code of device. - * @ops: manufacturer operations -*/ -struct nand_manufacturer { - int id; - char *name; - const struct nand_manufacturer_ops *ops; -}; - -const struct nand_manufacturer *nand_get_manufacturer(u8 id); - -static inline const char * -nand_manufacturer_name(const struct nand_manufacturer *manufacturer) -{ - return manufacturer ? manufacturer->name : "Unknown"; -} - -extern struct nand_flash_dev nand_flash_ids[]; - -extern const struct nand_manufacturer_ops toshiba_nand_manuf_ops; -extern const struct nand_manufacturer_ops samsung_nand_manuf_ops; -extern const struct nand_manufacturer_ops hynix_nand_manuf_ops; -extern const struct nand_manufacturer_ops micron_nand_manuf_ops; -extern const struct nand_manufacturer_ops amd_nand_manuf_ops; -extern const struct nand_manufacturer_ops macronix_nand_manuf_ops; - int nand_create_bbt(struct nand_chip *chip); -int nand_markbad_bbt(struct nand_chip *chip, loff_t offs); -int nand_markbad_bbm(struct nand_chip *chip, loff_t ofs); -int nand_isreserved_bbt(struct nand_chip *chip, loff_t offs); -int nand_isbad_bbt(struct nand_chip *chip, loff_t offs, int allowbbt); -int nand_erase_nand(struct nand_chip *chip, struct erase_info *instr, - int allowbbt); - -int onfi_fill_data_interface(struct nand_chip *chip, - enum nand_data_interface_type type, - int timing_mode); /* * Check if it is a SLC nand. @@ -1574,7 +1496,6 @@ static inline int nand_opcode_8bits(unsigned int command) return 0; } - int nand_check_erased_ecc_chunk(void *data, int datalen, void *ecc, int ecclen, void *extraoob, int extraooblen, @@ -1586,18 +1507,9 @@ int nand_ecc_choose_conf(struct nand_chip *chip, /* Default write_oob implementation */ int nand_write_oob_std(struct nand_chip *chip, int page); -/* Default write_oob syndrome implementation */ -int nand_write_oob_syndrome(struct nand_chip *chip, int page); - /* Default read_oob implementation */ int nand_read_oob_std(struct nand_chip *chip, int page); -/* Default read_oob syndrome implementation */ -int nand_read_oob_syndrome(struct nand_chip *chip, int page); - -/* Wrapper to use in order for controllers/vendors to GET/SET FEATURES */ -int nand_get_features(struct nand_chip *chip, int addr, u8 *subfeature_param); -int nand_set_features(struct nand_chip *chip, int addr, u8 *subfeature_param); /* Stub used by drivers that do not support GET/SET FEATURES operations */ int nand_get_set_features_notsupp(struct nand_chip *chip, int addr, u8 *subfeature_param); @@ -1605,14 +1517,10 @@ int nand_get_set_features_notsupp(struct nand_chip *chip, int addr, /* Default read_page_raw implementation */ int nand_read_page_raw(struct nand_chip *chip, uint8_t *buf, int oob_required, int page); -int nand_read_page_raw_notsupp(struct nand_chip *chip, u8 *buf, - int oob_required, int page); /* Default write_page_raw implementation */ int nand_write_page_raw(struct nand_chip *chip, const uint8_t *buf, int oob_required, int page); -int nand_write_page_raw_notsupp(struct nand_chip *chip, const u8 *buf, - int oob_required, int page); /* Reset and initialize a NAND device */ int nand_reset(struct nand_chip *chip, int chipnr); @@ -1622,7 +1530,6 @@ int nand_reset_op(struct nand_chip *chip); int nand_readid_op(struct nand_chip *chip, u8 addr, void *buf, unsigned int len); int nand_status_op(struct nand_chip *chip, u8 *status); -int nand_exit_status_op(struct nand_chip *chip); int nand_erase_op(struct nand_chip *chip, unsigned int eraseblock); int nand_read_page_op(struct nand_chip *chip, unsigned int page, unsigned int offset_in_page, void *buf, unsigned int len); @@ -1666,9 +1573,6 @@ void nand_cleanup(struct nand_chip *chip); /* Unregister the MTD device and calls nand_cleanup() */ void nand_release(struct nand_chip *chip); -/* Default extended ID decoding function */ -void nand_decode_ext_id(struct nand_chip *chip); - /* * External helper for controller drivers that have to implement the WAITRDY * instruction and have no physical pin to check it. |