// SPDX-License-Identifier: GPL-2.0-or-later /* * Copyright (C) 2017 Free Electrons * Copyright (C) 2017 NextThing Co * * Author: Boris Brezillon <[email protected]> */ #include <linux/slab.h> #include "linux/delay.h" #include "internals.h" #define MACRONIX_READ_RETRY_BIT … #define MACRONIX_NUM_READ_RETRY_MODES … #define ONFI_FEATURE_ADDR_MXIC_PROTECTION … #define MXIC_BLOCK_PROTECTION_ALL_LOCK … #define MXIC_BLOCK_PROTECTION_ALL_UNLOCK … #define ONFI_FEATURE_ADDR_MXIC_RANDOMIZER … #define MACRONIX_RANDOMIZER_BIT … #define MACRONIX_RANDOMIZER_ENPGM … #define MACRONIX_RANDOMIZER_RANDEN … #define MACRONIX_RANDOMIZER_RANDOPT … #define MACRONIX_RANDOMIZER_MODE_ENTER … #define MACRONIX_RANDOMIZER_MODE_EXIT … #define MXIC_CMD_POWER_DOWN … #define ONFI_FEATURE_ADDR_30LFXG18AC_OTP … #define MACRONIX_30LFXG18AC_OTP_START_PAGE … #define MACRONIX_30LFXG18AC_OTP_PAGES … #define MACRONIX_30LFXG18AC_OTP_PAGE_SIZE … #define MACRONIX_30LFXG18AC_OTP_SIZE_BYTES … #define MACRONIX_30LFXG18AC_OTP_EN … struct nand_onfi_vendor_macronix { … } __packed; static int macronix_nand_setup_read_retry(struct nand_chip *chip, int mode) { … } static int macronix_nand_randomizer_check_enable(struct nand_chip *chip) { … } static void macronix_nand_onfi_init(struct nand_chip *chip) { … } /* * Macronix AC series does not support using SET/GET_FEATURES to change * the timings unlike what is declared in the parameter page. Unflag * this feature to avoid unnecessary downturns. */ static void macronix_nand_fix_broken_get_timings(struct nand_chip *chip) { … } /* * Macronix NAND supports Block Protection by Protectoin(PT) pin; * active high at power-on which protects the entire chip even the #WP is * disabled. Lock/unlock protection area can be partition according to * protection bits, i.e. upper 1/2 locked, upper 1/4 locked and so on. */ static int mxic_nand_lock(struct nand_chip *chip, loff_t ofs, uint64_t len) { … } static int mxic_nand_unlock(struct nand_chip *chip, loff_t ofs, uint64_t len) { … } static void macronix_nand_block_protection_support(struct nand_chip *chip) { … } static int nand_power_down_op(struct nand_chip *chip) { … } static int mxic_nand_suspend(struct nand_chip *chip) { … } static void mxic_nand_resume(struct nand_chip *chip) { … } static void macronix_nand_deep_power_down_support(struct nand_chip *chip) { … } static int macronix_30lfxg18ac_get_otp_info(struct mtd_info *mtd, size_t len, size_t *retlen, struct otp_info *buf) { … } static int macronix_30lfxg18ac_otp_enable(struct nand_chip *nand) { … } static int macronix_30lfxg18ac_otp_disable(struct nand_chip *nand) { … } static int __macronix_30lfxg18ac_rw_otp(struct mtd_info *mtd, loff_t offs_in_flash, size_t len, size_t *retlen, u_char *buf, bool write) { … } static int macronix_30lfxg18ac_write_otp(struct mtd_info *mtd, loff_t to, size_t len, size_t *rlen, const u_char *buf) { … } static int macronix_30lfxg18ac_read_otp(struct mtd_info *mtd, loff_t from, size_t len, size_t *rlen, u_char *buf) { … } static int macronix_30lfxg18ac_lock_otp(struct mtd_info *mtd, loff_t from, size_t len) { … } static void macronix_nand_setup_otp(struct nand_chip *chip) { … } static int macronix_nand_init(struct nand_chip *chip) { … } const struct nand_manufacturer_ops macronix_nand_manuf_ops = …;
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