1 // SPDX-License-Identifier: GPL-2.0
3  * Copyright (c) 2016-2017 Micron Technology, Inc.
12 #include <linux/spi/spi-mem.h>
70 		return -ERANGE;  in micron_8_ooblayout_ecc()
72 	region->offset = mtd->oobsize / 2;  in micron_8_ooblayout_ecc()
73 	region->length = mtd->oobsize / 2;  in micron_8_ooblayout_ecc()
82 		return -ERANGE;  in micron_8_ooblayout_free()
85 	region->offset = 2;  in micron_8_ooblayout_free()
86 	region->length = (mtd->oobsize / 2) - 2;  in micron_8_ooblayout_free()
101 	if (section >= spinand->base.memorg.pagesize /  in micron_4_ooblayout_ecc()
102 			mtd->ecc_step_size)  in micron_4_ooblayout_ecc()
103 		return -ERANGE;  in micron_4_ooblayout_ecc()
105 	region->offset = (section * 16) + 8;  in micron_4_ooblayout_ecc()
106 	region->length = 8;  in micron_4_ooblayout_ecc()
116 	if (section >= spinand->base.memorg.pagesize /  in micron_4_ooblayout_free()
117 			mtd->ecc_step_size)  in micron_4_ooblayout_free()
118 		return -ERANGE;  in micron_4_ooblayout_free()
121 		region->offset = 16 * section;  in micron_4_ooblayout_free()
122 		region->length = 8;  in micron_4_ooblayout_free()
125 		region->offset = 2;  in micron_4_ooblayout_free()
126 		region->length = 6;  in micron_4_ooblayout_free()
141 						      spinand->scratchbuf);  in micron_select_target()
144 		return -EINVAL;  in micron_select_target()
146 	*spinand->scratchbuf = MICRON_SELECT_DIE(target);  in micron_select_target()
148 	return spi_mem_exec_op(spinand->spimem, &op);  in micron_select_target()
159 		return -EBADMSG;  in micron_8_ecc_get_status()
174 	return -EINVAL;  in micron_8_ecc_get_status()
186 		return -ENOMEM;  in mt29f2g01abagd_otp_is_locked()
198 		dev_warn(&spinand_to_mtd(spinand)->dev,  in mt29f2g01abagd_otp_is_locked()
199 			 "Can not disable OTP mode\n");  in mt29f2g01abagd_otp_is_locked()
200 		ret = -EIO;  in mt29f2g01abagd_otp_is_locked()
206 	/* If all zeros, then the OTP area is locked. */  in mt29f2g01abagd_otp_is_locked()
217 				   bool user)  in mt29f2g01abagd_otp_info()  argument
222 		return -EINVAL;  in mt29f2g01abagd_otp_info()
228 	buf->locked = locked;  in mt29f2g01abagd_otp_info()
229 	buf->start = 0;  in mt29f2g01abagd_otp_info()
230 	buf->length = user ? spinand_user_otp_size(spinand) :  in mt29f2g01abagd_otp_info()
265 	ret = spi_mem_exec_op(spinand->spimem, &write_op);  in mt29f2g01abagd_otp_lock()
269 	ret = spi_mem_exec_op(spinand->spimem, &exec_op);  in mt29f2g01abagd_otp_lock()
278 		ret = -EIO;  in mt29f2g01abagd_otp_lock()
282 		dev_warn(&spinand_to_mtd(spinand)->dev,  in mt29f2g01abagd_otp_lock()
283 			 "Can not disable OTP mode\n");  in mt29f2g01abagd_otp_lock()
284 		ret = -EIO;  in mt29f2g01abagd_otp_lock()
422 	 * M70A device series enable Continuous Read feature at Power-up,  in micron_spinand_init()
426 	if (spinand->flags & SPINAND_HAS_CR_FEAT_BIT)  in micron_spinand_init()