1 // SPDX-License-Identifier: GPL-2.0
3  * Copyright (c) 2016-2017 Micron Technology, Inc.
21 #define MICRON_CFG_CR			BIT(0)
24  * As per datasheet, die selection is done by the 6th bit of Die
64 		return -ERANGE;  in micron_8_ooblayout_ecc()
66 	region->offset = mtd->oobsize / 2;  in micron_8_ooblayout_ecc()
67 	region->length = mtd->oobsize / 2;  in micron_8_ooblayout_ecc()
76 		return -ERANGE;  in micron_8_ooblayout_free()
79 	region->offset = 2;  in micron_8_ooblayout_free()
80 	region->length = (mtd->oobsize / 2) - 2;  in micron_8_ooblayout_free()
95 	if (section >= spinand->base.memorg.pagesize /  in micron_4_ooblayout_ecc()
96 			mtd->ecc_step_size)  in micron_4_ooblayout_ecc()
97 		return -ERANGE;  in micron_4_ooblayout_ecc()
99 	region->offset = (section * 16) + 8;  in micron_4_ooblayout_ecc()
100 	region->length = 8;  in micron_4_ooblayout_ecc()
110 	if (section >= spinand->base.memorg.pagesize /  in micron_4_ooblayout_free()
111 			mtd->ecc_step_size)  in micron_4_ooblayout_free()
112 		return -ERANGE;  in micron_4_ooblayout_free()
115 		region->offset = 16 * section;  in micron_4_ooblayout_free()
116 		region->length = 8;  in micron_4_ooblayout_free()
119 		region->offset = 2;  in micron_4_ooblayout_free()
120 		region->length = 6;  in micron_4_ooblayout_free()
135 						      spinand->scratchbuf);  in micron_select_target()
138 		return -EINVAL;  in micron_select_target()
140 	*spinand->scratchbuf = MICRON_SELECT_DIE(target);  in micron_select_target()
142 	return spi_mem_exec_op(spinand->spimem, &op);  in micron_select_target()
153 		return -EBADMSG;  in micron_8_ecc_get_status()
168 	return -EINVAL;  in micron_8_ecc_get_status()
175 		     NAND_MEMORG(1, 2048, 128, 64, 2048, 40, 2, 1, 1),
186 		     NAND_MEMORG(1, 2048, 128, 64, 2048, 40, 2, 1, 1),
231 		     NAND_MEMORG(1, 4096, 256, 64, 2048, 40, 1, 1, 1),
242 		     NAND_MEMORG(1, 4096, 256, 64, 2048, 40, 1, 1, 1),
253 		     NAND_MEMORG(1, 4096, 256, 64, 2048, 40, 1, 1, 2),
265 		     NAND_MEMORG(1, 4096, 256, 64, 2048, 40, 1, 1, 2),
289 	 * M70A device series enable Continuous Read feature at Power-up,  in micron_spinand_init()
290 	 * which is not supported. Disable this bit to avoid any possible  in micron_spinand_init()
293 	if (spinand->flags & SPINAND_HAS_CR_FEAT_BIT)  in micron_spinand_init()