nand/spi/micron.c

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
51 		return -ERANGE;  in micron_8_ooblayout_ecc()
53 	region->offset = mtd->oobsize / 2;  in micron_8_ooblayout_ecc()
54 	region->length = mtd->oobsize / 2;  in micron_8_ooblayout_ecc()
63 		return -ERANGE;  in micron_8_ooblayout_free()
66 	region->offset = 2;  in micron_8_ooblayout_free()
67 	region->length = (mtd->oobsize / 2) - 2;  in micron_8_ooblayout_free()
81 						      spinand->scratchbuf);  in micron_select_target()
84 		return -EINVAL;  in micron_select_target()
86 	*spinand->scratchbuf = MICRON_SELECT_DIE(target);  in micron_select_target()
88 	return spi_mem_exec_op(spinand->spimem, &op);  in micron_select_target()
99 		return -EBADMSG;  in micron_8_ecc_get_status()
114 	return -EINVAL;  in micron_8_ecc_get_status()
121 		     NAND_MEMORG(1, 2048, 128, 64, 2048, 40, 2, 1, 1),
132 		     NAND_MEMORG(1, 2048, 128, 64, 2048, 40, 2, 1, 1),
177 		     NAND_MEMORG(1, 4096, 256, 64, 2048, 40, 1, 1, 1),
188 		     NAND_MEMORG(1, 4096, 256, 64, 2048, 40, 1, 1, 1),
199 		     NAND_MEMORG(1, 4096, 256, 64, 2048, 40, 1, 1, 2),
211 		     NAND_MEMORG(1, 4096, 256, 64, 2048, 40, 1, 1, 2),
225 	 * M70A device series enable Continuous Read feature at Power-up,  in micron_spinand_init()
226 	 * which is not supported. Disable this bit to avoid any possible  in micron_spinand_init()
229 	if (spinand->flags & SPINAND_HAS_CR_FEAT_BIT)  in micron_spinand_init()