/* * Copyright (c) 2023, ArtInChip Technology Co., Ltd * * SPDX-License-Identifier: Apache-2.0 * * Authors: xuan.wen */ #include "inc/spinand.h" #include "inc/manufacturer.h" #define SPINAND_MFR_MICRON 0x2c struct spi_nand_cmd_cfg micron_cmd_cfg_table[] = { /*opcode opcode_bits addr_bytes addr_bits dummy_bytes data_nbits*/ { SPINAND_CMD_READ_FROM_CACHE, 1, 2, 1, 1, 1 }, { SPINAND_CMD_READ_FROM_CACHE_X2, 1, 2, 1, 1, 2 }, { SPINAND_CMD_READ_FROM_CACHE_X4, 1, 2, 1, 1, 4 }, { SPINAND_CMD_PROG_LOAD, 1, 2, 1, 0, 1 }, { SPINAND_CMD_PROG_LOAD_X4, 1, 2, 1, 0, 4 }, { SPINAND_CMD_END }, }; const struct aic_spinand_info micron_spinand_table[] = { /*devid page_size oob_size block_per_lun pages_per_eraseblock is_die_select*/ /*MT29F1G01ABAFD*/ { 0x14, 2048, 128, 1024, 64, 0, "micron 128MB: 2048+128@64@1024", micron_cmd_cfg_table }, /*MT29F2G01ABAGD*/ { 0x24, 2048, 128, 2048, 64, 0, "micron 256MB: 2048+128@64@2048", micron_cmd_cfg_table }, }; const struct aic_spinand_info *micron_spinand_detect(struct aic_spinand *flash) { u8 *Id = flash->id.data; if (Id[0] != SPINAND_MFR_MICRON) return NULL; return spinand_match_and_init(Id[1], micron_spinand_table, ARRAY_SIZE(micron_spinand_table)); }; static int micron_spinand_init(struct aic_spinand *flash) { return 0; }; static const struct spinand_manufacturer_ops micron_spinand_manuf_ops = { .detect = micron_spinand_detect, .init = micron_spinand_init, }; const struct spinand_manufacturer micron_spinand_manufacturer = { .id = SPINAND_MFR_MICRON, .name = "micron", .ops = µn_spinand_manuf_ops, };