linux/drivers/mtd/nand/spi/winbond.c

// SPDX-License-Identifier: GPL-2.0
/*
 * Copyright (c) 2017 exceet electronics GmbH
 *
 * Authors:
 *	Frieder Schrempf <[email protected]>
 *	Boris Brezillon <[email protected]>
 */

#include <linux/device.h>
#include <linux/kernel.h>
#include <linux/mtd/spinand.h>

#define SPINAND_MFR_WINBOND …

#define WINBOND_CFG_BUF_READ …

#define W25N04KV_STATUS_ECC_5_8_BITFLIPS …

static SPINAND_OP_VARIANTS(read_cache_variants,
		SPINAND_PAGE_READ_FROM_CACHE_QUADIO_OP(0, 2, NULL, 0),
		SPINAND_PAGE_READ_FROM_CACHE_X4_OP(0, 1, NULL, 0),
		SPINAND_PAGE_READ_FROM_CACHE_DUALIO_OP(0, 1, NULL, 0),
		SPINAND_PAGE_READ_FROM_CACHE_X2_OP(0, 1, NULL, 0),
		SPINAND_PAGE_READ_FROM_CACHE_OP(true, 0, 1, NULL, 0),
		SPINAND_PAGE_READ_FROM_CACHE_OP(false, 0, 1, NULL, 0));

static SPINAND_OP_VARIANTS(write_cache_variants,
		SPINAND_PROG_LOAD_X4(true, 0, NULL, 0),
		SPINAND_PROG_LOAD(true, 0, NULL, 0));

static SPINAND_OP_VARIANTS(update_cache_variants,
		SPINAND_PROG_LOAD_X4(false, 0, NULL, 0),
		SPINAND_PROG_LOAD(false, 0, NULL, 0));

static int w25m02gv_ooblayout_ecc(struct mtd_info *mtd, int section,
				  struct mtd_oob_region *region)
{ … }

static int w25m02gv_ooblayout_free(struct mtd_info *mtd, int section,
				   struct mtd_oob_region *region)
{ … }

static const struct mtd_ooblayout_ops w25m02gv_ooblayout = …;

static int w25m02gv_select_target(struct spinand_device *spinand,
				  unsigned int target)
{ … }

static int w25n02kv_ooblayout_ecc(struct mtd_info *mtd, int section,
				  struct mtd_oob_region *region)
{ … }

static int w25n02kv_ooblayout_free(struct mtd_info *mtd, int section,
				   struct mtd_oob_region *region)
{ … }

static const struct mtd_ooblayout_ops w25n02kv_ooblayout = …;

static int w25n02kv_ecc_get_status(struct spinand_device *spinand,
				   u8 status)
{ … }

static const struct spinand_info winbond_spinand_table[] = …;

static int winbond_spinand_init(struct spinand_device *spinand)
{ … }

static const struct spinand_manufacturer_ops winbond_spinand_manuf_ops = …;

const struct spinand_manufacturer winbond_spinand_manufacturer = …;