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

// SPDX-License-Identifier: GPL-2.0
/*
 * Copyright (C) 2019 Jeff Kletsky
 *
 * Author: Jeff Kletsky <[email protected]>
 */

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


#define SPINAND_MFR_PARAGON …


#define PN26G0XA_STATUS_ECC_BITMASK …

#define PN26G0XA_STATUS_ECC_NONE_DETECTED …
#define PN26G0XA_STATUS_ECC_1_7_CORRECTED …
#define PN26G0XA_STATUS_ECC_ERRORED …
#define PN26G0XA_STATUS_ECC_8_CORRECTED …


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 pn26g0xa_ooblayout_ecc(struct mtd_info *mtd, int section,
				   struct mtd_oob_region *region)
{ … }

static int pn26g0xa_ooblayout_free(struct mtd_info *mtd, int section,
				   struct mtd_oob_region *region)
{ … }

static int pn26g0xa_ecc_get_status(struct spinand_device *spinand,
				   u8 status)
{ … }

static const struct mtd_ooblayout_ops pn26g0xa_ooblayout = …;


static const struct spinand_info paragon_spinand_table[] = …;

static const struct spinand_manufacturer_ops paragon_spinand_manuf_ops = …;

const struct spinand_manufacturer paragon_spinand_manufacturer = …;