linux/drivers/mtd/spi-nor/spansion.c

// SPDX-License-Identifier: GPL-2.0
/*
 * Copyright (C) 2005, Intec Automation Inc.
 * Copyright (C) 2014, Freescale Semiconductor, Inc.
 */

#include <linux/mtd/spi-nor.h>

#include "core.h"

static int
s25fs_s_post_bfpt_fixups(struct spi_nor *nor,
			 const struct sfdp_parameter_header *bfpt_header,
			 const struct sfdp_bfpt *bfpt,
			 struct spi_nor_flash_parameter *params)
{
	/*
	 * The S25FS-S chip family reports 512-byte pages in BFPT but
	 * in reality the write buffer still wraps at the safe default
	 * of 256 bytes.  Overwrite the page size advertised by BFPT
	 * to get the writes working.
	 */
	params->page_size = 256;

	return 0;
}

static struct spi_nor_fixups s25fs_s_fixups = {
	.post_bfpt = s25fs_s_post_bfpt_fixups,
};

static const struct flash_info spansion_parts[] = {
	/* Spansion/Cypress -- single (large) sector size only, at least
	 * for the chips listed here (without boot sectors).
	 */
	{ "s25sl032p",  INFO(0x010215, 0x4d00,  64 * 1024,  64,
			     SPI_NOR_DUAL_READ | SPI_NOR_QUAD_READ) },
	{ "s25sl064p",  INFO(0x010216, 0x4d00,  64 * 1024, 128,
			     SPI_NOR_DUAL_READ | SPI_NOR_QUAD_READ) },
	{ "s25fl128s0", INFO6(0x012018, 0x4d0080, 256 * 1024, 64,
			      SPI_NOR_DUAL_READ | SPI_NOR_QUAD_READ |
			      USE_CLSR) },
	{ "s25fl128s1", INFO6(0x012018, 0x4d0180, 64 * 1024, 256,
			      SPI_NOR_DUAL_READ | SPI_NOR_QUAD_READ |
			      USE_CLSR) },
	{ "s25fl256s0", INFO(0x010219, 0x4d00, 256 * 1024, 128,
			     SPI_NOR_DUAL_READ | SPI_NOR_QUAD_READ |
			     USE_CLSR) },
	{ "s25fl256s1", INFO(0x010219, 0x4d01,  64 * 1024, 512,
			     SPI_NOR_DUAL_READ | SPI_NOR_QUAD_READ |
			     USE_CLSR) },
	{ "s25fl512s",  INFO6(0x010220, 0x4d0080, 256 * 1024, 256,
			      SPI_NOR_DUAL_READ | SPI_NOR_QUAD_READ |
			      SPI_NOR_HAS_LOCK | USE_CLSR) },
	{ "s25fs128s1", INFO6(0x012018, 0x4d0181, 64 * 1024, 256,
			      SPI_NOR_DUAL_READ | SPI_NOR_QUAD_READ | USE_CLSR)
	  .fixups = &s25fs_s_fixups, },
	{ "s25fs512s",  INFO6(0x010220, 0x4d0081, 256 * 1024, 256,
			      SPI_NOR_DUAL_READ | SPI_NOR_QUAD_READ | USE_CLSR)
	  .fixups = &s25fs_s_fixups, },
	{ "s70fl01gs",  INFO(0x010221, 0x4d00, 256 * 1024, 256, 0) },
	{ "s25sl12800", INFO(0x012018, 0x0300, 256 * 1024,  64, 0) },
	{ "s25sl12801", INFO(0x012018, 0x0301,  64 * 1024, 256, 0) },
	{ "s25fl129p0", INFO(0x012018, 0x4d00, 256 * 1024,  64,
			     SPI_NOR_DUAL_READ | SPI_NOR_QUAD_READ |
			     USE_CLSR) },
	{ "s25fl129p1", INFO(0x012018, 0x4d01,  64 * 1024, 256,
			     SPI_NOR_DUAL_READ | SPI_NOR_QUAD_READ |
			     USE_CLSR) },
	{ "s25sl004a",  INFO(0x010212,      0,  64 * 1024,   8, 0) },
	{ "s25sl008a",  INFO(0x010213,      0,  64 * 1024,  16, 0) },
	{ "s25sl016a",  INFO(0x010214,      0,  64 * 1024,  32, 0) },
	{ "s25sl032a",  INFO(0x010215,      0,  64 * 1024,  64, 0) },
	{ "s25sl064a",  INFO(0x010216,      0,  64 * 1024, 128, 0) },
	{ "s25fl004k",  INFO(0xef4013,      0,  64 * 1024,   8,
			     SECT_4K | SPI_NOR_DUAL_READ | SPI_NOR_QUAD_READ) },
	{ "s25fl008k",  INFO(0xef4014,      0,  64 * 1024,  16,
			     SECT_4K | SPI_NOR_DUAL_READ | SPI_NOR_QUAD_READ) },
	{ "s25fl016k",  INFO(0xef4015,      0,  64 * 1024,  32,
			     SECT_4K | SPI_NOR_DUAL_READ | SPI_NOR_QUAD_READ) },
	{ "s25fl064k",  INFO(0xef4017,      0,  64 * 1024, 128, SECT_4K) },
	{ "s25fl116k",  INFO(0x014015,      0,  64 * 1024,  32,
			     SECT_4K | SPI_NOR_DUAL_READ | SPI_NOR_QUAD_READ) },
	{ "s25fl132k",  INFO(0x014016,      0,  64 * 1024,  64, SECT_4K) },
	{ "s25fl164k",  INFO(0x014017,      0,  64 * 1024, 128, SECT_4K) },
	{ "s25fl204k",  INFO(0x014013,      0,  64 * 1024,   8,
			     SECT_4K | SPI_NOR_DUAL_READ) },
	{ "s25fl208k",  INFO(0x014014,      0,  64 * 1024,  16,
			     SECT_4K | SPI_NOR_DUAL_READ) },
	{ "s25fl064l",  INFO(0x016017,      0,  64 * 1024, 128,
			     SECT_4K | SPI_NOR_DUAL_READ | SPI_NOR_QUAD_READ |
			     SPI_NOR_4B_OPCODES) },
	{ "s25fl128l",  INFO(0x016018,      0,  64 * 1024, 256,
			     SECT_4K | SPI_NOR_DUAL_READ | SPI_NOR_QUAD_READ |
			     SPI_NOR_4B_OPCODES) },
	{ "s25fl256l",  INFO(0x016019,      0,  64 * 1024, 512,
			     SECT_4K | SPI_NOR_DUAL_READ | SPI_NOR_QUAD_READ |
			     SPI_NOR_4B_OPCODES) },
};

static void spansion_post_sfdp_fixups(struct spi_nor *nor)
{
	if (nor->params->size <= SZ_16M)
		return;

	nor->flags |= SNOR_F_4B_OPCODES;
	/* No small sector erase for 4-byte command set */
	nor->erase_opcode = SPINOR_OP_SE;
	nor->mtd.erasesize = nor->info->sector_size;
}

static const struct spi_nor_fixups spansion_fixups = {
	.post_sfdp = spansion_post_sfdp_fixups,
};

const struct spi_nor_manufacturer spi_nor_spansion = {
	.name = "spansion",
	.parts = spansion_parts,
	.nparts = ARRAY_SIZE(spansion_parts),
	.fixups = &spansion_fixups,
};