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// 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
is25lp256_post_bfpt_fixups(struct spi_nor *nor,
const struct sfdp_parameter_header *bfpt_header,
const struct sfdp_bfpt *bfpt)
{
/*
* IS25LP256 supports 4B opcodes, but the BFPT advertises
* BFPT_DWORD1_ADDRESS_BYTES_3_ONLY.
* Overwrite the number of address bytes advertised by the BFPT.
*/
if ((bfpt->dwords[SFDP_DWORD(1)] & BFPT_DWORD1_ADDRESS_BYTES_MASK) ==
BFPT_DWORD1_ADDRESS_BYTES_3_ONLY)
nor->params->addr_nbytes = 4;
return 0;
}
static const struct spi_nor_fixups is25lp256_fixups = {
.post_bfpt = is25lp256_post_bfpt_fixups,
};
static int pm25lv_nor_late_init(struct spi_nor *nor)
{
struct spi_nor_erase_map *map = &nor->params->erase_map;
int i;
/* The PM25LV series has a different 4k sector erase opcode */
for (i = 0; i < SNOR_ERASE_TYPE_MAX; i++)
if (map->erase_type[i].size == 4096)
map->erase_type[i].opcode = SPINOR_OP_BE_4K_PMC;
return 0;
}
static const struct spi_nor_fixups pm25lv_nor_fixups = {
.late_init = pm25lv_nor_late_init,
};
static const struct flash_info issi_nor_parts[] = {
/* ISSI */
{ "is25cd512", INFO(0x7f9d20, 0, 32 * 1024, 2)
NO_SFDP_FLAGS(SECT_4K) },
{ "is25lq040b", INFO(0x9d4013, 0, 64 * 1024, 8)
NO_SFDP_FLAGS(SECT_4K | SPI_NOR_DUAL_READ | SPI_NOR_QUAD_READ) },
{ "is25lp016d", INFO(0x9d6015, 0, 64 * 1024, 32)
NO_SFDP_FLAGS(SECT_4K | SPI_NOR_DUAL_READ | SPI_NOR_QUAD_READ) },
{ "is25lp080d", INFO(0x9d6014, 0, 64 * 1024, 16)
NO_SFDP_FLAGS(SECT_4K | SPI_NOR_DUAL_READ | SPI_NOR_QUAD_READ) },
{ "is25lp032", INFO(0x9d6016, 0, 64 * 1024, 64)
NO_SFDP_FLAGS(SECT_4K | SPI_NOR_DUAL_READ) },
{ "is25lp064", INFO(0x9d6017, 0, 64 * 1024, 128)
NO_SFDP_FLAGS(SECT_4K | SPI_NOR_DUAL_READ) },
{ "is25lp128", INFO(0x9d6018, 0, 64 * 1024, 256)
NO_SFDP_FLAGS(SECT_4K | SPI_NOR_DUAL_READ) },
{ "is25lp256", INFO(0x9d6019, 0, 64 * 1024, 512)
PARSE_SFDP
FIXUP_FLAGS(SPI_NOR_4B_OPCODES)
.fixups = &is25lp256_fixups },
{ "is25wp032", INFO(0x9d7016, 0, 64 * 1024, 64)
NO_SFDP_FLAGS(SECT_4K | SPI_NOR_DUAL_READ | SPI_NOR_QUAD_READ) },
{ "is25wp064", INFO(0x9d7017, 0, 64 * 1024, 128)
NO_SFDP_FLAGS(SECT_4K | SPI_NOR_DUAL_READ | SPI_NOR_QUAD_READ) },
{ "is25wp128", INFO(0x9d7018, 0, 64 * 1024, 256)
NO_SFDP_FLAGS(SECT_4K | SPI_NOR_DUAL_READ | SPI_NOR_QUAD_READ) },
{ "is25wp256", INFO(0x9d7019, 0, 0, 0)
PARSE_SFDP
FIXUP_FLAGS(SPI_NOR_4B_OPCODES)
FLAGS(SPI_NOR_QUAD_PP)
.fixups = &is25lp256_fixups },
/* PMC */
{ "pm25lv512", INFO(0, 0, 32 * 1024, 2)
NO_SFDP_FLAGS(SECT_4K)
.fixups = &pm25lv_nor_fixups
},
{ "pm25lv010", INFO(0, 0, 32 * 1024, 4)
NO_SFDP_FLAGS(SECT_4K)
.fixups = &pm25lv_nor_fixups
},
{ "pm25lq032", INFO(0x7f9d46, 0, 64 * 1024, 64)
NO_SFDP_FLAGS(SECT_4K) },
};
static void issi_nor_default_init(struct spi_nor *nor)
{
nor->params->quad_enable = spi_nor_sr1_bit6_quad_enable;
}
static const struct spi_nor_fixups issi_fixups = {
.default_init = issi_nor_default_init,
};
const struct spi_nor_manufacturer spi_nor_issi = {
.name = "issi",
.parts = issi_nor_parts,
.nparts = ARRAY_SIZE(issi_nor_parts),
.fixups = &issi_fixups,
};
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