forked from Minki/linux
0a37198183
Create a SPI NOR manufacturer driver for ISSI chips, and move the ISSI definitions outside of core.c. Signed-off-by: Boris Brezillon <bbrezillon@kernel.org> Signed-off-by: Tudor Ambarus <tudor.ambarus@microchip.com>
84 lines
2.7 KiB
C
84 lines
2.7 KiB
C
// SPDX-License-Identifier: GPL-2.0
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/*
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* Copyright (C) 2005, Intec Automation Inc.
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* Copyright (C) 2014, Freescale Semiconductor, Inc.
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*/
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#include <linux/mtd/spi-nor.h>
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#include "core.h"
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static int
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is25lp256_post_bfpt_fixups(struct spi_nor *nor,
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const struct sfdp_parameter_header *bfpt_header,
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const struct sfdp_bfpt *bfpt,
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struct spi_nor_flash_parameter *params)
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{
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/*
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* IS25LP256 supports 4B opcodes, but the BFPT advertises a
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* BFPT_DWORD1_ADDRESS_BYTES_3_ONLY address width.
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* Overwrite the address width advertised by the BFPT.
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*/
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if ((bfpt->dwords[BFPT_DWORD(1)] & BFPT_DWORD1_ADDRESS_BYTES_MASK) ==
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BFPT_DWORD1_ADDRESS_BYTES_3_ONLY)
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nor->addr_width = 4;
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return 0;
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}
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static struct spi_nor_fixups is25lp256_fixups = {
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.post_bfpt = is25lp256_post_bfpt_fixups,
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};
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static const struct flash_info issi_parts[] = {
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/* ISSI */
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{ "is25cd512", INFO(0x7f9d20, 0, 32 * 1024, 2, SECT_4K) },
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{ "is25lq040b", INFO(0x9d4013, 0, 64 * 1024, 8,
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SECT_4K | SPI_NOR_DUAL_READ | SPI_NOR_QUAD_READ) },
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{ "is25lp016d", INFO(0x9d6015, 0, 64 * 1024, 32,
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SECT_4K | SPI_NOR_DUAL_READ | SPI_NOR_QUAD_READ) },
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{ "is25lp080d", INFO(0x9d6014, 0, 64 * 1024, 16,
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SECT_4K | SPI_NOR_DUAL_READ | SPI_NOR_QUAD_READ) },
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{ "is25lp032", INFO(0x9d6016, 0, 64 * 1024, 64,
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SECT_4K | SPI_NOR_DUAL_READ) },
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{ "is25lp064", INFO(0x9d6017, 0, 64 * 1024, 128,
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SECT_4K | SPI_NOR_DUAL_READ) },
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{ "is25lp128", INFO(0x9d6018, 0, 64 * 1024, 256,
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SECT_4K | SPI_NOR_DUAL_READ) },
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{ "is25lp256", INFO(0x9d6019, 0, 64 * 1024, 512,
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SECT_4K | SPI_NOR_DUAL_READ | SPI_NOR_QUAD_READ |
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SPI_NOR_4B_OPCODES)
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.fixups = &is25lp256_fixups },
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{ "is25wp032", INFO(0x9d7016, 0, 64 * 1024, 64,
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SECT_4K | SPI_NOR_DUAL_READ | SPI_NOR_QUAD_READ) },
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{ "is25wp064", INFO(0x9d7017, 0, 64 * 1024, 128,
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SECT_4K | SPI_NOR_DUAL_READ | SPI_NOR_QUAD_READ) },
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{ "is25wp128", INFO(0x9d7018, 0, 64 * 1024, 256,
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SECT_4K | SPI_NOR_DUAL_READ | SPI_NOR_QUAD_READ) },
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{ "is25wp256", INFO(0x9d7019, 0, 64 * 1024, 512,
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SECT_4K | SPI_NOR_DUAL_READ | SPI_NOR_QUAD_READ |
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SPI_NOR_4B_OPCODES)
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.fixups = &is25lp256_fixups },
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/* PMC */
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{ "pm25lv512", INFO(0, 0, 32 * 1024, 2, SECT_4K_PMC) },
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{ "pm25lv010", INFO(0, 0, 32 * 1024, 4, SECT_4K_PMC) },
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{ "pm25lq032", INFO(0x7f9d46, 0, 64 * 1024, 64, SECT_4K) },
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};
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static void issi_default_init(struct spi_nor *nor)
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{
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nor->params.quad_enable = spi_nor_sr1_bit6_quad_enable;
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}
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static const struct spi_nor_fixups issi_fixups = {
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.default_init = issi_default_init,
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};
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const struct spi_nor_manufacturer spi_nor_issi = {
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.name = "issi",
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.parts = issi_parts,
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.nparts = ARRAY_SIZE(issi_parts),
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.fixups = &issi_fixups,
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};
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