1 // SPDX-License-Identifier: GPL-2.0
3 * Copyright (C) 2005, Intec Automation Inc.
4 * Copyright (C) 2014, Freescale Semiconductor, Inc.
7 #include <linux/mtd/spi-nor.h>
12 is25lp256_post_bfpt_fixups(struct spi_nor *nor,
13 const struct sfdp_parameter_header *bfpt_header,
14 const struct sfdp_bfpt *bfpt)
17 * IS25LP256 supports 4B opcodes, but the BFPT advertises a
18 * BFPT_DWORD1_ADDRESS_BYTES_3_ONLY address width.
19 * Overwrite the address width advertised by the BFPT.
21 if ((bfpt->dwords[BFPT_DWORD(1)] & BFPT_DWORD1_ADDRESS_BYTES_MASK) ==
22 BFPT_DWORD1_ADDRESS_BYTES_3_ONLY)
28 static const struct spi_nor_fixups is25lp256_fixups = {
29 .post_bfpt = is25lp256_post_bfpt_fixups,
32 static const struct flash_info issi_nor_parts[] = {
34 { "is25cd512", INFO(0x7f9d20, 0, 32 * 1024, 2)
35 NO_SFDP_FLAGS(SECT_4K) },
36 { "is25lq040b", INFO(0x9d4013, 0, 64 * 1024, 8)
37 NO_SFDP_FLAGS(SECT_4K | SPI_NOR_DUAL_READ | SPI_NOR_QUAD_READ) },
38 { "is25lp016d", INFO(0x9d6015, 0, 64 * 1024, 32)
39 NO_SFDP_FLAGS(SECT_4K | SPI_NOR_DUAL_READ | SPI_NOR_QUAD_READ) },
40 { "is25lp080d", INFO(0x9d6014, 0, 64 * 1024, 16)
41 NO_SFDP_FLAGS(SECT_4K | SPI_NOR_DUAL_READ | SPI_NOR_QUAD_READ) },
42 { "is25lp032", INFO(0x9d6016, 0, 64 * 1024, 64)
43 NO_SFDP_FLAGS(SECT_4K | SPI_NOR_DUAL_READ) },
44 { "is25lp064", INFO(0x9d6017, 0, 64 * 1024, 128)
45 NO_SFDP_FLAGS(SECT_4K | SPI_NOR_DUAL_READ) },
46 { "is25lp128", INFO(0x9d6018, 0, 64 * 1024, 256)
47 NO_SFDP_FLAGS(SECT_4K | SPI_NOR_DUAL_READ) },
48 { "is25lp256", INFO(0x9d6019, 0, 64 * 1024, 512)
50 FIXUP_FLAGS(SPI_NOR_4B_OPCODES)
51 .fixups = &is25lp256_fixups },
52 { "is25wp032", INFO(0x9d7016, 0, 64 * 1024, 64)
53 NO_SFDP_FLAGS(SECT_4K | SPI_NOR_DUAL_READ | SPI_NOR_QUAD_READ) },
54 { "is25wp064", INFO(0x9d7017, 0, 64 * 1024, 128)
55 NO_SFDP_FLAGS(SECT_4K | SPI_NOR_DUAL_READ | SPI_NOR_QUAD_READ) },
56 { "is25wp128", INFO(0x9d7018, 0, 64 * 1024, 256)
57 NO_SFDP_FLAGS(SECT_4K | SPI_NOR_DUAL_READ | SPI_NOR_QUAD_READ) },
58 { "is25wp256", INFO(0x9d7019, 0, 64 * 1024, 512)
59 NO_SFDP_FLAGS(SECT_4K | SPI_NOR_DUAL_READ | SPI_NOR_QUAD_READ)
60 FIXUP_FLAGS(SPI_NOR_4B_OPCODES)
61 .fixups = &is25lp256_fixups },
64 { "pm25lv512", INFO(0, 0, 32 * 1024, 2)
65 NO_SFDP_FLAGS(SECT_4K_PMC) },
66 { "pm25lv010", INFO(0, 0, 32 * 1024, 4)
67 NO_SFDP_FLAGS(SECT_4K_PMC) },
68 { "pm25lq032", INFO(0x7f9d46, 0, 64 * 1024, 64)
69 NO_SFDP_FLAGS(SECT_4K) },
72 static void issi_nor_default_init(struct spi_nor *nor)
74 nor->params->quad_enable = spi_nor_sr1_bit6_quad_enable;
77 static const struct spi_nor_fixups issi_fixups = {
78 .default_init = issi_nor_default_init,
81 const struct spi_nor_manufacturer spi_nor_issi = {
83 .parts = issi_nor_parts,
84 .nparts = ARRAY_SIZE(issi_nor_parts),
85 .fixups = &issi_fixups,