drivers/mtd/spi-nor/macronix.c

   1 // SPDX-License-Identifier: GPL-2.0
   2 /*
   3  * Copyright (C) 2005, Intec Automation Inc.
   4  * Copyright (C) 2014, Freescale Semiconductor, Inc.
   5  */
   6
   7 #include <linux/mtd/spi-nor.h>
   8
   9 #include "core.h"
  10
  11 static int
  12 mx25l25635_post_bfpt_fixups(struct spi_nor *nor,
  13                             const struct sfdp_parameter_header *bfpt_header,
  14                             const struct sfdp_bfpt *bfpt)
  15 {
  16         /*
  17          * MX25L25635F supports 4B opcodes but MX25L25635E does not.
  18          * Unfortunately, Macronix has re-used the same JEDEC ID for both
  19          * variants which prevents us from defining a new entry in the parts
  20          * table.
  21          * We need a way to differentiate MX25L25635E and MX25L25635F, and it
  22          * seems that the F version advertises support for Fast Read 4-4-4 in
  23          * its BFPT table.
  24          */
  25         if (bfpt->dwords[SFDP_DWORD(5)] & BFPT_DWORD5_FAST_READ_4_4_4)
  26                 nor->flags |= SNOR_F_4B_OPCODES;
  27
  28         return 0;
  29 }
  30
  31 static const struct spi_nor_fixups mx25l25635_fixups = {
  32         .post_bfpt = mx25l25635_post_bfpt_fixups,
  33 };
  34
  35 static const struct flash_info macronix_nor_parts[] = {
  36         {
  37                 .id = SNOR_ID(0xc2, 0x20, 0x10),
  38                 .name = "mx25l512e",
  39                 .size = SZ_64K,
  40                 .no_sfdp_flags = SECT_4K,
  41         }, {
  42                 .id = SNOR_ID(0xc2, 0x20, 0x12),
  43                 .name = "mx25l2005a",
  44                 .size = SZ_256K,
  45                 .no_sfdp_flags = SECT_4K,
  46         }, {
  47                 .id = SNOR_ID(0xc2, 0x20, 0x13),
  48                 .name = "mx25l4005a",
  49                 .size = SZ_512K,
  50                 .no_sfdp_flags = SECT_4K,
  51         }, {
  52                 .id = SNOR_ID(0xc2, 0x20, 0x14),
  53                 .name = "mx25l8005",
  54                 .size = SZ_1M,
  55         }, {
  56                 .id = SNOR_ID(0xc2, 0x20, 0x15),
  57                 .name = "mx25l1606e",
  58                 .size = SZ_2M,
  59                 .no_sfdp_flags = SECT_4K,
  60         }, {
  61                 .id = SNOR_ID(0xc2, 0x20, 0x16),
  62                 .name = "mx25l3205d",
  63                 .size = SZ_4M,
  64                 .no_sfdp_flags = SECT_4K,
  65         }, {
  66                 .id = SNOR_ID(0xc2, 0x20, 0x17),
  67                 .name = "mx25l6405d",
  68                 .size = SZ_8M,
  69                 .no_sfdp_flags = SECT_4K,
  70         }, {
  71                 .id = SNOR_ID(0xc2, 0x20, 0x18),
  72                 .name = "mx25l12805d",
  73                 .size = SZ_16M,
  74                 .flags = SPI_NOR_HAS_LOCK | SPI_NOR_4BIT_BP,
  75                 .no_sfdp_flags = SECT_4K,
  76         }, {
  77                 .id = SNOR_ID(0xc2, 0x20, 0x19),
  78                 .name = "mx25l25635e",
  79                 .size = SZ_32M,
  80                 .no_sfdp_flags = SPI_NOR_DUAL_READ | SPI_NOR_QUAD_READ,
  81                 .fixups = &mx25l25635_fixups
  82         }, {
  83                 .id = SNOR_ID(0xc2, 0x20, 0x1a),
  84                 .name = "mx66l51235f",
  85                 .size = SZ_64M,
  86                 .no_sfdp_flags = SPI_NOR_DUAL_READ | SPI_NOR_QUAD_READ,
  87                 .fixup_flags = SPI_NOR_4B_OPCODES,
  88         }, {
  89                 .id = SNOR_ID(0xc2, 0x20, 0x1b),
  90                 .name = "mx66l1g45g",
  91                 .size = SZ_128M,
  92                 .no_sfdp_flags = SECT_4K | SPI_NOR_DUAL_READ | SPI_NOR_QUAD_READ,
  93         }, {
  94                 .id = SNOR_ID(0xc2, 0x23, 0x14),
  95                 .name = "mx25v8035f",
  96                 .size = SZ_1M,
  97                 .no_sfdp_flags = SECT_4K | SPI_NOR_DUAL_READ | SPI_NOR_QUAD_READ,
  98         }, {
  99                 .id = SNOR_ID(0xc2, 0x25, 0x32),
 100                 .name = "mx25u2033e",
 101                 .size = SZ_256K,
 102                 .no_sfdp_flags = SECT_4K,
 103         }, {
 104                 .id = SNOR_ID(0xc2, 0x25, 0x33),
 105                 .name = "mx25u4035",
 106                 .size = SZ_512K,
 107                 .no_sfdp_flags = SECT_4K,
 108         }, {
 109                 .id = SNOR_ID(0xc2, 0x25, 0x34),
 110                 .name = "mx25u8035",
 111                 .size = SZ_1M,
 112                 .no_sfdp_flags = SECT_4K,
 113         }, {
 114                 .id = SNOR_ID(0xc2, 0x25, 0x36),
 115                 .name = "mx25u3235f",
 116                 .size = SZ_4M,
 117                 .no_sfdp_flags = SECT_4K | SPI_NOR_DUAL_READ | SPI_NOR_QUAD_READ,
 118         }, {
 119                 .id = SNOR_ID(0xc2, 0x25, 0x37),
 120                 .name = "mx25u6435f",
 121                 .size = SZ_8M,
 122                 .no_sfdp_flags = SECT_4K,
 123         }, {
 124                 .id = SNOR_ID(0xc2, 0x25, 0x38),
 125                 .name = "mx25u12835f",
 126                 .size = SZ_16M,
 127                 .no_sfdp_flags = SECT_4K | SPI_NOR_DUAL_READ | SPI_NOR_QUAD_READ,
 128         }, {
 129                 .id = SNOR_ID(0xc2, 0x25, 0x39),
 130                 .name = "mx25u25635f",
 131                 .size = SZ_32M,
 132                 .no_sfdp_flags = SECT_4K,
 133                 .fixup_flags = SPI_NOR_4B_OPCODES,
 134         }, {
 135                 .id = SNOR_ID(0xc2, 0x25, 0x3a),
 136                 .name = "mx25u51245g",
 137                 .size = SZ_64M,
 138                 .no_sfdp_flags = SECT_4K | SPI_NOR_DUAL_READ | SPI_NOR_QUAD_READ,
 139                 .fixup_flags = SPI_NOR_4B_OPCODES,
 140         }, {
 141                 .id = SNOR_ID(0xc2, 0x25, 0x3a),
 142                 .name = "mx66u51235f",
 143                 .size = SZ_64M,
 144                 .no_sfdp_flags = SECT_4K | SPI_NOR_DUAL_READ | SPI_NOR_QUAD_READ,
 145                 .fixup_flags = SPI_NOR_4B_OPCODES,
 146         }, {
 147                 .id = SNOR_ID(0xc2, 0x25, 0x3c),
 148                 .name = "mx66u2g45g",
 149                 .size = SZ_256M,
 150                 .no_sfdp_flags = SECT_4K | SPI_NOR_DUAL_READ | SPI_NOR_QUAD_READ,
 151                 .fixup_flags = SPI_NOR_4B_OPCODES,
 152         }, {
 153                 .id = SNOR_ID(0xc2, 0x26, 0x18),
 154                 .name = "mx25l12855e",
 155                 .size = SZ_16M,
 156         }, {
 157                 .id = SNOR_ID(0xc2, 0x26, 0x19),
 158                 .name = "mx25l25655e",
 159                 .size = SZ_32M,
 160         }, {
 161                 .id = SNOR_ID(0xc2, 0x26, 0x1b),
 162                 .name = "mx66l1g55g",
 163                 .size = SZ_128M,
 164                 .no_sfdp_flags = SPI_NOR_QUAD_READ,
 165         }, {
 166                 .id = SNOR_ID(0xc2, 0x28, 0x15),
 167                 .name = "mx25r1635f",
 168                 .size = SZ_2M,
 169                 .no_sfdp_flags = SECT_4K | SPI_NOR_DUAL_READ | SPI_NOR_QUAD_READ,
 170         }, {
 171                 .id = SNOR_ID(0xc2, 0x28, 0x16),
 172                 .name = "mx25r3235f",
 173                 .size = SZ_4M,
 174                 .no_sfdp_flags = SECT_4K | SPI_NOR_DUAL_READ | SPI_NOR_QUAD_READ,
 175         }, {
 176                 .id = SNOR_ID(0xc2, 0x81, 0x3a),
 177                 .name = "mx25uw51245g",
 178                 .n_banks = 4,
 179                 .flags = SPI_NOR_RWW,
 180         }, {
 181                 .id = SNOR_ID(0xc2, 0x9e, 0x16),
 182                 .name = "mx25l3255e",
 183                 .size = SZ_4M,
 184                 .no_sfdp_flags = SECT_4K,
 185         }
 186 };
 187
 188 static void macronix_nor_default_init(struct spi_nor *nor)
 189 {
 190         nor->params->quad_enable = spi_nor_sr1_bit6_quad_enable;
 191 }
 192
 193 static int macronix_nor_late_init(struct spi_nor *nor)
 194 {
 195         if (!nor->params->set_4byte_addr_mode)
 196                 nor->params->set_4byte_addr_mode = spi_nor_set_4byte_addr_mode_en4b_ex4b;
 197
 198         return 0;
 199 }
 200
 201 static const struct spi_nor_fixups macronix_nor_fixups = {
 202         .default_init = macronix_nor_default_init,
 203         .late_init = macronix_nor_late_init,
 204 };
 205
 206 const struct spi_nor_manufacturer spi_nor_macronix = {
 207         .name = "macronix",
 208         .parts = macronix_nor_parts,
 209         .nparts = ARRAY_SIZE(macronix_nor_parts),
 210         .fixups = &macronix_nor_fixups,
 211 };