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         /* Macronix */
  37         { "mx25l512e",   INFO(0xc22010, 0, 64 * 1024,   1)
  38                 NO_SFDP_FLAGS(SECT_4K) },
  39         { "mx25l2005a",  INFO(0xc22012, 0, 64 * 1024,   4)
  40                 NO_SFDP_FLAGS(SECT_4K) },
  41         { "mx25l4005a",  INFO(0xc22013, 0, 64 * 1024,   8)
  42                 NO_SFDP_FLAGS(SECT_4K) },
  43         { "mx25l8005",   INFO(0xc22014, 0, 64 * 1024,  16) },
  44         { "mx25l1606e",  INFO(0xc22015, 0, 64 * 1024,  32)
  45                 NO_SFDP_FLAGS(SECT_4K) },
  46         { "mx25l3205d",  INFO(0xc22016, 0, 64 * 1024,  64)
  47                 NO_SFDP_FLAGS(SECT_4K) },
  48         { "mx25l3255e",  INFO(0xc29e16, 0, 64 * 1024,  64)
  49                 NO_SFDP_FLAGS(SECT_4K) },
  50         { "mx25l6405d",  INFO(0xc22017, 0, 64 * 1024, 128)
  51                 NO_SFDP_FLAGS(SECT_4K) },
  52         { "mx25u2033e",  INFO(0xc22532, 0, 64 * 1024,   4)
  53                 NO_SFDP_FLAGS(SECT_4K) },
  54         { "mx25u3235f",  INFO(0xc22536, 0, 64 * 1024,  64)
  55                 NO_SFDP_FLAGS(SECT_4K | SPI_NOR_DUAL_READ |
  56                               SPI_NOR_QUAD_READ) },
  57         { "mx25u4035",   INFO(0xc22533, 0, 64 * 1024,   8)
  58                 NO_SFDP_FLAGS(SECT_4K) },
  59         { "mx25u8035",   INFO(0xc22534, 0, 64 * 1024,  16)
  60                 NO_SFDP_FLAGS(SECT_4K) },
  61         { "mx25u6435f",  INFO(0xc22537, 0, 64 * 1024, 128)
  62                 NO_SFDP_FLAGS(SECT_4K) },
  63         { "mx25l12805d", INFO(0xc22018, 0, 64 * 1024, 256)
  64                 FLAGS(SPI_NOR_HAS_LOCK | SPI_NOR_4BIT_BP)
  65                 NO_SFDP_FLAGS(SECT_4K) },
  66         { "mx25l12855e", INFO(0xc22618, 0, 64 * 1024, 256) },
  67         { "mx25r1635f",  INFO(0xc22815, 0, 64 * 1024,  32)
  68                 NO_SFDP_FLAGS(SECT_4K | SPI_NOR_DUAL_READ |
  69                               SPI_NOR_QUAD_READ) },
  70         { "mx25r3235f",  INFO(0xc22816, 0, 64 * 1024,  64)
  71                 NO_SFDP_FLAGS(SECT_4K | SPI_NOR_DUAL_READ |
  72                               SPI_NOR_QUAD_READ) },
  73         { "mx25u12835f", INFO(0xc22538, 0, 64 * 1024, 256)
  74                 NO_SFDP_FLAGS(SECT_4K | SPI_NOR_DUAL_READ |
  75                               SPI_NOR_QUAD_READ) },
  76         { "mx25l25635e", INFO(0xc22019, 0, 64 * 1024, 512)
  77                 NO_SFDP_FLAGS(SPI_NOR_DUAL_READ | SPI_NOR_QUAD_READ)
  78                 .fixups = &mx25l25635_fixups },
  79         { "mx25u25635f", INFO(0xc22539, 0, 64 * 1024, 512)
  80                 NO_SFDP_FLAGS(SECT_4K)
  81                 FIXUP_FLAGS(SPI_NOR_4B_OPCODES) },
  82         { "mx25u51245g", INFO(0xc2253a, 0, 64 * 1024, 1024)
  83                 NO_SFDP_FLAGS(SECT_4K | SPI_NOR_DUAL_READ | SPI_NOR_QUAD_READ)
  84                 FIXUP_FLAGS(SPI_NOR_4B_OPCODES) },
  85         { "mx25uw51245g", INFOB(0xc2813a, 0, 0, 0, 4)
  86                 PARSE_SFDP
  87                 FLAGS(SPI_NOR_RWW) },
  88         { "mx25v8035f",  INFO(0xc22314, 0, 64 * 1024,  16)
  89                 NO_SFDP_FLAGS(SECT_4K | SPI_NOR_DUAL_READ |
  90                               SPI_NOR_QUAD_READ) },
  91         { "mx25l25655e", INFO(0xc22619, 0, 64 * 1024, 512) },
  92         { "mx66l51235f", INFO(0xc2201a, 0, 64 * 1024, 1024)
  93                 NO_SFDP_FLAGS(SPI_NOR_DUAL_READ | SPI_NOR_QUAD_READ)
  94                 FIXUP_FLAGS(SPI_NOR_4B_OPCODES) },
  95         { "mx66u51235f", INFO(0xc2253a, 0, 64 * 1024, 1024)
  96                 NO_SFDP_FLAGS(SECT_4K | SPI_NOR_DUAL_READ | SPI_NOR_QUAD_READ)
  97                 FIXUP_FLAGS(SPI_NOR_4B_OPCODES) },
  98         { "mx66l1g45g",  INFO(0xc2201b, 0, 64 * 1024, 2048)
  99                 NO_SFDP_FLAGS(SECT_4K | SPI_NOR_DUAL_READ |
 100                               SPI_NOR_QUAD_READ) },
 101         { "mx66l1g55g",  INFO(0xc2261b, 0, 64 * 1024, 2048)
 102                 NO_SFDP_FLAGS(SPI_NOR_QUAD_READ) },
 103         { "mx66u2g45g",  INFO(0xc2253c, 0, 64 * 1024, 4096)
 104                 NO_SFDP_FLAGS(SECT_4K | SPI_NOR_DUAL_READ | SPI_NOR_QUAD_READ)
 105                 FIXUP_FLAGS(SPI_NOR_4B_OPCODES) },
 106 };
 107
 108 static void macronix_nor_default_init(struct spi_nor *nor)
 109 {
 110         nor->params->quad_enable = spi_nor_sr1_bit6_quad_enable;
 111 }
 112
 113 static void macronix_nor_late_init(struct spi_nor *nor)
 114 {
 115         if (!nor->params->set_4byte_addr_mode)
 116                 nor->params->set_4byte_addr_mode = spi_nor_set_4byte_addr_mode_en4b_ex4b;
 117 }
 118
 119 static const struct spi_nor_fixups macronix_nor_fixups = {
 120         .default_init = macronix_nor_default_init,
 121         .late_init = macronix_nor_late_init,
 122 };
 123
 124 const struct spi_nor_manufacturer spi_nor_macronix = {
 125         .name = "macronix",
 126         .parts = macronix_nor_parts,
 127         .nparts = ARRAY_SIZE(macronix_nor_parts),
 128         .fixups = &macronix_nor_fixups,
 129 };