drivers/mtd/spi-nor/issi.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 is25lp256_post_bfpt_fixups(struct spi_nor *nor,
  13                            const struct sfdp_parameter_header *bfpt_header,
  14                            const struct sfdp_bfpt *bfpt)
  15 {
  16         /*
  17          * IS25LP256 supports 4B opcodes, but the BFPT advertises
  18          * BFPT_DWORD1_ADDRESS_BYTES_3_ONLY.
  19          * Overwrite the number of address bytes advertised by the BFPT.
  20          */
  21         if ((bfpt->dwords[SFDP_DWORD(1)] & BFPT_DWORD1_ADDRESS_BYTES_MASK) ==
  22                 BFPT_DWORD1_ADDRESS_BYTES_3_ONLY)
  23                 nor->params->addr_nbytes = 4;
  24
  25         return 0;
  26 }
  27
  28 static const struct spi_nor_fixups is25lp256_fixups = {
  29         .post_bfpt = is25lp256_post_bfpt_fixups,
  30 };
  31
  32 static int pm25lv_nor_late_init(struct spi_nor *nor)
  33 {
  34         struct spi_nor_erase_map *map = &nor->params->erase_map;
  35         int i;
  36
  37         /* The PM25LV series has a different 4k sector erase opcode */
  38         for (i = 0; i < SNOR_ERASE_TYPE_MAX; i++)
  39                 if (map->erase_type[i].size == 4096)
  40                         map->erase_type[i].opcode = SPINOR_OP_BE_4K_PMC;
  41
  42         return 0;
  43 }
  44
  45 static const struct spi_nor_fixups pm25lv_nor_fixups = {
  46         .late_init = pm25lv_nor_late_init,
  47 };
  48
  49 static const struct flash_info issi_nor_parts[] = {
  50         {
  51                 .name = "pm25lv512",
  52                 .sector_size = SZ_32K,
  53                 .size = SZ_64K,
  54                 .no_sfdp_flags = SECT_4K,
  55                 .fixups = &pm25lv_nor_fixups
  56         }, {
  57                 .name = "pm25lv010",
  58                 .sector_size = SZ_32K,
  59                 .size = SZ_128K,
  60                 .no_sfdp_flags = SECT_4K,
  61                 .fixups = &pm25lv_nor_fixups
  62         }, {
  63                 .id = SNOR_ID(0x7f, 0x9d, 0x20),
  64                 .name = "is25cd512",
  65                 .sector_size = SZ_32K,
  66                 .size = SZ_64K,
  67                 .no_sfdp_flags = SECT_4K,
  68         }, {
  69                 .id = SNOR_ID(0x7f, 0x9d, 0x46),
  70                 .name = "pm25lq032",
  71                 .size = SZ_4M,
  72                 .no_sfdp_flags = SECT_4K,
  73         }, {
  74                 .id = SNOR_ID(0x9d, 0x40, 0x13),
  75                 .name = "is25lq040b",
  76                 .size = SZ_512K,
  77                 .no_sfdp_flags = SECT_4K | SPI_NOR_DUAL_READ | SPI_NOR_QUAD_READ,
  78         }, {
  79                 .id = SNOR_ID(0x9d, 0x60, 0x14),
  80                 .name = "is25lp080d",
  81                 .size = SZ_1M,
  82                 .no_sfdp_flags = SECT_4K | SPI_NOR_DUAL_READ | SPI_NOR_QUAD_READ,
  83         }, {
  84                 .id = SNOR_ID(0x9d, 0x60, 0x15),
  85                 .name = "is25lp016d",
  86                 .size = SZ_2M,
  87                 .no_sfdp_flags = SECT_4K | SPI_NOR_DUAL_READ | SPI_NOR_QUAD_READ,
  88         }, {
  89                 .id = SNOR_ID(0x9d, 0x60, 0x16),
  90                 .name = "is25lp032",
  91                 .size = SZ_4M,
  92                 .no_sfdp_flags = SECT_4K | SPI_NOR_DUAL_READ,
  93         }, {
  94                 .id = SNOR_ID(0x9d, 0x60, 0x17),
  95                 .name = "is25lp064",
  96                 .size = SZ_8M,
  97                 .no_sfdp_flags = SECT_4K | SPI_NOR_DUAL_READ,
  98         }, {
  99                 .id = SNOR_ID(0x9d, 0x60, 0x18),
 100                 .name = "is25lp128",
 101                 .size = SZ_16M,
 102                 .no_sfdp_flags = SECT_4K | SPI_NOR_DUAL_READ,
 103         }, {
 104                 .id = SNOR_ID(0x9d, 0x60, 0x19),
 105                 .name = "is25lp256",
 106                 .fixups = &is25lp256_fixups,
 107                 .fixup_flags = SPI_NOR_4B_OPCODES,
 108         }, {
 109                 .id = SNOR_ID(0x9d, 0x70, 0x16),
 110                 .name = "is25wp032",
 111                 .size = SZ_4M,
 112                 .no_sfdp_flags = SECT_4K | SPI_NOR_DUAL_READ | SPI_NOR_QUAD_READ,
 113         }, {
 114                 .id = SNOR_ID(0x9d, 0x70, 0x17),
 115                 .size = SZ_8M,
 116                 .name = "is25wp064",
 117                 .no_sfdp_flags = SECT_4K | SPI_NOR_DUAL_READ | SPI_NOR_QUAD_READ,
 118         }, {
 119                 .id = SNOR_ID(0x9d, 0x70, 0x18),
 120                 .name = "is25wp128",
 121                 .size = SZ_16M,
 122                 .no_sfdp_flags = SECT_4K | SPI_NOR_DUAL_READ | SPI_NOR_QUAD_READ,
 123         }, {
 124                 .id = SNOR_ID(0x9d, 0x70, 0x19),
 125                 .name = "is25wp256",
 126                 .flags = SPI_NOR_QUAD_PP,
 127                 .fixups = &is25lp256_fixups,
 128                 .fixup_flags = SPI_NOR_4B_OPCODES,
 129         }
 130 };
 131
 132 static void issi_nor_default_init(struct spi_nor *nor)
 133 {
 134         nor->params->quad_enable = spi_nor_sr1_bit6_quad_enable;
 135 }
 136
 137 static const struct spi_nor_fixups issi_fixups = {
 138         .default_init = issi_nor_default_init,
 139 };
 140
 141 const struct spi_nor_manufacturer spi_nor_issi = {
 142         .name = "issi",
 143         .parts = issi_nor_parts,
 144         .nparts = ARRAY_SIZE(issi_nor_parts),
 145         .fixups = &issi_fixups,
 146 };