src/drivers/spi/stmicro.c

   1 /* SPDX-License-Identifier: GPL-2.0-or-later */
   2
   3 #include <commonlib/helpers.h>
   4 #include <spi_flash.h>
   5 #include <spi-generic.h>
   6
   7 #include "spi_flash_internal.h"
   8
   9 /* M25Pxx-specific commands */
  10 #define CMD_M25PXX_WREN         0x06    /* Write Enable */
  11 #define CMD_M25PXX_WRDI         0x04    /* Write Disable */
  12 #define CMD_M25PXX_RDSR         0x05    /* Read Status Register */
  13 #define CMD_M25PXX_WRSR         0x01    /* Write Status Register */
  14 #define CMD_M25PXX_READ         0x03    /* Read Data Bytes */
  15 #define CMD_M25PXX_FAST_READ    0x0b    /* Read Data Bytes at Higher Speed */
  16 #define CMD_M25PXX_PP           0x02    /* Page Program */
  17 #define CMD_M25PXX_SSE          0x20    /* Subsector Erase */
  18 #define CMD_M25PXX_SE           0xd8    /* Sector Erase */
  19 #define CMD_M25PXX_BE           0xc7    /* Bulk Erase */
  20 #define CMD_M25PXX_DP           0xb9    /* Deep Power-down */
  21 #define CMD_M25PXX_RES          0xab    /* Release from DP, and Read Signature */
  22
  23 /*
  24  * Device ID = (memory_type << 8) + memory_capacity
  25  */
  26 #define STM_ID_M25P10           0x2011
  27 #define STM_ID_M25P20           0x2012
  28 #define STM_ID_M25P40           0x2013
  29 #define STM_ID_M25P80           0x2014
  30 #define STM_ID_M25P16           0x2015
  31 #define STM_ID_M25P32           0x2016
  32 #define STM_ID_M25P64           0x2017
  33 #define STM_ID_M25P128          0x2018
  34 #define STM_ID_M25PX80          0x7114
  35 #define STM_ID_M25PX16          0x7115
  36 #define STM_ID_M25PX32          0x7116
  37 #define STM_ID_M25PX64          0x7117
  38 #define STM_ID_M25PE80          0x8014
  39 #define STM_ID_M25PE16          0x8015
  40 #define STM_ID_M25PE32          0x8016
  41 #define STM_ID_M25PE64          0x8017
  42 #define STM_ID_N25Q016__3E      0xba15
  43 #define STM_ID_N25Q032__3E      0xba16
  44 #define STM_ID_N25Q064__3E      0xba17
  45 #define STM_ID_N25Q128__3E      0xba18
  46 #define STM_ID_N25Q256__3E      0xba19
  47 #define STM_ID_N25Q016__1E      0xbb15
  48 #define STM_ID_N25Q032__1E      0xbb16
  49 #define STM_ID_N25Q064__1E      0xbb17
  50 #define STM_ID_N25Q128__1E      0xbb18
  51 #define STM_ID_N25Q256__1E      0xbb19
  52
  53 static const struct spi_flash_part_id flash_table_se32k[] = {
  54         {
  55                 /* M25P10 */
  56                 .id[0] = STM_ID_M25P10,
  57                 .nr_sectors_shift = 2,
  58         },
  59 };
  60
  61 static const struct spi_flash_part_id flash_table_se64k[] = {
  62         {
  63                 /* M25P16 */
  64                 .id[0] = STM_ID_M25P16,
  65                 .nr_sectors_shift = 5,
  66         },
  67         {
  68                 /* M25P20 */
  69                 .id[0] = STM_ID_M25P20,
  70                 .nr_sectors_shift = 2,
  71         },
  72         {
  73                 /* M25P32 */
  74                 .id[0] = STM_ID_M25P32,
  75                 .nr_sectors_shift = 6,
  76         },
  77         {
  78                 /* M25P40 */
  79                 .id[0] = STM_ID_M25P40,
  80                 .nr_sectors_shift = 3,
  81         },
  82         {
  83                 /* M25P64 */
  84                 .id[0] = STM_ID_M25P64,
  85                 .nr_sectors_shift = 7,
  86         },
  87         {
  88                 /* M25P80 */
  89                 .id[0] = STM_ID_M25P80,
  90                 .nr_sectors_shift = 4,
  91         },
  92         {
  93                 /* M25PX80 */
  94                 .id[0] = STM_ID_M25PX80,
  95                 .nr_sectors_shift = 4,
  96         },
  97         {
  98                 /* M25PX16 */
  99                 .id[0] = STM_ID_M25PX16,
 100                 .nr_sectors_shift = 5,
 101         },
 102         {
 103                 /* M25PX32 */
 104                 .id[0] = STM_ID_M25PX32,
 105                 .nr_sectors_shift = 6,
 106         },
 107         {
 108                 /* M25PX64 */
 109                 .id[0] = STM_ID_M25PX64,
 110                 .nr_sectors_shift = 7,
 111         },
 112         {
 113                 /* M25PE80 */
 114                 .id[0] = STM_ID_M25PE80,
 115                 .nr_sectors_shift = 4,
 116         },
 117         {
 118                 /* M25PE16 */
 119                 .id[0] = STM_ID_M25PE16,
 120                 .nr_sectors_shift = 5,
 121         },
 122         {
 123                 /* M25PE32 */
 124                 .id[0] = STM_ID_M25PE32,
 125                 .nr_sectors_shift = 6,
 126         },
 127         {
 128                 /* M25PE64 */
 129                 .id[0] = STM_ID_M25PE64,
 130                 .nr_sectors_shift = 7,
 131         },
 132 };
 133
 134 static const struct spi_flash_part_id flash_table_se256k[] = {
 135         {
 136                 /* M25P128 */
 137                 .id[0] = STM_ID_M25P128,
 138                 .nr_sectors_shift = 6,
 139         },
 140 };
 141
 142 static const struct spi_flash_part_id flash_table_sse[] = {
 143         {
 144                 /* N25Q016..3E */
 145                 .id[0] = STM_ID_N25Q016__3E,
 146                 .nr_sectors_shift = 9,
 147         },
 148         {
 149                 /* N25Q032..3E */
 150                 .id[0] = STM_ID_N25Q032__3E,
 151                 .nr_sectors_shift = 10,
 152         },
 153         {
 154                 /* N25Q064..3E */
 155                 .id[0] = STM_ID_N25Q064__3E,
 156                 .nr_sectors_shift = 11,
 157         },
 158         {
 159                 /* N25Q128..3E */
 160                 .id[0] = STM_ID_N25Q128__3E,
 161                 .nr_sectors_shift = 12,
 162         },
 163         {
 164                 /* N25Q256..3E */
 165                 .id[0] = STM_ID_N25Q256__3E,
 166                 .nr_sectors_shift = 13,
 167         },
 168         {
 169                 /* N25Q016..1E */
 170                 .id[0] = STM_ID_N25Q016__1E,
 171                 .nr_sectors_shift = 9,
 172         },
 173         {
 174                 /* N25Q032..1E */
 175                 .id[0] = STM_ID_N25Q032__1E,
 176                 .nr_sectors_shift = 10,
 177         },
 178         {
 179                 /* N25Q064..1E */
 180                 .id[0] = STM_ID_N25Q064__1E,
 181                 .nr_sectors_shift = 11,
 182         },
 183         {
 184                 /* N25Q128..1E */
 185                 .id[0] = STM_ID_N25Q128__1E,
 186                 .nr_sectors_shift = 12,
 187         },
 188         {
 189                 /* N25Q256..1E */
 190                 .id[0] = STM_ID_N25Q256__1E,
 191                 .nr_sectors_shift = 13,
 192         },
 193 };
 194
 195 int stmicro_release_deep_sleep_identify(const struct spi_slave *spi, u8 *idcode)
 196 {
 197         if (spi_flash_cmd(spi, CMD_M25PXX_RES, idcode, 4))
 198                 return -1;
 199
 200         /* Assuming ST parts identify with 0x1X to release from deep
 201            power down and read electronic signature. */
 202         if ((idcode[3] & 0xf0) != 0x10)
 203                 return -1;
 204
 205         /* Fix up the idcode to mimic rdid jedec instruction. */
 206         idcode[0] = 0x20;
 207         idcode[1] = 0x20;
 208         idcode[2] = idcode[3] + 1;
 209
 210         return 0;
 211 }
 212
 213 const struct spi_flash_vendor_info spi_flash_stmicro1_vi = {
 214         .id = VENDOR_ID_STMICRO,
 215         .page_size_shift = 8,
 216         .sector_size_kib_shift = 5,
 217         .match_id_mask[0] = 0xffff,
 218         .ids = flash_table_se32k,
 219         .nr_part_ids = ARRAY_SIZE(flash_table_se32k),
 220         .desc = &spi_flash_pp_0xd8_sector_desc,
 221 };
 222
 223 const struct spi_flash_vendor_info spi_flash_stmicro2_vi = {
 224         .id = VENDOR_ID_STMICRO,
 225         .page_size_shift = 8,
 226         .sector_size_kib_shift = 6,
 227         .match_id_mask[0] = 0xffff,
 228         .ids = flash_table_se64k,
 229         .nr_part_ids = ARRAY_SIZE(flash_table_se64k),
 230         .desc = &spi_flash_pp_0xd8_sector_desc,
 231 };
 232
 233 const struct spi_flash_vendor_info spi_flash_stmicro3_vi = {
 234         .id = VENDOR_ID_STMICRO,
 235         .page_size_shift = 8,
 236         .sector_size_kib_shift = 8,
 237         .match_id_mask[0] = 0xffff,
 238         .ids = flash_table_se256k,
 239         .nr_part_ids = ARRAY_SIZE(flash_table_se256k),
 240         .desc = &spi_flash_pp_0xd8_sector_desc,
 241 };
 242
 243 const struct spi_flash_vendor_info spi_flash_stmicro4_vi = {
 244         .id = VENDOR_ID_STMICRO,
 245         .page_size_shift = 8,
 246         .sector_size_kib_shift = 2,
 247         .match_id_mask[0] = 0xffff,
 248         .ids = flash_table_sse,
 249         .nr_part_ids = ARRAY_SIZE(flash_table_sse),
 250         .desc = &spi_flash_pp_0x20_sector_desc,
 251 };