src/drivers/spi/amic.c

   1 /*
   2  * This file is part of the coreboot project.
   3  *
   4  * This program is free software; you can redistribute it and/or
   5  * modify it under the terms of the GNU General Public License as
   6  * published by the Free Software Foundation; either version 2 of
   7  * the License, or (at your option) any later version.
   8  *
   9  * This program is distributed in the hope that it will be useful,
  10  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  11  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  12  * GNU General Public License for more details.
  13  */
  14
  15 #include <console/console.h>
  16 #include <commonlib/helpers.h>
  17 #include <spi_flash.h>
  18 #include <spi-generic.h>
  19 #include <string.h>
  20
  21 #include "spi_flash_internal.h"
  22
  23 /* A25L-specific commands */
  24 #define CMD_A25_WREN            0x06    /* Write Enable */
  25 #define CMD_A25_WRDI            0x04    /* Write Disable */
  26 #define CMD_A25_RDSR            0x05    /* Read Status Register */
  27 #define CMD_A25_WRSR            0x01    /* Write Status Register */
  28 #define CMD_A25_READ            0x03    /* Read Data Bytes */
  29 #define CMD_A25_FAST_READ       0x0b    /* Read Data Bytes at Higher Speed */
  30 #define CMD_A25_PP              0x02    /* Page Program */
  31 #define CMD_A25_SE              0x20    /* Sector (4K) Erase */
  32 #define CMD_A25_BE              0xd8    /* Block (64K) Erase */
  33 #define CMD_A25_CE              0xc7    /* Chip Erase */
  34 #define CMD_A25_DP              0xb9    /* Deep Power-down */
  35 #define CMD_A25_RES             0xab    /* Release from DP, and Read Signature */
  36
  37 static const struct spi_flash_part_id flash_table[] = {
  38         {
  39                 /* A25L16PU */
  40                 .id[0]                  = 0x2015,
  41                 .nr_sectors_shift       = 9,
  42         },
  43         {
  44                 /* A25L16PT */
  45                 .id[0]                  = 0x2025,
  46                 .nr_sectors_shift       = 9,
  47         },
  48         {
  49                 /* A25L080 */
  50                 .id[0]                  = 0x3014,
  51                 .nr_sectors_shift       = 8,
  52         },
  53         {
  54                 /* A25L016 */
  55                 .id[0]                  = 0x3015,
  56                 .nr_sectors_shift       = 9,
  57         },
  58         {
  59                 /* A25L032 */
  60                 .id[0]                  = 0x3016,
  61                 .nr_sectors_shift       = 10,
  62         },
  63         {
  64                 /* A25LQ080 */
  65                 .id[0]                  = 0x4014,
  66                 .nr_sectors_shift       = 8,
  67         },
  68         {
  69                 /* A25LQ16 */
  70                 .id[0]                  = 0x4015,
  71                 .nr_sectors_shift       = 9,
  72         },
  73         {
  74                 /* A25LQ032 */
  75                 .id[0]                  = 0x4016,
  76                 .nr_sectors_shift       = 10,
  77         },
  78         {
  79                 /* A25LQ64 */
  80                 .id[0]                  = 0x4017,
  81                 .nr_sectors_shift       = 11,
  82         },
  83 };
  84
  85 const struct spi_flash_vendor_info spi_flash_amic_vi = {
  86         .id = VENDOR_ID_AMIC,
  87         .page_size_shift = 8,
  88         .sector_size_kib_shift = 2,
  89         .match_id_mask[0] = 0xffff,
  90         .ids = flash_table,
  91         .nr_part_ids = ARRAY_SIZE(flash_table),
  92         .desc = &spi_flash_pp_0x20_sector_desc,
  93 };