1 /* SPDX-License-Identifier: GPL-2.0-or-later */
3 #include <commonlib/helpers.h>
5 #include <spi-generic.h>
7 #include "spi_flash_internal.h"
9 /* A25L-specific commands */
10 #define CMD_A25_WREN 0x06 /* Write Enable */
11 #define CMD_A25_WRDI 0x04 /* Write Disable */
12 #define CMD_A25_RDSR 0x05 /* Read Status Register */
13 #define CMD_A25_WRSR 0x01 /* Write Status Register */
14 #define CMD_A25_READ 0x03 /* Read Data Bytes */
15 #define CMD_A25_FAST_READ 0x0b /* Read Data Bytes at Higher Speed */
16 #define CMD_A25_PP 0x02 /* Page Program */
17 #define CMD_A25_SE 0x20 /* Sector (4K) Erase */
18 #define CMD_A25_BE 0xd8 /* Block (64K) Erase */
19 #define CMD_A25_CE 0xc7 /* Chip Erase */
20 #define CMD_A25_DP 0xb9 /* Deep Power-down */
21 #define CMD_A25_RES 0xab /* Release from DP, and Read Signature */
23 static const struct spi_flash_part_id flash_table
[] = {
27 .nr_sectors_shift
= 9,
32 .nr_sectors_shift
= 9,
37 .nr_sectors_shift
= 8,
42 .nr_sectors_shift
= 9,
47 .nr_sectors_shift
= 10,
52 .nr_sectors_shift
= 8,
57 .nr_sectors_shift
= 9,
62 .nr_sectors_shift
= 10,
67 .nr_sectors_shift
= 11,
71 const struct spi_flash_vendor_info spi_flash_amic_vi
= {
74 .sector_size_kib_shift
= 2,
75 .match_id_mask
[0] = 0xffff,
77 .nr_part_ids
= ARRAY_SIZE(flash_table
),
78 .desc
= &spi_flash_pp_0x20_sector_desc
,