/* SPDX-License-Identifier: GPL-2.0-or-later */ #include <commonlib/helpers.h> #include <spi_flash.h> #include <spi-generic.h> #include "spi_flash_internal.h" /* M25Pxx-specific commands */ #define CMD_AT25_WREN 0x06 /* Write Enable */ #define CMD_AT25_WRDI 0x04 /* Write Disable */ #define CMD_AT25_RDSR 0x05 /* Read Status Register */ #define CMD_AT25_WRSR 0x01 /* Write Status Register */ #define CMD_AT25_READ 0x03 /* Read Data Bytes */ #define CMD_AT25_FAST_READ 0x0b /* Read Data Bytes at Higher Speed */ #define CMD_AT25_PP 0x02 /* Page Program */ #define CMD_AT25_SE 0x20 /* Sector (4K) Erase */ #define CMD_AT25_BE 0xd8 /* Block (64K) Erase */ #define CMD_AT25_CE 0xc7 /* Chip Erase */ #define CMD_AT25_DP 0xb9 /* Deep Power-down */ #define CMD_AT25_RES 0xab /* Release from DP, and Read Signature */ static const struct spi_flash_part_id flash_table[] = { { /* AT25X16 */ .id[0] = 0x3015, .nr_sectors_shift = 9, }, { /* AT25DF32 */ .id[0] = 0x47, .nr_sectors_shift = 10, }, { /* AT25X64 */ .id[0] = 0x3017, .nr_sectors_shift = 11, }, { /* AT25Q16 */ .id[0] = 0x4015, .nr_sectors_shift = 9, }, { /* AT25Q32 */ .id[0] = 0x4016, .nr_sectors_shift = 10, }, { /* AT25Q64 */ .id[0] = 0x4017, .nr_sectors_shift = 11, }, { /* AT25Q128 */ .id[0] = 0x4018, .nr_sectors_shift = 12, }, }; const struct spi_flash_vendor_info spi_flash_atmel_vi = { .id = VENDOR_ID_ATMEL, .page_size_shift = 8, .sector_size_kib_shift = 2, .match_id_mask[0] = 0xffff, .ids = flash_table, .nr_part_ids = ARRAY_SIZE(flash_table), .desc = &spi_flash_pp_0x20_sector_desc, };