| /* 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_M25PXX_WREN 0x06 /* Write Enable */ |
| #define CMD_M25PXX_WRDI 0x04 /* Write Disable */ |
| #define CMD_M25PXX_RDSR 0x05 /* Read Status Register */ |
| #define CMD_M25PXX_WRSR 0x01 /* Write Status Register */ |
| #define CMD_M25PXX_READ 0x03 /* Read Data Bytes */ |
| #define CMD_M25PXX_FAST_READ 0x0b /* Read Data Bytes at Higher Speed */ |
| #define CMD_M25PXX_PP 0x02 /* Page Program */ |
| #define CMD_M25PXX_SSE 0x20 /* Subsector Erase */ |
| #define CMD_M25PXX_SE 0xd8 /* Sector Erase */ |
| #define CMD_M25PXX_BE 0xc7 /* Bulk Erase */ |
| #define CMD_M25PXX_DP 0xb9 /* Deep Power-down */ |
| #define CMD_M25PXX_RES 0xab /* Release from DP, and Read Signature */ |
| |
| /* |
| * Device ID = (memory_type << 8) + memory_capacity |
| */ |
| #define STM_ID_M25P10 0x2011 |
| #define STM_ID_M25P20 0x2012 |
| #define STM_ID_M25P40 0x2013 |
| #define STM_ID_M25P80 0x2014 |
| #define STM_ID_M25P16 0x2015 |
| #define STM_ID_M25P32 0x2016 |
| #define STM_ID_M25P64 0x2017 |
| #define STM_ID_M25P128 0x2018 |
| #define STM_ID_M25PX80 0x7114 |
| #define STM_ID_M25PX16 0x7115 |
| #define STM_ID_M25PX32 0x7116 |
| #define STM_ID_M25PX64 0x7117 |
| #define STM_ID_M25PE80 0x8014 |
| #define STM_ID_M25PE16 0x8015 |
| #define STM_ID_M25PE32 0x8016 |
| #define STM_ID_M25PE64 0x8017 |
| #define STM_ID_N25Q016__3E 0xba15 |
| #define STM_ID_N25Q032__3E 0xba16 |
| #define STM_ID_N25Q064__3E 0xba17 |
| #define STM_ID_N25Q128__3E 0xba18 |
| #define STM_ID_N25Q256__3E 0xba19 |
| #define STM_ID_N25Q016__1E 0xbb15 |
| #define STM_ID_N25Q032__1E 0xbb16 |
| #define STM_ID_N25Q064__1E 0xbb17 |
| #define STM_ID_N25Q128__1E 0xbb18 |
| #define STM_ID_N25Q256__1E 0xbb19 |
| |
| static const struct spi_flash_part_id flash_table_se32k[] = { |
| { |
| /* M25P10 */ |
| .id[0] = STM_ID_M25P10, |
| .nr_sectors_shift = 2, |
| }, |
| }; |
| |
| static const struct spi_flash_part_id flash_table_se64k[] = { |
| { |
| /* M25P16 */ |
| .id[0] = STM_ID_M25P16, |
| .nr_sectors_shift = 5, |
| }, |
| { |
| /* M25P20 */ |
| .id[0] = STM_ID_M25P20, |
| .nr_sectors_shift = 2, |
| }, |
| { |
| /* M25P32 */ |
| .id[0] = STM_ID_M25P32, |
| .nr_sectors_shift = 6, |
| }, |
| { |
| /* M25P40 */ |
| .id[0] = STM_ID_M25P40, |
| .nr_sectors_shift = 3, |
| }, |
| { |
| /* M25P64 */ |
| .id[0] = STM_ID_M25P64, |
| .nr_sectors_shift = 7, |
| }, |
| { |
| /* M25P80 */ |
| .id[0] = STM_ID_M25P80, |
| .nr_sectors_shift = 4, |
| }, |
| { |
| /* M25PX80 */ |
| .id[0] = STM_ID_M25PX80, |
| .nr_sectors_shift = 4, |
| }, |
| { |
| /* M25PX16 */ |
| .id[0] = STM_ID_M25PX16, |
| .nr_sectors_shift = 5, |
| }, |
| { |
| /* M25PX32 */ |
| .id[0] = STM_ID_M25PX32, |
| .nr_sectors_shift = 6, |
| }, |
| { |
| /* M25PX64 */ |
| .id[0] = STM_ID_M25PX64, |
| .nr_sectors_shift = 7, |
| }, |
| { |
| /* M25PE80 */ |
| .id[0] = STM_ID_M25PE80, |
| .nr_sectors_shift = 4, |
| }, |
| { |
| /* M25PE16 */ |
| .id[0] = STM_ID_M25PE16, |
| .nr_sectors_shift = 5, |
| }, |
| { |
| /* M25PE32 */ |
| .id[0] = STM_ID_M25PE32, |
| .nr_sectors_shift = 6, |
| }, |
| { |
| /* M25PE64 */ |
| .id[0] = STM_ID_M25PE64, |
| .nr_sectors_shift = 7, |
| }, |
| }; |
| |
| static const struct spi_flash_part_id flash_table_se256k[] = { |
| { |
| /* M25P128 */ |
| .id[0] = STM_ID_M25P128, |
| .nr_sectors_shift = 6, |
| }, |
| }; |
| |
| static const struct spi_flash_part_id flash_table_sse[] = { |
| { |
| /* N25Q016..3E */ |
| .id[0] = STM_ID_N25Q016__3E, |
| .nr_sectors_shift = 9, |
| }, |
| { |
| /* N25Q032..3E */ |
| .id[0] = STM_ID_N25Q032__3E, |
| .nr_sectors_shift = 10, |
| }, |
| { |
| /* N25Q064..3E */ |
| .id[0] = STM_ID_N25Q064__3E, |
| .nr_sectors_shift = 11, |
| }, |
| { |
| /* N25Q128..3E */ |
| .id[0] = STM_ID_N25Q128__3E, |
| .nr_sectors_shift = 12, |
| }, |
| { |
| /* N25Q256..3E */ |
| .id[0] = STM_ID_N25Q256__3E, |
| .nr_sectors_shift = 13, |
| }, |
| { |
| /* N25Q016..1E */ |
| .id[0] = STM_ID_N25Q016__1E, |
| .nr_sectors_shift = 9, |
| }, |
| { |
| /* N25Q032..1E */ |
| .id[0] = STM_ID_N25Q032__1E, |
| .nr_sectors_shift = 10, |
| }, |
| { |
| /* N25Q064..1E */ |
| .id[0] = STM_ID_N25Q064__1E, |
| .nr_sectors_shift = 11, |
| }, |
| { |
| /* N25Q128..1E */ |
| .id[0] = STM_ID_N25Q128__1E, |
| .nr_sectors_shift = 12, |
| }, |
| { |
| /* N25Q256..1E */ |
| .id[0] = STM_ID_N25Q256__1E, |
| .nr_sectors_shift = 13, |
| }, |
| }; |
| |
| int stmicro_release_deep_sleep_identify(const struct spi_slave *spi, u8 *idcode) |
| { |
| if (spi_flash_cmd(spi, CMD_M25PXX_RES, idcode, 4)) |
| return -1; |
| |
| /* Assuming ST parts identify with 0x1X to release from deep |
| power down and read electronic signature. */ |
| if ((idcode[3] & 0xf0) != 0x10) |
| return -1; |
| |
| /* Fix up the idcode to mimic rdid jedec instruction. */ |
| idcode[0] = 0x20; |
| idcode[1] = 0x20; |
| idcode[2] = idcode[3] + 1; |
| |
| return 0; |
| } |
| |
| const struct spi_flash_vendor_info spi_flash_stmicro1_vi = { |
| .id = VENDOR_ID_STMICRO, |
| .page_size_shift = 8, |
| .sector_size_kib_shift = 5, |
| .match_id_mask[0] = 0xffff, |
| .ids = flash_table_se32k, |
| .nr_part_ids = ARRAY_SIZE(flash_table_se32k), |
| .desc = &spi_flash_pp_0xd8_sector_desc, |
| }; |
| |
| const struct spi_flash_vendor_info spi_flash_stmicro2_vi = { |
| .id = VENDOR_ID_STMICRO, |
| .page_size_shift = 8, |
| .sector_size_kib_shift = 6, |
| .match_id_mask[0] = 0xffff, |
| .ids = flash_table_se64k, |
| .nr_part_ids = ARRAY_SIZE(flash_table_se64k), |
| .desc = &spi_flash_pp_0xd8_sector_desc, |
| }; |
| |
| const struct spi_flash_vendor_info spi_flash_stmicro3_vi = { |
| .id = VENDOR_ID_STMICRO, |
| .page_size_shift = 8, |
| .sector_size_kib_shift = 8, |
| .match_id_mask[0] = 0xffff, |
| .ids = flash_table_se256k, |
| .nr_part_ids = ARRAY_SIZE(flash_table_se256k), |
| .desc = &spi_flash_pp_0xd8_sector_desc, |
| }; |
| |
| const struct spi_flash_vendor_info spi_flash_stmicro4_vi = { |
| .id = VENDOR_ID_STMICRO, |
| .page_size_shift = 8, |
| .sector_size_kib_shift = 2, |
| .match_id_mask[0] = 0xffff, |
| .ids = flash_table_sse, |
| .nr_part_ids = ARRAY_SIZE(flash_table_sse), |
| .desc = &spi_flash_pp_0x20_sector_desc, |
| }; |