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/* 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,
};
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