gigadevice.c

Go to the documentation of this file.

/* 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"
 
/* GD25Pxx-specific commands */
#define CMD_GD25_WREN           0x06    /* Write Enable */
#define CMD_GD25_WRDI           0x04    /* Write Disable */
#define CMD_GD25_RDSR           0x05    /* Read Status Register */
#define CMD_GD25_WRSR           0x01    /* Write Status Register */
#define CMD_GD25_READ           0x03    /* Read Data Bytes */
#define CMD_GD25_FAST_READ      0x0b    /* Read Data Bytes at Higher Speed */
#define CMD_GD25_PP             0x02    /* Page Program */
#define CMD_GD25_SE             0x20    /* Sector (4K) Erase */
#define CMD_GD25_BE             0xd8    /* Block (64K) Erase */
#define CMD_GD25_CE             0xc7    /* Chip Erase */
#define CMD_GD25_DP             0xb9    /* Deep Power-down */
#define CMD_GD25_RES            0xab    /* Release from DP, and Read Signature */
 
static const struct spi_flash_part_id flash_table[] = {
        {
                /* GD25T80 */
                .id[0]                          = 0x3114,
                .nr_sectors_shift               = 8,
        },
        {
                /* GD25Q80 */
                .id[0]                          = 0x4014,
                .nr_sectors_shift               = 8,
                .fast_read_dual_output_support  = 1,
                .fast_read_dual_io_support      = 1,
        },                                      /* also GD25Q80B */
        {
                /* GD25Q16 */
                .id[0]                          = 0x4015,
                .nr_sectors_shift               = 9,
                .fast_read_dual_output_support  = 1,
                .fast_read_dual_io_support      = 1,
        },                                      /* also GD25Q16B */
        {
                /* GD25Q32B */
                .id[0]                          = 0x4016,
                .nr_sectors_shift               = 10,
                .fast_read_dual_output_support  = 1,
                .fast_read_dual_io_support      = 1,
        },                                      /* also GD25Q32B */
        {
                /* GD25Q64 */
                .id[0]                          = 0x4017,
                .nr_sectors_shift               = 11,
                .fast_read_dual_output_support  = 1,
                .fast_read_dual_io_support      = 1,
        },                                      /* also GD25Q64B, GD25B64C */
        {
                /* GD25Q128 */
                .id[0]                          = 0x4018,
                .nr_sectors_shift               = 12,
                .fast_read_dual_output_support  = 1,
                .fast_read_dual_io_support      = 1,
        },                                      /* also GD25Q128B */
        {
                /* GD25VQ80C */
                .id[0]                          = 0x4214,
                .nr_sectors_shift               = 8,
                .fast_read_dual_output_support  = 1,
                .fast_read_dual_io_support      = 1,
        },
        {
                /* GD25VQ16C */
                .id[0]                          = 0x4215,
                .nr_sectors_shift               = 9,
                .fast_read_dual_output_support  = 1,
                .fast_read_dual_io_support      = 1,
        },
        {
                /* GD25LQ80 */
                .id[0]                          = 0x6014,
                .nr_sectors_shift               = 8,
                .fast_read_dual_output_support  = 1,
                .fast_read_dual_io_support      = 1,
        },
        {
                /* GD25LQ16 */
                .id[0]                          = 0x6015,
                .nr_sectors_shift               = 9,
                .fast_read_dual_output_support  = 1,
                .fast_read_dual_io_support      = 1,
        },
        {
                /* GD25LQ32 */
                .id[0]                          = 0x6016,
                .nr_sectors_shift               = 10,
                .fast_read_dual_output_support  = 1,
                .fast_read_dual_io_support      = 1,
        },
        {
                /* GD25LQ64C */
                .id[0]                          = 0x6017,
                .nr_sectors_shift               = 11,
                .fast_read_dual_output_support  = 1,
                .fast_read_dual_io_support      = 1,
        },                                      /* also GD25LB64C */
        {
                /* GD25LQ128 */
                .id[0]                          = 0x6018,
                .nr_sectors_shift               = 12,
                .fast_read_dual_output_support  = 1,
                .fast_read_dual_io_support      = 1,
        },
};
 
const struct spi_flash_vendor_info spi_flash_gigadevice_vi = {
        .id = VENDOR_ID_GIGADEVICE,
        .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,
};