macronix.c

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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"
 
/* MX25xx-specific commands */
#define CMD_MX25XX_WREN         0x06    /* Write Enable */
#define CMD_MX25XX_WRDI         0x04    /* Write Disable */
#define CMD_MX25XX_RDSR         0x05    /* Read Status Register */
#define CMD_MX25XX_WRSR         0x01    /* Write Status Register */
#define CMD_MX25XX_READ         0x03    /* Read Data Bytes */
#define CMD_MX25XX_FAST_READ    0x0b    /* Read Data Bytes at Higher Speed */
#define CMD_MX25XX_PP           0x02    /* Page Program */
#define CMD_MX25XX_SE           0x20    /* Sector Erase */
#define CMD_MX25XX_BE           0xD8    /* Block Erase */
#define CMD_MX25XX_CE           0xc7    /* Chip Erase */
#define CMD_MX25XX_DP           0xb9    /* Deep Power-down */
#define CMD_MX25XX_RES          0xab    /* Release from DP, and Read Signature */
 
#define MACRONIX_SR_WIP         (1 << 0)        /* Write-in-Progress */
 
static const struct spi_flash_part_id flash_table[] = {
        {
                /* MX25L8005 */
                .id[0] = 0x2014,
                .nr_sectors_shift = 8,
        },
        {
                /* MX25L1605D */
                .id[0] = 0x2015,
                .nr_sectors_shift = 9,
        },
        {
                /* MX25L3205D */
                .id[0] = 0x2016,
                .nr_sectors_shift = 10,
        },
        {
                /* MX25L6405D */
                .id[0] = 0x2017,
                .nr_sectors_shift = 11,
        },
        {
                /* MX25L12805D */
                .id[0] = 0x2018,
                .nr_sectors_shift = 12,
        },
        {
                /* MX25L25635F */
                .id[0] = 0x2019,
                .nr_sectors_shift = 13,
        },
        {
                /* MX66L51235F */
                .id[0] = 0x201a,
                .nr_sectors_shift = 14,
        },
        {
                /* MX25L1635D */
                .id[0] = 0x2415,
                .nr_sectors_shift = 9,
        },
        /*
         * NOTE: C225xx JEDEC IDs are basically useless because Macronix keeps
         * reusing the same IDs for vastly different chips. 35E versions always
         * seem to support Dual I/O but not Dual Output, while 35F versions seem
         * to support both, so we only set Dual I/O here to improve our chances
         * of compatibility. Since Macronix makes it impossible to search all
         * different parts that it recklessly assigned the same IDs to, it's
         * hard to know if there may be parts that don't even support Dual I/O
         * with these IDs, though (or what we should do if there are).
         */
        {
                /* MX25L1635E */
                .id[0] = 0x2515,
                .nr_sectors_shift = 9,
                .fast_read_dual_io_support = 1,
        },
        {
                /* MX25U8032E */
                .id[0] = 0x2534,
                .nr_sectors_shift = 8,
                .fast_read_dual_io_support = 1,
        },
        {
                /* MX25U1635E/MX25U1635F */
                .id[0] = 0x2535,
                .nr_sectors_shift = 9,
                .fast_read_dual_io_support = 1,
        },
        {
                /* MX25U3235E/MX25U3235F */
                .id[0] = 0x2536,
                .nr_sectors_shift = 10,
                .fast_read_dual_io_support = 1,
        },
        {
                /* MX25U6435E/MX25U6435F */
                .id[0] = 0x2537,
                .nr_sectors_shift = 11,
                .fast_read_dual_io_support = 1,
        },
        {
                /* MX25U12835F */
                .id[0] = 0x2538,
                .nr_sectors_shift = 12,
                .fast_read_dual_io_support = 1,
        },
        {
                /* MX25U25635F */
                .id[0] = 0x2539,
                .nr_sectors_shift = 13,
                .fast_read_dual_io_support = 1,
        },
        {
                /* MX25U51235F */
                .id[0] = 0x253a,
                .nr_sectors_shift = 14,
                .fast_read_dual_io_support = 1,
        },
        {
                /* MX25L12855E */
                .id[0] = 0x2618,
                .nr_sectors_shift = 12,
                .fast_read_dual_io_support = 1,
        },
        {
                /* MX25L3235D/MX25L3225D/MX25L3236D/MX25L3237D */
                .id[0] = 0x5e16,
                .nr_sectors_shift = 10,
                .fast_read_dual_io_support = 1,
        },
        {
                /* MX25L6495F */
                .id[0] = 0x9517,
                .nr_sectors_shift = 11,
        },
};
 
const struct spi_flash_vendor_info spi_flash_macronix_vi = {
        .id = VENDOR_ID_MACRONIX,
        .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,
};