// SPDX-License-Identifier: GPL-2.0
/*
 * Author:
 *	Chuanhong Guo <gch981213@gmail.com>
 */

#include "spinand.h"
#include "common.h"

#define SPINAND_MFR_DOSILICON     0XE5

extern int spinand_disable_ecc(struct spinand_device * spinand);
extern int spinand_select_target(struct spinand_device *spinand, unsigned int target);

static int dosilicon_check_ecc(unsigned char val)
{
    if ((val & (1 << 5)) != 0 && (val & (1 << 4)) == 0)
        return 1;
    else
        return 0;
}

static const struct spinand_info dosilicon_spinand_table[] = {
    SPINAND_INFO("DS35M12C-IBR",
                 SPINAND_ID(SPINAND_READID_METHOD_OPCODE_ADDR, 0x25),
                 NAND_MEMORG(1, 2048, 128, 64, 512, 10, 1, 1, 1),
                 NAND_ECCREQ(8, 512, 1)),
};

static int dosilicon_spinand_init(struct spinand_device *spinand)
{
    struct nand_device *nand = spinand_to_nand(spinand);
    unsigned int i = 0;

    for (i = 0; i < nand->memorg.ntargets; i++) {
        spinand_select_target(spinand, i);
        /* Special initialization of Vendor */
        
        /* Enable ECC */
        spinand_disable_ecc(spinand);
    }

    return 0;
}

static const struct spinand_manufacturer_ops dosilicon_spinand_manuf_ops = {
    .init = dosilicon_spinand_init,
    .check_ecc = dosilicon_check_ecc,
};

const struct spinand_manufacturer dosilicon_spinand_manufacturer = {
    .id = SPINAND_MFR_DOSILICON,
    .name = "DOSILICON",
    .chips = dosilicon_spinand_table,
    .nchips = ARRAY_SIZE(dosilicon_spinand_table),
    .ops = &dosilicon_spinand_manuf_ops,
};