создание ubifs в buildroot

UBI: attaching mtd1 to ubi0
UBI: physical eraseblock size:   131072 bytes (128 KiB)
UBI: logical eraseblock size:    126976 bytes
UBI: smallest flash I/O unit:    2048
UBI: VID header offset:          2048 (aligned 2048)
UBI: data offset:                4096
UBI: attached mtd1 to ubi0
UBI: MTD device name:            "gpmi-nfc-general-use"
UBI: MTD device size:            236 MiB
UBI: number of good PEBs:        1888
UBI: number of bad PEBs:         0
UBI: max. allowed volumes:       128
UBI: wear-leveling threshold:    4096
UBI: number of internal volumes: 1
UBI: number of user volumes:     1
UBI: available PEBs:             0
UBI: total number of reserved PEBs: 1888
UBI: number of PEBs reserved for bad PEB handling: 18
UBI: max/mean erase counter: 1/0
UBI: image sequence number: 1206036082
UBI: background thread "ubi_bgt0d" started, PID 644

# ubiformat /dev/mtd6
# ubiattach -p /dev/mtd6
# ubimkvol /dev/ubi0 -N filesystem -s 50MiB
# ubiupdatevol /dev/ubi0_0 /rootfs.ubifs
# mount -t ubifs ubi0:filesystem /mnt

static enum nand_ecc_engine_type
of_get_rawnand_ecc_engine_type_legacy(struct device_node *np)
{
        enum nand_ecc_legacy_mode {
                NAND_ECC_INVALID,
                NAND_ECC_NONE,
                NAND_ECC_SOFT,
                NAND_ECC_SOFT_BCH,
                NAND_ECC_HW, 
                NAND_ECC_HW_SYNDROME,
                NAND_ECC_ON_DIE,
        };
        const char * const nand_ecc_legacy_modes[] = {
                [NAND_ECC_NONE]         = "none",
                [NAND_ECC_SOFT]         = "soft",
                [NAND_ECC_SOFT_BCH]     = "soft_bch",
                [NAND_ECC_HW]           = "hw",
                [NAND_ECC_HW_SYNDROME]  = "hw_syndrome",
                [NAND_ECC_ON_DIE]       = "on-die",
        };
        enum nand_ecc_legacy_mode eng_type;
        const char *pm;
        int err;

        err = of_property_read_string(np, "nand-ecc-mode", &pm);
        pr_emerg("!!!!!!!!!!!!err is %d, properti is: %s\n", err, pm);
        if (err)
                return NAND_ECC_ENGINE_TYPE_NONE;
                /*return NAND_ECC_ENGINE_TYPE_INVALID;*/

        printk(KERN_EMERG "properties is: %s\n", pm);
        for (eng_type = NAND_ECC_NONE;
             eng_type < ARRAY_SIZE(nand_ecc_legacy_modes); eng_type++) {
                if (!strcasecmp(pm, nand_ecc_legacy_modes[eng_type])) {
                        switch (eng_type) {
                        case NAND_ECC_NONE:
                                return NAND_ECC_ENGINE_TYPE_NONE;
                        case NAND_ECC_SOFT:
                        case NAND_ECC_SOFT_BCH:
                                return NAND_ECC_ENGINE_TYPE_SOFT;
                        case NAND_ECC_HW:
                        case NAND_ECC_HW_SYNDROME:
                                return NAND_ECC_ENGINE_TYPE_ON_HOST;
                        case NAND_ECC_ON_DIE:
                                return NAND_ECC_ENGINE_TYPE_ON_DIE;
                        default:
                                break;
                        }
                }
        }

diff -Naur uboot-2017.11_orig/drivers/mtd/nand/nand_base.c uboot-2017.11/drivers/mtd/nand/nand_base.c
--- uboot-2017.11_orig/drivers/mtd/nand/nand_base.c	2021-08-05 17:50:55.136923003 +0300
+++ uboot-2017.11/drivers/mtd/nand/nand_base.c	2021-08-06 14:10:22.395612680 +0300
@@ -3440,7 +3440,7 @@
 			mtd->oobsize = 448;
 			break;
 		case 3:
-			mtd->oobsize = 64;
+			mtd->oobsize = 128;
 			break;
 		case 4:
 			mtd->oobsize = 32;
@@ -3467,8 +3467,7 @@
 		mtd->writesize = 1024 << (extid & 0x03);
 		extid >>= 2;
 		/* Calc oobsize */
-		mtd->oobsize = (8 << (extid & 0x01)) *
-			(mtd->writesize >> 9);
+		mtd->oobsize = 128;
 		extid >>= 2;
 		/* Calc blocksize. Blocksize is multiples of 64KiB */
 		mtd->erasesize = (64 * 1024) << (extid & 0x03);
@@ -3488,7 +3487,7 @@
 				nand_is_slc(chip) &&
 				(id_data[5] & 0x7) == 0x6 /* 24nm */ &&
 				!(id_data[4] & 0x80) /* !BENAND */) {
-			mtd->oobsize = 32 * mtd->writesize >> 9;
+			mtd->oobsize = 128;
 		}
 
 	}

diff -Naur '--exclude=*.swp' uboot-2017.11_orig/include/configs/mx28evk.h uboot-2017.11/include/configs/mx28evk.h
--- uboot-2017.11_orig/include/configs/mx28evk.h        2021-08-05 17:50:55.188923037 +0300
+++ uboot-2017.11/include/configs/mx28evk.h     2021-08-11 17:30:03.768568293 +0300
@@ -12,6 +12,8 @@
 #define __CONFIGS_MX28EVK_H__

 /* System configurations */
+/*#define CONFIG_POST*/
+#define CONFIG_SYS_NAND_ONFI_DETECTION
 #define CONFIG_MX28                            /* i.MX28 SoC */
 #define CONFIG_MACH_TYPE       MACH_TYPE_MX28EVK