Скорее всего вы правы. При проверке emms через 4 секунды выдаётся ошибка: BROM ERROR: S_DA_SDMMC_WRITE_FAILED(1349)
В файле отчёте следующее: ============ Memory Detection Report ===========
Internal RAM:
Size = 0x00020000 (128KB)
External RAM:
Type = DRAM
Size = 0x40000000 (1024MB/8192Mb)
NAND Flash:
ERROR: NAND Flash was not detected!
EMMC:
EMMC_PART_BOOT1 Size = 0x0000000000200000(2MB)
EMMC_PART_BOOT2 Size = 0x0000000000200000(2MB)
EMMC_PART_RPMB Size = 0x0000000000020000(0MB)
EMMC_PART_GP1 Size = 0x0000000000000000(0MB)
EMMC_PART_GP2 Size = 0x0000000000000000(0MB)
EMMC_PART_GP3 Size = 0x0000000000000000(0MB)
EMMC_PART_GP4 Size = 0x0000000000000000(0MB)
EMMC_PART_USER Size = 0x00000001d5400000(7508MB)
============ EMMC Test ============