用下面的命令烧写
mono ./sfh_OMAP-L138.exe -p /dev/ttyUSB0 -flashType NAND -flash ubl/ubl_OMAPL138_NAND.bin /work/omapl138/u-boot.nand.bin -v
打印如下，一直卡在那里，请问可能是哪里出了问题？
我们用的是根据第三方的评估板做了更改后的设计，换了flash芯片和内存，在原评估板上是可以正常烧写的。
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TI Serial Flasher Host Program for OMAP-L138
(C) 2012, Texas Instruments, Inc.
Ver. 1.67
-----------------------------------------------------
[TYPE] UBL and application image
[UBL] ubl/ubl_OMAPL138_NAND.bin
[APP IMAGE] /work/omapl138/u-boot.nand.bin
[TARGET] OMAPL138
[DEVICE] NAND
[NAND Block] 1
Attempting to connect to device /dev/ttyUSB0...
Press any key to end this program at any time.
(AIS Parse): Read magic word 0x41504954.
(AIS Parse): Waiting for BOOTME... (power on or reset target now)
(AIS Parse): BOOTME received!
(AIS Parse): Performing Start-Word Sync...
(AIS Parse): Performing Ping Opcode Sync...
(AIS Parse): Processing command 0: 0x58535901.
(AIS Parse): Performing Opcode Sync...
(AIS Parse): Loading section...
(AIS Parse): Loaded 14100-Byte section to address 0x80000000.
(AIS Parse): Processing command 1: 0x58535901.
(AIS Parse): Performing Opcode Sync...
(AIS Parse): Loading section...
(AIS Parse): Loaded 1352-Byte section to address 0x80003714.
(AIS Parse): Processing command 2: 0x58535906.
(AIS Parse): Performing Opcode Sync...
(AIS Parse): Performing jump and close...
(AIS Parse): AIS complete. Jump to address 0x80000000.
(AIS Parse): Waiting for DONE...
(AIS Parse): Boot completed successfully.
Waiting for SFT on the OMAP-L138...
Target: BOOTUBL
Target: DONE
Flashing UBL ubl/ubl_OMAPL138_NAND.bin (13040 bytes) at 0x00000000
Target: SENDIMG
Target: BEGIN
100% [ ████████████████████████████████████████████████████████████ ]
Image data transmitted over UART.
