tiny4412普通开发板，制作sd卡，无法在minicom里输入命令，字符也输入不进去，按回车也没有效果。
以下是日志，帮忙分析一下，十分感谢。
Wirte 4/5block-group
Reserved blocks for jounaling : 4102
Start write addr : 0x355390
Erase inode table(4) - 0x3553a0..............
Partition: fwbl1, File: /images/Android/E4412_N.bl1.bin
Partition1: Start Address(0x2000), Size(0xe6b000)
reading /images/Android/E4412_N.bl1.bin
Failed to read /images/Android/E4412_N.bl1.bin
[ERROR]: [fwbl1] image updating failed...
Partition: bl2, File: /images/Android/bl2.bin
Partition1: Start Address(0x2000), Size(0xe6b000)
reading /images/Android/bl2.bin
Failed to read /images/Android/bl2.bin
[ERROR]: [bl2] image updating failed...
Partition: bootloader, File: /images/Android/u-boot.bin
Partition1: Start Address(0x2000), Size(0xe6b000)
reading /images/Android/u-boot.bin
Failed to read /images/Android/u-boot.bin
[ERROR]: [bootloader] image updating failed...
Partition: tzsw, File: /images/Android/E4412_tzsw.bin
Partition1: Start Address(0x2000), Size(0xe6b000)
reading /images/Android/E4412_tzsw.bin
Failed to read /images/Android/E4412_tzsw.bin
[ERROR]: [tzsw] image updating failed...
Partition: kernel, File: /images/Android/zImage
Partition1: Start Address(0x2000), Size(0xe6b000)
reading /images/Android/zImage
Failed to read /images/Android/zImage
[ERROR]: [kernel] image updating failed...
Partition: ramdisk, File: /images/Android/ramdisk-u.img
Partition1: Start Address(0x2000), Size(0xe6b000)
reading /images/Android/ramdisk-u.img
Failed to read /images/Android/ramdisk-u.img
[ERROR]: [ramdisk] image updating failed...
Partition: system, File: /images/Android/system.img
Partition1: Start Address(0x2000), Size(0xe6b000)
reading /images/Android/system.img
Failed to read /images/Android/system.img
update ok!!
#TINY4412
