u0_a97@QUANTUM_400_Lite:/ $ cat /proc/dumchar_info
Part_Name Size StartAddr Type MapTopreloader 0x0000000000880000 0x0000000000000000 2 /dev/misc-sd
mbr 0x0000000000080000 0x0000000000000000 2 /dev/block/mmcblk0
ebr1 0x0000000000080000 0x0000000000080000 2 /dev/block/mmcblk0p1
pro_info 0x0000000000300000 0x0000000000100000 2 /dev/block/mmcblk0
nvram 0x0000000000500000 0x0000000000400000 2 /dev/block/mmcblk0
protect_f 0x0000000000a00000 0x0000000000900000 2 /dev/block/mmcblk0p2
protect_s 0x0000000000a00000 0x0000000001300000 2 /dev/block/mmcblk0p3
seccfg 0x0000000000020000 0x0000000001d00000 2 /dev/block/mmcblk0
uboot 0x0000000000060000 0x0000000001d20000 2 /dev/block/mmcblk0
bootimg 0x0000000000600000 0x0000000001d80000 2 /dev/block/mmcblk0
recovery 0x0000000000600000 0x0000000002380000 2 /dev/block/mmcblk0
sec_ro 0x0000000000040000 0x0000000002980000 2 /dev/block/mmcblk0
misc 0x0000000000080000 0x00000000029c0000 2 /dev/block/mmcblk0
logo 0x0000000000300000 0x0000000002a40000 2 /dev/block/mmcblk0
expdb 0x0000000000a00000 0x0000000002d40000 2 /dev/block/mmcblk0
android 0x0000000032000000 0x0000000003740000 2 /dev/block/mmcblk0p4
cache 0x000000000e200000 0x0000000035740000 2 /dev/block/mmcblk0p5
usrdata 0x0000000052c00000 0x0000000043940000 2 /dev/block/mmcblk0p6
fat 0x00000000511c0000 0x0000000096540000 2 /dev/block/mmcblk0p7
bmtpool 0x0000000001500000 0x00000000ff7700a8 2 /dev/block/mmcblk0
Part_Name:Partition name you should open;
Size:size of partition
StartAddr:Start Address of partition;
Type:Type of partition(MTD=1,EMMC=2)
MapTo:actual device you operate
u0_a97@QUANTUM_400_Lite:/ $