* down pdp0 pdp1 pdp2
* echo on > /sys/devices/platform/s5p-ehci/ehci_runtime
* echo "0" > /sys/devices/platform/s5p-ehci/ehci_power
* nanosleep({0, 500000000}, {0, 500000000 
* echo "1" > /sys/devices/platform/s5p-ehci/ehci_power
* echo "on" > /sys/devices/platform/modemctl/control
* sleep 1 sec
* read /sys/class/net/svnet0/connected (1)
* down iface
* up iface
* bind with no "sa_data"
* recv ATAT (not recvfrom) -> is it send or recv???
* read ack, chip id
* read 61440 bytes from /dev/block/mmcblk0p8 from 0 offset
* send PSI header (4 bytes)
* send PSI data: 61440 bytes
* send CRC (0x20)
* read CRC ack  (0x51 - Q) then 0x92 then 0x0e then 0x00 then # (0x23) the 0x0 then 0x00 then 0x00 then i(0x69) then 0xea then 0x11 then 0x65 … up to 0xff
* 0xff is the ack byte
* read 0x01
* 0x01 is one ack byte
* read x01
* 0x01 is one ack byte
* psi sending is done
* read 2 bytes (0xaa00)
* open /dev/block/mmcblk0p8
* mmap ??? 106496 bytes???
* seek after 61440 bytes on mmcblk0p8
* read 102400 bytes
* Send 102400 bytes
* send len on svnet0 (int)
* read 2 bytes ack (0xcccc)
* send 3 bursts of 32768 and 1 of 4096
* send crc 0xbc
* read crc ack (2 bytes): 0xa551
* done with modem.img
* munmap???
* read bootloader infos
* SetPortConf Command??? 2056 bytes sent
* read ack 8 bytes
* read 2048 bytes???
* open /dev/block/mmcblk0p8
* lseek(34, 10483712, SEEK_SET)     = 10483712
* read 2048 bytes
* close mmcblk
* Execute ReqSecStart Command
* send 16392bytes
* read ack 8 bytes