finally can read , but what is this error , data crc error??
Code:
Loading eMMC Addon Firmware...
CMD Pullup Level:886 mV
CMD Active Level:2825 mV
EMMC CID 15010056545530304D0076AB7F92306B
EMMC CSD D02701320F5903FFF6DBFFFF8E40406D
EMMC Manufactorer ID: 15
EMMC OEM ID: 0100
EMMC Date: 03/1997 FW rev.0x0 HW rev.0x0
EMMC Serial #: 1990950802
EMMC NAME: VTU00M
EMMC Capacity: 15028 MB (High Density Card)
Switching EMMC partition...
Reading 20000000 bytes from 00000000 ...ROM2
Data CRC Error !!!