Android SDRAM fail on start boot

[lucasdona]

Hello,

I try write Android in uSD, with DD command on Linux.

Code Select Expand

# dd  if=image_android.img  of=/dev/mmcblk0

but error on boot:

Code Select Expand

HELLO! BOOT0 is starting!                                                                       
boot0 version : 2.0.0
�                                                                         
read dram para.
dram driver version: 1.15
initializing SDRAM Fail.

�HELLO! BOOT0 is starting!
boot0 version : 2.0.0
�
read dram para.
dram driver version: 1.15
initializing SDRAM Fail.

I try write two images bellow this site: https://www.olimex.com/wiki/A20-OLinuXino-MICRO#Android

A20_SD_4G_android_422_TS_USB_UART_I2C_WIFI_LAN_HDMI_LCD_1024x600_release_1
A20_Lime2_Android_4.22_SD_card_LCD_800x480_HDMI_8GB_release_2