IBASE MRS-801-RE - Manual (Page 56)

48 MRS-801-RE User Manual
4.1.7 Booting with your SD card
(For advance software users only)
Put SD card in your board and insert special COM port dongle to boot from SD.
Connect a debug cable to debug port with serial port 115200/N/8/1 setting on your
PC’s serial port program such hyperterminal/teraterm. Connect LVDS panel. Power
on and you will see u-boot prompt.
At u-boot prompt, press Enter before time out. Type the following setting to boot from
SD card + LVDS panel:
setenv bootcmd_mmc 'run bootargs_base bootargs_mmc; mmc dev 1; mmc read
${loadaddr} 0x800 0x2000; bootm'
setenv bootargs_mmc 'setenv bootargs ${bootargs} root=/dev/mmcblk1p1 rootwait rw
video=mxcfb0:dev=ldb,IB102-XGA,if=RGB666 ldb=sep0 video=mxcfb1:off video=mxcfb2:off
fbmem=15M rootfstype=ext4'
saveenv
After that, prepare your LCD, power off and power on again.
You can see Ubuntu Linux is running on monitor.