How to boot from mmc1, I just done like "boot to flash and open xterm and become root and run the following command:
chroot /mnt/initfs cal-tool –set-root-device ask:flash
Instead of flash, you can also set the default boot image to be mmcX"but in memu just with flash/mmc2(non)/shut down ,I want get the memu like use install-tools,how to?