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i.MX28 eMMC boot

Question asked by Matteo Fabiani on Sep 24, 2013



I have a i.MX28 custom board and I'm trying to boot the linux kernel on an eMMC card connected to the ssp0 interface of the i.MX287.


I set in ltib the "mfg firmware profile" and I set the kernel command line as follow:

     console=ttyAM0,115200 rdinit=/linuxrc rw gpmi


I have copied the in the profile directory of MFGTool and I have started to program my board.


MFGTool crashes and the console displays the message:

mmcblk0: unable to set block size to 512: -110

mmcblk: probe of mmc0:0001 failed with error -22

ln: /etc/mtab: File exists

disable turn off display

uuc 0.4 [built Jul  6 2012 14:40:37]

UTP: Waiting for device to appear

utp_mk_devnode: creating node '/dev/utp' with 10+222

cpu_id is 28

g_file_storage gadget: high speed config #1

UTP: received command 'mknod bloutp_exec: exit with status -22


class = 'block'

item = 'mmcblk0'

node = /dev/mmcblk0

type = block

UTP: running utp_mk_devnode(block,mmcblk0,/dev/mmcblk0,0x6000)

UTP: sending Non-success




Do you have any suggestions?? (I attach the complete console message).





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