Android not booting on DevKit8000

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1

I"m trying to load android on the DevKit8000 according to the
directions on the
CD.

I made a FAT32 and ext3 partition according to Apendix 2. One caveat,
I used
the DevKit8000 SD card reader to format and partition my SD card.

I use the following bootargs and bootcmd:

setenv bootcmd "mmcinit;fatload mmc 0:1 0x80300000 uImage_7;bootm
0x80300000"
saveenv

setenv bootargs console=ttyS2,115200n8 noinitrd root=/dev/mmcblk0p2
video=omapfb:mode:7inch_LCD init=/init rootfstype=ext3 rw
rootdelay=1
androidboot.console=ttyS2
saveenv

OMAP3 DevKit8000 # boot
reading uImage_7

1877816 bytes read
## Booting kernel from Legacy Image at 80300000 ...
   Image Name: Linux-2.6.27-omap1-svn281-dirty4
   Image Type: ARM Linux Kernel Image (uncompressed)
   Data Size: 1877752 Bytes = 1.8 MB
   Load Address: 80008000
   Entry Point: 80008000
   Verifying Checksum ... OK
   Loading Kernel Image ... OK
OK

Starting kernel ...

Uncompressing
Linux.........................................................................................................................
done, booting the kernel.

2

It worked for me and seen the android demo but I followed exactly the
steps in the doc.
I guess you need to put into the SD the MLO and u-boot as they are
specified
for the 7" LCD.
I do not know wat they do into these but I already asked embest (no
response yet)
in the relevant forum to give us the modified x-load and u-boot
sources that
being used as they are not into the board support package.

Christos

3

Verify your uImage . Check whether kernel configured for devkit8000 board.

regards
Mangesh

megawatts wrote:

4

Please let me know the bootcmd and bootargs you used to get the 7 inch
lcd running for the Android demo.

5

Please let me know the bootcmd and bootargs you used to get the
android demo working for the 7 inch screen.

6

megawatts
That is why I told you to follow the doc.
I did not go t into u-boot in order to boot the Android so no args
given there.

I loaded a SD card with the MLO and the u-boot for the Android and 7"
LCD,
from linux\demo\android
and of course the relevant uImage (4.3" or 7") into the FAT partition,
then the RFS to the ext3 partition, booted the board by pressed
the user button to boot from SD and not from flash.
It booted ok and viewed onto the 7" LCD.

Now you understand why I told you that embest has modified the x-load
(MLO) and
the u-boot (separate versions for 4.3" and 7") and not provided the
code for
these although I asked them for it. Their modified u-boot knows how to
boot
directly with the proper args into their Android image.
( I didnt check though if u-boot can be interrupted and view the
environment variables )

Christos

7

Ok thank you, I got it working. Follow the doc exactly and everything
should work OK. Now on to the next step, and I hope to get the source
code from the DevKit8000 team.

8

directly with the proper args into their Android image.
( I didnt check though if u-boot can be interrupted and view the
environment variables )

Isn't the kernel command line printed in the log when the kernel boots?

9

Op 30 jul 2009, om 09:17 heeft Vladimir Pantelic het volgende geschreven:

directly with the proper args into their Android image.
( I didnt check though if u-boot can be interrupted and view the
environment variables )

Isn't the kernel command line printed in the log when the kernel boots?

Or stored in /proc/cmdline?

10

This is what I got in Android from DK8K

# cd /proc
# cat cmdline
console=ttyS2,115200n8 noinitrd root=/dev/mmcblk0p2 init=/init
rootdelay=1 video=omapfb:mode:7inch_LCD

11

So it seems they patched dss2 to add a special mode.

regards,

Koen

12

I am facing the similar problem what you faced in booting the demo image. Can you tell how you got it working.
what bootagrs and bootcmd you used.
which image should be copied in sdcard.

Regards
sivakumar