Problem booting L4 on Sheevaplug

Julian Vetter Julian.Vetter at campus.tu-berlin.de
Tue Nov 8 11:40:35 CET 2011


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Hello Everybody,
its me again =) I have a problem booting L4 on the Sheevaplug. I have
built L4re, Fiasco and also L4Linux for arm platform and built an
uimage by calling

"make image E=L4Linux-arm BOOTSTRAP_DO_UIMAGE=y
SUPPORT_CC_armkirkwood=y
MODULE_SEARCH_PATH=/opt/arm/fiasco:/opt/src/l4/conf/examples:/opt/arm/l4linux:/tmp"

Everything worked fine. Than I copied the image to my usb stick and
tried to boot it on the Sheevaplug with UBoot. I got the following output:

Marvell>> usb start
Marvell>> fatload usb 0:1 0x00800000 /bootstrap_l4linux-arm.uimage

Marvell>> bootm 0x00800000
## Booting image at 00800000 ...
   Image Name:   L4 Image #11
   Created:      2011-11-08  10:20:15 UTC
   Image Type:   ARM Linux Kernel Image (uncompressed)
   Data Size:    8028328 Bytes =  7.7 MB
   Load Address: 01000000
   Entry Point:  01000000
   Verifying Checksum ... OK
OK

Starting kernel ...


And then nothing happens after that. I also tried the simple
'Hello'-Example without L4Linux, and it also didn't work. Or at least
I get nothing to see...

I think the problem is the serial console. But how can I tell L4 that
the output should be send to this same console? (I'm connected to the
Sheevaplug via MiniUsb->Usb 'screen /dev/ttyUSB0 115200').

I hope someone can help me.

Thanks in advance.

Cheers,
Julian
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