How to use the device tree for lite5200

[Kumar Gala]

On Dec 6, 2006, at 9:59 AM, Wolfgang Grandegger wrote:

> Hello,
>
> I want to boot PowerPC Linux 2.6.19 on my Icecube board but I didn't
> succeed yet to get lite5200.dts compiled and an appropriate image  
> created:
>
>    $ dtc -b0 lite5200.dts
>    DTC: dts->dts  on file "lite5200.dts"
>    ERROR: Missing /chosen node
>    Input tree has errors
>
> What is the procedure to make and boot an uImage for the U-Boot
> bootloader. I read about the third argument for bootm but did not
> understand how to use it.

How have you booted in the past?  Do you tftp down the images or run  
from flash?

Here's an example assuming you have a kernel image at address  
$loadaddr and the dtb at $ftaddr

dtc -b0 -Idts -Odtb -V16 lite5200.dts > lite5200.dtb

download lite5200.dtb to the system

=> bootm $loadaddr - $fdtaddr

- k