[U-Boot] Hangs up after transferring control to kernel

[eliad lubovsky]

On Thu, Nov 13, 2008 at 4:52 PM, Kumar Gala <galak at kernel.crashing.org>wrote:

>
> On Nov 13, 2008, at 1:36 PM, eliad lubovsky wrote:
>
>
>>
>> On Wed, Nov 12, 2008 at 8:14 PM, Kumar Gala <galak at kernel.crashing.org>
>> wrote:
>>
>> On Nov 12, 2008, at 5:48 PM, eliad lubovsky wrote:
>>
>> I am trying to boot kernel 2.6.23 on an MPC8572DS board.
>> It hangs on a bootm command after decompressing the kernel and the rootfs.
>> I
>> added some printings to u-boot where I can see that it transfers control
>> to
>> the kernel (can be seen in the attached file).
>>
>> What could be the problem?
>>
>> Where did you get a kernel for 8572 that is based on 2.6.23?
>>
>>  The kernel is from the ltib environment installed from Freescale BSP.
>>
>
> you should than use the u-boot from ltib.  There ltib kernel is NOT
> expected to work w/the open source u-boot.
>

Found the problem, by mistake the RAM was limited to 255M with the
environment variable "mem":

setenv bootargs mem=255M

It seems that the kernel uses address 256M for memory cam mappings.
Thanks,
-Eliad.


> - k
>