command bootu to start kernel

Belisko Marek marek.belisko at gmail.com
Fri Oct 29 04:20:46 EDT 2010


On Fri, Oct 29, 2010 at 10:04 AM, Marc Reilly <marc at cpdesign.com.au> wrote:
> Hi,
>
> I have no experience with the mini2440, but:
>
> On Friday, October 29, 2010 06:49:52 pm Belisko Marek wrote:
>> On Fri, Oct 29, 2010 at 8:08 AM, Belisko Marek <marek.belisko at gmail.com>
>> >> me at host$ file arch/arm/boot/uImage
>> >> arch/arm/boot/uImage: u-boot legacy uImage,
>> >> Linux-2.6.31-00770-g54c3fe6-dir, Linux/ARM, OS Kernel Image (Not
>> >> compressed), 2350016 bytes, Mon Oct 25 16:58:30 2010, Load Address:
>> >> 0x40008000, Entry Point: 0x40008000, Header CRC: 0x17A7330B, Data CRC:
>> >> 0x888DAA63
>> >>
>> >> Anything wrong with the uImage (built with "make uImage") or the
>> >> command 'bootm'?
>
> The load and entry point are 0x400...  here
This post was from Juergen where bootm doesn't work. You're maybe
right wrong load address
is there. For s3c shoudl be 0x30008000 like for working example below.
>
>> >
>> > Instead bootm for my uImage works:
>> > bootm uImage
>> >   Verifying Checksum ... OK
>> >   Image Name:   Linux-2.6.32-rc8
>> >   Created:      2010-09-27   8:36:01 UTC
>> >   Image Type:   ARM Linux Kernel Image (uncompressed)
>> >   Data Size:    2058404 Bytes =  2 MB
>> >   Load Address: 30008000
>> >   Entry Point:  30008000
>> > OK
>
> and 0x300.. here
>
>
> I've no idea how your RAM is mapped, but verify that it is being loaded to the
> correct address. (also check that it's not overlapping your barebox, malloc or
> stack)
>
>> > commandline: console=ttySAC0,115200
>> > arch_number: 1999
>> >
>> > Starting kernel ...
>>
>> Despite of loading kernel is working kernel isn't started for
>> mini2440(from u-boot works fine). It hang at:
>> Uncompressing
>> Linux.....................................................................
>> ............................................................. done, booting
>> the kernel.
>
> Also enable low level debugging and the earlyprintk in your kernel - maybe the
> kernel is running but crashes before it gets ti initializing the console.
I have 2.6.32 kernel but early_printk isn't available and I enable
lowlevel debugging but
don't get nothing else on console. Anyway thanks.
>
>
> Cheers
> Marc
>
>
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>

marek

-- 
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-------------------------------------------------
Marek Belisko - OPEN-NANDRA
Freelance Developer

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