Hi Girish,
Does the sound work with the 3.12 kernel? It was broken for some
in between 3 kernel versions.
regards
--amit
On Mon, Jul 21, 2014 at 5:06 PM, Girish Desai <[email protected]> wrote:
> Hi Dave, Juergen,
> Sorry for the delay in response.
>
> Yes.. I just changed the config file. but I still could not make out why
> the configuration related to mini2440 was not applied when the kernel was
> un-'tar'ed and proceeded to build with the normal procedure... might by my
> mistake that I did not save the changes to .config file or some thing other
> that i'm not able to recollect. Ultimately what I found when I compared
> the kernelconfig-3.12 with other config files such as
> kernelconfig-3.11/3.10 etc is, there was too much difference.. variables
> such as CONFIG_EMBEDDED=y were not set in kernelconfig-3.12.. so just
> thought to try by copying kernelconfig-3.11 to kernelconfig-3.12 and added
> Juergen's suggested changes to avoid loading of debug kernel symbols.. and
> finally I got the kernel with size around 1.8MB and even ran a touch screen
> test 'ts_test' where the box was responding to touch.
>
> ================================== kernel booting
> ==============================================
> Hit any key to stop autoboot: 1
> phy0: Link is up - 100/Full
> TFTP from server 10.0.0.100 ('uImage-mini2440' -> '/dev/ram0.kernel')
> #################################################################
> #################################################################
> #################################################################
> #################################################################
> #################################################################
> #######################################
> booting kernel of type uimage from /dev/ram0.kernel
> Verifying Checksum ... OK
> Image Name: Linux-3.12.18-ptx-master
> Created: 2014-07-20 18:55:56 UTC
> Image Type: <NULL> <NULL> <NULL> (<NULL>)
> Data Size: 1865760 Bytes = 1.8 MB
> Load Address: 30008000
> Entry Point: 30008000
> OK
> ## Transferring control to Linux (at address 0x30008000) ...
> commandline: console=ttySAC0,115200 mini2440=5tbc ip=10.0.0.101:10
> .0.0.100:10.0.0.100:255.255.255.0::: root=/dev/nfs
> nfsroot=/home/girish/Frie)
> arch_number: 1999
>
> Starting kernel ...
>
> ## Transferring control to Linux (at address 0x30008000) ...
>
>
> ===================================================================================
>
> Apart from the above mentioned, I have followed the normal procedure as
> mentioned in the document
> "OSELAS.BSP-Pengutronix-Generic-arm-Quickstart.pdf".
>
> Sorry that I haven't yet documented the procedure as there were so many
> things I tried and have not noted the sequence.. What I'll do is, I'll do
> every thing from scratch that is mentioned in the above said document, and
> confirm regarding the configuration file changes I mentioned above.. I
> think if there should be any difference, that is the only thing.. but I'll
> confirm the steps and document if there are any thing extra has to be done.
> Is that fine?
>
> one more thing, I copied the patches required for 3.12 and applied before
> changing the config file.
>
> Thanks,
> Girish
>
>
>
> On Mon, Jul 21, 2014 at 1:12 PM, Juergen Borleis <[email protected]>
> wrote:
>
>> Hi Girish,
>>
>> On Sunday 20 July 2014 22:09:23 Girish Desai wrote:
>> > Got 3.12 kernel up and running.. looks there was some mess-up with the
>> > kernelconfig-3.12 file.. might be my mistake... sorry for that.. and
>> thanks
>> > for your time.. and the kernel size after eliminating loading debug
>> symbols
>> > is around 1.8MB.
>>
>> 1.8 MiB sounds more reasonable (compared to my experience).
>>
>> Happy hacking,
>> Juergen
>>
>> --
>> Pengutronix e.K. | Juergen Borleis
>> |
>> Industrial Linux Solutions |
>> http://www.pengutronix.de/ |
>>
>
>
