Re: [ptxdist] Compilation for ARM926ej-s --> S3c2451

[Carlos Leyva Guerrero <carlos.leyva@idener.es>]

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Buenas Guillermo,

- I used OSELAS arm-v5te pre-build toolchain (ubuntu repositories).
- I got two working kernels (one using friendly arm 4.4.3 toolchain and the
other with the CodeSourcery 2009q3).
- With those two kernels, I also got a fully working rootfs (burned into
nand using superboot) and i get the system up & ready, but:
    - with FA - I cannot compile udev, the used glibc version for such
toolchain seems lower than 2.10, so I get errors compiling udev ('accept4'
related).
    - with CS 2009q3 - everything alright but, the specific version of
binutils used for compiling the toolchain is not publicly available (I
suppose it was a custom build from CodeSourcery) so I cannot use the exact
same binutil version (not a big problem but..)
    - with the prebuild arm5vte oselas version, after burning to the board,
the kernel get extracted and then .. no output, system hang.
- I also used kernel from FA as source, but some modifications were done,
i.e (remove initramfs, removed cpio file, ...)

- I am currently testing the system with newer CodeSourcery version
(2013.11-33), but i have the same 'problem', custom binutils build.


You mentioned that you built a customized arm-v5te toolchain (well you don
exactly say so, but given I got no good results with the default
configuration, I will suppose that), Did you add/remove any specific FLAG
for the toolchain compilation (besides mtune)?

Regarding the barebox, I am pretty interested. I was planning also to try
it but I have no more available hours in the day, ;). Please keep me up
with you progress and let me know if you need anything.





On 3 December 2014 at 11:02, Guillermo Rodriguez Garcia <
guille.rodriguez@gmail.com> wrote:

> Buenos días Carlos,
>
> 2014-12-03 10:25 GMT+01:00 Carlos Leyva Guerrero <carlos.leyva@idener.es>:
> > Hi,
> >
> > I'm currently trying to adapt mini2440 platform to mini2451(by
> FriendlyARM).
> > Leaving the topic of the bootloader a side, I currently have something
> > functional with Ptxdist 2014.10.0.
> >
> > I am able to compile everything well using the toolchain provided by
> > Friendly ARM (old glibc -> no current udev support), the one provided by
> > CodeSourcery (Sourcery G++ Lite 2009q3-67) or OSELAS.Toolchain.2013.12.2
> > (armv5t).
> >
> > The rootfs generated works well despite the used toolchain. Nevertheless
> the
> > generated zImage doesn't boot in the board when using the OSELAS
> toolchain.
> > Has anyone had a similar problem or can figure what its happening here?
>
> I also did some work a few weeks ago to add support for the Mini2451
> in ptxdist. Had to put this in standby due to some high priority stuff
> coming in but I had already done the following:
>
> - Build a working OSELAS arm-v5te toolchain
> - Build a working kernel (not using DT) with ptxdist and the above
> toolchain. I adapted the mach-mini2451 file from the kernel supplied
> by FriendlyARM
> - Boot from SD (using FA's superboot) and install my kernel to NAND
> - Boot my kernel from NAND and mount the rootfs over NFS
> - First steps for a working barebox port
>
> What is exactly the problem you are facing when trying to boot your image?
>
> Guillermo
>

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