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Re: [ts-7000] Re: New TS-7800 500MHZ ARM9 SBC

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Subject: Re: [ts-7000] Re: New TS-7800 500MHZ ARM9 SBC
From: Christopher Friedt <>
Date: Thu, 05 Jul 2007 16:19:42 +0200
I agree w/ Charlie - excellent work!

I will very likely use this board for some hardware development research
that I'm doing within the next year or so - the EABI and softfloat would
likely be extremely useful for that.


~/Chris

Ronald Gomes wrote:
> Hi,
>
> The Linux 2.6.12 kernel we are using for the first release has the 
> preemptible-kernel and the ARM EABI options.
> We have to meet some deadlines here in the design of the TS-7800 - we only 
> have about one/two more months of development.Therefore we are likely going 
> to stick with the 2.6.12 kernel initially. Although, we may consider newer 
> versions in the future - the fact that support for the MV88F5182 might be 
> added to the mainstream kernel tree would help a lot towards this.
>
> Ronald.
>
>
> charliem_1216 <> escreveu:                             
>      Hi --
>
>  --- In  Ronald Gomes <>
>  wrote:
>  >
>  > Hello,
>  >
>  > The SOC used is the Marvel MV88F5182.
>  > I guess Orion was a beta name - Marvell now uses Feroceon.
>  > Its a Marvell improved version of the ARM926EJ spec.
>  > The kernel used in the first release will be version 2.6.12,
>  patched by Marvell and us to support the hardware.
>  >
>  > Ronald.
>  >
>
>  Really nice looking board guys ...
>
>  But I hope you consider releasing a later kernel; 2.6.12 is over two
>  years old already.  Most of the cool arm stuff is much more recent:
>  HRT, tickless kernel, preempt, EABI (the biggie, appeared in 2.6.18
>  or .19 I believe), etc.  EABI is really needed to get the best FP
>  out of the ARMs with linux.  To put it in perspective, this massive
>  hardware change brings 3X performance, but (for FP users) EABI &
>  softfloat bring 12X performance increase with no HW change.
>
>  There's a group of people porting current linux kernels to the
>  Buffalo LinkStation NAS boxes & clones (also Marvell Orion-1,
>  88F4182(?), with AVR, looks very close to the TS-7800).  They
>  haven't gotten any help from Marvell though ... but most stuff is
>  working I think.  [Even Buffalo shipped a 2.6.16 kernel, and that
>  was last September ...]
>
>  Good news though is that Tzachi Perelstein from Marvell has released
>  patches for basic support of the MV88F5281 (Orion-2) in current
>  upstream kernels, and support for the MV88F5182 (Orion-NAS) is next
>  in the pipeline.
>
>  I see that the 88F5281 has a VFP unit; does the 88F5182 have one
>  too?  I guess not if the chip targets NAS rather than media
>  processing.  And who named these chips anyway?  .... Dyslexics will
>  be lost :)
>
>  Hope this doesn't sound too negative; it's great to see you moving
>  to 2.6.  And you asked for comments .... :)
>
>  Regards, ........ Charlie
>
>
>
>
>
>
> ---------------------------------
> Novo Yahoo! Cadê? - Experimente uma nova busca.



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