[ELDK] Is there any tip on porting Linux to MPC832x with ELDK ?

Wolfgang Denk wd at denx.de
Wed Jan 6 02:22:17 CET 2010


Dear "Gao Ya'nan",

In message <d15e5cf91001051525k48591287sf01dab9cefa91f7 at mail.gmail.com> you wrote:
>
> > You are not supposed to use the ppc_6xx packages on a non-FPU system;
> > these packages are explicitly made for processors _with_ a FPU. This
> > is documented in the manual, section "3.4. Supported Target
> > Architectures" at
> > http://www.denx.de/wiki/DULG/ELDKSupportedTargetArchitectures
> 
> Yes, I know that ppc_6xx packages come without "soft-float" options,
> but MPC8321E is special, and not mentioned in this section.

Well,it has no FPU, so it should be clear that 6xx is the wrong
choice.

> > For your processor you should use the ppc_8xx packages instead.
>
> E300 is compatible with MPC8xx forked from 601 core. And I think it will be OK.

Believe me: ppc_8xx is the best choice for this CPU.

> But I really think that I'll lost something, perhaps a little
> performance or others.

Can't parse this.  What do you mean?

Best regards,

Wolfgang Denk

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