IBM 440GX, Ocotea...
ebs at ebshome.net
Wed Mar 24 05:31:22 EST 2004
On Tue, Mar 23, 2004 at 12:02:31PM +0100, Wolfgang Grandegger wrote:
> we are currently trying to understand which PPC Linux
> kernel tree is best suited for the IBM 440GX on the
> Ocotea eval board. We would like to support the 405GP
> and 440GP as well.
> The Ocotea 440GX board seems to be supported in the
> "linuxppc_2_4_devel" tree. Is this board configuration
> up-to-date and still maintained?
unlikely. linuxpp_2_4_devel is officialy "dead" tree :).
> A more up-to-date implementation seems to be in the
> "linuxppc-2.4" tree. Are there some open issues or known
New UIC mode isn't supported yet.
Work on GigE support is still not finished yet.
> I realized that the L2 cache has been disabled
> $ cat arch/ppc/platforms/ocotea.c
> /* Disable L2-Cache due to hardware issues */
> Does this mean that the L2 cache is unusable on current
> revisions of the chip? [That's why we would like to use
> this chip.]
Yes, we found problems with current chip revisions (A & B).
Ask your IBM contact for more information.
> Does this tree support the 405GP and 440GP as well?
> anybody make some comments on the stability? We currently
> use the "linuxppc_2_4_devel" tree for these processors
> with little problems.
I'm using linuxppc-2.4 as of 2.4.21 in production for 440GP,
440GX, 405GPr, 405EP based hardware.
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