From: Adrian Cox <adrian@humboldt.co.uk>
To: "Hager, Johannes, HRD/AB" <johannes.hager@eads.com>
Cc: "PPC Linux Mailing List (E-Mail)" <linuxppc-embedded@lists.linuxppc.org>
Subject: Re: No L2 Cache on PReP Machine
Date: Thu, 19 Aug 2004 09:56:00 +0100 [thread overview]
Message-ID: <1092905760.10314.71.camel@localhost> (raw)
In-Reply-To: <2D9AB865A49FD511914700105A0EF679016C49C0@morse.smart.lfk.eads.net>
On Thu, 2004-08-19 at 08:43, Hager, Johannes, HRD/AB wrote:
> I am usign Linux on the Motorola MVME3604 Board. This Board complies to the
> PReP standard. So I configured the linux machine type to
> "CHRP/PowerMac/PReP".
> The kernel starts without showing any errors, but the problem is, that the
> L2 cache of the board is not recognized by the kernel. Does the linux not
> support L2 caches on PReP machines or is it another problem?
Generally Linux expects the boot firmware to set up the L2 and L3 caches
on PowerPC machines. Are you quite sure (from benchmark timings) that
the L2 cache is not working? The MVME3604 has an L2 cache outside the
processor, and it should work transparently.
- Adrian Cox
Humboldt Solutions Ltd
** Sent via the linuxppc-embedded mail list. See http://lists.linuxppc.org/
next prev parent reply other threads:[~2004-08-19 8:56 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2004-08-19 7:43 No L2 Cache on PReP Machine Hager, Johannes, HRD/AB
2004-08-19 8:56 ` Adrian Cox [this message]
-- strict thread matches above, loose matches on Subject: below --
2004-08-19 9:04 Hager, Johannes, HRD/AB
2004-08-19 9:44 ` Adrian Cox
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