On Mar 8, 2008, at 2:19 AM, Rafal Jaworowski wrote:
Marcel Moolenaar wrote:
marcel 2008-03-08 05:36:25 UTC
FreeBSD src repository
Modified files:
sys/powerpc/booke machdep.c
Log:
Enable the D-cache and I-cache when not already enabled.
It so happens that U-Boot disables the D-cache when booting
an ELF image, so this change makes sure we run with the
D-cache enabled from now on. It shows too...
Thanks for hooking this up, Marcel; it was [far] on my list too :)
I just wanted my kernel builds to be faster :-)
BTW: currently U-Boot is broken for most of PPC variations
(including 85xx) in
the following way: d-cache is not being flushed before disabling and
strange
things happen as you imagine. For a quick workaround apply something
like this
when using ELF images:
http://people.freebsd.org/~raj/patches/misc/uboot-dcache-workaround.diff
Yup. That's what we do at Juniper. I don't see any bad effects other
than having to invalidate the cache before (re-)enabling it so I don't
have that patch applied myself...
The problem I'm having with U-Boot is with the TSEC driver as you've
seen on the U-Boot mailing list. I have one MPC8555CDS sitting idle
after the U-Boot upgrade because I can't netboot :-/
--
Marcel Moolenaar
[EMAIL PROTECTED]
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