lkml.org 
[lkml]   [2006]   [Jun]   [29]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
/
Date
From
SubjectRe: [PATCH] (Longhaul 1/5) PCI: Protect bus master DMA from Longhaul by rw semaphores
> Maybe you need to do something with the cache bits in CR0 as well. It
> could be something like that. Hardware can be stuborn. I remember the
> old Winchips (C3 predecessors) hanging when trying to disable caching of
> plain ram via MCR's for instance.
>

I did it like in chapter 10.5.3. Result is exacly the same - processor
stops. If I set NW flag CPU is still going, but I have "exception in
interrupt" message.
I'm starting thinking that this will not work for "Nehemiah" core.

Thanks
Rafał


----------------------------------------------------------------------
PS. Fajny portal... >>> http://link.interia.pl/f196a
-
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@vger.kernel.org
More majordomo info at http://vger.kernel.org/majordomo-info.html
Please read the FAQ at http://www.tux.org/lkml/

\
 
 \ /
  Last update: 2006-06-29 20:56    [from the cache]
©2003-2011 Jasper Spaans