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Re: Toshiba JMR 3927 working setup?

To: Atsushi Nemoto <>
Subject: Re: Toshiba JMR 3927 working setup?
From: Ralf Baechle <>
Date: Mon, 7 Jan 2008 12:21:56 +0000
In-reply-to: <>
Original-recipient: rfc822;
References: <> <> <> <>
User-agent: Mutt/1.5.17 (2007-11-01)
On Sat, Jan 05, 2008 at 11:42:56PM +0900, Atsushi Nemoto wrote:

> > Our 2.4.12 kernel uses -mcpu=r3000 -mips1 to build the kernel. I tried 
> > switching the arch to r3000 from r3900 in, but that did not 
> > help. Perhaps -mips1 or an equivalent could help? I will try on Monday.
> I think both mcpu=r3000 and r3900 should work.  But I believe at least
> one kernel patch is required for all MIPS I platforms including JMR3927.

Well, is mmiowb() needed at all on JMR3927 - or R3000 in general?  Mmiowb()
is meant to deal with weak ordering which only matters to a few SMP


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