From: Ralf Baechle <ralf@oss.sgi.com>
To: James Simmons <jsimmons@transvirtual.com>
Cc: Atsushi Nemoto <nemoto@toshiba-tops.co.jp>,
linux-mips@oss.sgi.com, linux-mips-kernel@lists.sourceforge.net
Subject: Re: i8259.c in big endian
Date: Thu, 8 Nov 2001 12:41:19 -0800 [thread overview]
Message-ID: <20011108124119.B26083@dea.linux-mips.net> (raw)
In-Reply-To: <Pine.LNX.4.10.10111081217220.13456-100000@transvirtual.com>; from jsimmons@transvirtual.com on Thu, Nov 08, 2001 at 12:20:20PM -0800
On Thu, Nov 08, 2001 at 12:20:20PM -0800, James Simmons wrote:
> > > which has a i8259 chip but its io is offseted by 0xb0000000.
> >
> > Then it's almost certainly an legacy ISA device with it's ports in ISA space,
> > so set mips_io_port_base to an apropriate value or does that not work for
> > you?
>
> The mips_io_port_base is 0xa0000000. Whereas the i8259 chip is at
> 0xb0000000. The 0xa000000 value could be wrong. I will give it a try.
As your board must have RAM at physical address zero 0xa0000000 is almost
certainly a wrong value.
Ralf
next prev parent reply other threads:[~2001-11-08 20:42 UTC|newest]
Thread overview: 17+ messages / expand[flat|nested] mbox.gz Atom feed top
2001-11-08 6:47 i8259.c in big endian Atsushi Nemoto
2001-11-08 17:45 ` James Simmons
2001-11-08 20:13 ` Ralf Baechle
2001-11-08 20:20 ` James Simmons
2001-11-08 20:41 ` Ralf Baechle [this message]
2001-11-08 21:37 ` James Simmons
2001-11-08 21:53 ` [Linux-mips-kernel]Re: " James Simmons
2001-11-09 18:30 ` Jun Sun
2001-11-09 18:44 ` James Simmons
2001-11-09 19:44 ` Jim Paris
2001-11-09 20:50 ` Jun Sun
2001-11-12 12:15 ` Ralf Baechle
2001-11-12 18:31 ` Jun Sun
2001-11-12 19:56 ` Florian Laws
2001-11-12 23:56 ` Ralf Baechle
2001-11-12 21:49 ` James Simmons
2001-11-09 17:41 ` Ralf Baechle
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