linux-mips
[Top] [All Lists]

Re: [Linux-mips-kernel]Re: i8259.c in big endian

To: James Simmons <jsimmons@transvirtual.com>
Subject: Re: [Linux-mips-kernel]Re: i8259.c in big endian
From: Jun Sun <jsun@mvista.com>
Date: Fri, 09 Nov 2001 10:30:45 -0800
Cc: Ralf Baechle <ralf@oss.sgi.com>, Atsushi Nemoto <nemoto@toshiba-tops.co.jp>, linux-mips@oss.sgi.com, linux-mips-kernel@lists.sourceforge.net
References: <Pine.LNX.4.10.10111081348000.13456-100000@transvirtual.com>
Sender: owner-linux-mips@oss.sgi.com
James Simmons wrote:
> 
> > > > 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.
> >
> > Your right. The address of 0xb000000 is bogus. This is the value from the
> > old code. I will migrate the code over to the i8259.c stuff now. Thanks.
> 
> Actually looking threw other mips branches now I see what the 0xb000000
> is. It is the isa_port_base.
> 

You are probably referring to isa_slot_offset?

isa_slot_offset is an obselete garbage.  Can someone do Ralf's a favor and
send him a patch to get rid of it (as if he can't do it himself :-0) ?

Jun

<Prev in Thread] Current Thread [Next in Thread>