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

To: James Simmons <>
Subject: Re: [Linux-mips-kernel]Re: i8259.c in big endian
From: Jun Sun <>
Date: Fri, 09 Nov 2001 10:30:45 -0800
Cc: Ralf Baechle <>, Atsushi Nemoto <>,,
References: <>
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) ?


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