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Re: i8259.c in big endian

To: James Simmons <>
Subject: Re: i8259.c in big endian
From: Ralf Baechle <>
Date: Thu, 8 Nov 2001 12:41:19 -0800
Cc: Atsushi Nemoto <>,,
In-reply-to: <>; from on Thu, Nov 08, 2001 at 12:20:20PM -0800
References: <> <>
User-agent: Mutt/1.2.5i
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.


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